Windscreen wiper with multiple wiper arms

Abstract

The utility model relates to the technical field of windscreen wipers, in particular to a windscreen wiper with multiple wiper arms. The utility model provides a windscreen wiper with multiple wiper arms. The windscreen wiper comprises a long wiper blade, a long wiper blade sprayer, a long wiper arm, a short wiper blade, a short wiper blade sprayer, a short wiper arm and a wiper motor, the long wiper blade is connected with the long wiper arm through a fastener; the long wiper blade sprayer is fixed on the long wiper arm and is used for spraying; the short wiping arm is connected with the long wiping arm through a fastener; the short wiper blade is connected with the short wiper arm through a fastener; the short wiper blade sprayer is fixed on the short wiper arm and is used for spraying; wherein a rotating shaft of the wiper motor is connected with the long wiper arm through a fastener and is used for driving the long wiper arm and the short wiper arm to work. According to the windscreen wiper with the multiple wiper arms, it is guaranteed that the view field area of a driver is clean, and meanwhile the installation position of the camera is clean.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of windscreen wiper, more specifically, a kind of multi-arm wiper. BACKGROUND

[0002] With the progress of automatic driving technology and assisted driving system, modern cars are increasingly dependent on various sensors and cameras to achieve accurate environmental perception. These sensors (such as radar, camera, etc.) play a crucial role in the intelligent level of vehicles, especially in advanced driver assistance systems (ADAS), cameras are tasked with providing high-precision visual information.

[0003] However, with the development of technology, the increase in the number of cameras, and various complex factors (such as vibration, wind speed, rain, etc.) during vehicle travel, the installation position and cleaning and maintenance of the camera become crucial. Especially when the camera is installed on the vehicle interior, it may be disturbed by factors such as vehicle vibration and wind direction, causing the relative position of the camera and the windshield to deviate, affecting the clarity of its field of view, and thus affecting the normal operation of the sensor.

[0004] If the camera is directly fixed on the windshield, in this case, the traditional wiper system may not be able to effectively clean the camera area on the windshield, especially during vehicle travel, the area where the camera is located may be covered with rain, dust and other substances, which seriously affects the image quality, and thus affects the accuracy and safety of automatic driving or driving assistance functions.

[0005] Therefore, there is an urgent need for a multi-arm wiper to improve the working efficiency of traditional wipers and improve the safety of vehicle travel. SUMMARY

[0006] The utility model aims at providing a kind of multi-arm wiper, solve the problem that camera area rainwater and dust on windshield cannot be effectively removed.

[0007] The following gives a brief summary of one or more aspects to provide a basic understanding of these aspects. This summary is not an exhaustive overview of all contemplated aspects, and neither is it intended to identify key or critical elements of all aspects nor to delineate the scope of any or all aspects. Its only purpose is to give some concepts of one or more aspects in a simplified form to sequence the more detailed description given later.

[0008] To achieve the above-mentioned purpose, the utility model provides a kind of multi-arm wiper, including: long wiper blade, long wiper blade sprayer, long wiper arm, short wiper blade, short wiper blade sprayer, short wiper arm, wiper motor;

[0009] The long wiper blade is connected with the long wiper arm by fasteners.

[0010] The long wiper blade is fixed on the long wiper arm for spraying;

[0011] The short wiper arm is connected with the long wiper arm by fasteners;

[0012] The short wiper blade is connected with the short wiper arm by fasteners;

[0013] The short wiper blade is fixed on the short wiper arm for spraying;

[0014] The shaft of the wiper motor is connected with the long wiper arm by fasteners, for driving the long wiper arm and the short wiper arm to work.

[0015] In one embodiment, the fasteners include bolts.

[0016] In one embodiment, the long wiper blade includes a long wiper blade carbon steel skeleton and a rubber wiper blade;

[0017] The long wiper blade carbon steel skeleton has a connecting hole for connecting the long wiper blade with the long wiper arm.

[0018] In one embodiment, the long wiper blade sprayer includes a long wiper blade sprayer water pipe joint and not limited to one long wiper blade sprayer nozzle;

[0019] The long wiper blade sprayer water pipe joint is connected with the water supply pipe for providing sufficient water for the long wiper blade sprayer nozzle;

[0020] The long wiper blade sprayer nozzle is connected with the long wiper blade sprayer water pipe joint for spraying water flow at a specific angle.

[0021] In one embodiment, the long wiper arm includes two long wiper arm bodies and a long wiper arm adapter structure;

[0022] The long wiper arm bodies are respectively connected with the long wiper arm adapter structure through fixed points, and the long wiper arm bodies can rotate.

[0023] In one embodiment, the long wiper arm body has not limited to one connecting hole for connecting different components.

[0024] In one embodiment, the short wiper blade includes a short wiper blade carbon steel skeleton and a rubber wiper blade;

[0025] The short wiper blade carbon steel skeleton has a connecting hole for connecting the short wiper blade with the short wiper arm.

[0026] In one embodiment, the short wiper blade sprayer includes a short wiper blade sprayer water pipe joint and not limited to one short wiper blade sprayer nozzle;

[0027] The short wiper sprayer water pipe joint is connected with a water supply pipe to provide sufficient water for the short wiper sprayer nozzle.

[0028] The short wiper sprayer nozzle is connected with the short wiper sprayer water pipe joint to spray water flow at a specific angle.

[0029] In one embodiment, the short wiper arm comprises a short wiper arm carbon steel skeleton.

[0030] The short wiper arm carbon steel skeleton has one or more than one connecting hole for connecting different components.

[0031] The multi-wiper arm wiper ensures the cleaning of the driver's field of view while solving the problem of insufficient cleaning or cleaning of the camera installation position, improving the clarity of the camera and ensuring the normal operation of the intelligent driving system. BRIEF DESCRIPTION OF DRAWINGS

[0032] The above features and advantages of the present application can be better understood after reading the detailed description of embodiments of the present application in conjunction with the following drawings. In the drawings, components are not necessarily drawn to scale and components having similar related properties or features can have the same or similar reference numerals.

[0033] Figure 1 The structure diagram of the multi-wiper arm wiper of an embodiment of the present application is disclosed.

[0034] Figure 2 The structure diagram of the long wiper of one aspect of the present application is disclosed.

[0035] Figure 3A The structure diagram of the first view of the long wiper sprayer of one aspect of the present application is disclosed.

[0036] Figure 3B The structure diagram of the second view of the long wiper sprayer of one aspect of the present application is disclosed.

[0037] Figure 4A The structure diagram of the front view of the long wiper arm of one aspect of the present application is disclosed.

[0038] Figure 4B The structure diagram of the side view of the long wiper arm of one aspect of the present application is disclosed.

[0039] Figure 5 The structure diagram of the short wiper of one aspect of the present application is disclosed.

[0040] Figure 6 The structure diagram of the short wiper sprayer of one aspect of the present application is disclosed.

[0041] Figure 7A The utility model discloses one aspect of the structure diagram of the front view of short scraping arm.

[0042] Figure 7B The utility model discloses one aspect of the structure diagram of the side view of short scraping arm.

[0043] The meaning of each reference sign in the drawing is as follows:

[0044] 100 multi-scraping arm wiper;

[0045] 10 long blade;

[0046] 20 long blade sprayer;

[0047] 30 long scraping arm;

[0048] 40 short blade;

[0049] 50 short blade sprayer;

[0050] 60 short scraping arm;

[0051] 70 wiper motor;

[0052] 11 long blade carbon steel skeleton;

[0053] 12 long blade rubber blade;

[0054] 21 long blade sprayer water pipe joint;

[0055] 22 long blade sprayer nozzle;

[0056] 31 long scraping arm main body;

[0057] 32 long scraping arm adapter structure;

[0058] 33 fixed connection point;

[0059] 41 short blade carbon steel skeleton;

[0060] 42 short blade rubber blade;

[0061] 51 short blade sprayer water pipe joint;

[0062] 52 short blade sprayer nozzle;

[0063] 61 short scraping arm carbon steel skeleton. DETAILED DESCRIPTION

[0064] In order to make the purpose, technical scheme and advantages of the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and examples.

[0065] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are included in at least one embodiment or example of the utility model. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0066] Figure 1 The structure diagram of the multi-wiper arm wiper of one embodiment of the utility model is disclosed. Figure 1 As shown in the drawing, the multi-wiper arm wiper 100 comprises a long wiper blade 10, a long wiper blade sprayer 20, a long wiper arm 30, a short wiper blade 40, a short wiper blade sprayer 50, a short wiper arm 60 and a wiper motor 70.

[0067] The long wiper blade 10 is connected with the long wiper arm 30 by fasteners, and the long wiper blade sprayer 20 is fixed on the long wiper arm 30; the short wiper arm 60 is connected with the long wiper arm 30 by fasteners, the short wiper blade 40 is connected with the short wiper arm 60 by fasteners, and the short wiper blade sprayer 50 is fixed on the short wiper arm 60;

[0068] The rotating shaft of the wiper motor 70 is connected with the long wiper arm 30 by fasteners, and is used for driving the long wiper arm 30 to work.

[0069] In one embodiment, the fasteners include but are not limited to bolts.

[0070] In the embodiment, the bolts are preferably used for connection, which can make the replacement and maintenance of each component more convenient, and help to reduce the maintenance cost and improve the reliability of the system.

[0071] The long wiper blade 10 is connected with the long wiper arm 30 by bolts, and the long wiper blade sprayer 20 is fixed on the long wiper arm 30 by bolts; the short wiper arm 60 is connected with the long wiper arm 30 by bolts, the short wiper blade 40 is fixed with the short wiper arm 60 by bolts, and the short wiper blade sprayer 50 is fixed on the short wiper arm 60 by bolts; the rotating shaft of the wiper motor 70 is also connected with the long wiper arm 30 by bolts.

[0072] The multi-wiper arm rain wiper suitable for the electronic guide rubber wheel system is connected with a long wiper blade, a short wiper blade, a wiper arm and a sprayer through bolts, the stable connection and accurate positioning of the components are realized, the reliability, durability and working efficiency of the rain wiper are improved, the stability of the wiper effect and the comprehensive coverage of the clean area are ensured, and especially for the cleaning of the camera area, the normal operation of the intelligent driving system is optimized.

[0073] Figure 2 The structure diagram of the long wiper blade of the utility model is disclosed, and the long wiper blade 10 comprises a long wiper blade carbon steel framework 11 and a long wiper blade rubber wiper 12.

[0074] The long wiper blade carbon steel framework 11 is provided with a connecting hole 13 for connecting the long wiper blade 10 and the long wiper arm 30.

[0075] The long wiper blade 10 is connected with the long wiper arm 30 through the connecting hole 13, so that the rain wiper motor 70 can drive the long wiper blade 10 to perform a wiper action through the long wiper arm 30, the long wiper blade 10 is an important component in the multi-wiper arm rain wiper 100, directly contacts the windshield and is responsible for removing water and dirt on the windshield.

[0076] The long wiper blade carbon steel framework 11 provides necessary support and shape retention for the long wiper blade 10, so that the long wiper blade 10 can stably contact the windshield.

[0077] The long wiper blade rubber wiper 12 is an actual cleaning component, directly contacts the windshield, removes water and dirt on the windshield and keeps the vision clear, wherein the wiper made of rubber material can also reduce noise during wiper and reduce abrasion to the windshield, improving driving comfort.

[0078] In an embodiment, the long wiper blade 10 is fixed on the long wiper arm 30 through bolts, and the long wiper blade 10 adjusts the angle through the connecting hole 13, so that the long wiper blade completely adheres to the front windshield of the electronic guide rubber wheel system.

[0079] Figure 3A And Figure 3B The first view angle and the second view angle of the long wiper blade sprayer of the utility model are respectively disclosed, as shown in Figure 3A and Figure 3B The long wiper blade sprayer comprises a long wiper blade sprayer water pipe joint 21 and not limited to one long wiper blade sprayer nozzle 22.

[0080] The long wiper blade sprayer water pipe joint 21 is connected with a water supply pipeline and is used for providing sufficient water for the long wiper blade sprayer nozzle 22;

[0081] The long wiper blade sprayer nozzle 22 is connected with the long wiper blade sprayer water pipe joint 21 and is used for spraying water flow at a specific angle

[0082] In one embodiment, when the multi-arm wiper 100 is working, the long wiper blade spray nozzles 22 spray from the upper, middle and lower parts of the long wiper blade, respectively, so that the long wiper blade 10 is in a completely wet wiping working state, avoiding scratches on the glass and extending the service life of the wiper blade.

[0083] Figure 4A and Figure 4B The diagrams show the structural schematics of the long scraper arm of this utility model, including the front view and side view. For example... Figure 4A As shown, the long scraper arm 30 includes: two long scraper arm bodies 31 and a long scraper arm adapter structure 32. The long scraper arm bodies 31 and the long scraper arm adapter structure 32 are connected by a fixed connection point, and the long scraper arm bodies 31 can rotate.

[0084] In one embodiment, the two long scraper arms 31 are connected to the long scraper arm adapter structure 32 through two fixed connection points 33, and the long scraper arms 31 can rotate at a certain angle.

[0085] When the multi-arm wiper 100 is working, the long arm adapter structure 32 always remains vertical.

[0086] In this embodiment, the long wiper arm consists of two long wiper arm bodies 31 and a connecting structure. The long wiper arm bodies are connected to the connecting structure through a fixed connection point 33 and can rotate to transmit the power of the wiper motor, realize the wiping action of the wiper blade, and at the same time maintain the stability of the structure and adapt to the curvature of the windshield.

[0087] The long scraper arm body has not only one connection hole for connecting different components.

[0088] like Figure 4B As shown, the long scraper arm body has not limited to one connection hole. The connection hole 36 is used to connect the long scraper arm 30 to the short scraper arm 60 with bolts. The connection hole 34 is used to install and fix the long scraper blade 10 on the long scraper arm 30 by bolt connection. The movement trajectory of the long scraper blade 10 is consistent with the long scraper arm adapter structure 32.

[0089] like Figure 4A As shown, the connecting hole 35 is used to fix the long scraper sprayer 20 to the long scraper arm 30 by bolts.

[0090] Figure 5 A schematic diagram of the structure of the short scraper of this utility model is shown, as follows: Figure 5 As shown, the short scraper 40 includes: a short scraper carbon steel frame 41 and a short scraper rubber scraper 42.

[0091] The short wiper blade carbon steel frame 41 has a connecting hole 43 for connecting the short wiper blade 40 and the short wiper arm 60. The short wiper blade 40 is used to clear rainwater from specific areas of the windshield, such as near the camera, to ensure a clear view of the camera and thus not affect its normal operation.

[0092] The functions of the short scraper carbon steel frame 41 and the short scraper rubber scraper 42 are similar to those of the long scraper carbon steel frame 11 and the long scraper rubber scraper 12, and will not be elaborated here.

[0093] In one embodiment, the short scraper 40 is fixed to the short scraper arm 60 by bolts, and the angle of the short scraper 40 is adjusted through the connecting hole 43 so that the short scraper completely fits the windshield of the electronic guide rubber wheel system.

[0094] The short wiper blade consists of a short wiper blade carbon steel frame 41 and a short wiper blade rubber wiper 42. The carbon steel frame 41 provides support and has a connecting hole 43 for fixing the short wiper blade 40 to the short wiper arm 60, while the rubber wiper blade 42 is responsible for contacting the windshield to remove water and dirt. It can specifically remove rainwater from the windshield, improve driving safety and the image acquisition quality of the camera.

[0095] Figure 6 The schematic diagram of the structure of a short scraper sprayer 50 of this utility model is disclosed. The short scraper sprayer 50 includes a short scraper sprayer water pipe connector 51 and a short scraper sprayer nozzle 52, which is not limited to one.

[0096] The short scraper sprayer water pipe connector 51 is connected to the water supply pipe and is used to provide sufficient water to the short scraper sprayer nozzle 52.

[0097] The short blade sprayer nozzle 52 is connected to the short blade sprayer water pipe connector 51 and is used to spray water at a specific angle.

[0098] The short scraper sprayer 50 is used to spray cleaning fluid directly onto the camera area, working in conjunction with the short scraper 40 to clean, ensuring a clear view of the camera, improving the accuracy of image acquisition, and enhancing the safety of intelligent driving.

[0099] In one embodiment, when the multi-arm wiper 100 is working, the short wiper spray nozzles 52 spray from the upper and middle positions of the short wiper 40 respectively, so that the short wiper 40 is in a completely wet wiping working state, avoiding scratches on the glass and extending the service life of the wiper.

[0100] In this embodiment, the addition of a short wiper sprayer can solve the problem that dust and impurities on the windshield may affect the camera's field of view. By using the short wiper sprayer 50 in conjunction with the short wiper 40, the camera's field of view area can be cleaned more effectively, ensuring that the camera can capture clear images.

[0101] Figure 7A and Figure 7B The diagrams show the structural schematics of the front and side views of one aspect of the short scraper arm of this utility model. For example... Figure 7A As shown, the short scraper arm 60 includes a short scraper arm carbon steel frame 61, which has, but is not limited to, a connecting hole for connecting different components.

[0102] The short wiper arm 60 is connected to the short wiper blade 40 through the connecting hole 62 on the short wiper arm carbon steel frame 61, thereby supporting the short wiper blade 40 and enabling it to contact the windshield to perform the wiping action.

[0103] In one embodiment, such as Figure 7B As shown, connection hole 62 is used for connecting short scraper arm 60 to short scraper blade 40 by bolts; connection hole 63 is used for connecting short scraper arm 60 to long scraper arm 30 by bolts; connection hole 64 is used for connecting short scraper arm 60 to short scraper blade sprayer 50 by bolts.

[0104] In this embodiment, the cooperation of the long wiper arm 30 and the short wiper arm 60 can more comprehensively cover the cleaning area of ​​the windshield. The addition of the short wiper blade 40 and the corresponding sprayer enhances the adaptability of the multi-arm wiper to different weather conditions and cleaning needs. Whether in rainy weather or when it is necessary to clean the camera's field of vision, the multi-arm wiper can solve the problem, including hard-to-reach corners, which helps to improve cleaning efficiency and reduce cleaning dead spots.

[0105] The multi-arm wiper provided by this utility model can be made of other metal materials, provided that the carbon steel frame of the long and short wiper arms can meet the strength requirements. The installation position of the wiper blades on the long and short wiper arms can also be adjusted according to different sizes of windshields, and the size of the long and short wiper blades can also be adjusted according to different sizes of windshields.

[0106] The multi-arm windshield wiper provided by this utility model adds a short wiper arm, a short wiper blade, and a short wiper blade spray nozzle, which not only meets the need to wipe the windshield in rainy weather to keep the driver's vision clear, but also takes into account the need to clean the field of vision of the camera installed on the windshield, thus better meeting the needs of modern automobiles for windshield wiper systems.

[0107] In the description of this utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0108] As indicated in this application and claims, unless the context clearly indicates otherwise, the words "a," "an," "an," and / or "the" are not specifically singular and may include plural forms. Generally speaking, the terms "comprising" and "including" only indicate the inclusion of explicitly identified steps and elements, which do not constitute an exclusive list, and the method or apparatus may also include other steps or elements.

[0109] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more, unless otherwise expressly defined.

[0110] Unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0111] The above embodiments are provided for those skilled in the art to implement or use the present invention. Those skilled in the art can make various modifications or changes to the above embodiments without departing from the inventive concept of the present invention. Therefore, the protection scope of the present invention is not limited to the above embodiments, but should be the maximum scope that conforms to the innovative features mentioned in the claims.

Claims

1. A multi-arm windshield wiper, characterized in that, include: Long wiper blade, long wiper blade sprayer, long wiper arm, short wiper blade, short wiper blade sprayer, short wiper arm, wiper motor; The long scraper blade is connected to the long scraper arm by fasteners; The long scraper sprayer is fixed on the long scraper arm and is used for spraying; The short scraper arm is connected to the long scraper arm by fasteners; The short scraper blade and the short scraper arm are connected by fasteners; The short scraper sprayer is fixed on the short scraper arm and is used for spraying; The wiper motor shaft is connected to the long wiper arm by a fastener, which is used to drive the long wiper arm and the short wiper arm to work.

2. The multi-arm wiper according to claim 1, characterized in that, The fasteners include bolts.

3. The multi-arm wiper according to claim 1, characterized in that, The long scraper blade includes: a long scraper blade carbon steel frame and a rubber scraper blade; The long scraper blade carbon steel frame has a connecting hole for connecting the long scraper blade and the long scraper arm.

4. The multi-arm wiper according to claim 1, characterized in that, The long scraper sprayer includes: a long scraper sprayer water pipe connector and, not limited to, a long scraper sprayer nozzle; The water pipe connector of the long scraper sprayer is connected to the water supply pipe and is used to supply water to the nozzle of the long scraper sprayer. The nozzle of the long scraper sprayer is connected to the water pipe connector of the long scraper sprayer and is used to spray water.

5. The multi-arm wiper according to claim 1, characterized in that, The long scraper arm includes: two long scraper arm bodies and a long scraper arm adapter structure; The main body of the long scraper arm is connected to the long scraper arm adapter structure through fixed points, and the main body of the long scraper arm can rotate.

6. The multi-arm wiper according to claim 5, characterized in that, The long scraper arm body has, but is not limited to, one connection hole for connecting different components.

7. The multi-arm wiper according to claim 1, characterized in that, The short scraper blade includes: a short scraper blade carbon steel frame and a rubber scraper blade; The short scraper blade carbon steel frame has a connecting hole for connecting the short scraper blade and the short scraper arm.

8. The multi-arm wiper according to claim 1, characterized in that, The short blade sprayer includes a short blade sprayer water pipe connector and, not limited to, a short blade sprayer nozzle. The water pipe connector of the short scraper sprayer is connected to the water supply pipe and is used to supply water to the nozzle of the short scraper sprayer. The nozzle of the short scraper sprayer is connected to the water pipe connector of the short scraper sprayer and is used to spray water.

9. The multi-arm wiper according to claim 1, characterized in that, The short scraper arm includes: a short scraper arm carbon steel frame; The short scraper arm carbon steel frame has not only one connection hole for connecting different components.

Images