Car exterior rearview mirror mirror blowing and water spraying device

CN224617664UActive Publication Date: 2026-08-11SHANGHAI ZHIKUN AUTO PARTS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-07-23
Publication Date
2026-08-11

AI Technical Summary

Technical Problem

现有后视镜存在以下技术缺陷:镜面暴露结构导致抗污染能力显著下降,凸面镜的曲面特性使灰尘颗粒在镜面形成非均匀沉积,尤其在干燥环境下易产生局部眩光反射,严重影响驾驶员对侧后方车辆的动态判断;雨天行驶时,镜面缺乏导流或疏水结构,雨水在镜面曲率最大区域形成连续水膜或离散水滴,存在安全隐患,因此,本实用新型提出汽车外后视镜镜面吹气喷水装置以解决现有技术中存在的问题

Benefits of technology

1、本实用新型在镜面托板上镶嵌主气道和主水道,通过进气口、进水口分别连接供气件、供水件,通过喷气口、喷水口朝向镜面,进行吹气和喷水,有利于除尘、去水膜,提高安全性能。

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Abstract

This utility model provides a rearview mirror blowing and water spraying device, relating to the field of rearview mirror technology. It includes a main air duct and a main water duct, both embedded in the upper part of a mirror support plate. An air jet is connected to the main air duct, and a water jet is connected to the main water duct. Both the air jet and water jet extend outwards from the front side of the mirror support plate. An air inlet is connected below the main air duct, and a water inlet is connected below the main water duct. Both the air inlet and water inlet extend outwards from the rear side of the mirror support plate and are respectively connected to an air supply component and a water supply component. This utility model embeds the main air duct and main water duct into the mirror support plate, and connects the air supply component and water supply component through the air inlet and water inlet, respectively. By blowing air and spraying water towards the mirror surface through the air jet and water jet, it facilitates dust removal, water film removal, and improves safety performance.
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Description

Technical Field

[0001] This utility model relates to the field of rearview mirror technology, and in particular to a device for blowing air and spraying water onto the mirror surface of an automotive exterior rearview mirror. Background Technology

[0002] As an important safety component of a vehicle, the exterior rearview mirror is the core visual device for drivers to obtain information about the road to the side and rear. It is usually composed of a mirror housing, a mirror surface, a turn signal assembly, and a mounting base. It achieves a wide field of view through curved lenses (including convex mirrors, double curvature mirrors, etc.). In the existing technology, in order to reduce wind resistance and improve aesthetics, some models adopt a frameless exterior rearview mirror design, in which the mirror surface is directly exposed to the external environment, and only the edge of the lens forms a local fixed structure with the mirror housing. Existing rearview mirrors have the following technical defects: the exposed mirror structure leads to a significant decrease in anti-pollution ability; the curved characteristics of the convex mirror cause dust particles to form non-uniform deposition on the mirror surface, especially in dry environments, which easily produces local glare reflection, seriously affecting the driver's dynamic judgment of vehicles to the side and rear; when driving in rainy weather, the mirror surface lacks a water guiding or hydrophobic structure, and rainwater forms a continuous water film or discrete water droplets in the area of ​​maximum curvature of the mirror surface, posing a safety hazard. Therefore, this utility model proposes an air blowing and water spraying device for automotive exterior rearview mirrors to solve the problems existing in the prior art. Utility Model Content

[0003] To address the aforementioned problems, this utility model proposes an air-blowing and water-spraying device for automotive exterior rearview mirrors. This device has a main air channel and a main water channel embedded in the mirror support plate. An air supply component and a water supply component are connected through an air inlet and a water inlet, respectively. Air and water are blown and sprayed towards the mirror surface through the air jet and water jet nozzles, which is beneficial for dust removal, water film removal, and improved safety performance.

[0004] To achieve the purpose of this utility model, the utility model is implemented through the following technical solution: a car exterior rearview mirror air blowing and water spraying device, including a main air channel and a main water channel, both of which are embedded in the upper part of the mirror support plate. A jet nozzle is connected to the main air channel, and a water spray nozzle is connected to the main water channel. Both the jet nozzle and the water spray nozzle are connected to the front side of the mirror support plate. An air inlet is connected to the lower part of the main air duct, and a water inlet is connected to the lower part of the main water duct. Both the air inlet and the water inlet extend out of the rear side of the mirror support plate, and the air inlet and the water inlet are respectively connected to the air supply component and the water supply component.

[0005] A further improvement is that the outer sides of the main air duct, main water duct, jet nozzle, water nozzle, air inlet, and water inlet are all covered with a skeleton, and the skeleton is integrally formed by insert injection molding and mirror support plate.

[0006] A further improvement is that the air supply component and the water supply component are both located inside the mirror chamber, and the mirror support plate is located on the front side of the mirror chamber.

[0007] A further improvement is that the air supply component includes an air pump and an air pipe, the air pipe is connected to the output end of the air pump and the output end of the air pipe is connected to the air inlet, and the input end of the air pump is connected to the air inlet of the mirror plate.

[0008] A further improvement is that the water supply component includes a solenoid valve and a water pipe, the input end of the water pipe is connected to the water source component of the vehicle body, and the output end of the water pipe is connected to the water inlet, and the solenoid valve is located on the water pipe.

[0009] A further improvement is that a mirror is provided on the front side inside the mirror support plate, and the air jet and water jet are directed toward the mirror.

[0010] The beneficial effects of this utility model are as follows: 1. This utility model has a main air channel and a main water channel embedded in the mirror support plate. The air supply component and water supply component are connected through the air inlet and water inlet respectively. Air and water are blown and sprayed towards the mirror surface through the air jet and water spray nozzle, which is beneficial for dust removal, water film removal and improving safety performance.

[0011] 2. This utility model has an air pump and air pipe installed in the mirror compartment for air supply, and the water pipe can be directly connected to the water source component of the vehicle body to supply water in conjunction with the opening and closing of the solenoid valve. The structure is simple and the installation and maintenance are more convenient. Attached Figure Description

[0012] Figure 1 This is the front view of the present invention; Figure 2 This is a schematic diagram of the skeleton of this utility model; Figure 3 This is a schematic diagram of the front side of the mirror support plate of this utility model; Figure 4 This is a schematic diagram of the rear side of the mirror support plate of this utility model; Figure 5 This is a schematic diagram of the mirror compartment of this utility model.

[0013] The components are: 1. Main air duct; 2. Main water duct; 3. Air jet nozzle; 4. Water jet nozzle; 5. Air inlet; 6. Water inlet; 7. Mirror support plate; 8. Frame; 9. Mirror chamber; 10. Air pump; 11. Air pipe; 12. Solenoid valve; 13. Water pipe; 14. Mirror. Detailed Implementation

[0014] To deepen the understanding of this utility model, the following detailed description will be provided in conjunction with embodiments. These embodiments are only used to explain this utility model and do not constitute a limitation on the scope of protection of this utility model.

[0015] Example 1 according to Figure 1 , 2 As shown in Figures 3, 4, and 5, this embodiment proposes an air blowing and water spraying device for automotive exterior rearview mirrors, including a main air channel 1 and a main water channel 2. Both the main air channel 1 and the main water channel 2 are embedded in the upper part of the mirror support plate 7. An air jet 3 is connected to the main air channel 1, and a water spray 4 is connected to the main water channel 2. Both the air jet 3 and the water spray 4 are connected to the front side of the interior of the mirror support plate 7. The main air duct 1 is connected to an air inlet 5, and the main water duct 2 is connected to a water inlet 6. Both the air inlet 5 and the water inlet 6 extend from the rear side of the mirror support plate 7, and are respectively connected to an air supply component and a water supply component. In use, the main air duct 1 and the main water duct 2 are embedded in the mirror support plate 7, and the air supply component and water supply component are connected through the air inlet 5 and the water inlet 6, respectively. Air is blown and water is sprayed towards the mirror surface through the air jet nozzle 3 and the water spray nozzle 4, which is beneficial for dust removal, water film removal, and improved safety performance.

[0016] The outer sides of the main air duct 1, main water duct 2, jet nozzle 3, water nozzle 4, air inlet 5, and water inlet 6 are all covered with a frame 8. The frame 8 is integrally formed with the mirror support plate 7 by insert injection molding. The injection molding of the frame 8 makes it more robust and has a lower process cost.

[0017] Both the air supply and water supply components are located inside the mirror compartment 9, and the mirror support plate 7 is located on the front side of the mirror compartment 9. The air supply component includes an air pump 10 and an air pipe 11. The air pipe 11 is connected to the output end of the air pump 10, and the output end of the air pipe 11 is connected to the air inlet 5. The input end of the air pump 10 is connected to the air inlet of the mirror support plate 7. The water supply component includes a solenoid valve 12 and a water pipe 13. The input end of the water pipe 13 is connected to the water source component of the vehicle body, and the output end of the water pipe 13 is connected to the water inlet 6. The solenoid valve 12 is located on the water pipe 13. A mirror 14 is provided on the front side inside the mirror support plate 7, and the air jet 3 and water jet 4 face the mirror 14. The air pump 10 and air pipe 11 are installed inside the mirror compartment 9 to supply air, and the water pipe 13 can be directly connected to the water source component of the vehicle body. Water is supplied in conjunction with the opening and closing of the solenoid valve 12, thereby removing dust and water film from the mirror 14. The overall structure is simple, and installation and maintenance are more convenient.

[0018] Example 2 according to Figure 1 , 2 As shown in Figures 3, 4, and 5, this embodiment proposes an air blowing and water spraying device for automotive exterior rearview mirrors, including a main air channel 1 and a main water channel 2. Both the main air channel 1 and the main water channel 2 are embedded in the upper part of the mirror support plate 7. An air jet 3 is connected to the main air channel 1, and a water spray 4 is connected to the main water channel 2. Both the air jet 3 and the water spray 4 are connected to the front side of the interior of the mirror support plate 7. The main air duct 1 is connected to an air inlet 5, and the main water duct 2 is connected to a water inlet 6. Both the air inlet 5 and the water inlet 6 extend from the rear side of the mirror support plate 7, and are respectively connected to an air supply component and a water supply component. In use, the main air duct 1 and the main water duct 2 are embedded in the mirror support plate 7, and the air supply component and water supply component are connected through the air inlet 5 and the water inlet 6, respectively. Air is blown and water is sprayed towards the mirror surface through the air jet nozzle 3 and the water spray nozzle 4, which is beneficial for dust removal, water film removal, and improved safety performance.

[0019] The main air duct 1 and main water duct 2 are manufactured by bending and welding capillary stainless steel tubes; or by 3D printing corrosion-resistant materials such as stainless steel and aluminum alloy. Corrosion-resistant materials such as stainless steel or aluminum alloy should be selected, and aluminum alloy should be anodized for corrosion protection.

[0020] Insert injection molding is used to encapsulate the main air duct 1 and the main water duct 2 into a frame 8; the frame 8 is placed into the mirror frame / mirror support plate 7 mold for injection molding to form a whole; an air pump 10 is installed in the rearview mirror, and an air pipe 11 is used to connect the air inlet 5. The air pump 10 is matched with the maximum air pressure. Water pipe 13 connects to mirror compartment 9, with the water pump and water tank located inside the door. Alternatively, water can be supplied using the vehicle's headlight washer and windshield washer systems, but in this case, a solenoid valve 12 needs to be installed on the water line connecting the rearview mirror to control the opening and closing of the water line. If the water pump and water tank are located in the door, it is not necessary to install the solenoid valve 12 on the rearview mirror. If the water pump from the headlight washer and wiper washer is used, it is not necessary to install the water pump and water tank on the door; however, a solenoid valve 12 needs to be installed on the water pipe 13 of the rearview mirror to ensure that the spray nozzles open when needed.

[0021] This automotive exterior rearview mirror air-blowing and water-spraying device has a main air channel 1 and a main water channel 2 embedded in the mirror support plate 7. Air and water supply components are connected via air inlet 5 and water inlet 6, respectively. Air and water are sprayed onto the mirror surface through air nozzle 3 and water nozzle 4, facilitating dust removal, water film removal, and improved safety performance. Simultaneously, an air pump 10 and air pipe 11 are installed inside the mirror compartment 9 for air supply, and a water pipe 13 can be directly connected to the vehicle's water supply components, coordinating with the opening and closing of the solenoid valve 12 for water supply. The device features a simple structure and is easier to install and maintain.

[0022] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A water spraying device for the exterior rearview mirror of an automobile, comprising a main air channel (1) and a main water channel (2), characterized in that: The main air duct (1) and the main water duct (2) are both embedded in the upper part of the mirror support plate (7). The main air duct (1) is connected to a jet nozzle (3), and the main water duct (2) is connected to a water spray nozzle (4). The jet nozzle (3) and the water spray nozzle (4) are both connected to the front side of the mirror support plate (7). The main air duct (1) is connected to an air inlet (5), and the main water duct (2) is connected to a water inlet (6). The air inlet (5) and the water inlet (6) both extend out of the rear side of the mirror support plate (7), and the air inlet (5) and the water inlet (6) are respectively connected to the air supply component and the water supply component.

2. The vehicle exterior rearview mirror air-blowing and water-spraying device according to claim 1, characterized in that: The outer sides of the main air passage (1), main water passage (2), jet nozzle (3), water nozzle (4), air inlet (5), and water inlet (6) are all covered with a skeleton (8), and the skeleton (8) is integrally formed by insert injection molding and mirror support plate (7).

3. The vehicle exterior rearview mirror air-blowing and water-spraying device according to claim 1, characterized in that: The air supply and water supply components are both located inside the mirror chamber (9), and the mirror support plate (7) is located on the front side of the mirror chamber (9).

4. The vehicle exterior rearview mirror air-blowing and water-spraying device according to claim 3, characterized in that: The air supply component includes an air pump (10) and an air pipe (11). The air pipe (11) is connected to the output end of the air pump (10), and the output end of the air pipe (11) is connected to the air inlet (5). The input end of the air pump (10) is connected to the air inlet of the mirror plate (7).

5. The vehicle exterior rearview mirror air-blowing and water-spraying device according to claim 3, characterized in that: The water supply component includes a solenoid valve (12) and a water pipe (13). The input end of the water pipe (13) is connected to the water source component of the vehicle body, and the output end of the water pipe (13) is connected to the water inlet (6). The solenoid valve (12) is located on the water pipe (13).

6. The vehicle exterior rearview mirror air-blowing and water-spraying device according to claim 1, characterized in that: The mirror support plate (7) has a mirror (14) on the front side inside, and the jet nozzle (3) and water nozzle (4) face the mirror (14).