Rearview mirror for reducing the blind spot of the rear wheel of a truck

Abstract

The utility model relates to rear -view mirror device technical field discloses a rear -view mirror of reducing truck inner wheel difference blind area, including fixed bolster, the outside of fixed bolster presents upper and lower straight line array detachably connected with oblong mirror and blind mirror, the upper surface of oblong mirror and blind mirror all is fixedly connected with fixed block, the upper surface of fixed block is fixedly connected with L type fairing, the rear side of L type fairing is fixedly connected with bucket type wind scooper, the rear side of bucket type wind scooper is fixedly connected with rain cover, the inside bottom surface of L type fairing is fixedly connected with lower fairing. In the utility model, through the cooperation of fixed block, L type fairing, bucket type wind scooper and rain cover that set up, can make airflow obliquely blow to the mirror surface of oblong mirror and blind mirror when truck carries out medium -low speed driving, forms air curtain at mirror surface, shortens the residence time of water drop on mirror surface, and the dust impurity that sticks is blown away, reduces the shelter to mirror surface.

Description

Technical Field

[0001] This utility model relates to the field of rearview mirror device technology, and in particular to a rearview mirror that reduces the blind spot of the inner wheel difference of a truck. Background Technology

[0002] Rearview mirrors are a key component for driving safety. Drivers can only observe the rear and side views through rearview mirrors while driving, ensuring that the vehicle can safely change lanes and make U-turns. The role of truck rearview mirrors far exceeds that of ordinary vehicle rearview mirrors. Due to the large size of trucks, numerous blind spots, and complex operation, the rearview mirror system must meet multi-dimensional requirements and needs to be pre-adjusted to a suitable field of vision to prevent driving accidents and ensure personal safety. It is usually composed of a mounting bracket, a large square mirror, and a blind spot mirror.

[0003] A search revealed that Chinese Patent Publication No. CN111267735B discloses a truck rearview mirror, which includes a rearview mirror mounting part, an upper fixing part, a lower fixing part, and an adjustment mechanism. The rearview mirror's angle and orientation can be easily adjusted, and its orientation and state can be locked after adjustment to maintain its stable state and prevent interference from external factors. The adjustment mechanism is also designed to be modular, allowing each part to be manufactured independently and assembled into the final product.

[0004] The aforementioned truck rearview mirrors, when the vehicle is traveling in rainy weather at low to medium speeds, although airflow is generated during vehicle movement, the speed and force of the airflow are relatively small at low to medium speeds, which is insufficient to wash away the rainwater on the rearview mirrors. This makes it difficult for the rainwater to slide off quickly, and the lingering rainwater on the rearview mirrors obstructs the driver's field of vision, thereby affecting driving safety. Therefore, a rearview mirror that reduces the blind spot of the inner wheel difference of the truck is proposed to solve the above problems. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a rearview mirror that reduces the blind spot of the inner wheel difference of a truck. It aims to improve the problem in the prior art that when a vehicle is traveling at low to medium speeds, rainwater on the rearview mirror cannot quickly slide off, thus affecting the driver's field of vision.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a rearview mirror that reduces the blind spot of the inner wheel difference of a truck, comprising a fixed bracket, wherein a rectangular mirror and a blind spot filler mirror are detachably connected in a vertical linear array on the outer side of the fixed bracket, a fixed block is fixedly connected to the upper surface of both the rectangular mirror and the blind spot filler mirror, an L-shaped air guide is fixedly connected to the upper surface of the fixed block, a bucket-shaped air guide is fixedly connected to the rear side of the L-shaped air guide, a rain shield is fixedly connected to the rear side of the bucket-shaped air guide, a lower air guide strip is fixedly connected to the inner bottom surface of the L-shaped air guide, and an upper air guide strip is fixedly connected to the inner top surface of the L-shaped air guide.

[0007] As a further description of the above technical solution:

[0008] An inner arc strip is fixedly connected to the corner of the inner outer wall of the L-shaped deflector, and the right side inclined surface of the inner arc strip is set with an inward arc structure.

[0009] As a further description of the above technical solution:

[0010] The bottom of the L-shaped fairing is inclined towards the mirror surfaces of the rectangular mirror and the blinding mirror.

[0011] As a further description of the above technical solution:

[0012] The lower guide strip has a right-angled triangular cross-section, and the upper guide strip has an obtuse triangular cross-section. The right inclined surface of the lower guide strip is parallel to the left inclined surface of the upper guide strip.

[0013] As a further description of the above technical solution:

[0014] An electric push rod is fixedly connected to the left side of the fixed bracket, and a fixed rod is fixedly connected to the outer wall surface of the fixed bracket. A limit sleeve is sleeved on the left side of the fixed rod.

[0015] This utility model has the following beneficial effects:

[0016] 1. In this utility model, by combining the fixed block, L-shaped air guide, bucket-shaped air guide and rain shield, the airflow can be directed obliquely towards the mirror surface of the rectangular mirror and the blind spot mirror when the truck is traveling at low and medium speeds, forming an air curtain at the mirror surface, shortening the residence time of water droplets on the mirror surface, and blowing away the dust and impurities that adhere to it, reducing the obstruction of the mirror surface. By combining the lower air guide strip and the upper air guide strip, the dust and impurities carried in the airflow can be filtered and screened out, reducing the impact of dust on the mirror surface.

[0017] 2. In this utility model, the camera detector can further reduce the blind spot of the inner wheel difference and can warn the driver when pedestrians and vehicles approach. With the cooperation of the electric push rod, the fixing rod and the limiting cylinder, the fixed bracket can be stably extended outward when the vehicle turns, increasing the monitoring range and thus reducing the blind spot of the inner wheel difference. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall embodiment of the present utility model;

[0019] Figure 2 This is a schematic diagram of the rear side of an embodiment of the present utility model;

[0020] Figure 3 This is a schematic diagram of the L-shaped air deflector in an embodiment of the present invention;

[0021] Figure 4 This is a schematic cross-sectional view of the right side of the L-shaped air deflector according to an embodiment of the present invention;

[0022] Figure 5 This is a schematic diagram of the lower guide strip and the upper guide strip according to an embodiment of the present utility model.

[0023] Legend:

[0024] 1. Fixed bracket; 2. Rectangular mirror; 3. Blind spot mirror; 4. Fixing block; 5. L-shaped air guide; 6. Bucket-shaped air guide; 7. Rain cover; 8. Lower air guide strip; 9. Upper air guide strip; 10. Inner arc strip; 11. Camera detector; 12. Electric push rod; 13. Fixing rod; 14. Limiting cylinder. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Reference Figures 1-2This utility model provides an embodiment of a rearview mirror that reduces the blind spot of the inner wheel difference of a truck. It includes a fixed bracket 1, with a rectangular mirror 2 and a blind spot mirror 3 detachably connected to the outer side of the fixed bracket 1 in a vertically arranged linear array. The blind spot mirror 3 typically uses a convex mirror design with a small radius of curvature. Through optical principles, it expands the reflected field of view, covering areas that traditional flat rearview mirrors cannot capture. The rectangular mirror 2 and the blind spot mirror 3 are fixedly connected to the fixed bracket 1 by fasteners. Simultaneously, the rectangular mirror 2 and the blind spot mirror 3 can be rotated and adjusted relative to the fasteners, and can be limited by a limiter. This allows the rectangular mirror 2 and the blind spot mirror 3 to be rotated and adjusted according to the driver's driving posture, and to achieve a stable limit after adjustment. The above structures are all existing technologies in the field and will not be elaborated upon here.

[0027] A fixing block 4 is fixedly connected to the upper surface of both the rectangular mirror 2 and the blind spot mirror 3. An L-shaped air guide 5 is fixedly connected to the upper surface of the fixing block 4. The L-shaped air guide 5 is fixedly connected to the top of the rectangular mirror 2 and the blind spot mirror 3 through the fixing block 4. At the same time, the width of the bottom air outlet of the L-shaped air guide 5 is adapted to the width of the rectangular mirror 2 and the blind spot mirror 3. The bottom end of the L-shaped air guide 5 is inclined towards the mirror surface of the rectangular mirror 2 and the blind spot mirror 3.

[0028] Meanwhile, the L-shaped air deflector 5 adopts a structure with a large rear end and a small bottom end. According to the Venturi effect, the large opening air inlet can allow a large amount of airflow to enter. As the airflow flows inside the air deflector, the channel gradually narrows and the air outlet becomes smaller, and the airflow speed will increase, forming a high-speed airflow, similar to the Venturi tube effect. This high-speed airflow can generate greater kinetic energy and impact force, which is more conducive to blowing off the dust on the rearview mirror, thereby improving the cleaning effect.

[0029] Reference Figures 3-5 The L-shaped deflector 5 is fixedly connected to the rear side of a funnel-shaped deflector 6. The funnel-shaped deflector 6 can further increase the air intake size of the air intake end of the L-shaped deflector 5 and increase the air intake volume. The funnel-shaped deflector 6 is fixedly connected to the rear side of a rain shield 7. The rain shield 7 can block the upper part of the air intake end of the funnel-shaped deflector 6 to prevent rainwater from dripping directly downwards into the interior of the funnel-shaped deflector 6 and the L-shaped deflector 5. A small amount of rainwater that is swept obliquely into the interior of the funnel-shaped deflector 6 can also slide outwards along the inclined surface at the bottom of the funnel-shaped deflector 6. The lower guide strip 8 is fixedly connected to the inner bottom surface of the L-shaped deflector 5. The cross-section of the lower guide strip 8 is set in a right-angled triangle structure. The upper guide strip 9 is fixedly connected to the inner top surface of the L-shaped deflector 5. The cross-section of the upper guide strip 9 is set in an obtuse-angled triangle structure. The right inclined surface of the lower guide strip 8 and the left inclined surface of the upper guide strip 9 are parallel to each other.

[0030] When the airflow enters the L-shaped deflector 5, it will come into contact with the right inclined surface of the lower deflector 8 and the upper deflector 9. The dust and impurities carried in the airflow will collide with the lower deflector 8 and the upper deflector 9 under the action of inertia, reducing their own kinetic energy. As a result, the dust will separate from the airflow due to inertia and be deposited at the bottom of the L-shaped deflector 5, reducing the risk of dust being blown towards the rectangular mirror 2 and the blind spot mirror 3.

[0031] An inner arc strip 10 is fixedly connected to the corner of the inner outer wall of the L-shaped deflector 5. The right side inclined surface of the inner arc strip 10 is set with a concave arc structure. When the airflow reaches the outer corner bend of the L-shaped deflector 5, it can flow downward along the arc surface of the inner arc strip 10, avoiding the airflow from directly colliding with the inner wall of the L-shaped deflector 5 and affecting the flow.

[0032] Reference Figures 1-2 A camera detector 11 is fixedly connected to the bottom surface of the blind spot mirror 3. The camera detector 11 can detect the outside of the truck and integrates a millimeter-wave radar chipset and a built-in DSP. It can dynamically adjust the radar beam direction to cover the blind spot fan-shaped area. The camera detector 11 is used in conjunction with a display screen installed on the inner wall of the vehicle, allowing the driver to directly observe the blind spot from inside the vehicle. It also alerts the driver when pedestrians or vehicles approach. An electric push rod 12 is fixedly connected to the left side of the fixed bracket 1, and a fixed rod 13 is fixedly connected to the outer wall surface of the fixed bracket 1. A limit sleeve 14 is sleeved on the left side of the fixed rod 13. The limit sleeve 14 and... The left end of the electric push rod 12 is fixedly connected to the outer side of the vehicle front by fasteners (not directly shown in the figure, but known in the art). A motion sensor is installed on the vehicle's steering wheel. When the steering wheel is turned and the vehicle turns, a signal is sent to the electric push rod 12, causing the electric push rod 12 to start and drive the fixed bracket 1 to extend outward, increasing the detection range of the rectangular mirror 2, the blind spot mirror 3 and the camera detector 11. At the same time, the limiting cylinder 14 can guide and limit the movement of the fixed rod 13, so that the fixed rod 13 can only move in a straight line in the left and right directions, thereby further limiting the movement of the fixed bracket 1 and keeping the movement of the fixed bracket 1 stable.

[0033] Working principle: The camera detector 11 monitors the blind spot outside the vehicle. Using advanced image processing algorithms, the images captured by the camera are processed in real time to help the driver more accurately judge the distance, speed and direction of movement of objects in the blind spot. When the system detects a pedestrian or vehicle in the inner wheel difference blind spot, it automatically triggers the AEB system to brake and flashes a warning sign on the display screen to remind the driver. This is a prior art and will not be described in detail. At the same time, when the driver turns the steering wheel, the sensor transmits a signal to the electric push rod 12, which is activated. Under the guidance and limitation of the fixed rod 13 and the limiting cylinder 14, the fixed bracket 1 extends outward, which can expand the detection range of the rectangular mirror 2, the blind spot mirror 3 and the camera detector 11, and further reduce the inner wheel difference blind spot.

[0034] During low-to-medium speed driving, the generated airflow can flow into the L-shaped shroud 5 through the bucket-shaped air guide shroud 6. When the airflow enters the L-shaped shroud 5, it will come into contact with the right inclined surfaces of the lower guide strip 8 and the upper guide strip 9, and can continue to flow into the L-shaped shroud 5 through the gap between the lower guide strip 8 and the upper guide strip 9. When the airflow comes into contact with the lower guide strip 8 and the upper guide strip 9, the dust and impurities carried in it will be dispersed by the lower guide strip. The right inclined surface of strip 8 and upper guide strip 9 collides, reducing kinetic energy, separating from the airflow and depositing at the bottom of L-shaped guide hood 5, thereby reducing the impact of dust on the mirror surface. When the airflow passes through L-shaped guide hood 5 and blows out from the bottom air outlet, it can be blown obliquely onto the mirror surface of rectangular mirror 2 and blinding mirror 3, forming an air curtain on the mirror surface of rectangular mirror 2 and blinding mirror 3, accelerating the sliding of water dripping onto the mirror surface, and at the same time blowing away dust and impurities adhering to the mirror surface, reducing the obstruction of the mirror surface.

[0035] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A rearview mirror that reduces the blind spot of the inner wheel difference of a truck, comprising a fixed bracket (1), characterized in that: The outer side of the fixed bracket (1) is detachably connected to a rectangular mirror (2) and a blind spot mirror (3) in a straight line. The upper surfaces of the rectangular mirror (2) and the blind spot mirror (3) are fixedly connected to a fixing block (4). The upper surface of the fixing block (4) is fixedly connected to an L-shaped air guide (5). The rear side of the L-shaped air guide (5) is fixedly connected to a bucket-shaped air guide (6). The rear side of the bucket-shaped air guide (6) is fixedly connected to a rain shield (7). The inner bottom surface of the L-shaped air guide (5) is fixedly connected to a lower air guide strip (8). The inner top surface of the L-shaped air guide (5) is fixedly connected to an upper air guide strip (9).

2. A rearview mirror for reducing blind spots in the inner wheel differential of a truck according to claim 1, characterized in that: An inner arc strip (10) is fixedly connected to the corner of the inner outer wall of the L-shaped flow guide (5), and the right side inclined surface of the inner arc strip (10) is set with an inward arc structure.

3. A rearview mirror for reducing blind spots in the inner wheel differential of a truck according to claim 1, characterized in that: The bottom end of the L-shaped fairing (5) is inclined toward the mirror surfaces of the rectangular mirror (2) and the blinding mirror (3).

4. A rearview mirror for reducing blind spots in the inner wheel differential of a truck according to claim 1, characterized in that: The lower guide bar (8) has a right-angled triangular cross-section, and the upper guide bar (9) has an obtuse triangular cross-section. The right inclined surface of the lower guide bar (8) is parallel to the left inclined surface of the upper guide bar (9).

5. A rearview mirror for reducing blind spots in the inner wheel differential of a truck according to claim 1, characterized in that: The bottom surface of the blind spot mirror (3) is fixedly connected to a camera detector (11), the left side of the fixed bracket (1) is fixedly connected to an electric push rod (12), the outer wall surface of the fixed bracket (1) is fixedly connected to a fixing rod (13), and the left side of the fixing rod (13) is sleeved with a limit sleeve (14).

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