Automobile left rearview mirror assembly and use method

Abstract

The present invention relates to the technical field related to vehicle accessories, and specifically to a left rearview mirror assembly for an automobile and a method for using the same. The left rearview mirror assembly for an automobile comprises a rearview mirror bracket, a main rearview mirror seat body, a rear lower shell body, a rear upper shell body, a front shell body, a lens and an electric heating plate. The rearview mirror bracket is fixedly connected to the automobile, the main rearview mirror seat body is rotatably connected to the rearview mirror bracket through an electrically controlled rotating mechanism, a connecting seat is fixedly installed on the front end surface of the main rearview mirror seat body, a lens mounting seat is fixedly connected on the front end surface of the connecting seat, the rear lower shell body is fixedly connected to the lower end of the rear side of the main rearview mirror seat body, and the rear upper shell body is located at the upper end of the rear side of the main rearview mirror seat body; the left rearview mirror assembly for an automobile composed of the rearview mirror bracket, the main rearview mirror seat body, the rear lower shell body, the rear upper shell body, the front shell body, the lens and the electric heating plate is arranged, so that the fogging of the lens and residual water stains that affect the observation clarity of the lens are effectively avoided through the arrangement of the electric heating plate.

Description

Technical Field

[0001] The present invention relates to the technical field related to vehicle accessories, and in particular to a left rearview mirror assembly for an automobile and a use method thereof. Background Art

[0002] The rearview mirror is a tool for the driver to directly obtain external information such as the rear, side and bottom of the car while sitting in the driver's seat. In order to facilitate the driver's operation, prevent traffic accidents and ensure personal safety, all countries have stipulated that rearview mirrors must be installed on cars, and all rearview mirrors must be able to adjust the direction.

[0003] The existing Chinese patent document with announcement number CN111976608A discloses an exterior rearview mirror, which includes a head, a lens and a mounting base, and also includes a driving mechanism, wherein the driving mechanism is connected between the mounting base and the head; the driving mechanism includes a shell and a motor, a first transmission assembly and a second transmission assembly installed in the shell, and the driving mechanism includes an up and down flipping driving state and a left and right rotating driving state; in the up and down flipping driving state, the motor drives the first transmission assembly to rotate, and the first transmission assembly drives the shell to flip up and down; in the left and right flipping driving state, the first transmission assembly drives the second rotating assembly to rotate, and the second transmission assembly drives the head to rotate left and right, but it does not have a good defogging and water stain removal structure, which results in poor use effect when used in foggy and rainy weather. For this reason, the present invention proposes a left rearview mirror assembly for a vehicle and a method of use to solve the above problems. Summary of the invention

[0004] The object of the present invention is to provide a left rearview mirror assembly for an automobile and a method of using the same to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: a left rearview mirror assembly for a vehicle, the left rearview mirror assembly for a vehicle comprising:

[0006] A rearview mirror bracket, wherein the rearview mirror bracket is fixedly connected to the vehicle;

[0007] A rearview mirror main seat body, the rearview mirror main seat body is rotatably connected to the rearview mirror bracket through an electrically controlled rotating mechanism, a connecting seat is fixedly installed on the front end surface of the rearview mirror main seat body, and a lens mounting seat is fixedly connected to the front end surface of the connecting seat;

[0008] A rear lower housing, the rear lower housing being fixedly connected to the lower end of the rear side of the rearview mirror main seat body;

[0009] A rear upper shell, the rear upper shell is located at the upper end of the rear side of the rearview mirror main seat body, and the lower side end of the rear upper shell is fixedly connected to the upper side end of the rear lower shell;

[0010] A front housing, the rear side end of which is fixedly connected to the front side ends of the rear lower housing and the rear upper housing;

[0011] A lens, wherein the lens is fixedly connected to a lens mounting seat;

[0012] The electric heating plate is arranged between the lens and the lens mounting seat.

[0013] Preferably, the electric heating plate is electrically connected to a car power supply, a temperature sensor is provided on the lens mounting seat, and the temperature sensor is electrically connected to a control module in the car through a reserved circuit.

[0014] Preferably, an installation groove is provided on the inner side wall of the front shell body near the upper edge line, a mounting block is embedded and installed in the installation groove, a primary hemispherical groove is provided at the bottom of the installation groove, a secondary hemispherical groove is provided on the mounting block, the primary hemispherical groove and the secondary hemispherical groove are arranged correspondingly, and the corresponding primary hemispherical groove and the secondary hemispherical groove are combined to form a spherical notch, a primary air duct and a secondary air duct are provided at a position corresponding to the installation groove on the front shell body, and the primary air duct An air inlet is provided on the side of the first-level airway, and the end of the first-level airway is connected to a first-level air pipe connecting port, the end of the second-level airway is connected to a second-level air pipe connecting port, the first-level hemispherical groove is connected to the second-level airway through the first-level through hole, a through hole is provided at the lower side port of the second-level hemispherical groove, and movable balls are installed in the first-level hemispherical groove and the second-level hemispherical groove, the movable balls are hollow, and the lower end surface of the movable balls is integrally formed with an air nozzle, and the air nozzle is connected to the first-level through hole through the inner cavity of the movable ball.

[0015] Preferably, when the air nozzle is actually installed, the port of the air nozzle is arranged toward the upper edge line of the lens, and the angle between the port of the air nozzle and the lens is less than 10 degrees. The first-level air pipe connecting port and the second-level air pipe connecting port are connected through a first-level pipeline, a first-level air pump, and a second-level pipeline. When the first-level air pump is running, the gas in the pipeline flows from the first-level pipeline to the second-level pipeline.

[0016] Preferably, a screw hole is provided at the bottom of the mounting groove, and a mounting hole is provided on the mounting block. The screw hole and the secondary air duct, the primary through hole, and the primary hemispherical groove are staggered, the mounting hole and the through hole are staggered, the screw hole and the mounting hole are corresponding to each other, and the mounting block is positioned in the mounting groove by a positioning screw.

[0017] Preferably, the movable ball is movably installed between the primary hemispherical groove and the secondary hemispherical groove, the through hole is arranged in a trumpet shape, and an elastic support rod is integrally formed on the side wall of the movable ball, the movable ball and the air nozzle are arranged in opposite directions, and the elastic support rod is arranged in a circle around the circumference of the air nozzle, the elastic support rod is cast from spring steel, and the elastic support rod is arranged in an outwardly flared arc shape, and a retaining groove is provided on the upper side of the secondary air duct, and the retaining groove is arranged coaxially with the primary through hole, and when the movable ball is actually installed, the end of the elastic support rod is embedded in the retaining groove, and at this time, when the elastic support rod is in a compressed state, the air nozzle is movably arranged in the through hole, the port cross-section of the through hole is a straight slot, and the diameter value of the air nozzle is consistent with the width value of the port cross-section of the through hole.

[0018] Preferably, a baffle is integrally formed at the upper side edge of the front shell, and the baffle is arranged directly in front of the air inlet. A threaded hole is opened at the port position of the air inlet, and a dust filtering mechanism is installed in the threaded hole. The dust filtering mechanism is composed of a screw and a nut. The screw is hollow, and filter holes are evenly opened on the nut.

[0019] Preferably, a water-absorbing resin tube is provided in the cavity of the screw rod, and water-absorbing holes are evenly opened on the side wall of the water-absorbing resin tube. When the dust filtering mechanism is actually installed, the inner end of the water-absorbing resin tube is set against the bottom of the threaded hole, and the contact surface between the water-absorbing resin tube and the nut is provided with an air-avoiding chamfer.

[0020] Preferably, the port of the primary air pipe connecting port is connected to a first electromagnetic three-way valve, the other two ports of the first electromagnetic three-way valve are respectively connected to a primary pipeline and a tertiary pipeline, the port of the secondary air pipe connecting port is connected to a second electromagnetic three-way valve, the other two ports of the second electromagnetic three-way valve are respectively connected to a secondary pipeline and a quaternary pipeline, a secondary air pump is connected between the tertiary pipeline and the quaternary pipeline, when the secondary air pump is running, the gas in the quaternary pipeline flows into the tertiary pipeline, the primary air pump and the secondary air pump are both installed on the rearview mirror main seat body, and the primary air pump, the secondary air pump, the first electromagnetic three-way valve, and the second electromagnetic three-way valve are all connected to the electrical signal of the PLC control module of the automobile.

[0021] A method for using a left rearview mirror assembly for an automobile, the method for using the left rearview mirror assembly for an automobile is used to control the left rearview mirror assembly for an automobile. The method for using the left rearview mirror assembly for an automobile is as follows: when it rains, the primary air pump is operated to drive gas to flow in from an air inlet, and blow air to the surface of a lens through an air nozzle, so that water adhering to the lens can be accelerated to remain, and then the small amount of water remaining on the lens can be quickly evaporated through the heating effect of an electric heating plate, so as to ensure the observation clarity of the lens.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] 1. By setting up a left rearview mirror assembly of a car, which is composed of a rearview mirror bracket, a rearview mirror main body, a rear lower shell, a rear upper shell, a front shell, a lens and an electric heating plate, the electric heating plate can effectively prevent the lens from fogging and residual water stains that affect the viewing clarity of the lens;

[0024] 2. Installing a mounting block in the mounting groove of the front housing, opening a first-level hemispherical groove at the bottom of the mounting groove, opening a second-level hemispherical groove on the mounting block, opening a first-level airway and a second-level airway on the front housing, opening an air inlet on the side of the first-level airway, and setting an air nozzle on the movable ball in the first-level hemispherical groove and the second-level hemispherical groove, and circulating the gas through the first-level air pump, so that the air nozzle blows air to the surface of the lens, so that the water adhered to the lens can be left faster, and the residual amount of water stains on the lens is reduced, thereby improving the drying efficiency of the electric heating plate for water stains;

[0025] 3. By setting the through hole in a trumpet shape and arranging an elastic support rod on the side wall of the movable ball, the movable ball can produce reciprocating deflection under the mechanical vibration of the vehicle operation through the elastic support effect of the elastic support rod, thereby increasing the coverage area of ​​the air nozzle blowing air to the lens, thereby further improving the effect of blowing away water on the lens. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the structure of the present invention;

[0027] Figure 2 This is an exploded view of the present invention;

[0028] Figure 3 It is a schematic diagram of the structure of the main seat of the rearview mirror of the present invention;

[0029] Figure 4 It is a schematic diagram of the positions of the rear lower housing and the rear upper housing of the present invention;

[0030] Figure 5 This is a back view of the front housing of the present invention;

[0031] Figure 6 for Figure 5 A schematic diagram of the structure enlargement in the middle;

[0032] Figure 7 A half-section view of the front housing of the present invention;

[0033] Figure 8 for Figure 7 A magnified schematic diagram of the structure at B in the middle;

[0034] Fig. 9 for Figure 8 A magnified schematic diagram of the structure at C in the middle;

[0035] Fig.10 This is a schematic diagram of the dust filtering mechanism distribution of the present invention;

[0036] Fig.11 for Fig.10 A magnified schematic diagram of the structure at D in the middle;

[0037] Fig.12 for Fig.11 The enlarged schematic diagram of the structure at E in the middle;

[0038] Fig.13 for Fig.12 The enlarged schematic diagram of the structure at F in the middle;

[0039] Fig.14 This is a schematic diagram of the distribution of the movable ball, the air nozzle, and the elastic support rod of the present invention;

[0040] Fig.15 It is a schematic diagram of the dust filtering mechanism of the present invention;

[0041] Fig.16 This is a schematic diagram of the connection between the primary air pump and the secondary air pump of the present invention.

[0042] In the figure: a rearview mirror bracket 1, a rearview mirror main seat body 2, a rear lower shell 3, a rear upper shell 4, a front shell 5, a lens 6, a connecting seat 7, a lens mounting seat 8, an electrically controlled rotating mechanism 9, an electric heating plate 10, a mounting block 11, a primary air duct 12, a secondary air duct 13, an air inlet hole 14, a primary through hole 15, a primary hemispherical groove 16, a secondary hemispherical groove 17, a through hole 18, a positioning groove 19, a mounting hole 20, a primary air pipe connecting port 21, a secondary air pipe connecting port 22, a movable ball 23, an air nozzle 24, an elastic support rod 25, a threaded hole 26, a dust filtering mechanism 27, a screw 28, a nut 29, a filter hole 30, a water-absorbing resin tube 31, a water-absorbing hole 32, a primary pipeline 33, a tertiary pipeline 34, a secondary pipeline 35, a quaternary pipeline 36, a primary air pump 37, a secondary air pump 38, a baffle 39, and a positioning screw 40. DETAILED DESCRIPTION

[0043] In order to make the purpose and technical solution of the present invention clearly and completely described, and the advantages more clearly understood, the embodiments of the present invention are further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, rather than all of the embodiments, and are only used to explain the embodiments of the present invention, and are not used to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0044] In the description of the present invention, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0045] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0046] For the purpose of simplicity and illustration, the principles of the embodiments are mainly described by reference to examples. In the following description, many specific details are proposed to provide a thorough understanding of the embodiments. However, it is obvious that for those of ordinary skill in the art, these embodiments may not be limited to these specific details in practice. In some instances, known methods and structures are not described in detail to avoid making these embodiments unnecessarily difficult to understand. In addition, all embodiments can be used in combination with each other.

[0047] See also Figure 1-16 The present invention provides the following five preferred embodiments:

[0048] Embodiment 1, a left rearview mirror assembly for a vehicle, the left rearview mirror assembly for a vehicle comprises a rearview mirror bracket 1, a rearview mirror main seat body 2, a rear lower shell 3, a rear upper shell 4, a front shell 5, a lens 6 and an electric heating plate 10, the rearview mirror bracket 1 is fixedly connected to the vehicle, the rearview mirror main seat body 2 is rotatably connected to the rearview mirror bracket 1 through an electrically controlled rotating mechanism 9, a connecting seat 7 is fixedly installed on the front end surface of the rearview mirror main seat body 2, a lens mounting seat 8 is fixedly connected to the front end surface of the connecting seat 7, the rear lower shell 3 is fixedly connected to the lower end of the rear side of the rearview mirror main seat body 2, the rear upper shell 4 is located at the upper end of the rear side of the rear view mirror main seat body 2, and the lower side end of the rear upper shell 4 is fixedly connected to the upper side end of the rear lower shell 3, the rear side end of the front shell 5 is fixedly connected to the front side ends of the rear lower shell 3 and the rear upper shell 4, the lens 6 is fixedly connected to the lens mounting seat 8, and the electric heating plate 10 is arranged between the lens 6 and the lens mounting seat 8.

[0049] The electric heating plate 10 is electrically connected to the car power supply, and a temperature sensor is arranged on the lens mounting seat 8. The temperature sensor is connected to the control module in the car through a reserved line. By arranging a left rearview mirror assembly of the car composed of a rearview mirror bracket 1, a rearview mirror main seat body 2, a rear lower shell 3, a rear upper shell 4, a front shell 5, a lens 6 and an electric heating plate 10, the electric heating plate 10 can be arranged to effectively avoid fogging of the lens 6 and residual water stains that affect the observation clarity of the lens 6.

[0050] Embodiment 2, on the basis of embodiment 1, a mounting groove is provided on the inner side wall of the front housing 5 near the upper edge line, a mounting block 11 is embedded and installed in the mounting groove, a primary hemispherical groove 16 is provided at the bottom of the mounting groove, a secondary hemispherical groove 17 is provided on the mounting block 11, the primary hemispherical groove 16 and the secondary hemispherical groove 17 are arranged correspondingly, and the corresponding primary hemispherical groove 16 and the secondary hemispherical groove 17 are combined to form a spherical groove, a primary air duct 12 and a secondary air duct 13 are provided at a position corresponding to the mounting groove on the front housing 5, an air inlet 14 is provided on the side of the primary air duct 12, and the end of the primary air duct 12 is connected to a primary air pipe connection port 21, and the end of the secondary air duct 13 is connected to a secondary air pipe connection port 22, and the primary hemispherical groove 16 is connected to the secondary air pipe connection port 22 through the primary through hole 15 is connected with the secondary airway 13, a through hole 18 is opened at the lower side port of the secondary hemispherical groove 17, and an active ball 23 is installed in the primary hemispherical groove 16 and the secondary hemispherical groove 17. The active ball 23 is hollow, and an air nozzle 24 is integrally formed on the lower end surface of the active ball 23. The air nozzle 24 is connected with the primary through hole 15 through the inner cavity of the active ball 23. When the air nozzle 24 is actually installed, the port of the air nozzle 24 is set toward the upper side line of the lens 6, and the angle between the port of the air nozzle 24 and the lens 6 is less than 10 degrees. The primary air pipe connecting port 21 and the secondary air pipe connecting port 22 are connected by a primary pipeline 33, a primary air pump 37, and a secondary pipeline 35. When the primary air pump 37 is running, the gas in the pipeline flows from the primary pipeline 33 to the secondary pipeline 35.

[0051] A screw hole is provided at the bottom of the mounting groove, a mounting hole 20 is provided on the mounting block 11, the screw hole and the secondary airway 13, the primary through hole 15, and the primary hemispherical groove 16 are staggered, the mounting hole 20 and the through hole 18 are staggered, the screw hole and the mounting hole 20 are correspondingly arranged, the mounting block 11 is positioned in the mounting groove by the positioning screw 40, the mounting block 11 is installed in the mounting groove of the front housing 5, and the primary hemispherical groove 16 is provided at the bottom of the mounting groove, and the secondary hemispherical groove 16 is provided on the mounting block 11 shaped groove 17, and a primary air duct 12 and a secondary air duct 13 are opened on the front shell body 5, and an air inlet 14 is opened on the side of the primary air duct 12, and an air nozzle 24 is arranged on the movable ball 23 in the primary hemispherical groove 16 and the secondary hemispherical groove 17, and the primary air pump 37 circulates the gas, so that the air nozzle 24 blows air toward the surface of the lens 6, so that the water adhered to the lens 6 can be left behind faster, and the residual amount of water stains on the lens 6 is reduced, thereby improving the drying efficiency of the electric heating plate 10 for water stains.

[0052] Embodiment 3, on the basis of embodiment 2, the movable ball 23 is movably installed between the primary hemispherical groove 16 and the secondary hemispherical groove 17, the through hole 18 is arranged in a trumpet shape, and an elastic support rod 25 is integrally formed on the side wall of the movable ball 23, the movable ball 23 and the air nozzle 24 are arranged in the opposite direction, and the elastic support rod 25 is arranged around the circumference of the air nozzle 24, the elastic support rod 25 is cast from spring steel, and the elastic support rod 25 is arranged in an outwardly expanding arc shape, the upper side of the secondary airway 13 is provided with a clamping groove 19, and the clamping groove 19 is arranged coaxially with the primary through hole 15, and when the movable ball 23 is actually installed, the end of the elastic support rod 25 The movable ball 23 is embedded in the positioning groove 19, and at this time, when the elastic support rod 25 is in a compressed state, the air nozzle 24 is movably arranged in the through hole 18, the port cross-section of the through hole 18 is a straight slot, and the diameter value of the air nozzle 24 is consistent with the width value of the port cross-section of the through hole 18. By arranging the through hole 18 in a trumpet shape and arranging the elastic support rod 25 on the side wall of the movable ball 23, the movable ball 23 can produce reciprocating deflection under the mechanical vibration of the vehicle operation through the elastic support effect of the elastic support rod 25, thereby increasing the coverage area of ​​the air nozzle 24 blowing air to the lens 6, thereby further improving the effect of blowing away the water on the lens 6.

[0053] Embodiment 4, on the basis of embodiment 3, a baffle 39 is integrally formed at the upper side edge position of the front shell 5, the baffle 39 is arranged directly in front of the air inlet 14, a threaded hole 26 is opened at the port position of the air inlet 14, a dust filtering mechanism 27 is installed in the threaded hole 26, the dust filtering mechanism 27 is composed of a screw rod 28 and a nut 29, the screw rod 28 is hollow, and filter holes 30 are evenly opened on the nut 29, the dust filtering mechanism 27 and the baffle 39 are arranged to reduce the entry of water and dust into the air inlet 14.

[0054] A water-absorbing resin tube 31 is arranged in the cavity of the screw rod 28, and water-absorbing holes 32 are evenly opened on the side wall of the water-absorbing resin tube 31. When the dust filtering mechanism 27 is actually installed, the inner end of the water-absorbing resin tube 31 is set against the bottom of the threaded hole 26, and the contact surface between the water-absorbing resin tube 31 and the nut 29 is provided with an air-avoiding chamfer.

[0055] Embodiment 5, on the basis of embodiment 4, the port of the primary air pipe connection port 21 is connected to the first electromagnetic three-way valve, the other two ports of the first electromagnetic three-way valve are respectively connected to the primary pipeline 33 and the tertiary pipeline 34, the port of the secondary air pipe connection port 22 is connected to the second electromagnetic three-way valve, the other two ports of the second electromagnetic three-way valve are respectively connected to the secondary pipeline 35 and the quaternary pipeline 36, a secondary air pump 38 is connected between the tertiary pipeline 34 and the quaternary pipeline 36, when the secondary air pump 38 is running, the gas in the quaternary pipeline 36 flows into the tertiary pipeline 34, the primary air pump 37 and the secondary air pump 38 are both installed on the rearview mirror main seat body 2, the primary air pump 37, the secondary air pump 38, the first electromagnetic three-way valve, and the second electromagnetic three-way valve are all connected to the PLC control module of the car by electrical signals, through the back-blowing effect of the secondary air pump 38 and the heating effect of the electric heating plate 10, the hot air is allowed to flow into the water-absorbing resin tube 31 on the dust filter mechanism 27, thereby achieving the purpose of drying the water-absorbing resin tube 31.

[0056] A method for using a left rearview mirror assembly for a car is used to control the above-mentioned left rearview mirror assembly for a car. The method for using the left rearview mirror assembly for a car is as follows: when it rains, the first-stage air pump 37 is operated, thereby driving gas to flow in from the air inlet 14, and blowing air to the surface of the lens 6 through the air nozzle 24, so that the water adhering to the lens 6 can be accelerated to stay, and then the heating effect of the electric heating plate 10 is used to allow the small amount of water remaining on the lens 6 to evaporate quickly, thereby ensuring the observation clarity of the lens 6.

[0057] Although the above describes the illustrative specific implementation methods of the present application so that technicians in this technical field can understand the present application, the present application is not limited to the scope of the specific implementation methods. For ordinary technicians in this technical field, as long as various changes are within the spirit and scope of the present application defined and determined by the attached claims, all application creations using the concept of the present application are protected.

Claims

1. A left rearview mirror assembly for a vehicle, characterized in that: The automobile left rearview mirror assembly comprises: A rearview mirror bracket (1), wherein the rearview mirror bracket (1) is fixedly connected to the vehicle; A rearview mirror main body (2), the rearview mirror main body (2) being rotatably connected to the rearview mirror bracket (1) via an electrically controlled rotating mechanism (9), a connecting seat (7) being fixedly mounted on the front end surface of the rearview mirror main body (2), and a lens mounting seat (8) being fixedly connected to the front end surface of the connecting seat (7); A rear lower shell (3), the rear lower shell (3) being fixedly connected to the lower end of the rear side of the rearview mirror main seat body (2); A rear upper shell (4), the rear upper shell (4) being located at the upper end of the rear side of the rearview mirror main seat (2), and the lower side end of the rear upper shell (4) being fixedly connected to the upper side end of the rear lower shell (3); A front housing (5), the rear side end of the front housing (5) being fixedly connected to the front side ends of the rear lower housing (3) and the rear upper housing (4); A lens (6), wherein the lens (6) is fixedly connected to a lens mounting seat (8); An electric heating plate (10), wherein the electric heating plate (10) is arranged between the lens (6) and the lens mounting seat (8); The electric heating plate (10) is electrically connected to a car power supply, and a temperature sensor is provided on the lens mounting seat (8), and the temperature sensor is electrically connected to a control module in the car through a reserved line; The inner side wall of the front housing (5) is provided with a mounting groove at a position close to the upper edge line, and a mounting block (11) is embedded and installed in the mounting groove. The bottom of the mounting groove is provided with a primary hemispherical groove (16), and the mounting block (11) is provided with a secondary hemispherical groove (17). The primary hemispherical groove (16) and the secondary hemispherical groove (17) are arranged correspondingly, and the corresponding primary hemispherical groove (16) and the secondary hemispherical groove (17) are combined to form a spherical groove opening. The front housing (5) is provided with a primary air duct (12) and a secondary air duct (13) at a position corresponding to the mounting groove, and an air inlet hole (14) is provided on the side of the primary air duct (12). The end of the primary airway (12) is connected to a primary air pipe connection port (21), the end of the secondary airway (13) is connected to a secondary air pipe connection port (22), the primary hemispherical groove (16) is connected to the secondary airway (13) via the primary through hole (15), the lower side port of the secondary hemispherical groove (17) is provided with a through hole (18), and movable balls (23) are installed in the primary hemispherical groove (16) and the secondary hemispherical groove (17), the movable balls (23) are hollow, and the lower end surface of the movable balls (23) is integrally formed with an air nozzle (24), and the air nozzle (24) is connected to the primary through hole (15) via the inner cavity of the movable ball (23); When the air nozzle (24) is actually installed, the port of the air nozzle (24) is arranged toward the upper side edge of the lens (6), and the angle between the port of the air nozzle (24) and the lens (6) is less than 10 degrees. The primary air pipe connecting port (21) and the secondary air pipe connecting port (22) are connected via a primary pipeline (33), a primary air pump (37), and a secondary pipeline (35). When the primary air pump (37) is in operation, the gas in the pipeline flows from the primary pipeline (33) to the secondary pipeline (35); The bottom of the mounting groove is provided with a screw hole, the mounting block (11) is provided with a mounting hole (20), the screw hole and the secondary airway (13), the primary through hole (15), and the primary hemispherical groove (16) are staggered, the mounting hole (20) and the through hole (18) are staggered, the screw hole and the mounting hole (20) are arranged correspondingly, and the mounting block (11) is positioned in the mounting groove by a positioning screw (40); The movable ball (23) is movably mounted between the primary hemispherical groove (16) and the secondary hemispherical groove (17); the through hole (18) is arranged in a trumpet shape; an elastic support rod (25) is integrally formed on the side wall of the movable ball (23); the movable ball (23) and the air nozzle (24) are arranged in opposite directions; and the elastic support rod (25) is arranged in a circle around the air nozzle (24); the elastic support rod (25) is cast from spring steel, and is arranged in an outwardly expanding arc shape; the secondary airway (13 ) is provided with a locking groove (19) on the upper side thereof, the locking groove (19) being coaxially arranged with the primary through hole (15); when the movable ball (23) is actually installed, the end of the elastic support rod (25) is embedded in the locking groove (19); at this time, when the elastic support rod (25) is in a compressed state, the air nozzle (24) is movably arranged in the through hole (18); the port cross section of the through hole (18) is a straight slot, and the diameter value of the air nozzle (24) is consistent with the width value of the port cross section of the through hole (18).

2. The left rearview mirror assembly for a vehicle according to claim 1, characterized in that: A baffle (39) is integrally formed at the upper side edge of the front housing (5); the baffle (39) is arranged directly in front of the air inlet (14); a threaded hole (26) is provided at the port of the air inlet (14); a dust filter mechanism (27) is installed in the threaded hole (26); the dust filter mechanism (27) is composed of a screw rod (28) and a nut (29); the screw rod (28) is hollow, and the nut (29) is evenly provided with filter holes (30).

3. The left rearview mirror assembly for a vehicle according to claim 2, characterized in that: A water-absorbing resin tube (31) is arranged in the cavity of the screw rod (28), and water-absorbing holes (32) are evenly arranged on the side wall of the water-absorbing resin tube (31). When the dust filtering mechanism (27) is actually installed, the inner end of the water-absorbing resin tube (31) is arranged to abut against the bottom of the threaded hole (26), and the contact surface between the water-absorbing resin tube (31) and the nut (29) is provided with a chamfer to avoid air.

4. The left rearview mirror assembly for an automobile according to claim 3, characterized in that: The port of the primary air pipe connection port (21) is connected to a first electromagnetic three-way valve, and the other two ports of the first electromagnetic three-way valve are respectively connected to a primary pipeline (33) and a tertiary pipeline (34). The port of the secondary air pipe connection port (22) is connected to a second electromagnetic three-way valve, and the other two ports of the second electromagnetic three-way valve are respectively connected to a secondary pipeline (35) and a quaternary pipeline (36). A secondary air pump (38) is connected between the tertiary pipeline (34) and the quaternary pipeline (36). When the secondary air pump (38) is in operation, the gas in the quaternary pipeline (36) flows into the tertiary pipeline (34). The primary air pump (37) and the secondary air pump (38) are both mounted on the rearview mirror main seat body (2). The primary air pump (37), the secondary air pump (38), the first electromagnetic three-way valve, and the second electromagnetic three-way valve are all connected to the PLC control module of the vehicle by electrical signals.

5. A method for using a left rearview mirror assembly for a vehicle, characterized in that: The method for using the left rearview mirror assembly of a vehicle is used to control the left rearview mirror assembly of a vehicle as claimed in claim 4. The method for using the left rearview mirror assembly of a vehicle is as follows: when it is raining, the primary air pump (37) is operated to drive gas to flow into the air inlet (14) and blow air to the surface of the lens (6) through the air nozzle (24), so that water adhering to the lens (6) can be quickly retained, and then the small amount of water remaining on the lens (6) can be quickly evaporated through the heating effect of the electric heating plate (10), thereby ensuring the observation clarity of the lens (6).

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