An automotive exterior rearview mirror

Abstract

The present invention relates to an external rearview mirror for an automobile, which comprises a base and a rearview mirror body; a connecting arm extending outward is formed on the rearview mirror body, and a cavity communicating with the inside of the rearview mirror body is provided on the connecting arm. The cavity is used for connecting the base, and a baffle plate installed in the cavity is provided on the connecting arm. A jack for connecting the base is provided on the baffle plate. The present invention can effectively avoid noise, improve the comfort of the driver and passengers, and extend the service life of the external rearview mirror.

Description

Technical Field

[0001] The present invention belongs to the technical field of rearview mirrors, and particularly relates to an external rearview mirror for an automobile. Background Art

[0002] Generally, a rearview mirror is provided on the front side of an automobile cab. Through the rearview mirror, a driver can observe the conditions of the road surface behind and below the automobile, so that the driver can make correct operations according to the actual road conditions and reduce the accident rate.

[0003] In the prior art, when an automobile is in motion, when air flow passes through the external rearview mirror, it is easy to generate wind noise through the gaps on the external rearview mirror. In addition, currently, most external rearview mirrors of automobiles integrate turn signals, and the wire harness plugs connected to the turn signals are not fixed inside and will constantly shake and generate abnormal noises during the driving of the vehicle. These wind noises and abnormal noises will not only affect the comfort of the passengers and drivers, but also affect the service life of the external rearview mirror. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide an external rearview mirror for an automobile with a reasonable structural design, which can effectively avoid noises, improve the comfort of passengers and drivers, and extend the service life of the external rearview mirror in view of the above defects.

[0005] The technical solution adopted by the present invention to solve its technical problems is as follows:

[0006] An external rearview mirror for an automobile includes a base and a rearview mirror body; a connecting arm extending outward is formed on the rearview mirror body, and a cavity communicating with the inside of the rearview mirror body is formed on the connecting arm. The cavity is used to connect the base, and a baffle is provided on the connecting arm and installed in the cavity. A jack for connecting the base is provided on the baffle.

[0007] Further, a hook is provided at one end of the baffle, a positioning hole is provided at the other end, a snap ring engaged with the hook and a positioning post opposite to the positioning hole are provided on the inner wall of the connecting arm, and the positioning hole and the positioning post are connected by a screw.

[0008] Further, a socket is provided inside the rearview mirror body. A slot is formed on the surface of the socket, and the slot penetrates through opposite ends of the socket. Side plates are provided on the socket on opposite sides of the slot, and a limiting block is provided at the end of the side plate above the slot.

[0009] Further, the rearview mirror body includes a mirror surface, a housing, a turn signal and a bracket. The connecting arm is located on the housing, the bracket is arranged inside the housing, the mirror surface and the turn signal are both arranged on the housing and are fixedly connected to the bracket; the socket is arranged on the bracket.

[0010] Further, one side of the bracket is provided with a guide post located at the cavity of the connecting arm. An axial hole is formed in the guide post, a side hole is formed at the top of the guide post, and an arc-shaped groove is formed on the bottom surface of the guide post on the outer peripheral surface of the axial hole. A plurality of raised blocks are arranged on the bottom surface of the guide post outside the arc-shaped groove, and the plurality of raised blocks are arranged at intervals.

[0011] Further, the base includes a bottom plate, a base, a support column and a vertical column. The support column is arranged on one side surface of the base and is inserted into the cavity of the connecting arm. The vertical column is arranged on the end surface of the support column and is located in the axial hole of the guide post. A plurality of recessed grooves for accommodating the raised blocks are further arranged on the end surface of the support column, and a positioning block inserted into the arc-shaped groove is provided. The bottom plate is arranged on the other side surface of the base and is connected by fasteners.

[0012] Further, a receiving groove for accommodating a wire harness is arranged on the surface of the support column, a wire passing hole communicating with the receiving groove is arranged on the vertical column, and the wire passing hole penetrates through opposite ends of the vertical column. Through holes for the wire harness to pass through are arranged on both the base and the bottom plate.

[0013] Further, a plurality of tightening strips for fastening the wire harness are arranged on the surface of the bottom plate, and the plurality of tightening strips are arranged along the circumferential side of the through hole. A distance is arranged between every two adjacent tightening strips. One ends of the plurality of tightening strips are fixed on the bottom plate, and the other ends contract towards the axis of the through hole.

[0014] Further, a positioning protrusion is formed on the surface of the bottom plate.

[0015] The beneficial effects of the present invention are as follows:

[0016] (1) In the present invention, on the one hand, the baffle can greatly reduce the gap between the rearview mirror and the base, and even eliminate this gap. In this way, during the driving of the vehicle, the airflow cannot penetrate into this gap, thereby eliminating the noise caused by wind noise, greatly improving the comfort of the passengers and the service life of the rearview mirror; on the other hand, it can make the connection structure between the rearview mirror and the base more stable, and the structural design is reasonable.

[0017] (2) In the present invention, the baffle is fixedly connected to the connecting arm through a hook and a positioning hole, and the disassembly and assembly are convenient. The hook is preferentially fixed to the snap ring, and then the screw is screwed into the positioning hole and the positioning post to realize the installation of the baffle. The structural design is reasonable and the installation is firm.

[0018] (3) In the present invention, the wire harness connector of the turn signal is installed on the socket, and the wire harness connector is fixed in the slot through the side plate and the limiting block. In this way, during the driving of the vehicle, the wire harness connector will not shake, thereby avoiding the abnormal noise generated by hitting the rearview mirror, improving the comfort of the passengers and the service life of the exterior rearview mirror. Description of the Drawings

[0019] The foregoing and other objects, features, and advantages of the present invention will become apparent from the following detailed description in conjunction with the accompanying drawings.

[0020] Figure 1 is a schematic structural diagram of the present invention;

[0021] Figure 2 is a schematic structural diagram of the rearview mirror body after hiding part of the housing of the present invention;

[0022] Figure 3 is a schematic structural diagram of the connection structure between the connecting arm and the baffle on the rearview mirror body of the present invention;

[0023] Figure 4 is a schematic structural diagram of the snap ring and the positioning post in the connecting arm of the present invention;

[0024] Figure 5 is a schematic structural diagram of the baffle of the present invention;

[0025] Figure 6 is a schematic structural diagram of the bracket of the present invention;

[0026] Figure 7 is a schematic structural diagram of the bracket from another perspective of the present invention;

[0027] Figure 8 is a schematic structural diagram of the bracket from yet another perspective of the present invention;

[0028] Figure 9 is a schematic structural diagram of the base in the present invention;

[0029] Figure 10 is a schematic structural diagram of the bottom plate of the present invention;

[0030] Figure 11 is a schematic connection diagram of the base and the bracket of the present invention;

[0031] Wherein: base 1, bottom plate 11, positioning protrusion 111, tightening strip 112, base 12, pillar 13, recessed groove 131, positioning block 132, receiving groove 133, upright post 14, wire passing hole 141, rearview mirror body 2, mirror surface 21, housing 22, connecting arm 221, cavity 222, snap ring 223, positioning post 224, turn signal lamp 23, bracket 24, guiding post 241, shaft hole 2411, side hole 2412, arc-shaped groove 2413, protruding block 2414, baffle 25, jack 251, catch 252, positioning hole 253, plug-in socket 26, slot 261, side plate 262, limiting block 263 Detailed implementation manners

[0032] The present invention will be further described below in conjunction with the accompanying drawings.

[0033] AsFigures 1 to 11 The vehicle exterior rearview mirror shown comprises a base 1 and a rearview mirror body 2. The rearview mirror body 2 is mounted on the base 1 and can rotate on the base 1 to facilitate the folding of the rearview mirror. The base is mounted on the vehicle body.

[0034] Specifically, the rearview mirror body 2 includes a mirror surface 21, a shell 22, a turn signal lamp 23 and a bracket 24. The bracket 24 is arranged in the shell 22. The mirror surface 21 and the turn signal lamp 23 are both arranged on the shell 22 and are fixedly connected to the bracket 24. A connecting arm 221 extending outward is formed at one end of the shell 22. The connecting arm 221 has a cavity 222 connected to the inside of the rearview mirror body 2. The cavity 222 is used to connect to the base 1. The connecting arm 221 is provided with a baffle 25 installed in the cavity 222. The baffle 25 is provided with a plug hole 251 for connecting to the base 1. The baffle 25 is used to reduce the gap between the rearview mirror body 2 and the base 1, so as to effectively prevent airflow from entering the inside of the rearview mirror body, thereby eliminating the noise caused by wind noise, so as to improve the comfort of the driver and the service life of the rearview mirror. A hook 252 is provided at one end of the baffle 25, and a positioning hole 253 is provided at the other end. A snap ring 223 engaged with the hook 252 and a positioning column 224 corresponding to the positioning hole 253 are provided on the inner wall of the connecting arm 221. The positioning hole 253 and the positioning column 224 are connected by screws, and the connection is firm and convenient for disassembly and assembly. A plug socket 26 installed on the bracket 24 is provided inside the rearview mirror body 2. A slot 261 is formed on the surface of the plug socket 26. The wiring harness connector connected to the turn signal is installed in the slot 261. The slot 261 runs through the left and right ends of the plug socket 26. The plug socket 26 is provided with side plates 262 located at the front and rear sides of the slot 261. The ends of the side plates 262 are provided with a stopper 263 located above the slot 261. The stopper 263 fixes the wiring harness connector in the slot 261 to prevent it from being separated from the slot, so that the wiring harness connector will not shake and eliminate the abnormal noise caused by it.

[0035] A guide column 241 is provided on one side of the bracket 24 and is located at the cavity 222 of the connecting arm 221. An axial hole 2411 is provided on the guide column 241, and a side hole 2412 is provided on the top of the guide column 241. An arc groove 2413 is provided on the bottom surface of the guide column 241 and is located on the outer peripheral surface of the axial hole 2411. A plurality of protrusion blocks 2414 are provided on the outside of the arc groove 2413 and are located on the bottom surface of the guide column 241, and the plurality of protrusion blocks 2414 are arranged at intervals.

[0036] The base 1 includes a bottom plate 11, a base 12, a support column 13 and a stand column 14. The support column 13 is arranged on one side surface of the base 12, and the stand column 14 is inserted into the cavity 222 of the connecting arm 221. The baffle 25 is sleeved on the outer wall of the support column 13. The stand column 14 is arranged on the end surface of the support column 13 and is located in the shaft hole 2411 of the guide column 241. On this end surface of the support column 13, there are also provided a plurality of recessed grooves 131 for accommodating the protruding blocks 2414, and a positioning block 132 inserted into the arc-shaped groove 2413. The rearview mirror body 2 can rotate around the support column 13 as the axis. After rotation, the protruding block 2413 is still inserted into the recessed groove 131, and the positioning block 132 can abut against both ends of the arc-shaped groove 2413 to limit the rotation amplitude of the rearview mirror body. The structural design is reasonable, the structure is compact, and the operation is convenient.

[0037] On the surface of the support column 13, there is provided a receiving groove 133 for accommodating the wire harness. On the stand column 14, there is provided a wire passing hole 141 communicating with the receiving groove 133. The wire passing hole 141 penetrates through the opposite ends of the stand column 14. Through holes for the wire harness to pass through are provided on both the base 12 and the bottom plate 11. The bottom plate 11 is arranged on the other side surface of the base 12 and is connected by fasteners (such as bolts). And a positioning protrusion 111 is formed on the surface of the bottom plate 11, which is convenient for quick positioning and connection with the vehicle body. On the surface of the bottom plate 11, there are provided a plurality of tightening strips 112 for fastening the wire harness. The tightening strips 112 have elasticity. The plurality of tightening strips 112 are arranged along the circumferential side of the through hole, so they are distributed on the circumferential side of the wire harness. There is a spacing between every two adjacent tightening strips, which is convenient for the retraction and release of each tightening strip. One ends of the plurality of tightening strips are fixed on the bottom plate, and the other ends contract towards the axis of the through hole. In this way, the wire harness can be tightly hugged to fix the position of the wire harness, and at the same time, it is also convenient to draw the wire harness. In this embodiment, the wire harness sequentially passes through the through holes on the bottom plate and the base and enters the receiving groove, then passes through the wire passing hole, enters the shaft hole of the guide column, and then passes through the side hole and is connected to the wire harness connector. The wire harness connection is clear, which is convenient for maintenance. At the same time, it can also prevent the wire harness from hitting the rearview mirror body and the base to generate abnormal noises, improving the comfort of the passengers and the service life of the exterior rearview mirror.

[0038] The above is only a preferred embodiment of the present invention, and does not impose any form of limitation on the present invention. Any simple modification or equivalent change made to the above embodiments based on the technical essence of the present invention falls within the protection scope of the present invention.

Claims

1. An external rearview mirror for an automobile, characterized in that: it includes a base and a rearview mirror body; a connecting arm extending outward is formed on the rearview mirror body, and a cavity communicating with the inside of the rearview mirror body is provided on the connecting arm. This cavity is used to connect to the base. A baffle is provided in the cavity of the connecting arm, and a jack for connecting to the base is provided on the baffle; a socket is provided inside the rearview mirror body. A slot is formed on the surface of the socket, and this slot runs through opposite ends of the socket. Side plates are provided on the socket on opposite sides of the slot, and limit blocks are provided at the ends of the side plates above the slot; the rearview mirror body includes a mirror surface, a housing, a turn signal, and a bracket. The connecting arm is located on the housing, the bracket is arranged inside the housing, the mirror surface and the turn signal are both arranged on the housing and are fixedly connected to the bracket; the socket is arranged on the bracket; a guide post is provided on one side of the bracket at the cavity of the connecting arm. A shaft hole is provided on the guide post, and a side hole is provided at the top of the guide post; the base includes a bottom plate, a base, a support column, and a column. The support column is arranged on one side surface of the base, and this support column is inserted into the cavity of the connecting arm. The column is arranged on the end surface of the support column and is located inside the shaft hole of the guide post. The bottom plate is arranged on the other side surface of the base; a receiving groove for accommodating a wire harness is provided on the surface of the support column. A wire passing hole communicating with the receiving groove is provided on the column, and this wire passing hole runs through opposite ends of the column. Through holes for the wire harness to pass through are provided on both the base and the bottom plate; a plurality of tightening strips for fastening the wire harness are provided on the surface of the bottom plate. The plurality of tightening strips are arranged along the circumferential side of the through hole. A spacing is provided between every two adjacent tightening strips. One ends of the plurality of tightening strips are fixed on the bottom plate, and the other ends contract towards the axis of the through hole; a positioning protrusion is formed on the surface of the bottom plate.

2. The external rearview mirror for an automobile according to claim 1, characterized in that: a hook is provided at one end of the baffle, a positioning hole is provided at the other end, a snap ring that engages with the hook, and a positioning post that is aligned with the positioning hole are provided on the inner wall of the connecting arm. The positioning hole and the positioning post are connected by a screw.

3. The external rearview mirror for an automobile according to claim 1, characterized in that: an arc-shaped groove is provided on the bottom surface of the guide post on the outer circumferential surface of the shaft hole. A plurality of raised blocks are provided on the bottom surface of the guide post outside the arc-shaped groove, and the plurality of raised blocks are arranged at intervals.

4. The external rearview mirror for an automobile according to claim 3, characterized in that: a plurality of recessed grooves for accommodating the raised blocks are further provided on the end surface of the support column, and a positioning block inserted into the arc-shaped groove is provided.

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