JP2012236534A - Side mirror - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a side mirror that can discharge traveling wind taken in from a traveling wind inlet port which is opened on a surface of a vehicle front in the side mirror toward a vehicle rear.SOLUTION: The side mirror 1 includes: a mirror surface 11 for a driver to view the vehicle rear; a side mirror cover 12 that holds the mirror surface 11 in the vehicle front; the traveling wind inlet port 13 that is opened on the surface of the vehicle front of the side mirror cover 12 and takes in the traveling wind generated by vehicle traveling; a traveling wind outlet port 14 that is opened at an upper side of the mirror surface 11 of the vehicle on the surface of the vehicle rear in the side mirror cover 12, and discharges the traveling wind taken in from the traveling wind inlet port 13 toward the vehicle rear; and a communication passage 15 that makes the traveling wind inlet port 13 linearly communicate with the traveling wind outlet port 14 from the vehicle front toward the vehicle rear.

Description

  The present invention relates to a side mirror, and more particularly, to a side mirror capable of exhausting traveling wind taken from a traveling wind intake opening in a front side surface of the side mirror toward the rear of the vehicle without waste.

  An air suction port is formed on the front side of the vehicle and an air discharge port is formed on the rear side of the vehicle, and the traveling wind is taken from the air suction port, and the airflow is jetted from the air discharge port to the mirror surface to adhere to the mirror surface while the vehicle is traveling. A rearview mirror that removes raindrops has been proposed (Patent Document 1).

Japanese Utility Model Publication No. 60-58448

  However, in the rearview mirror, the flow path connecting the air inlet and the air outlet is bent in an arc shape, so that the flow velocity of the air flow taken in from the air inlet is within the flow path. Therefore, the air flow may not be stably ejected from the air outlet toward the mirror surface.

  The present invention has been made to solve the above-described problem, and allows the traveling wind taken from the traveling wind intake opening opened on the front surface of the vehicle in the side mirror to be discharged toward the rear of the vehicle without waste. The purpose is to provide a side mirror.

  The invention according to claim 1 relates to a side mirror, and includes a mirror surface for a driver to look at the rear of the vehicle, a side mirror cover for holding the mirror surface in front of the vehicle, and an opening on the front surface of the side mirror cover. A running wind intake port for taking in a running wind associated with vehicle running, and an opening on at least one of the vehicle upper side and the vehicle lower side of the mirror surface on the vehicle rear side surface of the side mirror cover, and the running wind intake port A driving wind exhaust port for discharging the driving wind taken in from the rear of the vehicle, and a communication channel that linearly connects the driving wind intake port and the driving wind discharge port from the front of the vehicle to the rear of the vehicle. It is characterized by providing.

  In the side mirror according to the first aspect, the traveling wind taken from the traveling wind intake port is ejected from the traveling wind discharge port toward the rear of the vehicle through the communication channel. Here, since the traveling wind discharge port is opened above the mirror surface with respect to the mirror surface, the portion near the traveling wind discharge port on the mirror surface becomes negative pressure due to the airflow ejected from the traveling wind and rain discharge port, particularly during high-speed traveling. . As a result, raindrops adhering to the mirror surface while the vehicle is running are sucked upward and removed from the vehicle.

  According to a second aspect of the present invention, in the side mirror according to the first aspect, an opening area of the traveling wind discharge port is smaller than an opening area of the traveling wind intake port.

  In the side mirror according to claim 2, since the opening area of the traveling wind discharge port is smaller than the opening area of the traveling wind intake port, the flow velocity of the traveling wind taken in from the traveling wind intake port is larger. The flow velocity of the air flow ejected from the traveling wind discharge channel is higher.

  According to a third aspect of the present invention, in the side mirror according to the second aspect, the communication flow path connecting the traveling wind intake port and the traveling wind exhaust port has a dimension in the vehicle up-down direction. It is formed so that it may reduce toward the said driving | running | working wind discharge port from a slot.

  In the side mirror according to claim 3, the traveling wind taken in from the traveling wind intake port is accelerated in the communication flow path and discharged from the traveling wind discharge port toward the rear of the vehicle.

  According to the first aspect of the present invention, since the communication channel is linearly formed from the traveling wind intake port toward the traveling wind discharge port, the traveling wind taken from the traveling wind intake port is A side mirror that can be discharged without waste from the traveling wind outlet is provided.

  According to the invention of claim 2, since the flow velocity of the airflow ejected from the traveling wind discharge channel is higher than the flow velocity of the traveling wind taken in from the traveling wind intake port, the traveling wind discharge port Compared with a side mirror having the same opening area between the traveling wind intake port and the traveling wind intake port, a side mirror is provided that has a higher raindrop suction effect due to the negative pressure in the vicinity of the traveling wind exhaust port on the mirror surface.

  According to the invention of claim 3, since the traveling wind taken in from the traveling wind intake port is accelerated in the communication flow path and discharged from the traveling wind discharge port toward the rear of the vehicle, A side mirror is provided in which the raindrop suction effect due to the negative pressure in the vicinity of the discharge port is higher than the side mirror in which the dimension of the communication channel in the vertical direction of the vehicle does not change from the front of the vehicle toward the rear of the vehicle.

FIG. 1 is a rear view of the side mirror according to the first embodiment as viewed from the front of the vehicle. FIG. 2 is a front view showing the side mirror according to the first embodiment as viewed from the rear of the vehicle. FIG. 3 is a partial cross-sectional view of the side mirror according to the first embodiment cut along a plane along the vehicle front-rear direction. FIG. 4 is a perspective view showing the side mirror according to the first embodiment as viewed from the rear of the vehicle.

1. Embodiment 1
Hereinafter, an example of the side mirror according to the present invention will be described. In FIG. 1 and subsequent figures, an arrow UP, an arrow DN, an arrow FR, an arrow RE, an arrow IN, and an arrow OUT indicate a vehicle upper side, a vehicle lower side, a vehicle front side, a vehicle rear side, a vehicle inner side, and a vehicle outer side, respectively. An arrow W indicates the vehicle width direction.
As shown in FIGS. 1-4, the side mirror 1 of Embodiment 1 is attached to the door or fender of a vehicle, Comprising: The mirror surface 11 for a driver | operator to confirm the vehicle back, and the mirror surface 11 are vehicles. A side mirror cover 12 held on the front side, a traveling wind inlet 13 opened in a slit shape along the vehicle width direction on the surface of the side mirror cover 12 on the vehicle front side, and a vehicle with a mirror surface 11 on the side mirror cover 12 A traveling wind discharge port 14 opened in a slit shape along the vehicle width direction on the upper side, and a communication flow path 15 communicating the traveling wind intake port 13 and the traveling wind discharge port 14 are provided.

  As shown in FIGS. 1 and 2, the traveling wind intake port 13 and the traveling wind discharge port 14 have substantially the same width in the vehicle width direction, but the vertical dimension of the vehicle is larger than that of the traveling wind discharge port 14. Is smaller than the traveling wind inlet 13. In addition, as shown in FIG. 3, the communication flow path 15 is formed so as to linearly connect the travel wind intake port 13 and the travel wind discharge port 14, and the travel wind intake port 13 can travel from the travel wind intake port 13. It is formed so that the dimension in the vehicle vertical direction decreases toward the discharge port 14. In the example shown in FIG. 3, the communication flow path 15 is formed so as to incline upward in the vehicle toward the traveling wind outlet 14, but the communication flow path 15 is formed horizontally along the vehicle front-rear direction. Alternatively, it may be formed so as to incline downward toward the traveling wind discharge port 14. Further, in the example shown in FIG. 3, both the upper wall 15A and the lower wall 15B of the communication flow path 15 are planar, but the upper wall 15A faces the vehicle lower side and the lower wall 15B faces the vehicle upper side. You may form the communication flow path 15 so that it may curve.

  As shown in FIGS. 1, 2, and 4, an arm-like member 17 for fixing the side mirror 1 to the vehicle (not shown) is formed inside the side mirror cover 12. A mechanism for adjusting the angle of the side mirror 1 with respect to the vehicle can be provided inside the arm-shaped member 17 or between the arm-shaped member 17 and the side mirror cover 12.

  When the vehicle travels, traveling wind is taken from the traveling wind intake 13. The traveling wind taken in by the traveling wind intake port 13 is discharged from the traveling wind exhaust port 14 toward the rear of the vehicle through the communication channel 15 as shown by an arrow a in FIGS. 3 and 4.

  Here, as described above, the traveling wind discharge port 14 has a vehicle vertical dimension smaller than the traveling wind intake port 13, and the communication channel 15 extends from the traveling wind intake port 13 to the traveling wind discharge port 14. The size in the vertical direction of the vehicle is reduced toward the vehicle.

  Therefore, the traveling wind taken in from the traveling wind inlet 13 is accelerated in the communication flow path 15 and discharged from the traveling wind outlet 14. For this reason, the portion of the mirror surface 11 in the vicinity of the traveling wind outlet 14 has a negative pressure, so that the raindrops adhering to the mirror surface 11 are sucked up and removed toward the top of the vehicle as shown by the arrow b in FIG. .

DESCRIPTION OF SYMBOLS 1 Side mirror 11 Mirror surface 12 Side mirror cover 13 Running wind intake 14 Running wind discharge 15 Communication flow path

Claims (3)

A mirror surface for the driver to check the rear of the vehicle,
A side mirror cover for holding the mirror surface in front of the vehicle;
A running wind intake opening that opens on the vehicle front side surface of the side mirror cover and takes in the running wind accompanying the vehicle running,
A running wind exhaust opening that opens to at least one of the vehicle upper side and the vehicle lower side of the mirror surface on the vehicle rear side surface of the side mirror cover and discharges the running wind taken from the running wind intake port to the rear of the vehicle; ,
A communication channel that linearly communicates the traveling wind intake port and the traveling wind discharge port from the front of the vehicle to the rear of the vehicle;
Side mirror equipped with. The side mirror according to claim 1, wherein an opening area of the traveling wind outlet is smaller than an opening area of the traveling wind inlet. The communication flow path that connects the traveling wind intake port and the traveling wind discharge port is formed such that the vertical dimension of the vehicle decreases from the traveling wind intake port toward the traveling wind discharge port. The side mirror according to claim 2.

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