JP4280387B2 - Vehicle door mirror - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a vehicle door mirror in which a window is provided in a mirror housing and an actuator that swings and drives a mirror holder disposed in the window to hold the mirror is housed in the mirror housing.
[0002]
[Prior art]
Conventionally, such a door mirror is already known, for example, in Japanese Patent Laid-Open No. 7-104168.
[0003]
[Problems to be solved by the invention]
In the above conventional one, the bracket is attached to the inner surface of the mirror housing, and the actuator is attached to the bracket and accommodated in the mirror housing. In order to save the weight of the bracket and reduce the weight, An actuator in which the actuator is directly attached to the mirror housing from the window side is also realized.
[0004]
However, in the case where the actuator is directly attached to the mirror housing from the window side, the actuator is directly opposed to the mirror holder that holds the mirror, and a pivot portion for supporting the mirror in a swingable manner is provided on the actuator. It must be provided. For this reason, due to variations in the dimensions of the actuator and the mirror housing, errors in assembly of the actuator to the mirror housing, etc., the positional relationship of the pivot portion with respect to the window of the mirror housing may vary. The interval between the outer peripheral part of the mirror holder and the inner peripheral part of the window may become uneven in the circumferential direction, which may lead to a decrease in merchantability.
[0005]
The present invention has been made in view of such circumstances, and provides a vehicle door mirror capable of making the distance between the outer peripheral portion of the mirror and the inner peripheral portion of the window uniform in the circumferential direction while reducing the weight. The purpose is to provide.
[0006]
[Means for Solving the Problems]
In order to achieve the above object, the invention according to claim 1 is for a vehicle in which a window is provided in a mirror housing, and an actuator that swings and drives a mirror holder that is arranged in the window and holds the mirror is housed in the mirror housing. In the door mirror, a support plate portion that directly supports the mirror holder so as to be swingable is provided integrally with the main housing having the window so as to face the mirror holder, and the back surface of the mirror holder is provided at two different locations. The actuator constituted by fixing two drive parts that can be pressed to a common attachment member is attached to the support plate part from the side opposite to the mirror holder, and protrudes from each drive part so as to be able to advance and retreat in the axial direction. shaft to be found is swingably connected to said mirror holder, constitutes the mirror housing in cooperation with said main housing That sub housing, characterized in that it is fixed to the main housing covering the actuator.
[0007]
According to such a configuration, since the mirror holder that holds the mirror is directly supported by the support plate unit that is integral with the main housing so as to be able to swing, the position of the swing support part of the mirror holder relative to the window is accurate. It will be fixed at a certain level. Therefore, the merchantability can be improved by making the distance between the outer peripheral part of the mirror holder arranged in the window and the inner peripheral part of the window uniform in the circumferential direction in any door mirror. In addition, since the support plate portion is not attached to the main housing but is provided integrally with the main housing, the weight can be reduced compared to the case where the bracket is attached, and the actuator is mirrored together with the main housing. Since it is covered with the sub-housing constituting the housing, it is housed in the mirror housing.
[0008]
According to a second aspect of the present invention, in addition to the configuration of the first aspect of the invention, the main housing having an opening that is closed by the sub-housing includes the support plate, the peripheral edge of the opening, and the A plurality of ribs connecting the peripheral edge portions of the support plate portion are integrally provided. According to such a configuration, the rigidity of the main housing, that is, the mirror housing can be improved by the ribs. The thickness of the main housing is not partially increased, and the occurrence of sink marks due to the partial increase in thickness can be prevented.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below based on one embodiment of the present invention shown in the accompanying drawings.
[0010]
1 to 3 show an embodiment of the present invention. FIG. 1 is a cross-sectional view of a vehicle door mirror, FIG. 2 is a cross-sectional view taken along line 2-2 of FIG. 1, and FIG. It is a 3 line expanded sectional view.
[0011]
1 to 3, this vehicle door mirror includes a mirror housing 5 made of synthetic resin attached to a front door of the vehicle, and a mirror held by a mirror holder 7 disposed in a window 6 provided in the mirror housing 5. 8 and an actuator 9 that can be driven to swing the mirror holder 7 and is housed in the mirror housing 5.
[0012]
The mirror housing 5 includes a main housing 10 attached to the front door, and a sub-housing 11 fixed to the main housing 10 by bonding, elastic engagement, or the like. 6 and an opening 12 covered with the sub-housing 11 is provided.
[0013]
The main housing 10 is integrally provided with a support plate portion 13 that supports the mirror holder 7 in a swingable manner so as to face the mirror holder 7, and the support plate portion 13 is provided in the opening 12. Placed in.
[0014]
A pivot ball 14 is integrally provided at the center of the back surface of the mirror holder 7, and a swing support that supports the mirror holder 7 in a swingable manner by elastically fitting the pivot ball 14 to the support plate portion 13. The part 15 is integrally formed.
[0015]
The peripheral portion of the support plate portion 13 and the peripheral portion of the opening portion 12 are connected to each other by a plurality of, for example, four ribs 16A, 16B, 16C, and 16D, and the support plate portion 13 and the ribs 16A to 16D are It is formed integrally with the main housing 10.
[0016]
The actuator 9 is shall consists of two driving units 17, 17 can be pressed in different two places the back of the mirror holder 7 fixed to the common mounting member, the support from the opposite side to the mirror holder 7 It is attached to the plate part 13. In addition, the tip ends of the shafts 18 and 18 that protrude from the respective drive units 17 and 17 so as to be able to advance and retreat in the axial direction are connected to the back surface of the mirror holder 7 so as to be swingable.
[0017]
The sub-housing 11 closes the opening 12 so as to cover the actuator 9 attached to the support plate 13, and the peripheral edge of the sub-housing 11 is fixed to the peripheral edge of the opening 12.
[0018]
Next, the operation of this embodiment will be described. The support plate portion 13 is provided integrally with the main housing 10 constituting the mirror housing 5 together with the sub housing 11 so as to face the mirror holder 13. Since the ball 14 is swingably supported by the swing support portion 14 of the support plate portion 13, the position of the swing support portion 14 relative to the window 6 can be determined accurately and constantly. Accordingly, the distance between the outer peripheral portion of the mirror holder 7 disposed in the window 6 and the inner peripheral portion of the window 6 can be made uniform in the circumferential direction with any door mirror, thereby improving the merchantability. Moreover, since the support plate portion 13 is not attached to the main housing 10 but is provided integrally with the main housing 10, the weight can be reduced as compared with the case where the bracket is attached.
[0019]
The actuator 9 attached to the support plate 13 from the opposite side of the mirror holder 7 is connected to the mirror holder 7 and the sub-housing 11 covers the actuator 9 and is fixed to the main housing 10. It is housed in the housing 5.
[0020]
Further, the main housing 10 having the opening 12 that is closed by the sub-housing 11 is integrally formed with the support plate 13 and a plurality of ribs 16 </ b> A to 16 </ b> D that connect the periphery of the opening 12 and the periphery of the support plate 13. Therefore, the rigidity of the main housing 10 made of synthetic resin, that is, the mirror housing 5 can be improved by the ribs 16A to 16D, and the ribs 16A to 16D can partially reduce the thickness of the main housing 10. The occurrence of sink marks due to a partial increase in wall thickness can be prevented.
[0021]
Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and various design changes can be made without departing from the present invention described in the claims. It is.
[0022]
【The invention's effect】
As described above, according to the first aspect of the present invention, since the mirror holder is swingably supported by the support plate portion integral with the main housing, the position of the swing support portion of the mirror holder with respect to the window is Therefore , the distance between the outer peripheral portion of the mirror holder and the inner peripheral portion of the window can be made uniform in the circumferential direction in any of the door mirrors, thereby improving the merchantability. Moreover, since the support plate portion is provided integrally with the main housing, the weight can be reduced as compared with the case where the bracket is attached, and the actuator is covered with the sub housing constituting the mirror housing. Will be stored.
[0023]
According to the second aspect of the present invention, it is possible to improve the rigidity of the main housing, that is, the mirror housing, while preventing the occurrence of sink marks in the main housing.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view of a vehicle door mirror.
2 is a cross-sectional view taken along line 2-2 of FIG.
3 is an enlarged sectional view taken along line 3-3 in FIG.
[Explanation of symbols]
5 ... Mirror housing 6 ... Window 7 ... Mirror holder 8 ... Mirror 9 ... Actuator 10 ... Main housing 11 ... Sub housing 12 ... Opening 13... Support plate portions 16A to 16D .. ribs
17 ... Drive unit
18 ... axis

Claims (2)

The mirror housing (5) is provided with a window (6), and an actuator (9) that swings and drives a mirror holder (7) that is disposed in the window (6) and holds the mirror (8) is provided in the mirror housing (5). In the vehicle door mirror stored in
The main housing (10) having the window (6) is integrally provided with a support plate portion (13) for directly supporting the mirror holder (7) so as to be swingable so as to face the mirror holder (7). The actuator (9) configured by fixing two drive parts (17, 17) capable of pressing the back surface of the mirror holder (7) at two different places to a common mounting member is provided with the mirror holder (7 The shaft (18) which is attached to the support plate (13) from the opposite side to the support plate (13) and protrudes from the respective drive portions (17) so as to be able to advance and retract in the axial direction can swing on the mirror holder (7). coupled to said main housing (10) and jointly auxiliary housings constituting the mirror housing (5) (11), fixed to the main housing (10) covering said actuator (9) Vehicle door mirror, characterized in that it is.   In the main housing (10) having the opening (12) closed by the sub-housing (11), the support plate (13), the peripheral edge of the opening (12), and the support plate (13) The vehicle door mirror according to claim 1, wherein a plurality of ribs (16 </ b> A to 16 </ b> D) connecting between the peripheral portions of the vehicle are integrally provided.

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