JP3173292B2 - Rearview mirror device for vehicles - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rearview mirror device for a vehicle, and more particularly, to a manual or electric rotation of a housing provided on both sides of a vehicle body such as an automobile and incorporating a mirror. The present invention relates to a rearview mirror device for a vehicle that allows the housing to rotate between a use position protruding from a side surface of a vehicle body that gives a driver a rear view and a storage position that is substantially parallel to the vehicle body.

[0002]

2. Description of the Related Art A conventional rear-view mirror apparatus of this type, as described in, for example, Japanese Patent Application Laid-Open No. 61-94845, protrudes from the side of a vehicle body when a housing in which a mirror is incorporated is pushed by hand. It rotates between the use position and the first storage position, which falls almost parallel to the vehicle body toward the rear of the vehicle body, and when a person or object comes into contact, the vehicle moves toward the first storage position or the front of the vehicle body and It is adapted to rotate to a second storage position which falls down substantially in parallel. For this purpose, the drive unit has a fixed side member fixed to the base and a rotating side member fixed to the housing, the shaft is provided on the fixed side member, and the rotating side member is rotatably attached to the shaft. At the same time, when the housing is pressed by hand by the coil spring inserted into the shaft and the housing is pressed by hand, the rotating member is used together with the housing against the spring force of the coil spring in the use position or the first position. Is rotated to the storage position.

Further, as such a rearview mirror device, a device in which a housing is rotated by a motor is described in, for example, Japanese Utility Model Laid-Open No. 4-114839. The drive unit in the rearview mirror device includes a shaft on the fixed member, a gear engaged with the shaft, a clutch disposed between the gear and the shaft, a motor on the rotating member, and a rotation while meshing with the gear. And a gear group including gears that revolve around the gears, and the like,
When the motor rotates the gear group, the gears meshing with the gears on the shaft in the gear group rotate and revolve around the gears on the shaft. When the motor is stopped and the housing is pressed by hand with the motor stopped, the clutch disengages, the gear on the shaft rotates with the rotating member, and the shaft is attached to the rotating member. When the housing is rotated to the center use position or the first storage position, and a person or an object comes into contact with the housing, the clutch is disengaged and the first storage position or the second storage position centered on the shaft. To the rotation side member.

In these rearview mirror devices, the positioning of the housing when rotated to the use position is performed by positioning the ball held by the rotating member on the fixed member while sharing the center with the rotating shaft of the housing. This is achieved by contacting the end of the arcuate groove provided to limit the rotation of the rotating member. The rotation of the housing is prevented when a person or an object comes into contact with the housing by a projection extending from the fixed member to the side surface of the rotation member fitting into a recess in the rotation member.

[0005]

As described above, in the conventional rearview mirror apparatus, in addition to the drive unit that rotates the housing by the motor and the drive unit that manually rotates the housing, the vehicle body to be installed is, for example, an automobile. When,
Since the rearview mirror devices are installed one by one on both sides outside the vehicle body, a drive unit that rotates the housing by a motor built into the rearview mirror device on the left side of the vehicle body and a rearview mirror device on the right side of the vehicle body A drive unit for rotating the housing by a built-in motor, a drive unit for manually rotating the housing incorporated in a rear-view mirror device on the left side of the vehicle body, and a housing manually incorporated in the rear-view mirror device for the right side of the vehicle body. There is a drive unit for rotating. Furthermore, since the housing and the base are formed into various shapes according to the style of the vehicle body, and the internal space is different for each housing, the drive unit for rotating the housing by the motor and the drive unit for manually rotating the housing are the base and the housing. It is made for each set, and the types of drive units are quite large. For this reason, in the manufacture of the drive unit, the production of many molds and jigs,
Not only must these checks and management be performed, but also the management of various types of manufactured parts and the management of a large number of completed drive units, necessitating considerable production costs.

The present invention provides an improved vehicle rearview mirror apparatus of this type that can minimize the types of drive units.

[0007]

A rearview mirror device for a vehicle according to the present invention comprises a base (11) fixed to a vehicle body and a mirror (4).
1) the built-in housing (13), said base
A drive unit (14) mounted on the
Ri, wherein the housing is mounted to the drive unit
And rotatably supported about a shaft (64).
In the vehicular rearview mirror device, the drive unit is
A shaft member which is a fixed member supporting the shaft described above.
A rudder (50) and the housing around the shaft
A rotation mechanism for rotating the
Mounting part (54) for mounting the moving unit to the housing.
A) is provided, and correspondingly, the housing
Is provided with a recess for accommodating the drive unit.
And the recess is opened in a region facing the base.
And is positioned near the opening so that the mounting portion (54
Receiving unit corresponding to A) (32A) have is provided, double
Receiving parts provided in each of several types of housings
(32A) is a mounting portion (54) of a drive unit of the same type.
A) It has a shape and dimensions that can be attached to A), and
A projection (26) projecting toward the housing is provided on the base.
The housing is provided with
An engaging recess (87) is provided for the housing.
Is rotated to one of the first storage position and the second storage position.
When turned, the protrusion abuts against the end of the housing recess
And act as a stopper to drive the drive unit (14).
The rotation side member (51) also has a concave portion (5
9) provided and rotated together with the rotating side member
The housing is located between the first storage position and the second storage position.
When rotated to one of the other, the protrusion is a rotation-side member
Comes into contact with the edge of the recess
It is characterized by having.

[0008]

According to the present invention, a common drive unit is provided.
Can be adapted to many types of housings.
For this reason, many types of housings corresponding to the designs of many vehicle models
Drive units are also used for mass production of small models.
The benefits (eg low cost, low quality)
Fixed, easy management, etc.).

Further, when the present invention is applied, the housing
Is turned to the first storage position,
Is pivoted forward to the second storage position,
Of the projection provided on the
The contact ensures that the rotation of the housing is stopped.
Can be.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the rearview mirror apparatus of the present invention will be described below with reference to the drawings.

FIG. 1 shows a rearview mirror device according to the present invention installed on the right side of an automobile. The rearview mirror device includes a base 11 fixed to a side surface of a vehicle body of an automobile, a use position projecting from the vehicle body side centering on a vertical axis, and a rearward position of the vehicle body.
Line now rotating relative to the base 11 of the second storage position to fall substantially parallel to the first storage position and vehicle direction selfish vehicle side forwardly incline substantially parallel to the direction selfish body side, the integrated mirror unit 12 is a housing 13, have been prepared driving unit 114 to performed the rotation of the housing by the drive unit 14 and manually causes made the rotation of the motor housing 13, driving electric
Either the drive unit 14 or the manual drive unit 114
Select one of them and attach it to the base 11
, A housing 13 can be attached to the housing.
Thus, the housing 13 is connected to the drive unit (14 or 14).
Is rotatably supported on the base 11 via 114).
Is done. The details of the configuration are as follows.

The base 11 has a base body 21 and a base cover 22. The base body 21 and the base cover 22 have a substantially L-shaped form.
The base body 21 is configured such that the portion 23 forming one side of the L-shape is positioned on the portion 24 which is one side of the base cover 22 and the portion 23
, So as to form one base.

The housing 13 has a substantially box-like shape with an open front surface, and is provided with an opening 31 in a region facing the portion 23 of the base 11 on the bottom wall.
Drive unit 1 along a pair of facing side edges at 1
A receiving portion for mounting the 4,114 is provided. Although only one receiving portion 32A is shown in FIG.
Are provided along the opposite side edge. The mirror unit 12 includes a mirror 41 and a mirror holder 42, and the mirror 41 is fixed to the mirror holder 42.
The mirror holder 42 has a ball 46A and the tilting unit 4
5, ball spring 46C, coil spring 46C, set screw 46
D is attached to the tilting unit 45 via a ball joint made of, for example, two rods 47A,
A motor and a reduction gear for independently moving each of the rods and a reduction gear are incorporated. The motor moves the rod 47A forward and backward, and the rod 47A pushes the lower rear portion of the mirror holder 42 to move the mirror holder 42 around the ball joint. Rotate up and down, and the other motor
7B is advanced and retracted, the rear side of the mirror holder 42 is pushed against the rod 47B, and the mirror holder 42 is moved around the ball joint.
The mirror unit 12 is tilted in an arbitrary direction by rotating the mirror unit 12 in the left-right direction.

Each of the drive units 14 and 114
Supports the housing 13 rotatably with respect to the base 11.
It is equipment to carry. Therefore, this drive unit is
A component fixed to the base 11, which is a member,
It is fixed to the housing 13 which is a rolling member and rotates together.
Components ". For convenience of explanation,
The components that are fixed to the base in the moving unit are fixed
The component that rotates with the housing is called the component.
It will be referred to as a transfer side member. Rotating side of electric drive unit
Some members include a drive motor and a reduction gear group.
A rolling mechanism (described in detail later with reference to FIG. 5) is incorporated.
You. The drive unit 14 includes a mechanism for rotating the housing 13 and a support for supporting the rotation mechanism. The support has a fixed member 50 and a rotating member 51. The fixed-side member 50 has a substantially plate-like shape. The rotation side member 51 includes a main body member 52 and a cover member 53 from the main body member 52. The main body member 52 has a form of a substantially hollow box whose upper part is open as a whole, and includes a plate-shaped lower part and a cylindrical upper part integrally formed with the lower part. The cover member 53 has a form of a substantially hollow box with a lower part opened, and is fitted to a cylindrical upper part of the main body member 52 and given a size and a shape forming a cover side of the closed container. I have. The main body member 52 has a receiving portion 32A in the housing 13 and another receiving portion (FIG. 1).
Corresponding to it are) hidden in the mounting portion 54A, 54B
Is provided.

The rotation mechanism comprises a main body member 52 and a cover member 53.
And is sealed from the external space. As will be described in detail later, the rotation mechanism itself includes a shaft, gears mounted on the shaft with a clutch interposed therebetween, a motor incorporated in the rotation-side member 51, a gear group connecting the motor to the gears on the shaft, and the like. Consists of The shaft is a fixed member 5
0, the rotation side member 51 is held by a shaft,
The gear is inserted into the shaft, the clutch is connected between the gear and the shaft, and the motor and gears are connected to the rotating member 5.
1 The fixed-side member 50 is provided with an arc groove that shares the center with the shaft, and the rotation-side member 51 includes a ball held by the main body member 52 or a hemisphere formed integrally with the main body member 52 in the arc groove. Positioned and inserted into the shaft.

Drive unit 1 for housing 13
4 is assembled by disposing the drive unit 14 inside the housing 13 and positioning the fixed-side member 50 at the opening 31 in the housing 13 while attaching the mounting portion 54A to the receiving portion 32.
A, after the mounting portion 54B is brought into contact with the other receiving portion, the drive unit 14 is bolted to the housing 13, and the fixed side member 50 is connected to the portion 2 of the base body 21.
3 by bolting.

In the rearview mirror apparatus with the drive unit 14 assembled in this way, when the motor is operated when the housing 13 is in the first retracted position, the gear meshing with the gear on the shaft in the gear group rotates by itself. When the rotating member 51 rotates together with the housing 13 around the shaft toward the use position and the motor rotates in the reverse direction, the housing 13 is moved into the first retracted state. Rotate toward position. Also, when the housing 13 is pushed firmly by hand, the clutch separates the gear on the shaft from the fixed member 50, and the rotating member 51 is moved to the first position with the gear on the shaft centered on the shaft. Rotate between the storage position. When a person or an object comes into contact with the housing 13, the clutch separates the gear on the shaft from the rotating member 51, and the rotating member 51 rotates with the housing 13 around the shaft to the second storage position. Do it.

The drive unit 114 for manually rotating the housing also includes a mechanism for rotating the housing 13 and a support for supporting the rotation mechanism. The support includes a fixed member 150 and a rotating member 151. The fixed side member 150 has a substantially plate shape. Rotatable member 151 is also intended to have a plate-like shape, the mounting portion 154A that pair to another receiving portion 32B and the receiving portion 32A of the housing 13, is formed a 154B, mounting portions 154A, 154B are driven unit 1
4 are identical to those of FIG. As will be described in detail later, the rotation mechanism includes a shaft on a fixed side member that holds the rotation side member 151, a coil spring that presses the rotation side member 151 inserted into the shaft against the fixed side member 150, and the like. . Then, the fixed side member 150
Is provided with an arc groove sharing the center with the shaft, and the rotating member 151 is inserted into the shaft by positioning a ball held by the body member 152 or a hemisphere formed integrally with the body member 152 in the arc groove. I have.

In the same manner as the drive unit 14, the fixed member 150 is positioned in the opening 31 in the housing 13 and the mounting portion 154 A is mounted on the housing 13.
After the drive unit 114 is disposed inside the housing while the mounting portion 154B is in contact with the receiving portion 32A and the other receiving portion, the drive unit 114 is moved to the housing 1.
3 and the fixed side member 50 is connected to the portion 23 of the base body 21 with bolts 84. The rotation of the housing 13 to the use position or the first storage position is performed by pushing the housing 13 by hand and rotating the rotation side member 151 on the shaft. Then, when a person or an object comes into contact with the housing 13 in the use position, the rotation side member 151 rotates on the shaft, and rotates the housing 13 to the first storage position or the second storage position.

Although not shown, the housing and base of the rearview mirror device installed on the left side of the vehicle body are formed symmetrically with the housing 13 and base 11 of the rearview mirror device installed on the right side surface of the vehicle body. I have. Also, when assembling the housings of both drive units with respect to the housing of the rear-view mirror device installed on the left side of the vehicle body, the fixed side member is positioned at the opening in the housing, and one mounting portion is mounted on the receiving portion of the housing 13. The other mounting portion is brought into contact with the other receiving portion of the housing, the rotating member is disposed inside the housing, the mounting portion and the receiving portion are connected by bolts 93, and the fixed member is This is achieved by connecting the base body with bolts 94.

In these rearview mirror devices, the stop of the housing 13 at the use position is performed by fixing the fixed side members 50 and 150.
This is done by the ball between the rotating members 51 and 151 hitting the ends of the circular grooves of the fixed members 50 and 150. The reason is as follows. use
The housing in the position rotates and relaxes when subjected to external force.
It is desirable to have a strong stopper
Without contacting the ball with the end of the arc groove, see FIG.
As will be described later (paragraph 0034), the ball
On the edge of the groove to allow the housing to rotate
It was done. In comparison, the front and rear housings
When rotated to the storage position, forcibly
Stop. That is, in each of the first storage positions, the rotation of the housing 13 is prevented by the protrusions on the base fitted into the dents on the rotating members 50 and 150, and the protrusions on the base 11 by the protrusions on the rotation side members 50 and 150.
This is done by getting stuck in the dent in Up
In a different embodiment, the rotation of the housing 13 in each of the first storage positions is such that the protrusion on the base 11 fits into the recess on the housing 13 and the second storage position is such that the protrusion on the base 11 rotates. Side member 50, 1
Make it done by getting stuck in the dent at 50
You can also. For example, the rearview mirror device installed on the right side of the vehicle body shown in FIG.
Is provided on the base 11 so as to be located on an imaginary circle sharing the center with the shaft.
3, the recesses 59, 159 on the rotating members 51, 151 are located at positions on the virtual circle corresponding to the positions of the projections 26 when the housing 13 is rotated to the first storage position. In the lower part of the rotary members 51 and 151, the dents in the housing 13 are not shown, but the positions on the virtual circle corresponding to the positions of the projections 26 when the housing 13 is rotated to the second storage position. And around the opening 31 in the housing 13. When the housing 13 is rotated to the first storage position, the protrusion 26 is fitted into the recesses 59 and 159 of the rotation side members 51 and 151 and engages with the rotation side member 5.
When the housing 13 is rotated to the second retracted position, the rotation of the rotation-side members 51 and 151 is prevented. In the rearview mirror device installed on the left side of the vehicle body, the recess in the housing is arranged symmetrically with the recess in the housing 13. In these, the deactivation of the motor in the use position and a first retracted position, for example, increase in the motor load when the ball on the rotating member abuts Tsu the end of the arcuate groove, and, the projections in the base The power supply to the motor is stopped by detecting an increase in the amount of current caused by an increase in the motor load when the motor is stuck in the concave portion in the separation member or the rotation side member.

The rearview mirror device according to the present invention is
In the region where the housing 13 faces the base 11 on the bottom wall, the fixed side members 50, 15 of the drive units 14, 114 are provided.
The drive units 14 and 114 rotate the mounting portions 54A and 54B corresponding to these receiving portions, having an opening 31 in which the “0” fits, a receiving portion 32A that holds the driving units 14 and 114, and a receiving portion that forms a pair with the receiving portion 32A. Since the opening, the receiving portion, and the mounting portion are provided in the side members 51 and 151 and have the same configuration, the driving unit 14 that rotates the housing 13 by a motor and the driving unit 114 that rotates the housing 13 manually. The drive unit can also be mounted on the same set of the base 11 and the housing 13 as the set of the base and the housing installed on the left side of the vehicle body and the set of the base and the housing installed on the right side of the vehicle body. 14 or the drive unit 114, and Also each of the set of Ujingu is composed of a plurality of sets of different shapes depending on the style to the vehicle body, the drive unit 14 or the driving unit 11
4 can be incorporated, and no drive unit is required for each set.

The rotation of the housing 13 at each of the storage positions is prevented by the projections and the two dents.
The protrusion 26 on the base 11 prevents rotation of the housing 11 and the housing 1.
3, the same drive unit can be incorporated even if the angle range between the first storage position and the second storage position is different. That is, the prevention of rotation of the housing 13 in the first storage position and the second storage position is determined by the angle formed by the two recesses, that is, the recesses 59 and 159 and the recess 87 with respect to the rotation center axis of the housing 13. , For example, a rearview mirror device installed on the right side of the vehicle body, one of the dents 87 is disposed in the housing 13, and
Since the housing 13 is manufactured separately when the maximum rotation angle is different, the first member is provided with a fan-shaped groove having a peripheral length corresponding to the maximum rotation angle of the housing in which the fixed side members 50 and 150 are combined. The same drive unit 14 can be incorporated into each of the set of the housing and the base having a different angle range between the storage position of the second storage position and the second storage position, and the difference of the housing based on the installation position in the vehicle body, the style of the vehicle body, etc. Regardless, for each set of the base and the housing, a drive unit 14 for rotating the housing 13 by a motor and the housing 13
The drive unit 114 for manually rotating the drive unit 114 can be incorporated, and the same drive unit can be incorporated for each of the set including the base and the housing, regardless of the difference in the housing depending on the installation position in the vehicle body, the style of the vehicle body, and the like. In combination with this, the types of both drive units can be extremely reduced.

FIGS. 2 to 10 show details of the rearview mirror apparatus in which the housing 13 is rotated by a motor.

2 to 4, the base 11 is
As described with reference to FIGS. 1 and 2, the base body 21 and the base cover 2 are made of a synthetic resin molding.
2 through the opening 23 of the base cover 22 so that the portion 23 of the base body 21 passes through the opening 24 of the base cover 22.
Are combined.

The housing 13 is also made of a synthetic resin and has a substantially box-like shape with an open front as described above, and the opening 31 is formed in an area corresponding to the base body 21 in the housing 13. Positioned on the bottom wall of the housing, receiving portions 32A and 32B for mounting the drive unit 14 are provided along a pair of facing side edges of the opening 31. The receiving portion 32A is formed on the lower surface of the side wall of the housing 13 forming one side edge of the opening 31, and the receiving portion 32B is formed on the upper surface of the protruding portion extending along the opposite edge of the opening 31 on the bottom wall of the housing 13. I have. Although not shown, the mirror unit is attached to the tilting unit, is disposed in the front opening of the housing 13 and is bolted to the housing via the tilting unit as described with reference to FIG.

The drive unit 14 includes a mechanism for rotating the housing 13 and a support for supporting the rotation mechanism, as described above. The support is made of a synthetic resin molding, and includes a fixed member 50 and a rotating member 51.
Is provided. The fixed side member 50 has a substantially plate shape. The rotation side member 51 includes a main body member 52 and a cover member 53. The main body member 52 has a substantially hollow box shape having an open upper surface as a whole, including a lower portion having a plate shape and an upper portion having a cylindrical shape.
A bearing portion 60 and a bridge receiver 61 are integrally formed inside the main body member 52. A bridge 63 is mounted on the bridge receiver 61 and fixed thereto. The cover member 53 has a hollow box shape with an open lower surface, and fits into an upper portion of the main body member 52,
It is formed so as to form one closed container together with the main body member 52, and mounting portions 54 </ b> A and 54 </ b> B for mounting to the housing 13 are provided at both ends. The connection between the main body member 52 and the cover member 53 is performed by the member 51.
Of the cover member 53 and a groove on the inner surface of the cover member 53 are engaged with each other.

The rotation mechanism has a shaft 64.
The shaft 64 has a hollow structure having a flat surface extending in the longitudinal direction on a part of the peripheral surface, and is formed integrally with the fixed-side member 50. The fixed-side member 50 is assembled to the rotation-side member 51 by engaging the bearing portion 60 with the shaft 64. A gear 65 is engaged with a portion of the shaft 64 that comes out of the rotation side member 51 so that the gear 65 can rotate and slide on the shaft 64. Further, a member 66 constituting a clutch together with the gear 65 is disposed between the gear 65 and the fixed-side member 50. The member 66 is substantially in the form of a ring having a pawl on the end face of the gear 65, and is inserted into the shaft 64 and is rotated by a plane formed on a part of the peripheral surface of the shaft 64. And can only slide along the shaft 64. On the end face of the gear 65 facing the member 66, there is formed a groove which engages with the pawl of the member 66, and the gear 65 is fitted on the shaft 64 so that the pawl and the groove engage. The seat plate 67 is the member 6
The rotary member 51 is located between the fixed member 6 and the fixed member 50, and is in contact with a portion of the rotating member 51 higher than the fixed member 50, and is fitted to the shaft 64. A coil spring 68 is inserted into the shaft 64 between the gear 65 and a spring receiver 69 fixed to the free end side of the shaft 64 to maintain the engagement between the pawl of the member 66 and the groove of the gear 65. At the same time, the gear 65, the member 66, and the seat plate 67 are pressed against the rotating member 51.

FIG. 5 shows details of the motor and the gear group. The motor 71 is fixed to the rotating member 51 by passing a motor shaft through a hole in the bridge 63, and a worm 73 is attached to a portion of the motor shaft protruding from the bridge 63 via a coupling 72. The worm 73 (see also FIG. 4) is disposed below the bridge 63 and is held by a bearing on the main body member 52, and is engaged with a worm wheel 74 disposed below the bridge 63. The worm wheel 74 is fitted and fixed to the shaft of the worm 75, and the shaft of the worm 75 is held by a bearing provided on the main body member 52 and is disposed between the end of the shaft and the main body member 52. The ball 75A receives the thrust load of the worm 75. Further, a shaft 76 is arranged so as to cross the bridge 63 and the bottom wall of the main body member 52, and both ends are held by bearings provided at these ends. One worm wheel and spur gear coaxially
Gear 77 which is the body formed is mated to the shaft 76 by engaging the worm wheel to the worm. Further, the shaft 78 is located close to the coaxial gear 77 is held in a bearing in the body member 52, the gear 79 is mated to the shaft 64. The gear 79 meshes with a gear 65 on a shaft 64 incorporated in the stationary member 50 in parallel with the shaft 78.

Further, as shown in FIG. 6, the fixed side member 50 is provided with an arc groove 81 on the rotating side member surface. The arc groove 81 is for restricting the rotation of the housing 13 at the use position, and is provided on the fixed side member 50 so as to share the center with the shaft 64. The rotation side member 51 will be described later with reference to FIG.
The ball 83 held in 4) indentations 82 arcuate groove 8
1, the bearing portion 60 is inserted into the shaft 64.

The cable 84 connects the drive unit 14, the tilting unit, and the control device incorporated in the vehicle to each other. After the cable 84 is connected to the control circuit by a connector, the cable 84 is connected between the base body 21 and the base cover 22. And a part of the cable included in the cable is connected to the drive circuit of the motor 71, and the remaining wires are passed through the opening in the cover member 53 and the tilting unit is 45 connected to the motor. Although not shown, the mirror unit is attached to the receiver 33 inside the housing 13 with a bolt 92 via the rotation unit 45 shown in FIG.

Drive unit 1 for housing 13
4 is installed by connecting a part of the wire of the cable 84 to the motor in the tilting unit 45 and positioning the fixed side member 50 inside the opening 31 of the housing 13.
The drive unit 14 is placed inside the housing 13 by bringing the mounting portion 54A of the cover member 53 into contact with the receiving portion 32A at one side edge of the opening 31 and the mounting portion 54B with the receiving portion 32B, and receiving the drive unit 14 from the bottom surface of the housing 13. Parts 32A, 32B
And the bolts 93 are screwed into the mounting portions 54A and 54B,
The fixing side member 50 is connected to the base body 21 with bolts 94.

[0033] At this time, the drive unit 14 and the housing 13 is engaged tapered cans, so that can be incorporated without backlash drive unit 14 relative to the housing 13. explain in detail. Housing 1
The opening 31 in the third unit 3 is formed so as to have a size and a shape in which the lower part of the rotation side member of the drive unit 14 fits. Width W of the opening 31 (see FIG. 3) is rather narrow end located outside the housing, the end located inside the housing is wide Kuna'. The receiving portion 32A is provided with the opening 31.
The receiving portion 32 </ b> B is located on the side wall of the housing 13 so as to be located above the one side edge and protruding into the opening 31, on the opposite side edge of the opening 31 on the bottom wall of the housing 13 and outside the opening 31. that it provided to protrude from the inner surface of the housing bottom wall and. Incorporation of the drive unit 14 relative to housings 13, the fixed member 50 with is positioned within the opening 31 of the housing 13, the receiving portion 32A of the mounting portion 54A at the cover member 53 of the rotary member 51, the mounting portion 54B The driving unit 14 is pushed in such a manner as to come into contact with the receiving portions 32B, respectively.

To rotate the housing 13 to the use position or the first storage position, the motor 71 is operated to cause the worm 73 to rotate the worm wheel 74 and the worm 75 to rotate.
The rotation of the coaxial gear 77, the rotation of the gear 79 around the gear 65, and the rotation of the housing 13 about the shaft 64 are performed, or the motor 71 is rotated in the reverse direction. This is achieved by causing the gear 79 to rotate in the opposite direction and revolve around the gear 65 in the opposite direction. When the housing 13 is rotated to the use position, the ball 83 contacts the end of the fan-shaped groove 81 in the fixed member 50 as shown by a solid line in FIG. Is rotated to the storage position, the protrusion on the base 11 fits into the dent on the rotation-side member 50 to prevent the housing 13 from rotating, and the motor 71 stops operating. When the housing 13 is rotated by hand in a state where the motor 71 is stopped, for example, when the housing 13 is pushed by hand from the first storage position to the use position, the gear group 73 is rotated.
To 79 are locked and the member 66 forming the clutch cannot rotate, so that the gear 65 rotates about the shaft 64 together with the rotation side member 51 and the gear 6
5 slides against the member 66, the groove in the gear 65 is disengaged from the pawl of the member 66, and the rotating side member 51 rotates about the shaft 64 together with the housing 13 and the mirror unit 12. And the housing 1
Even when a person or an object comes into contact with the housing 13 when the 3 is in the use position, the rotation of the gear 77 is locked and the member 66 is attached to the shaft 64 in a state where the rotation is stopped. The gear 65 rotates about the shaft 64 together with the rotation-side member 51, and the gear 6
The groove of the member 5 is disengaged from the pawl of the member 66, the gear 65 rotates together with the rotating member 51, and the rotating member 51 rotates together with the housing 13 around the shaft 64 in the first storage position or the second storage position. Rotated to position, base 1
The rotation of the housing 13 is prevented in the second storage position by the protrusion at 1 being fitted into the dent in the rotating member 51 or the dent in the housing 13.

A protrusion 2 for preventing rotation of the housing 13 at the first storage position and the second storage position.
6, FIG. 1, FIG. 3, as it is shown in Figure 6, an arc shape which shares the rotation axis and the center of the housing 13
Cage, and is formed integrally with the base body 21. As shown in FIG. 4, the rotation side member 51
Are mounted in the housing 13 and the mounting portions 54A, 54B
Is formed so that the lowermost surface 51A is located on the same plane as the bottom surface of the housing 13 when the contacting portions 32A and 32B of the housing 13 contact with each other. The lower surface of the main body member 52 and the bottom surface of the housing 13 are provided with grooves into which the protrusions 26 fit. (See FIG. 3) One end of the groove is formed by a recess 59 located on the side surface of the lower part of the main body member 52, and the other end is formed by a recess 87 formed in the vicinity of the opening 31 of the housing 13. It forms a missing circle (ie, an arc). FIG. 8 shows the lower surface of the main body member 52, and the indentation 5
9 and a recess 88 which is a part of the annular groove. A recess 89 connecting the recess 59 and the recess 88 and a recess 87 connected to the opposite end of the recess 88 are provided on the wall surface forming the opening 31 of the housing 13. The indentation 59 is such that when the rotating member 51 is rotated together with the housing 13 to the first storage position, one end of the projection 26 is in a position where one end of the groove 88 is fitted, and the indentation 87 is the rotating member. When 51 is rotated to the second storage position with housing 13,
The other end of the projection 26 is arranged at a position where it fits.

The attachment of the base 11 to the fixed side member 50 is achieved by making the projections 26 these recesses 59, 87 to 89.
Into the groove formed by the
3 and the fixed side member 50 are connected by bolts 94. When the housing 13 comes into contact with a person or an object and the housing 13 is rotated to the first retracted position, the protrusion 26 is fitted into the recess 59 in the rotation side member 51 as shown in FIG. When the housing 13 is rotated to the second storage position, the protrusion 26 is fitted into the recess 87 in the housing 13 as shown in FIG. Block the rotation of The stop of the operation of the motor 71 at each storage position
The control circuit incorporated in the automobile detects the magnitude of the current flowing through the motor 71 when the electric motor 6 is inserted into the depression 59 or the depression 87, and cuts off the power supply to the motor 71. The motor 71 when the housing 13 is rotated to the use position
Is stopped by detecting a change in the load on the motor 71 when the ball 83 comes into contact with the end of the fan-shaped groove 81.

In this rearview mirror apparatus, the rotation of the housing 13 in the second storage position is prevented by the protrusion 26 in the space 11 and the depression 87 in the housing 13.
And so on, the arc direction of the projection 26
Depending on the width of providing a different base, first
Are different in the rotation angle between the first storage position and the second storage position . Drive unit 1 also for the set of base and housing
4 can be assembled . In addition, the base and
If the housing and the housing are configured as a set,
The base and housing of the set
Is the circumferential dimension of the protrusion 26 or the housing 1
By changing the circumferential dimensions of the indentations 87 of 3, performed without changing the driving unit 14, the assembly of the same drive unit 14 to these sets this
Can be.

In this rearview mirror apparatus, the rotating member 5
1 is provided on the rotating side member 51 at a position symmetrical to the recess 59 with respect to the longitudinal center axis of the rotating side member 51.
When incorporated in a set of a housing and a base installed on the left side surface of the vehicle body, the housing can be prevented from rotating at the first storage position. Further, the indentation 59A is provided in the housing 1 to balance the style with the body style, for example.
The same drive unit 14 can be incorporated even if the portion 3 is formed thinner in a portion located in front of the rotation center axis. That is, since the diameter of the virtual circle in which the recess 89 is disposed is determined by the recess 59 of the drive unit 14, the virtual circle is located in front of the housing rotation center axis like the housing 13 of the rear-view mirror device shown in FIGS. If the thickness of the portion is large, the recess 89 can be provided in the housing 13, but if the thickness of the portion of the housing located in front of the housing rotation center axis is small, the recess 89 cannot be provided in the housing. In this rear-view mirror apparatus, the recesses 59A symmetrically arranged with the recesses 59 are provided on the rotating side member 51, so that the recesses 87 and 89 in the housing are provided.
Are provided on a portion of the housing located rearward of the rotation center axis so as to be symmetrical with the recesses 87 and 89 in FIG. 3, and when the housing is in the second storage position, the protrusion 26 is recessed. By making the dent corresponding to 59A enter, the drive unit 14 can be incorporated into a thin housing.

FIGS. 11 to 15 show details of the rearview mirror apparatus for manually rotating the housing.

The base 11 and the housing 13 are shown in FIG.
10 to the rear mirror device described with reference to FIG. That is, the base 11
Is composed of a base body 21 and a base cover 22, and a part 23 of the base body 21 is assembled with the base cover 22 by passing through an opening 31 of the base cover 22. The housing 13 has a box shape with an open front surface, and an opening 31 is provided on a bottom wall of the housing 13 so as to be located in a region corresponding to a portion of the base body 21 in the housing 13. A receiving portion 32 for attachment is provided on the rear wall. The mirror unit is attached to the housing 13 with the tilt unit 45 interposed as described above.

The drive unit 114 comprises a mechanism for rotating the housing 13 similarly to the drive unit 14, and a support for supporting the rotation mechanism. The support is made of a synthetic resin molded article and includes a fixed member 150 and a rotating member 151. The fixed member 150 is the fixed member 150 described with reference to FIGS.
It has a plate-like form as well. The rotation-side member 151 is a single member having a substantially plate-like shape. The bearing portion 160 is integrally formed at the center, and mounting portions 154A and 154B for mounting to the housing 13 are formed at both ends. . The mounting portion 154A is provided on the upper surface of one side surface of the rotating member 150, and the mounting portion 154B is provided on the rotating member 150.
0, a flat surface is formed on the lower surface of the opposite side surface, and the same size and shape as the mounting portion of the drive unit 14 for rotating the housing 13 by a motor are given.

The shaft 164 is hollow and formed integrally with the fixed member 150. The fixed member 150 is assembled to the rotating member 151 by fitting the shaft 164 into the bearing portion 160. The coil spring 168 is inserted into a portion of the shaft 164 protruding from the rotation-side member 151, and is compressed by a spring receiver 169 at the end of the shaft 164, and the rotation-side member 151 is interposed via the seat plate 167. It is pressed against the fixed side member 150. Further, the fixed-side member 150 is provided with a sector-shaped groove 181 sharing the center with the shaft 164. The rotation side member 151 is fitted to the shaft 164 with the ball 183 or the hemisphere formed integrally therewith positioned in the fan-shaped groove 181.

The cable 184 directly connects between the mechanism for tilting the mirror unit and a control device incorporated in the vehicle. After being connected to the control circuit by a connector, the base body 21 and the base cover 22 are connected.
, Passes through the hole of the shaft 161 and is connected to the motor of the tilting unit 45.

Driving unit 1 for housing 13
14 is assembled by connecting the cable 184 to the tilting unit 45.
After connecting to the motor drive circuit in
The drive unit 114 is placed in the housing 13 with the drive unit
4 is slid in the horizontal direction so that the mounting portion 154A of the cover member 153 of the rotating member 151 contacts the receiving portion 32A on one side edge of the opening 31 and the mounting portion 154B contacts the receiving portion 32B. The member 151 is fixed to the housing 13 with a bolt 93 or the like, and the fixed member 150 is connected to the base body 21 with the bolt 94. Also at this time, the mounting parts 154A, 15
4B are arranged facing away from each other, and the mounting portions 154A, 1
When 54B comes into contact with receiving portions 32A and 32B, drive unit 114 is held by housing 13, so that drive unit 114 can be easily incorporated into housing 13.

The rotation of the housing 13 to the use position or the first storage position is performed by pushing the housing 13 by hand. When pushed, the housing 13 rotates about the shaft 161 and when rotated to the use position, the ball 183 hits the end of the arc groove 181 provided on the fixed member 150 to limit the rotation of the housing 13, The position is fixed by the coil spring 168 pressing the rotating member 151 against the fixed member 150. When a person or an object comes into contact with the housing 13 while the housing 13 is rotated to the use position, the housing 13 is rotated to the first storage position or the second storage position.

Also in this rearview mirror apparatus, the rotation of the housing 13 at each storage position is prevented by the projection on the base 11 fitting into the depression 87 on the housing 13 or the depression 159 on the rotating member 151. ing. Of these, the protrusion 26 has a fan-shaped form sharing the center with the rotation center axis of the housing 13 and is formed integrally with the portion 23 of the base body 21. Depression 159 in rotating side member 151
When the housing 13 is rotated to the first storage position, the rotation side member 1 is positioned at the position where the protrusion 26 fits.
51 are provided on the side surface. As described above, the recess 87 in the housing 13 is provided on the housing 13 so that the protrusion 26 fits when the housing 13 is rotated to the second storage position. These dents 1
Depressions 188 and 89 for connecting 59 and 87 are provided on the lower surface of the rotation side member 151 and the opposite wall forming the opening 31 in the housing 13, respectively. All of the recesses 159, 87, 188, 89 have the same depth and the protrusion 2 when the housing 13 rotates.
6 are arranged on a locus circle. Attachment of the base 11 to the fixed side member 150 is performed by fitting the protrusion 26 into the groove 188 of the rotating side member 151 and screwing the portion 123 of the base body 21 into the fixed side member 150 with the bolt 94. When the housing 13 comes into contact with a person or an object and is rotated to the first retracted position, the protrusion 26 is turned into the depression 1
59 to prevent the rotation of the rotation-side member 151,
Conversely, when the housing 13 is rotated to the second retracted position, the protrusion 26 fits into the recess 87 in the housing 13 as shown in FIG. 15, and prevents the rotation of the rotation-side member 151. The drive unit 114 also has a second recess 159A on the rotation side member 151.
And the same drive unit 114 is installed irrespective of the shape and size of the housing 13 irrespective of whether it is installed on the right or left side of the vehicle body, regardless of the shape and size of the housing 13. To be able to do.

[0047]

According to the vehicle rearview mirror device of the present invention , multiple
A common drive unit for several types of housings
Can be adapted to many types of vehicles.
Produces various types of housings for each design
In this case, the drive unit can be
Wear. This has the advantage of mass production of small models (low cost)
Quality, stable quality, easy management, etc.)
You. Further, the projection provided on the base is
Recess provided in the motor and rotation of the drive unit
Corresponding to the recess provided in the side member,
The rotation is stopped when the
You.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a configuration of an embodiment of a vehicular rearview mirror device of the present invention.

FIG. 2 is a front view showing a more detailed configuration of the assembled vehicle rearview mirror device.

FIG. 3 is a bottom view taken along line AA of FIG. 2;

FIG. 4 is a sectional view including a base taken along line BB of FIG. 3;

FIG. 5 is a perspective view showing a configuration of a rotation mechanism in the rear-view mirror device shown in FIG. 2;

FIG. 6 is a sectional view taken along line CC of FIG. 2;

7 is a sectional view taken along the line DD of FIG. 6 and developed on a plane.

FIG. 8 is a perspective view of a main body member constituting a rotating member in the rearview mirror apparatus shown in FIG. 2;

FIG. 9 is a bottom view taken along line AA of FIG. 2 when the housing is rotated to the storage position in the rearview mirror device shown in FIG. 2;

FIG. 10 is a bottom view taken along line AA of FIG. 2 when the housing is rotated to another storage position in the rearview mirror apparatus shown in FIG. 2;

FIG. 11 is a front view showing a more detailed configuration of another assembled rearview mirror device for a vehicle.

FIG. 12 is a bottom view taken along line EE in FIG. 11;

FIG. 13 is a sectional view taken along line FF of FIG. 12;

14 is a bottom view taken along line EE of FIG. 11 when the housing is rotated to one storage position in the rearview mirror apparatus shown in FIG. 11;

FIG. 15 is a bottom view taken along line EE of FIG. 12 when the housing is rotated to another storage position in the rearview mirror apparatus shown in FIG. 11;

[Explanation of symbols]

11 ... base, 13 ... housing, 14, 114 ... drive unit, 26 ... projection, 31 ... housing opening, 32
... Receiving part, 41 ... Mirror, 50 ... Fixed side member, 51 ... Rotating side member, 54 ... Mounting part, 59,159 ... Dent of rotating side member, 64-69,71-79,81-83 ... Rotating mechanism, 87: dent in housing.

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-4-178184 (JP, A) JP-A-3-16841 (JP, A) JP-A-61-94845 (JP, A) 132533 (JP, U) JP-A-3-42442 (JP, U) JP-A-3-16541 (JP, U) JP-A 4-114839 (JP, U) JP-A 61-68940 (JP, U) Shokai 61-190742 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) B60R 1/074

Claims (1)

(57) [Claims] 1. A base (11) fixed to a vehicle body, a housing (13) incorporating a mirror (41), and a drive unit (14) mounted on the base.
Bei to have, the housing is mounted to the drive unit, shea
Vehicle rotatably supported around a raft (64)
In the rearview mirror device for use, the drive unit is a fixed side that supports the shaft.
A shaft holder (50), which is a member of
A rotating mechanism for rotating the shaft around the shaft,
And the drive unit is attached to the housing
A mounting portion (54) is provided for mounting the drive unit in the housing.
A recess is provided for storing
Opening in the area facing the
The receiving part (3) corresponding to the mounting part (54)
2) are provided, and a plurality of types of housings are provided in each of the housings.
The part (32) is provided with a mounting part (5) of a drive unit of the same type.
4) The projection has a shape and dimensions that can be mounted on the base , and protrudes from the base toward the housing.
(26) is provided, and the housing has
A recess (87) is provided for engaging with the projection.
The housing is located between the first storage position and the second storage position;
When rotated up to this point, the protrusions
Abuts against the end of the drive unit (14) to act as a stopper.
A recess (59) for engaging with the projection is provided;
The housing rotated together with the reversing member is the first housing.
Position has been rotated to the other of the position and the second storage position.
When the protrusion comes into contact with the end of the concave
A rearview mirror device for a vehicle, wherein the rearview mirror device is adapted to perform a parking function .