JP3259520B2 - 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 rearview mirror device for a vehicle capable of housing a housing containing a mirror.

[0002]

2. Description of the Related Art A conventional rear-view mirror apparatus of this type is, for example, as disclosed in Japanese Utility Model Laid-Open Publication No. 4-85061, in which a drive unit is interposed in a base in which a housing incorporating a mirror is fixed to a vehicle body. It is installed as The drive unit may be manually or electrically driven. These drive units can rotate the housing between the use position and the storage position by operating the motor or pushing the housing by hand. Upon contact, it is rotated to the rearwardly inclined position or the forwardly inclined position.

[0003] Of these, the electric drive unit has a fixed member fixed to the base, a rotating member fixed to the housing, and a connecting member connecting the rotating member and the housing. The rotation-side member is rotatably held on the shaft, the gear is idled on the shaft, and a motor and a group of gears connecting the motor and the gear on the shaft are incorporated in the rotation-side member. The gears on the shaft are stopped from rotating and constitute a clutch together with the clutch member inserted into the shaft, and are pressed against the clutch member by a coil spring inserted into the shaft.
When the housing is rotated to the use position or the storage position, the motor rotates the gear group, the gear meshing with the gear on the shaft in the gear group rotates and revolves around the gear on the shaft, and the rotating member is the housing. This is done by performing a rotation around the shaft. In manual adjustment, when the housing is pressed by hand with the motor stopped, the gear on the shaft is disconnected from the clutch member, and the rotating member rotates with the gear on the shaft about the shaft. Thus, the housing is rotated to the use position or the storage position. When a person or an object comes into contact with the housing, the gear on the shaft is separated from the clutch member, and the rotating member rotates around the shaft together with the gear on the shaft in the rearwardly inclined position or the forwardly inclined position. It has become.

The manual drive unit has a fixed member fixed to the base, a rotating member fixed to the housing, and a connecting member connecting the rotating member and the housing. Provided on the member,
The rotating side member is rotatably attached to the shaft, and is pressed against the fixed side member by a coil spring inserted into the shaft, and when the housing is pressed by hand, or when a person or object comes into contact with the housing. The rotation side member is rotated together with the housing to the use position or the storage position against the spring force of the coil spring.

Furthermore, in view mirror device after these, a groove which has an arc shape which shares the shaft and the center provided in the fixed side member, the circular rotation member is held to the ball
By positioning an arc groove is inserted into the shaft, the housing is rotated to the use position or the storage position, the ball comes into contact with the respective end of the arcuate groove, which limits the rotation of the rotating member housing but if such person or thing is in contact with the housing in the use position, the ball moves to the surface of the Rikoe and stationary member multiplied by the ends of the arc groove, the backward rotation of the tilting position or the forward tilt position At the same time, the rotating member rises together with the housing to further compress the coil spring, thereby absorbing impact and the like. A projection is provided on the fixed-side member toward the rotation-side member, and a recess is provided on the rotation-side member. When the housing is rotated to the rearwardly inclined position or the forwardly inclined position, the projections fit into the concave and rotate. The housing collides with the side member and prevents rotation of the housing in the rearwardly inclined position or the forwardly inclined position .

[0006]

However, in such a rearview mirror apparatus, the housing and the base are
There are several models modeled according to the style of the car body to be installed, drive units are also designed and manufactured according to each model, and it is necessary to prepare an electric drive unit and a manual drive unit, In order to manufacture the drive unit, not only must a number of molds and jigs be manufactured and checked and managed, but also a variety of manufactured parts need to be checked and managed. Significant costs are also required in the manufacture of mirror devices.

The present invention provides an improved rearview mirror system of this type which minimizes manufacturing and management costs.

[0008]

A basic technical idea of the present invention created to achieve the above object is to share a drive unit so as to be compatible with a plurality of types of housings. As a specific configuration based on the above-described principle, a vehicle rearview mirror device according to the present invention includes a base (10) fixed to a vehicle body, a housing (11) in which a mirror (12) is incorporated, and a base (10). and mounted Ru drive unit (13) has a, in view mirror device after the vehicle in which the drive unit Ru is mounted relative to the housing,
The housing has an opening in an area facing the base.
And a drive unit inserted from the opening.
A room with a certain shape and size for storage (1
7), wherein the driving unit has a constant shape and size
And a member fixed to the base.
Shaft holder (15) and the housing
Rotate around the shaft (21) supported by the holder
And a rotation drive unit for
When storing and mounting the drive unit in the room
A support (14) fitted into said opening is formed in the opening;
And the part corresponding to one type of the drive unit
The shop is provided on a plurality of types of housings .

[0009]

According to the configuration of the present invention described above, the common use
For mounting the mounted drive unit on the housing.
Attached portions (supports 14) are formed, and a plurality of types are provided.
For each of the housings
Since the knit receiving portion (room 17) is provided,
Common drive for any of several housings
Supported rotatably with respect to the base via the unit,
In addition, it is possible to perform a tilt.

[0010] A single type of drive unit is replaced with a plurality of types of hows.
Can be adapted to the
Supply a single type of drive unit to the housing
In short, the mass production of a small number of models
Is obtained.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The rearview mirror device is constructed for an automobile .
In the embodiment, there are a plurality of models according to various automobile designs . Each rearview mirror device includes a housing fixed with a base and a mirror fixed to the body of the automobile, and the drive unit causes the housing to rotate to the use position and the storage position, and
When a person or an object comes into contact with the housing, the housing is rotated to the rearwardly inclined position and the forwardly inclined position.

FIG. 1 shows a rear-view mirror device, in which a base 10 and a housing 11 are formed according to the style of a vehicle in which the rear-view mirror device is installed. The base 10 is fixed to the body of the automobile. Housing 11
Incorporates a mirror unit 12 composed of a mirror and a mirror holder. The mirror unit 12 is supported by the housing 11 via a tilting mechanism 12A having a ball joint, and can be tilted in any direction. Further, a drive unit 13 is incorporated between the housing 11 and the base 10, and the drive unit 13 is disposed on the housing 11 at a use position where the drive unit 13 projects substantially at right angles from the vehicle body shown in FIG. Storage location
Rotation is performed between a rearwardly tilted position further in front of the drawing sheet and a forwardly tilted position further behind the drawing sheet. Although not shown, the base and the housing of the rear-view mirror device installed in another automobile have the same configuration except that only the appearance is different.

[0013] In view mirror apparatus Thereafter, the drive unit 13 against each of the following-view mirror device, as the method for rotating the housing 11 by the motor, there are those of type rotating by manual, after each view mirror The housing 11 of the device is provided with a room in which these drive units fit.

The drive unit 13 is a device for rotating the housing by a motor. The drive unit 13 moves the housing 11 to a use position, a storage position, a backward tilt position and a forward tilt position , and
And a support for carrying the drive mechanism. The support is indicated generally by the reference numeral 14 and comprises a member 15 fixed to the base 10 and a member 16 fixed to the housing 11, as shown in FIG. Support 14 above
Is a drive unit as shown in FIG.
Component serving to attach 13 to housing 11
Minutes. Wherein the drive unit 13, since a device for rotating the housing 11 relative to base 10, and a portion to be attached to the base which is a fixed member, a portion to be mounted on a rotary member <br/> housings have. Explanatory service
For convenience, the components mounted on the base are called fixed-side members.
Reference numeral 15 denotes a component that rotates together with the housing.
The material is referred to as a rotation side member, and is denoted by reference numeral 16. The rotating side member 16 and the fixed side member 15 are formed so as to constitute one closed container 14. The drive mechanism is incorporated and sealed inside the container 14. Drive mechanism itself, a shaft provided on the stationary member 15, gear attached by interposing a clutch shaft, ing from such gear train connecting the motor and the motor and the shaft built in the rotary member 16. The above motor is house
This is for rotating the gear. However, this motor stops
When stationary, housing collides with human body or external obstacles
The housing is turned to cushion it.
It needs to be done. For this reason, the paragraph number after
As described in 0032, driven rotation for buffering is also possible
What is going on.

A drive unit for manually rotating the housing 11 is not shown, but the drive unit 1 is not shown.
3 is provided with a support 14 composed of a fixed side member 15 and a rotating side member 16 which are configured in the same manner as in FIG. The drive mechanism includes a shaft provided on the fixed member 15, a coil spring inserted into a shaft for pressing the rotating member 16 against the fixed member 15, and the like.
Is pressed by hand to rotate the rotation side member 16 together with the housing 11 to the use position or the storage position, and when a person or an object comes into contact with the housing 11, the rotation to the rearwardly inclined position or the forwardly inclined position is performed. 11 together with the rotation-side member 16.

Each of the drive unit 13 and the housing 11 in which the other drive unit is incorporated has a main body portion having a substantially box-shaped configuration and leg portions integrally formed on side surfaces of the main body portion. The room 17 is provided on a leg portion on a side surface of the housing 11. The room itself has a shape and a size in which the support 14 in the drive unit fits tightly, and a wall facing the base 10 in the leg portion is open to the outside space. The incorporation of the drive unit into each housing 11, for example that of the drive unit 13, inserts the rotating side member 16 of the drive unit 13 from the room opening in the leg of the housing 11 and fixes it to the housing 11 and positions it in the room opening. The fixed side member 15 is connected to the base 10.

Further, the drive unit 13 and the drive unit for manually rotating the housing 11 are provided with a flange 14A near an end of the rotary member 16 opposite to the insertion-side tip of the housing 11, and the housing 11 is provided with a room 17 be provided with indentations 17A receives the flange 1 4 a in the vicinity of the opening of, when each of the drive unit is inserted into the housing 11 of-view mirror device after each flange 14A in each of the drive unit room 1
7 and the support 11 and the base 1
0 and the coupling mechanism is made to match exactly with have One vertically. And the room 17 in the housing 11
Is the rotation side member 1 of the support 14
6 is formed so as to correspond to the outline of the horizontal section.
In other words, the support 14 of each drive unit is provided in the room 17 without rattling in the horizontal direction, and the fixed side member 15 and the base 1 of each drive unit are provided.
0 coupling means are adapted to match the can have One horizontal accuracy with.

To fix the drive unit to the housing 11 of each rearview mirror device, an adhesive 18 is applied to the inside of the room 17 or the outer surface of the rotating member 16 and the rotating member 16 is inserted into the room 17. This is done by curing the adhesive 18. However, in this rearview mirror apparatus, the drive unit is fixed not only by the adhesive 18 but also by the protrusion 19 on the housing 11 and the support 1 of each drive unit.
This is also achieved by the indentation 20 in the rotating side member 16 constituting 4. The protrusion 20 has a trapezoidal cross section, and the depression 19 also has a trapezoidal cross section. When each drive unit is inserted into the housing 11, the rotation side member 16 or the room 17 in the housing 11 is formed. The wall or both may flex, project
After the dent 19 is fitted into the recess 19, the rotation side member 16 and / or the wall forming the room 17 in the housing 11 are elastically restored to fix the drive unit to the housing 11 and until the adhesive 18 is hardened. The drive unit can be held.

The rearview mirror apparatus according to the present invention is
Not only can electric drive units and manual drive units be incorporated into models that are shaped according to the style of the car, but also one type of electric drive unit and one manual drive unit can be prepared, and each rearview mirror device By providing a room 17 having a fixed shape and size in the housing 11, a single type of drive unit can be used for a rearview mirror device having a variety of styles, that is, a drive for each rearview mirror device is performed. Eliminating the need for separate units reduces the number of drive units, reduces the overall cost of drive units, and enables mass production of drive units, further reducing the cost of manufacturing each drive unit Can be done. Since the support 14 is formed of a container and the drive mechanism is incorporated in the container 14,
The drive unit can be assembled to the housing 11 of each rear-view mirror device without any damage or adhesion of dust, and the rear-view mirror device can be operated with high reliability. The fixing of the drive unit to the housing 11 is also performed by applying an adhesive to the support 14 or the room 17 in advance.
This can be performed by inserting the support 14 into the room 17, so that the drive mechanism is not damaged and the drive unit can be easily incorporated into the housing 11 of each rear-view mirror device, and the assembly can be automated. Can also be easily implemented. At this time, the protrusion 20 on the housing 11 is
9, the time and effort required for fixing the drive unit until the adhesive 18 is solidified is not required, so that the assembly of the drive unit to the housing 11 of each rear-view mirror device can be performed more easily, and automation can be achieved. Can be performed more reliably.

FIGS. 3 to 8 show details of a rear-view mirror apparatus for rotating a housing by a motor.

As described above, the drive unit 13 has the support 14 composed of the fixed member 15 and the rotating member 16.
Are formed to constitute one container. The fixed side member 15 has a hollow shaft 21 as shown in FIGS. A gear 22 is attached to the shaft 21.

The rotation-side member 16 comprises a main body member 23, a bridge 24 incorporated in the main body member 23, and a lid member 25 into which the main body member 23 is fitted. The main body member 23 has a substantially box-like shape with an upper part opened, and is integrally formed with a flange 26 at a lower part, a bridge receiver 27 inside, a through hole 28 near one end of the bottom surface, and a through hole at the bottom surface. A groove or dent 16A located on a virtual circle sharing the center with the hole 28 is provided. Bridge 24
Is for incorporating a motor, a substrate having a motor drive circuit, gears, and the like, has a shape and a size that fits into approximately half of the main body member 23 through the through hole 28 of the main body member 23, and has a motor receiving end at one end. 30 and another receiver 31 are integrally formed at the other end. The lid member 25 fits on the open end side of the main body member 23 and forms a closed space together with the main body member 23. The lid member 25 has a box shape with one end opened, and the open end is connected to the open end of the main body member 23. It is formed to fit. A connector 32 having a connection portion inside and outside of the lid member 25 is attached to the upper surface wall of the lid member 25. The motor 33 is formed by passing a shaft through a hole in the center of the
It is fixed to. Substrate 3 having drive circuit for motor 33
4 is placed on another tray 31,
It is fixed to the motor receiver 31 by a self-tapping screw 35.

As shown in FIG. 6, a worm 37 is attached to a shaft of the motor 33 with a coupling 36 interposed therebetween. The worm 37 is a worm wheel 38
Are engaged. Worm wheel 38 is worm 3
The shaft of the worm 39 is held by a bearing in the main body member 23. A ball is disposed between the shaft of the worm 39 and the main body member 23 to receive a thrust load. As best shown in FIG. 5, a shaft 40 is positioned across the bridge 24 and the bottom wall of the body member 23, and is held at both ends by bearings located at them. A coaxial gear 41 formed by coaxially forming the worm wheel and the spur gear is engaged with the worm 39 by the worm wheel.
Mated and fixed. Further, the shaft 42 is located near the coaxial gear 41 and is held by bearings in the main body member 23 and the bridge 24. A gear 43 is engaged and fixed to the shaft 42.

The shaft 21 on the fixed member 15
Has a flat surface extending in the longitudinal direction on a part of the peripheral surface. The gear 22 is provided with a hole corresponding to the cross section of the shaft 21 and is fitted to the shaft 21 so as to be able to rotate and slide. Further, a member 45 forming a clutch together with the gear 22 is disposed between the gear 22 and the fixed-side member 15. The clutch member 45 is substantially in the form of a ring, has a pawl on an end surface where the gear 22 is peeled, and is inserted into the shaft 21 so as to be slidable only. The gear 22 is fitted on the shaft 21 so as to be able to rotate and slide, and has a groove formed on an end face of the clutch member 45, the groove engaging with the pawl of the clutch member 45. Is connected to the shaft 21 or the fixed side member 15. The coil spring 47 is inserted between the gear 21 and the spring receiver 22A fixed to the free end side of the shaft 21 and is inserted into the shaft 21 to maintain the engagement between the pawl of the clutch member 45 and the groove of the gear 22. I have. The sliding plate 46 includes the rotating member 16 and the clutch member 45.
And is fitted to the shaft 21.

Further, the fixed side member 15 is provided with a groove 48 in a seat. The groove 48 has an arc shape sharing the center with the shaft 21. The ball 50 is inserted into the fan-shaped groove 48, and is held by a recess 49 in the main body member 23 constituting the rotation-side member 16. The rotary member 16 that is inserted into the shaft 21 by interposing the ball 50.

The assembling of the drive unit is performed, for example, by mounting the sliding plate 46, the clutch member 45, and the gear 22 on the shaft 21.
Then, the clutch is assembled by attaching the coil spring 47, and the spring receiver 22A is fixed to the shaft 21, and separately or subsequently, the motor 33,
The gears 36 to 38 and the coaxial gear 41 are assembled, the shafts 40 and 42 are fixed to the main body member 23, and the gears 41 and 43
Are attached to the shuffs 40 and 41, and the opposite ends of the shafts 40 and 42 are fitted into the holes of the bridge 24, so that the bridge 2
4 into the main body member 23 and the shafts 40, 4
Attachment is attached to the end protruding from the bridge 24 in 2, the cable 44 is passed through a hole in the shaft 21, and a part of the wire in the cable 44 is connected to the drive circuit board 34, and the rest of the wire is connected to the connector 32. Connect, cover member 25 mates with body member 23 and secures thereto, and shaft 21 is passed through body member 23 such that gear 22 meshes with gear 43 and ball 50 is located in groove 48. This is done by fitting into the hole 28.

The base 10 is composed of a main body 51 and a cover 52, as shown in FIG.
The main body 51 and the cover 52 have a substantially L-shaped form, and a portion 5 of the main body 51 which is one side of L is formed.
3 is provided with a seat 54 and a projection 55, and a portion 56 on one side of the cover 52 is provided with an opening 57 through which the portion 53 of the main body 51 passes. The main body 51 is assembled with the cover 52 by passing the portion 53 through the opening 57 of the cover 52, and the portion 53 is coupled to the fixed side member 15 of the drive unit 13.

The housing 11 has a substantially box shape with one of its side faces opened. The room 17 for accommodating the drive unit 13 is formed by an outer wall 61 forming the housing 11, an L-shaped side wall 62 and an upper wall 63. A region facing the base 10 in the room 17 is opened to the outside by an opening formed in a lower wall of the housing 11. The mirror unit 12 includes a mirror 65 and a mirror holder 66. The mirror 65 is fixed to a mirror holder 66, and the mirror holder 66 is a member 6 incorporating a tilting mechanism.
7, the member 67 is fixed inside the housing 11. Tilting mechanism is formed of a ball joint comprising a ball seat 6 9 formed on the sphere 68 and member 67, and, the mirror 65 and the mirror holder 66, such as a motor for tilting movement around the ball joint member 67 Built in.

The drive unit is assembled to the housing 11 by inserting the rotary member 16 constituting the support 14 of the drive unit 13 into the room 17.
This is performed by fixing to the housing 11. The fixing is performed by applying an adhesive 18 to the inner surface of the room 17 or the outer surface of the rotating member 16, fitting the rotating member 16 into the room 17, and curing the adhesive 18. Then, the mounting of the base 10
Is fitted to the recess 16A of the main body member 23 of the rotation side member 16 of the drive unit 13 and is put on the fixed side member 15, and the bolt 70 is passed through the cover 52 and the main body 51 to the fixed side member 15. It is done by screwing.

The depressions 19 and the protrusions 20 for holding the drive unit 13 on the housing 11 are provided on the support 10 and the housing 11, respectively, as described above. The recess 19 has a trapezoidal cross section as shown in FIG.
Is provided on a wall of the main body member 23 that is located in the lateral direction. The protrusion 20 also has a trapezoidal cross section, and is provided on a side wall of the housing 11 which is located in the short direction and forms a room 17 so that the drive unit 13 is engaged with the recess 19 when the drive unit 13 is inserted into the housing 11. Have been. When the drive unit 13 is inserted into the housing 11, the rotating member 16 and / or the wall forming the room 17 in the housing 11 bends, and the protrusion 20 is engaged with the recess 19. The wall forming the room 17 or both of them in the housing 11 is elastically restored so that the container 14 is held by the housing 11. The dent 19 is provided at a portion protruding from the surface of the main body member 23, and this protruding portion holds the adhesive between the outer surface of the rotating member 16 and the surface forming the room 17. A space 71 is formed, and when the drive unit 13 is inserted into the housing 11, an inclined surface 71 formed at an end of the support 14 which is located on the distal end side with respect to the protrusion 20, allows the rotation-side member 16 to be formed.
Is inserted into the room 17 so that the protrusion 20 can be smoothly cut into the dent 19.

Housing 1 in use position and storage position
The rotation of 1 is performed as follows. By operating the motor 33, the worm 37 rotates the worm wheel 38.
And a coaxial gear 41 and rotate with the worm 39, the coaxial gear 41
In the gear 43 rotating strike, the gear 43 is publicly around the gear 22
It rotates while rolling. As a result, the housing 11 is
The shaft 21 rotates about the shaft 21. If the motor 33 is positive,
When reversed, the housing 11 moves in the storage direction and the upright direction.
Rotate. Rotated in the upright direction to normal use position
When, as shown by the solid line in positioning the Figure 7 of the housing 11, the ball 50 is made by those serving the one end of the arcuate groove 48, the positioning in the storage position the ball 5
0 Ru made by those serving the other end of the arcuate groove 48.
At the time of this stopping operation, the coil spring 47 presses the gear 22 against the clutch member 45, and the worm 37 and the worm wheel 38 and the worm 39 and the worm wheel of the coaxial gear 41 are automatically closed.

When the housing 11 is rotated to the use position or the storage position and the motor 33 is stopped and the housing 11 is pushed by hand, the rotation of the gear group is locked. The clutch member 45 slips off from the groove of the gear 22, and the gear 22 rotates around the shaft 21 together with the rotating member 16 and the housing 11 while meshing with the gear group. Furthermore, when the housing 11 is in the use position, when a person or object comes into contact with the housing 11, the gear group is prevented from rotating, so that the gear 22 slides against the clutch member 45 and the groove of the gear 22 The member 22 is disengaged from the pawl, and the gear 22 rotates around the shaft 21 together with the rotating member 16 and the housing 11 while meshing with the gear group. The rotation is prevented by the protrusion 55 on the base 10 hitting the end of the recess 16 </ b> A on the main body member 23 of the rotating member 16. At this time, ball 5
0 comes off the groove 48 as shown by a chain line in FIG.
Riding on the surface of the seat of the base member side member 15, the coil spring 47 is further compressed by this, so as to reduce the impact on people and things.

[0033] In view mirror apparatus Thereafter, support 14 consists of the body member 2 3 and the lid member 25, the body member 2 3
Seal the built-in drive mechanism by the cover member 25 to, in and embedded into the housing 11, the drive mechanism is to be protected from adhesion of damaged or dust, depending on the situation, the room in the housing 11 the upper wall 63 which forms a 17 together so as to form a cover member, may be brought to attach the connector 32 to the upper wall 63, it is possible to reduce the number of parts by the doing so .

In this rearview mirror apparatus, the support 14 comprises a main body member 22 and a lid member 25.
The drive mechanism incorporated in the housing is hermetically sealed by a lid member 25 so that the drive mechanism is protected from damage to the drive mechanism and dust adhesion before assembly when the housing is assembled into the housing. The lid member 25 is formed by the upper surface wall 63 forming the room 17 in
The connector may be attached to the connector, so that the number of parts can be reduced. FIG. 9 shows an example of such a rearview mirror apparatus.

This rear-view mirror device also includes a base 10 fixed to the vehicle body, a housing 11 containing a mirror, and a drive unit incorporated in the housing 11.

The drive unit 13 includes a support 14 composed of a fixed member 15 and a rotating member 16 in the same manner as the rear-view mirror device described with reference to FIGS.
Among these, the fixed side member 16 is configured in the same manner as the rearview mirror device described with reference to FIGS. 1 to 8, but the rotating side member 16 is composed of only the main body member 22, Has the same configuration as the rear-view mirror device described with reference to FIGS. The driving mechanism is also shown in FIGS.
As with the rearview mirror device described in connection with
1, a gear 22 on a shaft, a motor 33 carried on the rotation-side member 13, a group of gears arranged between the motor and the gear 22 and incorporated in the main body member 22. The main body member 22 is rotatably held by the shaft 21, and the gear 22 is inserted into the shaft 21 and forms a clutch together with the member 45 and the coil spring 47.
The fixed-side member 12 is provided with an arc-shaped groove 48 having the same center as the shaft 21, and the rotating-side member 13 drops the ball 50 held therein into the arc-shaped groove 48 and is inserted into the shaft 21.

The base 10 and the housing 11 have the same configuration as those of the rearview mirror apparatus described with reference to FIGS. As described with reference to FIG. 7, the base 10 includes the main body 51 and the cover 52, and the main body 21 is combined with the cover 52 by passing the opening 53 of the cover 52 through the portion 53, The part 53 is connected to the fixed side member 15 of the drive unit. The housing 11 has a substantially box shape with one of its side surfaces opened, and the room 17 for accommodating the drive unit includes an outer wall 61 forming the housing 11, an L-shaped side wall 62 and an upper wall 63. The area facing the base 10 in the room 17 is opened to the outside by an opening formed in the lower wall of the housing 11. However, the connector 32 is
Is mounted via an adapter. Although not shown, the mirror unit is incorporated in the housing 11 via a tilt mechanism including a motor for tilting the ball joint and the mirror holder unit about the ball joint.

Housing 1 to use position and storage position
1 of rotation, actuates the motor 33, around the rotation to the gear meshing with the gear 22 and gear 22 is publicly rolling, by rotating the housing 11 about the shaft 21 or the shaft of the motor 33 This is performed by rotating the gear 21 in the reverse direction so that the gear meshing with the gear 22 rotates in the opposite direction and revolves around the gear 22 in the opposite direction. Positioning of the housing 11 in the use position the ball 50 is made by those serving the one end of the arcuate groove 48, positioned at the retracted position the ball 50 is
The other end of the arcuate groove 48 have been made by those serving,
The stopping is performed by the coil spring 47 pressing the gear 22 against the member 45 and by the automatic closing action of the worm and the worm wheel.

When the housing 11 is rotated to the use position or the storage position and the motor 33 is stopped, and the housing 11 is pushed by hand, the gear 22
The gear group (see FIG. 6) that meshes with the worm
Because it is locked to rotate by, the gear 22 slide down and against the member 45, out claw member 45 from the groove of the gear 22, the gear 22 remains in mesh with the gear 43 rotating side member 16 and the housing 11 Shaft 2 with
Rotate around 1. Furthermore, when the housing 11 is in the position of use, even when such as a person or thing is in contact with the housing 11, since the gear meshing with the gear 22 is locked to rotation, sliding gear 22 is against the member 45 Rutotomoni groove of the gear 22 is out of the pawl member 45, the gear 22 rotates about the shaft 21 together with the rotary member 16 and the housing 11 remains engaged with the gear group. The rotation of the housing 11 is achieved by the protrusion 55 on the base 10.
Is prevented by hitting the end of the dent 16 </ b> A in the main body member 23 of the rotation side member 16. At this time, the ball 50 is out of the end of the groove 48, rides on the surface of the seat of the fixed member 15, relieving the impact on the human or external obstacles
And, and, after then relax the impact applied from the human or external obstacles
Prevents damage to the mirror device.

[0040]

According to the external rear-view mirror apparatus for a vehicle of the present invention, according to the present invention
And multiple types of housings with different designs
Is configured for each housing
Through a common drive unit so that it can be mounted
Each of the housings can be pivotally mounted
Therefore, if the manufacturing cost of the drive unit is reduced,
In addition, man-hours required for the assembling work are reduced. Besides, driving
The common use of units facilitates the automation of assembly work.
You.

[Brief description of the drawings]

FIG. 1 is a front view showing one embodiment of a vehicle rearview mirror device of the present invention.

FIG. 2 is a sectional view taken along line AA of FIG.

FIG. 3 is a front view showing a more detailed configuration of the vehicular rearview mirror device of the present invention, with a base omitted.

FIG. 4 is a cross-sectional view taken along a line BB of FIG. 3 with a part thereof omitted.

FIG. 5 is a sectional view taken along the line CC of FIG. 4;

FIG. 6 is a perspective view showing an arrangement state of a motor and a gear in a drive unit.

FIG. 7 is a sectional view taken along line DD of FIG. 5 and developed on a plane.

FIG. 8 is an exploded perspective view of the entire rearview mirror apparatus.

FIG. 9 is a sectional view showing another embodiment of the vehicular rearview mirror device of the present invention.

[Description of Signs] 10: Base 11: Housing 11 14, Support 17: Room 21, 22, 33-50 Drive mechanism 65: Mirror.

Claims (1)

(57) [Claims] 1. A base (10) fixed to a vehicle body, a housing (11) in which a mirror (12) is incorporated, and mounted on the base.ToDrive unit (13)
And the drive unit is mounted on the housing.To
In a vehicle rearview mirror device,The housing has an opening in an area facing the base.
And a drive unit inserted from the opening.
A room with a certain shape and size for storage (1
7) The drive unit has a certain shape and size, and
A shaft holder (1) which is a member fixed to the base
5) and supporting the housing on the shaft holder.
Rotating drive for rotating around the shaft (21)
Moving part, and The rotation drive unit houses the drive unit in the room.
And a support to be fitted into the opening when mounting
(14) is formed, The plurality of rooms corresponding to one type of the drive unit are plural.
Type of housing provided A car characterized by that
Dual-purpose rearview mirror device.