JP3342529B2 - Vanity mirror unit for sun visor - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sun visor vanity mirror unit to be mounted on a sun visor body of a vehicle sun visor.

[0002]

2. Description of the Related Art As a prior art, for example, Japanese Utility Model Application Laid-Open No.
No. 8718. This publication discloses a support shaft that rotatably supports the cover, a spring that constantly biases the cover to open, a stopper that releasably engages the lower end of the cover, and imparts rotational resistance to the cover. A sun visor for an automobile in which a braking device and a mirror provided with a cover are provided is disclosed.

[0003]

SUMMARY OF THE INVENTION The present invention relates to a sun visor vanity mirror unit, comprising: a mechanism for rotatably supporting a cover; a mechanism for urging the cover in an opening direction;
It is an object of the present invention to supervise a mechanism for applying rotational resistance to a cover and to make the entire mechanism compact and simple.

[0004]

The vanity mirror unit for a supervisor according to any one of claims 1 to 3 is described in each claim.
It has a configuration of

[0005]

The cover is urged by the spring to rotate. So
The spring case and damper
The turning parts rotate together. This allows the cover to be turned by the damper.
Dynamic resistance is added.

[0006]

Since the present invention is constructed as described above, the entire mechanism for supporting the cover rotatably and biasing it in the opening direction to apply a rotational resistance to the cover is simplified and made compact. It can be stored collectively in a small space.

[0007]

Next, one embodiment of the present invention will be described with reference to the drawings. In a sun visor vanity mirror unit U to be mounted on a sun visor body H of an automobile sun visor, a rectangular frame-shaped front frame portion 2 fixed to the sun visor body H is provided on the periphery of a synthetic resin mirror frame 1. A rectangular tubular rear frame portion 3 connected to the inner peripheral edge of the frame portion 2 and protruding rearward is formed, a mirror house 4 in which a vanity mirror 6 is fitted in the rear frame portion 3, and a lens. A lamp house 5 in which a lamp 7 covered by 8 is accommodated is formed. At the end of the front frame portion 2 on the side of the lamp house 5, a wide portion 2a having an increased horizontal width is formed.

A cover 9 that covers the vanity mirror 6 and the lens 8 when closed and that opens the front of the vanity mirror 6 and the lens 8 when opened is rotatably coupled to the mirror frame 1.

A first protruding piece 10 and a second protruding piece 11 are formed to protrude from the back surface of the end on the rotation center side of both sides of the cover 9.
A third protruding piece 12 that is inserted into and removed from the hole 32 of the mirror frame 1 is formed to protrude from the back surface of the free end side of one side edge of the cover 9.

In the locking mechanism for locking the cover 9 at the rotation end in the closing direction, the wide-width portion 2a of the front frame portion 2 of the mirror frame 1 has an elliptical hole-shaped concave portion 13 provided adjacent to the outside of the hole portion 32. The lock release button 14 urged forward by a spring is fitted in the concave portion 13.

The lock release button 14 has a base 14a slidably fitted in the recess 13 and a base 14a
A pair of leg pieces 14b connected to the back surface of the pair and projecting rearward in parallel, and a pair of inner and outer parallel guide edges inclined obliquely rearward, and between the two leg pieces 14b, on the back surface of the base piece 14a. An articulated operation piece 14c is formed, and both leg pieces 14b are prevented from being pulled out by a pin 15 inserted into the back wall of the recess 13.

At the rear end of the side wall of the recess 13, there is provided a transmission hole 16a through which the operation piece 14c of the lock release button 14 is inserted, and the lock hole 1 formed through the third protruding piece 12 of the cover 9.
A lock piece 16 whose inner end is inserted into and removed from 2a is slidably inserted inward and outward. The lock piece 16 is constantly pressed inward by the inner guide edge of the operation piece 14c of the lock release button 14. I have.

When the cover 9 is closed, the lock piece 16 is pushed by the third projecting piece 12 of the cover 9 and retreats outward once, then moves inward, and the inner end of the lock piece 16 is moved. The cover 9 enters the lock hole 12a of the third protruding piece 12 and is locked with the cover 9 closed.

In this state, when the lock release button 14 is pressed, the lock piece 16 is moved to the operation piece 14 of the lock release button 14.
The outer edge of the outer guide c pushes outward and retreats, the inner end of the lock piece 16 escapes from the lock hole 12a of the third protruding piece 12, and the locked state of the cover 9 is released.

The right end of the cover 9 on the rotation center side in the figure penetrates through the second projecting piece 11 and the rear frame 3 of the mirror frame 1.
Is rotatably supported by a support pin 17 inserted into one of the side walls 3a.

Next, a description will be given of a mechanism for rotatably supporting one end of the rotation center side end of the cover 9 and urging it in an opening direction to apply a rotation resistance to the cover 9.

The other side wall 3b of the rear frame portion 3 of the mirror frame 1 is provided with a through hole 18 formed in a circular hole and concentric with the center of rotation of the cover 9, and a through hole 18 is formed in the outer wall surface of the side wall 3b. A pair of upper and lower damper mounting pieces 1 adjacent to each other above and below
9 and a spring engaging piece 20 disposed slightly behind the lower damper mounting piece 19 are projected.

On the outer surface of the first projecting piece 10 of the cover 9, a cylindrical inner wall 21 and an outer wall 22 formed around the inner wall 21 project concentrically with the center of rotation of the cover 9. A receiving hole 31 is annularly recessed between the inner and outer wall portions 21 and 22 adjacent to the through hole 18 of the mirror frame 1.

A pair of first engaging portions 23 formed between the inner and outer wall portions 21 and 22 are formed on the outer surface of the first projecting piece 10 of the cover 9.
And the first engagement portion 23 on one side while penetrating the outer wall portion 22.
And a second engaging portion 24 formed in the vicinity of the recess.

The two damper mounting pieces 19 of the mirror frame 1
The main body 2 of the damper 25 for applying rotational resistance to the cover 9
5a is attached by a screw, and the damper 25 includes a rotatable portion 25b rotatably coupled to the main body 25a and provided inside the main body 25a in a state where a braking action is applied.

A spring serving as a coupling for coupling the first projecting piece 10 of the cover 9 and the rotatable portion 25b of the damper 25 so as to be rotatable and transmitting the rotation resistance of the rotatable portion 25b to the first projecting piece 10. The case 26 is rotatably inserted through the through hole 18 of the mirror frame 1, and the first protrusion 10 and the main body 2 of the damper 25 are
5a.

The spring case 26 has a ring-shaped outer locking portion 26a which is disposed at the outer end of the spring case 26 and in which the rotatable portion 25b of the damper 25 is inserted. A substantially semi-cylindrical spring receiving portion 26c is formed which is connected to the inner wall surface of the partition wall 26b and which is connected to the inner wall surface of the partition wall 26b and whose inner end is fitted into the receiving hole 31 of the first projecting piece 10 of the cover 9. Have been.

On the inner peripheral surface of the outer locking portion 26a of the spring case 26, a plurality of gears which mesh with the gears of the rotatable portion 25b of the damper 25 to connect the rotatable portion 25b and the outer locking portion 26a so as to be rotatable. Protrusions 27 are protruded from the inner end edge of the spring receiving portion 26 c and are respectively engaged with the first engaging portions 23 of the first protruding piece 10 of the cover 9. And a pair of inner locking pieces 28 that connect the first protruding piece 10 and the first protruding piece 10 in a rotatable manner.

In the spring receiving portion 26b of the spring case 26, the inner end is engaged with the second engaging portion 24 of the first projecting piece 10 of the cover 9 and is locked to the first projecting piece 10, and the outer end is formed. A spring 30 for urging the cover 9 in a direction in which the cover 9 is always opened with a resilient force greater than the rotational resistance of the damper 25 in a state where the portion is locked to the spring locking piece 20 of the mirror frame 1 is housed. The inner end of the spring 30 surrounds the inner wall 21 of the first projection 10 and is fitted into the receiving hole 31.

When the lock state of the cover 9 locked in the closed state is released by pressing the lock release button 14, the rotation resistance of the rotatable portion 25 b of the damper 25 reduces the spring case 2.
The cover 9 is pressed in the opening direction by the elastic force of the spring 30 while being transmitted to the first projecting piece 10 through the first protrusion 6, and the base end of the cover 9 is moved to the upper horizontal frame of the front frame 2 of the mirror frame 1. The cover 9 automatically turns to the turning end position where it contacts the part.

Next, the operation and effect of the embodiment having the above configuration will be described. In this example, in a vanity mirror unit U including a lock mechanism that locks a cover 9 rotatably coupled to the mirror frame 1 at a rotation end in a closing direction and a damper 25 that applies a rotation resistance to the cover 9, An outer end portion of a through hole 18 formed in the mirror frame 1 concentrically with the center of rotation of the cover 9 has a rotatable portion 25 of a damper 25.
b, rotatably penetrates a coupling spring case 26 whose inner end is locked to the first protruding piece 10 at the end on the rotation center side of the cover 9. A spring 30 that biases the cover 9 in the opening direction with one end locked to the mirror frame 1 and the other end locked to the first projection 10.

For this reason, the cover 9 is rotatably supported and urged in the opening direction, and the entire mechanism for applying the rotation resistance to the cover 9 is simplified and made compact so as to be collectively stored in a small space. Can be.

[Brief description of the drawings]

FIG. 1 is a side view of a vanity mirror unit for a sun visor, showing one embodiment of the present invention.

FIG. 2 is also a perspective view.

FIG. 3 is an enlarged sectional view taken along line X1-X1 of FIG.

FIG. 4 is an enlarged sectional view taken along line X2-X2 of FIG.

FIG. 5 is an enlarged exploded perspective view of a main part.

FIG. 6 is an enlarged perspective view of a spring case.

FIG. 7 is an enlarged perspective view of a damper.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Mirror frame 9 Cover 18 Through hole 25 Damper 26 Spring case 30 Spring

Claims (3)

(57) [Claims] 1. A vanity mirror unit comprising: a cover rotatably coupled to a mirror frame; a spring for urging the cover in an opening direction; and a damper for applying a rotational resistance to the cover . said mirror frame, with pierced by through-holes in the rotation center concentric with the cover is provided, the through
A spring case is inserted into the hole, and the spring case accommodates the spring therein.
One end is engaged with the cover, and the other end is
And the cover is engaged with the cover via the spring case.
A vanity mirror unit for a sun visor, which is rotatably connected . 2. A vanity for a sun visor according to claim 1.
A mirror unit, wherein the mirror frame projects from a position adjacent to a through hole.
A damper mounting piece is provided in a set shape, and the main body of the damper is mounted on the mounting piece.
In addition, make sure that it is arranged concentrically with the rotation center of the cover.
Characteristic vanity mirror unit for sun visor. 3. A sun visor according to claim 1 or 2.
A vanity mirror unit, wherein a spring case is fitted with a rotatable portion of a damper, and the rotatable
Outer locking portion engaging with the portion, and inner locking portion into which the spring is inserted
And a partition partitioning the outer locking portion and the inner locking portion.
Visor for sun visor, characterized in that it is configured as
Timirror unit.