JPH0811532A - Vanity mirror unit - Google Patents

Abstract

PURPOSE:To make the visual designability of an on-off lid so as to keep well by reducing mold expenses and assembling manhours and simultaneously promoting the protection of this on-off lid through the adoption of simple constitution, in this vanity mirror unit being set up in an automobile sun visor or the like. CONSTITUTION:A first cam surface 25a and a second cam surface are formed in two cam pieces 25 to be installed at both sides of a turning shaft of an on-off lid 23, while in order to promote the good holding of an opening state of this on-off lid 23, an engaging projection 26 is formed there, and an engaging part 33 is installed in a cantilever type plate spring 30 to receive this engaging projection 26. At the time of the opening state of the lid 23, the holding of the lid 23 is carried out by the plate spring 30 alone, while the cantilever type plate spring is adopted, whereby an integral injection molding between the lid 23 and a body panel 22 is made achievable.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vanity mirror unit mounted on a sun visor for automobiles,
In particular, the present invention relates to a vanity mirror unit that can be easily manufactured at low cost and has improved usability.

[0002]

2. Description of the Related Art For example, FIG. 5 shows an automobile sun visor 1 having a sunshade function, which is installed on the front side of a passenger seat of a passenger car. In order to improve usability, the surface side (sun visor 1) of the sun visor 1 is improved. In many cases, the vanity mirror unit 2 is adopted on the side facing the passenger in the auxiliary seat).

The structure of this vanity mirror unit 2 is as follows.
As shown in FIG. 6, the main body panel 4 having the vanity mirror 3 attached to the front surface thereof, the back cover 5 attached to the back of the main body panel 4, and the main body panel 4 capable of being opened and closed so as to cover the front side of the vanity mirror 3. The opening / closing lid 6 is attached to the main body panel 4 via pins 7 on both sides of the rotary shaft, and the opening / closing lid 6 is attached to the opening / closing lid 6 at this axial support portion. A cam piece 8 is formed, and a leaf spring 9 having a substantially U-shaped cross section attached to the main body panel 4 and the back cover 5 and the cam piece 8 are elastically contacted with each other, whereby the open / close lid 6 is closed.
In addition, the open state is maintained.

That is, in the closed state of the opening / closing lid 6 shown in FIG. 6, the first cam surface 8a of the cam piece 8 elastically contacts the leaf spring 9, and the opening / closing lid 6 is biased in the closing direction. In addition, as shown in FIG. 7, when the opening / closing lid 6 is opened, the second cam surface 8b of the cam piece 8 and the leaf spring 9 elastically contact each other, so that the opening / closing lid 6 is spring-loaded in the opening direction. I am energetic.

Regarding the attachment of the leaf spring 9, after the back cover 5 is heat-sealed and fixed to the main body panel 4,
The opening / closing lid 6 is assembled, and then the leaf spring 9 is inserted in a predetermined position to assemble.

[0006]

As described above, in the conventional vanity mirror unit 2, due to the elastic contact between the cam piece 8 provided on the opening / closing lid 6 and the U-shaped plate spring 9,
The open / close lid 6 is held in the closed state and the open state. For example, in the open state of the open / close lid 6 shown in FIG. 7, the engaging force between the second cam surface 8b of the cam piece 8 and the leaf spring 9 is large. The open / close lid 6 cannot be supported only by itself, and the open / close lid 6 hits the upper edge corner portion 4a of the main body panel 4 to support the open / close lid 6 at this portion.

Therefore, the opening / closing lid 6 and the body panel 4
It has been pointed out that the abutment with the upper edge corner portion 4a easily damages the opening / closing lid 6 and easily deteriorates the appearance quality.

Further, when the opening / closing lid 6 is opened, the opening / closing lid 6 is held by the abutting action of the opening / closing lid 6 and the upper edge corner portion 4a of the main body panel 4, so that the opening / closing lid 6 is apt to be grinded, which is not convenient. Was also connected.

Further, the conventional vanity mirror unit 2
It is also pointed out that, since the main body panel 4, the back cover 5, and the opening / closing lid 6 are separately molded and then the three members are assembled, the number of steps is increased and the cost of the product is increased.

The present invention has been made in view of the above circumstances, and in a vanity mirror unit equipped in an automobile sun visor or the like, it can be easily and inexpensively manufactured by reducing the number of parts, and can be opened and closed. When the lid is open, the open state of the open / close lid can be supported only by the engagement force between the cam piece and the leaf spring provided on the open / close lid, and it is possible to provide a vanity mirror unit with excellent usability that does not cause defective appearance. Has an aim.

[0011]

In order to achieve the above object, the present invention provides a main body panel for mounting and supporting a vanity mirror on the front side thereof, and an openable and closable mount on the main body panel so as to cover the vanity mirror. The opening and closing lid is provided with cam pieces provided at both ends of the rotating shaft of the opening and closing lid, and the first cam surface and the second cam surface of the cam piece are provided at the elastic contact portion of the cantilever type leaf spring inserted into the main body panel. In the vanity mirror unit in which the open state and the closed state of the open / close lid are respectively held by elastically contacting each other, in the open state of the open lid, the second cam surface of the cam piece and the elastic contact portion of the leaf spring are The engaging projection is formed on the cam piece so as to engage with each other, and the main body panel and the opening / closing lid are integrally formed by inserting the leaf spring and the pivot pin. To.

[0012]

As is apparent from the above structure, the engagement protrusion is formed on the cam piece provided on the pivotal support portion of the opening / closing lid, and engages with the engagement protrusion when the opening / closing lid is open. Is provided in the leaf spring, the second cam surface and the elastic contact portion of the leaf spring make elastic contact with each other and the engaging protrusion of the cam piece fits in the engaging portion of the leaf spring when the opening / closing lid is in the open state. Therefore, unlike the conventional case, the open / close lid can be supported by the leaf spring alone without setting a stopper portion on the body panel side.

Further, by using a cantilever type leaf spring, if the pivot pin and the leaf spring are set in the mold, the main body panel and the opening / closing lid can be integrally formed by injection molding. Is.

[0014]

Embodiments of the vanity mirror unit according to the present invention will be described below in detail with reference to the accompanying drawings.

FIG. 1 is a front view showing a state in which the vanity mirror unit according to the present invention is mounted on a sun visor installed on the auxiliary seat side of a passenger car, and FIGS. 2 to 3 are views of an opening / closing lid of the vanity mirror unit shown in FIG. FIG. 4 is a cross-sectional view of a mechanical portion showing a closed state and an open state, respectively.
FIG. 4 is a cross-sectional view of a main part showing an improved example of the mechanical portion of the vanity mirror unit according to the present invention.

In FIG. 1, reference numeral 10 denotes an automobile sun visor installed on the side of an auxiliary seat of a passenger vehicle. The sun visor 10 is vertically rotatable about an axis of a rotating shaft 11 and is rotatable. The shaft 11 is rotatably inserted in a bracket 12 fixed to the vehicle body side, and by rotating the rotating shaft 11 in the bracket 12, the shaft 11 can be rotated in the left-right direction.
The sun visor 10 is rotatable in the vertical and horizontal directions so that the sun visor 10 can be stored in the ceiling surface and can shield the front window and the side windows.

By the way, the present invention relates to the vanity mirror unit 20 installed in such a sun visor 10, and since the structure is simplified, the assembly is easy and the usability is improved. Is a feature.

That is, the vanity mirror unit 20
As shown in FIGS. 1 and 2, a vanity mirror 21 is fixed to the front side of the vanity mirror 21, and a main body panel 22 that supports the vanity mirror 21 and an openable and closable attachment to the main body panel 22 are provided. Openable lid 2 that covers the surface
3 and the shaft support pins 24 are embedded on both sides of the rotary shaft of the opening / closing lid 23.
The opening / closing lid 23 can be opened and closed with respect to the main body panel 22 by bearing the bearing on the receiving portion of the main body panel 22.

Further, regarding the opening / closing mechanism of the opening / closing lid 23, the cam pieces 25 are formed on both sides of the opening / closing lid 23, and the elastic contact portion of the cantilever type leaf spring 30 which is insert-integrated with the main body panel 22. 31, the first cam surface 2 of the cam piece 25 corresponding to the opening / closing operation of the opening / closing lid 23.
5a and the second cam surface 25b are alternately in elastic contact with each other, and the closed state and the open state of the open / close lid 23 are favorably maintained.

By the way, according to the present invention, the cam piece 25 is provided with the engaging projection 26, and the engaging projection 26 is provided with the opening / closing lid 23.
By engaging with the engaging portion 32 of the leaf spring 30 in the open state, the leaf spring 30 alone can open and close the opening / closing lid 23 without setting a stopper portion on the main body panel 22 as in the conventional case.
The characteristic is that

Next, the holding mechanism of the open / close lid 23 in the closed state of the open / close lid 23 in FIG. 2 and in the open state of the open / close lid 23 in FIG. 3 will be described.

First, FIG. 2 shows a closed state of the opening / closing lid 23. In this state, the first cam surfaces 25a of the cam pieces 25 provided on both sides of the opening / closing lid 23 have the leaf springs 3 formed thereon.
It is in elastic contact with the elastic contact part 31 of 0, and in the opening / closing lid 23,
The spring force of the leaf spring 30 is applied in the clockwise direction in the figure with the pivot pin 24 as the base point, the closed state of the open / close lid 23 is reliably maintained, and the open / close lid 23 does not open accidentally.

When the vanity mirror 21 is used, the sun visor 10 is rotated downward based on the rotation shaft 11 and then the opening / closing lid 23 is opened, as shown in FIG. The lid 23 is a pivot pin 24
While rotating around, the second cam surface 25b of the cam piece 25 of the opening / closing lid 23 makes elastic contact with the elastic contact portion 31 of the leaf spring 30, and the engagement projection 26 provided on the cam piece 25.
Fits into the engaging portion 32 of the leaf spring 30 and holds the open / close lid 23 securely with the open / close lid 23 opened at a predetermined angle.

As described above, according to the present invention, the cam piece 25 provided on the opening / closing lid 23 has the first cam surface 25a and the second cam surface 25a.
The cam surface 25b is formed, and a new engaging projection 2 is formed.
6 is formed, and when the opening / closing lid 23 is open, the cam piece 25
By engaging the engaging projection 26 of the above with the engaging portion 32 of the leaf spring 30, the leaf spring 30 alone holds the open / close lid 23.
Since it is not necessary to support the opening / closing lid 23 at the upper edge corner portion of the second opening / closing lid 2, problems such as the opening / closing lid 23 being glared, and the opening / closing lid 23 being dirty or damaged are not caused.

Further, since the vanity mirror unit 20 is constructed as described above, if the shaft support pin 24 and the leaf spring 30 are inserted into the injection molding die, the main body panel 22 and the opening / closing lid 23 are formed by injection molding. Since the vanity mirror unit 20 according to the present invention can be easily molded, the main body panel, the back cover, and the opening / closing lid are separately molded, and then the three members are assembled. There is an effect that a troublesome assembly work can be omitted, a molding can be simplified, a manufacturing cost can be reduced, a back cover can be eliminated, and a thin structure can be achieved, which can greatly contribute to a reduction in size and weight.

A stopper portion 33 is set on the leaf spring 30, and the stopper portion 33 allows the main body panel 22 to be opened.
It should be fixed with.

In this embodiment, the leaf spring 30 having a substantially L-shaped cross section is used. However, as shown in FIG. 4, a leaf spring 30 'having a substantially S-shaped cross section is insert-molded into the main body panel 22.
It may be integrated with the above, and by using this leaf spring 30 ′, there is an effect that the cost can be reduced by simplifying the shape of the leaf spring 30 ′.

[0028]

As described above, the vanity mirror unit according to the present invention has the following special operational effects.

(1) The first cam surface and the second cam surface are set on the cam piece provided on the opening / closing lid, and the engaging projection is provided so that the engaging projection of the cam piece engages when the opening / closing lid is opened. By providing the leaf spring with the engaging part that supports the opening / closing lid, the opening / closing lid can be supported by the leaf spring alone when the opening / closing lid is open. There is no butt corner support at the edge corners, and no line-shaped traces etc. are formed on the opening / closing lid when it comes into contact with the main body panel side, so that the appearance quality can be maintained well and the opening / closing lid's It has the effect that there is no blur in the open state and the usability is improved.

(2) Since the cantilever type leaf spring can be insert-molded at the time of molding the main body panel, if the cantilever type leaf spring and the shaft support pin are inserted into the injection molding die, the main body panel It becomes possible to integrally mold the open / close lid and the open / close lid, and as in the past, the troublesome assembly work of separately forming the main body panel, the back cover, and the open / close lid, and then assembling the three can be eliminated. Assembling is completed in one step of insert molding, and there is an effect that a large cost reduction is brought about due to a reduction in mold cost, a reduction in assembling man-hours, and the like.

[Brief description of drawings]

FIG. 1 is a front view showing an automobile sun visor equipped with a vanity mirror unit according to the present invention.

FIG. 2 is a cross-sectional view of essential parts showing a closed state of the opening / closing lid in the vanity mirror unit according to the present invention.

FIG. 3 is a main-portion cross-sectional view showing an open state of the opening / closing lid in the vanity mirror unit according to the present invention.

FIG. 4 is a sectional view of an essential part using a modified example of a leaf spring in the vanity mirror unit according to the present invention.

FIG. 5 is a front view showing a conventional automobile sun visor equipped with a vanity mirror unit.

FIG. 6 is a cross-sectional view showing a closed state of an opening / closing lid in a conventional vanity mirror unit.

FIG. 7 is a cross-sectional view showing an open / close lid of a conventional vanity mirror unit in an open state.

[Explanation of symbols]

 10 Automobile sun visor 20 Vanity mirror unit 21 Vanity mirror 22 Body panel 23 Opening / closing lid 24 Shaft support pin 25 Cam piece 25a First cam surface 25b Second cam surface 26 Engagement projection 30 Leaf spring 31 Elastic contact portion 32 Engagement portion 33 stopper

Claims (1)

[Claims] 1. A main body panel (22) for mounting and supporting a vanity mirror (21) on the front side thereof, and an opening / closing lid attached to the main body panel (22) so as to be openable and closable so as to cover the vanity mirror (21). (23), cam pieces (25) are provided at both ends of the rotary shaft of the opening / closing lid (23), and the elastic contact portion (31) of the cantilever type leaf spring (30) inserted into the main body panel (22). A vanity mirror in which the open state and the closed state of the opening / closing lid (23) are respectively held by elastically contacting the first cam surface (25a) and the second cam surface (25b) of the cam piece (25) with each other. In the unit, when the opening lid (23) is in the opened state, the cam piece (25)
Second cam surface (25b) of the spring and the elastic contact portion (3) of the leaf spring (30).
The cam piece (25) is formed with an engagement projection (26) so as to engage with the main body panel (2) by inserting the leaf spring (30) and the shaft support pin (24).
2) The open / close lid (23) is integrally molded, and a vanity mirror unit.