JPH1142938A - Mirror case device for vehicle sunvisor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To increase productivity and decrease production costs by reducing, as low as possible, the number of component items and man-hours for assembly of a mirror case device for a vehicle sunvisor. SOLUTION: In a mirror case device for a vehicle sunvisor provided with a case body 23 which is installed on the front surface of a sunvisor body 10 and has a dressing mirror 21 and a cover body 30 installed openably on the case body 23, the cover body 30 is formed integrally with resin on one side of the case body 23 through a thin wall hinge 32 as its pivot for opening and closing. Also an opening and closing spring piece 33 which elastically presses the cover body 30 at a closed or an open position is installed between the case body 23 and the cover body 30. In addition, the opening and closing spring piece 33 is formed integrally with the case body 23 and cover body 30 through thin wall connection parts 34 and 35 at both ends of the spring piece and using synthetic resin material.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a mirror case device for a sun visor for a vehicle.

[0002]

2. Description of the Related Art A mirror case device for a sun visor for a vehicle of this type is known which has a structure as shown in FIGS. The mirror case device 120 shown in FIGS. 5 and 6 is mainly composed of a case main body 123 incorporated in a concave portion 111 formed on one side surface of the sun visor main body 110, and a cover body 130 for opening and closing the case main body 123. I have. A mirror holding frame 124 is formed in the case main body 123, and the makeup mirror 121 is fitted and held in the mirror holding frame 124.

A hinge bracket 127 is formed on one side of the case body 123, and a cover body 130 is attached to the hinge bracket 127 at a base end thereof so as to be openable and closable about an opening and closing shaft 132. . Further, a spring chamber is formed on one side of the case main body 123, and an opening / closing spring 133 formed by bending a leaf spring material in a substantially V shape is provided in the spring chamber. And
When the opening / closing spring 133 is selectively engaged with two locking surfaces formed at a required angle on the base of the cover body 130, the cover body 130 is moved between the closed position and the open position. Are configured to be resiliently held.

[0004]

FIGS. 5 and 6 show an embodiment of the present invention.
In the conventional mirror case device 120 shown in FIG. 1, the case body 123 and the cover 130 are separately formed, and then the cover body 130 is attached to the hinge bracket 127 of the case body 123 by the opening / closing shaft 132. The opening / closing spring 133 must be provided inside the spring chamber of the main body 123, and the mirror case device 1
The number of components and the number of assembling steps of the 20 components increase. Therefore, there is a problem that the productivity of the mirror case device 120 is low and the production cost is high.

SUMMARY OF THE INVENTION In view of the above-mentioned conventional problems, it is an object of the present invention to reduce the number of components of a mirror case device and the number of assembling steps as much as possible to improve productivity and reduce production costs. To provide a mirror case device for a vehicle sun visor.

[0006]

In order to achieve the above object, a mirror case device for a vehicle sun visor according to the present invention is provided with a case body attached to a surface of a sun visor body and having a cosmetic mirror, and the case body A mirror case device for a sun visor for a vehicle, comprising a cover body openably and closably provided on the case body, wherein the cover body is provided on one side of the case body via a thin hinge serving as an opening and closing fulcrum thereof and made of synthetic resin. Opening / closing spring pieces are provided integrally between the case main body and the cover body to resiliently open and close the cover body between a closed position and an open position. The case body and the cover body are integrally formed with the case body and the cover body through a portion and a synthetic resin material.

Therefore, when the cosmetic mirror of the mirror case device attached to the surface of the sun visor body is used, the cover body opens against the case body against the resilience of the opening / closing spring piece and the thin hinge as a fulcrum. It is. And
When the cover body is opened to a position exceeding a predetermined opening, the elastic force of the opening / closing spring piece acts in a direction to open the cover body, whereby the cover body is opened to a predetermined opening position and the opening position is increased. In, the cover body is held by the elastic force of the opening / closing spring piece. Conversely, when the cover is closed, the cover is held at the closed position by the elastic force of the opening / closing spring piece.

In the mirror case device, the case body, the cover body, the thin hinge and the opening / closing spring piece are integrally formed by injection molding of a synthetic resin material, so that the number of components and the number of assembling steps are minimized. Is reduced. For this reason,
Unlike the conventional mirror case device, it not only eliminates the need to separately form and assemble the case body and cover body, but also eliminates the need to assemble the open / close spring piece between the case body and cover body. Is done.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to FIGS. In FIG. 3, the vehicle sun visor 1 includes a support shaft 2 and a sun visor main body 10. The support shaft 2 is formed in a substantially L-shape with a vertical axis portion and a horizontal axis portion, and is mounted at a predetermined position on the ceiling surface of the passenger compartment via the bracket 5 at the vertical axis portion. Horizontal shaft part 4 of the support shaft 2
, A sun visor body 10 is rotatably fitted. The sun visor body 10 is rotated around the axis of the horizontal axis of the support shaft 2 to switch the storage position between the storage position along the ceiling surface of the vehicle compartment and the light shielding position along the windshield. It is supposed to be.

A recess 11 is formed on one side surface of the sun visor body 10 (a surface facing the passenger compartment when the sun visor body 10 is located at the light blocking position).
The mirror case device 20 including the 3 and the cover body 30
It is mounted on the case body 23. The case main body 23 of the mirror case device 20 is formed by injection molding of a synthetic resin material, and a cosmetic mirror 21 is provided at a substantially central portion thereof.
A mirror holding frame 24 is formed in which the mirror surface is exposed to be fitted, and a lens 26 for an illumination lamp is fitted in an opening of a lamp storage chamber formed on one side of the mirror holding frame 24.

As shown in FIGS. 1 and 2, on one side (upper side in the figure) of the case body 23, a cover body 30 is provided with a thin hinge 32 serving as an opening / closing fulcrum thereof.
3 is integrally formed at the same time as the injection molding. Further, a pair of left and right opening / closing spring pieces 33 is provided between one side of the case body 23 and one side of the cover body 30 opposed thereto. Each of the pair of left and right opening / closing spring pieces 33 has a substantially V-shape, and has thin connecting portions 34 at both ends thereof.
Through the injection molding of the case main body 23 and the cover body 30 via the injection molding 35, they are integrally formed.

In this embodiment, the opening / closing spring piece 33 is used.
The thin connecting portion 34 at one end is connected to a connecting piece 27 formed near one side of the case main body 23,
Is connected to the outer edge of one side of the cover 30. On the other hand, the thin hinges 32 form a pair on each of the left and right sides of each of the pair of opening / closing spring pieces 33, and cover the body 30 with respect to one side edge of the case body 23.
The inner edge of one side is openably and closably connected.

Further, at the time of injection molding, as shown in FIG. 4, the opening / closing spring piece 33 is molded in a state closed by a predetermined angle, while the thin hinge 32 is molded in an expanded state. Then, as shown in FIG. 2, when the cover body 30 is in the closed position with respect to the case body 23, and as shown in FIG. , The opening and closing spring piece 3
3 are resiliently expanded by a predetermined angle as compared with the time of molding, whereby a spring force is applied to the opening / closing spring piece 33 to resilient the cover body 30 between the closed position and the open position. I have.

The mirror case device of the vehicle sun visor according to this embodiment is configured as described above. Therefore, when using the makeup mirror 21 of the mirror case device 20 mounted in the concave portion 11 of the sun visor body 10, the cover body 30 closed with respect to the case body 23 resists the elastic force of the opening / closing spring piece 33. And it is opened using the thin hinge 32 as a fulcrum. When the cover 30 is opened to a position where the thin connecting portion 35 of the opening / closing spring piece 33 exceeds the thin hinge 32, the elastic force of the opening / closing spring piece 33 acts in a direction to open the cover 30. Then, as shown in FIG.
The cover body 30 is opened to an open position where one side edge of the cover comes into contact with the surface of the sun visor body 10, and the cover body 30 is held by the elastic force of the opening / closing spring piece 33 at the open position.

The cover body 30 in the open position is closed against the elastic force of the opening / closing spring piece 33 and about the thin hinge 32 as a fulcrum. Thin connecting portion 35 of the opening / closing spring piece 33
When the cover 30 is closed to a position beyond the thin hinge 32, the elastic force of the opening / closing spring piece 33 acts in a direction to close the cover 30. Then, as shown in FIG. 2, the cover 30 is closed to a closed position where the cover 30 contacts the opening surface of the case main body 23, and the cover 30 is moved by the elastic force of the opening / closing spring piece 33 at the closed position. Will be retained.

In the mirror case device 20, the case main body 23, the cover body 30, the thin hinge 32, and the opening / closing spring piece 33 are integrally formed by injection molding of a synthetic resin material, so that the number of components and the number of assembly steps are reduced. It is reduced as much as possible. Therefore, unlike the conventional mirror case device shown in FIG. 6, it is not only possible to eliminate the necessity of separately forming and assembling the case main body 23 and the cover 30, but also to eliminate the necessity of the case main body 23 and the cover body 30. It is also possible to eliminate the necessity of assembling the opening / closing spring piece 33 between them, which is highly effective in improving productivity and reducing production cost.

[0017]

As described above, according to the present invention,
The number of components and the number of assembling steps of the mirror case device of the vehicle sun visor can be reduced as much as possible, so that productivity can be improved and production cost can be reduced.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing a state where a cover body is opened and held to an open position in a mirror case device of a vehicle sun visor according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view showing a state where the cover body is similarly closed and held to a closed position.

FIG. 3 is a perspective view showing a state in which a mirror case device is attached to the surface of the sun visor body.

FIG. 4 is an explanatory view showing an injection molding state of a case body, a cover body, a thin hinge, and an opening / closing spring piece.

FIG. 5 is a perspective view showing a mirror case device of a conventional sun visor for a vehicle.

FIG. 6 is a cross-sectional view showing a state where the cover body is opened.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Sun visor for vehicles 10 Sun visor main body 20 Mirror case device 21 Make-up mirror 23 Case main body 24 Mirror holding frame 30 Cover body 32 Thin hinge 33 Opening / closing spring piece 34, 35 Thin connecting part

Claims (1)

[Claims] 1. A mirror case device for a sun visor for a vehicle, comprising: a case main body attached to a surface of a sun visor main body and having a cosmetic mirror; and a cover body provided on the case main body so as to be openable and closable. On one side of the case main body, the cover body is integrally formed with a synthetic resin material via a thin hinge serving as an opening / closing fulcrum, and the cover body is closed between the case main body and the cover body. Opening / closing spring pieces are provided at each of the open positions, and the opening / closing spring pieces are formed integrally with the case body and the cover body by a synthetic resin material via thin connecting portions at both ends thereof. Case device for sun visor for vehicles.