JP2002012028A - Sunvisor for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reinforce damper mounting rigidity in a sunvisor for a vehicle provided with a built-in damper to regulate abrupt rotating action applied to the sunvisor. SOLUTION: A reinforcing plate inserted in a sunvisor body 20, or a mounting plate 50 of a lighting unit 40, is provided with an extension piece 53 extending toward a damper 60. The damper 60 is also provided with an extension piece 63 extending toward the mounting plate 50. The respective extension pieces 53 and 63 are fixed in the lapped state to secure the firm mounting rigidity of the damper 60 in a small space. Firmer mounting rigidity can be ensured by fixing the extension piece 63 of the damper 60 to the extension piece 53 of the mounting plate 50 in the state of holding the extension piece 63 by upper and lower side mounting pieces 55a and 55b positioned on the upper and lower sides of the extension piece 63.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sun visor for a vehicle in which a sudden storage operation is alleviated by incorporating a damper, and more particularly to a sun visor for a vehicle in which operability is enhanced by enhancing mounting rigidity of the damper. .

[0002]

2. Description of the Related Art As shown in FIG. 5, for example, in a vehicle sun visor 1 provided diagonally forward of a front occupant, a sun visor body 2 having a sunshade function is rotatably supported on a shaft 1a. The shaft 1a is inserted and held in a bracket 1b, and the bracket 1b is fixed to the vehicle body ceiling side.

In order to enhance the functionality of the sun visor 1, a configuration in which the lighting unit 3 is installed on one side of the sun visor body 2 (the side facing the occupant in the deployed position) to increase the commercial value is particularly high-grade. It tends to be frequently used in vehicle models.

The lighting unit 3 has a unit base 3a made of a resin molded body and a vanity mirror 3b and an illuminating device 3.
c is provided adjacently, and the front side of the vanity mirror 3b and the lighting fixture 3c is covered by an opening / closing lid 3d rotatably attached to the unit base 3a. Further, in order to supply a current to the lighting device 3c, a harness 3e connected to a vehicle-mounted battery (not shown) is introduced into a substantially central portion of the sun visor body 2 through the inside of the shaft 1a, and connected to a conductor (not shown) in the lighting device 3c. are doing.

In FIG. 6, the sun visor body 2 is stored in a recess 4a provided in the ceiling 4 so that the use state of the sun visor 1 is indicated by a chain line position and the storage state of the sun visor 1 is indicated by a solid line position. But especially lighting unit 3
In the heavy sun visor 1 equipped with the like, the support 5 inside the sun visor body 2 bearing the shaft 1a is provided.
Is provided with a leaf spring 5a for applying a turning torque when the sun visor body 2 is turned, and a shaft 1a.
In addition, the leaf spring 5a is chamfered to apply a click action force in the direction of the arrow in FIG. 7 so that the storage operation can be performed with a small operation force, and the sun visor main body 2 is securely held at the storage position.

In the configuration in which the sun visor body 2 is biased in the retracting direction into the recess 4a of the ceiling 4 as described above, the sun visor body 2 is suddenly moved toward the ceiling 4 by the spring force of the leaf spring 5a. And hit the ceiling 4 each time the sun visor main body 2 is stored, resulting in a discomfort sound.

As a countermeasure against this unpleasant noise, a damper 6 connected to the shaft 1a is built in the sun visor body 2. As shown in FIG. 7, the connecting structure between the damper 6 and the shaft 1a has a hollow pipe 1c in the shaft 1a.
The shaft 1a and the damper 6 are connected by inserting the drive shaft 6a of the damper 6 into the insertion end side opening 1d and inserting the connecting pin 7 into both mounting holes.

Therefore, even if the click action force of the leaf spring 5a is applied, a sudden storing operation of the sun visor body 2 toward the ceiling 4 is avoided by the braking action of the damper 6.

[0009]

As described above, conventionally, in the sun visor 1 in which the damper 6 is installed to restrict a sudden storing operation, as shown in FIG.
Is accommodated in the recess 2b of the sun visor core 2a and is connected and fixed to a wire frame (not shown). Therefore, the mounting rigidity of the damper 6 cannot be sufficiently secured, and the sun visor body 2 is connected to the shaft 1a. When rotating around the axis of the damper 6, the load applied to the damper 6 causes the damper 6 to rotate.
However, it has been pointed out that a disadvantage is that the sun visor is not easily expected to operate smoothly.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has a limited size in a sun visor for a vehicle in which a damper is incorporated to prevent a sudden rotation operation in a storage direction in a sun visor body. An object of the present invention is to provide a sun visor for a vehicle in which operability is enhanced by enhancing mounting rigidity of a damper in a space.

[0011]

In order to achieve the above object, according to the first aspect of the present invention, a sun visor main body is rotatably supported by a shaft, and an abrupt rotation operation in a ceiling storage direction is performed. The damper for regulating the sun visor body is built in the sun visor body, the mounting plate and the damper inserted along the up and down direction in the sun visor body are formed with opposing extension pieces, and the extension pieces are connected to each other. By fixing the load, the load applied to the damper during the rotation operation of the sun visor body is dispersed throughout the sun visor body through the mounting plate.

Further, according to the invention of claim 2 of the present application, the extension pieces formed on the damper case are sandwiched from above and below by the upper and lower attachment pieces formed on the extension piece on the attachment plate side. It is characterized by being fixed.

Further, the invention according to claim 3 of the present application is characterized in that the mounting plate inserted into the sun visor body also serves as a unit supporting plate for supporting the lighting unit.

As is apparent from the above configuration, according to the first aspect of the present invention, the extension pieces opposed to the mounting plate and the damper, which are inserted along the vertical direction of the sun visor body, respectively. Since the extension is formed and the extension pieces are fixed to each other, the damper is securely mounted and fixed in a state where the mounting rigidity is sufficiently secured in a limited small space as compared with the conventional structure in which the damper is fixed to the wire frame. The load applied to the damper during operation of the sun visor body is distributed to the entire sun visor body through the mounting plate.

Next, the invention described in claim 2 of the present application is
Since the holding piece of the extension piece of the mounting plate is located on the upper and lower surfaces of the extension piece of the damper and fixed so as to sandwich the extension piece of the damper, a stronger mounting strength of the damper can be secured.

According to the third aspect of the present invention, since the mounting plate can also serve as the support plate of the mirror unit, the functionality of the mounting plate can be enhanced.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of a sun visor for a vehicle according to the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a perspective view showing an embodiment of a sun visor for a vehicle according to the present invention, in which a part of a sun visor skin is cut away and a lighting unit is removed.
FIG. 2 is an explanatory view showing the mounting structure of the damper, and FIGS. 3 and 4 are sectional views showing the mounting structure of the damper.

In FIG. 1, a sun visor 10 for a vehicle according to the present invention has a sun visor body 20 having a desired occupied area.
A rotation shaft 30 for rotatably supporting the sun visor body 20, an illumination unit 40 mounted at substantially the center of one side surface of the sun visor body 20 (a side surface facing an occupant in the unfolded state), and an illumination unit. The mounting plate 50 which functions as a reinforcing plate inserted into the sun visor body 20 to support and fix the 40, and the rotation operation (especially the storage) of the sun visor body 20 so that the sun visor body 20 does not perform a sudden rotation operation. And the damper 60 for regulating the operation.

More specifically, the sun visor body 20 includes a sun visor core 22 in which a loop-shaped wire frame 21 is inserted into a foamed polypropylene (PP) bead.
The lighting unit 40 has a unit base 41 on which a vanity mirror 42 and a lighting tool 43 are provided adjacent to each other so as to cover the surface. The opening / closing lid 44 is attached so that opening and closing are possible. Reference numeral 24 in FIG.
Indicates an auxiliary knob locked to a holder on the ceiling side.

Further, the shaft 30 is attached to a bracket 31 fixed to the ceiling side.
Inside, a hollow pipe (not shown) is inserted for inserting a harness into the lighting unit 40 side.

The shaft 30 is held by the leaf spring 33 attached to the support 32 inside the sun visor body 20 with respect to the sun visor body 20, and the sun visor body 20 is stored on the ceiling surface by the spring force of the leaf spring 33. At this time, a spring is urged in the storage direction, and the storage posture of the sun visor body 20 is maintained by the spring force.

Further, as a structure for mounting the lighting unit 40 to the sun visor body 20, in the present embodiment, a mounting plate 50 having a function as a reinforcing plate is inserted into a substantially central portion of the sun visor core 22. The lighting unit 40 can be attached to the sun visor main body 20 side by fitting clip pieces provided corresponding to the back surface side of the lighting unit 40 into the plurality of attachment holes 51 formed on the left and right sides of the lighting unit 40. it can.

The leg pieces 52 of the mounting plate 50 are fixed to the wire frame 21 inserted into the sun visor core 22 by welding.

Next, the damper 60 is mounted on the sun visor body 2.
The damper 60 is provided with a viscous fluid in the damper case 61 so that the drive shaft 62 does not suddenly store the shaft 30 so that the shaft 0 does not perform a sudden storing operation on the ceiling side. A conventional damper 60 such as a structure using the resistance of a viscous fluid so as not to rotate or a structure using the resistance of a plurality of gears in an engaged state.
Good to use.

The mounting structure of the damper 60 will be described with reference to FIGS.
The extension pieces 53 and 63 are formed so as to protrude from the 0 and the damper 60 at positions facing each other, and the extension pieces 53 and 63 on the opposite sides are set to be wrapped.

At this time, as shown in FIG. 2, the extension piece 53 of the mounting plate 50 has its center portion cut slightly upward by a slit 54, and the extension piece 63 of the damper 60 is raised.
An upper mounting piece 55a positioned on the upper side and a lower mounting piece 55b positioned on the lower side are formed to form upper and lower mounting pieces 55a, 55b.
5b, the extension piece 63 of the damper 60 is inserted, and the mounting hole 56 formed in the upper mounting piece 55a is aligned with the mounting notch 64 provided in the extension piece 63 on the damper 60 side. 3 and 4 by tightening
As shown in FIG.
Is firmly fixed. In addition to the screws 65, conventional fixing means such as riveting may be used.

In this embodiment, the lighting unit 4
0 to the damper 60
However, in the sun visor without the lighting unit 40, the reinforcing plate may be inserted into the sun visor core 22 and the damper 60 may be fixed to the reinforcing plate. it can.

As described above, according to the vehicle sun visor 10 according to the present invention, the extension pieces 53 and 63 are formed on the opposite sides of the mounting plate 50 and the damper 60, respectively.
Since the lap portions 3 and 63 are fixed, they can be firmly fixed in a small mounting space, and the load applied to the damper 60 during the rotation operation of the sun visor main body 20 is reduced by the mounting inserted in the sun visor main body 20. Since it can be dispersed throughout the sun visor main body 20 through the plate 50 and the damper 60 is not blackened, a smooth operation can be expected.

Further, as in this embodiment, the extension 63 of the damper 60 is inserted between the upper and lower mounting pieces 55a and 55b provided on the mounting plate 50, and the extension 6 of the damper 60 is inserted.
By fixing the fixing member 3, the mounting rigidity of the damper 60 can be further enhanced.

[0031]

As described above, the vehicle sun visor according to the present invention has the following special effects.

(1) According to the first aspect of the present invention, opposing extension pieces are formed on each of the mounting plate and the damper inserted along the vertical direction of the sun visor body, and the extension pieces are connected to each other. The sun visor main body can be firmly mounted and fixed in a state where the mounting rigidity is sufficiently secured in a limited small space compared to the conventional structure in which the damper is fixed to the wire frame. Since the load applied to the damper during operation is distributed to the entire sun visor body through the mounting plate, there is an effect that the sun visor can be smoothly operated without the damper being blackened.

(2) According to the invention described in claim 2 of the present application, the holding piece of the extension piece of the mounting plate is located on the upper and lower surfaces of the extension piece of the damper, and fixed so as to sandwich the extension piece of the damper. Therefore, there is an effect that more secure mounting strength of the damper can be secured.

(3) According to the third aspect of the present invention, since the mounting plate can be used also as the mounting plate of the mirror unit, there is an effect that the functionality of the mounting plate can be enhanced.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of a vehicle sun visor according to the present invention, in which a part of a sun visor skin is cut away and a lighting unit is removed.

FIG. 2 is an explanatory view showing a mounting state of a mounting plate and a damper in the vehicle sun visor shown in FIG. 1;

FIG. 3 is a cross-sectional view showing a mounting structure of a damper in the vehicle sun visor shown in FIG.

FIG. 4 is a cross-sectional view showing a mounting structure of a damper in the vehicle sun visor shown in FIG.

FIG. 5 is a perspective view showing a conventional vehicle sun visor including a lighting unit.

FIG. 6 is an explanatory diagram showing a deployed posture and a stored posture of the vehicle sun visor.

FIG. 7 is an explanatory view showing a connection structure between a shaft and a damper in a conventional sun visor for a vehicle.

FIG. 8 is a cross-sectional view showing a mounting state of a damper in a conventional vehicle sun visor.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Sun visor for vehicles 20 Sun visor main body 21 Wire frame 22 Sun visor core 23 Sun visor skin 24 Auxiliary knob 30 Shaft 31 Bracket 32 Support 33 Leaf spring 40 Lighting unit 50 Mounting plate 51 Mounting hole 52 Leg piece 53 Extension piece 54 Slit 55a, 55b Mounting piece Reference Signs List 60 damper 61 damper case 62 drive shaft 63 extension piece 64 mounting notch 65 screw

Claims (3)

[Claims] 1. A sun visor body (20) having a shaft (3).
0) is a vehicle sun visor having a damper (60) built in the sun visor body (20), which is rotatably supported by (0) and restricts rapid rotation in the direction of storage in the ceiling. Extension pieces (53, 63) opposed to the mounting plate (50) and the damper (60) inserted along the vertical direction in the parentheses.
Is formed, and by fixing the extension pieces (53, 63) to each other, the load applied to the damper (60) during the rotation operation of the sun visor body (20) is applied to the entire sun visor body (20) through the mounting plate (50). A sun visor for a vehicle, wherein the sun visor is dispersed. 2. The extension piece (63) formed on the damper case (61) is connected to the extension piece (5) on the mounting plate (50) side.
The sun visor for a vehicle according to claim 1, wherein the extension pieces (53, 63) are fixed to each other while being sandwiched from above and below by the upper and lower mounting pieces (55a, 55b) formed in 3). . 3. The mounting plate (50) inserted into the sun visor body (20) includes a lighting unit (4).
The sun visor for a vehicle according to claim 1 or 2, wherein the unit visor plate also serves as a unit support plate.