JP3205043B2 - Sun visor 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 sun visor for a vehicle.

[0002]

2. Description of the Related Art Conventionally, a sun visor for a vehicle is provided with a bearing member in which a horizontal shaft of a support shaft is rotatably inserted into a sun visor body. When the sun visor body is placed at the storage position, the bearing member engages with an engagement surface formed by chamfering the outer periphery of the horizontal shaft body to lock the sun visor body at the storage position along the vehicle compartment ceiling surface. The holding member for holding is assembled. Further, a retaining means is provided between the bearing member and the horizontal shaft body to prevent the sun visor main body from moving in the axial direction of the horizontal shaft body to prevent the sun visor main body from being removed.
Then, the sun visor main body at the storage position is rotated around the axis of the horizontal shaft against the engaging force between the engaging surface of the horizontal shaft of the support shaft and the locking member, so that the sun visor body follows the windshield. It is arranged at the front light blocking position. Further, the sun visor body in the front light shielding position is generally arranged at the side light shielding position along the side glass by rotating the sun visor body together with the support shaft around the axis of the longitudinal axis of the support shaft. It was a target.

[0003]

However, in the above-mentioned prior art, the sun visor body cannot be moved in the axial direction of the horizontal shaft of the support shaft. For this reason, it may not be possible to shield light incident from the side glass of the vehicle in an optimal state.

SUMMARY OF THE INVENTION In view of the above-mentioned conventional problems, an object of the present invention is to provide a sun visor body that can be pulled out and pushed in the axial direction of a horizontal shaft of a support shaft, so that light can be shielded in an optimum state. Another object of the present invention is to provide a sun visor for a vehicle that can stably and lightly perform an operation of pulling out and pushing a sun visor body in an axial direction of a horizontal shaft body.

[0005] To achieve the above object, the present invention relates to the present invention .
The sun visor for a vehicle is a horizontal shaft of a support shaft mounted on the vehicle body.
The sun visor body is fitted so as to be rotatable and axially movable in a bearing body built in the sun visor body ,
The bearing body is provided with a hollow cylindrical guide cylinder extending in the longitudinal direction of the sun visor body, while the horizontal shaft body is extended to a position to be inserted into the guide cylinder, A sliding body is locked and slidably fitted in the cylinder, and a tip of the horizontal shaft is rotatably coupled to the sliding body. Further, the horizontal body is connected to the sliding body. A locking member for removably engaging with an engaging surface formed on an outer peripheral surface of the sliding member to lock the sun visor body at a storage position along a ceiling surface of a vehicle compartment , On the outer surface
Is formed with an oil groove, and the horizontal shaft body is formed from the oil groove.
An oil hole is formed in the bearing hole for the oil groove and the oil groove.
The oil holes are filled with lubricating oil such as grease.

[0006]

In the sun visor for a vehicle constructed as described above, when the sun visor main body is disposed at the retracted position along the ceiling surface of the passenger compartment, the engagement force between the engagement surface of the horizontal shaft body and the engagement member. The sun visor body is held in the storage position. The sun visor body at the storage position is rotated around the axis of the horizontal shaft body against the engaging force between the engagement surface and the locking member, so that the sun visor body is located at the front light shielding position along the windshield. Is done. The sun visor body at the front light-shielding position is rotated together with the support shaft about the axis of the longitudinal axis of the support shaft, so that the sun visor body is disposed at the side light-shielding position along the side glass.

When the sun visor main body is arranged at the side light blocking position, the sun visor main body is appropriately pulled out in the axial direction of the horizontal shaft, so that light incident from the side glass is optimally shielded. When the sun visor body is pushed into the horizontal shaft, the sun visor body is placed at the original pushing position. As the sun visor body is pulled out and pushed in with respect to the horizontal shaft body, the sliding body coupled to the tip of the horizontal shaft body is guided by the guide tube of the sun visor body and relatively slid. At this time, no sliding frictional force occurs between the horizontal shaft body and the locking member of the sliding body.

[0008]

An embodiment of the present invention will be described below with reference to the drawings. In FIG. 1, which is a front view of a vehicle sun visor partially cut away, an attachment member 1 attached to a part of a vehicle body above a windshield in a vehicle cabin has an L-shaped support for supporting a sun visor body 8 described later. The shaft 3 is rotatably fitted on the longitudinal body 4 and fastened by the stopper 2.

The horizontal shaft 5 of the support shaft 3 includes a sun visor body 8.
And extends to a position where it is inserted into the guide cylinder 19 through a bearing body 12 described later. As shown in FIG. 4, a flat engaging surface 6 is formed in a chamfered shape on one side of the outer peripheral surface near the front end of the horizontal shaft body 5. Further, a locking portion 7 is recessed on the outer peripheral surface of the distal end portion of the horizontal shaft 5.

The sun visor body 8 which is rotatable about the axis of the horizontal shaft 5 and which can be pulled out and pushed in the axial direction of the horizontal shaft 5 has a bone frame 9 around the upper part except for the central portion at the upper part. It is mainly composed of an interior cushion material 10 and an exterior skin 11 covering the cushion body 10. At the upper corner of the sun visor body 8, one end 9a of the bone frame 9 is provided.
The bearing body 12 is housed in a state where the bearing body 12 is fixed.

The bearing body 12 is made of a synthetic resin, and has a bearing portion 14 and a leg portion 15 integrally provided at upper and lower portions. The bearing 12 is fixed to one end 9a of the bone frame 9 at the lower leg 15 thereof, and the horizontal shaft 5 is fitted into the upper bearing 14 so as to be rotatable and relatively movable in the axial direction. A bearing hole 13 is formed through the hole.

A connecting portion 16 having a bearing hole communicating with the bearing hole 13 protrudes from one end of the bearing body 12, and a guide tube 17 extending in the longitudinal direction of the sun visor body 8 is formed on the connecting portion 16. , At its base end and connected by caulking as shown in FIG. Guide tube 1
A fixed body 18 made of a synthetic resin is connected to the tip of the 7. As shown in FIG. 1, the fixed body 18 includes a leg 19 fixed to the other end of the bone frame 9 and a guide tube 17 as shown in FIG.
And a connecting portion 20 that is inserted into the distal end portion and coupled by caulking.

A sliding body 21 is inserted into the guide cylinder 17 so as to be movable and stopped. In FIG. 8 showing the sliding body 21 in a longitudinal section and in FIG. 9 showing a perspective view, a bearing hole 2 into which the horizontal shaft body 5 is rotatably fitted is inserted into the sliding body 21.
2 is provided, and a holding cylinder 23 is protruded from one end surface of the sliding body 21 around the bearing hole 22. A plurality of split grooves 24 are formed in the holding tube 23, and the holding tube 2
An engaging claw 25 that engages with the engaging portion 7 of the horizontal shaft body 5 protrudes from the inner peripheral surface of the distal end portion 3. Then, by inserting the distal end portion of the horizontal shaft body 5 into the holding cylinder 23 through the bearing hole 22 of the sliding body 21, the single holding cylinder 23 is elastically expanded, and subsequently the horizontal shaft body 5 is locked. When the horizontal shaft 5 is inserted to a position where the portion 7 corresponds to the locking claw 25 of the holding cylinder 23, the holding cylinder 23 is elastically reduced, and the locking claw 25 engages with the locking portion 7 of the horizontal shaft 5. Are adapted.

An annular oil groove 26 and an oil hole 27 opening from the oil groove 26 to the bearing hole 22 are formed in the outer peripheral surfaces on both the left and right sides of the sliding body 21 and the vertical direction, respectively. Lubricating oil such as grease is filled in 26 and oil hole 27. A notch-shaped opening 28 through which the horizontal shaft 5 is exposed is formed in the upper half of the center of the sliding body 21, and a locking member 30 is attached to the opening 28. Further, an insertion groove 29 into which the support leg of the locking member 30 is inserted is formed directly below the opening 28 in the sliding body 21.

As shown in FIGS. 4 and 9, a locking member 30 is fitted into the opening 28 and the horizontal shaft 5 is fitted therein. A pair of support legs 34 which are formed continuously at the lower end and which are inserted into and inserted into the insertion grooves 29 of the sliding member 21 are mainly constituted.

In this embodiment, the locking member 30 is formed by folding a single spring plate material at the lower ends of its both support legs 34 and opening the upper end of the locking cylindrical portion 31. I have. Further, the locking cylinder portion 31 has an arc-shaped piece 32 at one open end thereof in contact with the outer peripheral surface of the horizontal shaft 5, and an arc-shaped piece 32. In addition, when the sun visor body 8 is rotated to the storage position along the ceiling surface of the vehicle compartment, the sun visor body 8 is constituted by a locking piece 33 that comes into surface contact with the engaging surface 6 of the horizontal shaft body 5 and engages therewith. .

This embodiment is configured as described above.
Therefore, when the sun visor body 8 is located at the retracted position along the ceiling surface of the vehicle compartment, the engaging surface 6 of the horizontal shaft 5 and the engaging piece 33 of the engaging member 30 are engaged, and these engaging surfaces are engaged. 6
The sun visor body 8 is held at the storage position by the engagement force between the sun visor and the locking piece 33.

The sun visor body 8 at the storage position is rotated about the axis of the horizontal shaft 5 against the engaging force between the engaging surface 6 and the locking piece 33, so that the sun visor body 8 is It is located at the front light blocking position along the windshield. In this state, light incident from the windshield is blocked by the sun visor body 8.

The sun visor body 8 at the front light blocking position is rotated together with the support shaft 3 around the axis of the longitudinal body 4 of the support shaft 3 so that the sun visor body 8 is moved to the side light blocking position along the side glass. Placed in In this state, light incident from the side glass is shielded by the sun visor body 8.

When the direction of light incident from the side glass is horizontal, obliquely rearward, or the like, and the light is not appropriately shielded by the sun visor body 8 at the side light shielding position, the sun visor body 8 is The light is shielded in an optimal state by being appropriately pulled backward.

When the sun visor body 8 is pushed into the horizontal shaft 5, the sun visor body 8 is placed at the original pushed position. With the operation of pulling out and pushing in the sun visor main body 8 with respect to the horizontal shaft body 5, the sliding body 21 coupled to the tip of the horizontal shaft body is guided by the guide cylinder 17 of the sun visor main body 8 and relatively slid. Therefore, the sun visor body 8 can be stably pulled out and pushed in the axial direction of the horizontal shaft body 5 without rattling.

Furthermore, the sun visor body 8 is
When the pull-out and push-in operations are performed, no sliding frictional force is generated between the horizontal shaft 5 and the locking member 30 of the sliding body 21. Therefore, the sun visor body 8 with respect to the horizontal shaft 5
Pull-out and push-in operations are performed lightly.

[0023]

As described above, according to the present invention,
In a state where the sun visor main body is arranged at the side light shielding position, the light entering from the side glass can be shielded in an optimal state by appropriately pulling out the sun visor main body in the axial direction of the horizontal axis body. During the operation of pulling out and pushing in the sun visor body with respect to the horizontal shaft body, the sliding body coupled to the tip of the horizontal shaft body is guided by the guide cylinder of the sun visor body and relatively slid, while the horizontal shaft body and the sliding body are Since no sliding frictional force is generated between the sun visor and the locking member, the sun visor body can be stably and lightly pulled out and pushed in the axial direction of the horizontal shaft.

[Brief description of the drawings]

FIG. 1 is a front sectional view showing a main part of a sun visor for a vehicle according to an embodiment of the present invention in a cutaway manner.

FIG. 2 is a sectional view taken along line II-II of FIG.

FIG. 3 is a sectional view taken along line III-III of FIG. 1;

FIG. 4 is a sectional view taken along line IV-IV of FIG. 1;

FIG. 5 is a sectional view taken along line VV of FIG. 1;

FIG. 6 is a sectional view taken along line VI-VI of FIG. 1;

FIG. 7 is a sectional view taken along line VII-VII of FIG. 1;

FIG. 8 is a cross-sectional view showing an assembling relationship between a guide cylinder, a sliding body, and a horizontal shaft body.

FIG. 9 is a perspective view showing a sliding body and a locking member separately.

[Description of Signs] 3 Support shaft 4 Vertical axis body 5 Horizontal axis body 6 Engagement surface 7 Locking section 8 Sun visor body 12 Bearing body 17 Guide cylinder 21 Sliding body 23 Clamping cylinder 30 Locking member

Claims (1)

(57) [Claims] 1. A horizontal shaft of a support shaft mounted on a vehicle body,
A sun visor main body is fitted rotatably and axially movably in a shaft receiving member provided in the sun visor main body, and a hollow cylinder extending in a longitudinal direction of the sun visor main body in the bearing body. While the guide shaft is provided, the horizontal shaft body is extended to a position where the guide shaft is inserted into the guide tube, and a sliding body is stopped and slidably fitted in the guide tube. The end of the horizontal shaft is rotatably coupled to the sliding body, and the sliding body is detachably engaged with an engagement surface formed on an outer peripheral surface of the horizontal shaft. A locking member for locking the sun visor body at a storage position along the ceiling of the vehicle compartment is assembled , and an oil groove is formed on an outer peripheral surface of the sliding body.
At the same time, the oil groove opens into the bearing hole for the horizontal shaft.
A lubricating oil such as grease is filled in the oil groove and the oil hole.
Vehicle sun visor, characterized in that that.