JP2002192948A - Vehicular sun visor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vehicular sun visor having a support shaft facilitating the assembling. SOLUTION: This vehicular sun visor is provided with a sun visor body 2 and a support shaft 6 installed in the sun visor body 2 and rotatably latched to a hook of a cabin ceiling face. The support shaft 6 is provided with a shaft body 3 and a cylindrical body 4 covering the shaft body 3. The cylindrical body 4 is constituted of a plurality of division bodies 40 and 41, which can be assembled from the outer circumferential side of the shaft body 3, and the division bodies 40 and 41 are provided with connecting means 43 and 60 engaging the division bodies 40 and 41 to each other.

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 having a support shaft which is mounted on a sun visor body and is hooked on a hook on the ceiling of a passenger compartment.

[0002]

2. Description of the Related Art A sun visor for a vehicle is generally used by being mounted on a ceiling of a passenger compartment above a driver's seat and a passenger's seat. Usually, this vehicle sun visor has a horizontally long plate-shaped sun visor main body, a support shaft for rotatably mounting the sun visor main body on a vehicle cabin ceiling surface, and a mounting shaft for detachably mounting on the vehicle room ceiling surface. A support shaft is installed. The support shaft is formed in a substantially L-shape with a horizontal axis and a vertical axis, and the vertical axis is mounted at a predetermined position on the ceiling surface of the vehicle compartment via a bracket. The horizontal axis is rotatably inserted into the sun visor main body with respect to the sun visor main body, and the sun visor main body has a storage position along the vehicle interior ceiling surface with the horizontal axis as a rotation center axis, and a lower part from the vehicle interior ceiling surface. It is rotatable between the light-shielded position and the light-shielded position. The support shaft is configured to be detachable from a hook attached to the ceiling surface of the passenger compartment, and is attached to the hook when the sun visor body is rotated between the storage position and the light blocking position. The support shaft, together with the horizontal axis of the support shaft, serves as a rotation center axis when the sun visor body rotates, and assists the rotation of the sun visor body.

[0003] Such a support shaft has conventionally been constituted by a shaft (for example, a wire) mounted on a sun visor body and a cylinder mounted so as to cover the shaft. Generally, this cylindrical body is divided into a pair of divided bodies divided in the axial direction, and these divided bodies are respectively covered on the shaft from the outer peripheral side of the shaft. Then, the contact surfaces (divided surfaces) of the divided bodies are welded by ultrasonic welding to join the divided bodies. Alternatively, the contact surfaces of the divided bodies are bonded with an adhesive, and the divided bodies are connected to each other.

[0004]

However, in a form in which the divided bodies are welded by ultrasonic welding, a part of the molten cylindrical body protrudes outside to form burrs. Further, even in a mode in which the divided bodies are bonded and bonded by an adhesive, the adhesive protrudes outside to form burrs. The burrs cause problems such as degrading the appearance of the appearance and making it difficult to mount the burrs on the hooks. Therefore, conventionally, it is necessary to remove such burrs by a deburring operation, and assembling is troublesome. In view of the above problems, an object of the present invention is to provide a vehicle sun visor having a support shaft that can be easily assembled.

[0005]

According to the present invention, there is provided a sun visor for a vehicle having a structure as described in each of the above-mentioned claims. According to the configuration described in claim 1, the support shaft includes the shaft and the cylinder, and the cylinder is configured by a plurality of divided bodies. The divided body is provided with a connecting means for engaging the divided bodies. Therefore, the divided bodies are engaged by the connecting means. Therefore, the divided bodies are engaged with each other without forming burrs, and the operation of cutting off the burrs becomes unnecessary. As a result, the manufacturing process of the vehicle sun visor is simplified. In addition,
The plurality of divided bodies constituting the cylindrical body may be formed separately from each other, or the plurality of divided bodies may be integrally connected via a hinge and the divided bodies may be opened. May be a variable configuration in a closed state. The connecting means may be provided integrally with the divided body, but the connecting means provided separately from the divided body may be configured to be attached between the divided bodies.

According to the second aspect of the present invention, the connecting means extends from the inner surface of the divided body and is integrally formed with the divided body, and the other divided part is engageable with the engaging piece. And a locking portion formed on the inner surface of the body. Since the engagement piece is formed integrally with the divided body, the number of parts constituting the support shaft is reduced, and the support shaft can be formed by a simple assembling operation. In addition, since the connecting means is formed on the inner surface side of the divided body, the connecting means does not appear on the outer surface side of the divided body, and the connecting means does not need to consider the outer shape of the divided body. Therefore, the connecting means can be formed with a simple configuration.

According to the third aspect of the present invention, the engagement piece of the cylindrical body is configured to engage with the rotation preventing portion formed on the shaft to stop the rotation of the cylindrical body. That is, the detent portion is detented by the engagement piece of the cylindrical body. Therefore, the shaft and the cylinder cannot rotate relatively. Conventionally, when the sun visor body is rotated while the support shaft is attached to the hook, the shaft body rotates together with the sun visor body, and the cylinder body tends to stay on the hook side due to friction with the hook. As a result, the shaft body and the cylinder body relatively rotate, and this rotation causes abnormal noise,
There has been an inconvenience that the skin inserted between the shaft and the cylinder is twisted. On the other hand, in the present invention, since the shaft body and the cylinder body do not rotate relatively, these disadvantages can be avoided.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings. As shown in FIG. 1, the vehicle sun visor 1 mainly includes a plate-shaped sun visor main body 2 and a support shaft 5. The support shaft 5 has a horizontal axis 50 and a vertical axis 51 and is formed in a substantially L-shape, and the tip side of the vertical axis 51 is rotatable to a vehicle interior ceiling surface 70 (see FIG. 4) via a bracket 52. Mounted on

The sun visor body 2 is formed into a plate-like foam with a material such as urethane foam, and then covered with a skin 20. Further, inside the sun visor main body 2, a frame 22 made of a metal wire and having a substantially annular shape along the peripheral edge thereof, and a bearing member 21 to which both ends of the frame 22 are fixed are provided inside. The horizontal shaft 50 of the support shaft 5 is fitted into the bearing member 21. As a result, the sun visor body 2 is mounted so as to be rotatable about the axis of the horizontal axis 50, and rotates between a storage position along the cabin ceiling surface 70 and a light blocking position lowered from the cabin ceiling surface 70. (See FIG. 4). The sun visor body 2 is rotatable about a longitudinal axis 51 of the support shaft 5 between a position along the windshield surface and a position along the side glass (see FIG. 4).

A support shaft 6 is formed in a portion of the sun visor body 2 near the free end so as to be rotatably hung on a hook 71 fixed to a vehicle interior ceiling surface 70. The support shaft 6 is detachable from a hook 71 attached to the vehicle ceiling surface 70, and the sun visor body 2 is rotated between a storage position along the vehicle room ceiling surface 70 and a light shielding position. Attach to a hook. Then, the support shaft 6 becomes the center of the axis together with the horizontal axis 50 in the rotation of the sun visor body 2 and assists the rotation of the sun visor body 2.

The support shaft 6 comprises a shaft 3 and a cylinder 4 as shown in FIG. The shaft body 3 is a part of the frame 22 described above, and has a cylindrical shaft body 31 and a detent portion 30.
It is composed of This detent part 30 is provided with a shaft 31
Is formed by crushing the upper and lower sides of the front and back surfaces. Therefore, the rotation preventing portion 30 is provided to protrude radially outward from the outer peripheral surface of the shaft body 31. Then, as shown in FIG. 6, the cross section of the shaft body 3 is non-circular due to the rotation preventing portion 30. The rotation preventing portion 30 prevents the shaft body 3 from rotating around the axis with respect to the cylindrical body 4 as described later.

The cylindrical body 4 is a cylindrical member that covers the shaft body 3 and is composed of a pair of divided bodies 40 and 41 that can be assembled from the outer peripheral side of the shaft body 3. In other words, the cylindrical body 4 is composed of a pair of divided bodies 40 divided in the longitudinal axis direction.
41. As a material of the divided bodies 40 and 41, for example, a synthetic resin is used. A connecting means is provided between the divided bodies 40 and 41, and the divided bodies 40 and 41 are mechanically connected to each other by the connecting means.

As shown in FIG. 2, a plurality of projecting portions are provided integrally with the divided body 40 on the inner surface of the divided body 40, and these serve as connecting means for the divided bodies 40 and 41. ing. Four of these protruding portions are engaging pieces 43, which are provided in pairs near the left end and the right end in the axial direction, respectively, so as to face each other. The other two are second engagement pieces 60 provided substantially at the center in the axial direction so as to face each other. The engagement piece 43 and the second engagement piece 60 are formed to extend from the inner surface of the divided body 40 as shown in FIG. 2 and are elastically deformable. Note that the engagement piece 43 and the second engagement piece 60 correspond to the engagement piece and the connecting means of the present invention. Further, a pair of wall-shaped sliding prevention portions 32 are provided on the inner surface of the divided body 40 as shown in FIG. Since the anti-sliding portion 32 is provided at a position sandwiching the anti-rotation portion 30 of the shaft 3 in the axial direction, the anti-slip portion 30 slides when the anti-rotation portion 30 slides with respect to the cylinder 4 (divided body 40). The rotation preventing portion 30 is locked by the preventing portion 32. Thus, the amount of axial sliding of the shaft body 3 and the cylindrical body 4 relatively in the axial direction is limited.

As shown in FIG. 3, one of the divided bodies 41 has a plurality of projecting portions provided integrally with the divided body 41 on the inner surface thereof. Four of them are locking portions 4 provided in pairs near the left end and right end in the axial direction, respectively.
2. The remaining two are second locking portions 45 provided substantially at the center in the axial direction so as to face each other. Locking part 4
5, 2 extends from the inner surface of the divided body 41 to the opposite surface side as shown in FIG. 5, and the lower end surface of the locking portion 42 is flush with the divided surface. The engaging portion 42 is configured to be able to engage with the engaging piece 43. In addition, the second locking portion 45
As shown in FIG. 6, it is provided extending from the center of the inner peripheral wall surface in the horizontal direction (the same plane direction as the dividing plane), and is configured to be able to engage with the second engagement piece 60. Note that the locking portion 42 and the second locking portion 45 correspond to the locking portion and the connecting means of the present invention.

As shown in FIG. 5, the engaging piece 43 is provided with a convex engaging claw 44 on the outer surface on the distal end side, and the engaging claw 44 is engaged with the locking portion 42. As shown in FIG. 6, the second engaging piece 60 is provided with a convex engaging claw 62 on the outer surface on the distal end side. Engage. Further, the second engagement piece 60 is provided with a storage recess 61 for storing the shaft body 3,
A storage recess 61 is also provided in the other second engagement piece 60. The shaft body 3 is housed by the two housing recesses 61.

A concave portion 63 is formed between the base ends of the two second engaging pieces 60 as shown in FIG.
One of the rotation preventing portions 30 of the shaft body 3 is engaged with 3.
A gap 64 is formed between the distal ends of the second engagement pieces 60, and one of the rotation preventing portions 30 is engaged with the gap 64. Therefore, the rotation preventing portion 30 is locked by the two second engagement pieces 60, whereby the shaft body 3 and the cylindrical body 4 (the divided bodies 40 and 41) cannot be relatively rotated.

Next, a method for assembling the cylinder 4 to the shaft 3 will be described. First, as shown in FIG. 8, the divided body 40 is assembled from the outer peripheral side of the shaft body 3. At this time, the second engaging piece 60 elastically bends when its tip is pushed by the shaft body 3,
It deforms in the direction in which the space between the two second engagement pieces 60 expands. Then, as shown in FIG. 9, the second engagement piece 60 elastically returns after passing through the shaft 3, and the space between the two second engagement pieces 60 is closed. Next, the divided body 41 is attached to the divided body 40 from the outer peripheral side of the shaft body 3. At this time, the second engagement piece 60
The engaging claw 62 engages with the locking portion 45 by being elastically bent by being pushed by the locking portion 45, the engaging claw 62 climbing over the locking portion 45 and the second engaging piece 60 elastically returning. (See FIG. 6).

On the other hand, the engagement piece 43 is elastically bent by being pushed by the locking portion 42, and the engaging claw 44 gets over the locking portion 42 and the engaging claw 43 elastically returns, so that the engagement claw 44
Engages with the locking portion 42 (see FIG. 5). That is, the engaging piece 43 and the second engaging piece 60 are expanded and contracted by being elastically deformed, respectively, and are engaged with the locking part 42 and the second locking part 45. The connecting means includes a plurality of divided bodies 40,
41, it can be said in other words that the divided bodies 40, 4
By assembling 1 from the outer peripheral side of the shaft body 3, the divided bodies 40 and 41 are mechanically engaged with each other.

As described above, since the divided bodies 40 and 41 are mechanically connected to each other by the connecting means,
No burrs are formed between 41. Therefore, the step of removing burrs, which is conventionally required, becomes unnecessary, and the manufacturing process is simplified. As a result, the manufacturing cost of the vehicle sun visor 1 is reduced. Further, since the rotation preventing portion 30 of the shaft body 3 is engaged with the second engagement piece 60, the shaft body 3 is prevented from rotating relative to the cylindrical body 4. Conventionally, the relative rotation of the shaft body 3 and the cylindrical body 4 has caused abnormal noise and the twist of the skin 20 (see FIG. 2). However, in the present embodiment, these inconveniences are prevented. obtain.

Further, since the engagement piece 43, the second engagement piece 60, the locking portion 42, and the second locking portion 45, which are connecting means, are formed integrally with the divided bodies 40 and 41, the Axis 6
Is reduced. Moreover, the divided body 40,
There is no need for an interposition such as an adhesive for bonding the 41 to each other, or a device such as a welding device for welding. Therefore,
The divided bodies 40 and 41 can be easily assembled with each other, and the manufacturing cost can be reduced. The connecting means is divided body 40,
Since they are provided on the inner surface of 41, they are formed inside the cylindrical body 4. That is, the connecting means does not appear on the outer surface side of the cylindrical body 4 (the divided bodies 40 and 41). Therefore, the design and functionality of the cylinder 4 are maintained without being affected by the connecting means. In addition, since the connecting means can be configured without considering the outer shape of the cylindrical body 4 and the like, a simple configuration can be achieved.

The amount of sliding of the cylinder 4 in the axial direction with respect to the shaft 3 is limited by the pair of anti-sliding portions 32 formed on the cylinder 4. Therefore, the inconvenience that the skin 20 is discharged from the cylinder 4 due to the movement of the cylinder 4 is prevented (see FIG. 7).

The present invention is not limited to the above embodiment, but may be, for example, a support shaft 6 having the following configuration. (1) The engagement piece 43 and the second engagement piece 6 of the above embodiment
The locking portion 42 and the second locking portion 45 are formed integrally with the divided bodies 40 and 41, respectively, but are configured by attaching separately prepared separate members to the divided bodies 40 and 41. May be performed. Even in such a case, the divided bodies 40 and 41 are connected without generating burrs. (2) Although the divided bodies 40 and 41 of the above-mentioned embodiment are formed individually, the divided bodies 40 and 41 may be connected to each other in a hinge shape at one end. In this case, connecting means (engaging pieces and locking portions) are provided on the free ends of the divided bodies 40 and 41. Therefore, divided body 4
The divided bodies 4 and 0 are connected to each other by rotating the divided bodies 40 and 41 about the hinge portion and connecting the connecting means.
0 and 41 are connected to each other. (3) Although the locking portion 42 and the second locking portion 45 of the above embodiment are provided in a convex shape from the inner surface of the divided body 41, the case where they are provided in a concave shape may be used. . In this case, the convex engagement portion and the second engagement portion are configured to engage with the concave engagement portion and the second engagement portion, and the divided bodies 40 and 41 are connected to each other by this engagement. Be linked.

[0023]

According to the cylindrical body constituting the support shaft according to the present invention, the cylindrical body is constituted by a plurality of divided bodies which can be assembled from the outer peripheral side, and a connecting means is provided between the divided bodies. I have. Therefore, the divided bodies are connected by the connecting means,
Burrs due to assembly do not occur on the divided body. Therefore, a step for removing burrs becomes unnecessary.

[Brief description of the drawings]

FIG. 1 is a perspective view of a vehicle sun visor according to an embodiment.

FIG. 2 is an enlarged perspective view of the vicinity of a support shaft, showing a state before a divided body is assembled.

FIG. 3 is a lower perspective view of a split body on one side.

FIG. 4 is a perspective view showing a vehicle sun visor mounted on a vehicle compartment ceiling surface, and is a perspective view of the vehicle sun visor, hooks, and the vehicle compartment ceiling surface.

FIG. 5 is an enlarged cross-sectional view taken along line AA of FIG. 1, and is a cross-sectional view showing an engagement piece and a locking portion of a cylindrical body.

FIG. 6 is an enlarged cross-sectional view taken along the line BB of FIG. 1 and is a cross-sectional view showing a second engagement piece and a second locking portion of the cylindrical body.

FIG. 7 is a longitudinal sectional view of the support shaft in the axial direction.

FIG. 8 is a cross-sectional view of the same portion as in FIG. 6 before the divided body and the shaft body are assembled.

FIG. 9 is a cross-sectional view at the same place as FIGS. 6 and 8, showing a state where one of the divided bodies is attached to a shaft body.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Sun visor for vehicles 2 ... Sun visor main body 3 ... Shaft body 4 ... Cylindrical body 5 ... Support shaft 6 ... Support shaft 20 ... Skin 21 ... Bearing member 22 ... Frame 30 ... Rotation stop part 31 ... Shaft body 32 ... Anti-sliding part 40, 41 ... divided body 42 ... locking part 43 ... engagement piece 45 ... second locking part 60 ... second engagement piece 61 ... storage recess 63 ... recess 64 ... gap 70 ... vehicle interior ceiling surface 71 ... hook

Claims (3)

[Claims] 1. A sun visor for a vehicle, comprising: a sun visor main body; and a support shaft mounted on the sun visor main body and rotatably hung on a hook on a ceiling surface of a passenger compartment, wherein the support shaft is a shaft. A body and a cylinder covering the shaft, wherein the cylinder is composed of a plurality of divided bodies that can be assembled from an outer peripheral side of the shaft, and the divided bodies include the divided bodies. A sun visor for a vehicle, comprising a connecting means for engaging. 2. The sun visor for a vehicle according to claim 1, wherein the connecting means extends from an inner surface of at least one of the plurality of divided bodies and is integrally formed with the divided body. A sun visor for a vehicle, comprising: a mating piece; and a locking portion formed on an inner surface of another divided body so as to be engageable with the engaging piece. 3. The sun visor for a vehicle according to claim 2, wherein the engagement piece of the cylindrical body is engaged with a rotation preventing portion formed on the shaft to form a rotation stop of the cylindrical body. A sun visor for a vehicle, comprising: