JP2011057121A - Sun visor and method for manufacturing the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an inexpensive sun visor with a simple constitution. <P>SOLUTION: The sun visor 10 includes: a board-like core material 20; a notch part 21 provided on the core material 20; a knob escutcheon 30 made of resin attached to the notch part 21 of the core material; and a skin covering the core material 20 equipped with the knob escutcheon 30. In the sun visor, the knob escutcheon 30 has a knob part 31 detachably held by a member provided on a vehicle side, and an insertion part 32 formed along the notch part 21 of the core material and formed so as to hold the core material 20. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a sun visor and a method for manufacturing a sun visor.

  Usually, vehicle sun visors are installed on the driver's seat side and auxiliary seat side above the front window in the car interior, respectively, and the sun's rays and the headlights of the oncoming vehicle at night are shielded to effectively ensure driving visibility. I am doing so.

  For example, the configuration of the sun visor on the driver's seat side will be described. As shown in FIG. 1, in the sun visor 1, the rotation shaft 3 is rotatably inserted into one end side of the sun visor body 2 that shields sunlight and the like. The rotating shaft 3 is rotatably inserted into a bracket (not shown) attached to the vehicle body side. The board-like core material 2 is configured by enclosing the outer surface with a skin material such as a vinyl chloride sheet, although not shown.

  FIG. 2 is a view for explaining a structural part of a conventional knob. The knob structure 4 will be described in detail. The knob portion 4 includes a resin knob 5 and a core material fixing portion including an iron core portion 6 and a fixing claw portion 7. The core material fixing portion is nail bent and fixed to the core material 2 before the skin welding. Moreover, the knob 5 consists of a two-part product, and is welded and fixed to the iron core portion 6 of the core material fixing portion by ultrasonic waves after the skin is welded, and is integrally formed. In another conventional technique, the knob portion is formed of a resin, and a seat surface for fixing the core material and a hole for attaching with a fixture such as a rivet are integrally formed on the knob.

No. 1-337923 JP-A-8-276734 JP 2008-6874 A

However, the following problems have occurred in the above prior art.
Since the core material fixing part was fixed to the core material 2 by claw bending or rivets, the number of man-hours was increased. Further, when the core material fixing portion is fixed to the core material 2 by bending the claws, the reliability of the fixing strength is lowered. Further, when the split type knob is fixed later with ultrasonic waves, the number of parts increases and the number of man-hours also increases. Moreover, the welding skin of the epidermis was pinched | interposed into the division | segmentation knob, and the welding defect of the knob had generate | occur | produced.

  Therefore, the present invention has been made in view of the above problems, and an object thereof is to provide an inexpensive sun visor and a sun visor manufacturing method with a simple configuration.

  In order to solve the above problems, the sun visor of the present invention includes a board-shaped core material, a notch portion provided in the core material, and a resin knob escutcheon attached to the notch portion of the core material. A sun visor having an outer skin covering the core member on which the knob escutcheon is mounted, wherein the knob escutcheon is detachably gripped by a member provided on a vehicle side, and the notch of the core member And an insertion portion formed so as to sandwich the core material.

  According to the present invention, the knob portion can be fixed to the core member with one touch, and a conventional fixing tool such as a rivet is unnecessary, and the mounting is easy, so the processing cost can be reduced. The product cost can be reduced. Therefore, an inexpensive sun visor can be provided with a simple configuration. In addition, because the entire outer periphery of the knob escutcheon is inserted into the board, the fixing strength is greatly increased. This improves the reliability.

  In the above invention, the core member has a hole portion corresponding to a position where the knob escutcheon is attached, and the knob escutcheon is a claw portion that fits into the hole portion at the attachment position of the knob escutcheon. Have According to the present invention, the knob escutcheon can be fixed to the core member with one touch.

  The method of manufacturing a sun visor according to the present invention is a method of manufacturing a sun visor in which a core material is covered with an outer skin, and an opening is formed in a knob portion of a core material to which a knob is fixed in advance and a portion corresponding to the knob portion. The outer skin is set on a U-shaped guide piece provided in the skin welding mold, and then the outer periphery of the skin is welded.

  According to the present invention, by setting the skin on the guide piece, it is possible to accurately form the skinless portion only at a predetermined position of the knob portion. Thereby, quality improves.

  According to the present invention, it is possible to provide an inexpensive sun visor and a method for manufacturing a sun visor with a simple configuration.

It is a figure explaining the structure of the core material and knob of a sun visor of a prior art. It is a figure which shows the structure of the knob of the prior art sun visor. It is a figure which shows the sun visor which concerns on embodiment of this invention. It is a figure explaining the sun visor for vehicles concerning the embodiment of the present invention, and shows the state where the skin was removed. It is a figure explaining the sun visor for motor vehicles based on embodiment of this invention, Comprising: The state before attaching a pad material, a shaft, and a cover in FIG. 4 is shown. It is a figure which expands and shows the part of the knob escutcheon shown in FIG. It is a perspective view of the knob escutcheon concerning the embodiment of the present invention. It is a figure explaining the manufacturing process of the sun visor which concerns on embodiment of this invention. (A) Cross-sectional view of the lower mold guide piece, (b) is a front view.

  DESCRIPTION OF EMBODIMENTS Hereinafter, preferred embodiments according to the present invention will be described in detail with reference to the drawings.

  FIG. 3 is a diagram showing an automobile sun visor according to an embodiment of the present invention. As shown in FIG. 3, a sun visor 10 for an automobile is provided with a sun visor body 11 having a desired light-shielding area and a substantially L-shape that is provided on one end side of the sun visor body 11 and supports the sun visor body 11 so as to be rotatable. The rotation shaft 51 and a bracket (not shown) attached to the roof side of the vehicle are installed at the end of the rotation shaft 51, and the rotation shaft 51 is rotatably inserted into the bracket so that It can be operated at any position in the left-right direction.

  FIG. 4 is a view for explaining the automobile sun visor according to the embodiment of the present invention, and shows a state in which the skin is removed. As shown in FIG. 4, the sun visor body 11 wraps both sides of the core material 20 with a pad material 40 having cushioning properties formed in a substantially product shape. As the pad material 40, polyurethane foam is used in the present embodiment. However, in order to reinforce rigidity and the like, the material selection is appropriately changed depending on the desired use, such as semi-rigid polyurethane foam and compression-treated polyurethane foam. May be. And the cover 50 which bears the shaft 51 for rotation is fixed by fixtures 52 and 53, such as a rivet.

  FIG. 5 is a diagram for explaining the automobile sun visor according to the embodiment of the present invention, and shows a state before the pad material and the holder are attached in FIG. 4. FIG. 6 is an enlarged view showing a portion of the knob escutcheon shown in FIG. FIG. 7 is a perspective view of a knob escutcheon according to an embodiment of the present invention.

  The automobile sun visor 10 has a board-like core material 20 made of a plate material. A cutout portion 21 into which the knob escutcheon 30 is inserted is formed in the core material 20 in a curved shape. In addition, holes 22 and 23 are formed in the core member 20 so as to correspond to the claw portions 33 and 34 of the knob escutcheon 30.

  The knob escutcheon 30 is made of resin and is attached to the notch 21 of the core material. The knob escutcheon 30 is formed on the outer peripheral portion so as to extend along substantially the entire circumference of the knob portion 31 and the cutout portion 21 of the core material that are gripped by a member provided on the vehicle side, and is formed so as to sandwich the core material 20. The inserted portion 32 is integrally formed. The insertion portion 32 is formed in a bow shape in accordance with the shape of the notch portion 21 of the core material.

  Further, the knob escutcheon 30 is formed with a base 35 and claw portions 33 and 34 which are provided on the base 35 and fit into the hole portions 22 and 23 of the core material at the position where the knob escutcheon 30 is attached. As a result, the knob escutcheon 30 can be fixed to the core member 20 with one touch. The knob escutcheon 30 is integrally formed of resin. Since the knob escutcheon 30 sandwiches substantially the entire circumference of the notch 21 of the core material, the fixing strength is increased. When the pad material 40 is adhered by applying an adhesive such as hot melt on both surfaces of the core material 20 to which the knob escutcheon 30 is attached, the state shown in FIG. 4 is obtained.

Next, a manufacturing process of the sun visor body 11 in the automobile sun visor 10 will be described. FIG. 8 is a diagram illustrating a manufacturing process of the sun visor. 9A is a cross-sectional view of the lower mold guide piece, and FIG. 9B is a front view thereof.
First, the skin welding type will be described. As shown in FIG. 8, the skin welding mold is composed of a lower mold 70 and an upper mold 80. The lower die 70 has a frame 76 that is provided on the outer periphery, a lower electrode 71 that is provided on the inner side of the frame 76 and has the same shape as the outer shape of the sun visor, and is provided on both sides and engages with the upper die 80. Engaging portions 72 and 73 and a guide piece 74 movable up and down by a spring mechanism 77 are provided.

  As shown in FIG. 9A, the guide piece 74 has a U shape and can be moved in the vertical direction by a spring mechanism 77. Further, the cap bolt 75 can restrict the movement of the guide piece 74 in the vertical direction.

  The upper mold 80 includes a frame 86 that is provided around the outer periphery, an upper electrode 81 that is provided around the inside of the frame 86, and an engagement portion 82 that is provided on both sides and engages with the lower mold 70. 83, and a recess 84 provided in a portion corresponding to the lower guide piece 74 is provided.

  Next, a method for manufacturing the sun visor body will be described. First, the knob escutcheon 30 is fixed to the notch 21 of the board-shaped core member 20 (see FIG. 5). At this time, the knob escutcheon 30 can be fixed to the core member 20 with one touch. Next, the pad material 40 is bonded to both surfaces of the core material 20 with an adhesive (see FIG. 4).

  Next, two sheets of a skin sheet 61 located on the front surface side of the core material 20 covered with the pad material 40 and a skin sheet 65 located on the back surface side are prepared. In the skin sheets 61 and 65, openings 62 and 66 are previously formed in portions corresponding to the guide pieces 74. The openings 62 and 66 are holes having substantially the same size as the outer periphery of the guide piece 74. The skin openings 62 and 66 can be punched with a punching die in the skin blanking process, for example.

  Then, the one skin sheet 61 is inserted into the guide piece 74 with the opening 62 inserted therein and set in the skin welding type lower mold 70. At this time, the guide frame 74 is in the most protruding state. Next, the knob portion 31 of the core material 12 with the pad material to which the knob escutcheon 30 is fixed in advance is inserted into the recess 74 a of the guide piece 74 and set in the lower die 70. Next, the other skin 65 is set in the lower mold 70 with the opening 66 inserted into the guide piece 74. In this way, the skin sheets 61 and 65 and the padded core material 12 are positioned by the guide piece 74.

  The upper die 80 of the skin welding type is lowered, and a predetermined current is applied to the lower electrode 71 and the upper electrode 81 from a high-frequency transmitter (not shown) for a predetermined time to weld the outer periphery of the skin. Thereafter, the skin sheet outside the product is cut by handwork or the like to complete the production of the sun visor body 11.

  According to the sun visor according to the embodiment of the present invention, when the knob is fixed to the core material, it can be performed with one touch, and a conventional fixing tool such as a rivet is unnecessary, and the mounting is easy. The processing cost can be reduced and the product cost can be lowered. In addition, since the entire outer periphery of the knob escutcheon 30 is inserted into the board, the fixing strength is greatly increased. This improves the reliability.

  Further, according to the method of manufacturing the sun visor of the present invention, by setting the skin sheets 61 and 65 on the guide piece 74, it is possible to accurately form the skinless portion only at a predetermined position of the knob portion.

  The preferred embodiments of the present invention have been described in detail above. However, the present invention is not limited to the above-described embodiments, and various modifications can be made within the scope of the gist of the present invention described in the claims. It can be changed. In the above embodiment, the insertion portion 32 of the knob escutcheon is described as an example of a type in which the insertion portion 32 of the core material is sandwiched by substantially the entire circumference of the cutout portion 21 of the core material. The present invention can be applied even when a part of the portion 21 is sandwiched. Moreover, the manufacturing method of the sun visor of the present invention can be applied even when the above-described knob escutcheon 30 is not used.

DESCRIPTION OF SYMBOLS 10 Door trim 11 Sun visor main body 20 Core material 21 Notch part 30 Knob escalation 31 Knob part 32 Insertion part 33, 34 Claw part 70 Lower mold | type 74 Guide piece 80 Upper mold | type

Claims (3)

A board-shaped core material, a notch provided in the core material, a resin knob escutcheon attached to the notch portion of the core material, and a skin covering the core material to which the knob escutcheon is attached A sun visor having
The knob escutcheon is
A knob portion detachably gripped by a member provided on the vehicle side;
A sun visor comprising: an insertion portion formed along a notch portion of the core material and formed so as to sandwich the core material. The core member has a hole provided corresponding to a position where the knob escutcheon is attached;
2. The sun visor according to claim 1, wherein the knob escutcheon has a claw part that fits into the hole part at a position where the knob escutcheon is attached. A method of manufacturing a sun visor with a core covered with an outer skin,
After setting the knob part of the core material, in which the knob is fixed in advance, and the skin formed with an opening in the part corresponding to the knob part, to the U-shaped guide piece provided in the skin welding mold, The manufacturing method of the sun visor characterized by welding the outer periphery of.

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