JP2010274745A - Vehicle body front portion structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve appearance of an engine hood rear portion. <P>SOLUTION: The vehicle body front portion structure 20 includes: a lower hinge 22 fixed on a vehicle body 11; a hood hinge 17 which rotates against the lower hinge 22 and which has an upper hinge 23 fixed on the engine hood 14; and a cowl top garnish 16 disposed between the engine hood 14 and a front windshield glass 15. On the cowl top garnish 16, there is also provided an interference relief opening 21 for avoiding interference with the upper hinge 23 while opening and closing the engine hood 14. On the upper hinge 23, there is also provided a hinge cover 25 for covering the interference relief opening 21 while closing the engine hood 14. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a vehicle body front structure in which an engine hood is attached to a vehicle body through a hinge so as to be freely opened and closed.

2. Description of the Related Art As a vehicle body front structure, a design that improves the design of a vehicle body when an engine hood is attached to the vehicle body through a hinge so as to be freely opened and closed is known.
As this type of vehicle body front structure, one that improves the appearance of the rear of the engine hood without hindering the lift operation of the active hood hinge that raises and lowers the engine hood is known (see, for example, Patent Document 1).

  The vehicle body front part structure of Patent Document 1 is provided on an active hood hinge that lifts up the engine hood, a cowl top garnish that covers the rear part of the active hood hinge, and on the movement locus of the active hood hinge. This is provided with an avoidance part that can be moved in accordance with the lift operation of the active hood hinge, and does not interfere with the lift operation of the active hood hinge that moves the engine hood up and down. Is an improvement.

In general, in a vehicle body front structure in which the lower hood of the engine hood hinge is fixed to the vehicle body, the engine hood is attached to the upper hinge, and the engine hood is attached to the vehicle body so as to be freely opened and closed, between the engine hood and the front windshield glass. Some cowl top garnishes are provided with slits to allow rotation of the upper hinge.
Such a slit not only looks bad, but may cause a loss of merchantability of the vehicle. Therefore, also in the vehicle body front structure described above, a measure for improving the appearance behind the engine hood as in the vehicle body front structure of Patent Document 1 is desired.

JP 2005-28906 A

  The present invention can improve the appearance of the rear of the engine hood in a vehicle body front structure in which the lower hood of the engine hood hinge is fixed to the vehicle body, the engine hood is attached to the upper hinge, and the engine hood is attached to the vehicle body so as to be opened and closed. It is an object to provide a vehicle body front structure.

  The invention according to claim 1 is arranged between a lower hinge fixed to the vehicle body, a hood hinge that rotates with respect to the lower hinge and is fixed to the engine hood, and between the engine hood and the front windshield glass. The cowl top garnish has an interference relief opening to avoid interference with the upper hinge when the engine hood is opened and closed, and the upper hinge interferes with the engine hood when the engine hood is closed. A hinge cover for covering the escape opening is provided.

  In the invention according to claim 2, the hinge cover includes a lower piece formed of a hard resin material and attached to the upper hinge, and an upper piece formed of a soft resin material and wrapped with at least the cowl top garnish when the engine hood is closed. The upper piece and the lower piece are formed by two-color molding.

  The invention according to claim 3 is characterized in that the design surface of the hinge cover is formed of a soft resin material.

  In the invention according to claim 4, the upper hinge has a front mounting portion to which the front side of the hinge cover is mounted and a rear mounting portion to which the rear side is mounted, and the rear mounting portion is lowered rearward with respect to the front mounting portion. It is provided with an angle so as to be inclined.

The present invention has the following effects.
According to the first aspect of the present invention, a lower hinge fixed to the vehicle body, a hood hinge that rotates with respect to the lower hinge and is fixed to the engine hood, and the engine hood and the front windshield. A cowl top garnish disposed between the glass and the glass.
The cowl top garnish has an interference relief opening to avoid interference with the upper hinge when the engine hood is opened and closed, and the upper hinge has a hinge cover that covers the interference relief opening when the engine hood is closed. Appears better. As a result, the merchantability of the vehicle can be improved.

In the invention according to claim 2, the hinge cover includes a lower piece formed of a hard resin material and attached to the upper hinge, and an upper piece formed of a soft resin material and wrapped with at least the cowl top garnish when the engine hood is closed. As a result, it is possible to increase the adhesion with the cowl top garnish with the soft resin material while improving the mounting rigidity with the hard resin material.
Moreover, since the upper piece and the lower piece are formed by two-color molding, the hinge cover can be easily molded and the number of parts can be reduced.

  In the invention according to claim 3, since the design surface of the hinge cover is formed of a soft resin material, by molding the entire design surface of the hinge cover with a soft resin material, for example, a soft resin material and a hard resin material The boundary between no longer exists on the design surface. This further improves the appearance of the hinge cover.

In the invention according to claim 4, the upper hinge has a front attachment portion to which the front side of the hinge cover is attached and a rear attachment portion to which the rear side is attached, and the rear attachment portion is lowered rearward with respect to the front attachment portion. It was provided with an angle to incline.
The rear mounting portion is positioned below the front mounting portion when the engine hood is opened, and is fastened closer to the vehicle body. At this time, if the rear mounting portion is inclined, it is difficult to perform the fastening operation of the rear mounting portion. Therefore, by tilting the rear mounting portion rearward and lower than the front mounting portion, the rear mounting portion becomes closer to the vertical than the front mounting portion when the engine hood is opened. That is, the fastening line becomes almost horizontal, and the fastening work of the rear mounting portion is facilitated. That is, the attachment property of the hinge cover can be improved.

1 is a perspective view of a vehicle that employs a vehicle body front structure according to the present invention. It is a perspective view of the vehicle body front part structure concerning the present invention. FIG. 3 is a perspective view of a hood hinge of the vehicle body front part structure shown in FIG. 2. FIG. 4 is a cross-sectional view taken along line 4-4 of FIG. FIG. 5 is a sectional view taken along line 5-5 of FIG. FIG. 4 is a perspective view of a hinge cover of the hinge shown in FIG. 3. FIG. 7 is a cross-sectional view taken along line 7-7 in FIG. 6. FIG. 8 is a cross-sectional view taken along line 8-8 in FIG. 6. FIG. 9 is a cross-sectional view taken along line 9-9 in FIG. 6. FIG. 3 is a comparative study diagram of the vehicle body front part structure shown in FIG. 2.

  Embodiments of the present invention will be described below with reference to the accompanying drawings. The drawings are viewed in the direction of the reference numerals.

  As shown in FIGS. 1 and 2, the vehicle 10 includes an engine hood 14 that covers the front portion of the vehicle body 11, a front windshield glass 15 that covers the front of the vehicle compartment 12 in a transparent manner, and these engine hoods 14. Is disposed between the front windshield glass 15 and the cowl top garnish 16 covering the gap formed by the engine hood 14 and the front windshield glass 15 and behind the engine hood 14. A hood hinge 17 for attaching the hood 14 so as to be freely opened and closed is provided.

The vehicle body front structure 20 according to the present invention is a structure including an engine hood 14, a cowl top garnish 16, and a hood hinge 17.
The engine hood 14 is attached to the upper hinge 23 of the hood hinge 17 with bolts 27 and 27.
The cowl top garnish 16 is formed with an interference relief opening (slit) 21 for escaping the interference of the upper hinge 23 when the engine hood 14 is opened (opening and closing).

  As shown in FIGS. 3 to 4, the hood hinge 17 is attached to the vehicle body 11 with bolts 26 and 26 and is rotatably (rotatably) attached to the lower hinge 22 via a pin 24. The upper hinge 23 that supports the engine hood 14 and the hinge cover 25 that is attached to the upper hinge 23 from above and covers the interference escape opening 21 of the cowl top garnish 16 when the engine hood 14 is closed.

  The lower hinge 22 is formed by bending the lower main body 31, a lower portion of the lower main body 31, a lower side mounting portion 32 attached to the vehicle body 11 with bolts 26 and 26, and an upper rear of the lower main body 31. Thus, a lower side fitting portion 33 that is rotatably fitted to the upper hinge 23 via the pin 24 is formed.

  The upper hinge 23 is formed in the upper main body 41, the front portion of the upper main body portion 41, front and rear mounting holes 42 and 43 for mounting the engine hood 14 with bolts 27 and 27, and the rear portion of the upper main body portion 41. An upper side fitting portion 44 that is rotatably fitted to the lower hinge 22 via a pin 24, and a front attachment portion that is formed behind the rear attachment hole 43 and that attaches the front side of the hinge cover 25 from the rear surface with an attachment screw 47. 45, a rear mounting portion 46 which is formed behind the front mounting portion 45 and which mounts the rear side of the hinge cover 25 with a mounting screw 48 from the back surface, and first and second positioning receiving portions 51 for positioning the hinge cover 25. , 52 (see FIGS. 8 and 9).

  As shown in FIG. 4, the relationship between the front mounting portion 45 and the rear mounting portion 46 is such that the rear mounting portion 46 is provided with an angle θ such that the rear mounting portion 46 is inclined backward and downward with respect to the front mounting portion 45. .

  As shown in FIG. 2, the rear mounting portion 46 is positioned below the front mounting portion 45 when the engine hood 14 is opened, and is closer to the vehicle body 11 by a tool (for example, an electric driver) 54. It is concluded. At this time, if the rear mounting portion 46 is inclined, it is difficult to perform the fastening operation of the rear mounting portion 46. Therefore, by tilting the rear mounting portion 46 rearward and lower than the front mounting portion 45, the rear mounting portion 46 becomes closer to the vertical than the front mounting portion 45 when the engine hood 14 is opened. That is, the fastening line becomes almost horizontal, and the fastening work of the rear mounting portion 46 is facilitated.

  Further, in the front mounting portion 45, as shown in FIGS. 4 and 5, a spring nut 65 is inserted into an escape hole 64 formed on the front side of the hinge cover 25, and a mounting screw 47 is attached to the spring nut 65. Screwed. In the rear mounting portion 46, as shown in FIG. 4, the mounting screw 48 is screwed into the mounting boss 65 formed on the rear side of the hinge cover 25.

  6-9, the hinge cover 25 is formed of a hard resin material and attached to the upper hinge 23. The hinge cover 25 is formed of a soft resin material and at least when the engine hood 14 is closed. It comprises a cowl top garnish 16 and an upper piece (wrap portion) 61 that wraps. The hard resin material is preferably polypropylene resin or ABS resin, and the soft resin is preferably EPDM (ethylene / polypropylene rubber) or other rubber.

The upper piece 61 and the lower piece 62 are formed by two-color molding.
Further, a design surface 71 is formed on the surface of the upper piece 61, and the lower piece 62 is not projected on the design surface 71 (see FIGS. 6 to 8). In the lower piece 62, as described above, the escape hole 64, the mounting boss 65, and the first positioning portion 67 positioned on the first positioning receiving portion 51 of the upper hinge 23, as shown in FIG. A second positioning portion 68 (see FIG. 9) that is positioned on the second positioning receiving portion 52 of the upper hinge 23 is formed.

  FIG. 10A shows a state where the engine hood 104 is closed in the vehicle body front structure 100 of the comparative example, and FIG. 10B shows a state where the engine hood 104 is opened in the vehicle body front structure 100 of the comparative example. FIG. 10C shows a state in which the engine hood 14 is closed in the vehicle body front structure 20 of the embodiment, and FIG. 10D shows the engine hood 14 in the vehicle body front structure 20 of the embodiment. Is shown open.

  As shown in FIGS. 10 (a) and 10 (b), a vehicle body front structure 100 according to a comparative example includes an engine hood 104 that covers the front portion of the vehicle body 101, and a front window that covers the front of the vehicle compartment 102 in a transparent manner. A shield glass 105, a cowl top garnish 106 disposed between the engine hood 104 and the front windshield glass 105 and covering a gap formed by the engine hood 104 and the front windshield glass 105, the vehicle body 101, and the engine hood The hood hinge 107 is provided behind the hood 104 and attaches the engine hood 104 to the vehicle body 101 so that the engine hood 104 can be opened and closed. The cowl top garnish 106 prevents interference with the upper hinge 113 of the hood hinge 107 when the engine hood 104 is opened. Interference escape opening to escape Tsu g) 111 are formed.

  That is, in the vehicle body front structure 100 of the comparative example, the interference relief opening (slit) 111 of the cowl top garnish 106 remains visible when the engine hood 104 is closed. Therefore, the interference escape opening 111 is conspicuous, and the merchantability of the vehicle is reduced.

  As shown in FIGS. 10 (c) and 10 (d), the vehicle body front structure 20 according to the embodiment includes an engine hood 14, a cowl top garnish 16, and a hood hinge 17, and an upper hinge of the hood hinge 17. 23 is provided with a hinge cover 25 that closes the interference escape opening (slit) 21 of the cowl top garnish 16 when the engine hood 14 is closed. Therefore, the interference escape opening (slit) 21 can be hidden.

  As shown in FIGS. 1 to 9, the vehicle body front structure 20 includes a lower hinge 22 that is fixed to the vehicle body 11 and a hood that rotates with respect to the lower hinge 22 and includes an upper hinge 23 that is fixed to the engine hood 14. A hinge 17 and a cowl top garnish 16 disposed between the engine hood 14 and the front windshield glass 15 are provided.

  The cowl top garnish 16 is provided with an interference relief opening 21 that avoids interference with the upper hinge 23 when the engine hood 14 is opened (opening and closing), and the hinge cover 25 that covers the interference relief opening 21 when the engine hood 14 is closed. Since the engine hood 14 is closed, the appearance of the engine hood 14 is improved. Thereby, the merchantability of the vehicle 10 can be improved.

  The hinge cover 25 includes a lower piece 62 formed of a hard resin material and attached to the upper hinge 23, and an upper piece 61 formed of a soft resin material and wrapped with at least the cowl top garnish 16 when the engine hood 14 is closed. Therefore, the adhesion with the cowl top garnish 16 can be increased by the soft resin material while the mounting rigidity is improved by the hard resin material.

  In addition, since the upper piece 61 and the lower piece 62 are formed by two-color molding, the hinge cover 25 can be easily molded and the number of parts can be reduced.

  Since the design surface 71 of the hinge cover 25 is formed of a soft resin material, the entire design surface 71 of the hinge cover 25 is formed of a soft resin material, for example, a boundary between the soft resin material and the hard resin material. Does not exist on the design surface 71. Thereby, the appearance of the hinge cover 25 is further improved.

  The upper hinge 23 has a front attachment portion 45 to which the front side of the hinge cover 25 is attached, and a rear attachment portion 46 to which the rear side is attached, and the rear attachment portion 46 is inclined rearward with respect to the front attachment portion 45. Was provided with an angle.

  The rear attachment portion 46 is positioned below the front attachment portion 45 when the engine hood 14 is opened, and is fastened closer to the vehicle body 11. At this time, if the rear mounting portion 46 is inclined, it is difficult to perform the fastening operation of the rear mounting portion 46. Therefore, by tilting the rear mounting portion 46 rearward and lower than the front mounting portion 45, the rear mounting portion 46 becomes closer to the vertical than the front mounting portion 45 when the engine hood 14 is opened. That is, the fastening line becomes almost horizontal, and the fastening work of the rear mounting portion 46 is facilitated. That is, the attachment property of the hinge cover 25 can be improved.

  In the vehicle body front structure according to the present invention, as shown in FIG. 7, the hinge cover 25 is composed of an upper piece 61 and a lower piece 62. However, the present invention is not limited to this. It does not prevent the resin from being formed.

  The vehicle body front structure according to the present invention is suitable for use in passenger cars such as sedans and wagons.

  DESCRIPTION OF SYMBOLS 10 ... Vehicle, 11 ... Vehicle body, 14 ... Engine hood, 15 ... Front windshield glass, 16 ... Cowl top garnish, 17 ... Hood hinge, 20 ... Vehicle body front structure, 21 ... Interference relief opening, 22 ... Lower hinge, 23 ... Upper hinge, 25 ... hinge cover, 45 ... front mounting portion, 46 ... rear mounting portion, 61 ... upper piece, 62 ... lower piece, 71 ... design surface.

Claims (4)

A lower hinge fixed to the vehicle body, a hood hinge that rotates with respect to the lower hinge and is fixed to the engine hood, and a cowl top garnish disposed between the engine hood and the front windshield glass, The vehicle body front structure provided,
The cowl top garnish has an interference relief opening that avoids interference with the upper hinge when the engine hood is opened and closed,
A vehicle body front part structure provided with a hinge cover for covering the interference relief opening when the engine hood is closed on the upper hinge. The hinge cover is composed of a lower piece formed of a hard resin material and attached to the upper hinge, and an upper piece formed of a soft resin material and wrapped with at least the cowl top garnish when the engine hood is closed,
The vehicle body front part structure according to claim 1, wherein the upper piece and the lower piece are formed by two-color molding.   The vehicle body front part structure according to claim 1 or 2, wherein a design surface of the hinge cover is formed of the soft resin material. The upper hinge has a front attachment portion to which a front side of the hinge cover is attached and a rear attachment portion to which a rear side is attached.
The vehicle body front part structure according to claim 1 or 2, wherein the rear mounting part is provided with an angle so as to incline backward and downward with respect to the front mounting part.

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