JP5998771B2 - Hinge bracket for vehicle rear structure and trunk lid - Google Patents

Description

  The present invention relates to a vehicle rear structure of a vehicle including a trunk lid, and a trunk lid hinge fixing bracket for fixing a hinge for opening and closing the trunk lid to the vehicle.

  Notch-back type cars (four-wheeled vehicles) are in widespread use. A notch-back type automobile has a trunk which is a cargo space independent of the passenger compartment space. The trunk is capped with a trunk lid. A hinge for opening and closing the trunk lid is connected to the trunk lid, and the hinge is fixed to the vehicle body (partition panel) via a bracket. When the trunk lid is opened, one end of a torsion bar spring is held on the bracket so as to keep the trunk lid in a state of being flipped up (applying a force in the direction of opening the trunk lid).

  Patent Documents 1 and 2 exemplify the bracket described above. As exemplified in Patent Documents 1 and 2, a flange is formed on the edge of the hooking surface to which one end of the torsion bar spring of the bracket is hooked. This is because a large reaction force is applied from the torsion bar spring to ensure rigidity. Note that the rigidity can be secured (improved) simply by increasing the thickness of the bracket, but in this case, there is a problem that the weight increases.

JP-A-9-76944 Japanese Patent Laid-Open No. 10-46910

  However, when a flange is formed to ensure rigidity as exemplified in Patent Documents 1 and 2, contact with the torsion bar spring increases. For this reason, there is an increased risk of abnormal noise due to contact or damage or deformation due to contact.

  Accordingly, an object of the present invention is to provide a vehicle rear structure and a hinge fixing bracket for a trunk lid that can suppress occurrence of abnormal noise, damage, or deformation due to contact between a flange and a torsion bar spring. To do.

  In order to solve the above-described problem, a typical configuration of the present invention is a vehicle rear structure including a trunk lid. A bracket for fixing a hinge for opening and closing the trunk lid to the vehicle body and a trunk lid when the trunk lid is opened. The bracket further includes a hooking surface extending in the vertical direction and having one end of the torsion bar spring hooked on the edge, and a flange formed along the edge of the hooking surface. The flange has an inverse shape in which a tip is warped at least in a portion that can contact the torsion bar spring.

  According to the said structure, a flange becomes an inverse shape where the front-end | tip curved in the part which can contact a torsion bar spring. Thereby, a contact with a flange and a torsion bar spring can be controlled, and it can control that abnormal noise occurs, or damage and a deformation occur.

  The flange has one or more cutouts cut out from the front end side of the flange, and the cutouts are provided at the boundary between the portion having the inverse shape and the portion not having the inverse shape of the flange. It is characterized by that. Thereby, since the part which makes an inverse shape in a notch and the part which does not make are isolate | separated, an inverse shape can be shape | molded easily, without producing an unreasonable deformation | transformation in those boundaries.

  The notch is preferably provided in a portion where the flange is bent along the edge of the hooking surface. Thereby, when making an inverse shape over the front and back of the bent part of a flange, a notch functions as a relief. Therefore, the inverse shape can be easily formed without causing damage such as wrinkles and unexpected cracks, and unreasonable deformation.

  In order to solve the above-mentioned problem, another typical configuration of the present invention is a trunk lid hinge fixing bracket for fixing a hinge for opening and closing a trunk lid to a vehicle body. When the trunk lid is opened, the trunk lid is flipped up. The torsion bar spring is held at one end of the torsion bar spring. The flange has a hooking surface that is hooked on the edge, and a flange formed along the edge of the hooking surface. It is characterized by an inverse shape.

  According to the present invention, it is possible to provide a vehicle rear portion structure and a hinge fixing bracket for a trunk lid in which abnormal noise is prevented from being generated or damaged or deformed due to contact with a torsion bar spring.

It is a figure which shows the rear part of the vehicle right side of the motor vehicle which is embodiment of the vehicle rear part structure by this invention. It is a perspective view of a hinge, a bracket, and a torsion bar spring shown in FIG. It is a perspective view of the bracket shown in FIG. FIG. 4 is a perspective view of a hooking surface shown in FIG. 3. It is sectional drawing of Fig.4 (a). It is an arrow view of Fig.3 (a).

  Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The dimensions, materials, and other specific numerical values shown in the embodiments are merely examples for facilitating understanding of the invention, and do not limit the present invention unless otherwise specified. In the present specification and drawings, elements having substantially the same function and configuration are denoted by the same reference numerals, and redundant description is omitted, and elements not directly related to the present invention are not illustrated. To do.

  In the drawing, “vehicle front side” is represented by arrow Fwd, “vehicle right side” is represented by arrow Rh, and “vehicle upper side” is represented by arrow Up.

  FIG. 1 is a view showing a rear portion on the right side of an automobile 100 as an embodiment of a vehicle rear structure according to the present invention. The automobile 100 is a notch back type and has a trunk 102 that is a luggage space independent of the passenger compartment space. The trunk 102 is covered with a trunk lid 104. A hinge 106 that opens and closes the trunk lid 104 is connected to the trunk lid 104, and the hinge 106 is fixed to the partition panel 110 via a bracket 108 (trunk lid hinge fixing bracket). The partition panel 110 is a panel that is disposed above and opposite to the vehicle floor and partitions the vehicle compartment space and the cargo compartment space.

  FIG. 2 is a perspective view of the hinge 106, the bracket 108, and the torsion bar spring 112 shown in FIG. As shown in FIG. 2, the bracket 108 has one end of a torsion bar spring 112 that keeps the trunk lid 104 flipped up (applying a force in the direction to open the trunk lid 104) when the trunk lid 104 is opened. Is caught.

  3 is a perspective view of the bracket 108 shown in FIG. FIG. 3A is a perspective view of the bracket 108 viewed from the vehicle rear side, and FIG. 3B is a perspective view of the bracket 108 viewed from the vehicle front side. As shown in FIGS. 3A and 3B, the bracket 108 includes two vertical wall surfaces 114a and 114b that extend in the vertical direction and to which the hinge 106 is rotatably connected, and upper ends of the two vertical wall surfaces 114a and 114b. And a connecting surface 114c to be connected. Further, the bracket 108 has fixed surfaces 116 a and 116 b extending in parallel to the partition panel 110 from lower ends of the vertical wall surfaces 114 a and 114 b. The fixing surfaces 116a and 116b are fixed to the partition panel 110, respectively. The cross sections of the vertical wall surfaces 114a and 114b, the connecting surface 114c, and the fixed surfaces 116a and 116b have an inverted hat shape in which the shape of the rectangular wave is turned upside down.

  On the opposite side of the vertical wall surface 114a of the fixed surface 116a on the inner side in the vehicle width direction, a hooking surface 118 that extends in the vertical direction and on which one end of the torsion bar spring 112 is hooked to the edge is continuous. The hooking surface 118 is formed in a shape that allows the torsion bar spring 112 to be hooked. In the present embodiment, the hooking surface 118 is formed to have a hook-shaped recess 118a on which the torsion bar spring 112 is hooked.

  4 is a perspective view of the hooking surface 118 of the bracket 108 shown in FIG. 4A is a perspective view of the hooking surface 118 as seen from the rear side of the vehicle, and FIG. 4B is a perspective view of the hooking surface 118 as seen from the front side of the vehicle. As shown in FIGS. 4A and 4B, the bracket 108 has flanges 120 a and 120 b formed along the edge of the hooking surface 118. Specifically, the flange 120a is formed so as to extend inward in the vehicle width direction from the edge of the hook-shaped recess 118a of the hooking surface 118, and the flange 120b is formed so as to extend inward in the vehicle width direction from the lower edge of the hooking surface 118. . Thereby, rigidity can be ensured without increasing the thickness.

  FIG. 5 is a cross-sectional view of FIG. 5A is a cross-sectional view taken along line AA in FIG. 4A, FIG. 5B is a cross-sectional view taken along line BB in FIG. 4A, and FIG. ) Is a cross-sectional view taken along the line CC of FIG. 5, and FIG. 5D is a cross-sectional view taken along the line DD of FIG. As shown in FIGS. 5 (a) and 5 (c), the flanges 120a and 120b are portions located beside the torsion bar spring 112, and have an inverse shape in which the tip is warped at a portion that can come into contact therewith.

  If the flanges 120a and 120b are simply extended inward in the vehicle width direction, that is, if the flanges 120a and 120b are extended in a direction substantially perpendicular (90 °) from the edge of the hooking surface 118, contact with the torsion bar spring 112 increases. This increase in contact typically means that the behavior of the torsion bar spring 112 increases the area at which the torsion bar spring 112 contacts the flanges 120a, 120b. However, as described above, by making the inverse shape in which the tip of the portion that can contact the torsion bar spring 112 is warped, the area in contact with the torsion bar spring 112 can be suppressed to a minimum, and abnormal noise is generated or damaged. And the occurrence of deformation can be suppressed.

  On the other hand, as shown in FIGS. 5B and 5D, the flanges 120a and 120b are not positioned beside the torsion bar spring 112, and are not in an inverse shape in a portion where there is no possibility of coming into contact therewith. . That is, in this portion, the flanges 120a and 120b extend from the edge of the hooking surface 118 in a substantially right angle (90 °) direction. The inverse shape is difficult to mold and may not be the desired shape or may be cracked. In this embodiment, the inverse shape is provided only in a necessary portion. However, as a matter of course, the entire range of the flanges 120a and 120b may be inversely shaped.

  FIG. 6 is an arrow view of FIG. FIG. 6A is a view taken along arrow E in FIG. 3A, and FIG. 6B is a view taken along arrow F in FIG. As shown in FIG. 6A, in this embodiment, the inverse shape is formed over the ranges L1 and L2 indicated by the double arrows in the drawing as a portion that can contact the torsion bar spring 112.

  Notches 122 and 124 are formed by notching the flanges 120a and 120b from the front end side at the boundary between the portion having the inverse shape and the portion not having the inverse shape. As shown in FIG. 6B, the notches 122 and 124 are not completely cut out of the flanges 120a and 120b. In this embodiment, the flanges 120a and 120b are substantially halved (the projecting length is halved). As a notch). Thereby, since the part which makes an inverse shape and the part which does not make are isolate | separated in the notches 122 and 124, an inverse shape can be shape | molded easily, without producing an unreasonable deformation | transformation in those boundaries. Further, the inverse shape can be formed without losing the strength and rigidity for receiving the reaction force of the torsion bar spring 112, which means that the flanges 120a and 120b are connected because not all are cut out.

  As shown in FIG. 6A, in the present embodiment, the notch 124 is formed at the boundary between the linear portion of the lower edge of the hooking surface 118 and the portion inclined downward toward the vehicle rear side. That is, the notch 124 is a portion where the flange 120b is bent along the edge of the hooking surface 118, that is, a portion which requires bending when the flange 120b is formed by press molding (a portion where the shape of the base of the flange 120b is changed). Is provided. Thereby, the notch 124 functions as a relief.

  “Relief” refers to a shape that is created to prevent the material from being attached to the bending when the inverse shape is made and cracking, or the bending of the material to cause thin molding due to the bending. In the portion where the relief is provided, the inverse shape can be easily formed without causing damage such as wrinkles or unexpected cracks, or unreasonable deformation. Since the notch 122 is also located in the vicinity of the semicircular portion of the edge of the bowl-shaped recess 118a, it functions as a relief when an inverse shape is applied to the flange 120a extending from the edge of the bowl-shaped recess 118a.

  Even if the entire range of the flanges 120a and 120b is an inverse shape, the portion where the flanges 120a and 120b are bent along the edge of the hooking surface 118 (the bases of the flanges 120a and 120b are changed in shape). A similar effect (effect as relief) can be obtained by providing a notch in the portion).

  As mentioned above, although preferred embodiment of this invention was described referring an accompanying drawing, it cannot be overemphasized that this invention is not limited to this example. It will be apparent to those skilled in the art that various changes and modifications can be made within the scope of the claims, and these are naturally within the technical scope of the present invention. Understood.

  In the above embodiment, the right side of the vehicle has been described as an example, but the same description applies to the left side of the vehicle. However, the vehicle right side and the vehicle left side have a symmetrical structure.

  INDUSTRIAL APPLICABILITY The present invention can be used for a vehicle rear portion structure of a vehicle including a trunk lid and a trunk lid hinge fixing bracket for fixing a hinge for opening and closing the trunk lid to the vehicle.

DESCRIPTION OF SYMBOLS 100 ... Automobile, 102 ... Trunk, 104 ... Trunk lid, 106 ... Hinge, 108 ... Bracket, 110 ... Partition panel, 112 ... Torsion bar spring, 114a, 114b ... Vertical wall surface, 114c ... Connection surface, 116a, 116b ... Fixed surface 118 ... Hook surface, 118a ... Hook-shaped recess, 120a, 120b ... Flange, 122, 124 ... Notch

Claims (3)

In the vehicle rear structure with a trunk lid,
A bracket for fixing a hinge for opening and closing the trunk lid to the vehicle body;
A torsion bar spring that keeps the trunk lid flipped up when the trunk lid is opened;
The bracket is
A hooking surface extending in the vertical direction and having one end of the torsion bar spring hooked on the edge;
A flange formed along an edge of the hooking surface;
The flange has an inverse shape in which a tip is warped at least in a portion that can contact the torsion bar spring ,
The flange has one or more notches cut out from the front end side of the flange,
The cut-out of the flange, the vehicle rear structure characterized that you have provided at the boundary between the inverse shapes going on portion and a portion not become inverse shape.   The vehicle rear portion structure according to claim 2, wherein the notch is further provided in a portion where the flange is bent along an edge of the hooking surface. In the hinge fixing bracket for trunk lid that fixes the hinge that opens and closes the trunk lid to the vehicle body,
A hooking surface on which one end of a torsion bar spring that holds the trunk lid in a state of being flipped up when the trunk lid is opened is hooked to the edge;
A flange formed along an edge of the hooking surface;
The flange has an inverse shape in which a tip is warped at least in a portion that can contact the torsion bar spring ,
The flange, the boundary between the portion not become part and inverse shape that is the inverse shape, hinge trunk lid, characterized that you have cutouts formed by cutting the flange from the tip side is formed Fixed bracket.

Images