JP4100045B2 - Edge structure of automobile door - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a structure of an edge portion of an automobile door that satisfies the provisions of safety laws and regulations that regulate an outward projecting portion (hereinafter simply referred to as an outer projecting portion) of the surface of an automobile body and has a good appearance.
[0002]
[Prior art]
In Europe, when a sphere Q having a diameter of 100 mm is applied to the surface S of the automobile body as a safety regulation that regulates the shape of the protrusion on the surface of the automobile body, a radius of 2. There is a provision that roundness of 5mm or more must be provided. For example, when the ball Q is applied as shown in FIG. 8, there is no problem because the contact portion P2 is a flat surface (or a large curved surface), but since the contact portion P1 is an outer protrusion portion, the radius is 2.5 mm or more. Must be provided. In addition, there is an exception of the gap requirement in this regulation. According to this, as shown in FIG. 9, in the slit-like gap such as between the doors, the contact portion when the gap width G is 25 mm or less. The restriction that the radius is 2.5 mm or more is not applied to the roundness of P3.
[0003]
As shown in FIG. 6, the automobile is provided with a lift gate door 11 and a tail gate door 15 that open upward and downward on the rear surface of the vehicle body 10, respectively. Some have a large recess 16 extending to the edge. In this vehicle, when both doors 11 and 15 are closed, both sides of the lower part of the lift gate door 11 are connected to the tail gate door 15, but the central part of the lower edge 11 a of the lift gate door 11 is recessed. From 16
[0004]
As shown in FIG. 7 which is a 7-7 sectional view of FIG. 6, the lift gate door 11 has a hollow structure composed of an outer panel 12 and an inner panel 13, and both the panels 12 and 13 are arranged on the outer periphery of the lift gate door 11. The edge 11a is joined by hemming, and the radius of the roundness of the cross section of the tip of the edge 11a is about 1.1 mm. When the ball Q defined by the law is put in the recess 16 of the tailgate door 15 and hits the surface S of the body, the ball Q comes into contact with the edge 11a having a radius of roundness of about 1.1 mm as it is. Does not comply with regulations. Therefore, conventionally, the lower edge 11a of the lift gate door 11 is covered with a synthetic resin outer protector 1 having a J (or U) -shaped cross section from the front side to the back side in a range corresponding to the lateral width of the recess 16. The radius of the roundness of the outer surface of the cross section of the outer protector 1 is set to 2.5 mm or more so as to satisfy the safety regulations. A mark member 2 for displaying the name of the manufacturer or the name of the car is attached to the upper side of the collision protector 1.
[0005]
[Problems to be solved by the invention]
The structure of the edge portion of the lift gate door 11 according to the prior art as described above is such that the outer edge protector 1 made of a synthetic resin having a J-shaped cross section is placed on the lower edge 11 a of the lift gate door 11. The parting line at the lower edge of the gate door 11 is interrupted in the middle, and the parting line does not pass and the appearance is deteriorated (see FIG. 6), and restrictions are imposed on the attachment of the mark member and mall provided near the lower edge of the lift gate door 11 There is a problem. Further, since the protector 1 made of synthetic resin is attached to the front side of the lift gate door 11 by adhesion, the protector 1 is made of a relatively soft synthetic resin because of the sticking out of the adhesive. Therefore, there are problems such as the appearance of the protector 1 causing a ripple, and the appearance of the protector 1 being deteriorated. If the protector 1 is removed due to a specification error or the like, the paint on the lift gate door 11 is damaged, and repainting is required. This problem is not limited to the lower edge 11a of the lift gate door 11, but may occur at other doors or other edges.
[0006]
The present invention aims to solve each of these problems by improving the structure of the protector.
[0007]
[Means for Solving the Problems]
According to the structure of the edge part of the automobile door according to the present invention, a plate-like protector is attached along the back side of the edge of the automobile door, and the radius of the front edge of the protector is opposite to the edge of the automobile door. There is formed a round portion is 2.5 mm or more, on the front side of the protector and the corresponding portion of the automotive door, attaching the mark members forming the rounding radius is 2.5 mm or more corners, automotive The intersecting line of the edge of the door, the leading edge of the protector, the side edge surface extending in the longitudinal direction of the mark member, and the bottom surface is on the same plane, and the same plane is substantially horizontal to the ground in the vehicle height direction. and it is characterized in that.
[0009]
The structure of the edge part of the automobile door described in the preceding paragraph is that the automobile door has a hollow structure in which an outer panel and an inner panel are joined together at the edge by hemming, and the protector has a main plate part along the back side of the edge of the automobile door. It is preferable to have an L-shaped cross-sectional shape composed of a mounting plate portion attached to the inner panel.
[0010]
In the structure of the edge part of the automobile door described in the preceding two paragraphs, a plurality of projecting parts that elastically contact the back side of the edge of the automobile door are formed at the front end edge of the protector at intervals in the longitudinal direction. Is preferred.
[0011]
Operation and effect of the invention
As described above, according to the present invention, a plate-like protector is attached along the rear side of the edge of the automobile door, and the radius of the tip edge of the protector is opposite to the edge of the automobile door. forming a rounded section is .5 mm or more, on the front side of the protector and the corresponding portion of the automotive door, since attaching the mark members forming the rounding radius is 2.5 mm or more corners, automotive sphere stipulated in safety regulations approaching from the rear side of the door edge, come into contact with the distal end portion of the protector rounded portion radius is 2.5 mm or more is formed, also closer to the edge from the front side of the door for a motor vehicle The sphere defined by the safety regulations also meets the regulations of the safety regulations because the roundness with a radius of 2.5 mm or more abuts on the mark member formed at the corner. Moreover, the protector is mounted on the back side of the edge of the automobile door, and the intersecting line between the edge of the automobile door, the leading edge of the protector, the side edge surface extending in the longitudinal direction of the mark member, and the bottom surface is substantially on the same plane. Since the same surface is substantially horizontal to the ground in the height direction of the vehicle, the parting line of the edge of the automobile door will look good along the entire length, and the appearance may be reduced due to the wave of the protector.・ There is no rework due to the adhesive sticking out on the front side of the automobile door, there is no restriction on the mounting of the mark member or molding provided near the edge of the automobile door, and the protector can be replaced due to a specification error. Can be done without damaging the appearance.
[0013]
The automobile door has a hollow structure in which the outer panel and the inner panel are joined by hemming at the edge, and the protector has an L-shaped cross-section consisting of a main plate portion along the back side of the edge of the automobile door and a mounting plate portion attached to the inner panel. According to the above, positioning and attachment of the protector to the automobile door can be easily and reliably performed with a clip or a bolt.
[0014]
According to the front edge of the protector, which is formed with a plurality of protrusions elastically contacting the back side of the edge of the door of the automobile, spaced in the longitudinal direction, between the edge of the door of the automobile and the front edge of the protector Therefore, the appearance when the automobile door is opened is improved, and the response when the protector is held for opening and closing the automobile door can be improved.
[0015]
DETAILED DESCRIPTION OF THE INVENTION
Below, the structure of the edge part of the door for motor vehicles by this invention is demonstrated by embodiment shown in FIGS. In this embodiment, the present invention is applied to a lift gate door (automobile door) 11 that is provided on the rear surface of a vehicle body 10 and opens upward as in the prior art shown in FIGS. . The tail gate door 15 provided below the lift gate door 11 and opened downward is formed with a large recess 16 in the central portion where the license plate 17 is provided.
[0016]
FIG. 1 is a cross-sectional view corresponding to FIG. 7 of the prior art described above, and the lift gate door 11 and the tail gate door 15 themselves are exactly the same as FIG. The outer edge of the outer panel 12 of the lift gate door 11 is bent inward, and the outer edge of the inner panel 13 is overlapped inside the outer edge of the outer panel 12 in the middle of the bending, and the outer edge of the outer panel 12 is further bent inward. Both panels 12 and 13 are joined together by a hemming process for caulking the outer edge. The inner panel 13 has a hollow structure which is separated from the outer panel 12 at a position slightly inside the outer edge and rises at a right angle, and is bent in a direction substantially parallel to the outer panel 12 when the rising portion 13a extends to some extent. A body sealer 14 for rust prevention is applied along the tip of the outer edge of the outer panel 12 bent by hemming.
[0017]
Next, the protector 20 that forms the main part of the present invention will be described. As shown in FIGS. 1 to 5, the protector 20 according to this embodiment is an integral molding made of a synthetic resin having a substantially L-shaped cross section, which is composed of an elongated main plate portion 21 and a mounting plate portion 25 connected to one side thereof. It is a product. The front edge 21a of the main plate portion 21 is slightly bent on the side opposite to the mounting plate portion 25, and the outer side of the bent portion on the mounting plate portion 25 side is a radius of roundness defined by the safety regulations described above. A rounded portion 22 having a radius larger than 0.5 mm is formed. In addition, a long protrusion 23 and a short protrusion 24 are formed at both ends and four intermediate portions of the bent tip edge 21a, respectively. A part of the rounded portion 22 of the long protrusion 23 is shown in FIG. As shown in FIG. 5, a chamfer 23a is provided. The mounting plate portion 25 has two notches 26a for avoiding interference with the bracket 33 (see FIG. 3) of the lamp 32 and one notch for avoiding interference with the lock handle of the lift gate door 11. A notch 26b is formed. The mounting plate portion 25 is formed with four square holes 27 for inserting the clip 31 for mounting, and two round holes 28 for inserting bolts. The rising portion 13a of the inner panel 13 has four mounting holes 13b (see FIGS. 1 and 5) corresponding to the respective square holes 27 and two mounting holes 13c (see FIG. 4) corresponding to the respective round holes 28. Is formed.
[0018]
As shown in FIGS. 1 and 5, the protector 20 lifts by pushing the tip of each clip 31 inserted in advance into the square hole 27 against each mounting hole 13 b formed in the rising portion 13 a of the inner panel 13. It is attached to the gate door 11. Further, in this state, as shown in FIG. 4, both ends of the bracket 34 of the lock handle are applied to the mounting holes 13c formed in the rising portion 13a, and the bolts 35 inserted from the mounting plate 25 side are screwed into the nuts 36. The mounting plate portion 25 and the handle bracket 34 are fastened together with the rising portion 13a.
[0019]
In this mounting state in which the mounting plate portion 25 of the protector 20 is fixed to the rising portion 13a of the inner panel 13, the main plate portion 21 of the protector 20 is joined and bonded to each other by hemming with the body sealer 14 interposed therebetween. Extending along the outer edges of the panels 12 and 13, the bent leading edge 21a of the main plate portion 21 substantially coincides with the lower edge 11a of the lift gate door 11, and each protrusion protruding from the leading edge 21a. The parts 23 and 24 are elastically brought into contact with the back side of the edge 11a. Thereby, the rounded portion 22 formed at the tip of the main plate portion 21 is positioned on the opposite side to the edge 11a of the lift gate door 11 with the protruding portions 23 and 24 interposed therebetween. As shown in FIG. 3, a bracket 33 having a lens 33a for attaching a lamp 32 for illuminating the license plate 17 is provided at the rising portion 13a at the position of the notch 26a.
[0020]
As shown in FIG. 1, a horizontally long mark member 30 similar to the mark member 2 of FIG. 6 is attached to the lift gate door 11 on the front side of the portion corresponding to the protector 20. This mark member 30 has a roundness with a radius larger than 2.5 mm, which is the radius of roundness stipulated in the safety regulations, except where the restriction that the radius of roundness is 2.5 mm or more is not applied due to the gap requirement described above. The lower side edge surface 30a and the bottom surface attached to the lift gate door 11 are attached so that the intersecting line with the lower edge 11a of the lift gate door 11 is substantially the same. The rising start angle of the side edge surface 30a with respect to the outer surface of the lift gate door 11, which is a surface, is a large value close to a right angle. The length of the mark member 30 is approximately the length corresponding to the lateral width of the upper portion of the recess 16.
[0021]
In the above-described embodiment, a sphere Q having a diameter of 100 mm, which is stipulated in safety regulations, is placed in the recess 16 of the tailgate door 15 and applied to the surface S of the body, and the lower edge 11a from the back side of the lift gate door 11 is applied. When approached, the ball Q first comes into contact with the rounded portion 22 having a radius larger than 2.5 mm, which is the radius of roundness defined in the safety regulations of the tip edge 21a of the protector 20, as indicated by reference numeral Q1. In this state, the safety regulations are satisfied. Next, the sphere Q moves along the rounded portion 22 and comes into contact with the corner portion of the leading edge 21a of the main plate portion 21 and the edge 11a of the leading end of the lift gate door 11 as indicated by reference numeral Q2. Since the distance between the two points in contact with each other is a small value of about 3.1 mm, for example, the above-mentioned gap requirement satisfies the provisions of safety regulations. Further, the sphere Q moves and comes into contact with the edge 11a at the tip of the lift gate door 11 and the surface of the side edge surface 30a as indicated by reference numeral Q3. In this state, the distance between the two points in contact is, for example, Since it is a small value of about 7 mm, it satisfies the safety regulations stipulated by the gap requirement described above. Even when the sphere Q further moves on the mark member 30 and comes into contact with the lift gate door 11 including the mark member 30 from the front side, the corner of the mark member 30 is rounded with a radius of 2.5 mm or more. So it satisfies the safety regulations.
[0022]
According to this embodiment, the provisions of the safety regulations are satisfied as described above, and the protector 20 is attached to the back side of the edge of the lift gate door 11, so that the parting line at the edge of the lift gate door 11 is It looks good over the entire length, and there are no restrictions on attaching a mark member or molding near the edge of the lift gate door 11. In addition, since no adhesive is used, the appearance of the protector 20 which has been a problem in the past is not deteriorated, and the adhesive is not reworked on the front side of the lift gate door 11, and the protector can be replaced due to a specification error or the like. This can be done without damaging the appearance of the lift gate door 11.
[0024]
In the above-described embodiment, the lift gate door 11 has a hollow structure in which the outer panel 12 and the inner panel 13 are joined by hemming at the edge 11 a, and the protector 20 has the main plate portion 21 along the back side of the edge of the lift gate door 11. And the mounting plate portion 25 attached to the inner panel 13, and according to this, positioning and attachment of the protector 20 with respect to the lift gate door 11 can be easily and reliably performed by the clip 31 and / or the bolt 35 or the like. Can be done. In addition, since the lamp and handle attached to the rising portion 13a of the inner panel 13 can be covered by the mounting plate portion 25 of the protector 20 except for functionally necessary portions, the appearance when the lift gate door 11 is opened is improved. be able to.
[0025]
Further, the main plate portion 21 of the protector 20 is attached along the rear side of the edge portion of the lift gate door 11, but the lift gate door 11 and the protector 20 are both large and difficult to obtain accuracy. The gap between the leading edge 21a and the edge 11a of the lift gate door 11 is not uniform, so that the appearance when the lift gate door 11 is opened is lowered, and the edge of the lift gate door 11 is opened and closed. At the same time, when the main plate portion 21 of the protector 20 is grasped, the rigidity may be insufficient and may be felt unreliably. However, in the above-described embodiment, the protrusions 23 and 24 that elastically abut the back edge of the edge 11a of the lift gate door 11 are formed on the tip edge 21a of the protector 20 at intervals in the longitudinal direction. The parts 23 and 24 can all be brought into contact with the back side of the 11a reliably, thereby reducing the variation in the gap between the edge 11a of the lift gate door 11 and the tip edge 21a of the protector 20, so that the lift gate door 11 is opened. And the feeling of rigidity when holding the main plate portion 21 of the protector 20 becomes large and uniform, so that the feeling of operation is improved.
[0026]
In the above-described embodiment, the case where the present invention is applied to the lower edge 11a of the lift gate door 11 has been described. However, the present invention is not limited to this, and other automobile doors and other edges are used. Can be applied to.
[Brief description of the drawings]
FIG. 1 is a partially enlarged cross-sectional view showing a main part of an embodiment of a structure of an edge part of an automobile door according to the present invention.
FIG. 2 is an overall perspective view of the protector according to the embodiment shown in FIG.
FIG. 3 is an enlarged cross-sectional view showing a related portion around the line 3-3 in FIG. 2;
4 is an enlarged cross-sectional view showing a related portion around the line 4-4 in FIG. 2; FIG.
FIG. 5 is an enlarged cross-sectional view showing a related portion around line 5-5 in FIG. 2;
FIG. 6 is a rear view of an automobile provided with an example of a structure of an edge portion of an automobile door according to the prior art.
7 is a partially enlarged cross-sectional view taken along line 7-7 in FIG.
FIG. 8 is an explanatory view of the provisions of safety laws and regulations that regulate outward protruding portions of the surface of the body of an automobile.
FIG. 9 is an explanatory diagram of a gap requirement that is an exception to the provisions of the safety laws and regulations described above.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 11 ... Automotive door (lift gate door), 11a ... Edge, 12 ... Outer panel, 13 ... Inner panel, 20 ... Protector, 21 ... Main plate part, 21a ... Tip edge, 22 ... Earl part, 23 ... Projection part, 24 ... Projection part, 25 ... mounting plate part, 30 ... mark member, 30a ... side edge surface.

Claims (3)

Attaching a plate-shaped protector along the back edge of the door for a motor vehicle, before Symbol radius to the edge opposite to become part of the automotive door of the tip end of the protector is 2.5 mm or more rounded portions A mark member having a rounded corner having a radius of 2.5 mm or more is attached to the front side of the part corresponding to the protector of the automobile door, and the edge of the automobile door and the protector A crossing line between a front edge and a side edge surface extending in the longitudinal direction of the mark member and a bottom surface is substantially on the same plane, and the same plane is substantially horizontal to the ground in the height direction of the vehicle. The structure of the edge of an automobile door. 2. The structure of an edge part of an automobile door according to claim 1 , wherein the automobile door has a hollow structure in which an outer panel and an inner panel are joined by hemming at the edge, and the protector is on the back side of the edge of the automobile door. The structure of the edge part of the door for motor vehicles which was made into the L-shaped cross-sectional shape which consists of the main-plate part in alignment with and the attachment board part attached to the said inner panel. The structure of the edge part of the door for motor vehicles of Claim 1 or Claim 2 WHEREIN: The some protrusion part which contact | abuts the back side of the edge of the door for motor vehicles elastically is provided in the front-end edge of the said protector between longitudinal directions The structure of the edge part of the door for motor vehicles characterized by having formed in step.

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