JP2006193060A - Door mount structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve ease of ingress/egress by enlarging a door opening, as well as visibility by enlarging a sash opening. <P>SOLUTION: In this door mount structure where a door lower hinge 31 and a door upper hinge 21 are disposed at a front end of a front door 10, a body mount section of the door lower hinge 31 is set behind a hinge center C and a body mount section of the door upper hinge 21 is set in front of the hinge center C. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a vehicle door mounting structure.

Conventionally, there is a vehicle door mounting structure in which a body mounting portion of a door hinge is set behind a hinge center (see, for example, Patent Document 1).
Japanese Utility Model Publication No. 55-166877

  By the way, the front door of a vehicle is normally supported by a door upper hinge and a door lower hinge that are arranged above and below the front end of the vehicle so as to be opened and closed. Such a hinge center of the front door greatly opens the door opening of the body. It is preferable that it is located closer to the front side. On the other hand, at the lower part of the door opening of the body, because of the manufacturing convenience, it is necessary to separate the lower hinge attachment part and the wheel house in front thereof by a predetermined amount, the body attachment part of the door lower hinge must be located closer to the rear. Is preferred. That is, it can be said that the above-described conventional configuration is suitable for the door lower hinge side.

On the other hand, in order to ensure the pitch between the two hinges, the door upper hinge is arranged closer to the upper side, specifically, closer to the base of the sash portion of the front door. When the configuration is applied, the front end of the door glass may be retracted to reduce the sash opening. Therefore, there is a demand for such an improvement.
Therefore, the present invention provides a door mounting structure that can greatly improve the ease of getting on and off by greatly opening the door opening, and can improve the visibility by expanding the sash opening.

  As a means for solving the above-mentioned problems, the invention described in claim 1 includes a door lower hinge (for example, the door lower hinge 31 of the embodiment) and a door upper hinge (for example, the door of the embodiment) at the front end portion of the front door (for example, the front door 10 of the embodiment). In the door mounting structure in which the upper hinge 21) is arranged, the body mounting portion (for example, the body mounting portion 33 of the embodiment) of the door lower hinge is set behind the hinge center (for example, the hinge center C of the embodiment), and the door upper hinge The body attaching portion (for example, the body attaching portion 23 of the embodiment) is set in front of the hinge center.

According to this configuration, in the periphery of the door lower hinge, the lower hinge attachment portion in the body is disposed rearward and sufficiently separated from the wheel house, but the hinge center is positioned forward and the door opening can be greatly opened. It becomes.
On the other hand, at the periphery of the door upper hinge, the door upper hinge is disposed near the base of the sash portion of the front door to ensure a sufficient pitch between the two hinges, while avoiding the body attachment portion of the door upper hinge. There is no need to provide a relief in the vicinity of the base. In other words, by ensuring a sufficient cross-sectional dimension in the vicinity of the base portion of the sash portion, it is possible to advance the door glass front end portion to enlarge the sash opening and improve the visibility.

According to the first aspect of the present invention, the door opening can be greatly opened to improve boarding / exiting performance, and the sash opening can be enlarged to improve visibility.
In addition, by ensuring a sufficient pitch between both hinges, it is possible to improve door support rigidity while suppressing an increase in parts (an increase in weight).
Furthermore, by arranging the lower hinge attachment portion in the body closer to the rear, the amount of lap between the body and the front door can be increased, and the side collision performance can be improved.

  Embodiments of the present invention will be described below with reference to the drawings. Note that the directions such as front, rear, left and right in the following description are the same as those in the vehicle unless otherwise specified. In the figure, the arrow FR indicates the front of the vehicle, the arrow LH indicates the left side of the vehicle, and the arrow UP indicates the upper side of the vehicle.

  FIG. 1 is a side view of a vehicle 1 provided with an engine room 4 in front of a passenger compartment 3. As shown in FIG. A door opening 5 that is opened and closed by the front door 10 is formed, and a wheel house 6 for left and right front wheels is formed on both sides of the engine room 4 and in front of the lower portion of the door opening 5.

  As shown in FIG. 2, in the vicinity of the front end of the door opening 5 in the body 2, there are an upper hinge mounting portion 7 for the door upper hinge 21 that supports the front end portion of the front door 10 and a lower hinge mounting portion 8 for the door lower hinge 31. Provided at the top and bottom. The hinges 21 and 31 and the hinge mounting portions 7 and 8 are covered with the front door 10 and the front fender 9 so as not to be exposed to the outside of the vehicle body (see FIGS. 4 and 5). Moreover, the code | symbol 3a in a figure shows an instrument panel.

  Referring to FIG. 3 together, the hinges 21 and 31 share a hinge center C (hinge axis) extending substantially vertically, and the front end of the front door 10 is connected via the hinges 21 and 31. The part is attached to the body 2 so as to be rotatable (openable / closable) about the hinge center C.

  The front door 10 includes a door main body 11 and a sash portion 13 constituting a window frame above the waist portion 12 of the door main body 11. Such a front door 10 has a monaca structure including a door skin panel 14 on the outside of the vehicle and a door inner panel 15 on the inside of the vehicle (see FIGS. 4 and 5). Hereinafter, a closed space sandwiched between both panels 14 and 15 will be described as a door internal space K.

  A fixed glass 17-1 is disposed in front of the waist portion 12 and the sash portion 13, and a door glass 17-2 for opening and closing the sash opening 16 formed by these is held behind the fixed glass 17-1. The door glass 17-2 can be moved up and down by a sash rail 18 connected to the lower end of the sash portion 13 and a lifting device (not shown). Since the fixed glass 17-1 can be disposed sufficiently forward, the visibility is improved.

  The hinge center C is provided so as to be inclined so that its upper side is positioned forward. This is because when the front door 10 is opened, the upper portion of the door opening 5 is greatly opened to improve the boarding / exiting performance of the vehicle 1.

  4 and 5, the door upper hinge 21 and the door lower hinge 31 have base portions 22 and 32 attached to the body 2 and swing portions 24 and 34 attached to the front door 10, respectively. These are connected via a shaft so as to be relatively rotatable.

  In the door upper hinge 21, the door attachment portion 25 in the swing portion 24 is fastened to the door-side upper hinge attachment portion 7 d in the front door 10 with a bolt, and the body attachment portion 23 in the base portion 22 is attached to the upper hinge in the body 2. Each part 7 is fastened with a bolt.

  On the other hand, the door lower hinge 31 has a door attachment portion 35 in the swing portion 34 fastened with a bolt to a door side lower hinge attachment portion 8d in the front door 10, and a body attachment portion 33 in the base portion 32 is attached to the lower hinge in the body 2. Fastened to part 8 with bolts.

  The door attachment portions 25 and 35 of the hinges 21 and 31 are fastened in contact with the front door 10 in a plane substantially along the front and rear surfaces of the vehicle body, while the body attachment portions 23 and 33 are generally planes along the side surface of the vehicle body. In FIG. This is because the installation of the front door 10 with respect to the body 2 in each direction can be adjusted.

  Here, it is preferable that the hinge center C is located as far as possible in front of the door opening 5 so that the door opening 5 is largely opened. However, in the vicinity of the lower portion of the door opening 5 in the body 2, the lower hinge attaching portion 8 and It is necessary to separate the front wheel house 6 by a predetermined amount.

  That is, in order to position the hinge center C closer to the front and the lower hinge attaching portion 8 to the rear, the door lower hinge 31 is provided with the body attaching portion 33 behind the hinge center C. In the door lower hinge 31, the door attachment portion 35 is also provided behind the hinge center C.

  Further, the door lower hinge 31 is disposed so as to be spaced apart from the wheel house 6 toward the upper side from the lower end of the door opening 5 so as to efficiently separate the lower hinge mounting portion 8 from the wheel house 6 having a semicircular shape in side view. ing.

  Furthermore, the door upper hinge 21 is disposed closer to the front and closer to the base of the sash portion 13 in a side view.

  Here, in the periphery of the door lower hinge 31 of the front door 10 (door inner panel 15), the escape portion 19 protruding toward the door internal space K side is provided to avoid interference with the body attachment portion 33 located behind the hinge center C. Is formed.

  Here, in the door upper hinge 21, the door mounting portion 25 is provided at the rear of the hinge center C, while the body mounting portion 23 is provided at the hinge center C in order to sufficiently secure the door inner space K in the vicinity of the base portion of the sash portion 13. It is provided in front of.

  That is, in the vicinity of the base portion of the sash portion 13, the body attachment portion 23 is disposed in front of the hinge center C, so that it is not necessary to provide a relief portion in the front door 10, and thus the cross-sectional dimension in the vicinity of the base portion of the sash portion 13. (Door interior space K) is sufficiently secured.

  Thereby, the front end part of the fixed glass 17-1 can be brought close to the door side upper hinge attaching part 7d of the front end part of the front door 10, and the visibility can be improved.

  Further, the front end portion of the door opening 5 in the body 2 is arranged so that the upper side is positioned forward of the lower side. Thereby, the fixed glass 17-1 can be arrange | positioned ahead as much as possible, visibility improves, and the door opening 5 is also expanded and the boarding / alighting property of the vehicle 1 is improved.

  On the other hand, the lower hinge attachment portion 8 is disposed rearward at the periphery of the door lower hinge 31 of the body 2 (lower portion of the door opening 5), so that the lap amount L1 between the front door 10 and the body 2 at the upper portion of the door opening 5 is achieved. On the other hand, a large lap amount L2 between the front door 10 and the body 2 at the lower portion of the door opening 5 is secured, so that the entrance of the front door 10 into the vehicle compartment 3 at the time of a side collision is reduced.

  As described above, the door mounting structure in the above embodiment has the door lower hinge 31 and the door upper hinge 21 arranged at the front end portion of the front door 10, and the body mounting portion 33 of the door lower hinge 31 is located behind the hinge center C. The body attachment portion 23 of the door upper hinge 21 is set in front of the hinge center C.

According to this configuration, at the periphery of the door lower hinge 31, the lower hinge attachment portion 8 in the body 2 is disposed rearward and sufficiently separated from the wheel house 6, but the hinge center C is positioned forward and the door opening 5 is formed. It is possible to greatly open.
On the other hand, at the periphery of the door upper hinge 21, the door upper hinge 21 is disposed near the base of the sash portion 13 in the front door 10 to ensure a sufficient pitch between the hinges 21, 31, while the body of the door upper hinge 21 is disposed. There is no need to provide a relief portion in the vicinity of the base portion of the sash portion 13 in order to avoid the attachment portion 23. In other words, it is possible to expand the sash opening 16 by advancing the front end portion of the fixed glass 17-1 by ensuring a sufficient cross-sectional dimension in the vicinity of the base portion of the sash portion 13.

That is, the door opening 5 can be greatly opened to improve boarding / exiting performance, and the sash opening 16 can be enlarged to improve visibility.
Further, by securing a sufficient pitch between the hinges 21 and 31, it is possible to improve door support rigidity while suppressing an increase in parts (an increase in weight).
Furthermore, by arranging the lower hinge attachment portion 8 in the body 2 closer to the rear, the amount of lap between the body 2 and the front door 10 can be increased, and the side collision performance can be improved.

  In addition, the structure in the said Example is an example of this invention, and it cannot be overemphasized that a various change is possible in the range which does not deviate from the summary of this invention.

It is a side view of the vehicle in the Example of this invention. It is a side view which shows the principal part of the said vehicle. It is a side view which shows the principal part of the front door of the said vehicle. It is AA sectional drawing of FIG. It is BB sectional drawing of FIG.

Explanation of symbols

10 Front door 21 Door upper hinge 31 Door lower hinge 23, 33 Body mounting part C Hinge center

Claims (1)

In the door mounting structure in which the door lower hinge and the door upper hinge are arranged at the front end of the front door, the body mounting portion of the door lower hinge is set to the rear of the hinge center, and the body mounting portion of the door upper hinge is set to the front of the hinge center. Characteristic door mounting structure.

Images