JPS59202932A - Door device for automobile - Google Patents

Abstract

PURPOSE:To open the rear door of an automobile by pushing it up on the roof while swinging it above the vehicular body by a method in which a pair of movable parts are fitted into a guide rail provided on the upside of the roof. CONSTITUTION:The front door 12 is designed to be freely opened or closed in a front opening manner, as in the conventional cases, by hinge mechanisms 14. The rear door 18 is released from a locker mechanism 29, swung at the pivotal joint as the center between a stay part 26 and a bracket 27 with the aid of the elasticity of a torsion bar 28, and pushed up on the roof by easily turning the upper movable part 23 under the guidance of a guide rail 25. When both the doors 12 and 18 are opened fully, the opening 2 is greatly opened, the carrying of interiors of large sizes into the vehicular compartment when assembling the vehicular body is made easier, and the assembling operability is improved.

Description

[Detailed Description of the Invention] (Industrial Application Field) This invention relates to an automobile door device, and in particular, the center pillar is removed and one opening for the front and rear doors is formed on the side of the vehicle body. This relates to an automobile door device.

(Prior Art) Recently, door openings formed on the sides of automobile bodies have been designed to have one opening for the front door and one for the rear door, that is, by removing the center pillar, roof rails, By front pillar, rear pillar and side sill,
A door device in which one opening for a front door and a rear door is formed on the side of a vehicle body has been proposed, for example, in Japanese Utility Model Application Publication No. 57-45419.

Forming openings for the front and rear doors on the sides of the car body in this way makes it easier to bring in large interior equipment such as seats when the car body is assembled, and also makes it easier to carry in large interior equipment such as seats. It has the advantage of improving workability and making it easy for passengers to get on and off the vehicle.

By the way, as described in the above-mentioned publication, in the case of such an automobile door device, the front door has a hinge structure in which the front part is hinged to the front pillar and can be opened and closed freely, and the rear door has a hinge structure. Since the center pillar has been removed, a sliding structure has been adopted that allows it to be opened and closed by sliding backwards.

However, with this conventional configuration, there are disadvantages in that the rear door, which has a sliding structure in particular, is complicated, and it is not only difficult to assemble, but also difficult to adjust, resulting in high costs. Due to the structure of this rear door, even when fully opened, the front part wraps around a portion of the opening, reducing the opening area by the portion corresponding to this wrap, making it difficult for passengers to get in and out of the rear seats. This gave rise to the problem of

(Object of the Invention) This invention was made to improve the above-mentioned drawbacks of conventional door devices, and its purpose is to provide one opening for the front and rear doors on the side of the vehicle body. To provide a door device for a motor vehicle which can be freely opened and closed by swinging a rear door upwardly of a vehicle body and pushing it up onto the roof while maintaining the function of forming a door.

(Structure of the Invention) To achieve the above object, the present invention provides an automobile in which one opening for the front and rear doors is formed on the side of the vehicle body by a roof rail, a front pillar, a rear pillar, and a side sill. For the front door, the front side is connected to the front pillar by a hinge mechanism so that it can be opened and closed freely, and for the rear door, a set of movable members pivoted back and forth on the upper side are installed on the top surface of the roof and can be moved from side to side. In addition to being fitted into a set of guide rails extending in the direction, a set of stem members pivotally connected to the front and rear sides are hinged to the upper part of the opening, swinging upward and pushing up to the roof. In addition, a locking mechanism consisting of a striker and its locking portion is installed on the top and bottom of the rear side of the front door, the bottom of the rear door, and the corresponding roof rail and side sill. .

(Embodiments) Hereinafter, embodiments of the door device according to the present invention will be described in detail with reference to the drawings.

FIGS. 1 and 2 show a schematic side view and a plan view of a main part of an automobile to which an embodiment of this device is applied, and FIGS. 3 to 5 show perspective views of different examples above the rear door. FIG. 6 is an explanatory view of the operation of the rear door, and FIGS. 7 to 9 are partially enlarged cross-sectional views of various parts of the rear door.

In each of these figures, the reference numeral 1 denotes a car body 5, and 2 denotes one opening for the front and rear doors formed on the side of the vehicle body 1, and the periphery of the opening 2 is as follows: Upper roof rail 3. Front front pillar 4. It is formed so as to be surrounded by a rear pillar 5 and a lower side sill 6. Further, as shown in FIGS. 3 to 5, the roof rail 3 has an outer panel 3.
A and an inner panel 3b form a closed cross-sectional shape,
In Fig. 3, the roof panel 7 is connected to the outer panel 3a, and in Fig. 4, one end side of both springs Ay3a, 3b and one end side of the roof panel 7 are integrally spot welded at the groove 8 portion. , a molding 9 is embedded in this groove 8, and in FIG. 5, a recess l○ for installing a guide rail, which will be described later, is formed in the left-right direction spanning the outer panel 3a and the roof panel 7, and a recess l○ is formed in the left-right direction spanning the outer panel 3a and the roof panel 7. It suggests an embodiment of. Furthermore, the side sill 6 is also formed into a closed cross-sectional shape by an outer panel 6a and an inner panel 6b, and has a reinforcement 116 as a reinforcing member.
− is attached. Similarly, although not shown,
Regarding the front pillar 4 and rear pillar 5,
A closed cross-sectional shape is provided by an outer panel and an inner panel.

A front door 12 having a window opening 13 formed in the upper part is provided in the front half of the opening 2, and the front side of the door 12 is connected to the front pillar 4 by a hinge mechanism 14.1.
4, and the locking mechanism 15.15 includes a striker of a known structure and its locking member, and is attached to the upper and lower portions of the rear side and the corresponding roof rails 3 and side sills 6. A window glass 16 is provided in the window opening 13 so as to be movable up and down, and a sealing member 17 extending vertically is fixed to the rear end of the door.

Further, in the rear half of the opening 2 and at the rear of the front door 7, there is provided a rear door 18 which similarly has a window opening 19 formed therein.This rear door 18 is basically an outer panel. 18a and the inner panel 18b form a closed cross-sectional shape, and the window opening 19 has a
A window glass 20 is provided to be movable up and down, and seal members 21 are extended and fixed to each end of the door.

In the upper front and rear portions of the rear door 18,
A set of moving members 23 . each via a bracket 22 .
23 is pivotally connected. Each of the movable members 23 has a guide roller 24 that can be moved to the front, rear, left and right positions, and a pair of guide rails 25 that are fixed to the upper surface of the roof panel 7 and extend in the left and right direction. .25 so that it can be slid in the left and right direction.

Separately, one end of a pair of stem members 26.26 is pivotally attached to the curved portion and the intermediate portion of the rear side of the rear door 18, and the other end of each stem member 26.26 are pivotally connected to brackets 27 and 27 respectively fixed to the inner corresponding parts of the roof rail 3, and on the rear side, connect a torsion bar 28 whose end extends rearward and is housed on the vehicle body side. This is done so that the rear door 18 always has upward rotational elasticity.

Furthermore, a locking mechanism 29 is provided at the lower intermediate portion of the rear door 18 and the corresponding portion of the side sill 6, as is known in the art, and can be unlocked using an outer door handle or an inside door handle. This locking mechanism 29 fixes a striker 30 fixed to a base plate 31 to the side sill 6 side, and is locked to a lock 1g material 32 that engages this striker 30 and this lock member 32 using a spring 34, In addition, a base plate 35 is attached to the door 18 side, to which a claw member 33 that can be unlocked by operating a handle is attached, and the door is automatically locked when the door is closed. This is a normal release operation.

Therefore, in the case of the configuration of the above embodiment, the front door 12 can be opened and closed forward by the hinge mechanism 14.14 at the same time as before, and the rear door 18 can be opened and closed by the torsion bar after releasing the locking mechanism 29. Under the elasticity of 28, the upper movable member 23 is easily guided by the guide rail 25 by swinging upward centering on the old part of the bracket 27 and the middle part 6 of the stay part. It is pivoted upwards and can be actuated to push it further up onto the roof 7 and held in that position, and can be closed by the opposite operation.

When both the front and rear doors 12 and 18 are fully opened, the opening 2 is wide open, making it easy to bring in large interior equipment during vehicle body assembly, and the assembly process is easy. In addition, unlike rear doors that slide back and forth, there is no part of the door that overlaps with the opening when it is fully opened, making it easier for passengers to get in and out of the vehicle, and also making it easier for passengers to get in and out of large items. It is also possible to carry it inside the vehicle.

Furthermore, the support structure of the rear door 18 is constructed by pivoting a stem member to the upper inner side of the opening and fitting a movable member into a guide rail on the roof panel. Compared to a slide structure, it is simpler to construct, easier to adjust, and lower in cost. Furthermore, by providing the torsion bar 28, the rear door 18 can swing and rotate more easily and easily, and the groove 8 shown in FIG.
By embedding the molding 9 inside, the joint between the roof rail 3 and the roof panel 7 can be hidden from the outside, resulting in a good finish. Furthermore, by forming the recess 1O shown in FIG. The guide rail 25 can be installed inconspicuously, and the front door can be opened and closed by a hinge structure on the front side with respect to one opening for the front and rear doors formed on the side of the vehicle body. Since the rear door can be opened and closed by swinging upwards on the vehicle and pushing it up onto the roof, there is no risk of damaging the function of the opening, and it is easy to carry in and assemble large equipment during assembly. In addition, it is possible to improve the ease of getting in and out of passengers, and to allow large items to be brought in.The rear door is pivoted to the vehicle body using a stem member, and the movable member is inserted into the guide rail on the roof panel.・Since the opening/closing is supported by upward rotation, the structure is simpler than the conventional slide structure, and together with the ease of assembly and adjustment, it reduces costs. It has features such as being able to

[Brief explanation of the drawing]

1 and 2 are schematic side views and plan views of essential parts of an automobile to which an embodiment of the door device according to the present invention is applied, and FIGS. 3 to 5 are individual details of the upper part of the rear door. FIG. 6 is a perspective view showing the structure, FIG. 6 is an explanatory diagram of the opening/closing operation of the rear door, and FIGS. 7 to 9 are partially enlarged sectional views of various parts of the rear door. ■...Vehicle body, 2...Opening, 3...Roof rail, 4...Front pillar, 5...Rear pillar, 6...
... Side sill, 7... Roof panel, 12... Front door, 14... Hinge mechanism, 15... Lock mechanism, 18... Rear door, 23... Moving member, 25...
- Guide rail, 26... Stem member, 28... Torsion bar, 29... Lock device 8.30 =... Striker, 32... Lock member. Patent applicant Toyo Kogyo Co., Ltd. Agent Patent attorney Takashi Suzuko - 13-20 Figure 8 Figure 9

Claims (2)

[Claims] (1) In an automobile in which one opening for the @ part and the rear door is formed on the side of the vehicle body by the roof rail, the front pillar, the rear pillar, and the side sill, the front side of the front door is hinged to the front pillar. The rear door is connected by a mechanism so that it can be opened and closed, and either a lock member or a striker is attached to the lower part of the rear door, and the other is housed in the corresponding side sill, so that the two can be freely engaged and detached. A movable member is attached to the upper part of the rear door, and this movable member is fitted into a guide rail provided on the upper surface of the roof and extending in the left-right direction, and the rear door and the vehicle body at the opening are connected to each other. 1. A door device for an automobile, characterized in that the rear door is pivotally connected by a stem member, and the rear door rotates upward when the door is opened and slides toward the inside of the vehicle body. (2) The door device for a motor vehicle according to claim 1, wherein the stem member is provided with a torsion bar at a pivot point on the vehicle body side.