JP2010120398A - Door structure of vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a door structure of a vehicle which can make a door opening locus compact and which can achieve cost reduction with a simple structure without requiring strict accuracy management. <P>SOLUTION: The door structure of a vehicle has a door upper part 2 and a door lower part 1, which is provided as a separate unit from the door upper part 2. The door upper part 2 is supported rotatably at its top end to a vehicle body 3. The door lower part 1 includes upper locks 21, which are provided so as to be slidable upward to the door upper part 2 to lock the door upper part 2 to the vehicle body 3, and an upper lock operation part 23 for releasing the locked state of the upper locks 21. The upper lock operation part 23 is provided at a position where it can be operated when the door lower part 1 is slid to the predetermined locking position on the door upper part 2. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a vehicle door structure, and more particularly, to a flip-up door structure that is hinged to the upper edge of a vehicle tailgate opening.

Conventionally, as a door-up type door structure, among the doors divided into two vertically, the lower part of the door can slide upward with respect to the upper part of the door, and the upper part of the door can be flipped up with respect to the vehicle body by a hinge Is known (for example, see Patent Document 1).
This door structure can be placed by sliding the lower part of the door upward and overlapping the upper part of the door. It becomes compact. In other words, the turning radius of the door is reduced. Therefore, according to this door structure, the space required when the door is opened is further reduced.
Also, in this door structure, when the lower part of the door is slid upward and placed on the upper part of the door, the cancel mechanism is released so that the locking device that locks the upper part of the door to the vehicle body can be unlocked. It has become. That is, in this door structure, the upper part of the door is not opened unless the lower part of the door is fully opened and the cancel mechanism is released.
According to such a door structure, the upper part of the door is prevented from rotating carelessly before the lower part of the door is not fully opened.

JP 2002-46472 A

However, in this door structure (see, for example, Patent Document 1), the cancel mechanism described above is an indispensable component in order to prevent the upper part of the door from rotating before the door lower part is fully opened.
Therefore, in this door structure, the configuration is complicated, and it is necessary to perform strict accuracy management in order to ensure the operational stability. As a result, this door structure has a problem that costs such as manufacturing cost and maintenance cost increase.

  SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a vehicle door structure that can reduce the cost of reducing the opening trajectory of the door, has a simple structure, does not require strict accuracy control, and can achieve cost reduction. Is to provide.

The vehicle door structure of the present invention that solves the above problems includes a door upper portion and a door lower portion that is provided separately from the door upper portion, and the upper end of the door upper portion rotates relative to the vehicle body. The lower part of the door is supported freely, and is provided to be slidable upward with respect to the upper part of the door. The upper locking means for locking the upper part of the door to the vehicle body and the locked state of the upper locking part are released. An upper lock operation part for providing the upper lock operation part at a position where the upper part of the door is operable when the lower part of the door is slid to a predetermined lock position. To do.
In this door structure, since the lower part of the door can be slid upward and placed on the upper part of the door, the opening locus of the door when the upper part of the door is flipped up is more compact than that which is not divided into two parts.
Further, in this door structure, the upper lock operation portion for opening the upper portion of the door can be operated only when the lower portion of the door is slid upward to a predetermined lock position, so the lower portion of the door is in the middle of sliding. Nevertheless, it is possible to reliably prevent the upper part of the door from being inadvertently opened.
This door structure is different from the conventional door structure (for example, see Patent Document 1) in order to prevent the upper part of the door from being inadvertently opened. Is simple and does not require strict accuracy control. Therefore, this door structure can achieve cost reduction.

Further, in such a door structure, when the lower part of the door is slid to the predetermined lock position, a lower lock means for locking the upper part of the door, and a lower lock operation for releasing the locked state of the lower lock means It is desirable that the lower lock operation portion is provided at an upper end portion of the lower portion of the door.
In this door structure, when the lower part of the door is slid upward and locked to the upper part of the door, the lower lock operation part is at a higher position than the position before the slide at the locked position. That is, the lower lock operation unit is disposed at a high position where it is difficult to operate. As a result, this door structure prevents the lower locking means from being accidentally released and the lower part of the door from being accidentally slid downward.

In such a door structure, it is desirable that the lower lock operation portion is provided at a position overlapping the upper lock operation portion when the lower portion of the door is in a state before sliding.
In this door structure, the initial position of the lower lock operation unit and the initial position of the upper lock operation unit are substantially the same position for the operator, so that the positions of these operation units can be easily grasped.

In such a door structure, it is preferable that the upper lock operation portion is provided at a terminal portion below the upper portion of the door.
This door structure can easily expose the upper lock operation part when the lower part of the door is slid upward, and can operate the upper lock operation part without forming a recess for entering the hand. It is possible to make the structure easy to do.

  ADVANTAGE OF THE INVENTION According to this invention, while providing the door opening locus | trajectory compactly, a structure is simple, it is not necessary to perform strict precision management, and the vehicle door structure which can achieve a cost reduction is provided. can do.

  Next, embodiments of the vehicle door structure of the present invention will be described in detail with reference to the drawings as appropriate. In the drawings to be referred to, FIG. 1 is a schematic view of a vehicle to which a door structure according to an embodiment of the present invention is applied, and shows a state in which a rear door is closed as viewed from the rear of the vehicle. FIG. 2 is a schematic view of a vehicle to which the door structure according to the embodiment of the present invention is applied, and shows a state in which the lower door is opened and the upper door is closed from the rear of the rear door. It is. FIG. 3 is a view showing a state in which the lower part of the door is guided by the rail at the upper part of the door, and is a cross-sectional view taken along the line III-III in FIG. 4 is a view showing a state where the lower part of the door is locked to the upper part of the door, and is a cross-sectional view taken along the line IV-IV in FIG. FIG. 5 is a perspective view showing a state when the upper portion of the door is rotated with respect to the vehicle body.

As shown in FIG. 1, the door structure S is applied to a rear door 4 that opens and closes a tailgate opening 31 formed in the vehicle body 3.
The rear door 4 includes a door upper part 2 and a door lower part 1 provided separately from the door upper part 2. Here, the door lower portion 1 and the door upper portion 2 will be described in this order.

The door lower portion 1 is a door portion that constitutes a substantially lower half of the rear door 4 divided into two parts in the vertical direction with the rear door 4 closed, and has a substantially rectangular shape in plan view.
The door lower portion 1 includes a first lower lock 11 provided at the lower end of the tailgate opening 31 that engages with a lower striker 33 (see FIG. 2) described later, and a guide rail described later provided on the door lower portion 1. 22 (see FIG. 2), and a lower lock operation portion 13 for operating these first lower lock 11 and second lower lock 12.
As will be described later, the second lower lock 12 locks the door lower portion 1 to the door upper portion 2, and corresponds to “lower lock means” in the claims.

  The 1st lower part lock 11 locks the door lower part 1 to the vehicle body 3 in a closed position by engaging with the lower striker 33 (refer FIG. 2) mentioned later. The first lower lock 11 may have a known structure, and is connected to the lower lock operation unit 13 by a known push-pull mechanism (not shown) using a rod, a wire, or the like. That is, the first lower lock 11 is configured to be unlocked by operating the lower lock operation unit 13 and pulling a push-pull mechanism (not shown). In addition, the lower lock operation part 13 in this embodiment functions also as a handle | steering_wheel at the time of slidingly moving the door lower part 1, as demonstrated below, Is provided.

When the lower lock operating portion 13 is operated to disengage the first lower lock 11 and the lower striker 33, the door lower portion 1 can slide upward with respect to the door upper portion 2 as shown in FIG. Become.
The door lower portion 1 is guided by a guide rail 22 provided later on the door upper portion 2.
More specifically, as shown in FIG. 3, the door lower portion 1 includes a slit 17 that receives the guide rail 22 provided in the door upper portion 2, and rollers that fit into grooves 22 a and 22 a formed in the guide rail 22. 18 and 18.

The slit 17 is formed so as to pierce the interior material 16 and the inner panel 15 disposed on the vehicle inner side of the door lower portion 1.
And the slit 17 is formed in the vehicle inner side of the door lower part 1 so that it may extend along the extending direction of the guide rail 22 shown in FIG. 2, ie, the up-down direction shown in FIG.

As shown in FIG. 3, the rollers 18 and 18 in the present embodiment are disposed between the outer panel 14 and the inner panel 15 that are disposed outside the door lower portion 1. These rollers 18 and 18 are rotatably provided around shafts 18a and 18a disposed on a support portion 15a formed by, for example, a cut-and-raised portion of the inner panel 15.
The door lower portion 1 is arranged so as to overlap with the outer panel 24 of the door upper portion 2 by sliding upward (downward in the direction perpendicular to the paper surface of FIG. 3), and as shown in FIG. The lower half of the opening 31 is opened.

As shown in FIG. 2, the second lower lock 12 is configured such that the door lower portion 1 slides upward with respect to the door upper portion 2, and the upper lock operation portion 23 of the door upper portion 2 is exposed below the door lower portion 1. When the lower part 1 is located, it is configured to engage with the guide rail 22.
More specifically, as shown in FIG. 4, the second lower lock 12 includes a lock main body 12a fixed to the inner panel 15 of the door lower portion 1, and a plunger 12b provided so as to protrude from the lock main body 12a. And is configured.

The second lower lock 12 is formed on the guide rail 22 of the door upper portion 2 as shown in FIG. 4 at a position where the upper lock operation portion 23 is exposed below the door lower portion 1 as shown in FIG. The plunger 12b of the second lower lock 12 is fitted into the pit 22b.
The second lower lock 12 is prohibited from slidingly moving the door lower part 1 relative to the door upper part 2 by fitting the plunger 12b into the pit 22b.
The second lower lock 12 is connected to the lower lock operation unit 13 shown in FIG. 2 by a known push-pull mechanism (not shown) using a rod, a wire, or the like. By operating and pulling a push-pull mechanism (not shown), the plunger 12b shown in FIG. 4 comes out of the pit 22b. That is, the door lower part 1 can slide with respect to the door upper part 2.

Next, the door upper part 2 will be described.
As shown in FIG. 1, the door upper part 2 is a door part that constitutes a substantially upper half of the rear door 4 divided into two parts in the vertical direction with the rear door 4 closed, and is substantially rectangular in plan view. Presents.
A window glass 27 is fitted in the center of the door upper portion 2, and a pair of guide rails 22, 22 are arranged so as to extend vertically along the outer edge of the window glass 27.

As shown in FIG. 3, the guide rail 22 is fixed to a support portion 25 a formed by cutting and raising an inner panel 25 disposed inside the door upper portion 2 with a fastener such as welding or a bolt. And the edge part of the outer panel 24 is being fixed to the base end part of the guide rail 22 fixed to the support part 25a via the garnish 28 arrange | positioned around the base end part.
As described above, the guide rail 22 has a groove 22a into which the rollers 18 and 18 of the lower door 1 are fitted. The groove 22 a is formed along the extending direction of the guide rail 22. In addition, the code | symbol 26 in FIG. 3 is an interior material arrange | positioned at the vehicle inside of the inner panel 25. FIG.

And the upper end part of the door upper part 2 is attached to the upper end of the tailgate opening part 31 via the hinges 32 and 32, as shown in FIG. That is, as shown in FIG. 5, the upper end portion of the door upper portion 2 is supported so as to be rotatable with respect to the vehicle body 3.
As shown in FIGS. 1 and 2, the door upper portion 2 includes upper locks 21, 21 that are respectively provided on both sides of the tailgate opening 31 and engage with lateral strikers 34, 34 to be described later. And an upper lock operation unit 23 for operating the upper locks 21 and 21 of the apparatus. The upper locks 21 and 21 correspond to “upper lock means” in the claims.

  The upper locks 21 and 21 lock the door upper portion 2 to the vehicle body 3 in the closed position by engaging with lateral strikers 34 and 34 described later. The upper lock 21 may have a known structure, and is connected to the upper lock operation unit 23 by a known push-pull mechanism (not shown) using a rod, a wire, or the like. That is, the upper lock 21 is configured to be unlocked by operating the upper lock operation unit 23 and pulling a push-pull mechanism (not shown). In addition, the upper lock operation part 23 in this embodiment functions also as a handle | steering_wheel when rotating the door upper part 2 around the center of the hinges 32 and 32, and as shown in FIG. It is provided at the terminal part below the upper part 2. And the position (initial position) of the lower lock operation part 13 of the closed door lower part 1 shown in FIG. 1 and the position (initial position) of the upper lock operation part 23 of the closed door upper part 2 shown in FIG. Are set so as to overlap each other in plan view.

  When such an upper door 2 is operated to disengage the upper lock 21 and the lateral striker 34 by operating the upper lock operating portion 23 exposed below the lower door 1 shown in FIG. 2, as shown in FIG. Further, it can be rotated with respect to the vehicle body 3. That is, the tailgate opening 31 is fully opened by the door upper part 2 being flipped up.

Next, the function and effect of the door structure S according to the present embodiment will be described.
FIG. 6 referred to here is an opening locus drawn by the lower end of the rear door in the door structure according to the embodiment of the present invention, and an opening locus drawn by the lower end of the rear door in the conventional door structure in which the rear door is not divided into two. It is a schematic diagram which shows the relationship.

  As shown in FIG. 6, the door structure S according to the present embodiment can be arranged by sliding the door lower portion 1 upward and overlapping the door upper portion 2, so that the rear door 4 when the door upper portion 2 is flipped up. The opening locus T1 (turning locus) is smaller than the opening locus T2 (turning locus) of the rear door 4 of the conventional door structure S ′ that is not divided into two by the difference R of the turning radius.

  Further, in the door structure S according to the present embodiment, as shown in FIG. 2, the upper lock operation unit 23 for opening the door upper portion 2 is the first time when the door lower portion 1 is slid upward to a predetermined lock position. Since the operation becomes possible, it is possible to reliably prevent the door upper portion 2 from being inadvertently opened even though the door lower portion 1 is in the middle of sliding.

  And since this door structure S prevents the door upper part 2 from being opened carelessly, it is not necessary to provide a complicated cancel mechanism unlike the conventional door structure (see, for example, Patent Document 1). The configuration is simple and there is no need to perform strict accuracy control. Therefore, this door structure can achieve cost reduction.

  Further, in this door structure S, when the door lower portion 1 is slid upward and locked to the door upper portion 2, the lower lock operation portion 13 is at a higher position than the position before the slide at the locked position. That is, the lower lock operation unit 13 is disposed at a high position where it is difficult to operate. As a result, the door structure S is prevented from accidentally releasing the second lower lock 12 and inadvertently sliding the door lower portion 1 downward.

  Further, in this door structure S, the lower lock operation portion 13 is provided at a position overlapping the upper lock operation portion 23 shown in FIG. 2 when the door lower portion 1 is in a state before sliding (see FIG. 1). The initial position of the lock operation unit 13 and the initial position of the upper lock operation unit 23 are substantially the same for the operator. As a result, the operator can easily grasp the positions of the lower lock operation unit 13 and the upper lock operation unit 23.

  Further, in such a door structure S, since the upper lock operation part 23 is provided at the terminal part below the door upper part 2, the upper lock operation part 23 when the door lower part 1 is slid upward. Can be easily exposed. And by providing the upper lock operation part 23 in the lower terminal part of the door upper part 2, it is set as the structure which can operate the upper lock operation part 23 easily, without forming the recessed part etc. for putting a hand separately. Can do.

In addition, this invention is implemented in various forms, without being limited to the said embodiment.
In the above embodiment, the second lower lock 12 of the door lower portion 1 is configured to engage with the guide rail 22 of the door upper portion 2, but the present invention is configured so that the second lower lock 12 is in the door upper portion 2 other than the guide rail 22. It may be engaged with a predetermined portion.
Moreover, in the said embodiment, although the guide rails 22 and 22 which protrude outside a vehicle are provided in the door upper part 2, a guide slit (illustration omitted) is provided in the door upper part 2, and the door lower part is provided in the guide slit. 1 may be guided.

  Moreover, in the said embodiment, at least one of the sliding movement of the door lower part 1 and rotation of the door upper part 2 may be electrically performed in addition to the above-mentioned manual operation by the operator.

It is the schematic diagram of the vehicle to which the door structure which concerns on embodiment of this invention is applied, Comprising: It is the figure which looked at the mode that the rear part door was closed from the back of the vehicle. It is the schematic diagram of the vehicle to which the door structure which concerns on embodiment of this invention is applied, Comprising: It is the figure which looked at a mode that the door lower part is opened among the rear doors and the door upper part is closed from the vehicle rear. It is a figure which shows a mode that the door lower part is guided to the rail of the door upper part, and is III-III sectional drawing of FIG. It is a figure which shows a mode that the door lower part is locked to the door upper part, and is IV-IV sectional drawing of FIG. It is a perspective view which shows a mode when the door upper part rotates with respect to the vehicle body. It is a schematic diagram which shows the relationship between the open locus | trajectory which the lower end of the rear door in the door structure which concerns on embodiment of this invention draws, and the open locus | trajectory which the lower end of the rear door in the conventional door structure in which the rear door is not divided into 2 parts. .

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Door lower part 2 Door upper part 3 Car body 4 Rear door 11 1st lower part lock 12 2nd lower part lock (lower lock means)
13 Lower lock operation part 21 Upper lock (upper lock means)
23 Upper lock operation part S Door structure

Claims (4)

An upper door portion, and a lower door portion provided separately from the upper door portion,
The upper part of the door is supported so that the upper end part is rotatable with respect to the vehicle body,
The door lower part is provided to be slidable upward with respect to the door upper part,
Upper locking means for locking the upper part of the door to the vehicle body;
An upper lock operating portion for releasing the lock state of the upper lock means;
With
The vehicle door structure according to claim 1, wherein the upper lock operation portion is provided at a position where the upper portion of the door can be operated when the lower portion of the door is slid to a predetermined lock position. A lower locking means for locking the upper part of the door when the lower part of the door is slid to the predetermined locking position, and a lower locking operation part for releasing the locked state of the lower locking means,
2. The vehicle door structure according to claim 1, wherein the lower lock operation portion is provided at an upper end portion of the lower portion of the door.   3. The vehicle door structure according to claim 1, wherein the lower lock operation portion is provided at a position overlapping the upper lock operation portion when the lower portion of the door is in a state before sliding.   4. The vehicle door structure according to claim 1, wherein the upper lock operation portion is provided at a terminal portion below the upper portion of the door. 5.

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