JP2002002290A - Opening and closing structure for box-shaped load chamber - Google Patents

Abstract

PROBLEM TO BE SOLVED: To secure a sufficiently large opening area upon opening of a sliding door. SOLUTION: A rear opening 11 of a box-shaped load chamber 1 is opened and closed by a plurality of sliding doors 2A to 2C. At the one end of the rear opening 11, a rotary block 6, which is rotary toward the outside of the opening with a hinge mechanism, is provided. When the rear opening 11 is opened, the sliding doors 2A to 2C occupies a position outside of a fixed wall 3 on the rotary block 6, where each sliding door is on the top of the other from inside to outside of the opening 11, wherein the rotary block 6 carrying the sliding doors can be opened toward outwardly from the opening 11.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an opening / closing structure for a box-type luggage compartment such as a box-type luggage car and a box-type container, and more particularly to an improvement in the structure of a luggage compartment opening / closing opening / closing unit.

[0002]

2. Description of the Related Art The inventors of the present invention have previously proposed a box-type luggage compartment opening / closing structure that does not require a large door opening space outside the luggage compartment, using a sliding door (Japanese Patent Application No. 2000-3308).
4). As shown in FIGS. 9 and 10, the rear opening 11 of the box-shaped luggage compartment 1 of the box-type luggage car is provided with a plurality of sliding doors 2A to 2C.
It opens and closes with. In other words, the rear opening 11 is divided into four equal parts in the width direction, and the 1/4
The portion is the innermost portion and forms a fixed wall 3. 3/4 remaining
Three sliding doors 2A to 2C of the same shape are provided in the part, and the sliding door 2C which is sequentially located on the outside of the vehicle on the near side and located on the right end
Is provided with a handle 21 for opening and closing operation in the lower half.

As shown in FIG. 11, the fixed wall 3 has upper and lower ends fixed to the ceiling and floor of the rear opening 11 by L-shaped angles 31 and 32, respectively. On the other hand, hanging members 41 are fixed to the upper ends of the three sliding doors 2A to 2C, respectively. The hanging tool 41 has the same length as the door width of the sliding door 2C,
A U-shaped lower half 411 that opens downward is covered on the upper end of the sliding door 2C, and a horizontal support shaft 413 is provided in an upper half 412 that is a vertical wall above the center of the lower half 411. The main rollers 42 are provided at both ends of the support shaft 413, respectively.

As shown in FIG. 11, the upper rails 5A to 5A are arranged on the ceiling of the luggage compartment adjacent to the outside of the fixed wall 3 from inside to outside.
5C are provided side by side. Each of the upper rails 5A to 5C has a flange portion 51 which is bent horizontally at the lower opening edge thereof.
The main rollers 42 are located on the left and right horizontal flange portions 51, respectively, and movably support the sliding doors 2A to 2C. Further, stays 52 extending upward are provided on the outer surfaces of both ends in the door width direction of the sliding door 2C located on the outermost side, and an auxiliary roller 53 is provided at a tip of each of the stays 52. The horizontal flange portion 51 is sandwiched from above and below by the main roller 42 located just above the main roller 42.

In FIG. 11, lower rails 7A and 7A on the floor of the rear opening 11 are L-shaped and U-shaped.
B are provided adjacent to each other and extend in the width direction of the opening 11 (perpendicular to the plane of FIG. 11), and these lower rails 7A, 7
B on vertical rails 71-73, sliding doors 2A-2C
The U-shaped groove 431 of the guide member 43 provided at the lower end portion of the is fitted. Thus, the sliding doors 2A to 2C are guided to move without swinging in and out.

As shown in FIG. 12, each of the sliding doors 2A to 2C
Edge members 10A and 10B are attached to the side edges of the fixed wall 3, and contact portions 104,
By forming the 134 and 140, the sliding doors 2A to 2C are sequentially opened or closed as described later. The edge member 10A is an extruded aluminum product,
The base formed into a U-shaped cross section is the fixed wall 3 and each sliding door 2A,
It is attached to the right edge of 2B. An abutting portion 104 protruding toward the edge member 10B is provided on a front end side surface of the edge member 10A.
Is formed, and its side surface is curved in a hook shape. Edge member 1
A rectangular recess having an opening with a narrow width is formed in the center of the front end of 0A so as to penetrate in the longitudinal direction (perpendicular to the paper surface), and a sealing member 107 whose front end is closed is fitted and fixed in the base.

On the other hand, the edge member 10B is an extruded product similar to the edge member 10A, and is fixed to the left edges of the sliding doors 2A to 2C. The shape of the edge member 10B is the contact portion 1 described later.
Except for the point where 40 is formed, it is symmetrical with the edge member 10A. The contact portion 140 is formed on the opposite side of the contact portion 134 and protrudes greatly toward the rear of the vehicle (downward in FIG. 12). Further, the sealing member 137 is formed by the sealing member 10 described above.
7, the sealing member 107 is provided in the recess of the edge member 10B.
It is mounted in the opposite direction. An edge member 10C is attached to the right edge of the sliding door 2C, and its shape is the same as that of the edge member 10A except that no contact portion is formed. A seal member 101 having a closed front end is fitted and fixed in the recess.

In such a structure, when the sliding door is to be opened from the closed state shown in FIG. 12, the outermost sliding door 2C is pulled to the left with a handle (not shown).
With the movement of C to the left, the seal member 137 contacts the contact portion 140 of the edge member 10B of the sliding door 2B located inside and pushes it to the left, and further the sliding door 2B moves to the left. With the movement, the seal member 137 is further positioned inside the contact portion 14 of the edge member 10B of the sliding door 2A.
Then, as shown in FIG. 13, the three sliding doors 2 </ b> A to 2 </ b> C are moved so as to all overlap the outer position of the fixed wall 3, and the rear opening 11 is opened.

[0009]

The opening / closing structure proposed above does not require a large door opening space outside the luggage compartment, and can open and close the door without interfering with other articles outside the luggage compartment. However, even when all the sliding doors are opened, a quarter of the rear opening is closed. On the other hand, there is a demand for securing a larger opening area in order to smoothly load a large load.

An object of the present invention is to solve such a problem, and an object of the present invention is to provide an opening / closing structure of a box-shaped luggage compartment capable of securing a sufficiently large opening area when a sliding door is opened.

[0011]

In order to achieve the above object, the present invention provides an opening (11) of a box-shaped luggage compartment (1) which is opened and closed by a plurality of sliding doors (2A to 2C).
The sliding doors (2A to 2C) are arranged so as to overlap with each other at the inside and outside positions on the turntable (6) provided at one end of the opening (11) with the 1) opened, and the turntable (6) Can be rotated inward or outward of the opening (11).

In the present invention, the sliding doors which are overlapped at the inner and outer positions in the open state are further rotated inward or outward of the opening by the turntable, so that the sliding doors overlap at one end side of the opening as in the prior art. A part of the opening is not closed by the sliding door, and a sufficient opening area can be secured, so that a large load can be loaded smoothly.

The reference numerals in parentheses indicate the correspondence with specific means described in the embodiments described later.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS (First Embodiment) FIG. 1 shows a horizontal sectional view of the left end of an opening edge of a rear opening 11 of a cargo room, which corresponds to a portion A in FIG. It is. FIG. 2 is a sectional view taken along the line II-II in FIG. In FIG. 1, a part of the left end of the bottom wall frame 81 that forms the opening edge of the luggage compartment rear opening 11 has one side parallel to the side wall frame 82 in plan view and the other side obliquely rearward (downward in FIG. 1). The concave portion 811
Inside, a similar trapezoidal rotating plate 61 having one side 611 parallel to the side wall frame 82 and the other side 612 extending obliquely is provided. This rotating plate 6
1 is a hinge member 6 having a right-angled corner on the rear side (lower side in FIG. 1).
By 3, it is rotatably connected to the side wall frame 82 constituting the opening edge.

The top wall frame 83 (FIG. 2) constituting the opening edge also has a left end recessed in the same shape as the bottom wall frame 81 in plan view, and has the same shape as the rotary plate 61 in the recess 831. And a right-angled corner on the rear side thereof is rotatably connected to the side wall frame 82 by a hinge member (not shown). The upper and lower rotating plates 61 and 62 are provided in contact with the upper and lower ends of the side plate 64 (FIG. 1) erected along one side 611 and the front end (the upper end of FIG. 1) of the side plate 64 at right angles. Fixed wall 3
And is fixedly connected to the upper and lower ends of the rotary table (FIG. 2) to form the turntable 6. The basic structure of the fixed wall 3 is the same as that described in the related art.

The three sliding doors 2A to 2C for opening and closing the luggage compartment rear opening 11 have the same structure as that described in the prior art, and as shown in FIG. 2, upper rails 5A to 5C, respectively.
And the rail portions 71 to 7 of the lower rails 7A and 7B.
3 to move left and right. Upper rail 5A ~
5C and the lower rails 7A and 7B are connected to the rear opening 1 respectively.
1 (see the lower rails 7A and 7B in FIG. 1).
Only the rail portions 71 to 73) and the top wall frame 83
After extending downward in the left-right direction and temporarily stopping at a boundary between the rotating plates 61 and 62 with a small gap, the upper and lower rotating plates 61 and 6 are stopped.
2 (only the rotating plate 61 is shown in FIG. 1). Such upper rails 5A to 5C and lower rails 7A and 7B
Sliding doors 2A to 2C, which are guided and moved and opened,
Suspended upper rails 5A to 5C and lower rails 7A and 7B
In the fully opened state, as shown in FIG.

As shown in FIG. 3, the handle 21 of the outermost sliding door 2C is located in a rectangular recess 22 provided on the door surface. The handle 21 has an L-shape including a grip portion 211 in a vertical position and an operation portion 212 in a horizontal position. The handle 21 is rotatably supported on the vertical bottom surface of the recess 22 at the bent portion. The distal end of the operating section 212 is rotatably connected to the upper end of an operating shaft 23 extending downward, and a lock piece 24 having a wedge-shaped distal end is provided at the lower end of the operating shaft 23. The lock piece 24 is urged downward by a coil spring 25 disposed around the lower end of the operation shaft 23. The rail portion 73 on the rotating plate 61 is partially formed with a mountain-shaped convex portion 731, and when the sliding door 2 </ b> C is opened to the position shown in FIG. 1, the lock piece 24 rides over the convex portion 731. It is in contact with the slope. This restricts the sliding door 2C from returning in the closing direction. When closing the sliding door 2C, when the sliding door 2C is pulled in the closing direction with a certain force or more, the lock piece 24 rises along the slope of the convex portion 731 against the urging force of the coil spring 25, and the convex portion 731 The contact state with the is eliminated.

In FIG. 1 and FIG. 2, a lock 33 is provided on the back surface of the fixed wall 3 at a vertical position. FIG. 4 shows the appearance of the lock 33, and its tubular casing 331 is joined to the tip of a plate-like stay 332 extending from the back of the fixed wall 3 in a vertical posture. A lock shaft 333 is vertically movably inserted into the cylindrical casing 331, and an operation pin 334 protruding from an intermediate peripheral surface of the lock shaft 333 is attached to the casing 331.
Is located in a long hole 335 formed in the longitudinal direction on the peripheral wall of the. The upper and lower ends of the long hole 335 are bent at right angles to form locking portions 336 and 337, respectively. The lock shaft 333 is moved upward or downward by grasping the operation pin 334, and the tip of the lock shaft 333 is moved from the top wall frame 83 to the bottom wall frame 8.
1 is inserted into the lock holes 812, 832 (FIG. 2), and in this state, the lock shaft 333 is rotated by itself and the operation pin 33 is rotated.
By positioning the rotary table 4 in one of the upper and lower locking sections 336, 337, the rotation of the turntable 6 is regulated, and the rotary table 6 is positioned at the position shown in FIG.

In order to further increase the opening of the rear opening 11 of the luggage compartment from the state shown in FIG. 1 in which the sliding doors 2A to 2C are fully opened, the lock shaft 333 of the lock 33 is returned to rotate and the operation pin 334 is rotated. The locking parts 336, 337
And the lock shaft 333 is
1. Move up or down within 1 to extract from lock holes 812, 832. As a result, the rotation of the turntable 6 is released, so that the turntable 6 on which the fixed wall 3 and the sliding doors 2A to 2C are placed is rotated around the hinge member 63 to the outside of the vehicle as shown by the arrow in FIG. Then, it is positioned along the side wall of the luggage compartment 1. Thereby, the closed 1 / of the rear opening 11 is closed.
Four portions are opened, and the rear opening 11 is largely opened over the entire opening width.

(Second Embodiment) In FIGS. 6 and 7, the bottom wall frame 81 and the top wall frame 83 which form the opening edge of the rear opening 11 of the cargo room are provided at their left end portions with flat surfaces which open in the direction of the cargo room 1. A trapezoidal concave portion 813 is formed by visual inspection, and this concave portion 813 is formed.
13 also have trapezoidal rotating plates 61 and 62. The upper and lower rotary plates 61 and 62 are connected to the side plate 64 and the fixed wall 3 to form a rotary table 6. The rotary table 6 is formed by a hinge member 63 at a front right-angle corner of each of the rotary plates 61 and 62 by a side wall frame. 83 is rotatably connected to the inner wall surface. The opened sliding doors 2A to 2C are upper rails 5A to 5C and lower rails 7A and 7B (FIG. 6 shows only the rail portions 71, 72 and 73 of the lower rails 7A and 7B).
Is moved to the position above the rotating plate 61 and overlaps with the position outside the fixed wall 3. Other structures are the same as those described in the first embodiment.

In order to further increase the opening of the rear opening 11 of the luggage compartment from the state shown in FIG. 6 in which the sliding doors 2A to 2C are fully opened, the lock shaft 333 of the lock 33 is inserted into the lock holes 812 and 832 (FIG. 6). 7) Pull out from inside
As shown in FIG. 5, the turntable 6 on which the fixed wall 3 and the sliding doors 2A to 2C are placed around the hinge member 63 is rotated into the luggage compartment 1,
This is located along the side wall of the luggage compartment 1. This allows
The closed quarter portion of the rear opening 11 is opened, and the rear opening 11 is largely opened over the entire opening width.

[0022]

As described above, according to the opening / closing structure of the box-type luggage compartment of the present invention, a sufficiently large opening area can be secured when the sliding door is opened, and a large load can be smoothly loaded. It is.

[Brief description of the drawings]

FIG. 1 is a horizontal cross-sectional view of a left end of a rear opening of a luggage compartment, showing a first embodiment of the present invention.

FIG. 2 is a vertical sectional view taken along line II-II of FIG.

FIG. 3 is an enlarged front view of a lower corner portion of a sliding door;

FIG. 4 is a perspective view of a lock.

FIG. 5 is a horizontal sectional view in a state where the turntable is rotated.

FIG. 6 is a horizontal cross-sectional view of the left end of the rear opening of the luggage compartment, showing the second embodiment of the present invention.

FIG. 7 is a vertical sectional view taken along the line VII-VII of FIG. 6;

FIG. 8 is a horizontal sectional view in a state where the turntable is rotated.

FIG. 9 is a rear perspective view of a conventional box-type luggage vehicle.

FIG. 10 is a front view of a rear opening of the luggage compartment.

FIG. 11 is a vertical sectional view of a rear opening of the luggage compartment.

FIG. 12 is a horizontal sectional view of a rear opening of the luggage compartment in a sliding door closed state.

FIG. 13 is a horizontal sectional view of a rear opening of the luggage compartment in a sliding door open state.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Luggage room, 11 ... Rear opening, 2A, 2B, 2C ... Sliding door, 3 ... Fixed wall, 5A, 5B, 5C ... Upper rail, 7
A, 7B: lower rail, 6: rotary table, 61, 62: rotating plate, 63: hinge member.

Claims (1)

[Claims] 1. An opening of a box-shaped luggage compartment is opened and closed by a plurality of sliding doors, and the sliding doors are located at inner and outer positions on a rotating table provided at one end of the opening with the opening being opened. The opening and closing structure of a box-type luggage compartment, wherein the rotating table is rotatable inward or outward of the opening.