JP2002211306A - Cargo chamber structure of cargo vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To restrain waste power consumption and prevent air inside a cargo chamber from leaking outside in a predetermined state that a door of the cargo chamber of a cargo vehicle is semi-open. SOLUTION: This structure comprises the box type cargo chamber 1 formed with an opening 2 for taking in/out cargos and equipped with the door 3 for opening/closing the opening 2, an air-conditioner 4, a lighting device 5, and an air curtain device 6. A detecting device 7 for detecting a first semi-open door position for the door 3 to open and for turning on/off the lighting device 5, a detecting device 8 for detecting a second semi-open door position for the door 3 to open larger than the first semi-open door position and for stopping/ operating the air curtain device 6, a door holding means 9 for holding the door 3 at a third semi-open door position between the first semi-open door position and the second semi-open door position, and an air dam 10 for blocking a gap between the door 3 and an edge of the opening 2 when the door is at a semi- open door position are mounted in the cargo chamber 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cargo room structure of a freight vehicle provided with an air conditioner for adjusting the room temperature of a box-type cargo room.

[0002]

2. Description of the Related Art A freight vehicle for transporting contents in an appropriate temperature state by adjusting the room temperature of a box-type luggage compartment is equipped with an air conditioner for adjusting the room temperature in the luggage room, and a load in a half-door state. A lighting device (interior light) that illuminates the cargo compartment when working indoors, and a door There is a device provided with an air curtain device for blowing out wind from one edge toward an edge facing the edge.

[0003]

The door of the luggage compartment has a structure in which the lock device can be operated only from the outside of the luggage compartment, and the lock device cannot be locked unless the door is fully closed. In the vicinity of the fully closed position, the door is urged to open by a reaction force of the weather strip. Therefore, when working in the luggage compartment, the door opening is in a half-open state. In this case, the courtesy switch detects a half-open state except when the door is fully closed and inputs the signals to the lighting device and the air curtain device at the same time. However, there was a problem that it became uneconomical. In addition, when the air curtain device is of a timer set type, the air curtain device stops after a certain period of time, which causes a problem that air in the luggage room flows out.

SUMMARY OF THE INVENTION In view of the above circumstances, the present invention provides a cargo vehicle luggage compartment structure in which when a door is in a predetermined half-open state, an air curtain device is stopped and air in the luggage compartment is prevented from leaking outside. It was made to provide.

[0005]

SUMMARY OF THE INVENTION According to the present invention, there is provided a box-shaped luggage compartment having an opening for loading and unloading a luggage, and a door capable of being opened and closed in a horizontal direction to open and close the opening. Air conditioner, an illuminating device for illuminating the cargo room, and preventing the air in the cargo room from leaking out from the opening by blowing wind from one edge of the opening toward the opposite edge. An air curtain device is provided, and it is detected whether the door is closed or opened from a slightly opened first half door position, and when the door is closed from the first half door position, the lighting device is turned off. A lighting detection device for turning on the lighting device when the door is opened from the first half door position, and a door closed or opened from a second half door position opened from the first half door position. The door When the door is closed from the second half door position, the air curtain device is stopped, and when the door is open from the second half door position, the air curtain detection device for operating the air curtain device; Door holding means for holding the door at a third half-door position between the first half-door position and the second half-door position; and edges of the door and the opening when the door is at the third half-door position. (Claim 1). When the door is between the fully closed position and the first half door position, the lighting device is turned off and the air curtain device is stopped. When the door is between the first half door position and the second half door position, the lighting device is turned on but the air curtain device is stopped. When the door is opened from the second half door position, the lighting device is turned on and the air curtain device operates. When the door is held at the third half-door position between the first half-door position and the second half-door position by the door holding means, the air curtain device is stopped, but the door and the opening of the luggage compartment are closed by the air dam. The gap is closed to prevent indoor air from leaking out. When the door is opened from the second half door position, the operation of the air curtain device prevents the air in the room from leaking out of the opening of the luggage compartment.

[0006]

1 to 6 show the present embodiment. Reference numeral 1 denotes a box-shaped luggage compartment, and an opening 2 is formed in the rear surface of the luggage compartment 1. The opening 2 is provided with a two-way pivotable back door 3a, 3 which can be opened and closed.
b is provided, and the contents can be taken in and out from the opening 2. The back doors 3a and 3b are sealed between the back doors 3a and 3b and the opening 2 by a weather strip (not shown) provided on the peripheral edge.

[0007] As shown in FIG. 1, an air conditioner 4 is provided on the ceiling in the luggage room 1, and the luggage room 1 is
The inside air is circulated inside to control the temperature in the luggage compartment 1.
5 is a lighting device (interior light) provided at a key point in the luggage compartment 1
Then, the lighting detector 7 described later turns off the light when the door is closed, and illuminates the interior of the luggage compartment 1 when the door is opened. 6 is the opening 2
An air return device 6a provided below the lower edge portion and an air return outlet grill 6b provided inside the lower edge portion. The detection device 8 is operated and stopped. At the time of opening the door for taking in and out the contents from the opening 2,
The air return unit 6a operates to blow outside air upward through the opening 2 through the air return outlet grille 6b, thereby preventing leakage of room air to the outside and keeping the inside air circulation by the air conditioner 4 smooth. 12 in the figure
Is suspended inside the upper edge of the opening 2 by a goodwill curtain,
The lower end position is set to a length that does not hinder the loading and unloading of the contents, and together with the air curtain device 6, prevents the room air near the upper edge of the opening 2 when the door is opened from leaking out. , And efficiently perform internal air circulation.

As shown in FIGS. 1 to 3, an illumination detecting device 7 and an air curtain detecting device 8 are installed above the opening 2 of the luggage compartment 1 on the left back door 3a side. The lighting detecting device 7 is provided on the vehicle center side with respect to the air curtain detecting device 8, and detects whether the back door 3a is closed or open from a slightly opened first half door position. When the back door 3a is closed from the first half door position, the lighting device 5 is turned off, and when the back door 3a is open from the first half door position, the lighting device 5 is turned on.

On the other hand, the air curtain detecting device 8
It is provided at the rotation center side of the door hinge H with respect to the detecting device 7 for illumination, and detects whether the back door 3a is closed or open from a second half door position slightly opened from the first half door position. When the back door 3a is closed from the second half door position, the air curtain device 6 is not operated, and when the back door 3a is open from the second half door position, the air curtain device 6 is turned off. Activate. Detector 7 for lighting and detector 8 for air curtain
Are switches that are turned on and off by being pressed or opened by the door when the door is opened and closed.

As shown in FIG. 2, the illumination detecting device 7 is provided on the inner step of the opening 2 so as to be pressed by the inner surface of the back door 3a when the door is closed. On the other hand, as shown in FIG. 3, the air curtain detecting device 8 is provided on the outer upper end surface of the opening 2 by a push plate 13 provided on the outer upper end portion of the back door 3a when the door is closed. The push plate 13 is formed by bending a strip-shaped steel plate into a substantially Z-shaped cross section, and fixing the bent lower surface to the upper end of the outer surface of the back door 3a by screwing or the like with the bent lower surface facing the front of the vehicle. The lighting detection device 7 is also provided on the outer upper end surface of the opening 2 similarly to the air curtain detection device 8, and can be pressed by a push plate 13 provided on the outer upper end portion of the back door 3a when the door is closed. be able to. 2 and 3, reference numeral 14 denotes an eave covering the rear end of the upper edge of the opening 2 in the vehicle width direction.

In FIG. 1 and FIG. 4, reference numeral 9 denotes a door holding means, which turns on the illumination detecting device 7 and does not operate the air curtain device 6 when an operator works in a cargo room. The back door 3a is held and fixed at a third half door position between the first half door position and the second half door position. The door holding means 9 includes the left back door 3.
A hook 9a is provided on the inner surface of a, and a striker 9b is provided on the inner surface of the right back door 3b. Striker 9
b is obtained by bending a round bar member into a substantially U-shape, with both ends outward L
A flat plate is formed in the shape of a letter, and is fixed at a predetermined position on the inner surface on the side of the back door 3b in the horizontal direction by screwing or the like (not shown). On the other hand, the hook 9a is made of a round bar member, the base end of which is formed in an annular shape, and the tip end of which is bent into an acute L-shape. The hook 9a has an annular base end vertically and rotatably inserted into a bracket 9c having the same shape as the striker 9b, and the bracket 9c is vertically moved to form a flat plate at both ends on the inner surface of the back door 3a. It is fixed by approximate screw tightening.

To hold and fix the back door 3a to the back door 3b at the third half door state, the hook 9
a is rotated clockwise, and its tip is hooked from below on the other striker 9b. The back door 3a is pushed back outward when the door is closed due to the reaction force of a weather strip (not shown).
The back door 3a is stably held in the third half-door state position due to the mutual attraction.

1, 5 and 6, an air dam 10 is provided between the back door 3a and the back door 3b and while the back door 3a is held and fixed at the third half door state. The gap S between the door 3a and the lower edge of the opening 2 is closed to prevent the air in the cargo room from leaking out. The air dam 10 includes a dam body 10a made of a band-shaped rubber member, and a dam set plate 10b formed to have a substantially U-shaped cross section.
The width of the lower edge is set to at least approximately 2/3 or more of the height of the door at the vertical edge on the free end side (vehicle center side), and is set to a length that can overlap the lower end of the curtain 12. . The dam body 10a is a dam set plate 10
b is fixed by screwing or caulking (not shown), and the tip of the dam body 10a is inclined obliquely inward with respect to the inner surface of the door on the vertical edge side, while the dam body 10a is inclined on the lower edge side. Of the dam body 10a is set obliquely downward with respect to the inner surface of the door, and the dam set plate 10b is set on the inner surface of the back door 3a by screwing the dam set plate 10b to the inner surface of the back door 3a. It is fixed.

In the luggage compartment 1 having the above structure, the air is blown into the luggage compartment 1 through the duct 11 by the air conditioner 4 during the transportation of the goods, and the temperature of the interior of the luggage compartment 1 is adjusted to an appropriate temperature by the circulation of the inner air. You. When the back doors 3a and 3b are fully closed, the lighting device 5 is turned off and the air curtain device 6 is also stopped.

When the worker loads or unloads the luggage from the above state, the door is unlocked from outside the luggage compartment 1 and
The back door 3a is opened from the first and second half door positions.
Then, the lighting detection device 7 detects that the door is opened from the first half door position and turns on the lighting device 5, and the air curtain detection device 8 causes the door to be opened from the second half door position. That the air curtain device 6
To prevent leakage of inside air to the outside.

Next, when the worker enters the luggage compartment 1 and performs work, the back door 3a is held and fixed at the third half door position by the door holding means 9. Then, the lighting detection device 7 detects that the door is opened from the first half door position, and the air curtain detection device 8 keeps the lighting of the lighting device 5 closed while the door is closed from the second half door position. Then, the operation of the air curtain device 6 is stopped. In this case, the back door 3a is
a and the gap between the lower edge of the back door 3a and the lower edge of the opening of the luggage compartment 1 so as to prevent the circulating air inside the luggage compartment 1 from leaking out. Thus, the inside air circulation is performed without any trouble, and the temperature in the luggage compartment 1 is adjusted and controlled to an appropriate temperature.

[0017]

According to the present invention, when the door is in a predetermined half-open state, the operation of the air curtain device can be stopped, the power consumption can be suppressed, and the burden on the battery can be reduced, and the economy can be reduced. It is more advantageous. In addition, even if the air curtain device stops in the above half-open state, the air dam closes the gap between the door openings to prevent the inside air from leaking out, so that the inside air circulation is performed smoothly and the temperature control in the cargo compartment is effectively managed. Is done.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a cargo room structure of the present invention.

FIG. 2 is a schematic cross-sectional view taken along a line II-II in FIG.

FIG. 3 is a schematic sectional view taken along a line III-III in FIG. 1;

FIG. 4 is a schematic sectional view taken along a line IV-IV in FIG. 1;

FIG. 5 is a schematic sectional view taken along a line VV in FIG. 1;

FIG. 6 is a schematic sectional view taken along a line VI-VI in FIG. 1;

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 luggage compartment 2 opening 3 door 4 air conditioner 5 lighting device 6 air curtain device 7 lighting detection device 8 air curtain detection device 9 door holding means 10 air dam

Claims (1)

[Claims] 1. A box-shaped luggage compartment having a luggage loading / unloading opening and a horizontally openable door for opening and closing the luggage, an air conditioner for adjusting the temperature in the luggage compartment, and a load. A lighting device for illuminating the interior of the room, and an air curtain device for blowing air from one edge of the opening toward the opposite edge to prevent air in the cargo room from leaking out of the opening, Detecting whether the door is closed or open from a first half door position which is slightly opened, and turning off the lighting device when the door is closed from the first half door position; When the door is opened from the position, a lighting detection device that turns on the lighting device and a door that detects whether the door is closed or open from a second half door position that is more open than the first half door position, The second
When the door is closed from the half door position, the air curtain device is stopped, and when the door is open from the second half door position, the air curtain detection device that activates the air curtain device, Door holding means for holding the third half door position between the first half door position and the second half door position, and between the door and the edge of the opening when the door is in the third half door position. A cargo compartment structure for a freight vehicle, comprising an air dam for closing a gap between the cargo vehicles.