JP2556000Y2 - Wing door of frozen wing car - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wing door of a refrigerated wing car for transporting frozen or refrigerated cargo while keeping it cool.

[0002]

2. Description of the Related Art Generally, in a refrigerated wing vehicle, a lower side panel 2 (2A, 2A) constituting a cold storage chamber 1 as shown in FIG.
B) is configured as an I-shaped door pivotally supported via hinge portions 3 (3A, 3B) and can be opened downward,
Ceiling side panel 4 (4A, 4B) and side wall side panel 5 (5
A, 5B) and an L-shaped wing door 7 (7A, 6A) that can be pivotally supported through hinge portions 6 (6A, 6B) and opened upward.
7B). This L-shaped wing door 7
Is constructed by connecting a ceiling side panel 4 and a side wall side panel 5 at right angles. A specific configuration of a conventional one will be described with reference to FIG.

In FIG. 3, a ceiling side panel 4 is
A sandwich panel (flat panel) filled with a heat insulating material 33 such as a foamable resin between the first and inner plates 32;
Similarly, the side wall upper panel 5 is formed of a sandwich panel (flat panel) in which a foaming resin 36 is filled between the outer plate 34 and the inner plate 35. 37 (37A, 37B) is a panel connecting member made of an extruded aluminum product;
A space 38 (38A, 38B) is provided, and a partition wall 39 (39A, 39B) and a panel fixing frame 40 (40
A, 40B) are coupled.

When connecting the ceiling side panel 4 and the side wall side panel 5, the panel connecting members 37A and 37B are connected to each other by bolts 41A. On the other hand, the ceiling side panel 4 and the panel fixing frame portions 40A and 40B are integrated with the panel fixing frame portions 40A and 40B, respectively.
Insert one end of the side wall side panel 5 and insert the two panels 4,
5 is fixed to the panel fixing frame portions 40A and 40B by fixing bolts 42A and 42B from the thickness direction of the panels 4 and 5 or the plane direction as in this example. This allows
The two panels 4 and 5 are connected at right angles to form an L-shaped wing door 7.

[0005]

SUMMARY OF THE INVENTION The conventional wing door having the above-mentioned structure is a ceiling which is individually constituted by a sandwich panel.
Since the side panel 4 and the side wall side panel 5 are connected by the panel connecting member 37 made of a molded product of aluminum, the space where the heat insulating materials 33 and 36 do not exist is formed in the connecting portion of the panels 4 and 5. Will exist. For this reason, there is a problem that heat exchange with the outside air passing through the space 38 lowers the heat insulating property. In addition, this kind of wing door opens and closes
The wing door corners, especially
The inner side is large due to vibration and impact when opening and closing the wing door
Wings are susceptible to deformation and damage
It is necessary to reinforce the inside of the door corner.

In addition, the ceiling side panel 4 and the side wall side panel 5 have to be individually filled with heat insulating materials 33 and 36, respectively, resulting in an increase in man-hours.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems of the prior art, and can improve the heat insulating property and can reinforce the inner surface of the corner of the wing door to deform or break.
It is an object of the present invention to provide a wing door of a refrigerated wing car that can prevent loss and further reduce the number of assembly steps.

[0008]

In order to achieve the above-mentioned object, the present invention is directed to a ceiling, if it is indicated by reference numerals in the drawings.
Side panel 4, corner side panel 10, and side wall side panel 5
And the inner and outer plates 11, 1 of each of the panels 4, 10, 5
Adjacent ends of 9, 15, 12, 20, 16 are connected to each other.
And the inner panel 12 of the ceiling panel 4 and the corner panel.
The inner plate 20 of the panel 10 and the inner plate 16 of the side wall panel 5 are supplemented.
The three members are integrally connected via the abuse plate 28, and the ceiling panel
Of the corner side panel 10 between the inner and outer plates 11 and 12
The inner and outer plates 1 between the inner and outer plates 19 and 20 and the side wall side panel 5
Over all areas between 5 and 16 is to employ a uniform heat insulator 27 is formed by <br/> Takashi鎮configuration.

[0009]

According to the wing door having the above structure, the ceiling side panel is provided.
4 between the inner and outer plates 11 and 12 and the corner panel 10
Between the inner and outer plates 19 and 20 and the inner and outer plates 1 of the side wall side panel 5
Since the portions 5 and 16 are connected to each other in a communicating state, and the heat insulating material 27 is uniformly filled over all the internal regions, there is no portion that exchanges heat with the outside air via the voids. , The heat insulation is enhanced. Also, like this inside
In the case of L-shaped wing doors filled with insulation, corners
Part, especially its inner surface, is subject to vibration and impact when opening and closing the wing door.
It is easy to deform and break under a larger load.
It is necessary to reinforce the inner surface of the corner. However,
In the wing door of this invention, the inside of the ceiling side panel 4
Plate 12, inner plate 20 of corner panel 10 and side panel
The inner plate 16 of the screw 5 is integrated with the three members via the reinforcing plate 28.
By being connected, inside the corner of the wing door
Since the surface side is reinforced, it is difficult to deform or break,
Can withstand use.

Further, both the inner and outer plates 11 , 1 of the ceiling side panel 4 are provided.
2 and between the inner and outer plates 19 and 20 of the corner side panel 10
And between the inner and outer plates 15, 16 of the side wall side panel 5
Since the communication state is established, the heat insulating material 27 is
Can be filled in a lump inside Le 4,10,5, follow
Accordingly , the number of steps for filling the heat insulating material 27 can be reduced.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a schematic explanatory view of a refrigerating wing car to which a wing door according to an embodiment of the present invention is applied, and FIG. 2 is a cross-sectional view showing a wing door of the refrigerating wing car in one embodiment of the present invention. .

[0013] In Figures 1 and 2, the ceiling panel 4
Has an outer plate 11 and an inner plate 12 made of, for example, FRP (glass fiber reinforced resin), and the other end 4b corresponding to the hinge portion 6 side is closed by a lid member 13 made of aluminum or the like and having a U-shaped cross section. The lid member 13 is fixed with bolts 14 or the like. 5 is a side wall <br/> panel having one end portion 5a is connected from the orthogonal direction to the end portion 4a of the ceiling panel 4, the side wall panel 5 also, the outer plate 15 and inner plate made of FRP The other end 5b is closed by a lid member 17 made of aluminum or the like and having a U-shaped cross section, and the lid member 17 is fixed by bolts 18 or the like.

10 is a ceiling side panel 4 and a side wall side panel 5
And an outer panel 19 and an inner panel 20 made of , for example, aluminum .
In addition , the outer plate 19 is curved in an arc shape at approximately 90 °, and the inner plate 20 is bent at approximately 90 ° in three folds. Both ends 19a and 19b of the outer plate 19 are respectively provided on the ceiling side panel 4
Are inserted into the inside of the outer plate 11 and the inside of the outer plate 15 of the side wall side panel 5, respectively, and are fixed by bolts 21, 22 and the like. 23 and 24 are the bolts 21 and
2 is made of aluminum or the like. Both ends 20a and 20b of the inner plate 20 of the corner-side panel 10 are inserted into the inside of the inner plate 12 of the ceiling-side panel 4 and the inside of the inner plate 16 of the side-wall-side panel 5 , respectively. , 2
6 and the like. These corner panels 10
Between the inner and outer plates 11 and 12 of the ceiling side panel 4 and the inner and outer plates 15 and 16 of the side panel 5 by the outer plate 19 and the inner plate 20.
Are connected in a communication state.

Thus, between the inner and outer plates 11, 12 of the ceiling side panel 4, and the inner and outer plates 19, 19, of the corner side panel 10 .
The entire area between the inner panels 20 and between the inner and outer plates 15 and 16 of the side wall panel 5 is uniformly filled with a foaming resin 27 such as urethane as a heat insulating material.

In FIG. 2, 28 is the bolt 2
5,26 to a person <br/> Te plate for reinforcement which also serves as a washer provided corresponding, ceiling panel via the reinforcing backing plate 28
4 and the inner plate 20 of the corner side panel 10 and the side
The inner panel 16 of the wall side panel 5 and the three members are integrally connected to each other.
The inside of the wing door corner is reinforced by
You . In this way, the inner side of the corner of the wing door is for reinforcement
Since it is reinforced by the backing plate 28, the corner
The inside of the unit is large due to vibration and impact when opening and closing the wing door
Resists deformation and breakage under load, and is resistant to long-term use
Can be obtained. The 29 pivotally supported via the elastic member 30 and the other end 4b side of the ceiling panel 4 Sentabi -
Numeral 31 is a shock absorbing stopper member which elastically abuts the side surface of the center beam 29 at the closed position of the roof panel 4.

In assembling the wing door,
One end 19a of the outer panel 11 of the ceiling panel 4 and one end 19a of the outer panel 19 of the corner panel 10 are connected and fixed with bolts 21, while the outer panel 15 of the side wall panel 5 is connected to the corner panel 10.
Is connected and fixed to the other end 19b of the outer plate 19 with a bolt 22. Further, the inner plate 12 of the ceiling side panel 4 and the corner side
One end 20a of inner plate 20 of flannel 10 and reinforcing pad 28
Are connected and fixed with bolts 25, while the side wall side panel 5
The inner plate 16 and the other end 20b of the inner plate 20 of the corner side panel 10 are connected and fixed to the reinforcing pad 28 with bolts 26. Finally, the inner and outer plates 11, 1 of the ceiling side panel 4
Between two, between the inner and outer plates 19 , 20 of the corner side panel 10 ,
In addition, a resin core material as a foamable resin may be injected between the inner and outer plates 15 and 16 of the side wall-side panel 5 and foamed and filled.

The foam-filled resin 27 is supplied to the ceiling
In addition to the space between the inner and outer plates 11 and 12 of the side panel 4 and the space between the inner and outer plates 15 and 16 of the side wall panel 5, the corner side panel is also provided.
Since the space between the inner and outer plates 19 and 20 of the flannel 10 is completely filled, an effective heat insulating material is exhibited in the entire area of the wing door 7.

The roof panel 4 and the side panel 5 are
Since the resin core material 27 may be foam-filled in a state where the resin core material 27 is communicated and connected via the corner side panel 10, the number of steps can be reduced by half as compared with the case where the resin core material 27 is foam-filled for each of the panels 4 and 5. .

The ceiling side panel 4 and the side wall side panel 5 are provided via the inner and outer plates 19 and 20 of the corner side panel 10.
Is not limited to the bolts 21, 22, 25, 26 as in the above example, but may be fixed by welding, an engagement structure, or the like.

The heat insulating material is not limited to the foamable resin 27, and other materials can be used as appropriate.

[0022]

[Effect of the Invention] As described above, according to the present invention, the ceiling side
Between the inner and outer panels of the panel and between the inner and outer panels of the corner panel
And the inner and outer panels of the side wall panel are in communication with each other.
And a uniform cut across all these internal areas.
Heat exchanged with outside air through vacant spaces because it is filled with heat
The part to be removed is eliminated, and the heat insulating property is enhanced . In addition
According to the plan, the inner panel of the ceiling panel and the corner panel
The inner plate and the inner plate of the side wall panel are connected by a reinforcing plate.
By being integrally connected, the corner of the wing door
-The inner surface of the corner is reinforced, so the inner surface of the corner
Received a heavy load due to vibration and impact when opening and closing the wing door
Hardly deforms or breaks, and can withstand long-term use
it can. Also, between the inner and outer panels of the ceiling side panel, and the corner
Between the inner and outer plates of the side panel and between the inner and outer plates of the side wall panel
Are in communication with each other, so that the work of filling the heat insulating material is performed only once, and the number of steps can be reduced.

[Brief description of the drawings]

FIG. 1 is a schematic illustration of a refrigerated wing vehicle to which a wing door according to an embodiment of the present invention is applied.

FIG. 2 is a cross-sectional view showing a wing door of the frozen wing vehicle in the embodiment.

FIG. 3 is a cross-sectional view showing a wing door of a conventional frozen wing car.

[Explanation of symbols]

4 (4A, 4B) Roof panel 5 (5A, 5B) Side panel 10 Corner side panel 11 Ceiling side panel outer panel 12 Ceiling side panel inner panel 15 Side wall side panel outer panel 16 Side wall side panel inner panel 19 corner Side panel outer plate 20 Corner side panel inner plate 27 Insulation material 28 Reinforcement patch

Claims (1)

(57) [Scope of request for utility model registration] 1. A ceiling panel, a corner panel, and a side wall.
Side panels, and the adjacent ends of the inner and outer plates of each panel
It is connected to each other, and the inner panel of the ceiling panel and the corner
-The inner plate of the side panel and the inner plate of the side wall side panel are reinforcing plates
The inside and outside of the ceiling panel are connected together
Between the inner and outer panels of the corner side panel and of the side wall side panel
Insulation material is uniformly filled over the entire area between the inner and outer plates
A frozen wing door characterized by being made .