JP2017203567A - Support structure of slide door of cold insulation container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a support structure of a slide door of a cold insulation container which can enhance rigidity by a simple structure and at a low cost.SOLUTION: In a support structure of a slide door of a cold insulation container having a container main body which is constituted of a plurality of panels and has an opening, and an opening/closing door as the slide door for blocking the opening of the container main body so as to be openable and closable, the opening of the container main body is formed of a combination of edges of a front wall panel 10, a sidewall panel and a ceiling panel, and a surface of a support member 71 which is fixed immediately below a floor face panel 70 of the cold insulation container, and has a surface of a door placing part 71a for placing an opening/closing door thereon. The support member 71 has external appearance having a substantially U shape in a cross section in a fore-and-aft direction of a vehicle, and a surface including the surface of the door placing part 71a of the support member 71 is bent toward a direction in which the support member becomes substantially parallel to the front wall panel 10 as a wall body of the cold insulation container, and forms an apex angle of the opening together with the surface of the door placing part 71a.SELECTED DRAWING: Figure 4

Description

  The present invention relates to a support structure for a sliding door of a cold storage container for a truck or other vehicle or transportation equipment.

  FIG. 5 is a side view showing the configuration of a freight vehicle equipped with a conventional cold storage container. As shown in FIG. 5, the truck 100 includes a cold storage container 130 placed on a loading platform 120 provided behind the cab 110. The cold insulation container 130 has a box-shaped outer shape constituted by a panel having heat insulation performance and a frame disposed between the orthogonal panels, and the panel is a metal such as aluminum constituting the outer wall and the inner wall of the cold insulation container 130. It is comprised from a pair of made plates, and the heat insulating material arrange | positioned between an inner wall and an outer wall. In addition, as the heat insulating material, a foamed resin such as polyurethane filled in a gap between a pair of opposed plates or a member such as a plate-like foam polystyrene that is surface-bonded to the plate corresponding to the shape of the plate is used (for example, (See Patent Documents 1 and 2).

Japanese Utility Model Publication No. 61-161139 Japanese Utility Model Publication No. 7-2180

  The conventional cold container has the following problems. That is, the cold storage container 130 forms a wall body by integrating the panel and the frame, and forms a box-shaped container body by joining the edges of the wall bodies or joining the main surface and the edges of the wall bodies. Because it contains heat insulating material, the strength of the container body has been lowered. On the other hand, providing a reinforcing material for reinforcing the container main body has led to a complicated configuration of the cold container 130 and an increase in cost.

  This invention is made | formed in view of said subject, and it aims at providing the support structure of the slide door of the cold storage container which can raise intensity | strength at a simple structure and low cost.

  In order to achieve the above object, according to a first aspect of the present invention, there is provided a container main body having an opening and a sliding door configured to be capable of opening and closing the opening of the container main body. The sliding door support structure of the cold insulated container, wherein the opening of the container body has the panel forming the wall of the cold insulated container and the respective edges of the panel forming the ceiling of the cold insulated container; It is fixed immediately below the panel forming the floor surface of the cold storage container, and is formed by a combination with the mounting surface described above of a supporting member having a mounting surface on which the slide door is mounted, A cross-section along the front-rear direction of the vehicle has a substantially U-shaped outer shape, and a surface including the mounting surface of the support member is substantially parallel to the wall body of the cold container. With the mounting surface before bent in can form an apex angle of the opening, a supporting structure of the slide door of refrigerated containers.

  As another aspect of the present invention, a guide rail that restricts the movement of the slide door may be fixed to the back surface of the contact surface of the support member with the floor panel.

  The present invention as described above has an effect that the strength of the cold container can be increased with a simple structure and low cost.

The side view which shows the structure of the cold storage container which concerns on embodiment of this invention Sectional view along line AA in FIG. Sectional view along line BB in FIG. The perspective view containing the figure which shows the cross section by CC line of FIG. Side view showing the structure of a conventional truck equipped with a cold container

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  FIG. 1 is a side view showing a configuration of a cold storage container according to an embodiment of the present invention, FIG. 2 is a plan view of the cold storage container shown by a cross section along line AA in FIG. 1, and FIG. FIG. 3 is a side view of the cold insulation container shown by a cross section taken along line B-B in FIG. 2.

  As shown in each figure, the cold insulation container 1 includes a front wall panel 10 disposed on the front side along the vehicle length direction, a pair disposed rearward along the vehicle length direction and parallel to the front wall panel 10. Rear wall panel 20, side wall panel 60 extending along the vehicle length direction and joined to the right end of front wall panel 10 and rear wall panel 20, and joined to one end of rear wall panel 20 and in the vehicle length direction The side wall panel 50 is provided so as to extend parallel to the side wall panel 60 and to be spaced apart from the left end of the front wall panel 10.

  Furthermore, the cold container 1 includes a front panel 10, a rear panel 20, a side panel 60 and a ceiling panel 30 and a floor panel 70 that are joined to the upper and lower sides of the side panel 50, respectively, and is surrounded by each panel. Contain the load in the space.

  Further, the edges of the front wall panel 10, the side wall panel 50, and the ceiling panel 30 form an opening X that allows the internal space of the cold container 1 to communicate with the outside together with a support member 71 described later. It is closed so that it can be opened and closed by an opening / closing door 40 as a part of the wall. The opening / closing door 40 is configured as a sliding door that is opened and closed by the operation of the handle 40a, and is a support member provided adjacent to the floor panel 70 along the vehicle width direction and partially extending below the floor panel 70. The opening X is closed in a state where it is placed on 71, and it moves on the door placement portion 71 a of the support member 71 by rolling of a roller (not shown). Note that the surface of the door placement portion 71 a forms an opening X together with the edges of the front wall panel 10, the side wall panel 50, and the ceiling panel 30.

  Further, below the opening / closing door 40, a guide roller 91 fixed to the opening / closing door 40 so as to be rotatable on a surface parallel to the surface of the door mounting portion 71 a is disposed via the bracket 90. Yes. The guide roller 91 is located in a guide rail 80 provided below the support member 71, and connects the floor panel 70 and the opening / closing door 40 so as to be movable along the guide rail 80.

  Furthermore, the open / close door 40 is movably coupled along a concave groove 50 a provided on the surface of the side wall panel 50. With the above configuration, the open / close door 40 is opened and closed along the vehicle length direction.

  The pair of rear wall panels 20 are also connected to the side wall panels 50 and 60 via hinges so as to function as double doors, so that the internal space of the cold container 1 can communicate with the outside.

  The front wall panel 10 is made of metal plates 11a and 11b serving as outer and inner walls, a heat insulating material 13 positioned in the gap between the plates 11a and 11b, and a resin-made resin positioned at both ends of the plates 11a and 11b and the heat insulating material 13. It consists of frames 12a and 12b. In addition, as the heat insulating material 13, the foamed resin with which the clearance gap between the plates 11a and 11b is filled is illustrated like a conventional example.

  Similarly, the side wall panel 60 is composed of plates 61a and 61b, a heat insulating material 63, and frames 62a and 62b. The side wall panel 60 is composed of plates 61a and 61b, heat insulating material 63, and frames 62a and 62b. 20 includes plates 21a and 21b, heat insulating material 23, and frames 22a and 22b. Side wall panel 50 includes plates 51a and 51b, heat insulating material 53, and frames 52a and 52b. Opening / closing door 40 includes plates 41a and 41b. , The heat insulating material 43, and the frames 42a and 42b. In addition, although a code | symbol and detailed description are abbreviate | omitted, the ceiling panel 30 and the floor surface panel 70 also have the structure similar to said each panel.

  Next, the configuration in the vicinity of the support member 71 and the floor panel 70 in the opening X of the cold container 1 will be described with reference to FIG. 4 is a perspective view including a cross-sectional view taken along the line CC in FIG. 3 and shows a state in which the open / close door 40 is opened.

  As shown in FIG. 4, a part of the floor panel 70 is cut out along the vehicle width direction and the vehicle length direction, and a support member 71 is disposed in the cut portion. The support member 71 is a plate member made of steel or other metal, and is adjacent to the floor panel 70 and is exposed from a door placement portion 71a that exposes the surface as a placement surface, and a door placement portion 71a. A floor surface contact portion 71b that extends along the vehicle width direction inside the cold container 1 and folds outward to contact the lower surface of the floor panel 70, and a vehicle height direction from the vehicle length direction front end of the door placement portion 71a The front wall side abutting portion 71c that is bent toward the front wall panel 10 and abuts against the end surface of the floor panel 70 that is flush with the front wall panel 10, and the vehicle width direction from the vehicle width direction outside of the front wall side abutting portion 71c It is partitioned into a side facing portion 71d that bends forward and faces the end surface 70x of the floor panel 70.

  The door placement portion 71a and the floor surface abutting portion 71b have a U-shape as shown in a region S in the figure when viewed in the vehicle length direction. The door placement portion 71a and the floor contact portion 71b are disposed within a step formed by partially cutting the floor panel 70 along the vehicle height direction. A guide rail 80 that accommodates the guide roller 91 of the open / close door 40 is disposed in the internal space sandwiched by 71b. The outer edge of the cold storage container 1 of the door placement portion 71a is folded back in a U-shaped cross section and placed on the surface 120a of the loading platform 120 of the truck 100. The shape of the edge is However, the present invention is not limited to this and may be in any form.

  Further, the front wall side abutting portion 71c is fixed by being fastened to the end surface of the floor panel 70 which is a blind spot in the figure by a bolt 71x. Further, the side facing portion 71d is sandwiched between an end surface 70x of the floor panel 70 and a frame body 72 indicated by a broken line in the drawing. The frame body 72 has a substantially square-shaped planar shape, and the front wall panel 10, the ceiling panel 30, and the floor panel 70 are integrated along the contour of the front wall panel 10 in the front in the vehicle length direction. It is a member fixed to. Similarly, at the rear in the vehicle length direction, the pair of rear wall panels 20, the ceiling panel 30, and the floor panel 70 are integrally formed along the outline of the pair of rear wall panels 20. A frame body is provided for fixing to the frame.

  However, in FIGS. 1-3, the display of the frame 72 and the frame body back in the vehicle length direction is omitted. Furthermore, the floor panel 70, the side facing portion 71d, and the frame body 72 are fastened and fixed by bolts 73y by a plane-like substantially L-shaped connecting member 73 fastened and fixed to the loading platform 120 by bolts 73x. The bolt 73y may be configured to fasten and fix only the connecting member 73, the side facing portion 71d, and the frame body 72.

  In the above configuration, the cold container 1 excluding the opening / closing door 40 corresponds to the container body of the present invention, the opening X corresponds to the opening of the present invention, and the opening / closing door 40 corresponds to the sliding door of the present invention. In the front wall panel 10, the combination of the plates 11a and 11b and the heat insulating material 13 corresponds to the wall body of the present invention, the heat insulating material 13 corresponds to the heat insulating material of the present invention, and the frames 12a and 12b correspond to the frame of the present invention. Correspondingly, the plate, the heat insulating material, and the frame in the side wall panel 50, the ceiling panel 30, and other panels have the same correspondence. Further, the front wall panel 10 and the side wall panel 50 correspond to the panel forming the wall of the cold insulated container of the present invention, the ceiling panel 30 corresponds to the panel forming the ceiling of the cold insulated container of the present invention, and the floor panel 70 is the main panel. It corresponds to a panel forming the floor surface of the cold insulated container of the invention. Further, the support member 71 corresponds to the support member of the present invention, the surface of the door mounting portion 71a of the support member 71 corresponds to the mounting surface of the present invention, and the surface of the front wall side contact portion 71c is the present invention. This corresponds to a surface bent in a direction substantially parallel to the wall body.

  The support structure of the slide door of the cold storage container according to the embodiment of the present invention having such a configuration includes the support member 71 on which the opening / closing door 40 is placed and forms a part of the opening X. The inner wall of the container body is bent from the floor panel 70 and formed parallel to the front wall panel 10 to form a part of the apex angle of the opening X, and the cross-sectional shape when viewed in the vehicle length direction is It has a character shape.

  That is, in the present embodiment, the support member 71 extends from the surface of the door placement portion 71a, and the bent front wall side contact portion 71c surface and the door placement portion 71a surface are the apex angles of the opening X. By forming the shape, the strength around the opening X can be improved, and the shape of the opening X can be accurately maintained against an impact when the opening / closing door 40 is opened / closed.

  Further, the support member 71 has a U-shaped cross-section when viewed in the vehicle length direction, thereby supporting the weight of the floor panel 70 and reinforcing the floor panel 70.

  Thereby, the support member 71 can maintain the regularity of the opening X together with the reinforcement of the container body of the cold container 1, and does not require a separate structure for reinforcing the cold container 1, and has a simple structure. And it becomes possible to raise the intensity | strength of a cold storage container at low cost.

  Further, in the present embodiment, the opening X of the cold insulation container 1 is formed by the front wall panel 10, the side wall panel 50, the edge of the ceiling panel 30 and the surface of the door placement portion 71 a of the support member 71. As a result, the periphery of the opening X is constituted by a frame or a plate constituting each panel. The opening can be realized with a simple structure, and the position of each panel can be obtained by including the support member 71. The shape of the opening X can be accurately finished by compensating for the deviation.

  Further, in the present embodiment, the side facing portion 71d is fixed to the front wall panel 10 via the frame body 72, so that the support member 71 bridges the front wall panel 10 and the floor panel 70. Fix it. Thereby, the influence of the distortion added to a container main body can be reduced, and it becomes possible to keep the external shape of the cold storage container 1 favorable.

  Further, in the present embodiment, the guide rail 80 is arranged in the internal space sandwiched between the door placement portion 71a and the floor contact portion 71b of the support member 71, so that the rail The part can be easily cleaned, and the maintainability of the cold container can be improved.

  In the above description, the support member 71 has a mode in which the door placement portion 71a and the front wall side contact portion 71c are bent substantially orthogonally, but the support member of the present invention is a support member. As long as the surface including the mounting surface is bent in a direction substantially parallel to the wall body to form the apex angle of the opening together with the mounting surface, the surface is not limited to other modes. Therefore, the space between the surface of the door placement portion 71a and the front wall side contact portion 71c may be gently curved.

  In the above description, the front wall side contact portion 71c is fixed on the frame 12a of the front wall panel 10 and the floor surface contact portion 71b is fixed on the floor surface panel 70. The fixed position of the contact portion may be either or both of the wall body and the frame of the present invention. The side facing portion 71d may be omitted.

  In the above description, a cold container for a truck is taken as an example. However, the support structure for a slide door of the cold container according to the present invention is implemented in a cold container mounted on an arbitrary transport device such as a train ship. May be.

  As described above, the present invention provides the sliding door of a cold storage container having a container main body having an opening and a sliding door that closes the opening of the container main body so as to be openable and closable, which includes a plurality of panels including a heat insulating material. The opening of the container body has the panel forming the wall of the cold insulated container and the respective edges of the panel forming the ceiling of the cold insulated container and the floor forming the floor of the cold insulated container. A cross section along the front-rear direction of the vehicle is formed in combination with the mounting surface described above of a supporting member that is fixed immediately below the panel and has a mounting surface on which the slide door is mounted. A surface having a substantially U-shaped outer shape and including the placement surface of the support member is bent in a direction substantially parallel to the wall body of the cold storage container, As long as it forms a vertical angle of the opening to be, other specific purposes, applications, but is not limited by the configuration.

  Therefore, the present invention may be implemented by adding various modifications to the above embodiment, including those described above, as long as they do not depart from the spirit of the present invention.

  The present invention as described above has an effect that it is possible to increase the strength of the cold storage container with a simple structure and low cost, and is useful in application to, for example, a truck.

DESCRIPTION OF SYMBOLS 1 Cold storage container 10 Front wall panel 11a, 11b, 21a, 21b, 41a, 41b, 51a, 51b, 61a, 61b Plate 12a, 12b, 22a, 22b, 42a, 42b, 52a, 52b, 62a, 62b Frame 13, 23 , 43, 53, 63 Heat insulating material 20 Rear wall panel 30 Ceiling panel 40 Open / close door 40a Handle 50, 60 Side wall panel 50a Groove 71 Support member 70 Floor panel 71a Door placement portion 71b Floor surface contact portion 71c Front wall side Abutting portion 71d Side facing portions 71x, 73x, 73y Bolt 72 Frame 73 Connecting member 80 Guide rail 90 Bracket 91 Guide roller 120 Loading platform 120a Surface

Claims (1)

A support structure for the slide door of a cold storage container having a container main body having an opening and a slide door that closes the opening of the container main body so as to be openable and closable, comprising a plurality of panels including a heat insulating material,
The opening of the container body is
The panel forming the wall of the cold container and the respective edges of the panel forming the ceiling of the cold container;
It is fixed immediately below the panel forming the floor surface of the cold storage container, and is formed by a combination with the mounting surface described above of a support member having a mounting surface on which the slide door is mounted,
The support member has a substantially U-shaped cross section along the longitudinal direction of the vehicle,
The surface including the placement surface of the support member is bent in a direction substantially parallel to the wall body of the cold container, and forms the apex angle of the opening together with the placement surface.
Support structure for sliding door of cold storage container.

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