JP2017200809A - Stopper structure of slide door of cooling container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a strength of a cooling container with a simple structure at low cost.SOLUTION: A stopper structure of a slide door that is formed of a container body having an opening formed of a wall body containing a heat-insulating material and a resin frame positioned at a peripheral edge of the wall body, and a cooling container 1 having an opening/cooling door 40 that blocks so as to open/close an opening X of the container body and acts as a slide door, which includes a restriction portion 54 that is fixed to inside of the container body and restricts movement of the slide door in a direction of opening the opening X, where the restriction portion 54 has a stopper member 54a having a contact surface 54a1 facing the opening/closing door 40 when viewed from the movement direction of the opening/closing door 40, and a plate-like support member 54b that supports the stopper member 54a, abuts on each of a frame 52a of a side wall panel 50 and a ceiling panel 30 of the container body, and is bent or curved so as to correspond to each of the abutting surfaces.SELECTED DRAWING: Figure 4

Description

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

  FIG. 6 is a side view showing a configuration of a freight vehicle equipped with a conventional cold storage container. As shown in FIG. 6, 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.

  The present invention has been made in view of the above-described problems, and an object of the present invention is to provide a stopper structure for a sliding door of a cold insulated container that can be increased in strength with a simple structure and at low cost.

  To achieve the above object, according to a first aspect of the present invention, there is provided a container main body having an opening made up of a wall body including a heat insulating material and a resin frame positioned on the periphery of the wall body, and the container. A cold storage container having a sliding door that closes the opening of the main body so as to be openable and closable, and is a stopper structure for the sliding door, which is fixed to the inside of the container main body and moves in a direction in which the sliding door opens the opening. The regulating means includes a stopper member having a contact surface facing the sliding door when viewed from the movement direction of the sliding door, and supports the stopper member, and the inner wall and ceiling of the container body And a plate-like support member that is bent or curved corresponding to the contact surface with the inner wall and the ceiling. It is a stopper structure of the slide door.

  As another aspect of the present invention, the support member may be fixed to the frame as the inner wall of the container body and the wall body as the ceiling of the container body.

  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. Sectional view along line CC in FIG. The perspective view which shows the structure of the support member of the stopper structure which concerns on embodiment of this invention 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. However, FIG. 3 shows a state in which an opening / closing door 40 (described later), which is shown by a dotted line in the drawing, is opened in correspondence with FIG.

  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.

  Each side of the front wall panel 10, the side wall panel 50, the ceiling panel 30, and the floor panel 70 forms an opening X that allows the internal space of the cold container 1 to communicate with the outside, and the opening is a wall of the cold container 1. It is closed by an opening / closing door 40 as a part of the body so as to be opened and closed. The open / close door 40 is configured as a slide door that is opened and closed by operating the handle 40a, and is placed on a support member 71 provided adjacent to the floor panel 70 and provided on the surface of the side wall panel 50. It is provided along the groove 50a and the upper side of the side wall panel 50, and is movably connected along a guide rail 31 fixed on the ceiling panel 30 via a guide arm 44 described later, so that the vehicle length direction It is opened and closed along. 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, with reference to FIG. 4, the configuration in the vicinity of the side edges of the open / close door 40 and the side wall panel 50 in the cold container 1 will be described. However, FIG. 4 is a cross-sectional view of the main part taken along the line C-C in FIG. 3 and shows a state in which the open / close door 40 is opened.

  As shown in FIG. 4, the opening / closing door 40 and the side wall panel 50 at the time of opening are such that the front end of the opening / closing door 40 and the front end of the side wall panel 50 face each other in the direction along the vehicle length direction. The plate 41b corresponding to the inner wall of the side wall and the plate 51a corresponding to the outer wall of the side wall panel 50 are arranged to face each other.

  On the surface of the frame 42a of the opening / closing door 40 adjacent to the plate 41a, there are provided an arm base 44a, a roller bracket 44b fastened and fixed to the arm base 81 with bolts, and a roller 44c attached to the tip of the roller bracket. A guide arm 44 is provided. The guide arm 44 and the open / close door 40 are fixed by fastening the arm base 44a to the frame 42a with bolts 44x.

  The roller bracket 44b extends from the inner wall side of the opening / closing door 40 to the inside of the cold container 1 and the roller 44c attached to the tip of the roller bracket 44b is positioned in the guide rail 31 fixed to the ceiling panel 30. , Arranged to be rotatable.

  Next, with respect to the side wall panel 50 side, a weather strip 90 is attached to the front end of the pillar end portion 52a1 located on the side overlapping the main surface of the frame 42b of the opening / closing door 40 in the frame 52a located at the front end. . In a state where the opening / closing door 40 closes the opening X, the weather strip 90 is pressed against the main surface of the frame 42b located at the rear end of the opening / closing door 40 (not shown). Thereby, the clearance gap between the opening-and-closing door 40 and the side wall panel 50 is sealed, and the inflow of the external air into the cold insulated container 1 is suppressed.

  The frame 52 extends from the inner wall side of the side wall panel 50 to the inside of the cold container 1 corresponding to the roller bracket 44b of the open / close door 40, and supports the stopper member 54a and the stopper member 54a on the surface. A restricting portion 54 including a support member 54b is disposed.

  In the restricting portion 54, the stopper member 54 a is a synthetic rubber or the like disposed with the contact surface 54 a 1 facing the roller bracket 44 b of the guide arm 44 along the opening / closing direction of the opening / closing door 40 indicated by arrow D in the drawing. It is an external columnar or cone-shaped member made of a soft resin. The support member 54b is a means for positioning and fixing the stopper member 54a with respect to the roller bracket 44b, and is created by bending a metal plate such as a steel plate.

  As shown in the perspective view of FIG. 5, the support member 54b includes a flat plate-like first contact portion 54b1 that makes contact with the frame 52a of the side wall panel 50 and a vehicle height direction from the first contact portion 54b1. Is bent in a direction perpendicular to the vehicle width direction with a fold line as a fold line, and a flat plate-like fixing portion 54b2 to which the stopper member 54a is directly fixed and a vehicle length direction from the first contact portion 54b1 as a fold line. It is bent in a direction orthogonal to the width direction, and is partitioned into a flat plate-like second contact portion 54b3 that contacts the ceiling panel 30 substantially in parallel.

  The support member 54b is fixed to the side wall panel 50 by the first contact portion 54b1 being fastened to the frame 52a by the bolt 54x, and the second contact portion 54b3 is fastened to the ceiling panel 30 by the bolt 54y. Fixed to. The fixing portion 54b2 and the stopper member 54a are fixed by fitting the stopper member 54a into a through hole or slit provided in the fixing portion 54b2. In addition, in FIG. 5, it showed as an aspect fitted to a through-hole.

  In the above configuration, the cold insulated container 1 excluding the opening / closing door 40 corresponds to the container body of the present invention, and the opening / closing door 40 corresponds to the sliding door of the present invention. In the side wall panel 50, the combination of the plates 51a and 51b and the heat insulating material 53 corresponds to the wall body of the present invention, the heat insulating material 53 corresponds to the heat insulating material of the present invention, and the frames 52a and 52b correspond to the frame of the present invention. The same applies to the plate, the heat insulating material, and the frame in the front wall panel 10, the ceiling panel 30, and other panels. Further, the restricting portion 54 corresponds to the restricting means of the present invention, the stopper member 54a corresponds to the stopper member of the present invention, the support member 54b corresponds to the support member of the present invention, and the contact surface 54a1 corresponds to the contact surface of the present invention. To do.

  The stopper structure of the slide door of the cold insulated container according to the embodiment of the present invention having such a configuration is such that the support member 54b is against the inner wall of the container main body in the restricting portion 54 that restricts excessive opening of the open / close door 40. It is characterized by being fixed over both the side wall and the ceiling.

  A description will be given below. The basic operation of the restricting unit 54 is as follows. That is, the open / close door 40 that is a sliding door moves along the recessed groove 50a of the side wall panel 50 and the guide rail 31 of the ceiling panel 30, but as shown in FIGS. When moving a certain distance or more, the roller bracket 44b of the guide arm 44 interferes with the contact surface 54a1 of the stopper member 54a of the restricting portion 54, and further movement is restricted.

  In the present embodiment, the support member 54b that supports the stopper member 54a is fixed to the side wall panel 50 by the first contact portion 54b1 and to the ceiling panel 30 by the second contact portion 54b3, thereby opening and closing the door. The panel 40 absorbs an impact when 40 comes into contact with the stopper member 54a, and works as a fascia for bridging and fixing the side wall panel 50 and the ceiling panel 30.

  Thereby, the regulation part 54 can also serve as reinforcement of the container main body of the cold storage container 1 while restrict | limiting excessive opening of the opening / closing door 40, and does not require the structure for reinforcing the cold storage container 1 separately. It is possible to increase the strength of the cold container with a simple structure and low cost.

  In the above description, the support member 54b has a mode in which the first contact portion 54b1 and the second contact portion 54b3 bend substantially orthogonally. What is necessary is just to contact | abut and fix to an inner wall, respectively, It is not limited to another aspect. Therefore, the first contact portion 54b1 and the second contact portion 54b3 may be curved.

  In the above description, the first contact portion 54b1 is fixed on the frame 52b of the side wall panel 50, and the second contact portion 54b3 is fixed on the ceiling panel 30. The fixed position may be either or both of the wall body and the frame of the present invention.

  Further, in the above description, a cold storage container of a truck is taken as an example. However, the sliding door stopper structure of the cold storage container of the present invention is implemented in a cold storage container mounted on an arbitrary transportation device such as a train ship. May be.

  As described above, the present invention provides a container body having an opening composed of a wall body including a heat insulating material and a resin frame positioned at the periphery of the wall body, and the opening of the container body is closed so as to be openable and closable. A cold storage container having a sliding door, the stopper structure of the sliding door, comprising a regulating means fixed inside the container body and regulating movement of the sliding door in a direction to open the opening, The restricting means includes a stopper member having a contact surface facing the sliding door as viewed from the moving direction of the sliding door, and supports the stopper member, and abuts against the inner wall and the ceiling of the container body, respectively, What is necessary is just to have a plate-like support member that is bent or curved corresponding to the contact surface with the ceiling, other specific purposes, Applications are not intended to be 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 31 Guide rail 40 Opening / closing door 40a Handle 44 Guide arm 44a, 81 Arm base 44b Roller bracket 44c Roller 44x, 54x, 54y Bolt 50, 60 Side wall panel 50a Concave groove 52a1 Pillar end portion 54 Restriction portion 54a Stopper member 54b, 71 Support member 54a1 Contact surface 54b1 First contact portion 54b2 Fixing portion 54b3 Second contact portion 70 Floor panel 90 Weather strip

Claims (1)

A container main body having an opening composed of a wall body including a heat insulating material and a resin frame located at the periphery of the wall body, and a cold insulated container having a slide door that closes the opening of the container main body so as to be openable and closable. A stopper structure for the sliding door,
A regulation means that is fixed to the inside of the container body and regulates movement of the sliding door in a direction to open the opening;
The regulating means is
A stopper member having a contact surface facing the sliding door as seen from the direction of movement of the sliding door;
A plate-like support member that supports the stopper member, abuts on the inner wall and the ceiling of the container body, and is bent or curved corresponding to the abutting surfaces of the inner wall and the ceiling.
Stopper structure for sliding doors of cold storage containers.

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