JPS61165575A - Heat-insulating box body - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a heat insulating box body equipped with a table attached to the top surface of an outer box.

2. Description of the Related Art Conventionally, this type of insulating box body has an outer box &
A table b forming the outline of an outer box a, an inner box C, and a box body d were formed. The box d was formed by foaming a heat insulating material f into the space between the outer box a and the inner box C on site through an injection hole e provided on the back surface of the outer box a to form a heat insulating box q. Immediately after the heat insulating material f is in liquid form and is injected through the injection hole e, the injection hole e is covered with a shot hole cap h. The shot hole cap h is formed by foaming the heat insulating material f, and prevents the heat insulating material f from leaking from the injection hole e to the injection hole 0 part.

Problems to be Solved by the Invention However, in the above configuration, since the shot hole cap h is separate, a storage location is required.

Further, after injection, the shot hole cap must be taken out and fitted, resulting in poor workability.

In view of the above-mentioned problems, it is an object of the present invention to improve workability without requiring the stocking of 7-hole canopies, and to utilize jut-hole caps as handles when transporting refrigerators.

Means for Solving the Problems In order to solve the above-mentioned problems, the present invention provides a shot hole cap integrally with the table attached to the top surface of the outer box, and this shot hole cap has a hollow shape that protrudes outward. In addition to providing a protrusion, a fin with a hole protruding toward the space side of both boxes is provided.

Effect: With the above-described structure, the present invention has a heat insulating material filled in the hollow of the shot hole cap to strengthen the protrusion, and also fills the hole in the fin with the heat insulating material to prevent the fin from pulling out outward. It will be done. Furthermore, since the seat nozzle cap is formed integrally with the table, no storage space is required.Example An example of the present invention will be described below with reference to the accompanying drawings.

In Figures 1 to 4, 1 is an insulated box body consisting of an inner box 2, an outer box 3, and a table 4 forming the top surface of the outer box 3, and a space between the inner box 2, outer box 3, and table 4. The portion is filled with a foamed heat insulating material 5. An injection hole 6 for a heat insulating material 6 is provided in the upper part of the back surface of the outer box 3. The table 4 is made of synthetic resin, and a shot hole cap 8 is formed on the back surface of the table 4 so that it can be folded back freely at a hinge section 7.

This shot hole cap 8 includes a claw 9 fitted into the outer periphery of the injection hole 6, a flange 10 that covers the entire periphery of the injection hole 6, and a hollow protrusion 11' projecting backward from the flange 10. Furthermore, a fin 12 that projects toward the space formed by both boxes 2.3 on the opposite side to the protrusion 11 is integrally provided with a lower surface having an arc.

The reason why the lower surface of this fin 12 is arcuate is to prevent the shot hole cap 8 from coming into contact with the lower end side of the injection hole 6 when it is rotated about the needle portion 7. Further, a hole 13 is formed in the fin 12.

In such a device, a box body is formed by an outer box 3 and a table 4 forming a contour of the outer box 3, and an inner box 2 is inserted and fixed into the box body. Then, the undiluted solution of the heat insulating material 6 is injected into the box body, the inner box 2, and the space through the injection hole 6 provided at the top of the back of the outer box 3, and immediately after that, a shot hole cap 8 formed integrally with the table 4 is injected. Cover the injection hole 6 with. The raw solution is foamed and filled into the space to form the heat insulating box 1. In the above working order, since the shot hole camp 8 is formed integrally with the table 4, its position is fixed, and the shot hole cap 8 can be automatically fitted after injection of the stock solution.

The foamed heat insulating material 5 fills the space and finally reaches the 7th hole cap 8 section. In order to fill the space provided by the protrusion 11 of the shot hole camp 8 with the heat insulating material 6, the pressure of the insulating material 5 on the gap between the injection hole e and the 7 flange 1o is relieved.
Leakage of the heat insulating material 6 can be prevented. Furthermore, since the protrusion 11 is filled with a heat insulating material, a strong protrusion 11 can be obtained, and will not be deformed even when used as a handle during transportation. Also, fin 12
Since the hole 13 of the hole 13 is filled with the heat insulating material 5, the
2 is to prevent the shot hole cap 8 from coming off from the injection hole 6, so that the shot hole cap 8 will not come off when used as a handle.

Effects of the Invention As is clear from the above description, the present invention forms the shot hole cap integrally with the table, thereby eliminating the need for a storage area for the shot hole cap, saving space in the factory, and making it possible to save space in the factory. There is no need to take out the cap.9 Work efficiency is improved. Also,
Since the hollow part of the protrusion is also filled with heat insulating material, it can ensure strength even when used as a handle. Furthermore, the holes in the fins are also filled with insulating material, so the fins act as a stopper for removing the shot hole cap.

[Brief explanation of the drawing]

Fig. 1 is a sectional view of a heat insulating box showing an embodiment of the present invention, Fig. 2 is a perspective view of Fig. 1, Fig. 3 is a sectional view of the main part of Fig. 1, and Fig. 4 is a main part of the main part of Fig. 1. FIG. 5 is a sectional view of a conventional heat insulating box. 4...Table, 6...Injection hole, 7.
...Hinge, 8...Shot hole cap, 1o...Flange, 11'...
・Hollow shape, 11...protrusion, 12...fin, 13...hole. Name of agent: Patent attorney Toshio Nakao and 1 other person No. 1
Figure vIZ diagram

Claims (1)

[Claims] (1) Consisting of an inner box, an outer box, an injection hole for foam insulation material provided on the back of the outer box, a table attached to the top of the outer box, and an insulation material filled between the two boxes. , the table is made of synthetic resin, one part of which is folded freely with a hinge, and has a hollow protrusion protruding outward and a hole protruding toward the space between the boxes. A heat insulating box body equipped with a shot hole cap having provided fins.