JPH05106960A - Open chow case - Google Patents

Abstract

PURPOSE:To facilitate mounting of a transparent fence body to an upper end face of a rising part of a body case by connecting the fence body with the body case through a plurality of cylindrical pins. CONSTITUTION:A cold air circulation type showcase has an opening on the top of a body case thereof and a cold air circulation path formed below the opening in such a way as to go round in the case. On an upper end face of a rising part 2 of the body case's outer housing front, a fence body 6 is provided to prevent a suction opening for cold air current from being closed by customers' hands or clothes, etc. In this case, a pair of cylindrical pins 8 on the right and left with resilient, triangular protrusions 8a on the upper outer periphery thereof are secured into fitting holes made in the rising part 2 of the outer housing. On the other hand, the fence body 6 is provided with fitting holes 61 for the pins 8. The protrusions 8a are engaged with step 61a in the fitting holes 61 thus to prevent them from coming off.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an open showcase in which a compartment is formed inside a main body case having a U-shaped cross section, and a fence plate is provided on an upper end surface of a front rising portion of the main body case.

[0002]

2. Description of the Related Art A main body case is formed, for example, in a generally U-shaped cross-section with a product outlet opening on the upper surface, and a cool air circulation path is provided in the main body case around the interior formed below the product outlet. A cold air circulation type open showcase that cools and circulates air and forms a cold air curtain at the product outlet by this cold air flow is already well known. In this open showcase, the front rising portion of the main body case is constructed as shown in FIG. In the figure, a main body case 1 is composed of an outer box 2 and an inner box 3 which are heat insulating walls, a cold air circulation path 4 is formed between the outer box 2 and the inner box 3, and an upper end of the inner box 3 is an outer wall. The suction port 4a is formed by being bent toward the box and provided with a number of holes. The body case 1 has an upper surface opened to form a product outlet 1a and an inner box 3
The inside 5 is formed inside. On the upper end surface of the rising portion 2 of the outer box, a fence plate 6 which is a horizontally long strip and is made of a transparent flat plate is installed. The fence plate 6 is inserted and supported in the groove of the mounting rail 7 formed by extrusion molding of aluminum and fixed to the rising portion 2, and the frame member 8 fitted to both left and right end portions and the upper end portion is screwed to the mounting rail 7. It is fixed by doing. Reference numeral 11 is a decorative panel. FIG. 6 shows another conventional example in which the fence plate 6 is fixed. In this case, the mounting rail 7 is formed by sheet metal working into two parts in front and back instead of extrusion molding of aluminum. Except for being stopped, it is the same as the conventional one described above.

In the above open showcase, the air in the refrigerator is sucked in by the fan arranged in the cold air circulation path 4.
The air is sucked into the cold air circulation path from a to be cooled by the cooler and becomes a cold air flow, and this cold air flow blows out from the air outlet opening opposite to the air inlet 4a to form the cold air curtain on the product outlet 1a, Cool 5 Thus, the fence plate 6 prevents the customer from seeing the inside 4 while keeping the suction port 4a from being blocked by the customer's hand or clothes, and a part of the cool airflow forming the cool air curtain is forward. Prevent leaks from causing discomfort to customers.

[0004]

By the way, in the conventional open showcase, in order to install the fence plate 6, an extrusion die is prepared and the mounting rail 7 is extruded from aluminum, or manufactured. It is necessary to prepare a press mold and manufacture the mounting rail 7 by press working, which has a drawback that the cost is greatly increased due to the complexity of manufacturing and the mold cost.

An object of the present invention is to provide an open showcase in which the fence plate mounting structure is extremely simple and the cost can be greatly reduced.

[0006]

In order to achieve the above object, according to the present invention, a main body case having a substantially U-shaped cross section having a rising portion on the front surface is provided, and is horizontally long on the upper end surface of the rising portion. In an open showcase in which a strip-shaped transparent fence plate is installed, a plurality of columnar pins are provided, and the fence plate is coupled to the main body case via the pins.

[0007]

[Function] Since the upper and lower halves of the columnar pin are respectively fitted or fitted into the fitting holes of the rising portion of the fence plate and the main body case, the fence plate is detachably coupled to the main body case. Only the processing of the fitting hole is required, the mounting structure is extremely simple, and the cost required is extremely low.

[0008]

1 and 2 show a first embodiment of the present invention, in which parts common or identical to those in FIGS. 5 and 6 are designated by the same reference numerals. In FIGS. 1 and 2, reference numeral 8 denotes a cylindrical pin made of metal, and an elastic triangular protrusion 8a is provided on the outer periphery of the upper portion thereof. Two fitting holes for the pins 8 are formed on the right and left sides of the rising portion 2 of the outer box, and the lower portions of the pins 8 are fitted into these holes so that the pins 8 do not come off. On the other hand, the fence plate 6 is provided with a fitting hole 61 having a diameter that allows the pin 8 to be smoothly inserted. The fitting hole 61 has a stepped portion with a larger diameter on the way, and the stepped portion forms the locking portion 61a of the projection 8a.

In the above-mentioned structure, the fence plate 6 is fitted into the left and right fitting holes 61 with the pins 8 projecting from the right and left sides of the rising portion 2 so that the pins 8 fit into the fitting holes 61. Moreover, the projection 8a once compressed is provided with the locking portion 61.
It returns after passing a and is locked by the locking portion 61a,
It is held and fixed on the upper end surface of the rising portion 2 of the outer box. The fence plate 6 can be easily removed by pulling out the pin 8 from the fitting hole 61 with a little force. In this way, the fence plate 6 can be easily attached and detached, and a mold is not required for manufacturing the member for attaching, so that the cost is reduced,
Further, the frame member that conventionally fixes the fence plate 6 is eliminated, and the cost can be further reduced.

FIG. 3 shows a modification of the above-mentioned embodiment. The difference from the above-mentioned embodiment is that a pin 8 having a projection 8a is provided on the fence plate 6 so that the pin 8 is fitted into the fitting hole 61. Similarly, a fitting hole 21 that is removably engaged and has a locking portion 21a
Is a point formed on the rising portion 2 of the outer box. Also in this embodiment, the fence plate 6 is installed on the upper end surface of the rising portion 2 by fitting the pin 8 into the fitting hole 21, and the same effect as that of the above-described embodiment can be obtained.

FIG. 4 shows a second embodiment of the present invention. In the figure, 9 is a pin similar to the pin 8 and having no protrusion 8a. The pin 9 is smoothly inserted into and removed from the rising portion 2 of the outer box and the fence plate 6 and has a depth slightly longer than half the length of the pin 9 and a fitting hole 21 having the same diameter over the entire length.
And 61 are formed. Reference numeral 10 denotes a frame body which is formed by bending a thin metal plate into a U-shaped cross section and covers the upper end portion and the left and right end portions of the fence plate 6. The lower end portion of the frame body 10 is provided on the front and rear surfaces of the upper end portion of the rising portion 2. A mounting leg 10b is provided which is in contact with and is detachably fixed to the main body case 1 by a small screw 10a.

In the above-mentioned structure, the upper and lower portions of the pin 9 are smoothly fitted into the fitting hole 61 of the fence plate 6 and the fitting hole 21 of the rising portion 2 of the outer box, whereby the fence plate 6 is It is supported on the upper end surface of the rising portion 2 of the outer box. Then, the fence plate 6 is fixed by covering the fence plate 6 with the frame body 10 and screwing the frame body 10 onto the rising portion 2. In this embodiment, the same effect as the above-mentioned embodiment can be obtained. Moreover, although the frame body 10 is required, the fence plate 6 can be attached and detached extremely smoothly without any force.

[0013]

According to the present invention, a main body case having a substantially U-shaped cross section having a rising portion on the front surface is provided, and a horizontally long strip-shaped transparent fence plate is installed on the upper end surface of the rising portion. In the open showcase, a plurality of columnar pins are provided, and the fence plate is connected to the main body case through the pins, so that a mold is required for manufacturing the mounting member, and a complicated method is required. Manufacturing can be eliminated and the cost of the open showcase can be greatly reduced.

[Brief description of drawings]

FIG. 1 is a perspective view of an essential part of an open showcase showing a first embodiment of the present invention.

FIG. 2 is an enlarged perspective view of a main part in FIG.

FIG. 3 is a perspective view of a main part of the invention of an open showcase showing a modified example of the first embodiment.

FIG. 4 is a perspective view of an essential part of an open showcase showing a second embodiment of the present invention.

FIG. 5 is a perspective view of a portion related to the invention of the conventional open showcase.

FIG. 6 is a perspective view of a portion related to the invention showing another conventional example.

[Explanation of symbols]

 1 main body case 2 rising part of outer box 6 fence plate 8 pin 8a protrusion 9 pin 21 fitting hole 21a protrusion 61 fitting hole 61a protrusion

Claims (4)

[Claims] 1. An open showcase comprising a body case having a substantially U-shaped cross section having a rising portion on the front surface, and a horizontally long strip-shaped transparent fence plate installed on the upper end surface of the rising portion. Providing a plurality of columnar pins,
An open showcase, characterized in that the fence plate is coupled to the main body case via the pins. 2. The open showcase according to claim 1, wherein a pin is provided so as to project on either the fence plate or the rising portion of the main body case, and the pin is fitted into and removed from the other of the fence plate and the rising portion. An open showcase with a fitting hole that fits as much as possible. 3. The open showcase according to claim 1, wherein a pin is provided and a fitting hole into which the pin is removably fitted is provided in each of the fence plate and the rising portion of the main body case. 4. The open showcase according to claim 2, wherein a protrusion having elasticity is formed on the outer periphery of the protruding pin, and the protrusion is locked in a fitting hole into which the pin is fitted. An open showcase that forms a part.