JPH0415475A - Show case - Google Patents

Abstract

PURPOSE:To prevent dew formation on lead wires and attain an easy wiring work for improving the workability by a method wherein an independent second groove is formed behind a first groove of a plastic made breaker, that is, on the inside of a compartment. CONSTITUTION:A flange 3A of an inner box 3 is fixed on a second stopper 25 of a breaker 21, a flange 4A of an outer box 4 is fixed on a first stopper 24 of the breaker 21, and foamed insulating material 6 is filled between the inner and outer boxes 3 and 4. After that, the left and right brims of a transparent window 7 are inserted into a first groove 22 of the breaker 21 with a lead wire R of a heater 7D pulled out form above. Power source wires from a machine room 19 is connected to the lead wires R, and the lead wire R and the power source wires are housed in a second groove 23 of the breaker 21. Then, a cover 28 is fixed on protrusions 29 and 30 to cover the lead wire R. After those works, a hand rail 31 is put on the transparent window 7, and a decorative sash 32 is fixed so as to cover across the left and right side walls of the inner and outer boxes 3 and 4.

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] Industrial Field of Application The present invention relates to a showcase having a transparent window arranged in the front wall.

Conventional technology A heat insulating box body is constructed by inserting a heat insulating material between a side plate forming an outer box and a side plate forming an inner box, and a heat insulating glass is attached to the upper front surface of the box body. The side plate of the inner box has a contact piece and support piece of heat shielding glass, the upper edge of the heat shield glass has a decorative bar, and the front side of the heat shield glass has a protrusion that is the same as the front edge of the side plate of the outer box. The heat shielding glass is fixed by providing a sieve plate having a section and a notch for holding the glass and the decorative bar, respectively.
Japanese Utility Model Publication No. 57-848 discloses a structure in which the outer edges of the sieve plate and the side plate of the outer box are decorated with a satin.

Problems to be Solved by the Invention In the above technology, since the outer edges of the sieve plate and the outer box are covered with a decorative sash, the inner box is cooled during operation of the cooling device and the heat is transferred to the decorative sash. There was a problem in that condensation was likely to occur on the outer box. On the other hand, it is common to install a heater around the peripheral edge of the heat shielding glass to prevent fogging and condensation on the glass. It is placed on the back side. Therefore, when inspecting or replacing the lead wires, it is necessary to remove decorative sashes, decorative pillars, etc., which is a very troublesome task.

Therefore, the present invention provides a showcase in which transparent windows are attached using resin breakers connecting the inner box and the outer box on the left and right side walls, and wiring such as lead wires is housed therein. It is something.

[Structure of the invention]

Means for Solving the Problems The present invention provides a showcase having an opening for entering and exiting articles on the -L side, and a resin breaker disposed vertically facing each other on both left and right walls of the showcase. and a transparent window that has a heater for preventing condensation and is attached to the breaker, and the breaker includes a first groove that extends in the vertical direction and into which the left and right edges of the transparent window are inserted, and the first groove. A second groove is provided at the rear of the heater to accommodate the lead wire of the heater.

Function: The breaker, which is placed vertically facing the left and right side walls, not only connects the inner and outer boxes in a heat-insulating manner, but also serves as a fixing member for the transparent window by inserting the left and right ends of the transparent window into the first groove. At the same time, the second groove also functions as a storage member for storing lead wires of electric components such as heaters arranged around the transparent window. In addition, by storing the lead wire in the second groove,
This node line will be located in a low temperature dry atmosphere.

Example Embodiments of the present invention will be described below based on the drawings.

1 is a heat insulating box body that has an opening tD2 on the top surface for loading and unloading goods, and constitutes the main body of the showcase S. The inner box 3 and the outer box 4 are connected by a resin breaker, and both the inner and outer boxes 3, 4 are connected. A foamed heat insulating material 6 such as hard polyurethane is filled into the gap formed by the breaker and the breaker. In addition, this insulating box 1 includes a front wall IA, a back wall IB, a bottom wall IC, left and right side walls ID, IE
, and a ceiling wall IF, and a transparent window 7 such as a multi-layer transparent plate is arranged at the upper part of the front wall IA.

The transparent window 7 includes both inner and outer transparent glasses 7A and 7B, and both glasses 7A and 7A arranged on the inner periphery of both glasses 7A and 7B.
It is composed of a spacer 7c that maintains a distance of 7B, and a heater 7D for preventing dew condensation is arranged around the periphery of the spacer 7c. In this example, the heaters 7D are arranged in an L shape so as to extend from the top side of the transparent window 7 to the left side and from the top side to the right side, respectively, and the lead wire R of the heater 7D is connected to the top side of the transparent window 7. It is pulled out from the part.

8 is a partition plate arranged at intervals inside the inner box 3 of the heat insulating box 1, and is composed of a back wall 8A, a bottom wall 8B, and a top wall 8C, and a transparent window is provided in the front part of the bottom wall 8B. A transparent plate 9 is arranged inside the plate 7 with a gap therebetween.

The air outlet 10 is formed by the ceiling wall IF of the heat insulating box 1 and the ceiling wall 8c of the partition plate 8, and the air inlet 1 is formed by the upper part of the transparent plate 9 and the upper part of the transparent window 7.
1, and a cold air passage 12 is formed by the partition plate 8, the transparent plate 9, and the inner box 3. Inside this cold air passage 12, a plate fin type evaporator 13 and an axial flow type blower 1 are provided.
4 is disposed, and when the blower device 14 is in operation, a curtain of airflow directed from the Suita port 10 to the suction port 11 is formed to cool the storage chamber C. 15 is a fluorescent lamp attached to the transparent window 7 above the suction port 11.

A machine room 19 is provided below the heat insulating box 1 to house mechanical components such as a compressor 16, a plate fin condenser 17, and a blower 18.

In the left and right side walls ID and IE of the heat insulating box body 1, resin breakers 21 which connect the inner box and the outer box and extend vertically facing each other, extend vertically and are transparent, as shown in FIG. an elongated first groove 22 having a length that can accommodate the entire length of the left and right edges of the window 7 in the height direction; The lead wire R of the heater 7D and the fluorescent lamp 15 are located behind the groove 22 of the heater 7D.
A second groove 23 for accommodating the lead wire is arranged in parallel.

Moreover, the breaker 21 has a first locking part 24 formed on the first groove side and locking the flange 4A of the outer box 4, and a first locking part 24 formed on the second groove side and locking the flange 3A of the inner box 3. It has a second locking part 25. The outer box 4 is bent so as to be flush with the inner box 3, and the first locking part 24 and the second locking part 25 of the breaker 21 have a first groove 22 and a second groove 23. It is formed at a position where it is buried in the heat insulating material 6.

The first groove 22 forms projections 26 and 27 for positioning the left and right sides of the transparent window 7, and the projections 26 and 27 are formed when the transparent window 7 is inserted.
．． A space K is formed outside of 27 (on the right side in FIG. 1). The second groove 23 forms protrusions 29 and 30 for fixing the blinding cover 28 after storing the node wire.

Note that if the first groove 22 is formed so that the spacer 7C is substantially flush with both the inner and outer boxes when the transparent window 7 is inserted,
The visible width of the transparent window 7 matches the distance between the left and right side walls, making it possible to see the inside of the refrigerator from the entire width of the transparent window 7. Furthermore, if the width of the cold air return passage between the transparent window 7 and the transparent plate 9 is constant, inserting the transparent window into the first groove 22 is better than inserting the transparent window into the second groove 23. The volume can be increased.

Based on the above configuration, the transparent window 7 is attached to the node line R.
The wiring will be explained below.

The flange 3A of the inner box is locked to the second locking part 25 of the breaker 21, and the flange 4A of the outer box is locked to the first locking part 24 of the breaker 21, thereby forming foam between the inner and outer boxes 3 and 4. Fill with insulation material 6. Thereafter, with the lead wire R of the heater 7D pulled out from above, the left and right edges of the transparent window 7 are inserted into the first groove 22 of the breaker 21, respectively. Then, connect the lead wire R to the power wire from the machine room 19,
Connect this lead wire R or the power wire to the second
It is stored in the groove 23 of. After this, the cover 28 is attached to the protrusion 29.
30 (see dotted line in Figure 1) to hide the lead wire R.

After these operations, the hand rail 31 is placed over the upper side of the transparent window 7, and the decorative bag 32 is covered and fixed so as to straddle the upper ends of the left and right side walls of both the inner and outer boxes 3.4.

With this handrail 31 and the decorative sash 32, the heater 7D and the lead wire R are hidden from view from the outside.

〔Effect of the invention〕

As detailed above, according to the present invention, since the second groove is formed behind the first groove of the resin breaker, that is, on the inside of the refrigerator, the lead wire of the heater stored in the second groove is is located in a low-temperature, dry atmosphere, thereby preventing dew condensation on the lead wires. Furthermore, since the second groove is formed independently of the first groove, wiring work for the lead wires can be easily performed without removing the transparent window, improving work efficiency.

[Brief explanation of drawings]

Each figure shows an embodiment of the showcase of the present invention, FIGS. 1 and 2 are cross-sectional views and partially cutaway perspective views of main parts showing fixation of the breaker and the transparent window, and FIG. 3 is the breaker. 4 is an external perspective view, and FIG. 5 is a sectional view taken along line AA in FIG. 4. S...Showcase, 3...Inner box, 4...
・Outer box, 7...Transparent window, 7D...Heater,
R...Lead wire, 21...Breaker, 22...
1st groove, 23... 2nd groove.

Claims (1)

[Claims] 1. In a showcase having an opening for entering and exiting goods on the top surface, a resin breaker is disposed vertically facing each other on both left and right walls of the showcase, and a heater for preventing condensation is provided in the breaker. The breaker includes a first groove that extends in the vertical direction and into which the left and right edges of the transparent window are inserted, and a first groove that is located behind the first groove and accommodates the lead wire of the heater. A showcase provided with a second groove.