JPH03175249A - Air flow straightener supporting device for cold-air circulation type open show case - Google Patents

Abstract

PURPOSE:To provide ease of attaching and detaching of an air flow straightener by a method wherein the air flow straightener is supported by the spring force of a plate spring whose protrusion is fitted in a groove, and a support with the groove is an integral part of the air flow straightener. CONSTITUTION:When an air flow straightener 7 is attached, the air flow straightener 7 is faced to an air outlet 5a and pushed up, so that a protrusion 14 is once pushed toward the inside of a compartment 4 by a support 16, which slides along a slope of the protrusion 14, and then fitted in a groove 17 at the setting position of the air flow straightener 7. The joint of the protrusion 14 and the groove 17 is held by a spring force of a plate spring 13. Therefore, the air flow straightener 7 is easily set and held in an air outlet 5a. On the other hand, when the air flow straightener 7 is to be detached, a handle 18 is pulled downward, so that the support 16 is pulled out as it pushes the protrusion 14 toward the inside of the compartment 4 and the air flow straightener 7 is easily pulled out of the air outlet 5a together with the support 16.

Description

[Detailed Description of the Invention] [Field of Industrial Application] This invention relates to a cold air circulation type open showcase that blows and forms a cold air curtain to a front opening for exiting from the south side. The present invention relates to an air conditioning fluid support device that holds fluid.

[Conventional technology]

This type of open showcase is equipped with an A-sided, U-shaped main body case with an opening for taking out products on the front, and a cold air circulation path with a built-in fan and cooler is formed inside this main case. It is known that a cool air curtain is blown out and formed at the opening part to insulate the inside of the refrigerator from heat from the outside air and also to cool the inside of the refrigerator. In Fig. 9 shown in Fig. 5, 1 has an opening la on the front side, and is composed of an outer box 2 made of a heat insulating wall, and an inner box 3 forming a chamber interior 4 inside. be. Reference numeral 5 denotes a cold air circulation path formed between the outer box 2 and the inner box 3, in which a fan and a cooler (not shown) are disposed inside, and the upper end of this cold air circulation path 5 faces the opening 1a. It forms an air outlet 5a, and its lower end forms an inlet (not shown) facing the air outlet 5a with the opening 1a in between. 7 is an air regulating fluid support bag [6
This is an air regulating fluid that is held at the outlet 5a through the air outlet 5a.

In the open-shiba case, the air inside the refrigerator 4 is sucked into the cold air circulation 1i115 by the fan, is cooled by the cooler, becomes cooling air, is rectified by the air conditioning fluid 7, and is blown out from the outlet 5a.

With this cooling air, the inside of the refrigerator 4 is removed from the outside air through the opening 1a.
A blocking cold air curtain is formed, and the inside of the refrigerator 4 is cooled. On the other hand, during maintenance of the open showcase, the air regulating fluid 7 is removed from the Suita outlet 5a for inspection and cleaning.

The air conditioning fluid support device 6 is constructed as follows. In other words, 2a is I of Suita mouth 5a, which is the front end of outer N2! [
! ! , 3a is a rear wall of the front end of the inner box 3 from the air outlet a, 8 is a spring 8a, the receiver is a rectifier having a portion 8b and a handle 8C, 9 is a rectifier having a long hole through which a small screw 10 passes, and the front and rear walls are connected to each other. This is a support plate that is slidably fixed to the horizontal folding support part of the rear wall 3a. This air regulating fluid support device 6 uses the spring force of a regulating wooden retainer 8 interposed between the rear wall 3a and the air regulating fluid 7 to control the air. 1. By pressing and holding the driftwood 7 against the front wall 2a, supporting the rectifying frame 8 from below, and fixing the board 9 to the rear wall 3a, air can be removed. The driftwood 7 is held at the outlet 5a.

[Problem to be solved by the invention]

By the way, in the conventional air regulating fluid support device 6, when removing the air regulating fluid 7, after warming the machine screw 10 and shifting the C support plate 9 toward the inside 4 side of the refrigerator, the air regulating fluid 7 is removed together with the air regulating fluid 7! Hold I Driftwood Japan 8 by its handle 8C and pull it downward, and
It is necessary to remove it from a. Also, when installing the air regulating fluid 7 to the outlet 5a again, insert the air regulating body 7 and the regulating wooden retainer 8 into the Suita outlet 5a at the same time, fix the support plate 9 again, and then 8 had to be supported, which made attaching and detaching the air conditioner 7 extremely troublesome.

SUMMARY OF THE INVENTION An object of the present invention is to provide an air conditioning fluid support device that can easily attach and detach the air conditioning fluid in a cold air circulation type open showcase.

[Means to solve the problem]

In order to achieve the above object, according to the present invention, an air regulating fluid is held at the outlet that blows out and forms a cold air curtain at the M-plane frontage of the cold air circulation type oven showcase through the front and rear walls of the outlet. In the air conditioning and fluid support device, a window is provided on either one of the rear walls of the air outlet 1Tir, and a plate spring is fixed on the outer surface of the air outlet wall and has a protrusion projecting to the air outlet so as to be able to enter and exit through the window. A support body having a groove that removably engages with the protrusion is provided integrally with the air regulator on a side surface of the air regulator, and the engagement between the protrusion and the groove causes the air regulator to shall be held at the air outlet.

[Effect]

The air regulating fluid is supported by the spring force of the leaf spring that engages the protrusion with the groove, and since the support having the groove is one with the air regulating fluid, the air regulating fluid can be attached and removed by blowing the air regulating fluid. Just insert it into the outlet or pull it out from the outlet.

〔Example〕

1 to 4 show embodiments of this invention,
Parts that are common or identical to those in the wEs diagram are indicated by the same reference numerals. In Figures 1 to 4, 12 is f, * in this case.
A plurality of windows 13 are formed in the wall 3a and along the air outlet 5a and the 1% hand direction, and the window 13 has a triangular protrusion 14 in the center, and the upper end is attached to the outer surface of the t-% FJW 3a with a rivet 15. , and a plurality of leaf springs fixed so that the protrusion 14 projects through the window 12 and into the air outlet 5a; 16 is the protrusion 1;
4 has a groove 17 and a handle 18 that are removably engaged,
This is a support fixed to the rear end surface of the empty eAN driftwood 7.

In the configuration described in M, when the air regulating fluid 7 is installed, the air regulating fluid 7 is forced upward toward the inlet of the outlet 5a, and is once pushed toward the inside 4 side of the refrigerator by the support 16 that slides on the slope of the protrusion 14. The protrusion 14 engaged with the groove 17 when the air regulating fluid 7 is in a predetermined position. Thus, the leaf spring 13 maintains the engagement between the protrusion 14 and the groove 17 by its spring force. Therefore, the air conditioning fluid 7 is easily inserted into the outlet 5a and retained. On the other hand, air! I When removing the driftwood 7, hold the handle 18 and pull it downward, and the support 16
is pulled out while pushing out the protrusion 14 toward the inside of the refrigerator 4gA, and together with this support 16, air rectification #7 is directed to the outlet 5a.
It can be easily extracted from.

〔Effect of the invention〕

According to this invention, in front of the air outlet t! A window is provided on either side of the wall, and a plate is fixed on the outer surface of the outlet wall and has a protrusion that projects to the outlet so that entry and exit can be made through the window. A support body having a groove that removably engages with the protrusion is provided on the side surface of the fluid integrally with the air regulating fluid, and the air regulating fluid is held at the outlet by the f-system between the protrusion and the groove. Since I made it so, when attaching and detaching the air conditioning fluid, the air! The air conditioning fluid is loaded and held in the outlet by simply inserting one fluid into the outlet, and can be removed from the outlet by simply pulling it downward, making attachment and removal work easier.

[Brief explanation of drawings]

Fig. 1 is a side view of an air rectifier main supporting device showing an embodiment of the present invention, Fig. 2 is a side view showing the state when the air rectifier is removed, and Fig. 3 is a view taken from arrow P in Fig. 1. A view in the direction of arrows, FIG.
5? I is a cross-sectional view of the vicinity of the outlet of an open air gauge equipped with a conventional air regulating fluid support device. 2a... Front wall, 3a... Rear wall, 5a... Air outlet, 6... Air regulating fluid support device, 7... Air regulating fluid, 12.

Claims (1)

[Scope of Claims] 1) An air conditioning fluid support device that holds air conditioning fluid through the front and rear walls of the outlet at the outlet that blows out and forms a cold air curtain across the entire opening of a cold air circulation type open showcase, A window is provided on one of the front and rear walls of the air outlet, and a plate spring is provided that is fixed on the outer surface of the air outlet wall and has a protrusion projecting to the air outlet so as to be able to enter and exit through the window. A support body having a groove that removably engages with the protrusion is provided integrally with the air regulating fluid on a side surface of the air regulating fluid, and the air regulating fluid is retained at the outlet by the engagement between the protrusion and the groove. An air conditioning and fluid support device for a cold air circulation type open showcase characterized by the following features: 2) In the air regulating fluid support device according to claim 1, at least one of the protrusion of the plate spring and the groove of the support body is formed to have a triangular cross section, and the air regulating fluid is inserted into the outlet. Accordingly, the air conditioning and fluid support device for a cold air circulation type open showcase is configured such that the protrusion automatically engages with the groove.