JPH0430938Y2 - - Google Patents

Description

[Detailed explanation of the invention] (a) Industrial application field This invention relates to a show case with a lid that can be opened and closed at the front of the machine room.

(b) Prior art Japanese Utility Model Application Publication No. 51-67464 (70B3) discloses the inner right end of a pair of upper and lower protrusions with gaskets fixed slightly inward from the upper and lower ends, respectively. A plurality of permanent magnets are fixed to the left end facing each other, and openings are provided with slight edges on the top, bottom, left and right, and a part of the bottom end is engaged with a locking hole on the lower edge of the opening in the machine room. A refrigerating case is disclosed in which a dustproof screen body for closing an opening of a machine room is attached to the inside of a removable maintenance inspection window provided with a locking piece.

(c) Problems to be solved by the invention According to the above-mentioned conventional technology, each time the maintenance inspection window is opened or closed, the maintenance inspection window is moved forward and backward using the locking piece engaged with the locking hole as a fulcrum. Because of this, the peripheral wall of the locking hole and the locking piece rub against each other each time it rotates, which causes the coating on the locking piece to peel off and cause rust.
In particular, in conventional refrigerated cases installed in stores, corrosion of the locking pieces is accelerated by rainwater, and the weight of the entire maintenance inspection window is added to the locking pieces, causing rotation. There also occurred problems such as deformation during movement and loss of strength of the locking piece.

(d) Measures to solve the problem In order to solve the above problem, this proposal
A receiver 31 is provided along the lower edge of the front opening 20 of No. 6 and has a groove 32 with an open upper surface, and a lower end and an inward flange 27 extending rearward from the lower end are housed in the groove 32. A lid 25 made of a magnetic material that closes the front opening 20, and an inward flange 27 attached to the lower part of the lid.
a sash 29 that covers the lower surface and the front surface of the lower end of the lid;
This sash is fixed to the inward flange 27, and a stopper 30 whose head 30A is in contact with the receiver 31, and one side edge of the front opening or the lid 25 are provided.
To provide a show case 1 comprising a magnet 33 which is attached to a magnet 33 and supports the lid vertically together with the holder 31.

(E) Function According to the embodiment, since the sash 29 is provided at the lower part of the lid 25 stored in the groove 32 of the receiver 31, the sash 29 acts as a reinforcing member for the lid 25 and strengthens the lid. In addition to improving the strength of the lower part of the lid 25, when the lid 25 is rotated, it acts as a protective member for the lid 25 and prevents the lid 25 and the holder 31 from rubbing against each other, which may cause rust. It is possible to avoid damage to the painted surface. Further, the head 30A of the stopper 30 that fixes the sash 29 to the inward flange 27 of the lid 25 acts as a spacer to separate the lid 25 and the holder 31 in the groove 32 of the holder 31, so that the lid 25 In addition to draining rainwater when it gets hot, it also serves as a fulcrum when rotating the lid 25 and supports the lid 25 and the support 3.
The contact area with the lid 25 is reduced to make the rotation operation of the lid 25 smooth.

(F) Embodiment An embodiment of the present invention will be described below based on the drawings. 1 is a so-called flat show case whose main body is composed of a heat insulating wall 3 with an opening 2 for taking in and taking out products on the top surface; A storage room 6 equipped with a wire rack 5 by arranging a partition plate 4 at an appropriate distance from the inner wall of the wall 3, a plate fin type cooler 7, a blower fan 8, and a fan case 9 for supporting this fan. Cold air passage 10 that stores and installs
and a cold air outlet 11 connected to one end of the cold air passage and opening forward along the rear edge of the opening 2;
A cold air suction port 12 is connected to the other end of the cold air passage 10 and opens upward along the front edge of the opening 2. By forcing circulation as shown by the arrow in FIG. 3, a cold air curtain CA is formed in the opening 2 to cool the storage chamber 6.
The heat insulating wall 3 includes transparent plates 13 and 14 on the front wall 3A and left and right side walls 3B to prevent overflow of cold air forming the air curtain CA and to improve the see-through effect of the storage chamber 6. ing. Further, a removable transparent plate 15 facing the transparent plate 13 is provided on the front wall 4A of the partition plate 4, and as the transparent plate 15 is attached, the flow of the air curtain CA is moved upward. Thus, the effective internal volume of the storage chamber 6 is substantially increased.

Reference numeral 16 denotes a machine room formed below the heat insulating wall 3, in which a refrigerant compressor 17, a condenser 18, and a condenser fan 19, which together with the cooler 7 constitute a refrigeration cycle, are housed. Openings 20 and 21 are provided on the back, respectively, with the front opening 20 serving as an air inlet and the rear opening 21 serving as an air outlet. 22
are a pair of left and right metal frames that form the framework of the machine room 16, and support the heat insulating wall 3 as well as the base 23 on which the refrigerant compressor 17, condenser 18, and condenser fan 19 are installed; A plurality of rollers 24 that make the show case 1 movable
is supported. Reference numeral 25 denotes a lid that opens and closes the front opening 20, and is made of a magnetic material such as a painted metal plate, and has both outward and inward flanges 26 on both upper and lower edges to improve its strength. 27 are formed respectively, and a large number of slits 28 are formed in the center thereof to serve as air introduction ports. The outward flange 26 serves as a handle for opening and closing the lid 25, and the inward flange 27 serves as a fulcrum when opening and closing the lid 25 and rotating the lid forward or backward as shown in FIG. It is. 29 is the lid 26
This is an L-shaped stainless steel sash that covers the lower edge of the lid 25 and has a front wall 29A that contacts the lower front of the lid 25 and a bottom wall 29B that contacts the inward flange 27. It is fixed to the inward flange 27 with a fastener 30 such as a screw or screw whose head 30A protrudes outward from the surface, and when the lid 25 is opened or closed, the painted surface of the lower part of the lid 25 is removed from the holder described later. protect. Reference numeral 31 denotes metal receivers provided along the lower edge of the front opening 20, including a front wall 31A, a bottom wall 31B, and a back wall 31C.
and an open-top groove 32 formed in each wall.
As shown in FIGS. 1 and 2, the lower part of the lid 25 is accommodated in the groove 32 by placing the head 30A of the stopper 30 on the bottom wall 31B. When the lower part of the lid 25 is accommodated in the groove 32, the upper end of the front wall 29A of the sash 29 extends upwardly than the upper end of the front wall 31A of the holder 31, and the head of the stopper 30 extends upward. 30A
Due to the fact that the lower part of the lid 25 is raised from the bottom wall 31B of the holder 31, the lower part of the lid 25 and the holder 3
You can avoid contact with 1. 33 is a magnet attached to both left and right edges of the front opening 20;
By attracting the lid 25 with the magnet with the lid 25 placed on it, the lid 25 is supported substantially vertically and the front opening 20 is closed. Furthermore, this magnet 3
3 may be attached to the lid 25. Also, a striker, catcher, etc. may be used instead of this magnet.

According to such a configuration, the front opening 20 of the machine room 16 can be closed by the lid 25 by both the holder 31 on which the lower part of the lid 25 is placed and the magnet 33. Moreover, the lid 25 accommodated in the groove 32 of the receiver 31
Since the sash 29 is provided at the lower part of the lid 25, the sash 29 acts as a reinforcing member for the lid 25 and improves the strength of the lower part of the lid 25. 25 and prevents the lid 25 and the receiver 31 from rubbing against each other, thereby avoiding damage to the painted surface that would cause rust. Further, the head 30A of the stopper 30 for fixing the sash 29 to the inward flange 27 of the lid 25 is connected to the receiver 3.
In addition to acting as a spacer to separate the lid 25 and the holder 31 in the groove 32 of 1, when rainwater gets wet on the lid 25, it drains easily, and also serves as a fulcrum when rotating the lid 25. The contact area between the lid 25 and the receiver 31 is reduced to make the rotation operation of the lid 25 smooth.

(g) Effects of the device According to the above-mentioned main idea, the following effects are produced.

Since a sash is provided at the bottom of the lid that is stored in the groove of the receiver, the sash acts as a reinforcing member in the longitudinal direction of the bottom of the lid, improving the strength of the bottom of the lid. When the lid rotates when opening and closing, it acts as a protective member for the lid and prevents the lid from rubbing against the holder, thereby avoiding damage to the painted surface that may cause rust.

The head of the stopper that secures the sash to the inward flange of the lid acts as a spacer to separate the lid and the holder in the groove of the holder, so that when rainwater gets on the lid, it drains easily. In addition, when rotating the lid, it serves as a fulcrum, reducing the contact area between the lid and the holder, resulting in smoother rotation of the lid.

[Brief explanation of drawings]

Each of the drawings shows an embodiment of the show case of the present invention. Figure 1 is a vertical cross-sectional view of the main part when the lid is closed, Figure 2 is a vertical cross-sectional view of the main part when the lid is opened, and Figure 3 is a vertical cross-sectional view of the main part when the lid is opened. FIG. 4 is a cross-sectional view taken along the line A-A and a front view of the entire structure. 16... Machine room. 20...Front opening, 25...
Lid, 27...Inward flange, 29...Sash, 30...Stopper, 30A...Head, 31...
Receiver, 32...Groove, 33...Magnet.

Claims (1)

[Scope of utility model registration request] A receiver is provided along the lower edge of the front opening of the machine room and has a groove with an open top surface, and a lower end and an inward flange extending rearward from the lower end are accommodated in the groove, and the front surface a lid made of a magnetic material that closes the opening; a sash attached to the lower part of the lid that covers the lower surface of the inward flange and the front surface of the lower end of the lid; the sash is fixed to the inward flange; A show case comprising: a stopper in contact with the receiver; and a magnet attached to one side edge of the front opening or the lid to vertically support the lid together with the receiver.