JPH04273978A - Refrigeration show case - Google Patents

Abstract

PURPOSE:To shut off surrounding air entering into a house transmitted along a door rail inside a sliding door. CONSTITUTION:A plate member 30 capable of closing a spacing between an upper end of an upper sash member 2a and an upper rail member 3 is fixed by a screw 31 at a right end side of the door member 2 at an upper end of the upper sash member 2a while the door member 2 is being closed and the door member 2 is moving at the lowermost position. This plate member 30 is made of flexible material quality plenty of softness and having a high recoverying force. Accordingly, a spacing between the upper sash member 2a and the upper rail member 3 is always shut off against an inner spacing of a refrigerator show case 20 by the plate member 30, thereby there is no entering of surrounding air at this part.

Description

[Detailed description of the invention]

0001

[Industrial Application Field] The present invention relates to a sliding door member,
A refrigerated show including a sash member that guides these door members, and a flexible convex member that is provided along the movement direction of the upper side edge of the door member and closes the gap between the door member and the rail member. Regarding the case.

0002

2. Description of the Related Art In a refrigerated showcase for displaying refrigerated products, for example, two sliding door members 1 as shown in FIG.
, 2 are provided.

The door members 1 and 2 are arranged so that the door member 1 is located outside a refrigerated showcase (not shown) and opens to the left.
Further, the door member 2 is located inside the refrigerated showcase and opens to the right. Further, the upper portions of each of the door members 1 and 2 are guided by an upper rail member 3.

Further, the lower portions of the door members 1 and 2 are provided with rail members 4 and 4, respectively, which are sloped downward in the closing direction due to their own weight.
The door member 1 is provided with wheels 6 and 7 for moving the rail member 4, and the door member 2 is provided with wheels 8 and 9 for moving the rail member 5. Also,
The rail members 4 and 5 are held by a lower rail member 10.

Further, the upper sash members 1a and 2a constituting the upper frames of the door members 1 and 2 have convex shapes made of a flexible material that can come into contact with the inner guide surfaces 3a and 3b of the upper rail member 3, respectively. Members 11 and 12 are provided over the entire surface along the direction of movement. Further, between the upper end portions of the door members 1 and 2 and the upper end portion of the upper rail member 3, the door member 1
, 2 move to the highest position, the door members 1, 2 move to the highest position.
A sufficient gap is formed so that the upper rail member 2 does not butt against the upper rail member 3.

In this way, the convex members 11 and 12 provided on the upper sash members 1a and 2a of the door members 1 and 2 substantially close the gap between the upper rail member 3 and the side end surfaces of the door members 1 and 2. Therefore, when the door members 1 and 2 are closed, the outside air that enters through the gap between the door members 1 and 2 and the upper rail member 3 is blocked by the convex members 11 and 12 and flows into the refrigerated showcase. It is possible to prevent dew condensation without entering the inside, and also to prevent a decrease in cooling performance.

[0007]

SUMMARY OF THE INVENTION However, such conventional devices have the following disadvantages.

That is, when the door members 1 and 2 are closed, the right end of the door member 1 contacts the refrigerated showcase, and the left end of the door member 2 contacts the refrigerated showcase. In this state, the upper sash member 1a
Since the gap between the upper end and the upper sash 3 is closed at the end of the refrigerated showcase that the right side of the door member 1 comes into contact with, no communication with the outside air occurs in this part.

On the other hand, the left side of the door member 2 contacts the refrigerated showcase, but the right side only overlaps with the door member 1 and is open, so that the upper end of the upper sash member 2a2 and the upper rail member 3 The outside air passing through the gap is shown in Figure 7.
As shown in FIG. 2, the condensation penetrates into the inside of the refrigerated showcase, causing condensation TR on the inside of the upper rail member 3 and reducing the cooling capacity.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a refrigerated showcase that can eliminate the disadvantages of conventional devices, prevent dew condensation, and improve cooling capacity.

[0011]

[Means for Solving the Problems] The present invention closes the space between the upper end of the door member and the rail member at the end of the door member that is disposed inside but does not abut against the member in the closed state. It is equipped with a conductive board.

0012

[Operation] Therefore, there is no path for outside air to enter the refrigerator between the upper end of the door member placed inside and the rail member, so outside air is prevented from entering and condensation is prevented. At the same time, the cooling capacity can be improved.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIGS. 1 and 2 show a refrigerated showcase according to an embodiment of the present invention. In addition, in the figure, the same parts and corresponding parts as in FIG. 6 are given the same reference numerals.

In the figure, two sliding door members 1 and 2 are disposed at the front opening of a refrigerated showcase 20, and a hood 21 is provided above the door members 1 and 2. A fluorescent lamp 22 is provided.

[0016] Also, the refrigerated showcase 20 other than the opening
A heat insulating material 23 is provided on the wall surface, and a fan 2 is provided at the upper back for stirring the cold air that is discharged from the cooling unit (not shown) provided at the bottom and passes through the passage 24.
5 is provided. Further, the display shelf 26 is for displaying products.

FIGS. 3 and 4 illustrate the structure of the door members 1 and 2. In these figures, the same parts and corresponding parts as in FIG. 6 are given the same reference numerals.

In the figure, wheels 6 and 7 provided on the door member 1 and wheels 8 and 9 provided on the door member 2 are rotated according to the inclinations of the rail members 4 and 5. The amount of protrusion from the door member 1 and the door member 2 is set so that the height of the door member 1 and the door member 2 can be substantially maintained.

Furthermore, at the right end of the door member 2,
At the upper end of the upper sash member 2a, when the door member 2 is closed and moved to the lowest position, a space between the upper end of the upper sash member 2a and the upper rail member 3 is provided. A closable plate 30 is fixed with screws 31. This plate material 30 is made of a flexible material with a large return force.

With the above configuration, when the door members 1 and 2 are closed, the right end of the door member 1 and the left end of the door member 2 are respectively connected to the end of the opening of the refrigerated showcase 20. are in contact.

[0021] In this state, the space between the upper sash member 1a and the upper rail member 3 is blocked by the portion where the door member 1 and the refrigerated showcase 20 are in contact, and outside air does not enter from this portion. In addition, since the convex member 11 provided on the upper sash member 1a closes the gap between the upper sash member 1a and the guide side surface 3a of the upper rail member 3, the front side surface of the upper rail member 3 and the upper sash member 1
This prevents outside air from entering through the gap a from entering the inside of the refrigerated showcase 20.

Further, as shown in FIG. 5, the space between the upper sash member 2a and the upper rail member 3 is always separated from the space inside the refrigerated showcase 20 by a plate 30.
Therefore, there is no intrusion of outside air from this part. Also,
By the convex member 12 provided on the upper sash member 2a,
Upper sash member 2a and upper rail member 3 guide side surface 3b
Since the gap is closed, outside air entering through the gap between the front side of the upper rail member 3 and the upper sash member 2a,
A situation such as intrusion into the inside of the refrigerated showcase 20 is prevented.

In this way, in this embodiment, when the door members 1 and 2 are closed, outside air is drawn into the refrigerated showcase 20.
Since it is possible to prevent outside air from entering the inside of the unit, it is possible to prevent situations such as outside air entering and causing dew condensation inside or reducing the cooling capacity.

By the way, in the above-mentioned embodiment, the case where two door members were provided in the refrigerated showcase was explained, but the present invention can be applied in the same way even if three or more door members are provided. Can be done.

[0025]

[Effects of the Invention] As explained above, according to the present invention,
Since there is no path for outside air to enter the refrigerator between the upper end of the door member placed inside and the rail member, outside air is prevented from entering, preventing dew condensation and reducing cooling capacity. This has the effect of being able to improve.

[Brief explanation of the drawing]

FIG. 1 is a schematic perspective view showing the appearance of a refrigerated showcase according to an embodiment of the present invention.

FIG. 2 is a schematic partial sectional view showing a part of the internal structure of the refrigerated showcase shown in FIG. 1;

3 is a schematic perspective view showing an example of the door structure of the refrigerated showcase shown in FIG. 1. FIG.

FIG. 4 is a schematic partial sectional view showing the structure of a door member according to an embodiment of the present invention.

FIG. 5 is a schematic partial sectional view for explaining the effects of the door member according to one embodiment of the present invention.

FIG. 6 is a schematic partial sectional view showing a conventional example of a door member.

7 is a schematic partial sectional view for explaining the disadvantages of the door member shown in FIG. 6. FIG.

[Explanation of symbols]

1, 2 Door parts 1a, 2a Upper sash member 3 Upper rail member 3a, 3b Guide side 30 Plate material 31 Screw

Claims (1)

[Claims] Claim 1: A sliding door member, a rail member that guides these door members, and a rail member that is provided at the upper side end of the door member along the direction of movement of the door member to reduce the gap between the door member and the rail member. In a refrigerated showcase equipped with a flexible convex member that closes, the door member is arranged inside, but at the end that does not abut against the member in the closed state, there is a groove between the upper end of the door member and the rail member. A refrigerated showcase characterized by having a flexible plate material that closes off the space.