JP2994980B2 - Cooling storage - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cooling storage provided with a drain plate for receiving drainage from a storage room in a machine room.

[0002]

2. Description of the Related Art Conventionally, in a cooling storage such as a low-temperature showcase or a refrigerator of this type, for example, Japanese Patent Publication No.
As shown in Japanese Patent Publication No. 2711 (F25D21 / 14), drainage such as defrost water generated from a storage room is led out to a machine room, and discharged into a drain plate provided in the machine room to be evaporated. It is configured.

[0003] Next, a conventional low-temperature showcase drain dish 100 and its holding structure will be described with reference to FIGS. 11 to 13. The conventional drain plate 100 is formed of a rigid synthetic resin such as polypropylene, and has a rectangular plate shape having an opening on an upper surface. An outwardly projecting outward flange 101 is formed at an opening edge of the drain plate 100. Have been.
On the other hand, a base plate 103 for mounting a compressor (not shown) is provided on the left and right sides in the rear of the machine room 102 of the low-temperature showcase, and a contact plate 104 as shown in FIG. Is provided.

On the other hand, a pair of holding members 106 as shown in FIG. 12 are attached to the front sides of the abutting plate 104 in the front-rear direction. The formed horizontal rail surface 107 is formed in a step shape. Then, the drain plate 100 is moved to the machine room 1
02, the lower surface of the outward flange 101 of the drain plate 100 abuts on the rail surface 107 of the holding member 106 and slides, and the rear end surface of the drain plate 100 is The positioning was performed by abutting the front surface.

When the drain pan 100 is taken out of the machine room 102, the outward flange 101 is slid and pulled out. Instead of holding the outward flange 101 as shown in FIG. In some cases, the position of the surface 107 is lowered and the bottom surface of the drain plate 100 is placed.

[0006]

As described above, conventionally, when the drain plate 100 is taken in and out of the machine room 102, the lower surface of the outward flange 101 or the bottom surface of the drain plate 100 is placed on the rail surface 107 of the holding bracket 106. , The contact surface between the drain plate 100 and the rail surface 107 is worn, a hole is opened, and water leaks therefrom.
Further, since the compressor is operated to generate vibration, the rear surface of the drain plate 100 in contact with the contact plate 104 is rubbed by the vibration, and there is also a problem that a hole is opened and water leaks.

[0007] In the holding bracket 106 as shown in FIG.
The rail surface 107 is located at the inner end, where the drain pan 10 is located.
Since the load is zero, the holding fitting 106 is deformed downward due to insufficient strength, and the drainage in the drain plate 100 is spilled. On the other hand, as shown in FIG.
In this case, since the position of the rail surface 107 becomes extremely low, there is also a problem that the holding bracket 106 is caught by the threshold of the installation surface and deformed when the low-temperature showcase is moved.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional technical problem, and it is possible to effectively eliminate the damage of the drain plate and stably hold the drain plate. It is an object to provide a cooling storage that can be used.

[0009]

According to a first aspect of the present invention, there is provided a cooling storage, wherein a drain pan for receiving drainage from a storage room is held by a pair of holders mounted in a machine room. A downward flange that descends from the upper end of the main body of the plate with an interval outside, an upward flange that stands up from the lower end of each retainer with an interval inside, and a An abutment member with which the rear portion abuts, wherein the upward flange of the holder is inserted between the main body and the downward flange of the drain pan, and the outer side surface of the main body and the inner side surface of the downward flange, and the drain pan On the rear, upward flange,
Further, projections are formed to abut against the abutting members.

[0010] The cooling storage according to the second aspect of the present invention comprises a drain tray for receiving drainage from the storage room held by a pair of holding members mounted in the machine room. A downward flange descending with an interval to the outside, a rail surface formed by bending the lower end of each holder inward, and an inner end of the rail surface formed by bending upward. An upward flange is provided, and the upward flange is inserted between the body of the drain plate and the downward flange,
The vertical dimension of the downward flange is larger than that of the upward flange.

In the cooling storage according to the third aspect of the present invention, the drain pan side inclined surface gradually rising from the lower end is formed at the longitudinal end of the downward flange of the drain pan. And the height from the upper surface of the drain pan-side inclined surface to the rail surface of the holder from the installation surface of the cooling storage, and the longitudinal direction of the upward flange of the holder. Is formed with a holder-side inclined surface that gradually rises from the rail surface.

According to the cooling storage of the first aspect of the present invention , the drain pan is formed with a downward flange which descends from the upper end of the main body at an interval from the upper end thereof, and each holder has an inner flange from the lower end thereof. Form an upward flange that stands up with a gap,
Since this upward flange is inserted between the body of the drain plate and the downward flange, the movement of the drain plate in the left and right direction is regulated, and the drain plate is stably held, and is held by forming the upward flange. The strength of the tool itself can also be improved.

[0013] In addition, since the upper surface of the drain plate, the inner surface of the downward flange, and the rear portion of the drain plate are formed with an upward flange and a projection that comes into contact with the contact member, respectively, the drain plate is formed. The strength of itself is improved, and the friction due to the vibration from a compressor or the like is added to the projection when the drain plate is taken in or out, so that a hole is not formed in the wall surface of the drain plate as in the related art. In general, according to the present invention, it is possible to effectively eliminate water leakage from a drain pan.

According to the cooling storage of the second aspect of the present invention, the drain pan is formed with a downward flange which descends from the upper end of the main body at an interval from the upper end thereof, and the lower end of each retainer has an inner end. A bent rail surface and an upward flange with the inner end of the rail surface bent upward are formed, and the upward flange is inserted between the body of the drain plate and the downward flange. The movement of the drain plate in the left-right direction is regulated and stably held, and the strength of the holder itself can be improved by the bent structure.

Further, since the vertical dimension of the downward flange of the drain plate is made larger than that of the upward flange, the drain plate is held in a state where the lower end of the downward flange, which is relatively resistant to wear, is in contact with the rail surface of the holder. Will be done. Therefore, a hole is not formed in the drain plate wall or the like as in the related art, and water leakage from the drain plate can be effectively eliminated as a whole.

In particular, according to the cooling storage of the third aspect of the present invention, in addition to the above, at the end of the downward flange of the drain pan, a drain pan side inclined surface gradually rising from the lower end is formed. The height from the bottom surface to the end of this inclined surface on the drain pan side is set higher than the height from the installation surface of the cooling storage to the rail surface of the holder, and the longitudinal end of the upward flange of the holder. In order to mount the drain pan, a drain pan is placed on the installation surface of the cooling storage, and the drain is simply moved to the holder side. With the inclined surface of the plate and the holder, the downward flange smoothly rides on the rail surface. Therefore, the workability of taking in and out the drain plate is remarkably improved.

[0017]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a perspective view of a low-temperature showcase S as an embodiment of the cooling storage of the present invention, FIG. 2 is a vertical sectional side view of a lower part of the low-temperature showcase S, FIG.
4 is a sectional view taken along line AA of FIG. 3, and FIG. 5 is a sectional view taken along line BB of FIG. 3, respectively.

The heat-insulating box 1 of the low-temperature showcase S has an outer case 2 made of a steel plate opening forward, and a steel plate or a hard resin made of a front opening incorporated in the outer case 2 at intervals. An inner box 3, a hard resin breaker 4 connecting the opening edges of the outer box 2 and the inner box 3, an outer box 2, an inner box 3
And a heat insulating material 6 made of foamed polyurethane filled in a space surrounded by the breaker 4 by an in-situ foaming method.

A storage room 7 is formed in the inner box 3, and a front opening of the storage room 7 is opened and closed by sliding door type glass doors 8, 8 fitted in the breaker 4. . A machine room 9 is formed below the heat-insulating box 1.

A drain hole 11 is formed in the breaker 4 which borders the lower edge of the opening of the storage room 7, and the drain hole 11 penetrates the heat insulating box 1 and faces the lower machine room 9. 12 are connected. A cooler (not shown) is attached to the upper part of the storage room 7, and a water distribution pipe 14 into which defrost water flows from the cooler communicates with a groove in the breaker 4 on one side of the opening. It communicates with the drain hole 11.

On the other hand, the machine room 9 is a space for installing a compressor 13 and a condenser (not shown) constituting a refrigerating cycle of the cooling device together with the cooler.
Side plate 2A extends to both sides of the machine room 9. Inside the lower part of the side plate 2A, a side angle material 2 serving as a foot
1, 21 and a front angle member 22 are attached.
A base plate 23 made of a thick steel plate is attached to the rear of the machine room 9 between the side angle members 21, 21, and the compressor 13 is installed on the base plate 23. . In addition, 24 ... are legs which can adjust the height from the installation surface G freely.

Further, a contact plate 26 as a contact member is provided at the center of the front end of the base plate 23. The abutment plate 26 is formed by bending a steel plate, and is bent in a substantially U-shaped cross section with a central portion opened forward as shown in FIG.
6A and a lower front surface 26B located forward thereof.

A pair of holding fittings 27, 27 as holding tools are attached to the front of both sides of the contact plate 26 so as to extend between the base plate 23 and the front angle member 22 in the front-rear direction. The holding bracket 27 is also formed by bending a steel plate, and has a horizontal rail surface 27A formed by bending its lower end inward at a right angle as shown in FIG. 3 or FIG. 10, and an inner end of the rail surface 27A. Upward flange 2 formed by bending the upper part upward
7B. The front end (longitudinal end) of the upward flange 27B has an inclined surface 28 as a holder-side inclined surface that gradually rises at a predetermined angle from the rail surface 27A.
Are formed.

On the other hand, 31 is a drain plate according to the present invention. The drain plate 31 is formed of a hard synthetic resin such as polypropylene, and includes a rectangular plate-shaped main body 31A having an opening on the upper surface. On the periphery of the opening of the main body 31A, after being spread horizontally outward from the upper end by a predetermined width,
A downward flange 31B that descends with an interval from the outer surface of the main body 31A is formed.

Also, the downward flanges 3 on both sides of the main body 31A.
The front end (end in the longitudinal direction) of 1B has the lower end face described above.
It gradually rises forward at the same angle as the inclined surface 28.
And a slope 32 as a drain plate side slope.
You. And below the downward flange 31B on the front side of the main body 31A
The end face is from the upper end (front end) of the front inclined surface 32.
It is continuous. Further, the downward flanges on both sides of the main body 31A.
The rear end (longitudinal end) of the 31B has its lower end face forward.
It gradually rises backward at the same angle as the inclined surface 28.
And an inclined surface 32 also serving as a drain plate-side inclined surface.
ing. The downward flange 31 on the rear side of the main body 31A
B lower end surface is the upper end (rear end) of this rear inclined surface 32
From the main body 31A.
The vertical dimension of the downward flange 31B is the downward flange on both sides.
It is shorter than 31B.

Furthermore, vertical dimension H1 of the drain pan 31 on both sides of the downward flange 31B, the set to be larger than the dimension H2 of the rail surface 27A of the holding metal fitting 27 to the upward flange 27B upper, also, the rear slope Top rear end of surface 32
The height H3 of the rear downward flange 31B from the bottom surface of the main body 31A , which is continuous from the bottom surface, is set higher than the height H4 from the installation surface G to the rail surface 27A of the holding bracket 27.

The downward flange 3 on the rear side of the drain plate 31
Projections 36, 36 projecting rearward are integrally formed on both sides of the rear surface of 1B, and projections 37 projecting rearward are also integrally formed on the rear surface of the main body 31A. On the inner surface of the downward flange 31B on both sides of the drain plate 31, projections 38 inclined forward and backward are integrally formed at several places.
Similar projections 39 are integrally formed on the outer surfaces on both sides of A, and the plurality of projections 36, 37, 38, and 39 improve the strength of the drain plate 31 itself.

When the drain plate 31 is mounted in the above-described configuration, the drain plate 31 is placed on the installation surface G as shown in FIG. Eventually, the rear downward flange 31B becomes the rail surface 27A of the holding bracket 27.
Then, the lower surface of the downward flange 31B comes into contact with the inclined surface 28 of the upward flange 27B.

Further, when the drain plate 31 is pushed backward, the drain plate 31 gradually rises because the downward flange 31B is in contact with the inclined surface 28. Then, the inclined surface 32 of the downward flange 31B comes into contact with the front end of the rail surface 27A of the holding bracket 27 (FIG. 7), and the drain plate 31 rises along the inclination. Slides on the rail surface 27A, and the drain plate 31 is inserted (FIG. 8).

As described above, the drain plate 31 and the holding fitting 2 are simply placed on the installation surface G and pushed in backward.
7, the downward flange 31B of the drain plate 31 smoothly rides on the rail surface 27A by the inclined surfaces 32 and 28, so that the workability of taking in and out the drain plate 31 is remarkably improved.

Finally, the drain plate 31 has a projection 37 on the rear surface or a projection 36 on the lower front surface 26 of the contact plate 26.
B or the bottom plate 26A, so that the drain plate 31 is positioned. In this state, the drain tray 31 is located below the drain guide 12 and receives the defrost water or the like flowing out of the drain hole 11. When the drain plate 31 is taken out, the drain plate 31 is detached from the holding fitting 27 by the reverse operation.

In this state, the upward flange 2 of the holding fitting 27 is
Since 7B is inserted between the main body 31A of the drain plate 31 and the downward flanges 31B on both sides, the movement of the drain plate 31 in the left-right direction is restricted. Therefore, the drain pan 31 is stably held.

In addition, when the drain plate 31 is taken in and out as described above, the lower end surface of the downward flange 31B, which is resistant to wear, comes into contact with the rail surface 27B of the holding bracket 27. Further, at the time of the insertion and removal, the projections 38 and 39 of the drain plate 31 abut against the upward flange 27B of the holding fitting 27, and the outer surface of the main body 31A or the inner surface of the downward flange 31B is directly connected to the upward flange 27B.
There is no contact with B. Therefore, the friction generated by the sliding at the time of putting in and taking out is applied to the lower end face of the downward flange 31B and each of the projections 38 and 39, so that a hole is not formed in the wall surface of the drain plate 31.

Further, in the state of being held by the holding fitting 27, the lower end surface of the downward flange 31B abuts on the rail surface 27A, and the projection 37 or 36 abuts on the abutment plate 26.
The outer surface of the main body 31A or the inner surface of the downward flange 31B does not directly contact the contact plate 26 or the upward flange 27B. Therefore, the friction generated by the vibration generated during the operation of the compressor 13 is reduced by the protrusions 37 and 36 and the downward flange 31B.
And the projections 38 and 39 are formed on the lower end surface of the drain pan 31 in the same manner. Therefore, it is possible to effectively eliminate water leakage from the drain plate 31 as in the related art.

In the embodiment, the present invention is applied to a low-temperature showcase. However, the present invention is not limited to this, and is also effective when applied to a home or business refrigerator.

[0036]

As described in detail above, according to the first aspect of the present invention, the drain plate is formed with a downward flange which descends from the upper end of the main body to the outside at an interval, and each holder has its lower end. An upward flange that stands up with an interval inside from the part is formed, and this upward flange is inserted between the main body of the drain plate and the downward flange, so that the movement of the drain plate in the left-right direction is restricted. As a result, the strength of the holder itself can be improved by forming the upward flange.

In addition, since the upper surface of the drain plate, the inner surface of the downward flange, and the rear portion of the drain plate are formed with the upward flange and the projection that comes into contact with the contact member, the drain plate is formed. The strength of itself is improved, and the friction due to the vibration from a compressor or the like is added to the projection when the drain plate is taken in or out, so that a hole is not formed in the wall surface of the drain plate as in the related art. In general, according to the present invention, it is possible to effectively eliminate water leakage from a drain pan.

According to the second aspect of the present invention, the drain plate is formed with a downward flange which descends from the upper end portion of the main body to the outside at an interval, and the lower end portion of each holder is bent inward. And an upward flange formed by bending an inner end of the rail surface upward, and inserting the upward flange between the main body and the downward flange of the drain plate. The movement in the left-right direction is restricted, and the holder is stably held, and the strength of the holder itself can be improved by the bent structure.

Further, since the vertical dimension of the lower flange of the drain plate is made larger than that of the upper flange, the drain plate is held in a state where the lower end of the lower flange, which is relatively resistant to abrasion, is in contact with the rail surface of the holder. Will be done. Therefore, a hole is not formed in the drain plate wall or the like as in the related art, and water leakage from the drain plate can be effectively eliminated as a whole.

In particular, according to the third aspect of the present invention, in addition to the above, at the longitudinal end of the downward flange of the drain plate, a drain plate side inclined surface gradually rising from the lower end is formed. The height from the bottom surface to the upper end of the drain dish side inclined surface is set higher than the height from the installation surface of the cooling storage to the rail surface of the holder, and the longitudinal end of the upward flange of the holder is set. In order to mount the drain pan, a drain pan is placed on the installation surface of the cooling storage, and the drain is simply moved to the holder side. With the inclined surface of the plate and the holder, the downward flange smoothly rides on the rail surface. Therefore, the workability of taking in and out the drain plate is remarkably improved.

[Brief description of the drawings]

FIG. 1 is a perspective view of a low-temperature showcase as an embodiment of a cooling storage according to the present invention.

FIG. 2 is a vertical side view of the lower part of the low-temperature showcase of FIG. 1;

FIG. 3 is a perspective view of a drain plate.

FIG. 4 is a sectional view taken along line AA of FIG. 3;

FIG. 5 is a sectional view taken along line BB of FIG. 3;

FIG. 6 is a view for explaining the operation of taking in and out a drain plate.

FIG. 7 is a view for explaining the operation of taking in and out the drain plate.

FIG. 8 is a view for explaining the operation of taking in and out the drain plate.

FIG. 9 is a longitudinal sectional side view of a rear portion of a drain plate in a state in which the drain plate is in contact with a contact plate.

FIG. 10 is a sectional view taken along line CC of FIG. 8;

FIG. 11 is a vertical sectional side view of a rear portion of a conventional drain plate in a state of being in contact with a contact plate.

FIG. 12 is a vertical sectional front view of both sides of a conventional drain plate held by a conventional holding fitting.

FIG. 13 is a vertical sectional front view of both sides of a conventional drain plate held by another conventional holding fitting.

[Explanation of symbols]

 S Low-temperature showcase 9 Machine room 13 Compressor 23 Base plate 26 Abutment plate 27 Holder 27A Rail surface 27B Upward flange 28, 32 Inclined surface 31 Drain plate 31A Main body 31B Downward flange

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁶ , DB name) F25D 21/14 A47F 3/04 G07F 9/10

Claims (3)

(57) [Claims] 1. A cooling storage having a drain pan receiving drainage from a storage chamber held by a pair of holders mounted in a machine room, wherein the cooling pan descends from an upper end of a main body of the drain pan with an interval therebetween. A downward flange, an upward flange that stands up from the lower end of each of the holders with an interval therebetween, and an abutting member that is mounted in the machine chamber and abuts against the rear of the drain plate. The upward flange of the holding tool is inserted between the main body and the downward flange of the drain pan, and the outer flange of the main body and the inner side of the downward flange, and the upward flange at the rear of the drain pan, and A cooling storage, wherein projections are formed to abut against the abutting members. 2. A cooling storage having a drain pan for receiving drainage from a storage chamber held by a pair of holders mounted in a machine room, wherein the cooling pan descends from the upper end of the main body of the drain pan with an interval therebetween. A downward flange, a rail surface formed by bending the lower end portion of each of the holders inward, and an upward flange formed by bending an inner end of the rail surface upward, A cooling storage, wherein the upward flange is inserted between the body of the drain plate and the downward flange, and the vertical dimension of the downward flange is larger than that of the upward flange. 3. A longitudinal end of a downward flange of a drain pan.
In part, to form a drain pan side inclined surface which gradually rises from the lower end, on the drain pan side inclined surface from the bottom surface of the drain pan
Set the height to the end higher than the height from the installation surface of the cooling storage to the rail surface of the holder, and gradually increase from the rail surface to the longitudinal end of the upward flange of the holder. 3. The cooling storage according to claim 2, wherein a holding tool side inclined surface is formed.