JPH09210540A - Door for storage warehouse - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the door for a storage warehouse which makes it possible to effectively prevent the floating of a panel out of a door from a glass packing. SOLUTION: This door for a storage warehouse comprises a plurallayer glass 63 engaged with a glass packing 67 at the peripheral edge and mounted at the inside of a frame-like panel 65 out of the door, and a heat insulator 73 foamed and filled in a space surrounded by the panel 64 and the packing 67, an engaging flange 77 formed at the edge of the front surface opening 74 of the panel 64, and an engaging groove 892 formed at the front part of the packing 67, wherein the flange 77 is inserted to be engaged with the groove 82.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door that opens and closes an opening of a storage such as a warm storage or a refrigerator.

[0002]

2. Description of the Related Art Conventionally, this type of storage has been disclosed in, for example, Japanese Patent Laid-Open No.
As disclosed in Japanese Patent No. 24482 (F25D23 / 02) as a refrigerator, the front opening of the heat insulating box is closed by a glass door so as to be openable and closable. In this case, the door is a frame-shaped door outer panel (door frame) made of steel plate, a multi-layer glass attached inside the door outer panel, and a heat insulating material foam-filled in the space surrounded by these. It consists of

Further, a glass packing (packing) made of a soft resin is fitted around the peripheral edge of the double glazing, and the contacted surface is formed by bending the peripheral edge of the front opening of the outer panel of the door backward. With the (flange) in contact with the glass packing, a heat insulating material is foam-filled and adhered to the door outer panel and the glass packing.

[0004]

As described above, since the outer panel of the door and the glass packing are conventionally fixed only by the adhesion of the heat insulating material, when the heat insulating material shrinks due to the operating conditions and environment, the door is closed. There is a problem that the outer panel is separated from the heat insulating material, and as a result, the outer panel of the door floats from the glass packing, which impairs the appearance and causes so-called stickiness.

In order to prevent this, conventionally, the outer panel of the door and the glass packing are fixed with screws, but since the glass packing is soft, the work such as positioning of the screw holes becomes complicated, which is a drawback. was there. The present invention has been made to solve the above-mentioned conventional technical problems,
An object of the present invention is to provide a door of a storage that can effectively prevent the outer panel of the door from rising from the glass packing.

[0006]

The storage door of the present invention comprises:
A double-layered glass with a glass packing fitted around the periphery is attached to the inside of the frame-shaped outer panel of the door, and the space surrounded by the outer panel of the door and the glass packing is filled with a heat insulating material. There is an engagement flange formed on the front opening edge of the door outer panel and an engagement groove formed on the front part of the glass packing, and the engagement flange is inserted and engaged in the engagement groove. .

According to the present invention, the engagement flange is formed on the front opening edge of the door outer panel, the engagement groove is formed on the front part of the glass packing, and the engagement flange is inserted into the engagement groove. Since they are engaged with each other, the connection between the two becomes strong, and even if the heat insulating material contracts due to the use environment, the outer panel of the door does not come off from the glass packing. This makes it possible to effectively prevent so-called sticking of the outer panel of the door and deterioration of the appearance.

Further, it becomes possible to effectively prevent the foaming leakage at the time of filling the heat insulating material, and the workability of assembling is not hindered as compared with the case of fixing with a screw or the like. In addition to the above, the storage door of the invention according to claim 2 forms a contact surface by bending the front opening peripheral edge of the door outer panel rearward, and contacts the front peripheral surface of the glass packing. A contact surface that contacts the surface is formed, and the tip of the contact surface is bent in a direction that narrows the opening to form an engagement flange, and the engagement groove is formed inside the contact surface. It is formed by cutting toward one side.

According to the second aspect of the present invention, in addition to the above, the abutted surface is formed by bending the front opening peripheral edge of the door outer panel rearward, and the abutted surface is abutted on the front peripheral surface of the glass packing. Since the contact surface that contacts the contact surface is formed, it is possible to further improve the adhesion between the door outer panel and the glass packing, and, in addition to the engagement between the engagement flange and the engagement groove, the heat insulating material is provided. It becomes possible to more effectively prevent foaming leakage during filling.

Particularly, the engaging flange is formed by bending the tip of the abutted surface in the direction of narrowing the opening,
Since the engagement groove is formed by cutting inward at the inner part of the contact surface, it becomes difficult for the glass packing to come off from the outer panel of the door even when a force in the front-back direction is applied, and the connection between the two is made stronger. Is what you can do.

[0011]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a front view of a heat storage 1 as an embodiment of a storage to which the present invention is applied, FIG. 2 is a vertical side view of the heat storage 1, FIG. 3 is a vertical front view of the heat storage 1, and FIG. FIG. 5 is a plan sectional view of the upper part of the refrigerator 1, and FIG. 5 is another plan sectional view of the upper part of the refrigerator 1.

The refrigerating cabinet 1 of the embodiment is used for thawing frozen foods such as frozen bento boxes and frozen hamburgers, and for heating and keeping them, and the like.
The inner box 3 made of a steel plate, which also opens to the front side, is installed in the inside at a distance, is connected by a breaker (not shown), and is filled with a foamed heat insulating material 6 between the boxes 2, 3 and the breaker. The front opening 8A of the storage chamber 8 formed of the heat insulating box 7 and formed in the inner box 3 is vertically divided by the middle partition 9 extending left and right at the center. The upper and lower openings 8A are openably and closably closed by doors 11 and 11 of the present invention pivotally supported on one side of the front surface of the heat insulating box 7.

A rectangular through hole 12 is formed on the rear right side of the top wall 7A of the heat insulating box 7, and a heat insulating unit box 13 is formed so as to close the through hole 12 from above and open downward. It is attached and constitutes a part of the heat insulating box 7. A heating heater 14 as a heating device is installed in the unit box 13. A blower 16 made of a sirocco fan is attached to the left side of the unit box 13, a shaft 16S thereof penetrates a left wall of the unit box 13, and a motor 16M thereof is fixed to a left side surface of the unit box 13. The unit box 13 is partitioned by a fan casing 21 into a suction side where the heating heater 14 is present and a discharge side where the blower 16 is present.

A water injection valve 23 as a water injection device for injecting water into a humidification tray 22, which will be described later, is attached to the ceiling wall 7A of the heat insulating box 7 along with the unit box 13, and the connection port 24 thereof is not shown in the drawing. Connected to the pipe. A control panel 26 is attached to the front end of the ceiling wall 7A, and a control box 27 is arranged on the rear side thereof.

A substantially gate-shaped upper duct plate 28 is attached to the upper part of the heat insulating box 7, and its upper surface 28A and left and right side surfaces 28B and 28C are the top surface 3A and left and right side surfaces 3 of the inner box 3.
There are intervals of B and 3C. Then, between the upper surface 28A and the top surface 3A and between the left and right side surfaces 28B and 28C and the left and right side surfaces 3B,
Upper duct 4 communicating with the inside of the unit box 13 between 3C
0 is configured.

A perspective view of the upper duct plate 28 is shown in FIG. An upper surface 28A and left and right side surfaces 28B of the upper duct plate 28,
Outer flanges 29A, 29B, 29C, 29D and 29 are provided on the front end of 28C and the lower ends of the left and right side surfaces 28B, 28C.
E is bent, and a plurality of through holes 31 ... Are formed in the flanges 29D and 29E. And each flange 29A, 29B, 29C, 29D and 2
9E are the top surface 3A, the left and right side surfaces 3B, 3C of the inner box 3, respectively.
Is in contact with

The upper surface 28A of the upper duct plate 28 extends from the rear to the front and is inclined to the right, and then the left side 28
An upper partition 32 for lowering the front portion of B to the flange 29D is attached. This upper partition 32 is the top surface 3A of the inner box 3.
And the left and right side surfaces 3B and 3C, and the rear portion thereof corresponds to the lower end of the fan casing 21. As a result, the inside of the upper duct 40 has a suction side 40S where the heating heater 14 is present, and a discharge side 40S where the blower 16 is present.
Partitioned into D. A plurality of suction ports 33, ... Are provided in the front portion of the upper surface 28A, the left and right side surfaces 28B, 28C and the flange 29A located on the suction side 40S.

The left corner of the upper duct plate 28 is recessed (not shown in FIG. 6), and the humidifying tray 22 constituting the humidifying device 41 and the humidifying heater 42 as a humidifying plate heating device are provided therein. It is arranged. In addition, 43 is a drainage pipe for draining overflow water from the humidifying tray 22, which is pulled down to the outside by descending the left side of the storage chamber 8. on the other hand,
Left and right duct plates 51, 52 are attached to the left and right side surfaces 3B, 3C of the inner box 3 with a space therebetween, and left and right ducts 53, 54 are formed between them and the left and right side surfaces 3B, 3C. , 54 communicate with the discharge side 40D and the suction side 40S of the upper duct 40 by through holes 31 formed in the flanges 29D, 29E of the upper duct plate 28, respectively.

A plurality of through holes 57 are formed in the left and right duct plates 51, and the left and right duct plates 51, 52 are formed.
The front surface of is closed. Then, the left and right duct plates 51,
Pillars 58, 58 are attached to the upper and lower sides of 52, respectively, and rails 59 ,. The tray 61 is placed and installed. It should be noted that tray stoppers 62, 62, which are hits when the tray 61 is inserted, are attached to the back surface of the storage chamber 8 vertically.

When the blower 16 is operated, warm air heated by the heating heater 14 is sucked through the fan casing 21 and discharged toward the discharge side 40D on the left side of the upper partition 32 in the upper duct 40. The warm air discharged to the discharge side 40D of the upper duct 40 travels along the upper surface 28A of the upper duct plate 28 and falls outside the left side surface 28B while being humidified by the humidifying device 41, and the through hole 31 of the flange 29D.
Through the left duct plate 51 and the inner box 3 into the left duct 53.

The warm air that descends in the left duct 53 is sequentially discharged into the storage chamber 8 through the through holes 57.
Most of the warm air discharged into the storage chamber 8 traverses the inside from left to right and is sucked into the right duct 54 from the through holes 57 formed in the right duct plate 52 and rises. Then, through the through hole 31 of the flange 29E of the upper duct plate 28, the upper duct 40
Flows into the suction side 40S. In addition, the warm air in the upper portion of the storage chamber 8 has a suction port 33, which is formed corresponding to the upper portion of the opening 8A.
-Is sucked from the suction side 40S. Then, the return warm air is circulated so as to be sucked into the blower 16 again via the heating heater 14.

Also, the upper door 11 for taking in and out food.
Is opened, low-temperature (normal temperature) outside air flows into the storage chamber 8, and instead warm air in the storage chamber 8 tries to flow out from the upper portion of the opening 8A. However, since a plurality of suction ports 33, ... Are formed corresponding to the upper part of the opening 8A, the warm air that is about to flow out is pulled back to the suction ports 33 ,. Will be done. As a result, the inside of the storage chamber 8 is maintained in a predetermined high temperature and high humidity environment.

Next, the door 11 will be described with reference to FIGS.
The structure of will be described. The upper and lower doors 11 have the same structure, and include a frame-shaped door outer panel 64 made of a steel plate, a multi-layer glass 63 attached to the inside of the door outer panel 64, and a peripheral edge of the multi-layer glass 63. The rubber-made glass packing 67 and the opening 6 on the rear surface of the door outer panel 64 which are relatively wide.
Resin sash 69 fitted to 8 and this sash 6
9, a frame-shaped door inner panel 71 made of a resin, a gasket 65 attached to the sash 69 and located on the inner peripheral surface of the door 11, and a door outer panel 64, a glass packing 67 and a sash 69. Foamed polyurethane insulation 7 filled in the space surrounded by
3 and a handle 66 attached to the side surface on the non-pivotal side of the door outer panel 64.

The peripheral edge of the relatively narrow front opening 74 of the door outer panel 64 is bent rearward, and a contacted surface 76 is formed therein. Further, the tip of the contacted surface 76 is bent at a substantially right angle in the direction of narrowing the opening 74,
An engagement flange 77 is formed there. The glass packing 67 has a U-shaped main body 78 whose cross section opens inward.
A front protrusion 79 extending forward from the front edge of the opening edge of the body 78, and a rear protrusion 8 extending rearward from the rear edge of the opening edge.
1, the fins 78A and 78A protruding inward are formed on the front and rear sides of the opening of the main body 78, and the fins 78B projecting obliquely outward and rearward are integrally formed on the rear end of the outer surface of the main body 78. There is. Then, in the main body 78, the double glazing 6
3 is fitted in, and the fins 78A, 78A come into close contact with the double glazing 63.

A fin portion 81A is formed at the tip of the rear protruding portion 81 and projects obliquely outward and rearward, and the tip thereof comes into close contact with the inner surface of the door inner panel 71. On the other hand, an abutting surface 79A is formed in the front-rear direction on the outer surface of the front projecting portion 79, and an engaging groove 82 cut inward is formed in the inner part of the abutting surface 79A over the entire circumference. Is formed.

The door outer panel 6 is placed in the engaging groove 82.
By inserting and engaging the engagement flange 77 of No. 4, the multi-layer glass 63 and the glass packing 67 are attached to the door outer panel 64. In this state, the contact surface 79A of the front protruding portion 79 of the glass packing 67 is in close contact with the contacted surface 76 of the door outer panel 64. With the glass packing 67, the double glazing 63 and the sash 69 attached to the outer panel 64 of the door in this manner, they are set in a jig (not shown), and the space surrounded by them is foam-filled with the heat insulating material 73. To do. At this time, the jig comes into contact with the glass packing 67, but the fin portion 78B of the main body 78 does not contact the jig and the glass packing 6.
Since the gap with 7 is sealed, foam leakage from the rear part of the glass packing 67 is prevented. Also, the engagement flange 77
Engages in the engaging groove 82, and the contact surface 79A is also in close contact with the contacted surface 76, so that foam leakage from this portion is also effectively prevented.

On the other hand, an outward fitting groove 69A is formed on the outer peripheral surface of the sash 69, and the edge portion of the gasket 65 is fitted and mounted in the fitting groove 69A. In addition, a molded heat insulating material 84 is provided in the door inner panel 71, and in that state, the door inner panel 71 is sash 6
9 is screwed to the rear surface, whereby the door 11 is completed.

In this way, the front opening 7 of the door outer panel 64 is
The engaging flange 77 is formed at the edge of the No. 4 and the engaging groove 82 is formed in the glass packing 67.
Since 7 is inserted and engaged in the engaging groove 82,
Even when the outer door panel 64 and the glass packing 67 are strongly connected and the heat insulating material 73 contracts depending on the use environment,
The door outer panel 64 does not come off from the glass packing 67. As a result, it is possible to effectively prevent the occurrence of sticking of the so-called outer door panel 64 and the deterioration of the appearance of the door 11.

Further, it becomes possible to effectively prevent the foaming leakage when the heat insulating material 73 is filled, and the assembly workability is hindered as compared with the case where the glass packing 67 is fixed to the door outer panel 64 with a screw or the like. Absent. Particularly, the abutted surface 76 is formed by bending the peripheral edge of the front opening 74 of the door outer panel 64 rearward, and the abutted surface 76 abutting the abutted surface 76 is formed on the outer peripheral surface of the front protruding portion 79 of the glass packing 67. Since the contact surface 79A is formed, it is possible to further improve the adhesion between the door outer panel 64 and the glass packing 67. Further, the engaging flange 77 is formed by bending the tip of the contacted surface 76 in the direction of narrowing the opening 74, and the engaging groove 82 is formed by cutting inward at the inner part of the contacting surface 79A. Therefore, even if a force in the front-rear direction acts on the glass packing 67, it becomes difficult for the glass packing 67 to come off from the door outer panel 64, and the connection between the both can be made stronger.

Although the present invention is applied to the hot storage in the embodiments, the present invention is not limited to this, and the present invention is also effective to a storage such as a refrigerator.

[0031]

As described in detail above, according to the present invention, an engaging flange is formed at the front opening edge of the door outer panel, and
Since the engagement groove is formed in the front part of the glass packing and the engagement flange is inserted and engaged in the engagement groove, the connection between the two becomes strong and when the heat insulating material contracts depending on the use environment. However, the panel outside the door will not come off from the glass packing. This makes it possible to effectively prevent so-called sticking of the outer panel of the door and deterioration of the appearance.

Further, it is possible to effectively prevent the foaming leakage at the time of filling the heat insulating material, and there is no hindrance to the assembling workability as compared with the case of fixing with a screw or the like. Further, according to the invention of claim 2, in addition to the above, the contacted surface is formed by bending the front opening peripheral edge of the door outer panel rearward, and the contacted surface is contacted with the front peripheral surface of the glass packing. Since the contact surface that contacts the surface is formed, it is possible to further improve the adhesion between the outer panel of the door and the glass packing, and, in addition to the engagement between the engagement flange and the engagement groove, filling the heat insulating material. It is possible to more effectively prevent foaming leakage at the time.

Particularly, an engaging flange is formed by bending the tip of the abutted surface in the direction of narrowing the opening.
Since the engagement groove is formed by cutting inward at the inner part of the contact surface, it becomes difficult for the glass packing to come off from the outer panel of the door even when a force in the front-back direction is applied, and the connection between the two is made stronger. Is what you can do.

[Brief description of drawings]

FIG. 1 is a front view of a heating cabinet as an embodiment to which the present invention is applied.

FIG. 2 is a vertical cross-sectional side view of the heating cabinet shown in FIG.

FIG. 3 is a vertical sectional front view of the heating cabinet shown in FIG.

FIG. 4 is a plan cross-sectional view of the upper part of the refrigerator shown in FIG.

FIG. 5 is another plan sectional view of the upper part of the heating cabinet of FIG.

FIG. 6 is a perspective view of an upper duct plate.

FIG. 7 is a front view of the door of the present invention.

FIG. 8 is a vertical side view of the door of the present invention.

FIG. 9 is a plan view of the door of the present invention.

FIG. 10 is an enlarged vertical side view of the door of the present invention.

FIG. 11 is an enlarged sectional view of the glass packing.

FIG. 12 is a cross-sectional view of the door outer panel.

[Explanation of symbols]

 1 Hot Storage 8 Storage Room 11 Door 63 Double-Layered Glass 64 Door Outer Panel 65 Gasket 67 Glass Packing 69 Sash 71 Door Inner Panel 73 Heat Insulation Material 76 Abutting Surface 77 Engaging Flange 79A Abutting Surface 82 Engaging Groove

Claims (2)

[Claims] 1. A double-layered glass in which a glass packing is fitted around the periphery is attached to the inside of a frame-shaped door outer panel, and a heat insulating material is foam-filled in a space surrounded by the door outer panel and the glass packing. In the door formed by, the engaging flange formed in the front opening edge of the door outer panel, and the engaging groove formed in the front part of the glass packing, the engaging flange in the engaging groove. A storage door characterized by being inserted and engaged. 2. An abutted surface is formed by bending a front opening peripheral edge of an outer panel of a door rearward, and an abutting surface abutting the abutted surface is formed on a front peripheral surface of the glass packing. At the same time, the engaging flange is formed by bending the tip of the abutted surface in the direction of narrowing the opening, and the engaging groove is formed by cutting inward in the deep part of the abutting surface. The door of the storage according to claim 1, characterized in that.