JPH08145547A - Door device - Google Patents

Abstract

PURPOSE: To provide a door device in which workability and positive setting of a gasket to a trim are improved when the gasket is fixed to the trim. CONSTITUTION: A door 22 is provided with a trim 28 for use in fixing a gasket 41 around an inner surface. The trim 28 is provided with a groove 32 into which an arrowhead 41A of the gasket 41 is inserted, a lid part 33 pivotally installed at a hinge part and for use in opening or closing the groove 32 and an engaging part for keeping a closed state of the lid part 33. The lid part 33 may constitute a clearance for holding the arrowhead 41A of the gasket 41 between its end part and an opposing wall while the groove 32 being closed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door device used in a prefabricated refrigerator or the like.

[0002]

2. Description of the Related Art Conventionally, in this type of prefabricated refrigerator,
For example, Japanese Utility Model Laid-Open No. 4-18285 (F25D23 / 0)
The entrance is closed by a door as shown in 2) so that it can be opened and closed. Next, the door structure of the conventional prefabricated refrigerator 100 will be described with reference to FIGS. 7 to 9. In the drawing, a side plate panel 1 that constitutes the front surface of the main body of the prefabricated refrigerator 100
An opening 102 is formed at 01.
At the peripheral edge of the container, a storage port frame 103 made of hard vinyl chloride and having a substantially L-shaped cross section is fixed by a fixing plate 104 and screws 106 and 106.

A plurality of heater mounting grooves 107 are formed on the front side 102A of the front side 103A of the storage frame 103, and a cover plate made of stainless steel or the like covers the grooves 107 (as shown in FIG. 9). When a heater H is provided in 107, it serves as a heat dissipation plate). The abutting plate 108 has a substantially L-shaped cross section, and the outer edge is the storage frame 1.
It is bent diagonally to the 03 side. On the other hand, an engaging groove 109 cut obliquely is formed on the outer front side 103A of the groove 107, and the contact plate 108 inserts and engages the outer edge into the engaging groove 109, Is fixed and attached to the inner side 103B of the storage frame 103 with a screw 111. A space 110 is formed between the rear surface of the front side 103A of the storage frame 103 and the side plate panel 101, and a lead wire of a heater or the like can be arranged therein.

Reference numeral 112 denotes a door for closing the opening 102 so that the opening 102 can be opened and closed freely.
3 is pivotally supported on the front side 103A on one side.
Each of the doors 112 is made of a metal outer plate 114 and an inner plate 11.
6, the ends of these both plates 114, 116 are engaged and connected by screws 117, and a hard synthetic resin trim 118 for connecting them, and these outer plates 114, 116
The heat insulating material 119 is foamed and filled in the space defined by the inner plate 116 and the trim 118.

A groove 121 is formed on the rear surface (the surface facing the main body) of the trim 118, and the groove 121 is opened rearward at a gap 121A on the rear surface. Then, the crepe portion (mounting portion) 122 is provided in the gap 121A of the groove 121.
The magnet gasket 122 is fitted by inserting and engaging A as shown by the arrow in FIG. This gasket 122
Comes into contact with and comes into close contact with the contact plate 108 when the door 112 is closed.

A coil spring (not shown) is provided inside the front surface of the door 112 on the non-pivot side, and the latch claw portion 12 is provided.
4 and a latch 127 having a handle 126 are attached, and further, the front side 103A of the storage opening frame 103 at a position facing the latch 127 (on the non-pivotal side of the door 112).
A latch receiver 131 having a roller 128 with which the latch claw portion 124 is engaged is attached to the. Incidentally, 141
Is a handle for releasing the engagement between the latch receiver 131 and the latch 127 from the inside of the refrigerator.

The door 112 is provided with a heater H for preventing dew condensation.
When attaching the heater box 141, a heater box 141 is interposed between the trim 118 and the inner plate 116 as shown in FIG.
The heater H was housed in the heater box 141 and covered by the cover 142.

[0008]

As described above, in the conventional case where the gasket 122 is attached, the barbed portion 12 of the gasket 122 is attached.
Since the 2A was inserted into and engaged with the gap 121A of the groove 121, normally, by hitting the surface of the gasket 122 with a dedicated tool or hammer,
A was fitted in the gap 121A. In this case, it is difficult to hit the gasket 122 evenly over its entire length, and there are places where the fitting is partially insufficient. Therefore, it requires skill in installation and careful inspection of the installation state is required. Was needed. In addition, there is also a problem in that the elasticity of the gasket 122 is reduced due to hitting with a hammer etc.

The present invention has been made to solve the above-mentioned conventional technical problems, and an object of the present invention is to provide a door device having improved workability and certainty when attaching a gasket to a trim. .

[0010]

The door device of the present invention is provided with a trim for mounting a gasket around the inner surface, and the trim includes a groove into which the mounting portion of the gasket is inserted and a hinge portion. And a lid portion that opens and closes the groove, and an engagement portion that maintains the closed state of the lid portion.
The lid portion forms a gap for holding the gasket mounting portion between the end portion and the opposing wall in the state where the groove is closed.

In addition to the above, the door device according to the invention of claim 2 is:
The trim is characterized in that it has a screw stop located inside the lid, and a screw penetrates through the cover in a closed state and is screwed into the screw stop.

[0012]

According to the door device of the present invention, a groove into which the gasket mounting portion is inserted into a trim for mounting the gasket, and a lid portion which is rotatable by a hinge portion and which opens and closes the groove are provided. Forming an engaging portion that maintains the closed state of the lid portion,
With the lid closed with the groove, a gap is formed between the end of the lid and the opposing wall to hold the attachment. Therefore, when attaching the gasket to the trim, the lid should be closed. The gasket can be attached and retained by inserting the attachment portion into the groove in the opened state and then closing the lid portion.

Therefore, it is no longer necessary to hit it with a hammer as in the prior art, and it becomes possible to attach the gasket to the trim extremely easily and stably without damaging the gasket. Particularly, in the invention of claim 2, in addition to this, a screw stop portion is formed on the trim located inside the lid portion,
If the lid is closed and a screw is passed through it and screwed into the screw stop, the inconvenience that the engaging part is disengaged and the lid is opened due to impact and the gasket is disengaged can be avoided. You will be able to do that.

[0014]

Embodiments of the present invention will be described in detail below with reference to FIGS. FIG. 1 shows a perspective view of a prefabricated refrigerator P as an embodiment to which the present invention is applied. The main body of the prefabricated refrigerator 1 is assembled by joining a plurality of side plate panels (prefabricated panels) 1, and an opening 2 is formed in the side plate panel 1 that constitutes the front surface of the prefabricated refrigerator 1. A storage opening frame 3 having a substantially L-shaped cross section formed by double extrusion molding of vinyl chloride is fixed by screws 4 and 4.

A plurality of heater attachment grooves 7 are formed on the front side 2A of the front side 3A of the storage frame 3, and the grooves 7 are formed.
A cover plate (which serves as a heat dissipation plate when a heater is mounted in the groove 7) 8 made of stainless steel or the like is attached to cover the. The contact plate 8 has a flat plate shape, and its outer edge is inserted and engaged in an inward groove 9 formed on the front side 3A of the storage frame 3 on the outside of the groove 7. On the other hand, a pressing side 10 that is rotatable by a soft hinge portion 6 is formed at the front end of the inner side 3B of the storage frame 3, and the pressing side 10
The projection 11 formed on the inner surface thereof is detachable from the inner side 3B. Then, the front side of the inner edge of the contact plate 8 is pressed while the projection 11 is engaged, and the contact plate 8 is moved to the storage frame 3
Fixed to.

Further, a space 12 that is open to the front is formed in the front surface of the front side 3A of the compartment frame 3 that is closed by the contact plate 8, and lead wires and overheat are also formed in this space 12. It is configured so that a preventer or the like can be arranged. The side plate panel 1 includes inner and outer steel plate face materials 13, 14 and the face material 1
A trim 16 for connecting the flanges 13A and 14A of the Nos. 3 and 14 to each other, and a heat insulating material 17 foam-filled between the face materials 13 and 14 and the trim 16. Further, the trim 16 has a convex portion 16A and a concave portion 16 on opposite sides.
B is formed, and when the panels 1 and 1 are bonded to each other, the convex portions 16A and the concave portions 16B are engaged with each other.

On the other hand, a concave portion is formed on the inner surface of the inner side 3B of the storage frame 3, and the convex portion 16A of the trim 16 of the side panel 1 can be inserted into the concave portion. . Also, the recess 16 of the trim 16 of the side panel 1
When B corresponds, a spacer 18 made of hard foam resin is inserted into the space formed by the recess 16B and the recess.
Engaging ribs 19 are formed on the spacer 18 so as to project. The spacer 18 is attached by engaging the engaging rib 19 with the storage frame 3. Further, the screws 4 and 4 for fixing the storage frame 3 to the side plate panel 1 avoid the spacer 18, pass through both sides thereof, and the face materials 13 and 14 of the side plate panel 1 are passed.
The flanges 13A and 14A are screwed together. This eliminates the need to form a through hole in the spacer 18 itself.

Reference numeral 22 is a door for closing the opening 2 so as to be openable and closable, and is pivotally supported by hinges 23, 23 on the front side 3A on one side of the storage frame 3. Each of the doors 22 has a metal outer plate 24 and an inner plate 26, and both plates 2
The spaces formed by the outer plate 24, the inner plate 26, and the trim 28, and the synthetic resin trim 28 that connects the ends of the screws 4 and 26 by fixing them with the screws 27. It consists of a heat insulating material 29 that is foam-filled inside.

The trim 28 is formed by double extrusion molding of hard and soft vinyl chloride. As shown in FIG. 5, the main body 31 made of hard resin has a rear surface (side panel 1).
A groove 32 that opens is formed on the surface (opposite to). The groove 32 is openable and closable by a lid portion 33 which is rotatable with respect to the main body 31 by a hinge portion 37 made of a soft resin.

An engaging claw 39 is provided on the tip of the inner surface of the lid 33.
Is formed in a protruding manner, and an engaging portion 42 is formed in the main body 31 at a position facing the lid portion 33 in a closed state. When the lid 33 is closed, the engaging claw 39 is
Engage 2 to maintain the closed condition. Further, a screw stop portion 45 is formed on the outside of the engagement portion 42 and inside the lid portion 33, and the recess 3 is formed in the lid portion 33 at a position facing the screw portion 45.
8 are formed. Further, a gap 44 is formed between the walls 43 facing the end of the lid 33 with the groove 32 closed. Further, heater holding portions 34, 34 are formed on the bottom surface of the groove 32 (rear surface of the main body 31).

On the other hand, 41 is a magnet gasket, and a barbed portion 41A as a mounting portion is formed at the base thereof. When the gasket 41 is attached, first the lid 33 is opened as shown in FIG.
As described above, the heater H for preventing dew condensation on the door 22 is provided in the heater holding portions 34, 34. Next, the bent portion 41A of the gasket 41 is inserted into the groove 32 as indicated by the arrow in the figure. In this state, the lid portion 33 is closed and the engaging claw 39 is attached to the engaging portion 4.
2 and engages with each other to hold the barbed portion 41A in the gap 44 between the lid portion 33 and the wall 43. Next, in this state, the screw 36 is directed to the recess 38, and the gasket 41 is held by passing through the lid portion 33 and screwing the screw 41 into the screw stopper portion 45. When the door 22 is closed, the gasket 41 comes into contact with and comes into close contact with the contact plate 8.

With this construction, it is no longer necessary to hit the gasket 41 with a hammer or the like when attaching the gasket 41, and it is extremely easy and stable to attach the gasket 41 to the trim 28 without damaging the gasket 41. Will be able to. Further, since the lid portion 33 is fixed by the screw 36, it is possible to avoid the inconvenience that the engaging claw 39 is disengaged from the engaging portion 42 and the lid portion 33 is opened by the impact or the like, and the gasket 41 is disengaged. Will be able to.

Further, the heater H also has the heater holding portion 3 of the groove 32.
By attaching to No. 4, there is no need to attach a heater box or cover as in the conventional case. Therefore, the number of parts can be reduced and the assembling workability can be improved. A latch 48 having a coil spring (not shown) inside and a latch claw portion 46 and a handle 47 is attached to the front surface of the door 22 on the non-pivotal side, and further, a position facing the latch 48 ( Front side 3 of storage opening frame 3 (on the non-pivotal side of door 22)
A latch receiver 52 having a roller 49 with which the latch claw portion 46 is engaged is attached to A through a latch receiving base 53. Reference numeral 62 denotes a handle for releasing the engagement between the latch receiver 52 and the latch 48 from the inside of the refrigerator.

[0024]

As described in detail above, according to the present invention, the groove for inserting the gasket mounting portion into the trim for mounting the gasket and the lid portion which is rotatable by the hinge portion and which opens and closes the groove. And an engaging portion for maintaining the closed state of the lid portion is formed, and the lid portion forms a gap for holding the attachment portion between the end portion and the opposing wall in a state where the groove is closed. Therefore, when attaching the gasket to the trim, it is possible to attach and hold the gasket by inserting the attaching portion into the groove with the lid portion opened and then closing the lid portion.

Therefore, it is no longer necessary to hit it with a hammer or the like as in the conventional case, and it becomes possible to attach the gasket to the trim extremely easily and stably without damaging the gasket. Particularly, in the invention of claim 2, in addition to this, a screw stop portion is formed on the trim located inside the lid portion,
If the lid is closed and a screw is passed through it and screwed into the screw stop, the inconvenience that the engaging part is disengaged and the lid is opened due to impact and the gasket is disengaged can be avoided. You will be able to do that.

[Brief description of drawings]

FIG. 1 is a perspective view of a prefabricated refrigerator as an embodiment to which the present invention is applied.

2 is a perspective view of a door of the prefabricated refrigerator of FIG. 1. FIG.

FIG. 3 is a sectional view taken along line AA of FIG. 1;

FIG. 4 is an enlarged plan sectional view of the prefabricated refrigerator of FIG. 1 showing a latch receiving portion.

FIG. 5 is a sectional view of a trim.

FIG. 6 is a diagram illustrating a work for attaching a gasket to a door.

FIG. 7 is an enlarged plan sectional view of a latch receiving portion of a conventional prefabricated refrigerator.

FIG. 8 is a diagram illustrating a work of attaching a gasket to a conventional door.

FIG. 9 is an enlarged plan sectional view of a latch receiving portion of a conventional prefabricated refrigerator when a heater for preventing dew condensation on a door is attached.

[Explanation of symbols]

 22 Door 28 Trim 32 Groove 33 Lid 39 Engagement Claw 41 Gasket 41A Heald 42 Engagement 43 Wall 44 Gap

Claims (2)

[Claims] 1. A door device provided with a trim for mounting a gasket around an inner surface thereof, wherein the trim is rotatable with a groove into which a mounting portion of the gasket is inserted and a hinge portion. A lid portion that opens and closes, and an engagement portion that maintains the closed state of the lid portion,
The door device, wherein the lid portion forms a gap between the end portion and a wall facing the groove for holding the attachment portion in a state where the groove is closed. 2. The trim has a screw stop located inside the lid, and a screw penetrates through the cover in a closed state and is screwed to the screw stop. The door device according to claim 1, wherein the door device is a door.