JP2016156556A - Door for cooling room - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a door for a cooling room which maintains the aesthetic quality of the appearance and enables a glass panel to be easily removed.SOLUTION: A door for a cooling room includes: a door part 60 disposed at an opening of a cooling room having the opening at a front side and configured to cool a stored object; and a glass panel 61 disposed at the front side of the door part. The door for the cooling room includes: a support part 64 provided at a front portion of the door part 60 and supporting the glass panel 61; and an attachment part 63 which is provided on a rear surface of the glass panel 61 and removably attaches the glass panel 61 to the support part 64.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a cooling chamber door that opens and closes a cooling chamber that cools an object.

  Since the ratio of the refrigerator occupying the kitchen is large, a refrigerator having a glass panel on the outer surface of the door is conventionally provided in order to improve the appearance design. The glass panel may be supported by a frame. The frame is provided with a groove, and the peripheral edge of the glass panel is inserted into the groove (see, for example, Patent Document 1).

  When the refrigerator is discarded, it is necessary to separate the glass panel from other parts for recycling. When the glass panel is supported by the frame, the glass panel can be separated simply by removing the glass panel from the groove of the frame.

JP 2010-60190 A

  In recent years, a refrigerator in which a glass panel is fixed to an outer surface of a door with an adhesive without using a frame has been provided in order to further improve appearance design. Since the adhesive has strong adhesiveness to prevent the glass panel from falling, it is difficult to peel off the glass panel from the door.

  This invention is made | formed in view of such a situation, and it aims at providing the door for cooling chambers which maintains an external appearance design property and is easy to remove a glass panel.

  The cooling chamber door according to the present invention has an opening on the front side, and includes a door portion disposed in the opening of the cooling chamber that cools an accommodated object, and a glass panel disposed on the front side of the door portion. The cooling chamber door provided is provided at a front portion of the door portion, and is provided on a support portion for supporting the glass panel and a rear surface of the glass panel, and the glass panel can be detached from the support portion. And an attachment portion to be attached.

  In the cooling chamber door according to the present invention, the support portion has a frame shape and is provided at a peripheral portion of the door portion, and the attachment portion has a frame shape and is fixed to the peripheral portion of the glass panel. A fixed portion and a facing portion that protrudes rearward from the fixed portion and faces the rear portion of the support portion, and the facing portion and the rear portion of the support portion are connected by a detachable connecting member. It is characterized by.

  In the cooling chamber door according to the present invention, the support portion includes a covering portion that covers a front surface of the door portion, and a recess portion provided at a front portion of the covering portion, and the attachment portion is inserted into the recess portion. It is characterized by being.

  The cooling chamber door according to the present invention includes a protrusion that is located below the glass panel and protrudes forward from a lower portion of the covering portion.

  In the cooling chamber door according to the present invention, the concave portion is recessed downward, has an insertion portion for inserting the attachment portion, and prevents upward movement of the glass panel above the glass panel. A blocking portion is provided for this purpose.

  In the cooling chamber door according to the present invention, the mounting portion is provided on the rear surface of the glass panel, and the mounting portion can be detached from the support portion, so both maintenance of appearance design and removal of the glass panel are achieved. Can be made.

3 is a front view schematically showing the refrigerator according to Embodiment 1. FIG. It is the schematic sectional drawing which made the II-II line shown in FIG. 1 the cutting line. It is a partial expanded sectional view which shows a right door schematically. It is a partial expanded sectional view which shows the right door of the refrigerator which concerns on Embodiment 2 schematically. FIG. 10 is a side cross-sectional view schematically showing a right door of a refrigerator according to Embodiment 3. FIG. 10 is a side cross-sectional view schematically showing a right door of a refrigerator according to a fourth embodiment. It is a partial expanded side surface sectional view which shows the attachment part and recessed part of the refrigerator which concern on Embodiment 5 schematically. FIG. 10 is a side sectional view schematically showing a right door of a refrigerator according to a sixth embodiment. FIG. 10 is a partial plan sectional view schematically showing a right door of a refrigerator according to a seventh embodiment. FIG. 10 is a partial plan sectional view schematically showing a right door of a refrigerator according to an eighth embodiment.

(Embodiment 1)
Hereinafter, the present invention will be described based on the drawings showing the refrigerator according to the first embodiment. FIG. 1 is a front view schematically showing a refrigerator, and FIG. 2 is a schematic cross-sectional view taken along line II-II shown in FIG.

  The refrigerator 1 includes a vertically long rectangular parallelepiped outer box 1a whose front is opened, and a vertically long rectangular parallelepiped inner box 1b which is provided inside the outer box 1a. Between the outer box 1a and the inner box 1b, a foam heat insulating material 1c, for example, a urethane foam material is filled.

  A substantially horizontal upper heat insulating wall 2 and lower heat insulating wall 3 are provided on the upper and lower portions of the inner box 1b, respectively. The upper heat insulating wall 2 extends to the rear surface and the left and right side surfaces of the inner box 1b, and divides the space in the inner box 1b vertically. The right part of the lower heat insulation wall 3 extends to the rear surface and the right side surface of the inner box 1b, and an opening (not shown) is provided in the rear part of the left part. The space above and below the lower heat insulating wall 3 communicates with the opening.

  In the inner box 1b, the part above the upper heat insulating wall 2 forms a refrigerating chamber 6 for refrigerating the housed object. The room temperature of the refrigerator compartment 6 is set to about 2-4 degreeC, for example. Further, a portion below the lower heat insulating wall 3 forms a first freezing chamber 10 for freezing the housed object. The room temperature of the 1st freezer compartment 10 is set up to become -18 ° C or less, for example.

  In the inner box 1b, on the upper side of the lower heat insulation wall 3, a second freezing chamber 20 for freezing the contained object and an ice making chamber 30 for producing ice are formed. In the inner box 1 b, the second freezing chamber 20 and the ice making chamber 30 are arranged on the left side, and the second freezing chamber 20 is located below the ice making chamber 30. The room temperature of the second freezing room 20 and the ice making room 30 is set to be −18 ° C. or lower, for example.

  Between the upper heat insulation wall 2 and the lower heat insulation wall 3, a vegetable room 40 for refrigerated objects such as vegetables is formed on the right side of the second freezing room 20 and the ice making room 30. The room temperature of the vegetable room 40 is set to about 7 to 10 ° C., for example.

  A plurality of (three in the present embodiment) plate-like storage shelves 7, 7, 7 are arranged in the upper and lower sides in the upper part of the refrigerator compartment 6. The storage shelf 7 is located on the rear side of the refrigerator compartment 6. A chilled chamber 8 a is provided at the bottom of the refrigerator compartment 6. A front side portion of the bottom of the refrigerating chamber 6 is provided with a through hole 2a that vertically penetrates the upper heat insulating wall 2 and allows the air in the refrigerating chamber 6 to flow downward.

  A right door 6a and a left door 6b that are rotatable about the vertical direction as a rotation axis direction are provided on the front right part and the front left part of the refrigerator compartment 6, respectively. The right door 6a and the left door 6b have a rectangular shape that is long in the vertical direction. The front opening portion of the refrigerator compartment 6 is covered by the right door 6a and the left door 6b. Packing is provided at the edge portions of the right door 6a and the left door 6b, and the right door 6a and the left door 6b close the front opening of the refrigerator compartment 6 in an airtight manner.

  On the rear surface of each of the right door 6a and the left door 6b, a plurality of (three in this embodiment) storage pockets 6c, 6c, 6c for storing objects (for example, food in bottles, cans or tube containers) are provided. It has been.

  The first freezer compartment 10 is provided with a box-shaped first freezer compartment case 11 whose upper side is open so as to be slidable back and forth. The second freezer compartment 20 is provided with a box-shaped second freezer compartment case 21 whose upper side is open so as to be slidable back and forth.

  The ice making chamber 30 is provided with a box-shaped ice making case 31 whose upper side is open so as to be slidable back and forth. The vegetable room 40 is provided with a box-shaped vegetable room case 41 whose upper side is open so as to be slidable back and forth. At the rear bottom of the vegetable compartment 40, there is provided a discharge port 40a that penetrates up and down and discharges air downward.

  A compressor 50 is provided behind the bottom of the first freezer compartment 10. The compressor 50 is connected with a condenser, an expander, and a cooler (all not shown). A refrigerant such as isobutane is circulated by driving the compressor 50 to operate the refrigeration cycle. Thereby, a cooler becomes the low temperature side of a refrigerating cycle.

  The air cooled by the cooler moves upward by a fan (not shown) and is distributed to each chamber through a passage (not shown).

  Next, the configuration of the right door 6a will be described. FIG. 3 is a partially enlarged sectional view schematically showing the right door 6a.

  The right door 6a has a door portion 60 having a vertically long rectangular plate shape, a glass panel 61 having a vertically long rectangular shape disposed on the front side of the door portion 60, a frame shape of a vertically long rectangle, and a rear peripheral edge of the glass panel 61. A mounting portion 63 for attaching the glass panel 61 to the door portion 60; a support portion 64 for supporting the glass panel 61; the glass panel 61 and the door; A foam heat insulating material 62 (for example, urethane foam heat insulating material) filled between the portions 60 is provided.

  A door liner 60a and a door packing 60b are provided along the edge portion of the rear edge portion of the door portion 60. The door packing 60b is adjacent to the door liner 60a.

  The attachment portion 63 has a vertically long rectangular shape, and protrudes inward from a peripheral surface portion 63a (opposing portion) having a short cylindrical shape with the front-rear direction as an axial direction, and a front edge portion of the peripheral surface portion 63a. An adhesive plate 63d (fixed portion) that adheres to the support portion 64, and a connecting plate 63b that protrudes inward from the rear edge portion of the peripheral surface portion 63a and is connected to the support portion 64. The connection plate 63b is provided with a screw hole 63c penetrating in the front-rear direction. The door portion 60 does not face the rear surface of the connecting plate 63b, and the screw hole 63c is exposed rearward.

  The support part 64 includes a rear part 64a having a step shape such that the rear part is located inward of the front part, and a front part 64c protruding inward from the front part of the rear part 64a. The protruding end portion of the front portion 64c is bent forward, and the front portion 64c has an L-shaped cross section. A recess 64b is formed on the rear surface of the rear portion 64a. The position of the recess 64b corresponds to the position of the screw hole 63c. A tapping screw 65 (connection member) is inserted into the screw hole 63c and fastened to the recess 64b. The tapping screw 65 is exposed rearward and can be removed. The rear surface of the adhesive plate 63d faces the front surface of the front portion 64c.

  The front surface of the bonding plate 63 d is bonded to the rear surface edge portion of the glass panel 61 with an adhesive 66. A film 67 is attached to the center of the rear surface of the glass panel 61. The film 67 prevents the glass from scattering when the glass panel 61 is broken. The film 67 is made of a material that the foam heat insulating material 62 is difficult to adhere to. Examples of the material of the film 67 include polyethylene.

  The foam heat insulating material 62 is coupled to the support portion 64 and the door portion 60. The attachment portion 63 and the support portion 64 are designed so that a space 68 is formed between the attachment portion 63 and the support portion 64. By providing the space 68, heat conduction can be suppressed.

  When the refrigerator 1 is discarded, the glass panel 61 is separated from other components. By removing the tapping screw 65 from the recess 64 b, the attachment portion 63 is separated from the support portion 64, and the glass panel 61 is separated from the foam heat insulating material 62. Since the film 67 is interposed, the foam heat insulating material 62 is not bonded to the glass panel 61, and the glass panel 61 is separated from the foam heat insulating material 62.

  By simply removing the tapping screw 65, the attachment portion 63 can be separated from the support portion 64, so that both the maintenance of the appearance design of the right door 6a and the removal of the glass panel 61 can be achieved.

  In addition, it is preferable that the heat conductivity of the attachment part 63 and the support part 64 is small. Therefore, glass wool, foam heat insulating material, vacuum heat insulating material, or the like may be provided in the space 68 between the attachment portion 63 and the support portion 64. Further, when a wall or a column is created in order to secure the space 68, the cross-sectional area is reduced and the thermal conductivity is reduced.

(Embodiment 2)
Hereinafter, the present invention will be described based on the drawings showing a refrigerator 1 according to a second embodiment. FIG. 4 is a partially enlarged sectional view schematically showing the right door 6a.

  The mounting portion 63 includes a protruding portion 63e that protrudes forward from the protruding end portion of the connecting plate 63b, and a locking claw 63f (connecting member) provided at the tip portion of the protruding portion 63e. The support part 64 protrudes inward from the opening peripheral part of the recessed part 64b, and is provided with the to-be-latched nail | claw 64d (connection member) latched by the latching claw 63f. The locking claw 63f is inserted into the recess 64b and locked to the locked claw 64d.

  By releasing the locking claw 63f and the locked claw 64d, the attachment portion 63 is separated from the support portion 64, and the glass panel 61 is separated from the foam heat insulating material 62. Therefore, the appearance design of the right door 6a is improved. Both maintenance and removal of the glass panel 61 can be achieved.

  As shown in FIG. 4, the door portion 60 faces the rear surface of the connecting plate 63b, but the door portion 60 may be configured not to face the rear surface of the connecting plate 63b.

  Of the configurations according to the second embodiment, configurations similar to those of the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.

(Embodiment 3)
Hereinafter, the present invention will be described based on the drawings showing a refrigerator 1 according to a third embodiment. FIG. 5 is a side sectional view schematically showing the right door 6a. The support portion 64 has a vertically long rectangular box shape with an open rear side, and is provided on the front surface of the door portion 60. The support portion 64 includes a covering portion 64e that covers the front surface of the door portion 60, and a peripheral surface portion 64h that protrudes rearward from the periphery of the covering portion 64e. Between the door part 60 and the support part 64, the foam heat insulating material 62 is filled.

  A plurality of concave portions 64f, 64f,..., 64f are arranged in parallel in the covering portion 64e. The lower portion of the concave portion 64f is recessed downward to form an insertion lower portion 64g into which a mounting portion 63 described later is inserted. The lower bottom of the insertion lower portion 64g is located below the opening 64i of the recess 64f.

  A plurality of attachment portions 63, 63,... 63 are vertically arranged on the rear surface of the glass panel 61. The position of the attachment portion 63 corresponds to the position of the recess 64f. The attachment portion 63 has a crank shape in side view.

  The attachment portion 63 includes an adhesive plate 63d that adheres to the glass panel 61, a fitting plate 63g that is located behind and extends downward from the adhesive plate 63d, an upper end portion of the fitting plate 63g, and a lower end portion of the adhesive plate 63d. And a connecting portion 63h for connecting the two.

  The adhesive plate 63d is adhered to the glass panel 61 with an adhesive 66. The fitting plate 63g is inserted into the recess 64f, and is further inserted into the insertion lower portion 64g so as to be detachably fitted.

  By pulling up the glass panel 61 upward, the mounting portion 63 is extracted from the recess 64f, and the glass panel 61 is separated from the support portion 64. Therefore, both the maintenance of the appearance design of the right door 6a and the removal of the glass panel 61 are achieved. Can do.

  Of the configurations according to the third embodiment, configurations similar to those of the first or second embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.

(Embodiment 4)
Hereinafter, the present invention will be described based on the drawings showing a refrigerator 1 according to a fourth embodiment. FIG. 6 is a side sectional view schematically showing the right door 6a. A protruding plate 64j (protruding portion) protruding forward is provided at the lower end portion of the supporting portion 64. The protruding plate 64j is positioned below the glass panel 61 and supports the lower end portion of the glass panel 61.

  When a force is applied to the handle portion of the right door 6a in a state where heavy objects such as plastic bottles are stored in the storage pocket 6c provided inside the door portion 60, the door portion 60 is twisted, and the glass panel 61 is There is a possibility of peeling from the support portion 64. Depending on the adhesive 66, the adhesiveness decreases as the temperature increases, and therefore the possibility of the glass panel 61 peeling off in a high temperature environment increases.

  Since the protruding plate 64j supports the glass panel 61, the holding force of the glass panel 61 by the support portion 64 is enhanced, and the glass panel 61 can be prevented from peeling off and falling off, thereby improving safety.

  Of the configurations according to the fourth embodiment, configurations similar to those of the first to third embodiments are denoted by the same reference numerals, and detailed description thereof is omitted.

(Embodiment 5)
Hereinafter, the present invention will be described with reference to the drawings showing a refrigerator 1 according to a fifth embodiment. FIG. 7 is a partially enlarged side sectional view schematically showing the attaching portion 63 and the recessed portion 64f. The attachment portion 63 is made of a thin metal plate. The lower bottom portion of the recess 64f is open. The fitting plate 63g is inserted into the opened lower bottom portion and enters the foam heat insulating material 62.

  Of the configurations according to the fifth embodiment, configurations similar to those of the first to fourth embodiments are denoted by the same reference numerals, and detailed description thereof is omitted.

(Embodiment 6)
Hereinafter, the present invention will be described based on the drawings showing a refrigerator 1 according to a sixth embodiment. FIG. 8 is a side sectional view schematically showing the right door 6a.

  A blocking portion 70 for blocking the upward movement of the glass panel 61 is provided on the upper portion of the support portion 64. The blocking portion 70 has a crank shape when viewed from the side. The blocking part 70 includes a fixing part 71 fixed to the upper surface of the support part 64, a facing part 72 positioned above the fixing part 71 and facing the upper end part of the glass panel 61, the facing part 72 and the fixing part And a connecting portion 73 for connecting the portion 71.

  The fixing portion 71 is provided with a screw hole 71a penetrating vertically. A screw hole 64k that penetrates up and down and has a thread groove formed on the inner peripheral surface is provided in the upper portion of the support portion 64. The position of the screw hole 64k corresponds to the position of the screw hole 71a. A screw 68 is inserted into the screw hole 71a and is screwed into the screw hole 64k. The upper end portion of the glass panel 61 and the facing portion 72 are close to each other.

  Since the facing portion 72 is close to the glass panel 61, the glass panel 61 cannot move upward. Therefore, it is possible to prevent the attachment portion 63 from coming out of the recess 64f and dropping the glass panel 61. When removing the glass panel 61, the screw 68 may be removed from the screw hole 64k and the blocking portion 70 may be removed from the support portion 64.

  Of the configurations according to the sixth embodiment, configurations similar to those of the first to fifth embodiments are denoted by the same reference numerals, and detailed description thereof is omitted.

(Embodiment 7)
Hereinafter, the present invention will be described with reference to the drawings showing a seventh embodiment. FIG. 9 is a partial plan sectional view schematically showing the door 6a. The peripheral edge portion of the glass panel 61 is bent rearward and covers the peripheral surface portion 63 a of the attachment portion 63. The peripheral portion of the glass panel 61 is bonded to the peripheral surface portion 63 a of the mounting portion 63 with an adhesive 66. That is, the peripheral surface portion 63 a constitutes a fixed portion fixed to the peripheral edge portion of the glass panel 61.

  By bending the peripheral portion of the glass panel 61 toward the rear, the appearance design of the door 6a can be improved.

  Of the configurations according to the seventh embodiment, configurations similar to those of the first to sixth embodiments are denoted by the same reference numerals, and detailed description thereof is omitted.

(Embodiment 8)
The present invention will be described below with reference to the drawings showing the eighth embodiment. FIG. 10 is a partial plan sectional view schematically showing the door 6a. The peripheral portion of the glass panel 61 is bent rearward and covers the outer periphery of the attachment portion 63. By bending the peripheral portion of the glass panel 61 toward the rear, the appearance design of the door 6a can be improved.

  The support portion 64 has an L-shaped cross section in plan view, and includes a first portion 641 extending in the front-rear direction and a second portion 642 protruding outward from the rear end portion of the first portion 641. The second portion 642 faces the end surface of the peripheral portion of the glass panel 61. The second portion 642 is formed with an insertion hole 642a penetrating in the front-rear direction.

  The attachment portion 63 is disposed in a space surrounded by the first portion 641, the second portion 642 and the glass panel 61. The attachment portion 63 protrudes inward from the peripheral surface portion 63 a and has a fixing portion 63 i for fixing the support portion 64. A recessed portion 63j is provided on the rear surface portion of the fixed portion 63i. The position of the recess 63j corresponds to the position of the insertion hole 642a. A tapping screw 65 is inserted into the insertion hole 642a and fastened to the recess 63j.

  A spacer 69 is provided between the first portion 641 and the attachment portion 63. By providing the spacer 69, a space 68 is formed between the attachment portion 63 and the support portion 64, and heat transferability can be reduced.

  Of the configurations according to the eighth embodiment, configurations similar to those of the first to seventh embodiments are denoted by the same reference numerals, and detailed description thereof is omitted.

  The configuration of the left door 6b is the same as that of the right door 6a according to the above-described embodiment. Moreover, you may comprise the front part of the 1st freezer compartment case 11, the 2nd freezer compartment case 21, the ice-making compartment case 31, and the vegetable compartment case 41 similarly to the right door 6a. In this case, the 1st freezer compartment 10, the 2nd freezer compartment 20, ice making room 30, and vegetable compartment 40 constitute a cooling room, and the front part constitutes a cooling room door.

  It should be thought that embodiment disclosed this time is an illustration and restrictive at no points. The technical features described in each embodiment can be combined with each other, and the scope of the present invention is intended to include all modifications within the scope of claims and the scope equivalent to the scope of claims. Is done.

  The following matters are further disclosed regarding the embodiment of the present invention described above.

  The cooling chamber door 6a according to the present invention has an opening on the front side and is disposed on the front side of the door portion 60 disposed in the opening of the cooling chamber 6 that cools the accommodated object. In the cooling chamber door 6 a including the glass panel 61, the cooling chamber door 6 a is provided at the front portion of the door portion 60, the support portion 64 that supports the glass panel 61, and the rear surface of the glass panel 61, The glass panel 61 is provided with the attachment part 63 which attaches to the said support part 64 so that removal is possible.

  In the cooling chamber door 6a according to the present invention, the support portion 64 has a frame shape and is provided at a peripheral portion of the door portion 60, the attachment portion 63 has a frame shape, and the glass panel 61 A fixing portion 63d fixed to the peripheral portion; and a facing portion 63a that protrudes rearward from the fixing portion 63d and faces the rear portion of the supporting portion 64. The facing portion 63a and the rear portion of the supporting portion 64 are It is connected by a detachable connecting member.

  In the cooling chamber door 6a according to the present invention, the support portion 64 includes a covering portion 64e that covers the front surface of the door portion 60, and a concave portion 64f that is provided in a front portion of the covering portion 64e. The portion 63 is inserted into the concave portion 64f.

  The cooling chamber door 6a according to the present invention includes a protrusion 64j that is located below the glass panel 61 and protrudes forward from the lower portion of the covering portion 64e.

  In the cooling chamber door 6a according to the present invention, the concave portion 64f is depressed downward, has an insertion lower portion 64g (insertion portion) into which the attachment portion 63 is inserted, and the glass panel 61 is provided with the glass on the upper side. A blocking portion 70 for blocking the upward movement of the panel 61 is provided.

  The cooling chamber door 6 a according to the present invention is characterized in that an edge portion of the glass panel 61 is bent rearward so as to cover the mounting portion 63.

  The refrigerator according to the present invention includes any one of the above-described cooling chamber doors 6a and the cooling chamber 6 that is opened and closed by the cooling chamber door 6a.

1 Refrigerator 6 Cooling chamber 6a Right door (cooling chamber door)
60 Door part 61 Glass panel 63 Mounting part 63a Peripheral surface part (opposing part, fixed part)
63d Adhesive plate (fixing part)
63f Locking claw (connecting member)
64 Support part 64d Claw to be locked (connection member)
64e Covering part 64f Concave part 64g Insertion lower part (insertion part)
64j Projection plate (projection)
65 Tapping screw (connecting member)
70 Blocking part

Claims (5)

In a door for a cooling chamber having an opening on the front side and including a door portion disposed in the opening of the cooling chamber that cools an accommodated object, and a glass panel disposed on the front side of the door portion,
Provided in the front part of the door part, and a support part for supporting the glass panel;
A cooling room door, comprising: a mounting portion that is provided on a rear surface of the glass panel and removably attaches the glass panel to the support portion. The support portion has a frame shape and is provided at a peripheral portion of the door portion,
The mounting portion is
A frame, and a fixed portion fixed to a peripheral portion of the glass panel;
A rear part protruding from the fixed part and facing the rear part of the support part,
The cooling chamber door according to claim 1, wherein the facing portion and the rear portion of the support portion are connected by a detachable connecting member. The support part is
A covering portion covering the front surface of the door portion;
A recess provided at the front of the covering portion,
The cooling chamber door according to claim 1, wherein the attachment portion is inserted into the recess. The cooling room door according to claim 3, further comprising: a protrusion that is located below the glass panel and protrudes forward from a lower portion of the covering portion. The concave portion is recessed downward, and has an insertion portion for inserting the attachment portion,
5. The cooling chamber door according to claim 3, wherein a blocking portion for blocking upward movement of the glass panel is provided on the upper side of the glass panel.

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