JP4070223B2 - refrigerator - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a refrigerator that cools the interior of a refrigerator with a cooler of a cooling device.
[0002]
[Prior art]
The refrigerator includes a cooling device including a compressor, a condenser, a cooler, and the like. The refrigerant circulates through the cooling device, so that the inside of the refrigerator is cooled by the cooler. In such a refrigerator, maintenance such as replacement or repair of the cooler has been performed.
[0003]
[Problems to be solved by the invention]
The cooler is usually placed in a place where it cannot be easily removed or attached, and when performing maintenance, for example, the operator can remove and attach it in a cramped posture that allows the operator to insert the upper body into the refrigerator body. Had to do the work. For this reason, there has been a problem in that it takes time and effort to remove and attach it.
[0004]
The objective of this invention is obtaining the refrigerator which can maintain a cooler easily.
[0005]
[Means for Solving the Problems]
The present invention is directed to a refrigerator that cools the interior 2 by the cooler 3a. In such a refrigerator, as shown in FIG. 1, the first aspect of the present invention is configured such that the upper surface opening of the heat insulating box 11 is detachably connected to the opening 9 provided in the bottom wall 2 a of the interior 2, and the cooling is performed. A container 3a is arranged in the box 11. And the box 11 can be pulled out from the inside of the refrigerator main body 1 by removing the box 11 from the opening 9 of the bottom wall 2a of the interior 2. The refrigerator here includes a freezer, a refrigerator and a heat storage. The cooler 3a may warm the inside 2 of the store | warehouse | chamber.
[0006]
As shown in FIG. 1 and FIG. 2, the second aspect of the present invention connects the opening 9 provided in the bottom wall 2 a of the interior 2 with the upper surface opening of the box 11 having a heat insulating structure in a detachable manner. The cooler 3a for cooling the inside of the box 11 is arranged in the box 11, and the upper end of the box 11 is connected to the opening 9 of the bottom wall 2a of the cabinet 2, and one end of the box 11 is connected to the refrigerator main body. Fixing means for detachably fixing to 1 is provided. Furthermore, while providing the roller 12 in the other end side of the box 11, the rail 13 by which the said roller 12 is supported so that rolling is possible is provided in the refrigerator main body 1. FIG. And the fixation of the box 11 by a fixing means is cancelled | released, and the said roller 11 can be pulled out from the rear surface opening 18 provided in the refrigerator main body 1 by rolling along the rail 13. FIG. .
[0007]
Specifically, the fixing means is provided so as to face the rear surface opening 18 of the refrigerator main body 1 from which the box 11 is drawn. The roller 12 can be detached from the rail 13. More specifically, the cooler 3 a is connected to the main body portion 3 b of the cooling device 3 through an extendable duct 17.
[0008]
[Effects of the invention]
In the refrigerator of the present invention, the cooler 3a can be pulled out from the refrigerator main body 1 together with the box body 11, so that, for example, when maintaining the cooler 3a, the operator puts the upper body into the refrigerator main body 1 in a tight posture. Therefore, it is not necessary to remove or attach the cooler 3a. Therefore, the maintenance of the cooler 3a can be easily performed. As a result, the maintainability of the cooler 3a can be improved.
[0009]
When the roller 12 of the box 11 is rolled along the rail 13 so that the cooler 3a can be pulled out from the rear opening 18 of the refrigerator body 1 together with the box 11, the box 11 can be easily pulled out and the cooler 3a The maintainability can be further improved.
[0010]
If the fixing means is provided so as to face the rear surface opening 18, the fixing means can be easily operated from the outside via the rear surface opening 18, and the maintainability of the cooler 3a can be further improved. When the roller 12 is detachable from the rail 13, the box 11 can be further pulled out to the outside of the refrigerator body 1 by removing the roller 12 from the rail 13, thereby improving the maintainability of the cooler 3a. More can be achieved.
[0011]
When the cooler 3a is connected to the main body portion 3b of the cooling device 3 by a telescopic pipe line 17, it is not necessary to remove the pipe line 17 from the cooler 3a when the box body 11 is pulled out from the refrigerator main body 1. In that respect, the maintainability of the cooler 3a can be further improved.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
1 to 4 show a refrigerator according to the present invention. In the interior 2 shown in FIG. 1, food such as salad is stored in a state of being placed on a tray or the like, and the interior 2 is cooled by the cooling device 3. That is, the cooling device 3 includes a cooler 3a and a main body portion 3b including a compressor, a condenser, and the like, and the inside 2 is cooled by circulating the refrigerant in a pipe line connecting these.
[0013]
A front opening 4 is provided at the top of the front surface (left side in FIG. 1) of the refrigerator main body 1 to store the food in the cabinet 2. The front opening 4 is opened and closed by a swing door 5. . The front panel 6 provided below the front opening 4 is provided with ventilation holes and the like.
[0014]
The upper surface of the refrigerator body 1 is provided with two front and rear upper surface openings 7 and 7 for taking out the food from the interior 2 and the upper surface openings 7 and 7 are sliding doors that slide in the front and rear direction. Opened and closed by 8 and 8, respectively. In the refrigerator main body 1, a control unit (not shown) for controlling the main body 3b and the like of the cooling device 3 is arranged, and an operation for setting the internal temperature etc. at an appropriate place of the refrigerator main body 1 A switch, a display unit for displaying the internal temperature, and the like are arranged.
[0015]
The front and rear, right and left and upper and lower peripheral walls of the interior 2 have a heat insulating structure in which a heat insulating material made of hard polyurethane foam or the like is covered with a stainless steel plate or the like. An opening 9 is provided in the bottom wall 2 a of the interior 2, and an upper surface opening of a box 11 having a heat insulating structure is detachably connected to the opening 9. The cooler 3 a is disposed in the box 11. A fan or the like is attached to the cooler 3a.
[0016]
The peripheral wall of the box 11 is configured by covering a heat insulating material made of hard foamed polyurethane or the like with a stainless steel plate or the like, like the peripheral wall of the interior 2. When the box 11 is connected to the opening 9 in the box 2, the internal space of the box 11 and the box 2 are connected, and the box 2 is cooled by the cooler 3a in the box 11. It has become. The packing 10 (FIG. 3) which consists of an elastic member etc. is arrange | positioned at the periphery of the upper surface opening of the box 11, and the internal space of the box 11 and the interior 2 are connected in an airtight state. .
[0017]
A pair of left and right rollers 12 and 12 shown in FIG. 2 are disposed on the front upper portion of the box body 11 (up and down in FIG. 2), and these rollers 12 and 12 are a pair of left and right provided in the refrigerator body 1. Each of the rails 13 and 13 is supported so as to be able to roll. That is, as shown in FIGS. 3 and 4, the left and right rails 13 and 13 are disposed in the recesses 14 and 14 respectively recessed in the lower surfaces of the left and right side walls of the interior 2. The recesses 14 and 14 extend in the front-rear direction (left-right direction in FIG. 3), and the rails 13 and 13 extend along the recesses 14 and 14 in the front-rear direction.
[0018]
The front ends (left side in FIG. 3) of the rails 13 and 13 are positioned in the vicinity of the front end surfaces of the recesses 14 and 14, thereby preventing the rollers 12 and 12 from falling off from the front ends of the rails 13 and 13. Further, the rear ends of the rails 13 and 13 are positioned in front of the rear end surfaces of the recesses 14 and 14, and a gap 14a is formed between the rear ends of the rails 13 and 13 and the rear end surfaces of the recesses 14 and 14. The rollers 12 and 12 can be detached from the rails 13 and 13 through the gap 14a.
[0019]
As shown in FIG. 2, a pair of left and right lever operation type fasteners (fixing means) 15, 15 are attached to the rear surface of the box body 11, and these fasteners 15, 15 are connected to the rear part in the refrigerator body 1. It is detachably locked (fixed) to a pair of right and left hooks (fixing means) 16 and 16 attached to (see FIG. 1). The box 11 can be pulled out backward by removing the fasteners 15 and 15 from the hooks 16 and 16.
[0020]
As shown in FIG. 1, a rear opening 18 is provided at the lower rear portion of the refrigerator body 1, and a rear panel 19 is detachably attached to the rear opening 18. The box body 11 is disposed such that the rear portion thereof is positioned close to the rear surface opening 18, and the fasteners 15 and 15 face the rear surface opening 18. When the rear panel 19 is removed from the rear opening 18 of the refrigerator body 1, the fasteners 15 and 15 can be easily operated from the outside through the rear opening 18.
[0021]
As shown in FIG. 3, the pipe line 17 connecting the cooler 3a in the box 11 and the main body 3b of the cooling device 3 has a coil shape that can be expanded and contracted, and the pipe line 17 is connected to the cooler 3a. Even if it is not removed, the cooler 3 a can be moved together with the box 11 by expanding and contracting the pipe line 17. The pipe line 17 passes through the front wall of the box 11 and is connected to the cooler 3a.
[0022]
Next, a procedure for removing the cooler 3a will be described. First, the rear panel 19 of the refrigerator body 1 is removed, and the fasteners 15 and 15 are removed from the hooks 16 and 16 while supporting the box 11 to release the fixed state of the box 11. Next, the box body 11 is inclined with the rollers 12 and 12 as fulcrums, and the rear end of the box body 11 is placed on the bottom surface 1 a of the refrigerator body 1 as shown in FIG.
[0023]
When the box 11 is pulled rearward in this state, the rollers 12 and 12 roll on the rails 13 and 13, and the box 11 easily slides backward. When the rollers 12 and 12 move to the rear ends of the rails 13 and 13 (the state shown in FIG. 5B), the rollers 12 and 12 are detached from the rails 13 and 13 while supporting the box 11, and the box The box 11 is placed on the bottom surface 1a of the refrigerator body 1 so that 11 is in a horizontal posture.
[0024]
Thereafter, the box body 11 is further pulled rearward, and as shown in FIG. 5C, about half of the box body 11 is protruded rearward of the refrigerator. In this state, about half of the cooler 3a is exposed to the outside of the refrigerator, so that an operator can perform maintenance such as replacement and repair of the cooler 3a in a comfortable posture.
[0025]
After the maintenance of the cooler 3a, the box body 11 is pushed forward, the front side of the box body 11 is lifted, and the rollers 12 and 12 are placed on the rails 13 and 13 through the gap 14a. When the box 11 is pushed forward in this state, the rollers 12 and 12 roll on the rails 13 and 13 and the box 11 easily slides forward.
[0026]
When the rollers 12 and 12 roll to the front ends of the rails 13 and 13, the rear side of the box 11 is lifted, and the fasteners 15 and 15 of the box 11 are locked to the hooks 16 and 16, respectively. Thereby, the upper surface opening of the box 11 is fixed in a state of being connected to the opening 10 of the bottom wall 2a of the interior 2, and the interior 2 can be cooled by the cooler 3a. When the fasteners 15, 15 are locked to the hooks 16, 16, the upper surface of the box 11 is pressed against the bottom wall 2 a of the inside 2 through the packing, and the airtightness between the box 11 and the inside 2 Is preserved.
[0027]
Thus, when the fasteners 15 and 15 of the box 11 are removed from the hooks 16 and 16 of the refrigerator body 1 and the box 11 is pulled backward, the box 11 easily moves rearward and the cooler 3a is Since it is exposed to the outside of the refrigerator main body 1 together with the body 11, the work of removing or attaching the cooler 3 a can be performed even if the operator does not take a cramped posture that causes the upper body to enter the interior 2. Therefore, it is possible to quickly and easily perform the removal and attachment operations.
[0028]
In addition, by removing the front panel 6 of the refrigerator main body 1, the main body 3 b of the cooling device 3 in the refrigerator main body 1 may be drawn forward. A drain pipe may be connected to the box body 11 so that drainage from the cooler 3a accompanying the defrosting operation of the cooler 3a may be discharged out of the refrigerator body 1 through the drain pipe.
[Brief description of the drawings]
FIG. 1 is a longitudinal sectional view of a refrigerator according to the present invention.
FIG. 2 is a cross-sectional view taken along line AA in FIG.
FIG. 3 is a side view of the box.
4 is a cross-sectional view taken along line BB in FIG.
FIG. 5 is a schematic view for explaining a procedure for removing a cooler.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Refrigerator main body 2 Inside 2a Bottom wall 3 Inside cooling device 3a Cooling device 3b Main part 9 of cooling device 11 Opening 11 Box 12 Roller 13 Rail 15 Fastener 16 Hook 17 Pipe line 18 Rear opening

Claims (4)

A cooler that cools the interior (2) by detachably connecting the top opening of the box (11) with a heat insulating structure to the opening (9) provided in the bottom wall (2a) of the interior (2). 3a) is arranged in the box (11),
With the top opening of the box (11) connected to the opening (9) of the bottom wall (2a) of the interior (2), one end of the box (11) can be attached to and detached from the refrigerator body (1). There is a fixing means to fix to
A roller (12) is provided on the other end of the box (11), and a rail (13) on which the roller (12) is supported so as to be able to roll is provided in the refrigerator body (1).
By releasing the fixation of the box (11) with the fixing means, it is possible to tilt the box (11) with the roller (12) as a fulcrum,
With the box (11) tilted, the roller (12) rolls along the rail (13) to move the box (11) rearward, so that the box (11) is moved to the refrigerator body (1). The refrigerator is adapted to be pulled out from the rear opening (18) provided in the above . The refrigerator according to claim 1, wherein the fixing means is provided so as to face the rear opening (18) of the refrigerator body (1) from which the box (11) is drawn . The refrigerator according to claim 1 or 2 , wherein the roller (12) is detachable from the rail (13) through a gap (14a) formed on the rear end side of the rail (13) . The refrigerator according to claim 1, 2, or 3 , wherein the cooler (3 a) is connected to the main body (3 b) of the cooling device (3) through an extendable duct (17) .

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