JP3875000B2 - Insulation box drainage structure - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a drainage structure for a heat insulating box, and more specifically, for example, a groove is formed in an opening formed in a front portion of a heat insulating box such as an ice making machine, and a door disposed in the opening. The present invention relates to a drainage structure for a heat insulating box that collects water such as dew condensation that is generated and discharges it outside the box.
[0002]
[Prior art]
In a conventional ice making machine or the like, as shown in FIG. 7, an ice making mechanism (not shown) is disposed above the inside of a heat insulating box 50 that forms the main body, and ice produced by this ice making mechanism is placed below the ice making mechanism. The ice storage chamber 56 is defined so as to fall and discharge to store it sequentially. In addition, an opening 50a is opened on the front side of the heat insulation box 50 with a width dimension slightly smaller than the lateral width, and a door 52 formed to have a size capable of closing the opening 50a, Along the guide grooves formed on both sides of the opening 50a in the width direction, the openings 50a are slidable in the vertical direction. The door 52 is always in a position to close the opening 50a. The door 52 is moved upward along the opening 50a to open the opening 50a, so that the door 52 is stored in the ice storage chamber 56. The ice that has been able to be taken out. Further, as shown in FIG. 8, a hook-shaped guide member 54 extending inward so as to cover the front upper end portion of the ice storage chamber 56 is disposed at the inner lower portion of the opening 50 a in the heat insulating box 50. Water such as dew condensation generated on the surface of 52 and flowing down to the lower end edge of the opening 50 a is guided into the box through the guide member 54.
[0003]
[Problems to be solved by the invention]
The dew condensation water generated on the surface of the door 52 contains dust, oil, etc. adhering to the surface of the door 52. Therefore, if the dew condensation water flows into the ice storage chamber 56 via the guide member 54, it becomes unsanitary. There is. Further, when the inside of the opening 50 a is cleaned, the washing water or the like flows into the ice storage chamber 56 through the guide member 54. Therefore, when cleaning, it is necessary to clean all the ice stored in the ice storage chamber 56 in advance, and it is pointed out that it requires a lot of labor and labor.
[0004]
In addition, since the lower end of the door 52 directly contacts the lower end edge of the opening 50a, a gap may be formed between the door 52 depending on the assembled state even when the door 52 is closed. Cold air in the body may escape. It is also pointed out that when closing the opened door 52, the lower end of the door 52 comes into contact with the lower end edge of the opening 50a to generate a large impact or a large noise.
[0005]
OBJECT OF THE INVENTION
The present invention has been proposed in view of the above-mentioned drawbacks inherent in the prior art described above, and has been proposed to suitably solve this problem, and prevents drainage at the lower edge of the opening from entering the box. Another object of the present invention is to provide a heat insulating box drainage structure that prevents cold air leakage and does not generate a large impact or noise when the door is closed.
[0006]
[Means for Solving the Problems]
In order to overcome the above-mentioned problems and achieve the desired purpose suitably, the drainage structure of the heat insulation box according to the present invention is:
In the heat insulation box provided with a front panel formed with an opening that opens forward, and a door that opens and closes the opening by sliding up and down along the opening of the front panel.
A groove formed along the edge at the lower edge of the opening of the front panel;
A buffer member that is disposed so as to cover the open upper portion of the groove, and a lower end portion of the door that slides downward along the opening portion contacts;
A drainage pipe opens at the bottom in the groove, and drains the drainage in the groove to the outside,
The buffer member is formed of a communication hole formed at a position facing a drain outlet of a drain pipe.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
Next, the drainage structure of the heat insulating box according to the present invention will be described below with reference to the accompanying drawings by giving a preferred embodiment. FIG. 1 shows an ice making machine in which a drainage structure according to a preferred embodiment of the present invention is adopted, and an ice storage chamber 28 is defined inside a heat insulating box 10 constituting the ice making machine 9. At the same time, an ice making mechanism (not shown) is disposed on the upper portion, and the ice produced by the ice making mechanism is stored in the ice storage chamber 28. Further, a front panel 12 having an opening 14 having a required size is disposed in the front opening of the heat insulating box 10, and ice is taken out through the opening 14. A groove 16 is formed at the lower end edge defining the opening 14 of the front panel 12 so as to extend over substantially the entire length in the width direction along the edge. As shown in FIG. 5, the groove 16 is disposed on the front surface of the front panel 12, extends upward from the lower end edge of the opening 14 (the bottom surface of the groove 16), and extends in the width direction of the opening 14. A front wall member 15 extending over the entire length, and a weir member disposed at the rear of the panel, rising at a predetermined height from the lower edge and extending over the entire length of the opening 14 in the lateral width direction. 17 and the lower end edge of the opening 14, and is configured to receive water (drainage) that has flowed down due to condensation on the surface of the door 20 described later. Further, the bottom surface of the groove 16 is shaped so that the shape observed from the front is inclined very gently downward toward the approximate center in the width direction of the front panel 12 and is substantially horizontal at the center as shown in FIG. Has been.
[0008]
A drainage pipe 22 for discharging the drainage received in the groove 16 to the outside of the machine is disposed at the central portion of the groove 16 in the width direction so that the drainage port 22a at the upper end of the drainage pipe 22 opens at the bottom of the groove. ing. As shown in FIG. 4, the drain pipe 22 hangs down in a recess 12 a that is recessed toward the rear side at a corresponding position of the front panel 12. The other end of the flexible hose 24 made of synthetic resin that is connected in communication is connected (see FIG. 1). The flexible hose 24 is drawn into the box from a notch 19a formed in the lower front panel 19 disposed below the position where the front panel 12 is disposed in the heat insulation box 10, and the ice storage chamber 28 The machine room defined below is piped.
[0009]
As shown in FIG. 5, a packing 18 serving as a buffer member is mounted inside the groove 16 on a stepped portion 16a projecting from the bottom surface of the groove and spaced from the bottom surface by a predetermined height. It is possible to arrange. As shown in FIG. 3, the packing 18 has a thin plate shape formed in a horizontally long dimension that can cover the entire open upper portion of the groove 16 (see FIG. 6), and slides downward along the opening 14. A lower end portion of the door 20 (described later) comes into contact from above. In addition, a plurality of communication holes 18 a are formed at predetermined intervals in the longitudinal direction of the packing 18 at positions facing the drainage port 22 a of the drainage pipe 22 in the packing 18, and drained water (condensed water) dripped onto the packing 18. Etc.) is configured to discharge downward. The inner diameter of the communication hole 18a is set to be sufficiently smaller than the opening dimension of the drain hole 22a, so that dust or the like passing through the communication hole 18a is not clogged inside the drain pipe 22. Composed. The packing 18 is preferably made of an elastic material such as rubber or synthetic resin for the purpose of serving as a cushioning material when the door 20 is closed.
[0010]
As shown in FIG. 1, a drain pipe 26 piped to the machine room of the heat insulation box 10 is connected to the bottom of the ice storage room 28, and condensed water, ice dissolved water, etc. generated in the room are connected to the drain pipe. It is comprised so that it may discharge | emit out of a box through 26. The flexible hose 24 is connected in communication with a portion of the drain pipe 26 facing the machine room, and the drainage received in the groove 16 is also discharged out of the box through the drain pipe 26. The drain pipe 26 is provided with a drain trap 30 below (downstream side) from the connection position of the flexible hose 24. The drain trap 30 is provided between an upper tube body 26a to which the flexible hose 24 is connected and a lower tube body 26b that is coaxially disposed vertically below the upper tube body 26a at a predetermined interval. Each end of the flexible tube material such as rubber or synthetic resin is externally fitted from the open end of each tube body 26a, 26b to a required position, and the intermediate portion is bent at an acute angle. The drain trap 30 functions to prevent a strange odor or insect from entering the ice storage chamber 28 or the opening 14 through the drain pipe 26 by retaining water in the curved portion.
[0011]
The front panel 12 is provided with a door 20 that opens and closes the opening 14 so as to be slidable in the vertical direction. As shown in FIGS. 1 and 2, the door 20 is wound around pulleys 34, 34 that are rotatably disposed near the upper left and right ends of the front panel 12. One ends of the wires 32, 32 are connected. Above the opening 14 in the front panel 12, a substantially rectangular bulging portion 36 that is set to have a width smaller than the opening 14 and slightly wider in the vertical direction than the opening 14 is provided on the front panel 12. It is formed to bulge out. Inside the bulging portion 36, a rod-shaped weight 40 having a substantially rectangular shape is accommodated so as to be movable up and down, and through the elliptical holes 38, 38 drilled in the left and right upper end portions of the bulging portion 36. The other ends of the wires 32 and 32 inserted inside are connected to the vicinity of the left and right ends of the upper end of the weight 40. The weight 40 is set to a weight that can be balanced with the door 20, and is configured so that the door 20 can be easily opened and closed.
[0012]
A pair of mounting holes 42, 42 are formed in the upper end portion of the bulging portion 36 so as to be spaced apart in the lateral width direction inside the positions where the elliptical holes 38, 38 are formed. Stoppers 44 made of an elastic member such as rubber are provided. The stopper 44 is disposed with a part facing the inside of the bulging portion 36, and, as will be described later, when the door 20 is slid downward to close the opening portion 14, the wire 32. , 32 abuts on the upper end of the weight 40 moving upward in the bulging portion 36 and functions to regulate and buffer the weight 40. A cover 46 shown in FIG. 1 is attached to the front side of the front panel 12, and the door 20 slides up and down between the front panel 12 and the cover 46. Further, the cover 46 has a communication frame portion 46a opened at a position corresponding to the opening portion 14. When the door 20 is slid upward, the ice storage chamber 28 is boxed via the opening portion 14 and the communication frame portion 46a. Communicate outside the body.
[0013]
[Effect of the embodiment]
Next, the effect | action of the drainage structure of the heat insulation box which concerns on an Example is demonstrated. When condensation occurs on the door 20 of the front panel 12 constituting the heat insulating box 10, the condensed water is disposed in the groove 16 via the surface of the door 20 or the vertical peripheral edge of the opening 14. It is dropped on the packing 18 that is present. The drainage on the packing 18 flows to the center in the lateral direction along the upper surface thereof, falls to the bottom surface of the groove 16 through the communication hole 18a, and is discharged from the drainage port 22a of the drainage pipe 22. The wastewater that has flowed into the drainage pipe 22 is guided to the drainage pipe 26 through the flexible hose 24 and then discharged to the outside of the heat insulating box 10. Further, as shown in FIG. 3, the dew condensation water dropped directly on the bottom surface of the groove 16 promptly enters the drain port 22a along the bottom surface inclined downward at a required angle toward the drain port 22a of the drain pipe 22. And is discharged out of the box through the flexible hose 24 and the drain pipe 26. Further, when cleaning the opening 14 of the front panel 12, the washing water (drainage) that enters the groove 16 formed at the lower edge of the front panel 12 is discharged out of the box through the drainage pipe 22. The That is, dew condensation water, washing water, or the like generated on the surface of the front panel 12 does not enter the ice storage chamber 28 from the opening 14, and prevents the ice from melting or re-freezing due to drainage that has entered the ice storage chamber 28. And can be kept hygienic. Further, it is not necessary to take out all the ice stored in the ice storage chamber 28 at the time of cleaning, and the operation is simplified.
[0014]
Since the packing 18 is detachably attached to the groove 16, it can be removed from the groove 16 when the front panel 12 is cleaned, and the packing 18 alone can be cleaned alone, and can always be kept hygienic. . Further, as described above, the communication hole 18a of the packing 18 is set to have a smaller diameter than the drainage port 22a of the drainage pipe 22. Therefore, even when dust or the like passing through the communication hole 18a enters the drainage pipe 22, it is clogged. It is preferably prevented from occurring. A drain trap 30 is provided in the drain pipe 26 for discharging the drainage received in the groove 16 and the condensed water and dissolved water generated in the ice storage chamber 28 to the outside of the box. It is possible to prevent strange odors or insects from entering the ice storage chamber 28 or the opening 14. Further, the flexible hose 24 that connects the drain pipe 22 and the drain pipe 26 is configured so as to be routed to the machine room in the heat insulating box 10 and not to reach the ice storage room 28. It can save the cleaning.
[0015]
The lower end portion of the door 20 that closes the opening portion 14 is in contact with the packing 18 formed of an elastic member such as rubber or synthetic resin in the groove 16. A gap is hardly formed between the lower end portion and the cold air in the box can be prevented from escaping. Further, when the door 20 in the open state is closed, the lower end portion of the door 20 comes into contact with the packing 18, so that the impact applied to the door 20 and the front panel 12 can be absorbed and the generation of noise can be suppressed. it can. The weight 40 that moves upward in the bulging portion 36 when the door 20 is closed comes into contact with stoppers 44, 44 made of elastic members disposed on the upper portion of the bulging portion 36. Generation of impact and noise during contact is also suppressed.
[0016]
In addition, although demonstrated in the Example when the drainage structure was employ | adopted for the heat insulation box body of the ice making machine, as the heat insulation box body which this drainage structure is employ | adopted, it is used for a refrigerator, a freezer, etc. There may be.
[0017]
【The invention's effect】
As described above, according to the drainage structure of the heat insulating box according to the present invention, the groove is formed at the lower edge of the opening of the front panel. It is possible to suitably prevent the used cleaning water or the like from entering the inside of the heat insulation box and maintain the hygienic state in the heat insulation box. Moreover, since the buffer member with which the lower end portion of the door comes into contact is disposed in the groove, it is possible to suppress the occurrence of impact and noise when the door is closed, and to prevent the leakage of cold air from the box.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a front panel and a door of an ice making machine employing a drainage structure according to a preferred embodiment of the present invention in an exploded state.
FIG. 2 is a front view showing a part of the front panel with a door cut away.
FIG. 3 is a front view of a main part cutout showing a groove of a front panel.
FIG. 4 is a front view showing a front panel.
5 is a cross-sectional view taken along line VV in FIG.
FIG. 6 is a plan view of a packing disposed on the front panel.
FIG. 7 is a side view of a main part of a heat insulation box in which a drainage structure according to a conventional technique is employed.
FIG. 8 is a longitudinal sectional side view of a main part of a heat insulation box according to a conventional technique.
[Explanation of symbols]
12 front panel, 14 opening, 16 groove, 18 packing, 18a communication hole 20 door, 22 drainage panel, 22a drainage port

Claims (1)

A front panel (12) having an opening (14) that opens to the front, and sliding vertically along the opening (14) of the front panel (12), thereby opening the opening (14). In a heat insulation box with a door (20) that opens and closes,
A groove (16) formed along the edge at the lower edge of the opening (14) of the front panel (12),
A buffer member (18) that is disposed so as to cover the open upper portion of the groove (16), and a lower end portion of the door (20) that slides downward along the opening (14) contacts;
A drainage port (22a) is opened at the bottom of the groove (16), and a drainage pipe (22) for discharging the drainage in the groove (16) to the outside,
A heat-insulating box drainage structure characterized by comprising a communication hole (18a) drilled at a position facing the drainage port (22a) of the drainage pipe (22) in the buffer member (18).

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