JP4445646B2 - Ice storage - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an ice storage, and more specifically, water drops dripping from between the door frame defining the ice outlet and the top plate are stored on the top surface of the door that opens and closes the ice outlet for ice extraction. The present invention relates to an ice storage that prevents entry into an ice storage chamber.
[0002]
[Prior art]
An ice storage for storing ice blocks continuously manufactured in an ice making unit in an ice storage room is suitably used in facilities such as coffee shops and restaurants and other kitchens. An ice storage 10 shown in FIG. 6 has an ice storage chamber 14 for storing a required amount of ice blocks inside a housing 12 having a heat insulating structure formed in a required shape, and is formed on the front surface of the housing 12. Is provided with a door frame 18 which defines an ice outlet 16 for removing ice. The housing 12 is provided with a door 20 movable along a rail groove (not shown) provided in the door frame 18, and the door 20 is closed to close the ice outlet 16. It is configured to move between the formation position and an open position where it moves along the rail groove to enter the inside of the ice storage chamber 14 and open the ice outlet 16.
[0003]
[Problems to be solved by the invention]
In the ice storage 10, as shown in FIG. 7, the top plate 24 disposed on the upper portion of the housing 12 at the upper edge 22 a of the upper frame portion 22 that defines the ice outlet 16 in the door frame 18. The door frame 18 is disposed in the housing 12 so as to cover the front end 24a of the housing from above. For this reason, when water or the like is splashed on the top plate 24, water drips from the front end of the top plate 24 and the upper edge end portion 22a of the upper frame portion 22 into the door frame, and the water drops It was dripping on the upper surface of the door 20 facing the position. In this case, since the top surface of the water droplet dropping position on the door 20 is flat, the water droplets flowing through the flat portion enter the ice storage chamber 14, and the stored ice mass melts or many ice masses regenerate. The inconvenience of freezing occurred.
[0004]
The door frame 18 is disposed in the housing 12 so that the upper end edge 22a of the upper frame portion 22 faces the lower surface side of the front end portion 24a of the top plate 24, and water drops hanging from the front end of the top plate 24 are present. By making it flow on the front surface of the upper frame portion 22, it is possible to prevent water droplets from entering the ice storage chamber 14. However, in this case, since the position of the upper frame portion 22 is lowered by the thickness of the top plate 24, the opening size of the ice outlet 16 is reduced by that amount. Therefore, reducing the height dimension of the upper frame portion 22 to secure the opening size of the ice take-out port 16 causes a problem that the upper frame portion 22 is insufficiently strong and is likely to be cracked or cracked. .
[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 it has been proposed to suitably solve this problem without reducing the strength or reducing the opening size of the ice outlet. An object of the present invention is to provide an ice storage capable of preventing water droplets from entering the ice storage chamber.
[0006]
[Means for Solving the Problems]
In order to overcome the above-mentioned problems and achieve the desired purpose suitably, the ice storage according to the present invention is:
A housing that stores ice blocks in an internally defined ice storage chamber, a door frame that is disposed in front of the housing and defines an ice outlet, a closed position that closes the ice outlet, and an ice storage chamber In an ice storage consisting of doors that can move between open positions that open the ice outlet,
The door frame is disposed in the housing such that an upper frame portion that defines the ice outlet port covers a front end portion of the top plate of the housing,
When the door is positioned at the closed position, an ice storage chamber is formed on the upper surface of the door facing the lower side of the front end of the top plate from a dripping position of water drops hanging between the top plate and the upper frame portion of the door frame. A protrusion that prevents the water droplets from entering the ice storage chamber is provided at a position facing the side.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
Next, a preferred embodiment of the ice storage according to the present invention will be described below with reference to the accompanying drawings. Since the basic structure of the ice storage is as described in the section of the prior art with reference to FIGS. 6 and 7, the same members as those already described are designated by the same reference numerals, Detailed description is omitted.
[0008]
As shown in FIGS. 1 and 2, a top plate 24 is detachably disposed on the housing 12 of the ice storage 30 according to the embodiment. The top plate 24 is formed of a synthetic resin so as to be hollow so as to define a filling space of the foam heat insulating material, and a substantially L-shaped locking piece 32 is integrally formed at a lower portion of the rear end thereof. It is. Further, a fixing member 34 is detachably screwed to the upper rear surface of the housing 12, and an engaging hole formed in the locking piece 32 with a horizontal portion 34 a extending horizontally behind the fixing member 34. The rear portion of the top plate 24 is positioned on the housing 12 by being inserted into and engaged with 32a (see FIGS. 4 and 5).
[0009]
As shown in FIG. 3, the front end portion 36 of the top plate 24 extends forward from the front end of the housing 12 by a predetermined length, and the upper surface thereof is the upper edge of the upper frame portion 22 of the door frame 18. Steps are formed so as to be lower by the thickness of 22a. Further, the front end portion 36 is formed with a curved surface 36b with a required curvature from the front end of the stepped upper surface 36a as described above, and a vertical surface (front end) 36c is substantially vertical from the front end of the curved surface 36b. A rib 36e that protrudes downward from the bottom surface 36d of the front end portion 36 is formed on the lower end edge (front end lower edge) of the vertical surface 36c over substantially the entire length in the width direction. That is, all the water flowing through the vertical surface 36c of the front end portion 36 hangs from the tip of the rib 36e.
[0010]
An opening 38 is formed in the front part of the housing 12, and the ice take-out port 16 for removing ice is provided at a position corresponding to the opening 38 in the door frame 18 disposed in the front part of the housing 12. The ice blocks stored in the ice storage chamber 14 are taken out through the ice outlet 16. The upper edge portion 22a of the upper frame portion 22 that defines the ice outlet 16 in the door frame 18 is formed in a shape that follows the upper surface 36a and the curved surface 36b of the front end portion 36 of the top plate 24, as shown in FIG. The lower surface of the upper edge 22a is in close contact with the upper surface 36a and the curved surface 36b from above. The front end portion 36 of the top plate 24 is covered from above with the upper frame portion 22 of the door frame 18 so that the front portion of the top plate 24 is positioned with respect to the housing 12.
[0011]
In the door frame 18, a door 20 that opens and closes the ice outlet 16 is formed on the inner surfaces (ice outlet side) of both side frame portions 40, 40 that are spaced apart in the width direction that define the ice outlet 16 in the door frame 18. Along the guide grooves 42, 42 are arranged to be movable between a closed position and an open position. As shown in FIG. 1, the guide groove 42 includes a vertical groove portion 42a extending in the vertical direction and a horizontal groove portion 42b extending from the upper end of the vertical groove portion 42a toward the ice storage chamber. In addition, on the inner surface facing the width direction of the casing 12 that defines the ice storage chamber 14, an inner groove portion 44 that extends backward by a predetermined length is formed corresponding to each lateral groove portion 42b.
[0012]
The door 20 is set to a size that can close the ice take-out port 16, and a pair of guide pins 46, 46 are provided on both side surfaces in the width direction so as to be separated in the vertical direction. 46 and 46 face the corresponding guide groove 42 so as to be slidable. That is, as shown in FIG. 1, the upper and lower guide pins 46, 46 are positioned in the vicinity of the upper and lower end portions of the vertical groove portion 42a in the guide groove 42, and the door 20 is positioned at the closed position so that the ice take-out port is located. 16 is closed. Further, the upper guide pin 46 moves in the horizontal groove portion 42b and moves to the inner groove portion 44, and the lower guide pin 46 is positioned in the vicinity of the upper end portion of the vertical groove portion 42a. The ice take-out port 16 is configured to be opened by being positioned at an open position that has entered the inside.
[0013]
When the door 20 is positioned at the closed position, the upper surface thereof is set so as to face the lower side of the vertical surface 36b at the front end portion 36 of the top plate 24. In addition, on the upper surface of the door 20, a dripping position of water drops hanging from between the top plate 24 and the upper edge 22 a of the upper frame portion 22 of the door frame 18, that is, a position facing the ice storage chamber side from below the rib 36 e, A protrusion 48 having a predetermined height is provided so as to protrude over the entire length in the width direction. That is, the water droplets hanging from between the front end portion 36 of the top plate 24 and the upper frame portion 22 of the door frame 18 are dripped to the front side from the protrusion 48 on the upper surface of the door 20 positioned at the closed position, and the water droplets Intrusion into the ice storage chamber 14 can be reliably prevented by the protrusion 48. The front upper surface 50 positioned on the front side of the protrusion 48 on the upper surface of the door 20 is set to be inclined downward toward the front in a state where the door 20 is positioned at the closed position. It is comprised so that the water drop dripped in may be guided to the front side.
[0014]
In addition, an inclined surface 48a that is inclined downward toward the front is formed on the upper surface of the protrusion 48. Even if a water droplet drops on the upper surface of the protrusion 48, the water droplet is caused to fall along the inclined surface 48a. It is made to flow down to the front side to prevent water droplets from entering the ice storage chamber 14.
[0015]
[Effect of the embodiment]
Next, the operation of the ice storage according to the embodiment will be described. When water is applied to the top plate 24 in a state where the door 20 is positioned at the closed position, the water is in contact with the front end portion 36 of the top plate 24 and the upper edge portion 22a of the upper frame portion 22 of the door frame 18 that covers the front end portion 36. , Flows through the vertical surface 36c at the front end portion 36 and hangs down from the rib 36e. In this case, since the rib 36e protrudes below the bottom surface 36d of the front end portion 36, the water that has flowed through the vertical surface 36c does not move from the rib 36e to the bottom surface side, and almost all of the water flows from the rib 36e. Droop.
[0016]
The water dripping from the rib 36e is dripped onto the front upper surface 50 on the front side of the protrusion 48 on the upper surface of the door 20 facing the closed position. That is, all the water droplets dropped from the rib 36e onto the upper surface of the door are prevented from flowing to the ice storage chamber side by the protrusion 48, and the water droplets do not enter the ice storage chamber 14. Accordingly, it is possible to prevent water droplets from entering the ice storage chamber 14 and melting or re-freezing the ice block, and it can be kept hygienic. Even if a water droplet drops on the upper surface of the protrusion 48, since the inclined surface 48a inclined downward is formed on the upper surface, the water droplet flows down to the front upper surface 50 along the inclined surface 48a. Is prevented from entering the ice storage chamber 14.
[0017]
When attaching the top plate 24 to the housing 12, first, the horizontal portion 34 a of the fixing member 34 screwed to the housing 12 is inserted into the engaging hole 32 a of the locking piece 32 of the top plate 24. By engaging, the rear portion of the top plate 24 is positioned with respect to the housing 12. Next, by arranging the door frame 18 in the housing 12 so as to cover the front end portion 36 of the top plate 24 from the upper side by the upper end edge portion 22a of the upper frame portion 22, the top plate 24 is also provided in the housing. 12 is attached. At this time, since the contact area between the front end portion 36 of the top plate 24 and the upper end edge portion 22a of the upper frame portion 22 of the door frame 18 is set to be large, the strength of the upper frame portion 22 is improved and ice storage is performed. Cold air leakage from the chamber 14 can be suppressed and the occurrence of condensation can be prevented. Moreover, since the front end part 36 of the top plate 24 is covered over a long area | region by the upper frame part 22, it can also prevent that this front end part 36 removes carelessly.
[0018]
In the embodiment, the top plate is provided with ribs and an inclined surface is formed on the upper surface of the protrusion of the door. However, either one or both of the configurations may be omitted.
[0019]
【The invention's effect】
As described above, in the ice storage according to the present invention, by providing a protrusion on the upper surface of the door, the opening size of the ice outlet is not reduced, or the strength of the upper frame portion is not reduced, and the top plate and the door. It is possible to reliably prevent water droplets dripped onto the upper surface of the door from between the frame and the ice storage chamber. Accordingly, it is possible to suitably prevent the ice blocks stored in the ice storage chamber from melting or re-freezing. Further, since the inclined surface is formed on the upper surface of the protrusion, even if a water droplet drops on the upper surface of the protrusion, it can be caused to flow forward, and the water droplet can be prevented from entering the ice storage chamber. Further, by providing the top plate with ribs, it is possible to reliably drop water dripping from between the top plate and the door frame to the front side of the protrusion on the upper surface of the door.
[Brief description of the drawings]
FIG. 1 is a longitudinal sectional view of an essential part of an ice storage according to a preferred embodiment of the present invention.
FIG. 2 is a longitudinal sectional view of a main part of the ice storage according to the embodiment.
FIG. 3 is a longitudinal sectional view of a main part showing the relationship between the top plate of the ice storage, the door frame and the door according to the embodiment.
FIG. 4 is a longitudinal sectional view of a main part showing a rear mounting portion of the top plate and the housing of the ice storage according to the embodiment.
FIG. 5 is a main part rear view of the ice storage according to the embodiment.
FIG. 6 is a schematic perspective view showing an ice storage according to a conventional technique.
FIG. 7 is a vertical cross-sectional view of a main part showing a relationship between a top plate, a door frame, and a door of an ice storage according to a conventional technique.
[Explanation of symbols]
12 housing, 14 ice storage chamber, 16 ice outlet, 18 door frame, 20 door 22 upper frame portion, 24 top plate, 36 front end portion, 36c vertical surface (front end), 36d bottom surface 36e rib, 48 protrusion, 48a inclined surface

Claims (3)

A housing (12) for storing ice blocks in an ice storage chamber (14) defined inside, a door frame (18) disposed on the front surface of the housing (12) and defining an ice outlet (16), In an ice storage comprising a door (20) movable between a closed position for closing the ice outlet (16) and an open position for entering the ice storage chamber and opening the ice outlet (16),
The door frame (18) has a housing (22) that covers the front end (36) of the top plate (24) of the housing (12). 12),
When the door (20) is positioned in the closed position, the top plate (24) and the door frame (on the upper surface of the door (20) facing below the front end (36c) of the top plate (24)). 18) A protrusion (48) that prevents the water droplets from entering the ice storage chamber (14) is provided at a position facing the ice storage chamber side from the position of the water droplet dripping from the upper frame portion (22). An ice storage characterized by that. The ice storage according to claim 1, wherein an inclined surface (48a) inclined downward toward the front is formed on an upper surface of the protrusion (48). The ice storage according to claim 1 or 2, wherein a rib (36e) projecting downward from a bottom surface (36d) of the top plate (24) is provided at a lower edge of the front end of the top plate (24).

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