JP2552858Y2 - Ice storage structure of ice machine - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ice storage structure of an ice making machine, and more particularly, to an ice making water in an ice making room defined inside a water tray, and a plurality of ice making projections provided on the lower surface of the ice making substrate. In an ice maker that is immersed and forms an inverted dome-shaped ice block around the ice-making projections as the ice-making operation proceeds, mounting of the ice-making unit such as the ice-making board and the water tray on an ice storage for storing the ice block. The present invention relates to an ice storage structure in which the number of parts is reduced and an assembling operation can be performed efficiently by integrally forming a part and a receiving part for ice making and drainage.

[0002]

2. Description of the Related Art In an automatic ice maker for continuously producing a large number of ice blocks such as ice cubes, many types are proposed as ice making methods, and an appropriate method is adopted according to the application. For example, a large number of partition plates are arranged vertically and horizontally to define a large number of ice making compartments that open downward, and ice making water is jetted and supplied from the water tray arranged below to the corresponding ice making compartments to freeze. Sprinkling ice making water from below into these ice making compartments without using a closed-cell type ice machine or ice tray that forms ice cubes in each ice making compartment cooled by the evaporator tube connected to the system. Thus, an open-cell type ice maker that forms ice cubes in each of the small chambers, and ice making water flowing down from above one side of an ice maker plate placed upright, thereby forming a kamaboko-shaped ice block on the surface of the ice maker plate. 2. Description of the Related Art There are known a large number of water-fall type ice makers.

Each of the above three types of ice making machines is provided with an ice making water tank for storing a required amount of ice making water, and the ice making water in the tank is pumped by a pump to make the ice making room or the upright of the ice making unit. A forced circulation mechanism is employed in which ice water that has been supplied to the ice making plate and has not been frozen is recovered in the tank and then sent out again to the ice making unit. Therefore, these ice machines require additional equipment such as an ice making water tank and a pump for circulating the ice making water, which complicates the configuration, increases the production cost, and contributes to an increase in size. On the other hand, for example, Japanese Patent Application Laid-Open No. 52-69
As disclosed in Japanese Patent No. 046, the ice making water is stored in a water dish at a required level, and an ice making projection projecting from the lower surface of an ice making substrate provided with an evaporation tube is immersed in the ice making water. A simple ice maker that has formed an ice block around the ice making projection has already been proposed. This ice making machine does not require a mechanism for circulating the ice making water between the water tray and the ice making water tank during the ice making operation, so that the structure can be simplified, the manufacturing cost can be reduced, and the size can be reduced. This has the advantage that an ice maker can be manufactured.

[0004]

[Problem to be solved by the invention] In the above-mentioned ice making machine,
An ice making unit is provided above a box formed by the heat insulating walls, and an ice storage for ice blocks is provided below the ice making unit. A drainage receiver (manifold) for receiving ice-making water remaining in the water tray and discharging the ice-making water to the outside when the water tray is tilted after the ice making operation is completed is provided inside the ice storage. It is fixed. In addition, a pipe provided inside the ice storage is connected to the drainage receiving portion, and drainage received by the drainage receiving portion is discharged outside the machine via the pipe. As described above, the number of parts is increased because the drainage receiving portion is manufactured as a separate body, and the work of arranging the drainage receiving portion and the pipe inside the ice storage becomes complicated, and assembly takes time. Was. In addition, it is necessary to form a portion for mounting the ice making unit in the box located above the ice storage, and there is a problem that the number of processing steps is increased.

Further, in the ice making machine, the ice blocks stored in the ice storage are taken out through a scoop or the like by opening an opening / closing door arranged in a box, and in this case, the operator's fingers are required. It is pointed out that it may come into contact with stored ice blocks, resulting in unsanitary problems.

[0006]

[Purpose of the present invention] The present invention involves immersing an ice making projection cooled by an evaporating tube in ice making water stored in an ice making chamber in a water dish.
In view of the above-mentioned drawbacks inherent in an ice maker that forms an ice block around the ice making projections, it has been proposed to suitably solve this, and it has been proposed to reduce the number of parts and reduce the assembly work. An object of the present invention is to provide an ice storage structure that can be efficiently operated.

[0007]

SUMMARY OF THE INVENTION In order to overcome the above-mentioned problems and achieve the intended object, the present invention provides an evaporating pipe connected to a refrigeration system having a compressor, a condenser and the like, and the evaporating pipe is provided on an upper surface. The ice-making unit is provided, and a plurality of ice-making units are protruded and suspended at predetermined intervals on the lower surface, and the ice-making unit is always kept in a horizontal position, and is immersed in ice-making water in an ice-making room defined inside. An ice making unit comprising a water tray and an ice making unit configured to tilt the water tray obliquely downward when the ice making water freezes around the ice making part to form a required ice block. A pair of side walls, a rear wall formed at a rear end of the side wall, and a bottom and a storage portion formed at the bottom of the side wall, forming an ice storage opening forward and upward from the pair of side walls; With the ice making unit facing down inside An ice storage chamber for storing the collected ice blocks, a drain receiving portion for collecting ice making water discharged from the water tray when the water tray is tilted is formed on the rear wall, and the rear wall is formed. The water tray comes into contact with an edge of the continuous connection between the water tray and the drain receiving portion, and the water tray is held in an inclined posture.

[0008]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view of an ice storage device for an ice making machine according to the present invention. For convenience of explanation, "front and rear" and "left and right"
The ice maker is referred to when viewed from the front.

(Schematic Configuration of Ice Making Machine) FIGS. 1 and 10 are a cross-sectional view and a perspective view schematically showing the overall configuration of an ice making machine employing an ice storage structure according to an embodiment. The interior of a housing 10 constituting the ice making machine main body includes a lower machine room 12 in which a refrigerating machine such as a compressor CM and a condenser 11 is housed, and a heat insulating material located above the lower machine room 12, and an ice block discharging device 13 An ice storage 14 in which
The ice making unit 1 disposed above the ice storage 14
5 basically. Ice making unit 15
As will be described later with reference to FIGS. 1 and 4, a water tray 16 for storing ice-making water at a predetermined level, and an ice-making substrate 18 having ice-making projections 17 immersed in the ice-making water are provided. When the mode is switched to the deicing operation, the ice making water is tilted at a predetermined angle to discharge the ice making water in the water tray 16 to the outside through the drainage receiving portion 19 and the drainage pipe 20 and to store the ice blocks 21 in the ice storage 14.
It can be discharged to the ice storage chamber 83 defined inside.

(External Structure of Housing) As shown in FIG. 10, the housing 10 includes a main frame 22 surrounding the above-described members and a front panel 23 disposed on the front surface of the frame 22. It has a slim shape with a very short width as a whole.
The front panel 23 is formed of a synthetic resin in the shape shown in the figure, and an opening 23a corresponding to the discharge port 14a of the ice block 21 formed in the ice storage 14 is directed downward at a substantially middle position in the height direction. (See Figure 1). A container-like mounting table 24 is detachably mounted below the opening 23a, and a receiver such as a cup is mounted on the mounting table 24 when the ice block 21 is taken out. A large number of slits 24a are formed on the upper surface of the mounting table 24, and are configured to prevent water droplets falling from the discharge port 14a from being collected and soiling the surroundings. The front panel 23 extending above the opening 23a is first push button 25 of the switch SW ₁ is arranged in the power-on lamp L and ice block for discharge, is turned ON actuates the switch SW ₁ Press pusher button 25 During the operation, the ice block discharging device 13 is operated to move the ice blocks 21 stored in the ice storage chamber 83 into the discharge port 14a and the opening 23.
It is set to emit through a.

An opening (not shown) communicating with the lower machine chamber 12 is opened on the bottom surface of the casing 10, and the opening is covered by a filter member 26 which is detachably attached to the casing 10. It has become. This filter member 2
6 functions to collect dust in the outside air introduced into the machine room 12 for air cooling of the condenser 11 and to prevent the cooling ability from being lowered due to clogging of the condenser 11. Note that the filter member 26 is configured to be easily attached and detached from the front side of the housing 10.

(Regarding Ice Storage) As shown in FIG. 2, the ice storage 14 is formed in a box shape which is open upward and forward, and has upper and lower side walls 77, 77 separated by a predetermined distance in the longitudinal direction. And substantially V-shaped cut portions 77a, 77a are formed respectively. A screw hole 77b is formed on one slope of the cut portion 77a at right angles to the slope, and the bracket 32 provided between the cut portions 77a opposed to the left and right is fixed via screws 78. It is supposed to. The ice making board 18 is suspended and supported by the bracket 32. The bracket 32 is provided between the cuts 77a, 77a to prevent the bracket 32 from projecting upward from the upper ends of the side walls 77, 77 as shown in FIG. An opening 79 formed in the front surface of the ice storage 14 is provided with a cover 27 to be described later, which is detachably provided and closed.

On the rear wall 80 of the ice storage 14, a drainage receiving portion 19 is formed to extend rearward at an upper portion thereof, and a drainage pipe provided outside the ice storage 14 is provided at a lower end of the drainage receiving portion 19. 20 are connected and connected (see FIG. 1). That is, when the water tray 16 disposed in the ice storage 14 is tilted during the deicing operation, the drainage catcher 19 collects the ice making water discharged from the water tray 16, and drains the drainage pipe 20. It functions so as to be discharged to the outside of the machine. In addition, as shown in FIG. 9, the connecting edge between the drainage receiving portion 19 and the vertical rear wall 80 is
6 functions as a stopper for holding the device in an inclined posture. Further, a supply pipe 74 for making ice water, which will be described later,
A through-hole 19a is formed.

As shown in FIG. 3, the bottom of the ice storage 14 has a bottom surface 81 which is inclined downward from the lower end of the rear wall 80 toward the front, and a housing which is connected to the bottom surface 81 and which is inclined upward toward the front. An ice storage chamber 83 is defined by the bottom surface 81, the storage portion 82, and the side walls 77, 77. The screw 63 for carrying out the ice block of the ice block discharging device 13 is stored in the storage section 82,
A free end of a shaft of the screw 63 is rotatably inserted into a concave portion 64 formed at a corresponding position. A discharge port 14a that opens downward is formed near the front end of the storage section 82, and is configured to discharge the ice block 21 conveyed by the rotation of the screw 63 to the outside through the discharge port 14a. I have. The storage section 82 is formed in a semicircular shape that allows the ice block 21 to be smoothly carried out by the rotation of the screw 63. Further, as shown in FIG. 3, the inclination angle of the storage portion 82 is set to the same angle as the front slope of the cut portion 77 a and the bottom surface of the drainage receiving portion 19.
The ice storage 14 can be integrally formed of a synthetic resin.

(Regarding the Cover Body) As shown in FIG. 1, a cover body 27 is detachably provided in a front opening 79 of the ice storage 14, and a water tray of the ice making unit 15 is provided on the front side of the cover body 27. A tilting actuator motor AM, a rocking motor RM for a rocking plate 28 (described later), and a discharging motor GM of the ice block discharging device 13 are collectively disposed. The motors AM, RM, GM and members attached to the motors arranged on the cover 27 can be easily maintained by removing the front panel 23. When assembling the automatic ice maker, the motors AM, RM, G
Since the cover body 27 can be attached to the ice storage 14 in a state where M is arranged, there is an advantage that the time required for assembly can be reduced.

(Regarding the Ice Making Unit) FIG. 5 shows the details of the ice making unit 15 in a longitudinal section. The water tray 16 has the shape shown in FIG. 4 and has an ice making chamber 29 defined therein. The ice making water can be stored at a predetermined level therein. That is, the ice making room 2
9 is defined by a rectangular bottom surface 16a of the water dish 16 and wall surfaces 16b, 16c, 16d, 16e standing upright on all sides thereof, and outside the upright wall 16e located on the right side in FIG. A plurality of shaft support portions 30 are aligned along and integrally formed. As shown in FIG. 7, the shaft support portion 30 includes a bracket 3 erected on the upper end of the ice storage 14.
The water tray 16 is rotatably inserted into the through holes 32a, 32a formed in the holes 2, 32 so that the water tray 16 can be rotated in the short direction (the width direction of the ice making machine) around the shaft support 30. ing. An ice making water supply pipe 49 is provided at an appropriate position on the ice making substrate 18.
The supply pipe 74 communicates with the water supply pipe 49 via a water supply valve WV to an ice making water supply source (not shown).
Is connected. By opening the water supply valve WV, a predetermined amount of ice making water is supplied to the ice making chamber 29 via the supply pipe 74 and the water supply pipe 49. Note that the ice making unit 15 stores the cover body 27 in the ice storage 1
By removing the bracket from the bracket 4, the bracket can be easily removed from the bracket 32, and there is an advantage that assembly and maintenance can be easily performed.

Further, a square hole 30a is formed in the shaft supporting portion 30 located on the front side, and a square shaft 33a protruding from a shaft end of a turning support shaft 33 to be described later is fitted into the square hole 30a. The pivot shaft 33 is rotatably supported by the cover body 27, and the actuator motor A
With the rotation of M, the water tray 16 is configured to be able to tilt obliquely downward and return diagonally upward about the shaft support 30. As described above, the water tray 16 is tilted in the width direction of the ice maker, so that the width of the ice maker can be reduced as described above.

(Regarding the tilting mechanism of the water tray) At the position corresponding to the shaft supporting portion 30 of the water tray 16 in the cover body 27, a cylindrical bearing portion 34 protruding toward the front side is protrudingly provided. The turning support shaft 33 is rotatably inserted into a through hole formed in the shaft support portion 30, and a square shaft 33 a protruding from the shaft end is inserted into the square hole 30 a of the shaft support portion 30. A lever piece 33b extending in the radial direction is integrally formed at the front end of the pivot shaft 33, and an engagement projection 33c is provided on the front face of the lever piece 33b. As shown in FIG. 4 and FIG.
A cam plate 36 made of a disk having a required diameter with a part cut off in the circumferential direction is integrally rotated with a rotation shaft extending to the front side of the bracket 35 of the actuator motor AM disposed via the shaft 5. It is arranged. This cam plate 36
One end of a connecting rod 37 is eccentrically pivotally supported on the front surface of the connecting rod 37, and the turning support shaft 33 is inserted into an elongated hole 37 a formed in the other end of the connecting rod 37.
The engagement projection 33c of the lever piece 33b formed in the above is loosely fitted slidably. Therefore, the actuator motor AM
Is rotated in a predetermined direction (counterclockwise in this embodiment), whereby the turning support shaft 33 reciprocates at a required angle via the cam plate 36 and the connecting rod 37, whereby the water tray 16 tilts and returns to tilt. Is done.

A connecting rod 3 is provided at the front end of the engaging projection 33c.
An elliptical restricting portion 33d that can be inserted into the long hole 37a
The connecting rod 37 is provided so as to extend in the radial direction with respect to the projection 33c so that the connecting rod 37 does not easily come off from the engagement projection 33c in a state where the engagement projection 33c is inserted into the elongated hole 37a. . An engaging piece 33e, which is engaged with one end of a torsion spring 39 (both of which will be described later) that urges a mounting jig 38 provided with the rocking motor RM in a predetermined direction, protrudes from the back side of the lever piece 33b. Has been established. The engagement piece 33e functions to switch between a state in which the urging force of the torsion spring 39 acts on the mounting jig 38 and a state in which the urging force does not act on the mounting jig 38 as the water tray 16 tilts and returns to tilting.

(Regarding Drainage Structure of Water Tray) As shown in FIGS. 4 and 5, the water tray 16 has a water discharge portion for discharging the ice making water in the ice making chamber 29 to the outside when the water tray 16 is tilted. Is formed. That is, an auxiliary chamber 46 recessed toward the rear side is defined in the vicinity of the tilting lower end side of the upright wall 16c located on the rear side of the water tray 16, and the auxiliary chamber 46 is required outside the auxiliary chamber 46 (rear side). A drainage pipe 47 of a length is connected for communication. Below this drain pipe 47, the ice storage 14
The drainage receiving part 19 formed at the end faces. The auxiliary chamber 46
And the ice making chamber 29 are provided with a dam plate 48 lower than the upright wall 16c.
Is defined by Therefore, the water dish 16
The ice making water supplied to the drainage overflows from the upper end surface of the dam plate 48 and can be discharged to the drainage receiving portion 19 through the drainage pipe 47. In other words, by the dam plate 48,
The ice making water stored in the ice making chamber 29 is maintained at a predetermined level.

When the water tray 16 is tilted obliquely downward by switching to the deicing operation, as shown in FIG.
7 abuts on the continuous edge of the drainage receiving portion 19 and the rear wall 80,
The water tray 16 is held in an inclined state, and the ice making water is discharged to a drainage receiving portion 19 through a drainage pipe 47. At the position where the water tray 16 stops tilting, part of the ice making water remains as it is by the dam plate 48, and this remaining water is mixed with water supplied from the ice making water supply pipe 49 for the next ice making operation. As a whole, the temperature of the ice making water can be reduced.

An ice making board 18 is horizontally suspended and supported above the ice storage 14 via the brackets 32, 32. The ice making board 18 is placed on the upper surface of the ice making board 18 from a refrigerating system housed in the machine room 12. The evaporating tube 31 that is led out is arranged in a meandering manner. Also, a number of ice making projections 17 are provided on the lower surface of the ice making substrate 18.
Are protruded so as to hang down at required intervals, and the ice making projections 17 are immersed in ice making water stored in the water tray 16 during the ice making operation. Then, by the operation of the refrigeration system, heat exchange with the refrigerant is performed in the evaporating tube 31, and the ice making projections 17 are cooled and maintained at 0 ° C. or less. As a result, ice blocks 21 are gradually formed around the ice making projections 17. Become. The ice making board 18 is provided with a plurality of through holes 18a to improve heat exchange efficiency and reduce weight.

(Regarding the Cam Control Mechanism) As shown in FIG. 6, a first cam portion 50 and a second cam portion 51 are provided on the back surface of the cam plate 36 provided on the actuator motor AM, which faces the bracket 35. It is formed so as to be deviated in the radial direction. The bracket 35 has a first cam portion 50 and a second cam portion 51 respectively corresponding to the first cam portion 50 and the second cam portion 51.
The second switch SW ₂ and the fourth switch SW ₄ is arranged, giving cam operating at the required timing with the rotation of the actuator motor AM, the water tray 1 by the motor AM
6, stop tilting and return, open hot gas valve,
The opening and closing of the water supply valve WV for replenishing ice making water are controlled respectively. That is, the first cam portion 50 and the second cam portion 51 are constituted by arc-shaped projections having a required radius and projecting in the axial direction. The lever member 52 extending from the second switch SW _2, together with contact with the first cam portion 50, so as to separate at a required timing from the first cam portion 50. The lever piece 5 of the second switch SW ₂
When the second member 2 comes into contact with the cam portion 50, the switch is turned on. The second switch SW ₂ controls the tilting stop the return stop of the water tray 16 by the actuator motor AM, controlling the opening of said hot gas valve.

The lever piece 53 extending from the fourth switch SW ₄ comes into contact with the second cam portion 51 and separates at a required timing. When the lever member 53 of the fourth switch SW ₄ is brought into contact with the cam portion 51, ON operation of the switch is made, controlling the opening of the water supply valve WV.

(Regarding Swinging Plate and Swinging Mechanism) Inside the ice making chamber 29 in the water tray 16, the tilting end side (left side) of the water tray 16 in the bottom plate 54a formed in a rectangular shape.
Rocking plate 5 having vertical rising portions 54b, 54c and 54d formed on three sides except for the side facing the upright wall 16d.
4 is arranged so as to be swingable, and is driven to swing up and down by rotation of a swing motor RM. A large number of circular or square through holes 55 are formed at required intervals in the bottom plate 54a and the right rising portion 54b of the rocking plate 54. The peripheral dimension of the rocking plate 54 is set slightly smaller than the internal dimension of the bottom surface 16a in the ice making chamber 29, and the projections 56, 56 formed on both sides in the upper longitudinal direction of the rising portion 54b are attached to the water tray 16. It is pivotally supported via pins 57, 57 (see FIG. 4). Then, with the rocking plate 54 pivotally supported on the water tray 16, the rocking plate 54 is closely mounted on the bottom surface of the ice making chamber 29, as shown in FIG. 5. The drilling position of the through hole 55 is determined by the position of the adjacent ice-making projections 17 and 1.
7 is set.

As shown in FIG. 5, an inverted L-shaped engaging piece 58 is formed integrally with a rising portion 54c located on the front side of the rocking plate 54, and an upper horizontal portion 58a of which is formed by the upright wall 16b of the ice making chamber 29. Extending beyond. A long hole 27a extending in the vertical direction is formed in the cover body 27 at a position corresponding to the upper horizontal portion 58a.
A swing member 59 rotated by the swing motor RM is slidably inserted. An oscillating projection 59a is eccentrically protruded at a position facing the back side of the cover body 27 of the oscillating member 59, and can be engaged with and disengaged from below on the upper horizontal portion 58a of the oscillating plate 54. I have. Therefore, if the swing member 59 is rotated counterclockwise, the swing protrusion 59a
Rotates in a state of engagement with the upper horizontal portion 58a to raise the rocking plate 54 from the bottom surface of the ice making chamber 29 by a required distance, and when the rocking projection 59a comes off the upper horizontal portion 58a, the rocking plate 54 falls on the bottom surface of the ice making chamber 29 by its own weight. That is, if the rocking motor RM is rotated during the ice making operation, the rocking plate 54 repeatedly swings up and down inside the ice making chamber 29 around the pins 57, 57, thereby constantly moving the ice making water. To prevent the production of cloudy ice. The swing plate 54 has through holes 5
Since the holes 5 are provided, the ice making water flows up and down and left and right through the through holes 55, so that a more active movement can be obtained.

Further, the rocking plate 54 is used for deicing operation.
The tilting plate 5 tilts integrally with the tilting of the water tray 16.
4, the ice making substrate 18 is provided on the right rising portion 54b.
An upright piece 60 extending upward is formed. The rocking plate 54 is separated from the water tray 16 by engaging the upright pieces 60 with the ice making substrate 18 while the rocking plate 54 is tilting together with the water tray 16, and the tilting posture is fixed. Is held.

(Mounting Structure of Swing Motor RM) As shown in FIGS. 4 and 5, one end of a flat mounting jig 38 is rotatably mounted on a bearing portion 34 protruding from the cover body 27. The rocking motor RM is provided on the front side near the end portion of the mounting jig 38 which is supported and separated from the pivot portion. A motor RM is connected to a cam portion 59b of a swinging member 59 protruding forward from the through hole 27a. A projecting piece 38a is formed on the front side of the mounting jig 38 facing between the pivot portion and the swing motor RM, and a torsion spring 39 interposed in the bearing 34 is provided at the lower end of the projecting piece 38a.
Is engaged at one end 39a. This protruding piece 38a
Engaging piece 33e formed on the lever piece 33b close to
The other end 39b of the torsion spring 39 is engaged with the upper end of the engagement piece 33e. Engagement piece 33
The upper end of e faces above the upper end of the projecting piece 38a of the mounting jig 38 when the water tray 16 is supported in a horizontal posture. Therefore, at this time, the mounting jig 3
8 is always urged to rotate clockwise about the bearing 34 under the elasticity of the torsion spring 39. When a required external force is applied to the oscillating motor RM, the mounting jig 38 can rotate by a required angle with the bearing 34 as a fulcrum.

That is, the torsion spring 39 engages with the engaging piece 58 of the oscillating plate 54 while the oscillating projection 59 a of the oscillating member 59 is engaged while the water tray 16 is in the horizontal position during the ice making operation. Functions to hold in a possible operating position. When the water tray 16 is tilted after switching from the ice making operation to the deicing operation,
The upper end of the engaging piece 33e of the lever piece 33b moves below the upper end of the protruding piece 38a of the mounting jig 38. At this time, the end 39b of the torsion spring 39 is
8a. Therefore, when the water tray 16 is tilted, the torsion spring 39 does not apply an urging force to the mounting jig 38.

An elongated hole 38b extending in the vertical direction is formed at an end of the mounting jig 38 remote from the pivot portion, and the regulating pin 6 protruding from the elongated hole 38b in correspondence with the cover 27.
1 is slidably inserted. The regulating pin 61 functions to regulate the range of rotation of the mounting jig 38. Under the elasticity of the torsion spring 39, the lower end of the long hole 38b always comes into contact with the regulating pin 61 and the swing member 59 faces the operating position (see FIG. 6).

(Switch S for detecting completion of ice making and deicing)
(W ₅ , Th ₁ ) The cover 27 is provided with a fifth switch SW ₅ for detecting completion of ice making, such as a microswitch, via a bracket 70, and the lever piece 62 is attached to the swing member 59.
In view of the descending locus of the cam portion 59b, the switch comes into contact with the cam portion 59b with the rotation of the mounting jig 38 (the swing motor RM) so that the switch can be switched. That is, the ice making operation proceeds, and the ice blocks 21
As the rock grows, the rocking plate 54 moves upward when the ice block 2 moves.
1 and comes into contact with the engagement piece 58 and the swing projection 5.
A downward reaction force is applied to the rocking motor RM via 9a. Mounting jig 38 Therefore rocking motor RM is disposed is rotated counterclockwise to the bearing portion 34 as a fulcrum, the lever member 62 of the cam portion 59b by the rotation process the fifth switch SW ₅ Is pressed, the completion of ice making in the ice making unit 15 is detected.

Here, the lever piece 6 of the fifth switch SW ₅
When the rocking motor RM is stopped at the same time when the rocking projection 2 is pressed, the rocking projections 5 contacting the engagement pieces 58 of the rocking plate 54
9a hinders tilting of the swing plate 54. Therefore, in the embodiment, the the cam portion 59b of the swinging member 59, the lever of the fifth switch SW ₅ in a state where the swing motor RM is pivoted piece 6
2 to form a notch 59c that does not press
Thus, control is performed to separate the swing projection 59a from the tilt locus of the engagement piece 58. Also, this cutout portion 59c, when it faces the position where the swing protrusion 59a is separated from the upper horizontal portion 58a of the engaging piece 58, with a positional relationship facing the position corresponding to the lever piece 62 of the fifth switch SW ₅ It is formed on the cam portion 59b. That is,
Also rotates the motor RM after the lever piece 62 of the fifth switch SW ₅ is pressed by the rotation of the rocking motor RM,
When the notch 59c is pressed the lever piece 62 arrives at a position corresponding to the lever piece 62 of the switch SW ₅ is released, it is set to stop the swing motor RM. As a result, the swing projection 59a is separated from the tilt locus of the engagement piece 58 in the swing plate 54, and does not hinder the tilt of the swing plate 54.

As shown in FIG. 5, the ice making unit 15
Ice on the upper surface of the substrate 18, the thermostatic switch Th ₁ for detecting the deicing completion is provided in the. The thermo-switch Th ₁ is ice mass 21 by deicing operation detects the rapid temperature rise at the time of falling from the ice making projections 17,
It functions to close the hot gas valve and rotate the actuator motor AM.

(Regarding Ice Block Discharging Apparatus and Ice Storage Completion Detection Switch) An ice block discharging motor G
M, and a screw 63 for carrying out ice blocks, which is rotationally driven by the motor GM, is provided in the storage portion 8 of the ice storage 14.
2 so as to face the inside. This screw 63
As described above, the shaft end portion is set so as to be rotatably inserted into the concave portion 64 formed at the corresponding position of the storage portion 82 and to rotate at a fixed position. Release motor GM is rotated only while the first switch SW ₁ Press the push button 25 which is disposed on the front panel 23 is ON operated, the ice blocks 21 are stored in the ice storage room 14 by the screw 63 The sheet is transported to the discharge port 14a.

As shown in FIG. 1, on the back surface of the cover 27, a regulating plate 65 corresponding to the position of the screw 63 and facing the ice storage chamber from the position where the discharge port 14a is formed.
Are rotatably suspended. The restriction plate 65 is pressed by the ice block 21 conveyed by the screw 63 to open the discharge port 14a to allow the release of the ice block 21 and to return to the initial position when the ice block discharging device 13 stops. To close the discharge port 14a, and functions to prevent outside air from entering the ice storage chamber 83 through the discharge port 14a. Further, a separating plate 68 is provided on the cover body 27 in the vicinity of the regulating plate 65. The separating plate 68 prevents the ice blocks 21 stored in the ice storage chamber 83 from being discharged from the discharge port 14a, and has a screw. Ice block 21 conveyed by 63
Is returned to the ice storage chamber 83 to prevent the discharge port 14a from being clogged. A discharge pipe 69 is connected to a portion of the ice storage 14 close to the position where the concave portion 64 is formed, and is configured to discharge the molten water from the ice block 21 to the outside of the storage.

A detection plate 66 is rotatably supported on the lower surface of the water tray 16, and the detection plate 66 always has its open end side with respect to the bottom surface of the water tray 16, as shown in FIG. It is held in a state of being separated downward. A third switch SW ₃ for detecting the completion of ice storage is provided on the front surface of the water tray 16, and the lever piece 67 of the switch SW ₃ is always turned by a protruding piece 66 a formed at the front end of the detection plate 66. Is in a pressed state. When the detection plate 66 comes into contact with the ice block 21 in the course of tilting the water tray 16 and rotates clockwise with respect to the water tray 16 that continues to rotate (the open end is
When) close to 6 bottom of the protrusion 66a is turned ON to actuate the switch SW ₃ spaced from the lever piece 67, it is set to detect the ice storage completion. The detection plate 66
When the ice piece 21 is not detected, the projection 66a of the
By setting so as to abut the lever member 67 of the W _3, and the automatic ice making machine is stopped when該検knowledge plate 66 falls off from the water tray 16 by reason of any incident, the detection of ice completion impossible state To prevent the ice block 21 from being manufactured. Further, the open end of the detection plate 66 is formed in a comb-teeth shape to reduce the load applied when the detection plate 66 comes into contact with the ice block 21.

[0037]

Next, the operation of the ice storage structure of the ice making machine according to the embodiment will be described. When assembling the automatic ice maker, an ice storage 14 is disposed and fixed above the lower machine room 12 via appropriate means. As shown in FIG. 7, the brackets 32 on which the ice making board 18 is disposed are positioned at the corresponding cut portions 77a, 77a, and the respective ends are fixed via screws 78. In addition, by inserting the corresponding shaft support 30 of the water tray 16 into the through holes 32a, 32a formed in the brackets 32, 32, the ice making substrate 18 is horizontally supported above the inside of the ice storage 14. , The water tray 16 is pivotably supported. At this time, the water dish 16
The drainage pipe 47 formed in the ice storage 14 is, as shown in FIG.
In the drainage receiving portion 19 of the first embodiment.

Further, a through hole 19 a formed in the drainage receiving portion 19 is provided.
Is connected to the water supply pipe 47 disposed on the ice making substrate 18 and the drainage pipe 20 is
Connect. Further, the cover 27 provided with the actuator motor AM, the swing motor RM, and the discharge motor GM is attached to the opening 79 of the ice storage 14. At this time, as shown in FIG. 4, the square shaft 33a of the turning support shaft 33 protruding from the back surface of the cover body 27 is inserted into the square hole 30a of the shaft support portion 30 of the water tray 16, so that the actuator motor The tilting and tilting return of the water tray 16 by AM can be performed. In addition, the shaft end of the screw 63 in the ice block discharging device 13 is attached in a state of being fitted into the concave portion 64 of the storage section 82. The ice storage 14 has a cover 27.
Is provided, the swing projection 59 of the swing member 59 is provided.
The engaging piece 58 of the swinging plate 54 held in a horizontal posture
At the lower side of the upper horizontal portion 58a.

As described above, the ice making unit 1 is stored in the ice storage 14.
5 and a cover 2 in which the motors AM, RM, GM are arranged
After arranging 7, the main frame 22 and the front panel 23 constituting the housing 10 are attached to complete the assembly of the ice making machine. The ice blocks 21 produced by the ice making unit 15 by the ice making operation are tilted downward by the water tray 16 and the ice making projections 17 are made by the ice removing operation.
Is released into the ice storage chamber 83 by being heated. As shown in FIG. 1, the bottom 81 of the ice storage 14 is inclined downward toward the storage 82, so that the ice blocks 21 discharged into the ice storage 83 are efficiently stored in the storage 82 where the screw 63 faces. It can be stored and carried out by the screw 63 reliably.

When the water tray 16 is tilted, the drain pipe 47 formed in the water tray 16 is moved to the ice storage 14 as shown in FIG.
The water tray 16 is kept in an inclined posture, while being in contact with the continuous edge of the rear wall 80 and the drainage receiving portion 19. The ice making water remaining in the water tray 16 without being frozen around the ice making projections 17 by the ice making operation is discharged to the drainage receiving portion 19 through the drainage pipe 47. The ice making water collected by the drainage receiving portion 19 is
It is discharged outside the machine through the drain pipe 20.

[0041]

As described above, according to the ice storage structure of the ice making machine according to the present invention, the ice storage is integrally formed with a drainage receiving portion for discharging ice making drainage outside the machine, and the ice storage is formed integrally with the ice storage. The part has a function to hold the water dish in an inclined position,
Manufacturing cost can be reduced by reducing the number of parts. In addition, since the mounting portion of the ice making unit is formed integrally with the ice storage, the number of processing steps can be reduced, and the assembling work of each component can be performed efficiently. In addition, since the ice storage can be integrally formed of a synthetic resin, the production cost can be further reduced. Further, by disposing the screw for carrying out the ice block in the ice storage, the ice block can be taken out without the finger of the operator coming into contact with the ice block, and there is an advantage that the ice block can always be kept hygienic.

[Brief description of the drawings]

FIG. 1 is a schematic longitudinal sectional view of an ice making machine employing an ice storage structure according to an embodiment.

FIG. 2 is a schematic perspective view of the ice storage according to the embodiment.

FIG. 3 is a vertical sectional view of the ice storage.

FIG. 4 is a schematic perspective view showing the ice making unit disposed in the ice storage according to the embodiment in a partially disassembled state.

FIG. 5 is a sectional view of a main part of the ice making unit shown in FIG. 4;

FIG. 6 is a front view of an essential part showing the tilting mechanism of the water tray and the swinging mechanism of the swinging plate in a partially cutaway state.

FIG. 7 is a schematic perspective view showing the ice making unit arranged in an ice storage.

FIG. 8 is a partially cutaway front view of the ice making unit.

FIG. 9 is a partially cutaway side view showing a state in which a water tray is tilted in the ice making unit.

FIG. 10 is an external perspective view of the ice making machine.

[Explanation of symbols]

11: condenser, 14: ice storage, 15: ice making unit, 1
6: water tray 17: ice making projection, 18: ice making board, 19: drain receiving part, 2
DESCRIPTION OF SYMBOLS 1 ... Ice block 27 ... Cover body, 29 ... Ice-making room, 31 ... Evaporation tube, 63 ...
Screw 77: Side wall, 77a: Notch, 79: Opening, 80: Rear wall 81: Bottom, 82: Storage unit, 83: Ice storage room, CM: Compressor

Claims (4)

(57) [Scope of request for utility model registration] An evaporating tube (31) connected to a refrigeration system having a compressor (CM), a condenser (11) and the like, and the evaporating tube (31) is disposed on an upper surface and a plurality of evaporating tubes are provided on a lower surface. The ice making board (18), in which the ice making part (17) is protruded and suspended at a predetermined interval, and the ice making part which is always kept in a horizontal position and is in the ice making water in the ice making room (29) defined therein.
An ice making unit (15) comprising a water dish (16) into which (17) is immersed.
An ice making machine configured to tilt the water tray (16) obliquely downward when ice making water freezes around the ice making part (17) to form a required ice block (21). A pair of side walls (77, 77) and a side wall (77, 7)
7) An ice storage () that opens forward and upward from a rear wall (80) formed at the rear end and a bottom (81) and a storage portion (82) formed at the bottom of the side wall (77, 77). Forming an ice storage room (83) for storing ice blocks (21) produced by the ice making unit (15) facing upward inside the ice storage (14). When the water dish (16) is tilted to the rear wall (80), the water dish
A drainage receiving portion (19) for collecting the ice making water discharged from the (16) is formed, and the water tray (16) is formed at a continuous edge between the rear wall (80) and the drainage receiving portion (19). An ice storage structure of an ice making machine, wherein the ice storage device is configured to abut against and hold the device in an inclined posture. 2. The ice storage structure of an ice making machine according to claim 1, wherein mounting portions (77a, 77a) of said ice making unit (15) are formed on said both side walls (77, 77). 3. The ice storage (14) is synthesized by setting each bottom surface of the mounting portion (77a), the drainage receiving portion (19) and the storage portion (82) so as to be inclined at the same angle toward the front side. 3. The ice storage structure of an ice machine according to claim 2, wherein the ice storage device is configured to be integrally formed of resin. 4. A screw (63) for carrying out ice blocks provided in a cover body (27) for closing a front opening (79) of the ice storage (14) is rotatably provided in the storage section (82). Claim 1, which is stored
4. The ice storage structure of the ice making machine according to 2 or 3.