KR102446551B1 - Power transfer system of Ice moving-breaker and Ice maker and refrigerator including the same - Google Patents

Abstract

The present invention relates to a power transmission structure of an ice transport and crushing unit, and an ice maker and refrigerator having the same, comprising a case having an internal space, an ice maker disposed at an upper portion of the inner space of the case, and a lower portion of the inner space of the case an ice bank detachably disposed to the outside, and an agger disposed adjacent to the ice bank and providing a driving force to drive the ice transport unit in the ice bank, wherein the ice bank and the auger include: By being connected in a spline gear meshing method, it is easy to attach and detach the ice bank and the auger, and it provides the advantage of reducing the operation noise and preventing the deterioration of the emotional quality of the consumer's product.

Description

Power transfer structure of an ice transfer crusher and an ice maker and a refrigerator having the same

The present invention relates to a power transmission structure of an ice transport and crusher, and an ice maker and a refrigerator having the same.

BACKGROUND ART In general, a refrigerator is a device for storing food stored therein by refrigeration or freezing and storing it for a long time without deterioration by cooling the air in the refrigerator using a freezing cycle. The refrigerator includes a main body forming a storage space separated from a refrigerating compartment and a freezing compartment therein, and a door mounted on one side of the main body to open and close the refrigerating compartment and the freezing compartment, and the main body includes a compressor, a condenser, and an evaporator. A mechanism is provided to form the cycle. In addition, an ice maker may be installed in any one of the freezing compartment and the refrigerating compartment.

After the ice is made, the ice maker is automatically transferred from the ice storage unit to the outside through the dispenser according to the user's input signal, or if necessary, the entire ice storage unit is directly taken out by the user to collect the manufactured ice. can be supplied directly.

To this end, an ice transport unit for transporting ice is provided in the ice storage unit, and the ice transport unit is provided to be rotationally driven by a transport motor provided outside the ice storage unit.

In addition, as described above, the ice storage unit is provided so that the user can arbitrarily take it out, and the ice conveying unit and the conveying motor must be detachably provided at any time.

However, an example of the ice maker according to the prior art needs to be provided in a structure in which a transfer motor for transferring the ice produced in the ice storage unit and the transfer unit can be detached, so a predetermined coupling tolerance for attachment and detachment between the two is essential. Here, the larger the coupling tolerance, the greater the operating noise generated by the collision of the parts of the coupling part during the rotation operation of the transport motor is transmitted to the outside, which may lead to a problem of lowering the emotional quality of the product of the consumer.

Republic of Korea Patent Publication No. 10-1551167 (Announcement date: September 08, 2015)

The present invention has been devised to solve the above technical problem, and an object of the present invention is to provide a power transmission structure of an ice transport and crusher that is easy to attach and detach between an ice bank and an auger, and an ice maker and a refrigerator having the same.

Another object of the present invention is to provide a power transmission structure of an ice transport and crusher capable of minimizing the generation of operating noise when the ice transporter operates, and an ice maker and refrigerator having the same.

An embodiment of the ice maker according to the present invention includes a case having an inner space, an ice maker disposed at an upper portion of the inner space of the case, and a lower portion of the inner space of the case and detachably disposed to the outside. an ice bank, and an agger disposed adjacent to the ice bank and providing a driving force to drive an ice transport unit in the ice bank, wherein the ice bank and the auger are connected in a spline gear meshing manner.

Here, the auger includes a driving motor, and the ice transport unit includes a transport screw disposed in the ice bank and a screw shaft serving as a rotation center of the transport screw, and a rotation shaft of the driving motor and the screw shaft This can be connected

In addition, a connection groove is formed on the outer side of the ice bank to be rotatably connected to the screw shaft and open outward in the axial direction, and a connection protrusion which is inserted into and fixed to the connection groove portion may be formed on the rotation shaft of the driving motor. have.

In addition, a connecting protrusion is formed on the outer side of the ice bank so as to be rotatably connected to the screw shaft and protrude outward in the axial direction. It can be formed concavely.

In addition, male spline gear teeth are formed on the outer circumferential surface of the connection protrusion, and female spline gear teeth to which the male spline gear teeth are engaged may be formed on the inner circumferential surface of the connection groove portion.

In addition, the connecting protrusion may be formed with a guide part whose outer diameter is gradually reduced toward the front end so that the front end guides the insertion into the connecting groove portion.

In addition, the auger unit includes an auger case and an auger driving unit fixed to the auger case to generate a predetermined driving force, the auger driving unit, a driving motor, one side is connected to the rotation shaft of the driving motor, and the other side is a transmission gear unit connected to the ice bank; Axes can be connected.

In addition, the transmission gear unit may include a motor gear connected to the rotation shaft of the driving motor, and a reduction gear meshed with the motor gear and rotated, and the rotation shaft of the reduction gear and the screw shaft may be connected to each other.

In addition, a connection groove is formed on the outer side of the ice bank so as to be rotatably connected to the screw shaft and open to the outside in the axial direction, and a connection protrusion that is inserted into and fixed to the connection groove portion may be formed on the rotation shaft of the reduction gear. have.

In addition, a connecting protrusion is formed on the outer side of the ice bank to be rotatably connected to the screw shaft and protrude outward in the axial direction. It can be formed concavely.

In addition, male spline gear teeth may be formed on the outer peripheral surface of the connection protrusion, and female spline gear teeth to which the male spline gear teeth are engaged may be formed on the inner peripheral surface of the connection groove part.

In addition, the connecting protrusion may be formed with a guide part whose outer diameter is gradually reduced toward the front end so that the front end guides the insertion into the connecting groove portion.

According to an embodiment of the refrigerator according to the present invention, a refrigerator body having a freezing compartment and a refrigerating compartment, a case installed in any one of the freezing compartment and the refrigerating compartment, the case having an internal space formed therein, and an ice maker disposed at an upper portion of the internal space of the case and an ice bank disposed at a lower portion of the inner space of the case and detachably disposed to the outside; wherein the ice bank and the auger are splined so that, when coupled, the driving force of the auger is transmitted to the ice transfer unit and, when disassembled, the ice bank is removed in a straight line to the outside of the refrigerator body. It is connected in a gear meshing method.

Here, a connection groove is formed on the outside of the ice bank to be rotatably connected to the screw shaft and open to the outside in the axial direction, and a connection protrusion that is inserted into and fixed to the connection groove is formed on the rotation shaft of the driving motor. have.

In addition, a connecting protrusion is formed on the outer side of the ice bank so as to be rotatably connected to the screw shaft and protrude outward in the axial direction. It can be formed concavely.

In addition, male spline gear teeth may be formed on the outer peripheral surface of the connection protrusion, and female spline gear teeth to which the male spline gear teeth are engaged may be formed on the inner peripheral surface of the connection groove part.

In addition, the connecting protrusion may be formed with a guide part whose outer diameter is gradually reduced toward the front end so that the front end guides the insertion into the connecting groove portion.

The auger includes a driving motor, a transmission gear unit connected to the rotation shaft of the driving motor at one end and a transmission gear unit connected to the ice bank at the other end, and the ice transfer unit includes a transfer screw disposed in the ice bank; and a screw shaft serving as a rotation center of the transfer screw, and the rotation center of the other side of the transmission gear unit may be connected to the screw shaft.

In addition, the transmission gear unit may include a motor gear connected to the rotation shaft of the driving motor, and a reduction gear meshed with the motor gear and rotated, and the rotation shaft of the reduction gear and the screw shaft may be connected to each other.

In addition, a connection groove is formed on the outer side of the ice bank so as to be rotatably connected to the screw shaft and open to the outside in the axial direction, and a connection protrusion that is inserted into and fixed to the connection groove portion may be formed on the rotation shaft of the reduction gear. have.

In addition, a connecting protrusion is formed on the outer side of the ice bank to be rotatably connected to the screw shaft and protrude outward in the axial direction. It can be formed concavely.

In addition, male spline gear teeth may be formed on the outer peripheral surface of the connection protrusion, and female spline gear teeth to which the male spline gear teeth are engaged may be formed on the inner peripheral surface of the connection groove part.

In addition, the connecting protrusion may be formed with a guide part whose outer diameter is gradually reduced toward the front end so that the front end guides the insertion into the connecting groove portion.

According to an embodiment of the ice maker and the refrigerator including the same according to the present invention, the following various effects can be achieved.

First, it has the effect of improving the convenience of consumers by being easy to combine with and release from the ice bank.

Second, it has the effect of preventing the deterioration of the emotional quality of the consumer's product by minimizing the generation of operating noise when the ice bank is operated by the combination of the Auger.

1 is a side conceptual view showing an ice maker according to the present invention and a refrigerator including the same;
2 is a side view showing the coupling and dismounting of the ice bank in the configuration of an embodiment of the ice maker according to the present invention;
3A and 3B are exploded perspective views illustrating embodiments of an ice maker and a refrigerator including the same according to the present invention;
Figures 4a and 4b are side cross-sectional views of the embodiment of Figure 3,
5 is a side cross-sectional view illustrating an operation of an ice maker according to an embodiment of the present invention.

Hereinafter, specific embodiments of the present invention will be described with reference to the drawings. However, this is merely an example and the present invention is not limited thereto.

In the description of the present invention, if it is determined that the detailed description of the known technology related to the present invention may unnecessarily obscure the gist of the present invention, the detailed description thereof will be omitted. And, the terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to intentions or customs of users and operators. Therefore, the definition should be made based on the content throughout this specification.

The technical spirit of the present invention is determined by the claims, and the following examples are only one means for effectively explaining the technical spirit of the present invention to those of ordinary skill in the art to which the present invention belongs.

1 is a schematic side view illustrating an ice maker and a refrigerator including the same according to the present invention, and FIG. 2 is a side view showing the coupling and dismounting of an ice bank in the configuration of an embodiment of the ice maker according to the present invention, FIGS. 3A and 3B is an exploded perspective view showing embodiments of an ice maker according to the present invention and a refrigerator including the same, FIGS. 4A and 4B are side cross-sectional views of the embodiments of FIG. 3 , and FIG. 5 is an operation view of the ice maker according to the present invention It is a cross-sectional side view of an embodiment.

Referring to FIG. 1 , a refrigerator 1 according to an embodiment of the present invention includes a refrigerator body 5 forming an exterior, a refrigerating compartment (A) located at the upper or lower portion of the internal space of the refrigerator body 5 , and It includes a freezer compartment (B) positioned in the rest, a refrigerator compartment door (A) and a freezer compartment door (not shown) for opening and closing the refrigerating compartment (A) and the freezing compartment (B).

In addition, an ice maker 10 for generating ice by freezing water may be provided in any one of the refrigerating compartment (A) and the freezing compartment (B).

Recently, the freezer compartment (B), which is used less frequently, is disposed at the lower part of the refrigerator body (5), and the refrigerating compartment (A), which is used frequently, is disposed in the upper part of the refrigerator body (5). (A) is provided for convenient use.

The ice maker 10 is generally provided on the side of the freezing compartment (B) based on the convenience of refrigerant piping design. However, in view of the above-mentioned convenience of consumers, in recent years, it is provided separately on the side of the refrigerating compartment (A) provided above the refrigerator main body (5).

The refrigerating compartment door or the freezing compartment door may be provided to open and close the front surfaces of each of the refrigerating compartment (A) and the freezing compartment (B). The freezing compartment door may be provided in the form of a drawer according to an embodiment to open and close the freezing compartment (B).

According to the embodiment of the refrigerator 1 , the ice maker 10 and the refrigerator 1 including the ice maker 10 as described above store ice made when the consumer opens the refrigerator compartment door or the freezer compartment door, which will be described later. It may be provided to withdraw the bank 30 to the outside, as well as to be automatically extracted through the dispenser 50 provided in front of the refrigerator compartment door or the freezer compartment door.

An embodiment of the ice maker 10 according to the present invention and a refrigerator 1 including the same, as shown in FIGS. 1 and 2 , include a case (not shown) having an internal space formed therein, and an upper portion of the internal space of the case. The ice maker 20 disposed on the pole, the ice bank 30 disposed in the lower part of the inner space of the case and detachably disposed to the outside, and the ice bank 30 disposed adjacent to the ice bank 30, the ice bank 30 It includes an auger 40 that provides a driving force to drive the ice conveying and crushing parts 35 and 37 inside. The ice transport crushers 35 and 37 may be divided into an ice transport unit 35 that transports ice in the ice bank 30 and an ice grinder 37 that crushes the transferred ice.

Here, the case may be fixed in a predetermined space provided for the installation of the ice maker 10 according to the present invention on one side of the refrigerating compartment (A) or the freezing compartment (B).

In the upper part of the inner space of the case, the water supplied by the ice maker 20 is made, and then the ice transferred by an ice evacuation means (not shown) is dropped into the ice bank 30 disposed at the lower part of the inner space of the case. Save.

As such, the ice dropped and stored in the ice bank 30 can be provided to the consumer from the ice bank 30 that is separated from the case and drawn to the outside, as well as being stored in the case using the ice transport and crushers 35 and 37 . The ice bank 30 in a fixed state may be automatically drawn out toward the dispenser 50 and provided to the consumer.

To this end, the ice bank 30 is disconnected from the auger 40 when it is required to be separated from the case, and when the driving force of the ice transport and crushing units 35 and 37 is to be transmitted, the ice bank 30 is disconnected from the auger 40 . ) is arranged to be combined with

The embodiment of the power transmission structure of the ice transport crushing units 35 and 37 according to the present invention relates to an efficient power transmission structure between the ice transport crushing units 35 and 37 and the agglomerate 40 described above.

More specifically, the ice bank 30 is disposed to be elongated in the front-rear direction at one side of the refrigerating compartment (A) or the refrigerating compartment (A), and to be withdrawn to the outside of the refrigerator body 5 in the front-rear direction.

2 to 5 , the ice bank 30 includes a predetermined accommodating part (not indicated) for storing ice therein, and a screw shaft disposed long in the front-rear direction inside the accommodating part. (31) and a feed screw (33) formed on the outer peripheral surface of the screw shaft (31).

When the transfer screw 33 receives a driving force from the driving unit of the aggregator 40 to be described later and rotates, the transfer screw 33 rotates and catches with the transfer screw 33 so that ice is stored in the receiving part of the ice bank 30 . automatically transferred to the front end.

An ice crushing unit 37 for crushing the transferred ice may be integrally provided at the front end of the ice bank 30 . The ice crushing unit 37 is provided with a plurality of crushing blades 38 for crushing ice while rotating in conjunction with the screw shaft 31 .

The crushed ice crushed by the plurality of crushing blades 38 may be discharged downward from the ice bank 30 and supplied to the outside through the dispenser 50 .

In addition, the auger 40 is disposed inside the ice bank 30 . The auger 40 includes an auger case 41 and an auger driving unit (not shown) that is fixed to the auger case 41 and generates a predetermined driving force.

Here, the ice bank 30 and the aggressor 40 may be connected in a spline gear meshing method. In this case, when the ice bank 30 is withdrawn to the outside, the connection with the Auger driving unit of the Auger 40 to be described later is released, and when the Ice Bank 30 is not withdrawn to the outside, the Auger 40 to be described later. This is to ensure that the connection with the Auger driving unit of the Specific details on this will be described later.

Here, the Auger driving unit may include an electrically driven driving motor 45 and a connection part (not shown) provided on the rotation shaft 45a of the driving motor 45 .

The connection part is provided in the form of a connection protrusion 46 or a connection groove part 36 that is provided in direct connection with the rotation shaft 45a of the drive motor 45 and rotates coaxially, as shown in FIGS. 3A and 4A . have.

That is, according to the embodiment of the ice maker 10 according to the present invention and the refrigerator 1 including the same, as shown in FIGS. 3A to 4B , the outer side of the ice bank 30 is interlocked with the screw shaft 31 . A connection groove portion 36 may be formed to be rotatably connected and open to the outside in the axial direction, and a connection protrusion portion 46 inserted into the connection groove portion 36 and fixed to the rotation shaft 45a of the drive motor 45 is formed. can be

Conversely, according to the embodiment of the ice maker 10 and the refrigerator 1 according to the present invention, although not shown in the drawings, the ice bank 30 is connected to the outside of the ice bank 30 to be interlocked and rotated with the screw shaft 31 , and the outer side in the axial direction. The connecting protrusion 46 may be formed to protrude into the axial direction, and the connecting protrusion 46 is inserted and fixed to the rotating shaft 45a of the driving motor 45, and the connecting groove 36 may be formed to be recessed inward in the axial direction. have.

Here, male spline gear teeth 37 are formed on the outer circumferential surface of the connection protrusion 46, and female spline gear teeth 37 to which the male spline gear teeth 37 are mated are formed on the inner circumferential surface of the connection groove portion 36. have.

The female spline gear teeth 37 and the male spline gear teeth 37 may be formed in a linear direction corresponding to the extraction direction of the ice bank 30 for smooth gear meshing and gear meshing release.

On the other hand, the connection part of the driving part may be provided in the form of a transmission gear part 49, as shown in FIGS. 3B and 4B .

The transmission gear unit 49 serves to reduce the driving force generated from the driving motor 45 to a predetermined speed and transmit it to the screw shaft 31 .

The transmission gear unit 49 is, as shown in FIGS. 3B and 4B , a motor gear 49a connected to the rotation shaft 45a of the drive motor 45, and a reduction gear that is meshed with the motor gear 49a and rotates. (49b) may be included. The rotation shaft 42 of the reduction gear 49b is connected to the screw shaft 31 of the ice transfer unit 35 described above, and may be provided in the form of a connection protrusion portion 46 or a connection groove portion 36 .

Here, the connecting protrusion 46 or the connecting groove 36 may also be provided with male spline gear teeth 37 and female spline gear teeth 37, respectively, and each gear tooth corresponds to the withdrawal direction of the ice bank 30 . It may be formed in a straight line direction.

The reduction gear 49b is connected and rotated coaxially (refer to reference numeral 42) with the rotation shaft of the connection protrusion part 46 or the connection groove part 36, so that the gear teeth have a larger number of gear teeth compared to the motor gear 49a. By being formed, it serves to reduce the rotational speed of the driving motor 45 .

On the other hand, the connecting protrusion 46 may be formed with a guide portion 48 whose outer diameter gradually decreases toward the end so that the end guides the insertion into the connecting groove portion 36 .

Therefore, when the connecting protrusion 46 is inserted into the connecting groove 36, the tip with a small initial outer diameter is first inserted into the connecting groove 36, the insertion position is set, and then the connecting protrusion 46 is inserted to some extent. When the female spline gear tooth 37 formed on the inner circumferential surface of the connection groove part 36 and the male spline gear tooth 37 formed on the outer circumferential surface of the connection protrusion part 46 mesh with each other, the screw shaft ( 31) to transmit the rotational force.

The operation process of the ice maker 10 according to the present invention configured as described above and the refrigerator 1 including the same will be described with reference to the accompanying drawings (in particular, FIGS. 4B and 5 ).

First, as shown in FIG. 4B , when a consumer wants to obtain ice extracted automatically by using the dispenser 50 without removing the ice bank 30 from the refrigerator body 5, the ice Activate the eject button.

Then, the connecting groove 36 (or the connecting protrusion 46 ) formed in the screw shaft 31 of the ice transport unit 35 provided inside the ice bank 30 and the Auger driving unit or driving motor of the Auger unit 40 . The connection protrusion 46 (or the connection groove portion 36) is coupled to the rotation shaft of the shaft in a spline gear meshing method, and as the transfer screw 33 rotates, the ice stored in the ice bank 30 moves to the front end of the ice bank 30. while being discharged to the outside through the dispenser 50 through the crushing unit (not shown).

At this time, since the connecting groove 36 and the connecting protrusion 46 do not require a coupling tolerance that exceeds the gear meshing tolerance for gear meshing, the operation noise caused by the operation of the ice conveying part 35 is not greatly generated.

Next, as shown in FIG. 5 , when the consumer directly removes the ice bank 30 from the refrigerator body 5 to obtain ice stored in the ice bank 30, the refrigerator compartment door (or the refrigerator compartment door) After opening, the ice bank 30 is drawn forward.

Then, the connection protrusion 46 accommodated in the connection groove portion 36 of the ice bank 30 is released to the outside, and the connection between the auger driving unit of the auger unit 40 and the ice transfer unit 35 is released, and the consumer The bank 30 can be naturally withdrawn to the outside.

At this time, since the connecting groove portion 36 and the connecting protrusion portion 46 are respectively connected in a spline gear meshing method, separation according to the withdrawal of the ice bank 30 can be performed naturally without noise.

Accordingly, according to the power transmission structure of the ice transport crusher according to the present invention, and the ice maker 10 and the refrigerator 1 having the same, in the process of withdrawing or inserting the ice bank 30 and operating the ice transport unit 35 , Since almost no operating noise is generated, it has the advantage of preventing the deterioration of the emotional quality of the consumer's product.

The above-described embodiments of the power transmission structure of the ice transport and crusher according to the present invention and an ice maker and a refrigerator having the same have been described in detail with reference to the accompanying drawings. However, the embodiments of the present invention are not limited by the above-described embodiments, and it will be natural that various modifications and implementations in equivalent ranges are possible by those skilled in the art to which the present invention pertains. Therefore, it will be said that the true scope of the present invention is determined by the following claims.

1: Refrigerator 5: Refrigerator body
10: ice maker 20: ice maker
30: ice bank 31: screw shaft
33: transfer screw 35: ice transfer unit
36: connection groove 37: female spline gear teeth
40: auger 42: rotation shaft of the reduction gear
45: drive motor 45a: rotation shaft of the drive motor
46: connecting protrusion 47: male spline gear teeth
48: guide portion 49: transmission gear portion
49a: motor gear 49b: reduction gear
50: dispenser

Claims (35)

It is a power transmission structure between the ice bank and the auger that is detachable from the inside to the outside of the case where the inner space is formed,
In the power transmission structure, the connecting protrusion provided in any one of the ice bank or the auger and the connecting groove provided in the other one of the ice bank or the auger are engaged with a spline gear;
The ice bank includes an ice transfer unit including an ice transfer unit for moving ice;
The auger includes an auger case and an auger driving unit fixed to the auger case to generate a predetermined driving force,
The Auger driving unit,
a drive motor;
one side is connected to the rotation shaft of the driving motor and the other side includes a transmission gear unit connected to the ice bank;
The ice conveying unit includes a conveying screw disposed in the ice bank and a screw shaft serving as a rotation center of the conveying screw;
The power transmission structure of the ice transport crushing unit in which the rotation center of the other side of the transmission gear unit and the screw shaft are connected.
The method according to claim 1,
The auger includes a driving motor,
The ice transport crushing unit includes a transport screw disposed in the ice bank, and a screw shaft serving as a rotation center of the transport screw;
The power transmission structure of the ice transport crusher in which the rotation shaft of the driving motor and the screw shaft are connected.
3. The method according to claim 2,
On the outside of the ice bank, the connection groove is formed to be rotatably connected to the screw shaft and open outward in the axial direction;
The power transmission structure of the ice transport crushing unit is formed so that the connecting protrusion is inserted into the connecting groove to be fixed to the rotating shaft of the driving motor.
3. The method according to claim 2,
The connecting protrusion is connected to the outer side of the ice bank so as to be rotatably connected to the screw shaft and protrude outward in the axial direction;
The power transmission structure of the ice transport crushing unit is formed so that the connecting protrusion is inserted into the connecting groove in the rotation shaft of the driving motor to be fixedly recessed in the axial direction.
5. The method according to claim 3 or 4,
The outer peripheral surface of the connecting protrusion is formed with male spline gear teeth,
The power transmission structure of the ice transport crushing unit in which female spline gear teeth to which the male spline gear teeth are engaged are formed on the inner circumferential surface of the connection groove portion.
5. The method according to claim 3 or 4,
The power transmission structure of the ice transport crushing unit in which the connecting protrusion is formed with a guide portion whose outer diameter becomes smaller toward the end so that the end guides the insertion into the connecting groove.
delete The method according to claim 1,
The transmission gear unit,
a motor gear connected to the rotation shaft of the driving motor;
It includes a reduction gear which is rotated by meshing with the motor gear,
The power transmission structure of the ice transport crusher in which the rotation shaft of the reduction gear and the screw shaft are connected.
9. The method of claim 8,
A connection groove is formed on the outside of the ice bank so as to be rotatably connected to the screw shaft and open outward in the axial direction;
The power transmission structure of the ice transport crushing unit having a connecting protrusion that is inserted into the connecting groove and fixed to the rotating shaft of the reduction gear.
9. The method of claim 8,
A connecting protrusion is formed on the outside of the ice bank so as to be rotatably connected to the screw shaft and protrude outward in the axial direction;
The power transmission structure of the ice transport crushing unit in which the connecting protrusion to which the connecting protrusion is inserted and fixed to the rotation shaft of the reduction gear is formed to be recessed inward in the axial direction.
11. The method according to claim 9 or 10,
The outer peripheral surface of the connecting protrusion is formed with male spline gear teeth,
The power transmission structure of the ice transport crushing unit in which female spline gear teeth to which the male spline gear teeth are engaged are formed on the inner circumferential surface of the connection groove portion.
11. The method according to claim 9 or 10,
The power transmission structure of the ice transport crushing unit in which the connecting protrusion is formed with a guide portion whose outer diameter becomes smaller toward the end so that the end guides the insertion into the connecting groove.
a case having an internal space;
an ice maker disposed at an upper portion of the inner space of the case;
an ice bank disposed at a lower portion of the inner space of the case and detachably disposed to the outside;
and an auger disposed adjacent to the ice bank and providing a driving force to drive the ice transport and crusher in the ice bank;
The ice bank and the auger are engaged with a spline gear,
The auger includes an auger case and an auger driving unit fixed to the auger case to generate a predetermined driving force,
The ice bank includes an ice transfer unit including an ice transfer unit for moving ice;
The Auger driving unit,
a drive motor;
one side is connected to the rotation shaft of the driving motor and the other side includes a transmission gear unit connected to the ice bank;
The ice conveying unit includes a conveying screw disposed in the ice bank and a screw shaft serving as a rotation center of the conveying screw;
An ice maker having a power transmission structure of an ice conveying and crushing unit in which a rotation center of the other side of the transmission gear unit and the screw shaft are connected.
14. The method of claim 13,
The auger includes a driving motor,
The ice transport crushing unit includes a transport screw disposed in the ice bank, and a screw shaft serving as a rotation center of the transport screw;
An ice maker in which a rotation shaft of the driving motor and the screw shaft are connected.
15. The method of claim 14,
A connection groove is formed on the outside of the ice bank so as to be rotatably connected to the screw shaft and open outward in the axial direction;
An ice maker having a connecting protrusion that is inserted into and fixed to the connecting groove on the rotating shaft of the driving motor.
15. The method of claim 14,
A connecting protrusion is formed on the outside of the ice bank so as to be rotatably connected to the screw shaft and protrude outward in the axial direction;
An ice maker in which a connection groove in which the connection protrusion is inserted and fixed to the rotation shaft of the driving motor is formed to be recessed inward in an axial direction.
17. The method of claim 15 or 16,
The outer peripheral surface of the connecting protrusion is formed with male spline gear teeth,
An ice maker formed with female spline gear teeth to which the male spline gear teeth are coupled to an inner circumferential surface of the connection groove portion.
17. The method of claim 15 or 16,
The connecting protrusion includes a guide portion having an outer diameter gradually decreasing toward the distal end so that the distal end guides insertion into the connecting groove portion.
delete 14. The method of claim 13,
The transmission gear unit,
a motor gear connected to the rotation shaft of the driving motor;
It includes a reduction gear which is rotated by meshing with the motor gear,
An ice maker in which the rotation shaft of the reduction gear and the screw shaft are connected.
21. The method of claim 20,
A connection groove is formed on the outside of the ice bank so as to be rotatably connected to the screw shaft and open outward in the axial direction;
An ice maker having a connecting protrusion that is inserted into and fixed to the connecting groove on the rotation shaft of the reduction gear.
21. The method of claim 20,
A connecting protrusion is formed on the outside of the ice bank so as to be rotatably connected to the screw shaft and protrude outward in the axial direction;
An ice maker in which a connection groove in which the connection protrusion is inserted and fixed to the rotation shaft of the reduction gear is recessed in an axial direction.
23. The method of claim 21 or 22,
The outer peripheral surface of the connecting protrusion is formed with male spline gear teeth,
An ice maker formed with female spline gear teeth to which the male spline gear teeth are coupled to an inner circumferential surface of the connection groove portion.
23. The method of claim 21 or 22,
The connecting protrusion includes a guide portion having an outer diameter gradually decreasing toward the distal end so that the distal end guides insertion into the connecting groove portion.
a refrigerator body having a freezer compartment and a refrigerating compartment;
Installed in any one of the freezing compartment and the refrigerating compartment, a case having an internal space, an ice maker disposed at an upper part of the internal space of the case, and a lower part of the internal space of the case, the case being detachably disposed to the outside An ice maker comprising: an ice bank; and an ice maker disposed adjacent to the ice bank and including an agger for providing a driving force to provide an ice transfer unit in the ice bank;
The ice bank and the fisherman,
When coupled, the driving force of the auger is transmitted to the ice transfer unit,
Upon removal, the ice bank is engaged with a spline gear so that the ice bank is removed in a linear direction to the outside of the refrigerator body;
The fisherman,
a drive motor;
one side is connected to the rotation shaft of the driving motor and the other side includes a transmission gear unit connected to the ice bank;
The ice conveying unit includes a conveying screw disposed in the ice bank and a screw shaft serving as a rotation center of the conveying screw;
A refrigerator having a power transmission structure of an ice transport and crushing unit in which a rotation center of the other side of the transmission gear unit and the screw shaft are connected.
26. The method of claim 25,
A connection groove is formed on the outside of the ice bank so as to be rotatably connected to the screw shaft and open outward in the axial direction;
A refrigerator having a connecting protrusion that is inserted into the connecting groove and fixed to the rotating shaft of the driving motor.
27. The method of claim 26,
A connecting protrusion is formed on the outside of the ice bank so as to be rotatably connected to the screw shaft and protrude outward in the axial direction;
A refrigerator in which a connection groove in which the connection protrusion is inserted and fixed to the rotation shaft of the driving motor is formed to be recessed inward in the axial direction.
28. The method of claim 26 or 27,
The outer peripheral surface of the connecting protrusion is formed with male spline gear teeth,
A refrigerator in which female spline gear teeth to which the male spline gear teeth are fitted are formed on an inner circumferential surface of the connection groove portion.
28. The method of claim 26 or 27,
The connecting protrusion is provided with a guide portion having an outer diameter gradually decreasing toward the front end so that the front end guides insertion into the connecting groove portion.
delete 26. The method of claim 25,
The transmission gear unit,
a motor gear connected to the rotation shaft of the driving motor;
It includes a reduction gear which is rotated by meshing with the motor gear,
A refrigerator to which the rotation shaft of the reduction gear and the screw shaft are connected.
32. The method of claim 31,
A connection groove is formed on the outside of the ice bank so as to be rotatably connected to the screw shaft and open outward in the axial direction;
A refrigerator having a connecting protrusion that is inserted into the connecting groove and fixed to the rotating shaft of the reduction gear.
32. The method of claim 31,
A connecting protrusion is formed on the outside of the ice bank so as to be rotatably connected to the screw shaft and protrude outward in the axial direction;
A refrigerator in which a connection groove in which the connection protrusion is inserted and fixed to the rotation shaft of the reduction gear is recessed in the axial direction.
34. The method of claim 32 or 33,
The outer peripheral surface of the connecting protrusion is formed with male spline gear teeth,
A refrigerator in which female spline gear teeth to which the male spline gear teeth are fitted are formed on an inner circumferential surface of the connection groove portion.
34. The method of claim 32 or 33,
The connecting protrusion is provided with a guide portion having an outer diameter gradually decreasing toward the front end so that the front end guides insertion into the connecting groove portion.

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