CN214537002U

CN214537002U - Ice making assembly and refrigerator

Info

Publication number: CN214537002U
Application number: CN202120010124.3U
Authority: CN
Inventors: 赵振雨; 张延庆; 赵斌堂; 宋向鹏; 牟国梁
Original assignee: Qingdao Haier Refrigerator Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Refrigerator Co Ltd; Haier Smart Home Co Ltd
Priority date: 2021-01-04
Filing date: 2021-01-04
Publication date: 2021-10-29
Anticipated expiration: 2031-01-04
Also published as: EP4273474A1; EP4273474A4; WO2022143974A1

Abstract

The utility model provides an ice making subassembly and have this ice making subassembly's refrigerator, the ice making subassembly includes: the ice mold is provided with a plurality of ice grids for containing ice making water; the refrigerant pipe extends from one end of the ice mold to the other end and is positioned at the bottom of the ice mold; a heating wire fixed to the bottom of the ice mold and spaced apart from the refrigerant pipe; the water discharging disc is connected below the ice mold, and an air flow cavity which is communicated from one end of the ice mold to the other end of the ice mold is formed between the water discharging disc and the bottom of the ice mold; the heat dissipation piece comprises a joint part connected with the refrigerant pipe and fins extending downwards from the joint part, the joint part is in direct contact with the refrigerant pipe along the extending direction of the refrigerant pipe, the fins comprise a plurality of pieces arranged at intervals, and each fin extends from one end of the ice mold to the other end and extends downwards into the airflow cavity.

Description

Ice making assembly and refrigerator

Technical Field

The utility model relates to a refrigeration appliance field especially relates to an ice making subassembly and refrigerator.

Background

The ice maker is generally provided in a freezing chamber of the refrigerator to make ice by means of cold air of the freezing chamber. For refrigerators with a refrigerating chamber and a freezing chamber distributed up and down, a user needs to bend down to open a door body of the freezing chamber when taking ice. In order to facilitate the user to take ice, some existing refrigerators have an independent ice making chamber in a refrigerating chamber or a door body of the refrigerating chamber, an ice maker is disposed in the ice making chamber, a dispenser associated with the ice maker is disposed at the outer side of the door body, and cold air in a freezing chamber or an evaporator chamber is introduced into the ice making chamber through an air duct to supply cold to the ice maker. This type of ice making is also referred to as air-cooled ice making.

However, the air cooling ice making has low ice making efficiency and the air duct occupies a large space, which occupies a storage space of the refrigerator itself. Therefore, a mode of making ice by directly contacting a refrigeration pipeline with an ice maker is provided, which is called direct-cooling ice making, and the direct-cooling ice making has the advantages of fast ice making, small occupied space and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compact structure and be convenient for ice-making subassembly of cold volume transmission.

Another object of the present invention is to provide a refrigerator having an ice making assembly which is compact in structure and facilitates the transfer of cooling energy.

In order to realize one of the above objects of the present invention, an embodiment of the present invention provides an ice making assembly, including:

the ice mold is provided with a plurality of ice grids for containing ice making water;

the refrigerant pipe extends from one end of the ice mold to the other end and is positioned at the bottom of the ice mold;

a heating wire fixed to the bottom of the ice mold and spaced apart from the refrigerant pipe;

the water discharging disc is connected below the ice mold, and an air flow cavity which is communicated from one end of the ice mold to the other end of the ice mold is formed between the water discharging disc and the bottom of the ice mold;

the heat dissipation piece comprises a joint part connected with the refrigerant pipe and fins extending downwards from the joint part, the joint part is in direct contact with the refrigerant pipe along the extending direction of the refrigerant pipe, the fins comprise a plurality of pieces arranged at intervals, and each fin extends from one end of the ice mold to the other end and extends downwards into the airflow cavity.

As a further improvement of an embodiment of the present invention, the refrigerant tube is provided in a U shape at the bottom of the ice mold, the fins include a first fin and a second fin corresponding to two straight edge positions of the U shape, and a third fin located between the first fin and the second fin, a position of the joint portion corresponding to the third fin and the ice mold are in direct contact.

As a further improvement of an embodiment of the present invention, a plurality of drain holes are provided at intervals on the joint portion, the plurality of drain holes are symmetrically provided with respect to the third fin, and a part of the refrigerant pipe is exposed from the plurality of drain holes.

As a further improvement of an embodiment of the present invention, the present invention further includes a driving mechanism connected to one end of the ice mold, the water discharge tray is arranged to be downwardly inclined along a direction from one end of the ice mold to the other end thereof, and the height of the downward extension of the plurality of fins is matched with the inclination direction of the water discharge tray along the downward inclination from the front to the rear.

As a further improvement of an embodiment of the present invention, the water outlet is formed at one end of the water discharge tray, at least two support ribs protruding upward are provided on the water discharge tray, and the support ribs are in thermal contact with the heating wire and fix a part of the heating wire to the ice mold.

As a further improvement of an embodiment of the present invention, the present invention further includes a fixed connection to the bottom cover of the ice mold, the bottom cover includes a bottom wall and a first side wall and a second side wall extending upward respectively around the bottom wall, the drain pan is fixed between the first side wall and the second side wall, the bottom cover is provided with a protruding edge protruding upward along the direction from one end of the ice mold to the other end, and the drain pan is clamped between the two protruding edges.

As a further improvement of an embodiment of the present invention, the ice mold further includes a housing fixed to the ice mold, the housing has a first edge and a second edge corresponding to the first side wall and the second side wall, respectively, and one end of the bottom cover is connected to one end of the first edge and the second edge; the at least two support ribs comprise two first support ribs close to the other end of the bottom cover, and the two first support ribs are connected to the first edge and the second edge respectively.

As an embodiment of the utility model provides a further improvement, the end cover with first edge passes through the screw and is connected, end cover and second border joint, two first supporting rib one sides that carry on the back mutually stretch out the pillar respectively, first border and second border extend respectively and collude the portion, the pillar can stretch into colluding the portion and collude portion internal rotation and removal.

As an embodiment of the present invention, the housing further includes a back plate extending upward from the back side of the ice mold, the ice making assembly is installed inside the refrigerator through a mounting structure on the back plate, the end plate extending upward is formed at one end of the housing, an water injection groove is provided at the outside of the end plate opposite to the ice mold, the water injection groove is communicated with the ice tray, the back plate, the water injection groove, the ice mold and the housing are integrally formed.

As a further improvement of an embodiment of the present invention, the edge of the drainage tray has an edge extending upward, a plurality of barbs are respectively provided on the first side wall and the second side wall, the drainage tray passes through the edge joint in the plurality of barbs with the bottom cover is fixed.

As a further improvement of an embodiment of the present invention, the ice piece is guided to the front end fixed connection of ice mould, the first side wall outside of end cover is equipped with the guide muscle that extends along its lengthwise direction, and the ice piece is guided to extend downwards to the position with guide muscle parallel and level.

In order to achieve one of the above objects of the present invention, an embodiment of the present invention provides a refrigerator, including:

a cabinet defining a refrigerating compartment and a freezing compartment;

the door body is movably connected to the box body and is used for opening and closing the refrigerating chamber;

the ice making chamber is arranged on the door body; a refrigeration system including a compressor and a condenser connected to an outlet side of the compressor;

the ice making chamber is internally provided with the ice making assembly as described in any one of the above embodiments, and the refrigerant pipe is connected to the refrigerating system.

Compared with the prior art, the utility model discloses an among the embodiment, through setting up the radiating piece, can absorb the cold volume of refrigerant pipe and ice mould to carry out the heat exchange with the air in the air current intracavity, make full use of refrigerant pipe's cold volume to need not to set up the gusset in the bottom of ice mould, only need install refrigerant pipe to the ice mould when heat dissipation piece fixed connection in ice mould, holistic structure is compacter, thereby can save the space in the system ice chamber.

Drawings

FIG. 1 is an exploded isometric view of an ice-making assembly according to a preferred embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of the ice-making assembly of FIG. 1;

FIG. 3 is an exploded perspective view of the ice-making assembly of FIG. 1;

FIG. 4 is a schematic perspective view of an ice mold of the ice-making assembly of FIG. 1;

fig. 5 is a schematic view of a refrigerator according to a preferred embodiment of the present invention.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments shown in the drawings. However, these embodiments are not intended to limit the present invention, and structural, methodical, or functional changes that may be made by one of ordinary skill in the art based on these embodiments are all included in the scope of the present invention.

It will be understood that terms such as "upper," "lower," "outer," "inner," and the like, used herein to denote relative spatial positions, are used for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.

Referring to fig. 1 to 5, a preferred embodiment of the present invention provides an ice making assembly 100, including an ice mold 10, and a refrigerant pipe 20 and a heating wire 30 located at the bottom of the ice mold 10, where the ice mold 10 has a plurality of ice compartments for containing ice making water, the refrigerant pipe 20 extends from one end of the ice mold 10 to the other end, and the heating wire 30 is spaced from the refrigerant pipe 20, and preferably, the heating wire 30 can be spaced from the refrigerant pipe 20 along a direction perpendicular to the extending direction of the ice mold 20, that is, the refrigerant pipe 20 and the heating wire 30 are arranged in a staggered manner, and respectively contact different positions at the bottom of the ice mold 20. The refrigerant pipe 20 is used to supply cold to the ice mold 10 to freeze water in the ice tray, and the heating wire 30 is used to supply heat to the ice mold 10 to facilitate the release of ice cubes from the ice mold 10. In this embodiment, the longitudinal extending direction of the ice mold from one end to the other end is taken as the transverse direction, one side of the ice cubes released from the ice mold is taken as the front side, the other opposite side is taken as the rear side, and the vertical direction perpendicular to the transverse direction and the front-rear direction is taken as the vertical direction.

With continued reference to fig. 2 and 3, the ice making assembly 100 further includes a drain pan 45 fixed below the ice mold 10, an end of the drain pan 45 forming a water outlet 451, at least two support ribs 452 protruding upward on the drain pan 45, the support ribs 452 being in heat conductive contact with the heater wire 30 and fixing a portion of the heater wire 30 to the ice mold 10. In the present embodiment, the refrigerant pipe 20 is provided in a U shape at the bottom of the ice mold 10, the heating wire 30 is also configured in a U shape, the refrigerant pipe 20 and the heating wire 30 are arranged in an opposite manner, i.e., the opening of the U shape is opposite, and the heating wire 30 is located outside the U shape of the refrigerant pipe 20. The support ribs 452 are integrally provided with the drain pan 45 and may be formed of a heat conductive material, such as a metal material, preferably an aluminum drain pan, which may simultaneously absorb heat from the heating wire 30 to defrost the drain pan 45. The number of the support ribs 452 is preferably 4, and the 4 support ribs are respectively arranged at intervals along the transverse direction and the front-back direction, so that a space is left between the drain pan 45 and the bottom of the ice mold 10 to form an airflow cavity 44 penetrating from one end of the ice mold 10 to the other end, the airflow can exchange heat with the refrigerant pipe 20 and the ice mold 10 when flowing through the airflow cavity 44, and the formed cold air can supply cold to an ice storage box arranged below the ice making assembly 100 to prevent the stored ice cubes from melting. No matter the refrigerant pipe 20 or the heating wire 30 is in heat exchange in a direct contact mode, the efficiency of cold quantity and heat quantity transmission is higher, and therefore the efficiency of ice making is greatly improved.

The ice making assembly 100 further includes a heat sink 40 for fixing the refrigerant pipe to the ice mold, the heat sink 40 including a joint portion 41 to which the refrigerant pipe 20 is connected and a fin extending downward from the joint portion 41, the joint portion 41 being in direct contact with the refrigerant pipe 20 in a direction in which the refrigerant pipe 20 extends, the fin including a plurality of pieces arranged at intervals, each of the fins extending from one end to the other end of the ice mold 10 and extending downward into the airflow chamber 44. Through setting up the heat dissipation piece 40, can absorb the cold volume of refrigerant pipe 20 and ice mould 10 to carry out the heat exchange with the air in the air current chamber 44, make full use of the cold volume of refrigerant pipe 20, and need not to set up the gusset in the bottom of ice mould 10, only need when installing refrigerant pipe 20 to ice mould 10 to fix heat dissipation piece 40 in connection with ice mould 10, the holistic structure is compacter, thereby can save the space in the ice making room.

In the present embodiment, it is preferable that the fins include a first fin 421 and a second fin 422 corresponding to positions of both straight sides of the U shape of the refrigerant tube 20, and a third fin 423 located between the first fin 421 and the second fin 422, and the engaging portion 41 is in direct contact with the ice mold 10 at a position corresponding to the third fin 423. Therefore, more cold energy can be transmitted to the fins during refrigeration, and the utilization rate of the cold energy is improved; when heating for deicing, heat can be absorbed from the ice mold 10 for defrosting. The joint part 41 is provided with a plurality of drain holes 411 at intervals, the plurality of drain holes 411 are symmetrically arranged relative to the third fin 423, and a part of the refrigerant pipe 20 is exposed from the plurality of drain holes 411, so that the frost on the refrigerant pipe 20 and the ice mold 10 can be completely drained during heating, and the formation of ice accretion on the contact surface of the refrigerant pipe 20 and the joint part 41 is prevented, and the influence on normal ice making is avoided. The water discharge holes 411 may be uniformly spaced in a direction from one end to the other end of the ice mold 10, and the width of the water discharge holes 10 in the lateral direction is substantially the same as the interval between the two water discharge holes. The heat sink 40 may be mounted on the ice mold 10 by a fixing member such as a screw or a bolt, or may be engaged with the ice mold by a snap, or may be connected in other manners.

Further, the ice making assembly 100 further comprises a bottom cover 50 fixedly connected with the ice mold 10, the bottom cover 50 comprises a bottom wall 51 and a first side wall 52 and a second side wall 53 extending upwards respectively along the front and the back of the bottom wall 51, the drain pan 45 is fixed between the first side wall 52 and the second side wall 53, the bottom cover 50 is provided with convex edges 54 protruding upwards along the direction from one end of the ice mold 10 to the other end, the two ends of the bottom cover are respectively provided with the convex edges 54, the drain pan 45 is clamped between the two convex edges 54, the first side wall 52, the second side wall 53 and the two convex edges 54 realize accurate positioning of the drain pan 45 relative to the bottom cover 50 in two directions, and the position fixing of the drain pan 45 is more reliable. In addition, the edge of the drain pan 45 has an edge 455 extending upward, the first side wall 53 and the second side wall 53 are respectively provided with a plurality of barbs 535, and the drain pan 45 is fastened to the plurality of barbs 535 through the edge 455 and fixed to the bottom cover 50. In addition, a heat insulating plate 55 may be provided between the under cover 50 and the drain pan 45 to insulate heat transfer from the drain pan 45 to the under cover 50 and prevent frost from being formed on the under cover 50.

The ice making assembly 100 further includes a housing 15 fixed to the ice mold 10, the housing 15 having first and

second rims

151 and 152 corresponding to the first and

second sidewalls

52 and 53, respectively, one end of the bottom cover 50 being connected to the first and

second rims

151 and 152; the at least two support ribs 452 include two first support ribs 453 adjacent to the other end of the bottom cover 50, i.e., the end adjacent to the water outlet 451, and the two first support ribs 453 are respectively connected to the first rim 151 and the second rim 152. Specifically, the bottom cover 50 is connected with the first edge 151 through a screw 16, the bottom cover 50 is clamped with the second edge 152, preferably, a hook 1521 is arranged at one end of the second edge 152, a clamping block 531 is arranged at one end of the corresponding second side wall 53, and the clamping block 531 is clamped on the hook 1521 during assembly to clamp the bottom cover 50 with the second edge 152. Struts 4531 respectively extend from the opposite sides of the two first support ribs 453, hook portions 155 respectively extend from the first edge 151 and the second edge 152, and the struts 4531 can extend into the hook portions 155 and rotate and move in the hook portions 155. During assembly, the refrigerant pipe 20 is fixed to the ice mold 10 through the heat dissipation member 40, the bottom cover 50 and the drain pan 45 are assembled in advance, the support 4531 is abutted to the hook portion 155, the bottom cover 50 and the drain pan 45 rotate 4531 around the support and move along the hook portion 155, the bottom cover 50 is clamped with the second edge, and finally the bottom cover 50 and the ice mold 10 are fixed through the screws 16 penetrating through the bottom cover 50 and the first edge 151, so that the ice making assembly 100 can be mounted. In addition, when the ice is removed, the drain pan 45 may be defrosted by the heat of the heater wire 30, and the defrosted water may be directly discharged through the water outlet 451. The refrigerant pipe 20 and the heating wire 30 are simultaneously contacted with the ice mold 10 and the heat-conducting member 40, so that the utilization rate of the cold and heat is higher, the heat transfer is faster, and the ice-making efficiency can be improved. In addition, if the ice mold needs to be cleaned, no matter disassembly or assembly, the ice mold and the bottom cover are connected only by corresponding the positions of the related parts, so that the ice mold is very convenient to install.

With continued reference to fig. 1 to 3, the front end of the ice mold 10 is fixedly connected with the ice guiding member 17, the outer side of the first side wall 51 of the bottom cover 50 is provided with a guiding rib 511 extending along the longitudinal direction thereof, the ice guiding member 17 extends downward to a position flush with the guiding rib 511, so that a user can conveniently know about the installation position when installing the bottom cover 50, in addition, in order to connect the ice guiding member 17, the ice guiding member 17 can be connected to the ice mold 10 first, the ice guiding member 17 can be provided with an avoiding hole 171, and a screw 16 can conveniently pass through to connect the bottom cover 50 and the ice mold 10. The ice making assembly 100 further includes a driving mechanism 60 at one end of the ice mold 10, and the driving mechanism 60 is used for rotating the ice discharger 70 disposed on the ice mold 10 to perform ice removal. The open end of the U-shape of the heater wire 30 faces the driving mechanism 60, facilitating circuit connection. The U-shaped open end of the refrigerant tube 20 faces away from the drive mechanism 60 to facilitate connection to the refrigeration circuit.

The refrigerant pipe 20 and the bottom of the ice mold 10 are frosted, and as the heating wire 30 is started to de-ice, the drain pan 45 also absorbs heat to defrost, and the defrosted water directly falls into the drain pan 15, and for the purpose of accelerating the drainage, the drain pan 45 may be set to be inclined downwards along the direction from one end of the ice mold 10 to the other end of the driving mechanism 60, the inclined angle is about 0.5-2.5 degrees, and the drain pan is inclined downwardly in a direction from front to back, at an angle of between about 3-5 degrees, in order to improve the cold utilization rate of the refrigerant pipe, the height of the downward extension of the plurality of fins may be matched with the inclination direction of the drain pan, that is, the distance of the drain pan at the bottom of each fin is approximately the same in the lateral and front-rear directions, i.e., the bottom of the plurality of fins, is also inclined in line with the drain pan so that the fins have a greater area of contact with the air in the airflow chamber 44. The water outlet 451 is provided at an end of the drain pan away from the driving mechanism 60, and is located at a rear end of the drain pan 45, i.e., the lowest portion of the drain pan 45, so that the defrosting water can be sufficiently discharged. Furthermore, a water retaining edge 456 is provided at the end of the drain pan 45 remote from the drive mechanism 60 to prevent the over flow of the defrosting water.

The housing 15 and the ice mold 10 are integrally formed to simplify the assembly of the ice making assembly 100 as a whole. The housing 15 has a front end and an opposite rear end, the rear end of the housing 15 is integrally formed with a back plate 157 extending upward, the back plate 157 is provided with a mounting structure for mounting the ice making assembly 100 inside the refrigerator, and the driving mechanism 60 can be mounted on the housing 15, so that the housing 15 is only required to be fixedly connected to the refrigerator, and the assembly is more convenient. In addition, an end plate 158 extending upwards is formed at one end of the casing 15 far away from the driving mechanism 60, a water injection groove 18 is formed in the outer side of the end plate 158 opposite to the ice mold 10, a water injection port communicated with the inner cavity of the ice mold 10 is formed in a position, close to the ice mold 10, of the water injection groove 18, namely, the water injection groove 18 is communicated with the ice grid, and the water injection groove 18 and the ice mold 10 are also integrally formed, so that the water leakage problem in the water injection process is avoided.

In the ice making assembly of the above embodiment, no tool is needed when the refrigerant pipe 20 and the ice mold 10 are installed and separated, the heat sink 40 only needs to be rotated to the position combined with the refrigerant pipe 20 when the ice making assembly is installed, and the refrigerant pipe 20 is fixed relative to the ice mold 10, so that the installation is very convenient and the cost is lower.

Referring to fig. 5, the utility model provides a refrigerator in embodiment, including box 910, swing joint is in the door body 920 and the refrigerating system of box, box 910 is limited to the refrigeration room, still be equipped with the fan that is used for introducing cold wind into the refrigeration room in the box, the refrigeration room includes walk-in 91 and freezer 92, walk-in 91 and freezer 92 top-down set up, door body 920 is used for opening and closing walk-in 91, walk-in 91 or door body 920 are provided with the ice-making room, be equipped with ice-making subassembly 100 in the ice-making room (not shown), the below of ice-making subassembly sets up ice storage box 200, be equipped with the distributor (not shown) that can select the intercommunication ice-making room on the door body 920, the ice-cube that makes through ice-making subassembly 100 falls into ice storage box 200 and stores, and can discharge from the distributor. In this embodiment, the ice making chamber is preferably disposed on the door 920 of the refrigerating chamber, and the refrigerating chamber includes a freezing chamber and a refrigerating chamber, or may include more chambers, such as a temperature changing chamber.

The refrigeration system includes a compressor 913 and a condenser connected to an outlet side of the compressor 913, the refrigerant pipe 20 of the ice-making assembly 100 is connected to the refrigeration system, the compressor 913 is disposed at a bottom of the cabinet 910, an evaporator 912 for cooling the freezing chamber 92 and the refrigerating chamber 91 is disposed at a rear portion of the freezing chamber, and the evaporator 912 may be connected in series or in parallel with the refrigerant pipe 20 for making and cooling ice and both sides of the compressor and the condenser. Since the ice making assembly 100 itself is more conveniently installed, the assembly of the entire refrigerator is also more convenient, thereby reducing the manufacturing cost of the refrigerator.

It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.

The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.

Claims

1. An ice making assembly comprising:

the refrigerator is characterized by further comprising a heat dissipation piece used for fixing the refrigerant pipe to the ice mold, wherein the heat dissipation piece comprises a joint part connected with the refrigerant pipe and a fin extending downwards from the joint part, the joint part is in direct contact with the refrigerant pipe along the extending direction of the refrigerant pipe, the fin comprises a plurality of fins arranged at intervals, and each fin extends from one end of the ice mold to the other end and extends downwards into the airflow cavity.

2. An icemaker assembly according to claim 1, wherein said refrigerant tube is U-shaped at the bottom of said ice mold, said fins including a first fin and a second fin corresponding to positions of both straight sides of the U-shape, and a third fin located between the first fin and the second fin, said engaging portion corresponding to a position of the third fin in direct contact with said ice mold.

3. An icemaker assembly according to claim 2, wherein a plurality of drain holes are provided at intervals on said engaging portion, the plurality of drain holes are symmetrically provided with respect to said third fin, and a portion of said refrigerant pipe is exposed from said plurality of drain holes.

4. An icemaker assembly according to claim 3 further comprising a drive mechanism coupled to one end of the ice mold, wherein said drain pan is configured to be inclined downwardly in a direction from one end of the ice mold to the other end of the ice mold and downwardly in a direction from front to back, and wherein the plurality of fins extend downwardly to a height that matches the direction of inclination of said drain pan.

5. An icemaker assembly according to claim 1, wherein a water outlet is formed at one end of said drain pan, and at least two upwardly protruding support ribs are provided on said drain pan, said support ribs being in thermal contact with said heater wire and fixing a portion of said heater wire to said ice mold.

6. An icemaker assembly according to claim 5 further comprising a bottom cover fixedly attached to said ice mold, said bottom cover including a bottom wall and first and second side walls extending upwardly along the front and rear of said bottom wall, said drain pan being secured between said first and second side walls, said bottom cover having upwardly projecting ledges at both ends thereof in a direction from one end of said ice mold to the other, said drain pan being captured between said ledges.

7. An icemaker assembly according to claim 6 further comprising a housing secured to said ice mold, said housing having first and second edges corresponding to said first and second side walls, respectively, one end of said bottom cover being attached to one end of said first edge and said second edge; the at least two support ribs comprise two first support ribs close to the other end of the bottom cover, and the two first support ribs are connected to the first edge and the second edge respectively.

8. An icemaker assembly according to claim 7, wherein the bottom cover is connected to the first edge by a screw, the bottom cover is engaged with the second edge, a support post extends from each of the opposite sides of the two first support ribs, and a hook extends from each of the first and second edges, and the support post is capable of extending into the hook and rotating and moving in the hook.

9. An icemaker assembly according to claim 7 wherein said housing further includes a back plate extending upwardly from a rear side of the ice mold, said icemaker assembly being mounted inside the refrigerator by mounting structure on the back plate, one end of said housing forming an upwardly extending end plate, said end plate having a water pouring groove disposed on an outer side thereof with respect to the ice mold, said water pouring groove communicating with said ice grid, said back plate, said water pouring groove, said ice mold and said housing being integrally formed.

10. An icemaker assembly according to claim 6, wherein an edge of said drain pan has an edge extending upward, said first and second side walls are respectively provided with a plurality of barbs, and said drain pan is fixed to said bottom cover by being caught at said plurality of barbs by the edge.

11. An icemaker assembly according to claim 6 wherein said ice mold is fixedly attached at a front end thereof to an ice guide, and wherein said bottom cover is provided at an outer side of said first side wall with guide ribs extending lengthwise thereof, said ice guide extending downwardly to a position flush with said guide ribs.

12. A refrigerator, comprising:

a cabinet defining a refrigerating compartment and a freezing compartment;

wherein the ice making chamber is provided with the ice making assembly as claimed in any one of claims 1 to 11, and the refrigerant pipe is connected to the refrigeration system.