CN114719516A

CN114719516A - Refrigerator door body and manufacturing method thereof and refrigerator

Info

Publication number: CN114719516A
Application number: CN202110002310.7A
Authority: CN
Inventors: 牟国梁; 张延庆; 阳军; 赵振雨; 宋向鹏; 张方友
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: 2022-07-08
Anticipated expiration: 2041-01-04
Also published as: AU2021413684A9; EP4273482A1; WO2022143909A1; AU2021413684B2; CN114719516B; AU2021413684A1; EP4273482A4

Abstract

The invention provides a refrigerator door, a manufacturing method of the refrigerator door and a refrigerator, wherein the refrigerator door comprises: a door housing; the door liner is combined to the back surface of the door shell, the door liner is limited with an ice making chamber for accommodating the ice making assembly, a heat insulation layer is filled between the door liner and the door shell, and the door liner is provided with an opening communicated with the ice making chamber; the door upper beam is arranged on the tops of the door shell and the door liner; the bracket is arranged below the upper door beam and is used for connecting the ice making assembly, one part of the bracket is attached to the position, corresponding to the periphery of the opening, on the door liner, and the other part of the bracket is exposed out of the ice making chamber from the opening; the refrigerant pipe extends into the ice making chamber from one side of the door liner close to the hinge of the door body, the refrigerant pipe comprises a fixed section close to the pivoting side of the door body and a direct cooling section in contact with the ice making assembly, and the fixed section is supported on the bracket; a fixing member mounted on the bracket, the fixing segment being defined between the fixing member and the bracket.

Description

Refrigerator door body and manufacturing method thereof and refrigerator

Technical Field

The invention relates to the field of refrigeration appliances, in particular to a refrigerator door body, a manufacturing method thereof and a refrigerator with the refrigerator door body.

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 disposed in a refrigerating chamber or a door body of the refrigerating chamber, an ice maker disposed in the ice making chamber, and a dispenser disposed outside the door body and associated with the ice maker.

However, the independent ice making chamber is arranged on the door body of the refrigerating chamber, cold air needs to be introduced into the ice making chamber of the door body from the refrigerator body to realize ice making and cold supplying, cold air is easy to leak due to the fact that the door body needs to be opened and closed frequently, energy consumption of the refrigerator is increased, and tainting of odor is easy to cause due to the fact that the cold air is introduced from the refrigerator body. Therefore, refrigerators that make ice by directly contacting a refrigerant pipe with an ice maker have appeared, and such refrigerators generally require that the refrigerant pipe is pre-installed in a door body and then foaming of the door body is performed, and if any difference is generated in the installation of the refrigerant pipe, the refrigerant pipe is deviated after subsequent foaming or cannot be installed in alignment with the ice maker, so that the whole door body is scrapped, and therefore, further improvement on the prior art is required.

Disclosure of Invention

The invention aims to provide a method for manufacturing a refrigerator door body with reliable assembly.

Another object of the present invention is to provide a refrigerator door that is reliable in assembly.

Still another object of the present invention is to provide a refrigerator having a refrigerator door that is reliably assembled.

To achieve one of the above objects, an embodiment of the present invention provides a method for manufacturing a refrigerator,

the method comprises the following steps:

providing a door body having a door upper beam, a door shell and a door liner, wherein the door liner is provided with an ice making chamber for accommodating an ice making assembly;

providing a bracket connected with an ice making assembly, assembling a door upper beam and a door shell together, and mounting the bracket on the door upper beam;

a refrigerant pipe for supplying cold to the ice making assembly, wherein the refrigerant pipe extends into the ice making chamber from the pivoting side of the door liner adjacent to the door body, the refrigerant pipe comprises a fixed section adjacent to the pivoting side and a direct cooling section contacted with the ice making assembly, and the fixed section is supported on the bracket;

providing a fixing member fixedly connected with the bracket to restrain the refrigerant pipe between the fixing member and the bracket;

combining a door liner with the back surface of a door shell, wherein an opening communicated with an ice making chamber is formed in the door liner, one part of the bracket is attached to the position, corresponding to the periphery of the opening, on the door liner, the other part of the bracket is exposed out of the opening in the ice making chamber, and a foaming space is defined among the door shell, the door upper beam and the door liner;

foaming is carried out in the foaming space so as to extrude the bracket to be tightly attached to the door liner.

As a further improvement of an embodiment of the present invention, the opening includes a first opening and a second opening that are communicated with each other, the first opening is located at a front portion of the ice making chamber, the second opening is located at a side portion of the ice making chamber that is adjacent to a pivoting side of the door body, the bracket includes a bracket body and a support arm that extends from an end of the bracket body that is adjacent to the pivoting side of the door body, the support arm extends toward a rear portion that is away from the door housing, the refrigerant pipe is supported on the support arm, and then a fixing member is mounted on the bracket body and the support arm to fix the refrigerant pipe, when the door liner is coupled to a rear surface of the door housing, the bracket body closes the first opening, the fixing member and the support arm abut against an edge of the second opening, and then foaming is performed, and after foaming, a part of the fixing member is located in the ice making chamber.

As a further improvement of an embodiment of the present invention, the method further comprises the following steps:

providing a heat exchanger and a liquid storage bag, and carrying out flow path connection on the heat exchanger, a refrigerant pipe and the liquid storage bag, wherein the refrigerant pipe comprises a connecting part connected between the liquid storage bag and the direct cooling section, the connecting part horizontally extends on one side of the bracket back to the ice making chamber after being bent from bottom to top, and then enters the ice making chamber through two bends.

As a further improvement of an embodiment of the present invention, a positioning element is fixedly connected to the fixing section of the refrigerant pipe, a first groove corresponding to the refrigerant pipe is provided on the support arm, and the refrigerant pipe is mounted on the support arm, specifically, the refrigerant pipe is placed in the first groove on the support arm, so that the positioning element is clamped on the support arm, the refrigerant pipe is limited by the positioning element and the support arm to move along the extending direction of the direct cooling section, and then the fixing element is mounted.

As a further improvement of an embodiment of the present invention, the heat exchanger includes a cooling pipe connected between the refrigeration system and the reservoir and a return pipe connected between the refrigerant pipe and the refrigeration system, the cooling pipe and the return pipe are in contact with each other and form a plurality of bends on the door body, the heat exchanger is fixed on a flat foam, the flat foam is fixed on a vacuum insulation panel, the vacuum insulation panel is fixed on the back of the door housing, and then the door liner is coupled to the back of the door housing.

As a further improvement of an embodiment of the present invention, two connecting sleeves extend downwards from the door upper beam, two connecting pillars extend upwards from the corresponding supports, the circumferential walls of the connecting sleeves are provided with clamping grooves, the pillars are provided with clamping blocks, and the mounting of the supports on the door upper beam is specifically implemented by inserting the two connecting pillars into the corresponding connecting sleeves until the clamping blocks are clamped into the clamping grooves.

As a further improvement of an embodiment of the present invention, a second groove for accommodating the refrigerant tube is formed in the fixing member, the front end and the rear end of the fixing member are respectively provided with a hook or a slot, the corresponding support body and the support arm are respectively provided with a fastening portion matched with the hook or the slot, the fixing member extends downward to form two limiting plates, the two limiting plates are arranged at intervals along the extending direction of the direct cooling section, the upper portion of the support arm is stepped, the fixing member is fixedly connected to the support such that the second groove corresponds to the fixing section, the fixing member is pressed downward to connect the hooks or the slots at the front end and the rear end of the fixing member with the corresponding fastening portions, and the two limiting plates are respectively fastened at two ends of the upper step of the support arm.

The invention also provides a refrigerator door body, comprising:

a door housing;

the door liner is combined to the back surface of the door shell, the door liner is limited with an ice making chamber for accommodating the ice making assembly, an insulating layer is filled between the door liner and the door shell, and an opening communicated with the ice making chamber is arranged on the door liner;

the door upper beam is arranged on the tops of the door shell and the door liner;

the bracket is arranged below the door upper beam and is used for connecting the ice making assembly, one part of the bracket is attached to the position, corresponding to the periphery of the opening, on the door liner, and the other part of the bracket is exposed out of the opening in the ice making chamber;

the refrigerant pipe extends into the ice making chamber from one side of the door liner close to the hinge of the door body, the refrigerant pipe comprises a fixed section close to the pivoting side of the door body and a direct cooling section in contact with the ice making assembly, and the fixed section is supported on the bracket;

a fixing member mounted on the bracket, the fixing segment being defined between the fixing member and the bracket.

As a further improvement of an embodiment of the present invention, the opening includes a first opening and a second opening that are communicated with each other, the first opening is located at a front portion of the ice making chamber, the second opening is located at a side portion of the ice making chamber adjacent to the pivoting side of the door body, the bracket includes a bracket body and a support arm extending from an end of the bracket body adjacent to the pivoting side of the door body, the support arm extends toward a rear portion away from the door housing, the fixing section is supported on the support arm, the fixing member is mounted to the bracket body and the support arm, the bracket body closes the first opening, the fixing member and the support arm abut against an edge of the second opening, and a portion of the fixing member is located in the ice making chamber.

As a further improvement of an embodiment of the present invention, the door further includes a heat exchanger and a reservoir connected to the refrigerant pipe, the refrigerant sequentially passes through the heat exchanger, the reservoir and the refrigerant pipe, and then returns to the heat exchanger from the refrigerant pipe, and the heat exchanger and the reservoir are disposed between the door liner and the door housing.

As a further improvement of an embodiment of the present invention, the refrigerant pipe further includes a connecting portion connected between the liquid storage pack and the fixing section, and the connecting portion horizontally extends on a side of the bracket facing away from the ice making chamber after being bent from bottom to top, and enters the ice making chamber through two bends.

As a further improvement of an embodiment of the present invention, a positioning member is fixedly connected to the refrigerant pipe, the positioning member is connected to the supporting arm, and the supporting arm restricts the refrigerant pipe from moving along an extending direction of the direct cooling section through the positioning member.

As a further improvement of an embodiment of the present invention, the heat exchanger includes a cooling pipe connected between the refrigeration system and the liquid storage bag, and a gas return pipe connected between the refrigerant pipe and the refrigeration system, the cooling pipe and the gas return pipe are in contact with each other and form a plurality of bends on the door body, and the diameter of the cooling pipe is larger than that of the gas return pipe.

As a further improvement of an embodiment of the present invention, an insulating layer is provided between the door housing and the door lining, the door lining includes an inner door lining forming the ice making chamber, a slab foam is provided between the insulating layer and the heat exchanger, the heat exchanger is supported on the slab foam, and the slab foam is provided between the insulating layer and the inner door lining.

As a further improvement of an embodiment of the present invention, at least two connecting sleeves extend downwards from the door upper beam, at least two connecting pillars extend upwards from the corresponding bracket, a clamping groove is arranged on the circumferential wall of each connecting sleeve, a clamping block is arranged on each pillar, the connecting pillar is inserted into the corresponding sleeve, and the clamping block is clamped in the clamping groove.

As a further improvement of an embodiment of the present invention, a first groove corresponding to the fixing section is provided on the support arm, a second groove corresponding to the fixing section is provided on the fixing member, hooks or slots are respectively provided at the front and rear ends of the fixing member, clamping portions matched with the hooks or slots are respectively provided on the corresponding support body and the support arm, the fixing member extends downward to form two limiting plates, the two limiting plates are arranged at intervals along the extending direction of the direct cooling section, a step shape is formed above the support arm, the fixing section is defined in the first groove and the second groove, the hooks or slots at the front and rear ends of the fixing member are connected with the corresponding clamping portions, and the two limiting plates are respectively clamped at the two ends of the upper step of the support arm.

The present invention also provides a refrigerator, including:

a cabinet defining a refrigeration compartment;

the refrigerating system is used for providing cold energy for the refrigerating chamber;

the door body is pivotally connected to the refrigerator body through a hinge and used for opening and closing the refrigeration compartment, wherein the door body is the door body in any one of the above embodiments, and the refrigerant pipe penetrates through the hinge through a pipeline of the refrigeration system and is connected with the refrigeration system.

Compared with the prior art, in the embodiment of the invention, the door body is convenient to foam after the refrigerant pipe is fixed in advance by arranging the bracket and the fixing piece on the door body, so that the refrigerant pipe is prevented from shifting in the foaming process, and the door body is more reliable to manufacture.

Drawings

Fig. 1 is a schematic view of a refrigerator according to a preferred embodiment of the present invention;

FIG. 2 is a schematic perspective view of a door of the refrigerator of FIG. 1;

FIG. 3 is an exploded perspective view of the door of the refrigerator of FIG. 2;

FIG. 4 is a schematic cross-sectional view taken along line A-A of FIG. 2;

FIG. 5 is a perspective view of the door upper bracket, the fixing member and the refrigerant pipe of FIG. 2 assembled together;

FIG. 6 is a perspective view of the door body of FIG. 2 from another perspective with the bracket, the fastener and the refrigerant tube assembled together;

FIG. 7 is an exploded perspective view of FIG. 5;

FIG. 8 is an enlarged schematic view of the circled portion of FIG. 7;

FIG. 9 is a perspective view of the anchor of FIG. 5;

fig. 10 is a schematic plan view of the door body of the refrigerator in fig. 2 with the door liner hidden.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to these embodiments are 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, a preferred embodiment of the present invention provides a refrigerator, which includes a refrigerator body 20, a door body 10 movably connected to the refrigerator body 20, and a refrigeration system, wherein the refrigerator body 20 defines a refrigeration compartment, the door body 10 is used for opening and closing the refrigeration compartment, the refrigeration system is used for providing cold energy to the refrigeration compartment, a fan 220 for introducing cold air generated by the refrigeration system into the refrigeration compartment is further disposed in the refrigerator body 20, the refrigeration compartment includes a refrigerating compartment 21 and a freezing compartment 22, and may include more compartments, such as a temperature changing compartment. The refrigerating chamber 21 and the freezing chamber 22 are provided from top to bottom, and in the present embodiment, the door 10 is used to open and close the refrigerating chamber 21.

The door 10 is provided with an ice making chamber 13, the ice making assembly 100 is accommodated in the ice making chamber 13, an ice bank 200 located below the ice making assembly 100 is also accommodated in the ice making chamber 13, and when the door 10 is closed, the ice making chamber 13 is insulated from the refrigerating chamber 21. One or two door bodies can be arranged for opening and closing the refrigerating chamber, and if the two door bodies are arranged, the ice making chamber is arranged on one door body. In this embodiment, the front and rear direction of the refrigerator takes the side where the door 10 is disposed as the front and the side where the refrigerator body 20 is disposed as the rear; the vertical direction is the left-right direction.

Wherein the refrigeration system includes a compressor 913 and a condenser connected to an outlet side of the compressor 913, the refrigeration system also serves to supply cold to the ice-making assembly 100, the compressor 913 is disposed at the bottom of the case 20, and an evaporator 912 for supplying cold to the freezing chamber 22 and the refrigerating chamber 21 is disposed at the rear of the freezing chamber 22. In the present embodiment, the ice-making assembly 100 makes ice by directly contacting the refrigerant pipe, and the evaporator 912 may be connected in series or in parallel to both sides of the compressor 913 and the condenser, and the refrigerant pipe for cooling ice making.

Referring to fig. 2 to 9, the door body 10 includes a door housing 11 and a door liner 12 coupled to the door housing 11, the door liner 12 at least partially extending into the refrigerating compartment when the door body is closed, the door liner 12 defining an ice making compartment 13, the ice making compartment 13 being thermally insulated from the refrigerating compartment when the door body is closed. The door body 10 further includes a door upper beam 14 mounted on top of the door shell 11 and the door liner 12, a foaming space is defined between the door shell 11, the door upper beam 14 and the door liner 12, and the foaming space is filled with a heat insulating layer to ensure heat insulation between the ice making chamber 13 on the door body 10 and the external environment and heat insulation between the refrigeration compartment and the external environment.

The door body 10 further includes a bracket 15 connected to the ice making assembly 100, the bracket 15 is fixedly connected to the door upper beam 14, wherein the door upper beam 14 extends two connecting sleeves 141 downward, two connecting support columns 151 extend upward from the corresponding bracket 15, a clamping groove 142 is formed in the peripheral wall of the connecting sleeve 141, a clamping block 152 is formed on the support column 151, the two connecting support columns 151 are inserted into the corresponding connecting sleeves 141, and the clamping block 152 is clamped into the clamping groove 142, so that the mounting of the bracket 15 is realized. In addition, at least two notch grooves 143 are formed in the connecting sleeve 141 at intervals along the circumferential direction, and the notch grooves are communicated with the lower end opening of the connecting sleeve 141, so that the connecting sleeve 141 can be elastically deformed when receiving the insertion of the connecting support 151, and the mounting bracket 15 is more labor-saving. The bracket 15 extends from one side of the door body to the other side along the left-right direction, and the bracket 15 can also be connected with a circuit structure and a waterway structure for the ice-making assembly. The door liner 12 is provided with an opening 123 communicated with the ice making chamber 13, the opening 123 is approximately at a position corresponding to the bracket 15, one part of the bracket 15 is attached to the door liner 12 at a position corresponding to the periphery of the opening 123, the other part of the bracket 15 is exposed from the opening 123 in the ice making chamber 13, the foaming of the door body 10 is completed, and the part of the bracket 15 attached to the door liner 12 is tightly attached to the door liner 12.

Wherein, the door body 10 is pivotally connected to the cabinet 20, and a refrigerant pipe 30 for cooling the ice making assembly 100 extends into the ice making chamber 13 from the door liner 12 near the pivoting side of the door body 10, wherein the refrigerant pipe 30 comprises a fixed section 31 near the pivoting side of the door body 10 and a direct cooling section 32 in contact with the ice making assembly 100, and the fixed section 31 is supported on the bracket 15. Specifically, the bracket 15 includes a bracket body 153 and a supporting arm 154 extending from the bracket body 153 near the pivoting side of the door 10, the supporting arm 154 extends to the rear part far away from the door shell 11, a first groove 1541 for accommodating the refrigerant tube 30 is provided on the supporting arm 154, wherein the direct cooling section is configured as a U shape, and two first grooves 1541 are provided on the corresponding supporting arm 154 for accommodating two ends of the fixing section 31 corresponding to the U shape, respectively. The fixing member 40 is connected to the bracket 15, the fixing member 40 is provided with a second groove 441 for accommodating the refrigerant tube, similarly, two second grooves 441 are provided, which correspond to the position of the first groove 1541, the connection between the fixing member 40 and the bracket 15 realizes that the fixing section 31 of the refrigerant tube 30 is limited in the space enclosed by the first groove 1541 and the second groove 441, the shapes of the first groove 1541 and the second groove 441 are matched with the shape of the refrigerant tube 30, so that the fixing section 31 of the refrigerant tube 30 is fixed between the supporting arm 154 and the fixing member 40, and the freedom degrees in the up-down direction and the front-back direction are limited by the supporting arm 154 and the fixing member 40.

In order to realize reliable installation of the fixing member 40 on the bracket 15, the front end and the rear end of the fixing member 40 are respectively provided with a hook or a

slot

411 and 412, the corresponding bracket body 153 and the support arm 154 are respectively provided with a clamping portion 1531 and a clamping portion 1542 matched with the hook or the slot 411 and the slot 412, and the fixing member 40 is fixed relative to the bracket 15 through connection of the hook or the slot and the corresponding clamping portion. To further ensure the connection reliability, the fixing member 40 extends downward to form two

limit plates

442 and 443, the two

limit plates

442 and 443 are spaced apart from each other along the extending direction of the direct cooling section 32, the supporting arm 154 is stepped, and the two

limit plates

442 and 443 are respectively clamped at two ends of the upper step 155 of the supporting arm 154, so that the fixing member 40 is more reliably fixed to the rack 15. Specifically, the two opposite side walls of the two limiting

plates

442 and 443 are provided with hooks 445, the two ends of the upper step 155 of the corresponding supporting arm 154 are provided with slots, and the fixing member 40 is fixed relative to the bracket 15 along the extending direction of the direct cooling section 32 by the cooperation of the hooks 445 on the limiting

plates

442 and 443 and the slots of the upper step 155. The fixing member 40 is engaged with the bracket 15 in two directions, so that the refrigerant pipe 30 can be conveniently installed, and the fixing section 31 of the refrigerant pipe 30 can be reliably fixed.

In addition, the second recessed groove 441 and the stopper plates 442 and 443 of the fixing member 40 may be spaced apart from each other in the front-rear direction, the upper plate portion 43 is formed above the second recessed groove 441 and the stopper plates 442 and 443, the side plate portion 45 is formed on the side of the fixing member 40 facing the direct cooling section 32, the side plate portion 45 connects the upper plate portion 43 and the second recessed groove 441 and the stopper plates 442 and 443 in the up-down direction, the front end plate 41 and the rear end plate 42 are formed at the front and rear ends of the fixing member 40, the hooks or the engaging grooves 411 and 412 at the front and rear ends of the fixing member 40 are respectively formed on the front end plate 41 and the rear end plate 42, the width of the lower step portion 156 of the support arm 154 in the extending direction of the direct cooling section 32 is substantially the same as that of the upper plate portion 43, the filling space 46 is formed on the side of the side plate portion 54 and the lower step portion 156 of the support arm 154 away from the direct cooling section 32, and both the upper plate portion 43 and the lower step portion 156 of the support arm 154 abut against the door lining 12 during assembly, when the door body is foamed, the foaming material as the heat insulating layer is filled between the door liner 12 and the door housing 11, and the foaming material is also filled in the filling space 46 of the fixing member 40 and the support arm 154, thereby fixing the fixing member 40 and the support arm 154 to the fixing section 31 of the refrigerant pipe 30 more firmly.

Further, in order to prevent the fixing section 31 of the refrigerant pipe 30 from being mounted in the first groove 1541 and displaced along the extending direction of the direct cooling section 32, the positioning member 33 is fixedly connected to the fixing section 31, the positioning member 33 is fastened to the supporting arm 154 to fix the position of the refrigerant pipe 30 relative to the supporting arm 154, wherein the positioning member 33 is connected between two ends of the U shape corresponding to the direct cooling section, which may be fixed by welding, bonding, etc., preferably, two positioning members 33 are arranged at intervals, and the two positioning members 33 are respectively fastened to the left and right ends of the upper step 155 of the supporting arm 154, so that the supporting arm 154 limits the refrigerant pipe 30 from moving along the extending direction of the direct cooling section 32 through the positioning member 33, thereby fixing the refrigerant pipe 30 more reliably.

Referring to fig. 9, the door 10 is further provided with a heat exchanger 50 and a liquid storage bag 60 connected to the refrigeration system, a pipeline of the refrigeration system passes through a hinge of the door to be connected to the heat exchanger 50, the refrigerant pipe 30 is respectively connected to the heat exchanger 50 and the liquid storage bag 60, refrigerant from the refrigeration system sequentially passes through the heat exchanger 50, the liquid storage bag 60 and the refrigerant pipe 30, returns to the heat exchanger 50 from the refrigerant pipe 30, and then returns to the refrigeration system from the heat exchanger 50, and the heat exchanger 50 and the liquid storage bag 60 are both disposed between the door liner 12 and the door shell 11. The part of refrigerant pipe 30 is located the bottom of ice making subassembly, and evaporation area is less for the very big cold volume of refrigerant is not gone out, and this part cold volume if go out can get into refrigerating system's pipeline and pass the hinge discharge door body, can the condensation frost even when passing the hinge, through set up heat exchanger 50 and stock solution package 60 on door body 10, can fall the cold volume of refrigerant, solves the problem that the hinge condensation was worn to refrigerating system's pipeline. In addition, the door 10 is provided with the liquid storage bag 60 to store the refrigerant, so that more cold energy can be dissipated by the refrigerant.

In this embodiment, the heat exchanger 50 and the liquid storage bag 60 are sequentially arranged from the side close to the pivoting side of the door body 10 to the other side, and the connection between the heat exchanger 50 and the liquid storage bag 60 enables the refrigerant to enter and exit the liquid storage bag 60 along the up-and-down direction, so that the space in the door body 10 is utilized more compactly, and the volume of the door body is not increased. Wherein, heat exchanger 50 is including connecting cooling tube 51 between refrigerating system and stock solution package 60 and connecting the muffler 52 between refrigerant pipe 30 and refrigerating system, and cooling tube 51 and muffler 52 contact each other and form a plurality of bends on the door body 10, and effectual promotion heat transfer effect can evaporate the refrigerant of cooling tube 51 through heat exchange promptly to the refrigerant of condensation muffler 52. By arranging the cooling pipe 51 and the return air pipe 52 on the door body in a winding manner, the length of the return air pipe 52 is increased, and the cooling capacity can be sufficiently dissipated. Wherein, the diameter of the cooling pipe 51 is larger than that of the return air pipe 52, so that the heat exchange efficiency of the heat exchanger can be improved.

Furthermore, the refrigerant pipe 30 further includes a connection portion 35 connected between the liquid storage pack 60 and the direct cooling section 32, and the connection portion 35 extends in a horizontal direction at a side of the bracket 15 facing away from the ice making chamber 13 after being bent from bottom to top, and enters the ice making chamber 13 through two bends from a pivoting side adjacent to the door body, thereby further increasing the length of the refrigerant pipe 30 to dissipate the cooling energy.

Referring to fig. 10, a plurality of bends formed on the door body by the cooling pipe 31 and the air return pipe 32 may be bends after vertically extending along the upper and lower direction, specifically, the cooling pipe 31 and the air return pipe 32 may include 5 to 15 vertical extending sections, preferably 7 to 11 vertical extending sections in this embodiment, which not only ensures that every two vertical extending sections have a preset interval, but also considers the heat exchange effect and the sufficient utilization of the space of the door body. Of course, the plurality of bends formed on the door body by the cooling pipe 31 and the air return pipe 32 can also be formed by extending along the horizontal direction and then bending, the number of the horizontal extending sections can be the same as that of the book incense extending sections, and the effects of increasing the length and improving the heat exchange efficiency can be achieved. In addition, the liquid storage pack 60 may be provided in a cylindrical shape, the axial direction of which is arranged in parallel with the vertical extension of the heat exchanger 50, so as to facilitate assembly in the door body. In addition, in order to prevent noise generated during operation of the liquid storage pack 60, a sound insulation material such as silica gel or foam may be wrapped outside the liquid storage pack 60, thereby reducing noise.

The pipeline of the refrigeration system comprises an inlet pipe 915 from the refrigerator body to the door body and a return pipe 916 from the door body to the refrigerator body, the inlet pipe 915 and the return pipe 916 both penetrate through a hinge between the door body and the refrigerator body, and the part of the inlet pipe 915 and the part of the return pipe 916 which penetrate through the hinge are wrapped by closed-cell foam, so that the inlet pipe 915 and the return pipe 916 cannot be in contact with air, and the problem that the pipeline penetrating through the hinge part is prone to condensation is solved. Furthermore, a protective pipe 16 extending downwards from the hinge is arranged in the door body, the inlet pipe 915 and the return pipe 916 can be wrapped in the protective pipe 16, and in addition, a water pipe for supplying water to the ice making assembly can also be wrapped in the protective pipe 16, so that the door body is convenient to assemble.

In addition, the heat exchanger 50 and the reservoir 60 are preferably disposed on an insulating layer between the door housing 11 and the door liner 12, and in order to facilitate installation of the heat exchanger, a slab foam 17 may be disposed to support the heat exchanger 50 and the reservoir 60, and the slab foam 17 may be attached to the door housing 11 or the door liner 12, wherein the door liner 12 includes an inner door liner 122 forming an ice making chamber and an outer door liner 121 coupled to a rear side of the inner door liner 122, and the slab foam 17 is disposed between the insulating layer and the heat exchanger 50, and the slab foam 17 is disposed between the insulating layer and the inner door liner 122, so that the heat exchanger 50 does not directly contact with the door body, and thus, deformation of the foam door body is not caused. Wherein the heat preservation includes the expanded material layer, and is further, in order to strengthen the heat preservation effect of door body, the heat preservation can also include VIP (vacuum insulation panel) layer 18 that sets up between door shell 11 and door lining 12, and dull and stereotyped bubble cotton 17 pastes on VIP layer 18, and heat exchanger 50 also can not be with VIP layer 18 direct contact to can not lead to the condensation in the door body outside of refrigerator operation in-process.

In the refrigerator in the above embodiment, the bracket 15 and the fixing member 40 are provided at the door body, so that the door body is conveniently foamed after the refrigerant pipe 30 is fixed in advance, and the refrigerant pipe 30 is prevented from being displaced in the foaming process, so that the door body 10 is more reliably manufactured. In addition, the heat exchanger 50 and the liquid storage bag 60 are arranged on the door body 10, so that more cold energy can be emitted, the frosting of a pipeline of a refrigeration system caused by the fact that a refrigerant is not completely evaporated when passing through a hinge of the door body is prevented, and the refrigerator is more reliable to use.

The invention also relates to a manufacturing method of the refrigerator door body in the embodiment, which comprises the following steps:

providing a door body having a door upper beam 14, a door shell 11 and a door liner 12, wherein the door liner 12 is formed with an ice making chamber 13 for accommodating an ice making assembly;

providing a bracket 15 connected with the ice making assembly, assembling the door upper beam 14 and the door housing 11 together, and mounting the bracket 15 on the door upper beam 14;

a refrigerant pipe 30 for supplying cold to the ice making assembly, the refrigerant pipe 30 extending into the ice making chamber 13 from the pivoting side of the door liner 11 adjacent to the door body, the refrigerant pipe 30 including a fixing section 31 adjacent to the pivoting side of the door body and a direct cooling section 32 in contact with the ice making assembly, the fixing section 31 being supported on the bracket 15;

providing a fixing member 40, fixedly connecting the fixing member 40 with the bracket 15 to restrain the refrigerant pipe 30 between the fixing member 40 and the bracket 15;

combining a door liner 12 with the back surface of a door shell 11, wherein an opening 123 communicated with an ice making chamber is formed on the door liner 12, one part of a bracket 15 is attached to the position, corresponding to the periphery of the opening 123, on the door liner 12, the other part of the bracket 15 is exposed out of the opening 123 in the ice making chamber 13, and a foaming space is defined among the door shell 11, a door upper beam 14 and the door liner 12;

foaming is performed in the foaming space to press the bracket 15 to be closely attached to the door liner 12.

In the above manufacturing method, the refrigerant pipe 30 is fixed in advance by the holder 15 and the fixing member 40, and the refrigerant pipe 30 is not displaced when the door body is foamed, so that the door body can be manufactured more reliably.

Specifically, the opening 123 includes a first opening 1231 and a second opening 1232 which are communicated with each other, the first opening is located at the front of the ice making chamber 13, the second opening 1232 is located at the pivoting side of the ice making chamber 13, which is close to the door body, the bracket 15 includes a bracket body 153 and a supporting arm 154 extending from the pivoting side of the bracket body 153, which is close to the door body, the supporting arm 154 extends to the rear part away from the door housing 11, the refrigerant pipe 30 is supported on the supporting arm 154, the fixing element 40 is mounted on the supporting arm 154 to fix the refrigerant pipe 30, when the door liner 12 is combined with the back of the door housing 11, the bracket body 153 closes the first opening 1231, the fixing element 40 and the supporting arm 154 abut against the edge of the second opening 1232, and then foaming is performed, after foaming, a part of the fixing element 40 is located in the ice making chamber 13, so that the fixing element 40 and the bracket 15 can be further tightly fixed.

The manufacturing method further comprises the following steps: providing a heat exchanger 50 and a liquid storage bag 60, performing flow path connection on the heat exchanger 50, a refrigerant pipe 30 and the liquid storage bag 60, wherein the refrigerant pipe 30 comprises a connecting part 35 connected between the liquid storage bag 60 and the direct cooling section 32, horizontally extending on one side of the bracket 15 back to the ice making chamber 13 after bending the connecting part 35 from bottom to top, and then entering the ice making chamber 13 through two bends.

Further, the fixing section 32 of the refrigerant pipe 30 is fixedly connected with a positioning member 33, the supporting arm 154 is provided with a first groove 1541 corresponding to the refrigerant pipe 30, the refrigerant pipe 30 is mounted on the supporting arm 154, specifically, the refrigerant pipe 30 is placed in the first groove 1541 on the supporting arm 154, the positioning member 33 is clamped on the supporting arm 154, the positioning member 33 and the supporting arm 154 limit the refrigerant pipe 30 to move along the extending direction of the direct cooling section 32, and then the fixing member 40 is mounted.

The heat exchanger 50 comprises a cooling pipe 51 connected between the refrigeration system and the liquid storage bag 60 and an air return pipe 52 connected between the refrigerant pipe 30 and the refrigeration system, the cooling pipe 51 and the air return pipe 52 are in contact with each other and form a plurality of bends on the door body, the heat exchanger 50 is fixed on the slab foam 17, the slab foam 17 is fixed on the vacuum insulation panel 18, the vacuum insulation panel 18 is fixed on the back surface of the door shell 11, and then the door liner 12 is combined on the back surface of the door shell 11.

Two connecting sleeves 141 extend downwards from the door upper beam 14, two connecting support columns 151 extend upwards from the corresponding supports 15, the peripheral walls of the connecting sleeves 141 are provided with clamping grooves 142, the support columns 151 are provided with clamping blocks 152, and the mounting of the supports 15 on the door upper beam 14 is realized by inserting the two connecting support columns 151 into the corresponding connecting sleeves 141 until the clamping blocks 152 are clamped into the clamping grooves 142.

The fixing member 40 is provided with a second groove 441 for accommodating the refrigerant tube 30, the front end and the rear end of the fixing member 40 are respectively provided with a hook or a

slot

411 and 412, the corresponding bracket body 153 and the support arm 154 are respectively provided with a hook portion 1531 and a slot portion 1542 matched with the hook or the slot, the fixing member 40 extends downwards to form two

limit plates

442 and 443, the two

limit plates

442 and 443 are arranged at intervals along the extending direction of the direct cooling section 32, the support arm 154 is stepped, the fixing member 40 and the bracket 15 are fixedly connected, specifically, the second groove 441 corresponds to the fixing section 31, the fixing member 40 is pressed downwards so that the hook or the

slot

411 and 412 at the front end and the rear end of the fixing member 40 are connected with the

corresponding hook portions

1531 and 1542, and the two

limit plates

442 and 443 are respectively clamped at two ends of the upper step 155 of the support arm 154.

Through the manufacturing method, the refrigeration pipe can be fixed on the support, then the door body is foamed, the problem that the refrigeration pipeline cannot be accurately assembled is solved, if the refrigeration pipeline is not accurately fixed, the left position and the right position of the refrigeration pipeline deviate, and the ice making assembly is difficult to mount or cannot be mounted after foaming, so that the whole door body can be scrapped. Therefore, according to the manufacturing method, the probability of scrapping the door body after foaming is extremely low, so that the manufacturing cost of the door body is reduced.

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-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.

Claims

1. The manufacturing method of the refrigerator door body is characterized by comprising the following steps:

2. The method of claim 1, wherein the opening includes a first opening and a second opening communicating with each other, the first opening is located at a front portion of the ice making compartment, the second opening is located at a side portion of the ice making compartment adjacent to the pivoting side of the door body, the bracket includes a bracket body and a support arm extending from an end of the bracket body adjacent to the pivoting side of the door body, the support arm extends toward a rear portion away from the door housing, the refrigerant pipe is supported by the support arm, a fixing member is mounted to the bracket body and the support arm to fix the refrigerant pipe, the bracket body closes the first opening when the door liner is coupled to a rear surface of the door housing, the fixing member and the support arm abut against an edge of the second opening and then foam, and a portion of the fixing member is located in the ice making compartment after the foam is foamed.

3. The method of manufacturing of claim 1, further comprising the steps of:

4. The method as claimed in claim 1, wherein a positioning member is fixedly coupled to the fixing section of the refrigerant pipe, a first recess corresponding to the refrigerant pipe is formed in the support arm, the refrigerant pipe is mounted to the support arm, specifically, the refrigerant pipe is placed in the first recess of the support arm, the positioning member is locked to the support arm, the refrigerant pipe is restricted from moving in the extending direction of the direct cooling section by the positioning member and the support arm, and then the fixing member is mounted.

5. The manufacturing method according to claim 1, wherein the heat exchanger includes a cooling pipe connected between the refrigerating system and the reservoir and a return pipe connected between the refrigerant pipe and the refrigerating system, the cooling pipe and the return pipe are in contact with each other and form a plurality of bends on the door body, the heat exchanger is fixed on a slab foam, the slab foam is fixed on the vacuum insulation panel, the vacuum insulation panel is fixed on the back surface of the door housing, and then the door liner is coupled to the back surface of the door housing.

6. The manufacturing method according to claim 1, wherein the door upper beam extends two connecting sleeves downwards, two connecting support columns extend upwards from the corresponding support frame, the peripheral walls of the connecting sleeves are provided with clamping grooves, the support columns are provided with clamping blocks, and the mounting of the support frame on the door upper beam is realized by inserting the two connecting support columns into the corresponding connecting sleeves until the clamping blocks are clamped into the clamping grooves.

7. The manufacturing method according to claim 4, wherein the fixing member has a second groove for receiving the refrigerant tube, the fixing member has hooks or slots at front and rear ends thereof, the corresponding bracket body and the corresponding support arm have engaging portions engaging with the hooks or slots, the fixing member extends downward beyond two limiting plates, the two limiting plates are spaced apart from each other along the extending direction of the direct cooling section, the support arm is stepped upward, the fixing member is fixedly connected to the bracket such that the second groove corresponds to the fixing section, the fixing member is pressed downward to connect the hooks or slots at front and rear ends of the fixing member with the corresponding engaging portions, and the two limiting plates are engaged with two ends of the upper step of the support arm.

8. A refrigerator door body is characterized by comprising:

a door housing;

9. The refrigerator door of claim 8, wherein the opening includes a first opening and a second opening in communication, the first opening is located at a front portion of the ice making compartment, the second opening is located at a side portion of the ice making compartment adjacent to a pivoting side of the door body, the bracket includes a bracket body and a support arm extending from an end of the bracket body adjacent to the pivoting side of the door body, the support arm extends toward a rear portion away from the door housing, the securing section is supported on the support arm, the securing member is mounted to the bracket body and the support arm, the bracket body closes the first opening, the securing member and the support arm abut against an edge of the second opening, and a portion of the securing member is located within the ice making compartment.

10. The refrigerator door according to claim 8, further comprising a heat exchanger and a reservoir connected to the refrigerant tube, wherein the refrigerant passes through the heat exchanger, the reservoir and the refrigerant tube in sequence and then returns to the heat exchanger from the refrigerant tube, and the heat exchanger and the reservoir are disposed between the door liner and the door shell.

11. The refrigerator door according to claim 10, wherein the refrigerant pipe further comprises a connecting portion connected between the reservoir and the fixing section, and the connecting portion horizontally extends at a side of the bracket facing away from the ice making chamber after being bent from bottom to top, and enters the ice making chamber through two bends.

12. The refrigerator door according to claim 9, wherein a positioning member is fixedly connected to the refrigerant pipe, the positioning member is connected to the support arm, and the support arm restricts the refrigerant pipe from moving in the extending direction of the direct cooling section through the positioning member.

13. The refrigerator door according to claim 10, wherein the heat exchanger includes a cooling tube connected between the refrigerating system and the reservoir and a return tube connected between the refrigerant tube and the refrigerating system, the cooling tube and the return tube are in contact with each other and form a plurality of bends on the door, and the diameter of the cooling tube is larger than that of the return tube.

14. The refrigerator door of claim 10, wherein an insulation layer is disposed between the door housing and the door liner, the door liner includes an inner door liner forming the ice making compartment, a slab foam is disposed between the insulation layer and the heat exchanger, the heat exchanger is supported on the slab foam, and the slab foam is disposed between the insulation layer and the inner door liner.

15. The refrigerator door according to claim 8, wherein the door upper beam extends downward to form at least two connecting sleeves, the corresponding bracket extends upward to form at least two connecting support posts, a clamping groove is formed in a peripheral wall of each connecting sleeve, a clamping block is arranged on each support post, the connecting support posts are inserted into the corresponding sleeves, and the clamping blocks are clamped in the clamping grooves.

16. The refrigerator door body according to claim 8, wherein the supporting arm has a first groove corresponding to the fixing section, the fixing member has a second groove corresponding to the fixing section, the fixing member has a hook or a groove at each of the front and rear ends thereof, the corresponding bracket body and the supporting arm have a locking portion engaged with the hook or the groove, the fixing member extends downward to form two limiting plates, the two limiting plates are spaced apart from each other along the extending direction of the direct cooling section, the supporting arm has a stepped upper portion, the fixing section is defined in the first groove and the second groove, the hook or the groove at each of the front and rear ends of the fixing member is connected to the corresponding locking portion, and the two limiting plates are locked at each of the two ends of the upper step of the supporting arm.

17. A refrigerator, characterized by comprising:

a cabinet defining a refrigeration compartment;

the door body is pivotally connected to the refrigerator body through a hinge and used for opening and closing the refrigeration compartment, wherein the door body is the door body according to any one of claims 8 to 16, and the refrigerant pipe penetrates through the hinge through a pipeline of the refrigeration system and is connected with the refrigeration system.