CN114719516B

CN114719516B - Refrigerator door body, manufacturing method thereof and refrigerator

Info

Publication number: CN114719516B
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: 2023-08-25
Anticipated expiration: 2041-01-04
Also published as: AU2021413684A9; EP4273482A1; CN114719516A; WO2022143909A1; AU2021413684B2; AU2021413684A1; EP4273482A4

Abstract

The invention provides a refrigerator door body, a manufacturing method of the refrigerator door body and a refrigerator, wherein the refrigerator door body comprises the following components: a door housing; the door liner is combined to the back of the door shell, the door liner defines 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 formed in the door liner; the door upper beam is arranged at the top of the door shell and the door liner; the bracket is arranged below the upper beam of the door 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 through the opening; a refrigerant pipe extending into the ice making chamber from a side of the door liner adjacent to the hinge of the door body, the refrigerant pipe including a fixed section adjacent to the pivoting side of the door body and a direct cooling section in contact with the ice making assembly, the fixed section being supported on the bracket; a mount mounted on the bracket, the mount section being defined between the mount and the bracket.

Description

Refrigerator door body, 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 disposed at a freezing chamber of the refrigerator to make ice by cool air of the freezing chamber. For refrigerators in which the refrigerating chamber and the freezing chamber are vertically distributed, a user needs to bend down to open a door body of the freezing chamber when taking ice. In order to facilitate a user to take ice, some existing refrigerators are provided with an independent ice making chamber in a refrigerating chamber or a refrigerating chamber door body, an ice maker is arranged in the ice making chamber, and a dispenser associated with the ice maker is arranged at the outer side of the door body.

However, an independent ice making chamber is arranged in the refrigerating chamber door body, so that cold air needs to be introduced into the ice making chamber of the door body from the box body to make ice and cool, and the door body needs to be normally opened and closed, so that the cold air is easy to leak, the energy consumption of the refrigerator is increased, and the odor can be easily mixed due to the introduction of the cold air from the box body. Accordingly, there is a refrigerator in which ice is made by directly contacting a refrigerant pipe with an ice maker, and this type of refrigerator generally requires pre-loading the refrigerant pipe on a door body and then foaming the door body, and if there is any difference in the installation of the refrigerant pipe, the refrigerant pipe is deviated or cannot be installed in alignment with the ice maker after the subsequent foaming, resulting in rejection of the entire door body, and thus, further improvement of the prior art is required.

Disclosure of Invention

An object of the present invention is to provide a method of manufacturing a refrigerator door with reliable assembly.

Another object of the present invention is to provide a refrigerator door that is assembled reliably.

It is still another object of the present invention to provide a refrigerator having a refrigerator door which is reliably assembled.

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

the method comprises the following steps:

providing a door body having a door upper beam, a door housing, and a door liner, wherein the door liner is formed with an ice making chamber 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 installing the bracket on the door upper beam;

a refrigerant tube for providing cooling to the ice making assembly, the refrigerant tube extending from the pivotal side of the door liner adjacent the door body into the ice making chamber, the refrigerant tube including a fixed section adjacent the pivotal side and a direct cooling section in contact with the ice making assembly, the fixed section being supported on the bracket;

providing a fixing member, fixedly connecting the fixing member with the bracket to restrict the refrigerant tube between the fixing member and the bracket;

the door liner is combined with the back surface of the door shell, an opening communicated with the 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, of the door liner, the other part of the bracket is exposed out of the ice making chamber through the opening, 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 press 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 which are communicated, 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 a pivoting side of the door body, the bracket includes a bracket body and a support arm extending from one end of the bracket body adjacent to the pivoting side of the door body, the support arm extends toward a rear portion remote from the door housing, the refrigerant pipe is supported on the support arm, then a fixing member is mounted on 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 foaming is performed, and after foaming, 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 method further comprises the steps of:

the heat exchanger, the refrigerant pipe and the liquid storage bag are connected in a flow path, 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 support, which is opposite 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, the fixing section of the refrigerant tube is fixedly connected with a positioning member, the support arm is provided with a first groove corresponding to the refrigerant tube, the refrigerant tube is mounted on the support arm, specifically, the refrigerant tube is placed in the first groove on the support arm, the positioning member is clamped on the support arm, the refrigerant tube is limited to move along the extending direction of the direct cooling section by the positioning member and the support arm, and then the fixing member is mounted.

As a further improvement of one embodiment of the present invention, the heat exchanger includes a cooling pipe connected between the refrigerating system and the liquid storage bag and an air return pipe connected between the refrigerant pipe and the refrigerating system, the cooling pipe and the air return pipe are in contact with each other and form a plurality of bends on the door body, the heat exchanger is fixed on the flat foam, the flat foam is fixed on the vacuum insulation panel, the vacuum insulation panel is fixed on the back surface of the door shell, and then the door liner is bonded on the back surface of the door shell.

As a further improvement of an embodiment of the invention, the upper beam of the door extends downwards to form two connecting sleeves, two connecting struts extend upwards from corresponding supports, clamping grooves are formed in the peripheral walls of the connecting sleeves, clamping blocks are arranged on the struts, and the support is arranged on the door Liang Juti, so that the two connecting struts are inserted into the corresponding connecting sleeves until the clamping blocks are clamped into the clamping grooves.

As a further improvement of an embodiment of the invention, the fixing piece is provided with a second groove for accommodating the refrigerant pipe, the front end and the rear end of the fixing piece are respectively provided with a clamping hook or a clamping groove, the corresponding support body and the corresponding support arm are respectively provided with clamping parts matched with the clamping hook or the clamping groove, the fixing piece downwards extends out of the two limiting plates, the two limiting plates are arranged at intervals along the extending direction of the direct cooling section, the support arm is formed into a step shape, the fixing piece is fixedly connected with the support, the second groove corresponds to the fixing section, the fixing piece is pressed down so that the clamping hook or the clamping groove at the front end and the rear end of the fixing piece is connected with the corresponding clamping parts, and the two limiting plates are respectively clamped at the two ends of the upper step of the support arm.

The invention also provides a refrigerator door body, which comprises:

a door housing;

a door liner coupled to a rear surface of the door housing, the door liner defining an ice making chamber accommodating an ice making assembly, a thermal insulation layer being filled between the door liner and the door housing, the door liner being provided with an opening communicating with the ice making chamber;

the door upper beam is arranged at the top of the door shell and the door liner;

the bracket is arranged below the upper door beam and 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 from the opening in the ice making chamber;

a refrigerant pipe extending into the ice making chamber from a side of the door liner adjacent to the hinge of the door body, the refrigerant pipe including a fixed section adjacent to the pivoting side of the door body and a direct cooling section in contact with the ice making assembly, the fixed section being supported on the bracket;

a mount mounted on the bracket, the mount section being defined between the mount and the bracket.

As a further improvement of an embodiment of the present invention, the opening includes a first opening and a second opening which are communicated, 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 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 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 on 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 refrigerator further comprises a heat exchanger and a liquid storage bag connected to the refrigerant pipe, wherein the refrigerant passes through the heat exchanger, the liquid storage bag and the refrigerant pipe in sequence, and then returns to the heat exchanger from the refrigerant pipe, and the heat exchanger and the liquid storage bag are arranged between the door liner and the door shell.

As a further improvement of an embodiment of the present invention, the refrigerant tube further includes a connection portion connected between the liquid storage bag and the fixing section, the connection portion is bent from bottom to top, horizontally extends on a side of the bracket facing away from the ice making chamber, 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 tube, the positioning member is connected to the supporting arm, and the supporting arm restricts the movement of the refrigerant tube along the extending direction of the direct cooling section by 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 an air return pipe connected between the refrigerant pipe and the refrigeration system, the cooling pipe and the air 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 the diameter of the air return pipe.

As a further improvement of an embodiment of the invention, an insulation layer is arranged between the door shell and the door liner, the door liner comprises an inner door liner forming the ice making chamber, flat foam is arranged between the insulation layer and the heat exchanger, the heat exchanger is supported on the flat foam, and the flat foam is arranged between the insulation layer and the inner door liner.

As a further improvement of an embodiment of the invention, the upper beam of the door extends downwards to form at least two connecting sleeves, at least two connecting struts extend upwards from corresponding supports, clamping grooves are formed in the peripheral wall of each connecting sleeve, clamping blocks are arranged on each strut, the connecting struts are inserted into the corresponding sleeves, and the clamping blocks are clamped into the clamping grooves.

As a further improvement of an embodiment of the invention, the support arm is provided with a first groove corresponding to the fixing section, the fixing piece is provided with a second groove corresponding to the fixing section, the front end and the rear end of the fixing piece are respectively provided with a clamping hook or a clamping groove, the corresponding support body and the support arm are respectively provided with clamping parts matched with the clamping hook or the clamping groove, the fixing piece downwards extends out of the two limiting plates, the two limiting plates are arranged at intervals along the extending direction of the direct cooling section, the upper part of the support arm forms a step shape, the fixing section is limited in the first groove and the second groove, the clamping hook or the clamping groove at the front end and the rear end of the fixing piece is connected with the corresponding clamping parts, 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:

the refrigerator comprises a box body, a refrigerating chamber and a refrigerating unit, wherein the box body is limited with the refrigerating chamber;

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

the door body is pivotally connected to the box body through a hinge and used for opening and closing the refrigeration compartment, wherein the door body is any one of the door bodies according to the embodiment, and the refrigerant pipe is connected with the refrigeration system through a pipeline of the refrigeration system through the hinge.

Compared with the prior art, in the embodiment of the invention, the bracket and the fixing piece are arranged on the door body, so that the door body is conveniently foamed after the refrigerant pipe is fixed in advance, the refrigerant pipe is prevented from shifting in the foaming process, and the door body is more reliably manufactured.

Drawings

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

fig. 2 is a perspective view of a door body of the refrigerator of fig. 1;

fig. 3 is an exploded perspective view of a door body of the refrigerator of fig. 2;

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

FIG. 5 is a perspective view of the door upper bracket, the fixing member, and the refrigerant tube assembly of FIG. 2;

FIG. 6 is a perspective view of the door upper bracket, the fixing member, and the refrigerant tube assembly of FIG. 2 from another perspective;

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 schematic perspective view of the mount of FIG. 5;

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

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 invention and structural, methodological, or functional modifications of these embodiments that may be made by one of ordinary skill in the art are included within the scope of the invention.

It will be appreciated that terms such as "upper," "lower," "outer," "inner," and the like, as used herein, refer to spatially relative positions and 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 term spatially relative position 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 including a cabinet 20, a door 10 movably coupled to the cabinet 20, and a cooling system, wherein the cabinet 20 defines a cooling compartment, the door 10 is used for opening and closing the cooling compartment, the cooling system is used for providing cooling capacity to the cooling compartment, a fan 220 is further provided in the cabinet 20 for introducing cooling air generated by the cooling system into the cooling compartment, and the cooling compartment includes a refrigerating compartment 21 and a freezing compartment 22, and may include more compartments, such as a variable temperature compartment. The refrigerating chamber 21 and the freezing chamber 22 are provided from top to bottom, and in this embodiment, the door 10 is used to open and close the refrigerating chamber 21.

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

The refrigeration system includes a compressor 913 and a condenser connected to an outlet side of the compressor 913, the refrigeration system is also used for providing cold to the ice making assembly 100, the compressor 913 is disposed at a bottom of the case 20, and an evaporator 912 for cooling the freezing chamber 22 and the refrigerating chamber 21 is disposed at a rear portion of the freezing chamber 22. In this embodiment, the ice making assembly 100 makes ice by being in direct contact with the refrigerant pipe, and the evaporator 912 may be connected in series with the refrigerant pipe for cooling the ice making or in parallel to both sides of the compressor 913 and the condenser.

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, and 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 installed at the top of the door housing 11 and the door liner 12, a foaming space is defined between the door housing 11, the door upper beam 14 and the door liner 12, and an insulation layer is filled in the foaming space to ensure insulation of the ice making compartment 13 on the door body 10 from the external environment and insulation of the refrigerating compartment from the external environment.

The door body 10 further comprises a bracket 15 connected with the ice making assembly 100, the bracket 15 is fixedly connected with the door upper beam 14, wherein the door upper beam 14 downwards extends to form two connecting sleeves 141, two connecting support posts 151 upwards extend to form corresponding brackets 15, clamping grooves 142 are formed in the peripheral walls of the connecting sleeves 141, clamping blocks 152 are arranged on the support posts 151, the two connecting support posts 151 are inserted into the corresponding connecting sleeves 141, and the clamping blocks 152 are clamped into the clamping grooves 142, so that the installation of the bracket 15 is realized. In addition, at least two notch grooves 143 communicated with the lower end openings of the connecting sleeve 141 are arranged on the connecting sleeve 141 at intervals along the circumferential direction, so that the connecting sleeve 141 can be elastically deformed when receiving the connecting support 151 for insertion, 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 a circuit structure and a waterway structure for the ice making assembly can be connected to the bracket 15. The door liner 12 is provided with an opening 123 communicating with the ice making chamber 13, the opening 123 is approximately at a position corresponding to the bracket 15, a 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 door body 10 is completely foamed, 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 case 20, and a refrigerant pipe 30 for cooling the ice making assembly 100 extends from the door liner 12 into the ice making compartment 13 adjacent to the pivoting side of the door body 10, wherein the refrigerant pipe 30 includes a fixing section 31 adjacent to the pivoting side of the door body 10 and a direct cooling section 32 in contact with the ice making assembly 100, the fixing section 31 being supported on the bracket 15. Specifically, the bracket 15 includes a bracket body 153 and a support arm 154 extending from a pivoting side of the bracket body 153 adjacent to the door body 10, the support arm 154 extending toward a rear portion away from the door housing 11, the support arm 154 being provided with a first recess 1541 for accommodating the refrigerant tube 30, wherein the direct cooling section is configured in a U-shape, and two corresponding first recesses 1541 of the support arm 154 are provided for respectively accommodating both ends of the fixing section 31 corresponding to the U-shape. The fixing member 40 is connected to the bracket 15, the fixing member 40 is provided with two second grooves 441 for accommodating the refrigerant tube, the second grooves 441 are also provided to correspond to the positions of the first grooves 1541, the fixing member 40 is connected to the bracket 15 to define the fixing section 31 of the refrigerant tube 30 in the space surrounded by the first grooves 1541 and the second grooves 441, the shapes of the first grooves 1541 and the second grooves 441 are matched with the shape of the refrigerant tube 30, and accordingly the fixing section 31 of the refrigerant tube 30 is fixed between the support arm 154 and the fixing member 40, and the degrees of freedom in the up-down direction and the front-rear direction are limited by the support arm 154 and the fixing member 40.

In order to realize reliable installation of the fixing element 40 on the support 15, hooks or clamping grooves 411 and 412 are respectively arranged at the front end and the rear end of the fixing element 40, clamping parts 1531 and 1542 matched with the hooks or the clamping grooves 411 and 412 are respectively arranged on the corresponding support body 153 and the corresponding support arm 154, and the fixing element 40 is fixed relative to the support 15 through connection of the hooks or the clamping grooves and the corresponding clamping parts. To further secure the connection, the fixing member 40 extends downward to form two limiting plates 442 and 443, the two limiting plates 442 and 443 are spaced apart along the extending direction of the direct cooling section 32, the supporting arm 154 is formed in a stepped shape, and the two limiting plates 442 and 443 are respectively caught at both ends of the upper step 155 of the supporting arm 154, so that the fixing member 40 is more reliably fixed on the bracket 15. Specifically, hooks 445 are disposed on opposite side walls of the two limiting plates 442 and 443, and grooves are disposed at two ends of the upper step 155 of the corresponding supporting arm 154, and the fixing member 40 is fixed relative to the support 15 along the extending direction of the direct cooling section 32 by matching the hooks 445 on the limiting plates 442 and 443 with the grooves of the upper step 155. The fixing member 40 is engaged with the bracket 15 in two directions, thereby facilitating the installation of the refrigerant tube 30 and realizing the reliable fixing of the fixing section 31 of the refrigerant tube 30.

In addition, the second groove 441 and the limiting plates 442 and 443 on the fixing member 40 may be disposed at intervals along the front-rear direction, the upper plate portion 43 is formed above the second groove 441 and the limiting 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 is connected to the upper plate portion 43 and the second groove 441 and the limiting plates 442 and 443 along the up-down direction, the front end plate 41 and the rear end plate 42 are formed on the front end and rear end of the fixing member 40, the hooks or the clamping grooves 411 and 412 on the front end and rear end of the fixing member 40 are formed on the front end plate 41 and the rear end plate 42, respectively, the width of the lower step portion 156 of the supporting arm 154 along the extending direction of the direct cooling section 32 is substantially the same as that of the upper plate portion 43, the lower step portion 156 of the side plate portion 54 and the supporting arm 154 are far from the side of the direct cooling section 32, and when assembled, the upper plate portion 43 and the lower step portion 156 of the supporting arm 154 are abutted against the door liner 12, and when the door body is foamed, the foaming material as the door layer is filled between the liner 12 and the outer shell 11, and the foaming material as well as the foaming material is filled between the door liner 11 and the foaming material, and the foaming material is filled between the door liner 12 and the inner liner 12 and the foaming material, and the inner liner 31, and the cooling material 31, and the fixing member 40 and the fixing member 31.

Further, in order to prevent the fixing section 31 of the refrigerant tube 30 from being mounted in the first groove 1541 and being displaced along the extending direction of the direct cooling section 32, a positioning member 33 is fixedly connected to the fixing section 31, and the positioning member 33 is clamped to the supporting arm 154 to fix the position of the refrigerant tube 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, and may be fixed by welding, bonding or the like, preferably, two positioning members 33 are arranged at intervals, and the two positioning members 33 are respectively clamped at the left and right ends of the upper step 155 of the supporting arm 154, so that the supporting arm 154 limits the movement of the refrigerant tube 30 along the extending direction of the direct cooling section 32 through the positioning member 33, thereby making the fixing of the refrigerant tube 30 more reliable.

Referring to fig. 9, the door 10 is further provided with a heat exchanger 50 and a liquid storage pack 60 connected to a refrigeration system, a pipeline of the refrigeration system is connected to the heat exchanger 50 through a hinge of the door, the refrigerant pipe 30 is respectively connected to the heat exchanger 50 and the liquid storage pack 60, the refrigerant from the refrigeration system sequentially passes through the heat exchanger 50, the liquid storage pack 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 pack 60 are both disposed between the door liner 12 and the door shell 11. Part of the refrigerant pipe 30 is positioned at the bottom of the ice making assembly, the evaporation area is smaller, so that a large amount of cold of the refrigerant cannot be dispersed, if the cold cannot be dispersed, a pipeline of the refrigerant system can enter the hinge to be discharged out of the door body, condensation and even frosting can be caused when the pipeline passes through the hinge, and the cold of the refrigerant can be dispersed by arranging the heat exchanger 50 and the liquid storage bag 60 on the door body 10, so that the problem that the pipeline of the refrigerant system passes through the hinge to be condensed is solved. In addition, the door 10 is additionally provided with the liquid storage bag 60 to store the refrigerant, and more cold energy can be dissipated by the refrigerant.

In this embodiment, the heat exchanger 50 and the liquid storage pack 60 are sequentially disposed from the pivot side adjacent to the door body 10 to the other side, and the connection between the heat exchanger 50 and the liquid storage pack 60 enables the refrigerant to enter and exit the liquid storage pack 60 along the up-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. The heat exchanger 50 includes a cooling pipe 51 connected between the refrigerating system and the liquid storage pack 60, and an air return pipe 52 connected between the refrigerant pipe 30 and the refrigerating system, wherein 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 10, so that the heat exchange effect is effectively improved, that is, the refrigerant of the cooling pipe 51 can be evaporated through heat exchange, and the refrigerant of the air return pipe 52 is condensed. By providing the cooling pipe 51 and the return air pipe 52 in a detoured manner in the door body, 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, 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 is bent from bottom to top to extend in a horizontal direction at a side of the bracket 15 facing away from the ice making chamber 13, and is bent from a pivoting side adjacent to the door body through two bends to enter the ice making chamber 13, thereby further increasing the length of the refrigerant pipe 30 to dissipate cold.

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 formed by bending the door body after vertically extending, specifically, the cooling pipe 31 and the air return pipe 32 may include 5-15 vertical extending sections, and in this embodiment, 7-11 vertical extending sections are preferred, so that a preset interval is ensured between every two vertical extending sections, and meanwhile, the heat exchange effect and the full utilization of the door body space are considered. Of course, the cooling pipe 31 and the air return pipe 32 may be formed by bending after extending in a horizontal direction, and the number of the horizontal extending sections may be the same as that of the book-shaped extending sections, so that the effect 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 with its axial direction disposed in parallel with the vertically extending section of the heat exchanger 50 to facilitate assembly within the door. In order to prevent noise during operation of the liquid storage bag 60, the outside of the liquid storage bag 60 may be covered with a soundproof material such as silica gel or foam, thereby reducing noise.

The pipeline of refrigerating system includes from the box to the access tube 915 of door and from the door to the return tube 916 of box, and access tube 915 and return tube 916 all pass from the hinge between door and the box, and access tube 915 and return tube 916 pass the part of hinge at least and wrap up by the obturator foam for access tube 915 and return tube 916 can not contact with the air, solves the easy problem of condensation of pipeline that wears the hinge part. Further, the door body is provided with a protection pipe 16 extending downwards from the hinge, the inlet pipe 915 and the return pipe 916 can be wrapped in the protection pipe 16, and in addition, a water pipe for supplying water to the ice making assembly can be wrapped in the protection pipe 16, so that the door body can be assembled conveniently.

In addition, the heat exchanger 50 and the liquid storage pack 60 are preferably disposed on the insulation layer between the door housing 11 and the door liner 12, and for convenience in mounting the heat exchanger, a flat foam 17 may be disposed to support the heat exchanger 50 and the liquid storage pack 60, and the flat 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 the rear side of the inner door liner 122, the flat foam 17 is disposed between the insulation layer and the heat exchanger 50, and the flat foam 17 is disposed between the insulation layer and the inner door liner 122, such that the heat exchanger 50 is not in direct contact with the door body, and thus does not cause deformation of the foaming door body. The heat-insulating layer comprises a foaming material layer, and further, in order to enhance the heat-insulating effect of the door body, the heat-insulating layer can further comprise a VIP (vacuum insulation panel) layer 18 arranged between the door outer shell 11 and the door liner 12, the flat foam 17 is adhered to the VIP layer 18, and the heat exchanger 50 is not in direct contact with the VIP layer 18, so that the outside of the door body in the refrigerator operation process is not exposed.

In the refrigerator of the above embodiment, the bracket 15 and the fixing member 40 are provided on 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 during the foaming process, so that the door body 10 is more reliably manufactured. In addition, by arranging the heat exchanger 50 and the liquid storage bag 60 on the door body 10, more cold can be emitted, and the frost formation of a pipeline of the refrigeration system caused when the refrigerant is not completely evaporated and passes through the hinge of the door body can be prevented, so that the refrigerator can be used more reliably.

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 housing 11, and a door liner 12, wherein the door liner 12 is formed with an ice making chamber 13 accommodating an ice making assembly;

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

a refrigerant pipe 30 for supplying cooling to the ice making assembly, the refrigerant pipe 30 extending from the pivoting side of the door liner 11 adjacent to the door body into the ice making chamber 13, 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 tube 30 between the fixing member 40 and the bracket 15;

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

foaming is performed in the foaming space to press the bracket 15 into close contact with the door liner 12.

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

Specifically, the opening 123 includes a first opening 1231 and a second opening 1232 that are connected, the first opening is located at the front of the ice making compartment 13, the second opening 1232 is located at the pivoting side of the ice making compartment 13 adjacent to the door body, the stand 15 includes a stand body 153 and a support arm 154 extending from the pivoting side of the stand body 153 adjacent to the door body, the support arm 154 extends toward the rear away from the door housing 11, the refrigerant tube 30 is supported on the support arm 154, the fixing member 40 is mounted on the support arm 154 to fix the refrigerant tube 30, when the door liner 12 is combined to the rear surface of the door housing 11, the stand body 153 closes the first opening 1231, the fixing member 40 and the support arm 154 abut against the edge of the second opening 1232, and then foaming is performed, after which a portion of the fixing member 40 is located in the ice making compartment 13, so that the fixing member 40 can be further tightly fixed to the stand 15.

The manufacturing method further comprises the following steps: the heat exchanger 50 and the liquid storage bag 60 are provided, the heat exchanger 50, the refrigerant pipe 30 and the liquid storage bag 60 are connected in a flow path, the refrigerant pipe 30 comprises a connecting part 35 connected between the liquid storage bag 60 and the direct cooling section 32, the connecting part 35 is bent from bottom to top, then horizontally extends on one side of the bracket 15, which is away from the ice making chamber 13, and then enters the ice making chamber 13 through two bends.

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

The heat exchanger 50 includes a cooling pipe 51 connected between the refrigerating system and the liquid storage pack 60 and an air return pipe 52 connected between the refrigerant pipe 30 and the refrigerating 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 flat foam 17, the flat foam 17 is fixed on the vacuum insulation panel 18, the vacuum insulation panel 18 is fixed on the back surface of the door housing 11, and then the door liner 12 is bonded on the back surface of the door housing 11.

The door upper beam 14 extends downwards to form two connecting sleeves 141, two connecting support posts 151 extend upwards from the corresponding support 15, clamping grooves 142 are formed in the peripheral walls of the connecting sleeves 141, clamping blocks 152 are arranged on the support posts 151, and the support 15 is mounted on the door upper beam 14 by inserting the two connecting support posts 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 corresponding supporting arm 154 are respectively provided with a clamping part 1531 and a clamping part 1542 matched with the hook or the slot, the fixing member 40 downwardly extends out of the two limiting plates 442 and 443, the two limiting plates 442 and 443 are arranged at intervals along the extending direction of the direct cooling section 32, the supporting arm 154 is formed into a step shape, the fixing member 40 is fixedly connected with the bracket 15 in a manner that the second groove 441 corresponds to the fixing section 31, the fixing member 40 is pressed down so that the hooks or the slots 411 and 412 at the front end and the rear end of the fixing member 40 are connected with the corresponding clamping parts 1531 and 1542, and the two limiting plates 442 and 443 are respectively clamped at the two ends of the upper step 155 of the supporting arm 154.

Through the manufacturing method, the refrigerating pipe can be fixed on the bracket, then the door body is foamed, the problem that the refrigerating pipeline cannot be assembled accurately is solved, if the refrigerating pipeline is not accurately fixed, the left and right position deviation of the refrigerating pipeline can be caused, and the situation that the ice making assembly is difficult to install or cannot be installed after foaming can lead to the rejection of the whole door body. Therefore, according to the manufacturing method, the probability of scrapping the door body after foaming is extremely small, so that the manufacturing cost of the door body is reduced.

It should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is for clarity only, and that the skilled artisan should recognize that the embodiments may be combined as appropriate to form other embodiments that will be understood by those skilled in the art.

The above list of detailed descriptions is only specific to practical embodiments of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent embodiments or modifications that do not depart from the 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:

providing a fixing piece, fixedly connecting the fixing piece with a bracket to limit a refrigerant pipe between the fixing piece and the bracket, wherein the bracket comprises a bracket body and a supporting arm extending from one end of the bracket body, which is close to a pivoting side of a door body, and extends towards the rear part far away from a door shell;

the fixing piece is fixedly connected with the support, particularly, the second groove corresponds to the fixing section, and the fixing piece is pressed down so that the clamping hooks or the clamping grooves at the front end and the rear end of the fixing piece are connected with the corresponding clamping parts;

and foaming is carried out in the foaming space so as to extrude the bracket to be tightly attached to the door liner, and after foaming, part of the fixing piece is positioned in the ice making chamber.

2. The method of manufacturing according to claim 1, wherein the opening includes a first opening and a second opening which are communicated, the first opening being located at a front portion of the ice making compartment, the second opening being located at a side portion of the ice making compartment adjacent to a pivoting side of the door body, the bracket body closing the first opening when the door liner is coupled to a rear surface of the door housing, the fixing member and the support arm abutting an edge of the second opening, and then foaming is performed.

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

4. The method of manufacturing as claimed in claim 1, wherein the heat exchanger includes a cooling tube connected between the refrigerating system and the liquid storage pack and an air return tube connected between the refrigerant tube and the refrigerating system, the cooling tube and the air return tube being in contact with each other and forming a plurality of bends on the door body, the heat exchanger being fixed to the flat foam, the flat foam being fixed to the vacuum insulation panel, the vacuum insulation panel being fixed to the rear surface of the door housing, and then the door liner being bonded to the rear surface of the door housing.

5. The method of claim 1, wherein the door upper beam extends downward to form two connecting sleeves, two connecting posts extend upward from corresponding brackets, clamping grooves are formed in the peripheral walls of the connecting sleeves, clamping blocks are formed on the posts, and the bracket is mounted on the door Liang Juti by inserting the two connecting posts into the corresponding connecting sleeves until the clamping blocks are clamped into the clamping grooves.

6. The method of claim 1, wherein the fixing member extends downward from two limiting plates spaced apart along the direction of extension of the direct cooling section, the two limiting plates being respectively engaged with both ends of the upper step of the support arm.

7. A refrigerator door, comprising:

a door housing;

a fixing member mounted on the bracket, the fixing section being defined between the fixing member and the bracket, a portion of the fixing member being located in the ice making chamber, a positioning member being fixedly connected to the refrigerant pipe, the bracket including a bracket body and a support arm extending from one end of the bracket body adjacent to a pivoting side of the door body, the support arm extending toward a rear portion away from the door housing, the fixing section being supported on the support arm, the fixing member being mounted to the bracket body and the support arm, the positioning member being connected to the support arm, the support arm restricting movement of the refrigerant pipe in an extending direction of the direct cooling section by the positioning member;

the support arm is provided with a first groove corresponding to the fixing section, the fixing piece is provided with a second groove corresponding to the fixing section, the front end and the rear end of the fixing piece are respectively provided with a clamping hook or a clamping groove, the corresponding support body and the support arm are respectively provided with clamping parts matched with the clamping hook or the clamping groove, the upper part of the support arm forms a step shape, the fixing section is limited in the first groove and the second groove, and the clamping hooks or the clamping grooves at the front end and the rear end of the fixing piece are connected with the corresponding clamping parts.

8. The refrigerator door as claimed in claim 7, wherein the opening includes a first opening and a second opening which are communicated, the first opening being located at a front portion of the ice making compartment, the second opening being located at a side portion of the ice making compartment adjacent to a pivoting side of the door, the bracket body closing the first opening, and the fixing member and the supporting arm being abutted against edges of the second opening.

9. The refrigerator door as claimed in claim 7, further comprising a heat exchanger and a liquid storage pack connected to the refrigerant pipe, wherein the refrigerant passes through the heat exchanger, the liquid storage pack and the refrigerant pipe in this order, and then returns from the refrigerant pipe to the heat exchanger, the heat exchanger and the liquid storage pack being disposed between the door liner and the door housing.

10. The refrigerator door as claimed in claim 9, wherein the refrigerant pipe further comprises a connection portion connected between the liquid storage bag and the fixing section, the connection portion being horizontally extended at a side of the bracket facing away from the ice making chamber after being bent from bottom to top, and being introduced into the ice making chamber through two bends.

11. The refrigerator door as claimed in claim 9, wherein the heat exchanger includes a cooling pipe connected between the refrigerating system and the liquid storage pack and an air return pipe connected between the refrigerant pipe and the refrigerating system, the cooling pipe and the air return pipe being in contact with each other and forming a plurality of bends in the door, and a diameter of the cooling pipe is larger than a diameter of the air return pipe.

12. The refrigerator door as claimed in claim 9, wherein a heat insulating layer is provided between the door housing and the door liner, the door liner includes an inner door liner forming the ice making chamber, a flat foam is provided between the heat insulating layer and the heat exchanger, the heat exchanger is supported on the flat foam, and the flat foam is provided between the heat insulating layer and the inner door liner.

13. The refrigerator door as claimed in claim 7, wherein the door upper beam extends downward to form at least two connection sleeves, at least two connection posts extend upward from corresponding brackets, a clamping groove is formed in a peripheral wall of each connection sleeve, a clamping block is formed on each post, and the connection posts are inserted into the corresponding sleeves and the clamping blocks are clamped into the clamping grooves.

14. The refrigerator door as claimed in claim 7, wherein the fixing member downwardly extends two limiting plates which are spaced apart along the extension direction of the direct cooling section, and the two limiting plates are respectively caught at both ends of the upper step of the supporting arm.

15. A refrigerator, comprising:

a door body pivotally connected to the cabinet by a hinge for opening and closing the refrigeration compartment, wherein the door body is as claimed in any one of claims 7 to 14, and the refrigerant pipe is connected to the refrigeration system by a pipe of the refrigeration system through the hinge.