CN114719517B - refrigerator - Google Patents

Abstract

The invention provides a refrigerator, comprising: a box body defining a refrigerating compartment; a door body movably connected to the box body and used to open and close the refrigerating compartment, the door body includes a door shell and a door liner combined with the door shell, the door When the body is closed, the door liner at least partly extends into the refrigerating compartment; the refrigeration system is used to provide cooling capacity for the refrigerating compartment; the ice-making chamber is defined by the door liner, and the ice-making chamber contains ice-making components, When the door is closed, the ice-making chamber is insulated from the refrigeration compartment; the door is equipped with a heat exchanger connected to the refrigeration system, a refrigerant pipe and a liquid storage bag connected to the heat exchanger, and the pipeline of the refrigeration system passes through the door The hinge is connected with the heat exchanger, the refrigerant pipe includes a direct cooling section in contact with the ice making assembly, the refrigerant from the refrigeration system passes through the heat exchanger, the liquid storage bag and the direct cooling section in turn, and then From the heat exchanger back to the refrigeration system, the heat exchanger and the liquid storage bag are disposed between the door liner and the door shell.

Description

refrigerator

technical field

The invention relates to the field of refrigeration appliances, in particular to a refrigerator with an ice-making function.

Background technique

The ice maker is usually arranged in a freezer compartment of the refrigerator to make ice with the help of cold air from the freezer compartment. As for the refrigerator with the refrigerator compartment and the freezer compartment distributed up and down, the user needs to bend down to open the door body of the freezer compartment when taking ice. In order to make it convenient for users to take ice, some existing refrigerators are equipped with an independent ice-making room in the refrigerator room or the door body of the refrigerator room. device.

However, if an independent ice-making chamber is installed on the door of the refrigerating room, it is necessary to introduce cold air from the box into the ice-making chamber of the door to realize ice-making and cooling. Because the door needs to be opened and closed frequently, it is easy to cause cold air to leak, thereby Increase the energy consumption of the refrigerator, and the introduction of cold air from the cabinet is also likely to cause odors. Therefore, there have been refrigerators that use the refrigerant pipe to directly contact the ice maker to make ice. This type of refrigerator usually needs to introduce the refrigerant from the cabinet to the door, usually through the hinge between the door and the cabinet. However, there will be a problem of condensation on the hinge, so further improvements to the prior art are required.

Contents of the invention

An object of the present invention is to provide a refrigerator that is reliable in use.

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

a cabinet defining a refrigeration compartment;

The door body is movably connected to the box body and is used to open and close the refrigerating compartment. The door body includes a door shell and a door liner combined with the door shell. When the door body is closed, the door liner at least partially extends into the refrigerating compartment indoor

a refrigeration system, configured to provide refrigeration to the refrigeration compartment;

an ice-making chamber defined by the door lining, an ice-making assembly is accommodated in the ice-making chamber, and when the door is closed, the ice-making chamber is insulated from the refrigeration compartment;

The door body is provided with a heat exchanger connected to the refrigeration system, a refrigerant pipe and a liquid storage bag connected to the heat exchanger, and the pipeline of the refrigeration system is connected to the heat exchanger through the hinge of the door body. The refrigerant pipe includes a direct cooling section in contact with the ice making assembly, and the refrigerant from the refrigeration system passes through the heat exchanger, the liquid storage bag, and the direct cooling section in sequence, and then flows from the cooling system to the direct cooling section. The heat exchanger returns to the refrigeration system, 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 heat exchanger and the liquid storage bag are sequentially arranged from the pivoting side adjacent to the door body to the other side, and the heat exchanger and the liquid storage bag The connections allow refrigerant to enter the reservoir from top to bottom.

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 return air pipe connected between the refrigerant pipe and the refrigeration system, the cooling pipe and the return pipe The air pipes contact each other and form multiple bends on the door body, and the diameter of the cooling pipe is larger than that of the air return pipe.

As a further improvement of an embodiment of the present invention, it also includes a bracket combined with the door liner and connected to the ice making assembly, the refrigerant pipe includes a direct cooling section directly in contact with the ice making assembly, and also includes a connecting In the connecting part between the liquid storage bag and the direct cooling section, the connecting part extends horizontally on the side of the bracket facing away from the ice-making compartment after being bent from bottom to top, and from the pivoting side adjacent to the door body Enter the ice maker.

As a further improvement of an embodiment of the present invention, the door body further includes a door upper beam connected to the door shell and the top of the door liner, and the bracket is connected to the door upper beam.

As a further improvement of an embodiment of the present invention, at least two connecting sleeves extend downward from the upper door beam, and at least two connecting struts extend upward from the corresponding bracket, and each connecting sleeve is provided with a clip on the peripheral wall. slot, each pillar is provided with a clamping block, the connecting strut is inserted into the corresponding sleeve and the clamping block is clamped into the clamping groove.

As a further improvement of an embodiment of the present invention, the bracket includes a bracket body and a support arm extending from the pivot side of the bracket body adjacent to the door body, the support arm extends to the rear away from the door shell, and the refrigerant A part of the tube is supported on the support arm, a fixing part is connected to the bracket, the fixing part is clipped to the support arm, and a part of the refrigerant tube is fixed between the fixing part and the support arm .

As a further improvement of one embodiment of the present invention, the door lining is provided with a first opening and a second opening connected to each other, the first opening is located at the front of the ice making compartment, and the second opening is located at the door adjacent to the ice making compartment The side part of the pivoting side of the body, the bracket closes the first opening, a part of the fixing part and the supporting arm abuts against the edge of the second opening, and the other part of the fixing part and the supporting arm is located at the ice making indoor.

As a further improvement of an embodiment of the present invention, the refrigerant tube is fixedly connected with a positioning piece, the positioning piece is connected to the support arm, and the support arm restricts the refrigerant tube from moving along the Move in the direction of extension of the direct cooling section.

As a further improvement of an embodiment of the present invention, the pipeline of the refrigeration system includes an inlet pipe from the box body to the door body and a return pipe from the door body to the box body, and the inlet pipe and the return pipe are connected from the door The hinge between the body and the box body passes through, and at least the part of the inlet pipe and the return pipe passing through the hinge is wrapped by closed-cell foam.

As a further improvement of an embodiment of the present invention, an insulation layer is provided between the door shell and the door lining, the door lining includes an inner door lining forming the ice making chamber, the insulation layer and the heat exchanger Flat foam is arranged in between, and the heat exchanger is supported on the flat foam, and the flat foam is arranged between the thermal insulation layer and the inner door liner.

As a further improvement of an embodiment of the present invention, the liquid storage bag is wrapped with silica gel or foam, and the liquid storage bag is spaced from the heat exchanger and supported on the flat foam.

As a further improvement of an embodiment of the present invention, the cooling pipe and the air return pipe are bent after extending vertically up and down on the door body, the liquid storage bag is configured in a cylindrical shape, and the axial direction of the liquid storage bag It is parallel to the direction in which the cooling pipe and the air return pipe extend up and down.

Compared with the prior art, in the embodiment of the present invention, by arranging a heat exchanger and a liquid storage bag on the door body, more cold energy can be dissipated, preventing the refrigerant from incompletely evaporating on the hinge passing through the door body Sometimes it will cause the pipeline of the refrigeration system to frost, making the use of the refrigerator more reliable.

Description of drawings

Fig. 1 is the schematic diagram of the refrigerator of preferred embodiment of the present invention;

Fig. 2 is a three-dimensional schematic diagram of the door body of the refrigerator in Fig. 1;

Fig. 3 is a three-dimensional exploded schematic view of the door body of the refrigerator in Fig. 2;

Fig. 4 is a schematic sectional view along line A-A in Fig. 2;

Fig. 5 is a three-dimensional schematic diagram of the assembly of the upper bracket on the door body, the fixing piece and the refrigerant tube in Fig. 2;

Fig. 6 is a three-dimensional schematic diagram of another angle of view in which the bracket on the door body, the fixing piece and the refrigerant pipe are assembled together in Fig. 2;

Fig. 7 is a three-dimensional exploded schematic diagram in Fig. 5;

Fig. 8 is an enlarged schematic diagram of the circled part in Fig. 7;

Fig. 9 is a schematic perspective view of the fixing part in 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 ways

The present invention will be described in detail below in conjunction with specific embodiments shown in the accompanying drawings. However, these embodiments do not limit the present invention, and any structural, method, or functional changes made by those skilled in the art according to these embodiments are included in the protection scope of the present invention.

It should be understood that terms such as "upper", "lower", "outer", "inner", etc. used herein to indicate relative spatial positions are for convenience of description to describe the relative position of a unit or feature as shown in the drawings. A relationship to another element or feature. The terms of spatial 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 box body 20, a door body 10 movably connected to the box body 20, and a refrigeration system. The box body 20 defines a refrigeration compartment, and the door body 10 is used for Open and close the refrigerating compartment, the refrigerating system is used to provide cold energy to the refrigerating compartment, and the fan 220 for introducing the cold air produced by the refrigerating system into the refrigerating compartment is also provided in the box body 20, and the refrigerating compartment includes a refrigerating compartment 21 and The freezer 22 can certainly include more compartments, such as a temperature-changing room. The refrigerator compartment 21 and the freezer compartment 22 are arranged from top to bottom. In this embodiment, the door body 10 is used to open and close the refrigerator compartment 21 .

The door body 10 is provided with an ice-making chamber 13, the ice-making chamber 13 accommodates the ice-making assembly 100, and also accommodates the ice storage box 200 located under the ice-making assembly 100, when the door body 10 is closed, the ice-making chamber 13 and the refrigerator Chamber 21 is insulated. Wherein, one or two doors may be provided for opening and closing the refrigerating chamber. If two doors are provided, the ice-making chamber may be provided in one of the doors. In this embodiment, the front and rear directions of the refrigerator are the front on the side where the door body 10 is installed, and the back on the side where the box body 20 is installed;

Wherein, the refrigeration system includes a compressor 913 and a condenser connected to the outlet side of the compressor 913. The refrigeration system is also used to provide cooling capacity to the ice making assembly 100. 22 and the evaporator 912 for cooling of the refrigerator compartment 21 are arranged at the rear of the freezer compartment 22 . In this embodiment, the ice making assembly 100 makes ice by directly contacting the refrigerant pipe, and the evaporator 912 can be connected in series or in parallel with the refrigerant pipe for cooling the ice making at both sides of the compressor 913 and the condenser.

2 to 9, the door body 10 includes a door shell 11 and a door liner 12 coupled to the door shell 11. When the door is closed, the door liner 12 at least partially extends into the refrigerating room, and the door liner 12 limits the ice making capacity. Chamber 13, when the door body is closed, the ice-making chamber 13 is insulated from the refrigeration compartment. The door body 10 also includes a door upper beam 14 installed on the top of the door casing 11 and the door lining 12. A foaming space is defined between the door casing 11, the door upper beam 14, and the door lining 12, and the foaming space is filled with an insulating layer to Ensure the heat insulation between the ice-making compartment 13 on the door body 10 and the external environment and the heat insulation between the refrigeration compartment and the external environment.

The door body 10 also includes a bracket 15 connected to the ice making assembly 100. The bracket 15 is fixedly connected to the upper door beam 14, wherein two connecting sleeves 141 extend downward from the upper door beam 14, and two connecting sleeves 141 extend upward from the corresponding bracket 15. A connecting pillar 151, the peripheral wall of the connecting sleeve 141 is provided with a draw-in groove 142, and the pillar 151 is provided with a block 152, the two connecting pillars 151 are inserted into the corresponding connecting sleeve 141, and the engaging block 152 is inserted into the engaging groove 142 That is, the installation of the bracket 15 is realized. In addition, the connecting sleeve 141 is circumferentially spaced with at least two notches 143 communicating with its lower end opening, so that the connecting sleeve 141 is elastically deformed when receiving the connecting support 151 , so that 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 and right direction, and the circuit structure and waterway structure for the ice making assembly can also 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 roughly at the position corresponding to the bracket 15. A part of the bracket 15 fits on the door liner 12 at the position corresponding to the periphery of the opening 123. The other part of the bracket 15 is The opening 123 is exposed in the ice making compartment 13 , the door body 10 is foamed, and the part of the bracket 15 attached to the door liner 12 is closely attached to the door liner 12 .

Wherein, the door body 10 is pivotally connected to the box body 20, and the refrigerant pipe 30 for cooling the ice making assembly 100 extends into the ice making chamber 13 from the pivot side of the door lining 12 adjacent to the door body 10, wherein the refrigerant pipe 30 includes The fixed section 31 adjacent to the pivoting side of the door body 10 and the direct cooling section 32 in contact with the ice making assembly 100 are supported on the bracket 15 . Specifically, the bracket 15 includes a bracket body 153 and a support arm 154 extending from the pivot side of the bracket body 153 adjacent to the door body 10. The support arm 154 extends to the rear part away from the door shell 11. The first groove 1541 of the agent tube 30, wherein the direct cooling section is configured as a U-shape, and the corresponding first groove 1541 on the support arm 154 is provided with two, respectively accommodating two ends of the fixing section 31 corresponding to the U-shape. The bracket 15 is connected with a fixing piece 40, and the fixing piece 40 is provided with a second groove 441 for accommodating the refrigerant tube. Similarly, there are two second grooves 441 corresponding to the positions of the first groove 1541, and the fixing The connection between the piece 40 and the bracket 15 realizes that the fixed section 31 of the refrigerant pipe 30 is limited in the space enclosed by the first groove 1541 and the second groove 441, and the shape of the first groove 1541 and the second groove 441 is consistent with that of The shape of the refrigerant tube 30 is matched, so that the fixed section 31 of the refrigerant tube 30 is fixed between the supporting arm 154 and the fixing piece 40 , and its freedom in the up-down direction and front-back direction is limited by the supporting arm 154 and the fixing piece 40 .

In order to realize the reliable installation of the fixing part 40 on the bracket 15, the front and rear ends of the fixing part 40 are provided with hooks or slots 411 and 412 respectively, and the corresponding bracket body 153 and the support arm 154 are respectively provided with hooks or slots. The clipping parts 1531 and 1542 matched with 411 and 412 are connected with the corresponding clipping parts by hooks or slots, and the fixing member 40 is fixed relative to the bracket 15 . In order to further ensure the reliability of the connection, the fixing member 40 protrudes downwards with two limiting plates 442 and 443, and the two limiting plates 442 and 443 are arranged at intervals along the extending direction of the direct cooling section 32, and a stepped shape is formed above the supporting arm 154 , the two limiting plates 442 and 443 are respectively clamped at both ends of the upper step 155 of the support arm 154 , so that the fixing member 40 is more reliably fixed on the bracket 15 . Specifically, hooks 445 are provided on the opposite side walls of the two limiting plates 442 and 443, and the two ends of the upper step 155 of the corresponding support arm 154 are provided with slots, through which the hooks on the limiting plates 442 and 443 445 cooperates with the slot of the upper step 155 to realize the fixing of the fixing member 40 relative to the bracket 15 along the extending direction of the direct cooling section 32 . The fixing member 40 is clamped with the bracket 15 in two directions, which not only facilitates the installation of the refrigerant pipe 30 , but also realizes reliable fixing of the fixed section 31 of the refrigerant pipe 30 .

In addition, the second groove 441 on the fixing member 40 and the limiting plates 442 and 443 can be arranged at intervals along the front and rear directions, and an upper plate portion 43 is formed above the second groove 441 and the limiting plates 442 and 443, and the fixing member 40 forms a side plate part 45 on one side facing the direct cooling section 32, and the side plate part 45 connects the upper plate part 43, the second groove 441 and the limiting plates 442 and 443 along the up and down direction, and the front and rear ends of the fixing part 40 form The front end plate 41 and the rear end plate 42, the hooks or slots 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, and the lower step portion 156 of the support arm 154 is along the direct cooling section 32 The width of the extension direction is approximately the same as that of the upper plate portion 43, and the side plate portion 54 and the lower step portion 156 of the support arm 154 form a filling space 46 away from the side of the direct cooling section 32. During assembly, the upper plate portion 43 and the support arm 154 The lower steps 156 are all in contact with the door liner 12. When foaming the door body, the foam material as the insulation layer is filled between the door liner 12 and the door shell 11, and the foam material is also filled into the fixing part 40 and the filling space 46 of the support arm 154, so that the fixation of the fixing part 40 and the support arm 154 to the fixing section 31 of the refrigerant pipe 30 is more firm.

Further, in order to prevent the fixed section 31 of the refrigerant pipe 30 from being installed in the first groove 1541 and shift along the extending direction of the direct cooling section 32, a positioning piece 33 is fixedly connected to the fixed section 31, and the positioning piece 33 is clamped Connected to the support arm 154 to fix the position of the refrigerant pipe 30 relative to the support arm 154, wherein the positioning member 33 is connected between the two ends of the U-shaped corresponding to the direct cooling section, and can be fixed by welding, bonding, etc. Preferably, two positioning pieces 33 are arranged at intervals, and the two positioning pieces 33 are respectively stuck on the left and right ends of the upper step 155 of the support arm 154. In this way, the support arm 154 restricts the refrigerant pipe 30 along the direct cooling section 32 through the positioning pieces 33. The extending direction of the refrigerant pipe 30 is moved, so that the fixing of the refrigerant pipe 30 is more reliable.

As shown in FIG. 9 , the door body 10 is also provided with a heat exchanger 50 and a liquid storage bag 60 connected to the refrigeration system. The pipelines of the refrigeration system are connected to the heat exchanger 50 through the hinge of the door body. Connect the heat exchanger 50 and the liquid storage bag 60, the refrigerant from the refrigeration system passes through the heat exchanger 50, the liquid storage bag 60 and the refrigerant pipe 30 in turn, returns from the refrigerant pipe 30 to the heat exchanger 50, and then flows from the refrigerant pipe 30 to the heat exchanger 50. The heat exchanger 50 returns to the refrigeration system, and both the heat exchanger 50 and the liquid storage bag 60 are arranged between the door liner 12 and the door shell 11 . A part of the refrigerant pipe 30 is located at the bottom of the ice-making assembly, and the evaporation area is small, so that the refrigerant cannot dissipate a large amount of cold. If this part of the cold cannot be dissipated, it will enter the pipeline of the refrigeration system and pass through the hinge to exit the door. , Condensation or even frost will occur when passing through the hinge. By installing a heat exchanger 50 and a liquid storage bag 60 on the door body 10, the cooling capacity of the refrigerant can be dissipated to solve the problem of condensation when the pipeline of the refrigeration system passes through the hinge. The problem. In addition, adding a liquid storage bag 60 to the door body 10 can store the refrigerant, and also allow the refrigerant to dissipate more cold energy.

In this embodiment, the heat exchanger 50 and the liquid storage bag 60 are sequentially arranged from the pivoting side adjacent to the door body 10 to the other side, and the connection between the heat exchanger 50 and the liquid storage bag 60 allows the refrigerant to enter and exit the liquid storage along the up and down direction. The package 60 makes more compact use of the space in the door body 10 without increasing the volume of the door body. Wherein, the heat exchanger 50 includes a cooling pipe 51 connected between the refrigeration system and the liquid storage bag 60 and a return air pipe 52 connected between the refrigerant pipe 30 and the refrigeration system, the cooling pipe 51 and the return air pipe 52 are in contact with each other and Multiple bends are formed on the door body 10 to effectively improve the heat exchange effect, that is, the refrigerant in the cooling pipe 51 can be evaporated through heat exchange, and the refrigerant in the air pipe 52 can be condensed. By arranging the cooling pipe 51 and the air return pipe 52 on the door body in a detour, increasing the length of the air return pipe 52 can sufficiently dissipate the cooling capacity. Wherein, the diameter of the cooling pipe 51 is larger than that of the return air pipe 52, which can improve the heat exchange efficiency of the heat exchanger.

Moreover, the refrigerant pipe 30 also includes a connecting portion 35 connected between the liquid storage bag 60 and the direct cooling section 32 , and the connecting portion 35 is bent from bottom to top and faces away from the ice-making chamber 13 on the bracket 15 in the horizontal direction. One side extends from the pivoting side adjacent to the door body and enters the ice making chamber 13 through two bends, thereby further increasing the length of the refrigerant pipe 30 to dissipate the cold.

Referring to Figure 10, the multiple bends formed on the door body by the cooling pipe 51 and the air return pipe 52 can be bent after extending vertically up and down. Specifically, the cooling pipe 51 and the air return pipe 52 can include 5- 15 vertical extensions, preferably 7-11 vertical extensions in this embodiment, not only ensure that every two vertical extensions have a preset interval, but also take into account the heat exchange effect and the full utilization of the door body space. Of course, the multiple bends formed by the cooling pipe 51 and the air return pipe 52 on the door body can also be bent after extending along the horizontal direction. The length improves the effect of heat exchange efficiency. In addition, the liquid storage bag 60 can be arranged in a cylindrical shape, and its axial direction is arranged parallel to the vertical extension of the heat exchanger 50, so as to facilitate assembly in the door body. Moreover, in order to prevent noise during operation of the liquid storage bag 60 , the outside of the liquid storage bag 60 can be wrapped with sound-insulating materials such as silica gel or foam to reduce noise.

The piping of the refrigeration system includes an inlet pipe 915 from the box body to the door body and a return pipe 916 from the door body to the box body. Both the inlet pipe 915 and the return pipe 916 pass through the hinge between the door body and the box body, and enter At least the part of the pipe 915 and the return pipe 916 passing through the hinge is wrapped by closed-cell foam, so that the inlet pipe 915 and the return pipe 916 will not be in contact with the air, and the problem of condensation on the pipe passing through the hinge part is solved. Further, the door body is provided with a protective pipe 16 extending downward from the hinge, and the inlet pipe 915 and the return pipe 916 can be wrapped in the protective pipe 16. In addition, the water pipe for supplying water to the ice making assembly can also be wrapped in the protective pipe 16. It is convenient for the assembly of the door body.

In addition, the heat exchanger 50 and the liquid storage bag 60 are preferably arranged on the insulation layer between the door shell 11 and the door liner 12. In order to facilitate the installation of the heat exchanger, a flat foam 17 can be set to support the heat exchanger 50 and the liquid storage bag. 60. The flat foam 17 can be pasted on the door shell 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 bonded to the rear side of the inner door liner 122 to keep heat Flat foam 17 is arranged between the layer and the heat exchanger 50, and the flat foam 17 is arranged between the insulation layer and the inner door liner 122, so that the heat exchanger 50 will not be in direct contact with the door body, and thus will not cause foaming Deformation of the door body. Wherein the insulation layer includes a foam material layer, and further, in order to enhance the insulation effect of the door body, the insulation layer can also include a VIP (vacuum insulation panel) layer 18 arranged between the door shell 11 and the door lining 12, flat foam 17 is pasted on the VI P layer 18, and the heat exchanger 50 will not be in direct contact with the VI P layer 18, so as not to cause condensation on the outside of the door body during the operation of the refrigerator.

In the refrigerator in the above embodiment, by setting the bracket 15 and the fixing piece 40 on the door body, it is convenient for the door body to foam after the refrigerant tube 30 is fixed in advance, so as to prevent the displacement of the refrigerant tube 30 during the foaming process, so that the door body 10 is made more reliably. In addition, by arranging the heat exchanger 50 and the liquid storage bag 60 on the door body 10, more cold energy can be dissipated, preventing the refrigerant from not fully evaporating and causing the pipeline of the refrigeration system to frost when it passes through the hinge of the door body , making the use of the refrigerator more reliable.

The present invention also relates to a method for manufacturing the door body of the refrigerator in the above embodiment, comprising the following steps:

Provide a door body with 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 compartment 13 for accommodating ice-making components;

Provide a bracket 15 for connecting the ice making assembly, assemble the upper door beam 14 and the door shell 11 together, and install the bracket 15 on the upper door beam 14;

A refrigerant pipe 30 for supplying cooling to the ice making assembly, the refrigerant pipe 30 extends from the door liner 11 near the pivoting side of the door body into the ice making chamber 13, and the refrigerant pipe 30 includes a fixed section near the pivoting side of the door body 31 and the direct cooling section 32 in contact with the ice making assembly, supporting the fixed section 31 on the bracket 15;

A fixing piece 40 is provided, and the fixing piece 40 is fixedly connected to the bracket 15 to limit the refrigerant pipe 30 between the fixing piece 40 and the bracket 15;

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

Foaming is carried out in the foaming space to extrude the bracket 15 and the door liner 12 to fit closely.

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 will not be displaced when the door body is foamed, so that the door body can be manufactured more reliably.

Specifically, the opening 123 includes a connected first opening 1231 and a second opening 1232, 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, and the bracket 15 includes a bracket The main body 153 and the support arm 154 extending from the pivoting side of the bracket body 153 adjacent to the door body. The support arm 154 extends to the rear part away from the door shell 11. First, the refrigerant pipe 30 is supported on the support arm 154, and then fixed 40 is installed on the supporting arm 154 to fix the refrigerant pipe 30. When the door liner 12 is combined with the back of the door casing 11, the bracket body 153 closes the first opening 1231, and the fixing member 40 and the supporting arm 154 abut against the second opening 1232. After foaming, a part of the fixing part 40 is located in the ice making chamber 13, so that the fixing part 40 and the bracket 15 can be further tightly fixed.

The above-mentioned manufacturing method also includes the following steps: providing a heat exchanger 50 and a liquid storage bag 60, and connecting the heat exchanger 50, the refrigerant tube 30 and the liquid storage bag 60 in a flow path, and the refrigerant tube 30 is connected to the liquid storage bag 60 The connection portion 35 between the direct cooling section 32 is bent from bottom to top and extends horizontally on the side of the support 15 facing away from the ice-making chamber 13 , and then enters the ice-making chamber 13 through two bends.

Further, the fixed section 32 of the refrigerant pipe 30 is fixedly connected with a positioning member 33, and the support arm 154 is provided with a first groove 1541 corresponding to the refrigerant pipe 30, and the refrigerant pipe 30 is installed on the support arm 154. In order to place the refrigerant pipe 30 in the first groove 1541 on the support arm 154, the positioning piece 33 is clamped on the support arm 154, and the refrigerant pipe 30 is limited by the positioning piece 33 and the support arm 154 along the direct cooling section 32. Move in the direction of extension, and then install the fixing member 40.

Wherein, the heat exchanger 50 includes a cooling pipe 51 connected between the refrigeration system and the liquid storage bag 60 and a return air pipe 52 connected between the refrigerant pipe 30 and the refrigeration system, the cooling pipe 51 and the return air pipe 52 are in contact with each other and A plurality of bends are formed 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 of the door shell 11, and then The door liner 12 is bonded to the back of the door shell 11 .

Two connecting sleeves 141 extend downward from the upper door beam 14, and two connecting struts 151 extend upward from the corresponding bracket 15, the peripheral wall of the connecting sleeve 141 is provided with a card slot 142, and the strut 151 is provided with a clamping block 152 To install the bracket 15 on the upper door beam 14 is to insert the two connecting pillars 151 into the corresponding connecting sleeves 141 until the clamping block 152 is clamped into the clamping groove 142 .

The fixing part 40 is provided with a second groove 441 for accommodating the refrigerant tube 30, the front and rear ends of the fixing part 40 are respectively provided with hooks or slots 411 and 412, and the corresponding bracket body 153 and the support arm 154 are respectively provided with The clamping parts 1531 and 1542 that are matched with the hook or the slot, the fixing member 40 protrudes downwards and two limiting plates 442 and 443 are arranged at intervals along the extending direction of the direct cooling section 32, The top of the support arm 154 forms a step shape, and the fixing part 40 is fixedly connected to the bracket 15. Specifically, the second groove 441 corresponds to the fixing section 31, and the fixing part 40 is pressed down so that the hooks or slots 411 at the front and rear ends of the fixing part 40 and 412 is connected with the corresponding clamping parts 1531 and 1542 , and the two limiting plates 442 and 443 are respectively clamped at both ends of the upper step 155 of the support arm 154 .

Through the above manufacturing method, the refrigeration pipe can be fixed on the bracket, and then the door body can be foamed to solve the problem that the refrigeration pipe cannot be assembled accurately. If the fixing is inaccurate, the left and right positions of the refrigeration pipe will deviate, and the ice-making assembly is difficult to install after foaming Or if it cannot be installed, the entire door body will be scrapped. Therefore, according to the above-mentioned manufacturing method, the probability of scrapping the door body after foaming is extremely small, thereby reducing the manufacturing cost of the door body.

It should be understood that although this description is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the description is only for clarity, and those skilled in the art should take the description as a whole, and each The technical solutions in the embodiments can also be properly combined to form other embodiments that can be understood by those skilled in the art.

The series of detailed descriptions listed above are only specific descriptions for feasible implementations of the present invention, and they are not intended to limit the protection scope of the present invention. Any equivalent implementation or implementation that does not depart from the technical spirit of the present invention All changes should be included within the protection scope of the present invention.

Claims (13)

1. A refrigerator, comprising:

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

the door body is movably connected with the box body and used for opening and closing the refrigeration compartment, the door body comprises a door shell and a door liner combined to the door shell, and when the door body is closed, the door liner at least partially stretches into the refrigeration compartment;

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

an ice making chamber defined by the door liner, the ice making chamber housing an ice making assembly, the ice making chamber being thermally insulated from the refrigeration compartment when the door is closed;

the refrigerator is characterized in that a heat exchanger connected with the refrigerating system, a refrigerant pipe connected with the heat exchanger and a liquid storage bag are arranged on the door body, a pipeline of the refrigerating system passes through a hinge of the door body and is connected with the heat exchanger, the refrigerant pipe comprises a direct cooling section contacted with the ice making assembly, the refrigerant from the refrigerating system sequentially passes through the heat exchanger, the liquid storage bag and the direct cooling section, and then returns to the refrigerating system from the heat exchanger, and the heat exchanger and the liquid storage bag are arranged between the door liner and the door shell.

2. The refrigerator of claim 1, wherein the heat exchanger and the liquid storage pack are sequentially disposed from a pivoting side adjacent to the door body to the other side, and the heat exchanger is connected to the liquid storage pack such that the refrigerant enters the liquid storage pack from top to bottom.

3. The refrigerator of claim 1, 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 body, and a diameter of the cooling pipe is larger than a diameter of the air return pipe.

4. The refrigerator of claim 1, further comprising a bracket coupled to the door liner and connected to the ice making assembly, wherein the refrigerant pipe includes a direct cooling section in direct contact with the ice making assembly, and further comprising a connection portion connected between the liquid storage pack and the direct cooling section, the connection portion being bent from bottom to top to extend in a horizontal direction on a side of the bracket facing away from the ice making chamber and to enter the ice making chamber from a pivoting side adjacent to the door body.

5. The refrigerator as claimed in claim 4, wherein the door body further includes a door upper beam coupled to the door housing and the door liner top, and the bracket is coupled to the door upper beam.

6. The refrigerator of claim 5, wherein the door upper beam extends downward to form at least two connecting sleeves, at least two connecting struts extend upward to form corresponding brackets, a clamping groove is formed in the peripheral wall of each connecting sleeve, a clamping block is arranged on each strut, the connecting struts are inserted into the corresponding sleeves, and the clamping blocks are clamped into the clamping grooves.

7. The refrigerator of claim 4, wherein the bracket includes a bracket body and a support arm extending from a pivoting side of the bracket body adjacent to the door body, the support arm extending toward a rear portion remote from the door housing, a portion of the refrigerant tube being supported on the support arm, a fixing member being coupled to the bracket, the fixing member being engaged with the support arm, a portion of the refrigerant tube being fixed between the fixing member and the support arm.

8. The refrigerator of claim 7, wherein the door liner is provided with a first opening and a second opening which are communicated, the first opening is positioned at the front part of the ice making chamber, the second opening is positioned at the side part of the ice making chamber adjacent to the pivoting side of the door body, the bracket seals the first opening, one part of the fixing piece and the supporting arm is abutted against the edge of the second opening, and the other part of the fixing piece and the supporting arm is positioned in the ice making chamber.

9. The refrigerator as claimed in claim 7, wherein a positioning member is fixedly coupled to the refrigerant pipe, the positioning member being coupled to the supporting arm, the supporting arm restricting movement of the refrigerant pipe along the extending direction of the direct cooling section by the positioning member.

10. The refrigerator of claim 1 wherein the refrigeration system piping comprises an inlet pipe from the cabinet to the door and a return pipe from the door to the cabinet, both of which pass through a hinge between the door and the cabinet, the inlet pipe and the return pipe being wrapped with closed cell foam at least through the hinge portion.

11. The refrigerator of claim 1, wherein a thermal insulation layer is provided between the door outer shell and the door liner, the door liner comprises an inner door liner forming the ice making chamber, a flat foam is provided between the thermal insulation layer and the heat exchanger, the heat exchanger is supported on the flat foam, and the flat foam is provided between the thermal insulation layer and the inner door liner.

12. The refrigerator of claim 11, wherein the liquid storage bag is wrapped with silica gel or foam, and the liquid storage bag is spaced from the heat exchanger and supported on the flat foam.

13. The refrigerator as claimed in claim 3, wherein the cooling pipe and the return air pipe are bent after being vertically extended in the up-down direction on the door body, the liquid storage pack is constructed in a cylindrical shape, and an axial direction of the liquid storage pack is parallel to a direction in which the cooling pipe and the return air pipe are vertically extended.

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