CN114963660B

CN114963660B - Door body for refrigerating and freezing device and refrigerating and freezing device

Info

Publication number: CN114963660B
Application number: CN202110189200.6A
Authority: CN
Inventors: 姜明亮; 赵欣; 杨发林
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: 2021-02-19
Filing date: 2021-02-19
Publication date: 2023-04-18
Anticipated expiration: 2041-02-19
Also published as: WO2022174622A1; CN114963660A

Abstract

The present invention relates to a door body for a refrigeration and freezing apparatus and a refrigeration and freezing apparatus. The door body comprises a frame and a decorative strip, the decorative strip is arranged at one end of the frame, a notch is formed in the frame, the decorative strip comprises a connecting plate and a sealing block, and one end, close to the side plate, of the connecting plate is inserted into the notch; the first part of the sealing block is in contact with and abutted against the rear plate and extends from one side of the fourth edge, which is away from the other end of the frame, to one side of the second edge, which is towards the other end of the frame; the second edge and the fourth edge are all located on the rear side of the first portion; the second portion of the sealing block is connected to the first portion, the second portion is in contact abutment with the back plate, and the second portion extends from a side of the third edge facing away from the side plate to a side of the first edge facing towards the side plate. Because the trim has connecting plate and sealed piece, and the frame has the breach, and the connecting plate inserts the breach, and sealed piece is used for sealing, improves the closure effect, has increased the degree of difficulty that overflows of foaming material, avoids foaming material to overflow from trim and frame complex side.

Description

Door body for refrigerating and freezing device and refrigerating and freezing device

Technical Field

The invention relates to the field of refrigerating devices, in particular to a door body for a refrigerating and freezing device and the refrigerating and freezing device.

Background

With the development of society, a refrigerator as a container capable of keeping food or other articles in a constant low-temperature cold state has become one of essential household appliances in modern families. The refrigerator may include a cabinet, a door, an evaporator, a compressor driving the evaporator, a condenser, a fan, and a controller. A refrigerating chamber, a freezing chamber and a cooling passage are defined in the cabinet. The front side of the box body is provided with an opening, and the opening at the front side of the box body is opened and closed by a door body.

The evaporator may be disposed in the cooling passage, the condenser may be disposed on an outer rear wall of the case, and the evaporator and the condenser may be driven by the compressor to constitute a refrigeration cycle, thereby cooling air in the cooling passage by heat exchange. The compressor may be disposed at a rear lower side in the case, for example. The fan is arranged at the communication position between the cooling channel and the refrigerating chamber and between the cooling channel and the freezing chamber, air can enter the cooling channel from the refrigerating chamber and the freezing chamber through the fan, and the fan can pump the air in the cooling channel into the refrigerating chamber and the freezing chamber. A controller may be coupled to the fan and the compressor for starting and stopping operation of the fan and the compressor, respectively. The controller is arranged on the front side of the top surface of the box body so as to be convenient for users to use and operate, or is arranged on the front surface of the door body.

The door body is assembled together by a plurality of parts, and the inventor finds that the matching gap exists between the parts, namely the gap exists in the internal matching, and the part is not shielded, in order to prevent the occurrence of flash, a sealing adhesive tape needs to be pasted inside, the operation space is narrow, the sealing effect is poor, so that the problem of flash (namely, the flash overflows from the gap) easily exists in the foaming process, and the adhesion of the overflowed flash and the appearance surface of the door body part is not well cleaned due to the characteristic relation of foaming, so that the condition that the door body is scrapped occurs.

Disclosure of Invention

The first aspect of the invention aims to overcome at least one defect of foaming of the existing refrigerator door body, and provides a door body for a refrigerating and freezing device, so as to prevent foaming materials from overflowing when the door body at a preset position is foamed.

A second aspect of the present invention is to provide a refrigerating and freezing apparatus having the door.

According to a first aspect of the present invention, there is provided a door body for a refrigerator-freezer, comprising a frame and a molding, the molding being mounted to one end of the frame, wherein,

the frame comprises a side plate and a rear plate, the side plate and the rear plate are both vertically arranged, one vertical edge of the rear plate is connected to the rear vertical edge of the side plate, a notch is formed in the other vertical edge of the rear plate, the vertical edge of the notch is a first edge, and the edge of the notch, which is close to the other end of the frame, is a second edge;

the decorative strip comprises a connecting plate and a sealing block, and one end of the connecting plate, which is close to the side plate, is inserted into the notch; the edge of the connecting plate close to the side plate is a third edge, and the edge of the connecting plate close to the other end of the frame is a fourth edge;

the sealing block is arranged on the front side of one end of the connecting plate, which is close to the side plate, and is provided with a first part and a second part;

the first part is in contact with and abutted against the rear plate, and the first part extends from one side of the fourth edge, which is away from the other end of the frame, to one side of the second edge, which is towards the other end of the frame; the second edge and the fourth edge are all on a rear side of the first portion;

the second part is connected with the first part and is positioned on one side of the first part, which is far away from the other end of the frame; the second portion is in contact with and abuts against the rear panel, the second portion extending from a side of the third edge facing away from the side panel to a side of the first edge facing towards the side panel.

Optionally, the third edge is in contact with and abuts against the first edge or a first gap is formed between the third edge and the first edge, and the width of the first gap is smaller than a first preset value;

the fourth edge is in contact with and abutted against the second edge or a second gap is formed between the fourth edge and the second edge, and the width of the second gap is smaller than a second preset value.

Optionally, the first portion and/or the second portion is in contact abutment with the side plate.

Optionally, the bezel further includes an inner plate, the inner plate is vertically disposed, a rear vertical edge of the inner plate is connected to another vertical edge of the rear plate, and the inner plate is located on one side of the notch facing the other end of the bezel; the first portion is in contact abutment with at least an edge of the inner panel adjacent the one end of the bezel.

Optionally, a plurality of first grooves extending in a vertical direction are arranged on one side of the sealing block, which faces away from the side plate; a plurality of second grooves are formed in one side, facing the side plate, of the sealing block, and are sequentially arranged at intervals in the vertical direction; the second groove close to the other end of the frame penetrates through the sealing block towards the other end of the frame.

Optionally, the first edge and the third edge are all on a rear side of the sealing block.

Optionally, the molding further includes a molding main body, the connecting plate and the sealing block are both connected to one side of the molding main body facing the other end of the frame, and an installation space with an opening facing the side plate is defined by one end of the molding main body installed on the frame, the connecting plate and the sealing block;

the back plate has and is located what deviate from of breach the back plate of one side of the frame other end, the back plate inserts installation space, just the rear surface of back plate with the trim main part contacts and supports and lean on.

Optionally, the frame further includes a mounting plate, the mounting plate is vertically disposed, a rear vertical edge of the mounting plate is connected to another vertical edge of the rear plate, and the mounting plate is located on one side of the notch away from the other end of the frame;

the mounting plate is provided with a connecting structure, and the connecting structure is arranged on one side of the mounting plate, which faces the side plate; the decoration strip main body is arranged corresponding to the connecting structure and is arranged on the connecting structure through a connecting piece. The mounting hole of the trim main body, which is arranged corresponding to the connecting structure and is vertically arranged, enables a connecting piece to be mounted on the connecting structure through the mounting hole to fix the frame and the trim.

Optionally, the door body further comprises a door liner, the door liner is mounted at the rear sides of the connecting plate and the rear plate, and the door liner covers the second edge and the fourth edge, and covers at least part of the first edge and the third edge;

the connecting plate has first board portion and second board portion, first board portion inserts the breach, the second board set up in the orientation of first board portion one side of the other end of frame, just the second board portion inserts the breach, deviating from of second board one side of curb plate with the junction of first board portion is the fillet, with fillet structure looks adaptation on the door lining.

According to a second aspect of the present invention, there is also provided a refrigerating and freezing apparatus, comprising a box body and a door body, wherein the door body is mounted on the box body, characterized in that any one of the door bodies is provided.

In the door body and the refrigerating and freezing device, the decoration strip is provided with the connecting plate and the sealing block, the frame is provided with the notch, the connecting plate is inserted into the notch, and the sealing block is used for sealing, so that the sealing effect is improved, the overflow difficulty of foaming materials is increased, and the foaming materials are prevented from overflowing from the side edge where the decoration strip is matched with the frame.

Furthermore, in the door body and the refrigerating and freezing device, the decoration strip is matched with the frame and is overlapped with the door liner, and the cross superposed surface is added at the corresponding position, so that the matching gap of the frame and the decoration strip is far away from the foaming material inside, and the overflow from the corner part of the door liner is avoided.

Furthermore, in the door body and the refrigeration and freezing device, the connecting plate is additionally provided with a fillet structure with a fillet matched with the door liner, so that the matching clearance between the door liner and the decoration strip and the frame is reduced, and the possibility of material overflow is reduced.

Furthermore, in the door body and the refrigerating and freezing device, the sealing block is arranged to separate the first edge and the third edge from the foaming material. The gap of the new foaming material overflowing the moving path can be controlled to be small and can be within 0.5mm, and the overflowing of the corner part of the door liner can be effectively prevented.

Furthermore, in the door body and the refrigerating and freezing device, the first groove or the second groove can be used for containing a small amount of foaming materials which possibly overflow, so that the overflow difficulty of the foaming materials is increased, and the foaming materials are prevented from overflowing from the side edge where the decorative strip is matched with the frame.

Furthermore, in the door body and the refrigerating and freezing device, the sealing block is arranged and inserted between the inner plate and the rear plate, so that the left-right direction, namely the transverse direction, and the limiting function can be realized on the frame, and the frame and the decorative strip are matched more tightly.

Furthermore, in the door body and the refrigerating and freezing device, the limit of the frame and the decorative strip in the up-down direction can be realized by folding the metal plate at the corresponding end part of the side plate and inserting the metal plate into the gap of the decorative strip for limiting, or by connecting the metal plate with a screw. In particular, the mounting plate, the connecting mechanism and the connecting piece can be matched with each other to be fixedly connected, and at least the fixing device can be used for positions which cannot be directly fixed by screws.

The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof taken in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the invention will be described in detail hereinafter by way of example and not by way of limitation with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily to scale. In the drawings:

FIG. 1 is a schematic partial block diagram of a door body according to one embodiment of the present invention;

FIG. 2 is a schematic partial block diagram of a door body according to one embodiment of the present invention;

FIG. 3 is a schematic exploded view of a portion of a door body according to one embodiment of the present invention;

FIG. 4 is a schematic exploded view of a partial structure of a door body according to an embodiment of the present invention

FIG. 5 is a schematic partial structural view of a trim strip in the door body of FIG. 1;

FIG. 6 is a schematic partial block diagram of a trim strip in the door body of FIG. 1;

FIG. 7 is an interior schematic view of a portion of a door body according to one embodiment of the present invention;

fig. 8 is an internal schematic view of a partial structure of a door body according to an embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

The invention provides a door body for a refrigeration and freezing device, and fig. 1 is a schematic partial structure diagram of the door body according to one embodiment of the invention; referring to fig. 1 and 2 to 8, the door body according to the embodiment of the present invention includes a frame 10 and a molding 20.

The molding 20 is mounted to one end of the bezel 10. For example, the molding 20 is disposed at the upper end of the frame 10. Further, another decorative structure may be provided at the lower end of the frame 10. In some alternative embodiments, the decoration strip 20 may also be disposed at the lower end of the frame 10. In other alternative embodiments, the number of the decoration strips 20 is two, and the two decoration strips are respectively arranged at the upper end and the lower end of the frame 10.

In the present embodiment, the bezel 10 includes side panels 11 and a rear panel 12. The side plates 11 and the rear plate 12 are both vertically arranged. Moreover, a vertical edge of the back plate 12 is connected to a vertical edge of the back side of the side plate 11, a notch 13 is formed in another vertical edge of the back plate 12, the vertical edge of the notch 13 is a first edge, and an edge of the notch 13 close to the other end of the frame 10 is a second edge. For example, when the decoration strip 20 is disposed at the upper end of the frame 10, the lower edge of the notch 13 is the second edge.

The molding strip 20 includes a connecting plate 21 and a sealing block 22. One end of the connecting plate 21 adjacent to the side plate 11 is inserted into the notch 13. The edge of the connecting plate 21 adjacent to the side plate 11 is a third edge, i.e., the vertical edge of the connecting plate 21 toward the side plate 11 is a third edge. The edge of the connecting plate 21 adjacent to the other end of the frame 10 is a fourth edge. For example, when the molding 20 is disposed at the upper end of the bezel 10, the lower edge of the connecting plate 21 is a fourth edge.

The sealing block 22 is disposed on a front side of the connecting plate 21 adjacent to one end of the side plate 11, the sealing block 22 having a first portion and a second portion. The first part is in contact against the back plate 12 and extends from the side of the fourth edge facing away from the other end of the frame 10 to the side of the second edge facing towards the other end of the frame 10. The second edge and the fourth edge are all on the rear side of the first portion. The second part is connected to the first part and is located on the side of the first part facing away from the other end of the frame 10. A second portion abuts against the rear panel 12, the second portion extending from the side of the third edge facing away from the side panel 11 to the side of the first edge facing towards the side panel 11.

In the door body of the embodiment of the invention, the decoration strip 20 is provided with the connecting plate 21 and the sealing block 22, the frame 10 is provided with the notch 13, the connecting plate 21 is inserted into the notch 13, and the sealing block 22 is used for sealing, so that the sealing effect is improved, the overflow difficulty of the foaming material is increased, and the foaming material is prevented from overflowing from the side edge where the decoration strip 20 is matched with the frame 10. In particular, the first portion is used to close the second and fourth edges, and at least the portions of the first and third edges. The second part is used for partially or completely sealing the rest parts of the first edge and the third edge, the sealing effect is excellent, the overflow difficulty of the foaming material is obviously increased, and the foaming material is prevented from overflowing from the side edge where the decorative strip 20 and the frame 10 are matched.

In some embodiments of the invention, the third edge is in contact against the first edge. In other examples of the present invention, the third edge and the first edge have a first gap therebetween due to machining or the like, and the width of the first gap is smaller than the first preset value, for example, the structure of the present invention is configured such that the width of the first gap can be within 0.5 mm.

Likewise, in some embodiments of the invention, the fourth edge is in contact against the second edge. In other examples of the present invention, the fourth edge and the second edge have a second gap therebetween due to machining or the like, and the width of the second gap is smaller than the second preset value, for example, the structure of the present invention is configured such that the width of the first gap can be within 0.5 mm.

In the door body according to the embodiment of the present invention, the sealing block 22 is disposed to isolate the first edge and the third edge from the foaming material. The gap of the new foaming material overflow moving path can be controlled to be small and can be within 0.5mm, and the overflow of the corner part of the door liner 30 can be effectively prevented.

In some preferred embodiments of the present invention, the sealing block 22 may be in contact against the side plate 11, for example, the first portion is in contact against the side plate 11, or the second portion is in contact against the side plate 11, or both the first portion and the second portion are in contact against the side plate 11. The arrangement enables the side of the sealing block 22 facing away from the foaming space to be provided with a cavity structure, so that the design of the door body is facilitated.

In some preferred embodiments of the present invention, as shown in fig. 3, 4 and 7, the bezel 10 further includes an inner panel 14, the inner panel 14 is vertically disposed, a rear vertical edge of the inner panel 14 is connected to another vertical edge of the rear panel 12, and the inner panel 14 is located at a side of the notch 13 facing the other end of the bezel 10. The first portion is in contact abutment with at least the edge of the inner panel 14 adjacent one end of the surround 10. In the door body according to the embodiment of the present invention, the sealing block 22 is inserted between the inner panel 14 and the rear panel 12, and can perform a left-right direction, i.e., a transverse direction, and a limiting function on the frame 10, so that the frame 10 and the molding 20 are more tightly fitted.

Further, as shown in fig. 5 to 8, a side of the sealing block 22 facing away from the side plate 11 is provided with a plurality of first grooves 23 extending in the vertical direction. One side of the sealing block 22 facing the side plate 11 is provided with a plurality of second grooves 24, and the plurality of second grooves 24 are sequentially arranged at intervals along the vertical direction. A second groove 24 adjacent the other end of the rim 10 extends through the sealing block 22 towards the other end of the rim 10. The arrangement of the first groove 23 or the second groove 24, especially the arrangement of the first groove 23, can be used for accommodating a small amount of foaming material which may overflow, so that the overflow difficulty of the foaming material is increased, and the foaming material is prevented from overflowing from the side edge where the decoration strip 20 and the frame 10 are matched.

In some examples of the invention, the first edge and the third edge are all on the back side of the sealing block 22. Of course, the sections of the first and third edges remote from the foaming space may also not be on the rear side of the sealing block 22. For example, when the molding 20 is disposed at the upper end of the bezel 10, the upper partial sections of the first and third edges may not be located at the rear side of the seal block 22.

In some embodiments of the present invention, the molding 20 further includes a molding body, and the connecting plate 21 and the sealing block 22 are connected to a side of the molding body facing the other end of the bezel 10. For example, when the molding 20 is disposed at the upper end of the frame 10, the connecting plate 21 and the sealing block 22 are both connected to the lower side of the molding body. The end of the molding body mounted to the bezel 10 defines, together with the connecting plate 21 and the seal block 22, a mounting space 27 that opens toward the side plate 11. For example, the molding main body has a rear limiting plate 25, and the connecting plate 21 is connected to the front side of the rear limiting plate 25. When the decoration strip 20 is disposed on the upper end of the frame 10, the upper end surface of the connection plate 21 and the upper end surface of the sealing block 22 define a lower wall surface of the installation space 27.

Further, a portion of the molding main body inserted into the bezel 10 may be in contact with the side plate 11. If the molding main body has a sealing structure 26 inserted into the frame 10, the sealing structure 26 may be a block shape, and a plurality of third grooves are provided toward one side of the side plate 11, and the plurality of third grooves are sequentially spaced in the vertical direction. The seal structure 26 is in contact abutment with the side plate 11. The sealing structure 26 is connected to the second portion of the sealing block 22, the sealing structure 26 defining a vertically disposed side wall face of the mounting space 27, and the rear defining plate 25 may define another vertically disposed side wall face of the mounting space 27.

In this embodiment of the invention, the rear plate 12 has a rear plate portion on the side of the notch 13 facing away from the other end of the bezel 10, the rear plate portion is inserted into the mounting space 27, and the rear surface of the rear plate portion is in contact abutment with the molding main body. Specifically, the rear plate portion is in contact abutment with the rear defining face of the molding main body. The rear plate portion may also be in contact abutment with the connecting plate 21 or disposed at a spacing.

In some embodiments of the present invention, as shown in fig. 3 and 4, and fig. 7 and 8, the bezel 10 further includes a mounting plate 15, the mounting plate 15 is vertically disposed, a rear vertical edge of the mounting plate 15 is connected to another vertical edge of the rear plate 12, and the mounting plate 15 is located on a side of the notch 13 facing away from the other end of the bezel 10. The mounting plate 15 may be provided with structures to be mounted.

For example, the attachment plate 15 has the attachment structure 17 attached thereto, and the attachment structure 17 is provided on a side of the attachment plate 15 facing the side plate 11. The decoration strip main body is arranged corresponding to the connecting structure 17 and is arranged on the connecting structure 17 through a connecting piece 16. The mounting hole of the molding main body, which is arranged corresponding to the connecting structure 17 and is vertically arranged, enables the connecting piece 16 to be mounted on the fixed frame 10 and the molding 20 of the connecting structure 17 through the mounting hole.

The connecting structure 17 may be made of a plastic material and includes a hollow square cylinder 171, and a screw mounting post 172 disposed on the hollow square cylinder 171. The mounting plate 15 is provided with a mounting hole and a positioning hole, the hollow square cylinder 171 is provided with a positioning protrusion and a riveting hole, the hollow square cylinder 171 is arranged on one side of the mounting plate 15 facing the side plate 11, the positioning protrusion is inserted into the positioning hole, the mounting hole and the riveting hole are riveted by rivets to fix the connecting structure 17 on the frame 10, and then the connecting member 16 is a screw and is mounted on the screw mounting column 172 to fix the frame 10 and the decoration strip 20 together.

In the door body in the embodiment of the invention, the up-and-down limiting of the frame 10 and the decoration strip 20 can be realized by folding the sheet metal at the corresponding end of the side plate 11 and inserting the sheet metal into the gap of the decoration strip 20 for limiting, or by adopting a screw connection mode for limiting. In particular, the mounting plate 15, the connecting mechanism and the connecting piece 16 can also be fixedly connected in a mutually matched manner, at least for positions which cannot be directly fixed by screws.

In the embodiment of the present invention, the door body further includes a door liner 30, the door liner 30 is mounted to the rear sides of the connecting plate 21 and the rear plate 12, and the door liner 30 covers the second and fourth edges and at least portions of the first and third edges. The connecting plate 21 has first board portion and second board portion, and breach 13 is inserted to first board portion, and the second board portion sets up in one side of the other end towards frame 10 of first board portion, and breach 13 is inserted to the second board portion, and the junction that deviates from one side of curb plate 11 and first board portion of second board portion is the fillet, with the fillet structure looks adaptation on the door liner 30.

In the door body of the embodiment of the invention, the decorative strip 20 is matched with the frame 10 and is overlapped with the door liner 30, and the cross superposed surface is added at the corresponding position, so that the matching gap between the frame 10 and the decorative strip 20 is far away from the foaming material inside, and the overflow from the corner part of the door liner 30 is avoided. The connecting plate 21 increases the round angle structure of the round angle matching with the door liner 30, reduces the matching clearance between the door liner 30 and the decoration strip 20 and the frame 10, and reduces the possibility of flash. The sealing block 22 is positioned so that the first edge and the third edge are isolated from the foam. The gap of the new foaming material overflow moving path can be controlled to be small and can be within 0.5mm, and the overflow of the corner part of the door liner 30 can be effectively prevented.

The embodiment of the invention also provides a refrigerating and freezing device which comprises a box body, wherein a plurality of storage compartments are limited in the box body. Furthermore, the refrigerating and freezing device also comprises at least one door body for opening and closing the plurality of storage compartments. The refrigerating and freezing device can be a refrigerator, a freezer and the like. Particularly, one or more of the door bodies can be the door bodies in any of the embodiments, when the door bodies are foamed, the overflow difficulty of the foaming material is high, the quality of the door bodies can be ensured, and the condition that the overflowing foaming material is not easy to clean due to adhesion with the appearance surface of the door body part, so that the door bodies are scrapped is avoided. Further, the door body is rotatably mounted to the case.

The refrigerating and freezing device also comprises a compression refrigeration system for supplying cold for each storage compartment. A compressor refrigeration system may include a compressor, a condenser, a throttling element, and an evaporator connected in series. The evaporator can be arranged in the storage room or communicated into the storage room, so that cold energy is provided for the storage room.

In the embodiment of the invention, in the compression refrigeration system, the compressor plays a role in the refrigeration system mainly for absorbing the refrigerant with low temperature and low pressure from the evaporator, and finally becoming the refrigerant with high temperature and high pressure after adiabatic compression of the compressor.

The condenser in a refrigeration system serves to introduce a high-temperature and high-pressure refrigerant in a compressor into the condenser, condense the refrigerant at an equal pressure, and dissipate heat to a surrounding medium to turn the refrigerant into a high-pressure and low-temperature refrigerant cold liquid.

The throttling device plays a role in a refrigeration system mainly for converting a high-pressure low-temperature refrigerant into a low-temperature low-pressure refrigerant after being subjected to isenthalpic throttling, and then sending the refrigerant into an evaporator.

In a refrigeration system, an evaporator mainly boils a low-temperature and low-pressure refrigerant passing through a throttling device under the condition of constant pressure of the evaporator, and the refrigerant absorbs heat of a surrounding medium in the boiling process and finally becomes the low-temperature and low-pressure refrigerant.

In summary, refrigerant gas in a compression refrigeration system is compressed into high-temperature and high-pressure superheated refrigerant when passing through a compressor, the superheated refrigerant enters a condenser, the high-temperature and high-pressure refrigerant is condensed into high-pressure and low-temperature liquid in the condenser, the liquid enters a filter and then passes through a throttling device and the like, the refrigerant is subjected to intermediate enthalpy throttling in a capillary tube and is changed into low-temperature and low-pressure refrigerant, then the low-temperature and low-pressure refrigerant is boiled in an isobaric evaporator to absorb a large amount of external heat and is changed into gas, a refrigeration process is realized, and finally the refrigerant is sucked by the compressor again to perform a cold cycle.

In some embodiments of the invention, one of the storage compartments is a refrigeration compartment. Further, the refrigerating compartment can be positioned at the upper part in the box body and is limited and formed by the refrigerating liner. The evaporator provides cold energy to the refrigerating compartment through the air duct assembly.

In some embodiments of the present invention, one of the storage compartments is a temperature-changing compartment. The evaporator provides cold energy to the temperature-changing chamber through the air duct component. Further, the temperature-changing chamber can be located in the middle or the lower part of the box body, and the temperature-changing chamber can be limited by the temperature-changing liner.

In some embodiments of the invention, one of the storage compartments is a freezer compartment. The generator provides cold to the freezer compartment through the duct assembly. Further, the freezing chamber can be positioned at the lower part in the box body, and the freezing chamber can be limited and formed by the temperature-changing liner. For example, the temperature-changing compartment may be between a freezing compartment and a refrigerating compartment.

Further, the storage temperature in the freezing chamber can be between-24 and-14 ℃, the storage temperature in the refrigerating chamber can be between 0 and 8 ℃, and the storage temperature in the variable temperature chamber can be between-14 and 0 ℃.

In some embodiments of the invention, the throttling device and the evaporator comprise a refrigeration evaporator and a refrigeration throttling element connected in series. A refrigeration evaporator may be provided within or access to the freezer compartment to provide refrigeration to the freezer compartment.

In some embodiments of the invention, the throttling device and evaporator further comprise a refrigeration evaporator and a refrigeration throttling element connected in series, the refrigeration evaporator and refrigeration throttling element being connected in parallel with the freezing evaporator and freezing throttling element connected in series. The refrigeration evaporator may be disposed within or accessible to the refrigeration compartment to provide refrigeration to the refrigeration compartment.

In some embodiments of the invention, the throttling means and the evaporator further comprise a temperature swing evaporator and a temperature swing throttling element connected in series, the temperature swing evaporator and the temperature swing throttling element being connected in parallel with the freezing evaporator and the freezing throttling element connected in series. The temperature-changing evaporator can be arranged in the temperature-changing chamber or communicated to the temperature-changing chamber so as to provide cold energy for the temperature-changing chamber.

In other embodiments, the refrigerating and freezing device may also be not limited to a three-compartment refrigerator structure disposed up and down, and may also be a cross side-by-side refrigerator, or a multi-door refrigerator. In other embodiments, the refrigerating and freezing device can also be a wine cabinet, a vertical refrigerator, a horizontal refrigerator or the like. In other embodiments, the refrigerating and freezing device can also be other various special-shaped refrigerating and freezing devices.

It will also be understood by those skilled in the art that terms used in the embodiments of the present invention to refer to orientation or positional relationship are based on the actual use of the refrigeration and freezing apparatus, and these terms are used only for convenience of description and understanding of the technical solutions of the present invention, and do not indicate or imply that the apparatus referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Unless otherwise expressly stated or limited, the terms "coupled," "connected," and the like are to be construed broadly and can include, for example, direct coupling, indirect coupling via an intermediary, and the interconnection of two elements or the interaction of two elements unless expressly stated or limited otherwise. Those skilled in the art should understand the specific meaning of the above terms in the present invention according to specific situations.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

It will be further understood by those within the art that the terms "first", "second", and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to imply that the number of technical features indicated is significant. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature, i.e., one or more such features.

Unless otherwise defined, all terms (including technical and scientific terms) used in the description of the present embodiment have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.

Claims

1. A door body for a refrigerating and freezing device comprises a frame and a decorative strip, wherein the decorative strip is arranged at one end of the frame,

2. The door body of claim 1,

the third edge is in contact with and abuts against the first edge or a first gap is formed between the third edge and the first edge, and the width of the first gap is smaller than a first preset value;

3. The door body of claim 1,

the first portion and/or the second portion is in contact against the side plate.

4. The door body of claim 1,

the frame further comprises an inner plate, the inner plate is vertically arranged, the rear vertical edge of the inner plate is connected to the other vertical edge of the rear plate, and the inner plate is positioned on one side of the notch, which faces the other end of the frame; the first portion is in contact abutment with at least an edge of the inner panel adjacent the one end of the bezel.

5. The door body of claim 1,

one side of the sealing block, which is far away from the side plate, is provided with a plurality of first grooves extending along the vertical direction; a plurality of second grooves are formed in one side, facing the side plate, of the sealing block, and are sequentially arranged at intervals in the vertical direction; the second groove close to the other end of the frame penetrates through the sealing block towards the other end of the frame.

6. The door body of claim 1,

the first edge and the third edge are all on a rear side of the sealing block.

7. The door body of claim 1,

the decoration strip also comprises a decoration strip main body, the connecting plate and the sealing block are connected to one side of the decoration strip main body facing to the other end of the frame, and an installation space with an opening facing to the side plate is defined by one end of the decoration strip main body installed on the frame, the connecting plate and the sealing block;

the backplate has to be located deviating from of breach the back board of one side of the frame other end, back board inserts installation space, just the rear surface of back board with the trim main part contacts and supports and leans on.

8. The door body of claim 7,

the frame further comprises a mounting plate, the mounting plate is vertically arranged, the rear vertical edge of the mounting plate is connected to the other vertical edge of the rear plate, and the mounting plate is positioned on one side of the notch, which is far away from the other end of the frame;

the mounting plate is provided with a connecting structure, and the connecting structure is arranged on one side of the mounting plate, which faces the side plate; the decoration strip main body is arranged corresponding to the connecting structure and is arranged on the connecting structure through a connecting piece.

9. The door body according to claim 1, further comprising a door liner mounted to a rear side of the connecting panel and the rear panel, the door liner covering the second edge and the fourth edge and covering at least a portion of the first edge and the third edge;

the connecting plate has first board and second board, first board inserts the breach, the second board set up in the orientation of first board one side of the other end of frame, just the second board inserts the breach, deviating from of second board one side of curb plate with the junction of first board is the fillet, with fillet structure looks adaptation on the door liner.

10. A refrigerating and freezing device, comprising a box body and a door body, wherein the door body is mounted on the box body, and the door body is the door body according to any one of claims 1 to 9.