Refrigeration equipment

By splitting the refrigerator's top cover into an upper trim strip and a hinge block, the problem of high production costs caused by the complex structure of the top cover is solved, resulting in simpler manufacturing and more convenient hinge installation and maintenance.

CN223755653UActive Publication Date: 2026-01-02HISENSE(SHANDONG)REFRIGERATOR CO LTD
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Patent Information

Application Number
CN202520202064.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-08
Publication Date
2026-01-02
Estimated Expiration
2035-02-08

AI Technical Summary

Technical Problem

The existing refrigerator top cover has a complex structure, which leads to high production costs and is inconvenient to manufacture.

Method used

The upper cover is split into an upper trim strip and a hinge block. The hinge block has a cavity for accommodating the hinge. The hinge is installed after foaming to avoid affecting the foaming cavity.

Benefits of technology

The structure of the top cover has been simplified, production costs have been reduced, and the installation and maintenance of the hinges are facilitated.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides refrigeration equipment which comprises a box body and a box door arranged on the front side of the box body. The box door comprises a door panel, a door liner and an upper end cover; the door liner is arranged on the rear side of the door panel; a foaming cavity is formed between the door liner and the door panel; the upper end cover comprises an upper decoration strip and a hinge block, and a containing cavity used for being connected with a hinge is formed in the hinge block. Compared with an integral structure of the upper end cover, the upper end cover is divided into the upper decoration strip and the hinge block, the size of the single upper decoration strip and the hinge block is smaller, the structure of the single part is simpler, and therefore manufacturing is more convenient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of household electrical appliances, in particular to a refrigeration equipment. BACKGROUND

[0002] The refrigerator is a kind of refrigeration equipment that keeps constant low temperature, and it is also a kind of appliance that keeps constant low temperature cold state for food or other objects. With the development of science and technology and the improvement of people's living standards, the refrigerator has become an essential appliance in life and production.

[0003] When designing and manufacturing the refrigerator, a hinge is arranged between the upper end cover of the door and the cabinet to realize the opening and closing of the door, so as to facilitate the taking and placing of objects in the refrigerator.

[0004] In the related art, the upper end cover of the door is an integral whole, and the upper end of the upper door is closed by the upper end cover. In addition, a complex structure needs to be arranged on the upper end cover to set the hinge, so that the structure of the upper end cover is relatively complex and the production cost is high. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a refrigeration equipment, which splits the upper end cover into upper decorative strips and hinge blocks, the size of single upper decorative strip and hinge block is smaller, and the structure of single component is simpler, so that it is more convenient to manufacture.

[0006] To solve the above technical problems, the utility model adopts the following technical scheme:

[0007] According to one aspect of the utility model, the utility model provides a refrigeration equipment, which comprises a cabinet and a door arranged on the front side of the cabinet. The door comprises a door panel, a door liner and an upper end cover. The door liner is arranged on the rear side of the door panel. A foaming cavity is formed between the door liner and the door panel. The upper end cover comprises upper decorative strips and hinge blocks. The upper decorative strips extend along the left-right direction. The upper decorative strips cover the upper ends of the door liner and the door panel. The hinge blocks cover the upper ends of the door liner and the door panel. The hinge blocks and the upper decorative strips are arranged along the left-right direction, and the hinge blocks are located at the corners of the door. One end of the hinge blocks in the left-right direction abuts against the upper decorative strips to jointly close the upper ends of the door liner and the door panel with the upper decorative strips. The upper surfaces of the hinge blocks are formed with downwardly recessed accommodating cavities for accommodating hinges.

[0008] The above technical features have at least the following advantages and benefits:

[0009] The upper end cover comprises upper decorative strips and hinge blocks, and the accommodating cavities for connecting the hinges are arranged on the hinge blocks. Compared with the structure in which the upper end cover is an integral whole, the upper end cover is split into upper decorative strips and hinge blocks, the size of single upper decorative strip and hinge block is smaller, and the structure of single component is simpler, so that it is more convenient to manufacture.

[0010] The accommodating cavity is formed in the upper surface of the hinge block, so that the accommodating cavity and the foaming cavity of the door are isolated, and the arrangement of the hinge in the accommodating cavity does not affect the foaming of the door.

[0011] In some embodiments of the present application, the hinge comprises a hinge seat and a hinge plate; the hinge seat is detachably positioned in the accommodating cavity; the hinge plate is located outside the accommodating cavity and connected to the cabinet; a hinge shaft is arranged between the hinge plate and the hinge seat; and the two ends of the hinge shaft are connected to the hinge seat and the hinge plate, respectively.

[0012] The above technical features have at least the following beneficial effects and advantages:

[0013] The upper end of the accommodating cavity is open, and the hinge seat is detachably positioned in the accommodating cavity, which facilitates the disassembly of the hinge shaft from the accommodating cavity, the disassembly of the hinge and the door, and the maintenance and repair of the refrigeration equipment.

[0014] In some embodiments of the present application, the hinge seat comprises a limiting plate and a first protrusion; the limiting plate is abutted on the side of the accommodating cavity; the first protrusion protrudes downward from the limiting plate; a recessed first sliding rail is formed above the first protrusion on the upper surface of the limiting plate; the hinge shaft is detachably arranged in the first sliding rail; and the outer periphery of the first protrusion is abutted on the side wall of the accommodating cavity.

[0015] The above technical features have at least the following beneficial effects and advantages:

[0016] The hinge shaft is arranged in the first sliding rail, and the first sliding rail limits the hinge shaft to rotate relative to the hinge shaft. The hinge shaft is detachably arranged in the first sliding rail, and the hinge shaft can be separated from the hinge seat, thereby facilitating the installation and maintenance between the hinge plate and the hinge shaft.

[0017] In some embodiments of the present application, a second protrusion protruding downward is formed on the limiting plate; a recessed second sliding rail is formed above the second protrusion on the upper surface of the limiting plate; and a protruding sliding shaft is formed on the hinge plate, the sliding shaft is arranged in the second sliding rail and can slide along the second sliding rail.

[0018] The above technical features have at least the following beneficial effects and advantages:

[0019] The sliding shaft is arranged in the second sliding rail and can slide along the second sliding rail. The first sliding rail and the second sliding rail together guide the rotation of the hinge plate, and the hinge plate and the hinge seat are connected through double shafts, so that the connection between the hinge plate and the hinge seat is more reliable and stable.

[0020] In some embodiments of the present application, a step is formed on the circumferential wall of the accommodating cavity; the circumferential side of the second protrusion abuts against the side of the step.

[0021] The above technical features have at least the following beneficial effects and advantages:

[0022] The abutment of the second protrusion on the side of the step can limit the hinged seat, enhance the structural strength of the second protrusion, and enhance the reliability of the hinged seat being limited in the hinged block.

[0023] In some embodiments of the present application, a protruding limiting protrusion is formed above the step on the circumferential wall of the accommodating cavity;

[0024] A protruding stop protrusion is formed on the limiting plate or the second protrusion; the stop protrusion can stop at the lower end of the limiting protrusion.

[0025] The above technical features have at least the following beneficial effects and advantages:

[0026] The stop protrusion can stop at the lower end of the limiting protrusion, thereby limiting the upward movement of the hinged seat relative to the hinged block.

[0027] In some embodiments of the present application, the hinge further comprises a track plate; the track plate is attached to the upper end of the hinged seat, the circumferential side of the track plate is attached to the circumferential wall of the accommodating cavity; the track plate covers the upper end opening of the accommodating cavity.

[0028] The above technical features have at least the following beneficial effects and advantages:

[0029] The track plate is limited in the accommodating cavity, the track plate covers the upper end opening of the accommodating cavity, thereby effectively preventing foreign matter from entering the accommodating cavity, and protecting the accommodating cavity and the hinged seat.

[0030] In some embodiments of the present application, a protruding limiting rib is formed on the side of the hinged block facing the upper trim strip, the limiting rib is attached to the side of the upper trim strip facing the foaming cavity; the limiting rib extends along the edge of the upper trim strip facing the hinged block.

[0031] The above technical features have at least the following beneficial effects and advantages:

[0032] The attachment between the limiting rib and the upper trim strip can form a sealing effect between the upper trim strip and the hinged block, thereby reducing the probability of overflow between the upper trim strip and the hinged block.

[0033] In some embodiments of the present application, the box door further comprises left and right frames, the left and right frames are closed on one side of the door panel and the door liner in the left-right direction; the upper end of the left and right frames is attached and limited on the hinged block.

[0034] The above technical features have at least the following beneficial effects and advantages:

[0035] The upper ends of the left and right frames are attached to and limited on the hinge block to close the connection between the hinge block and the left and right frames, thereby effectively avoiding overflow between the hinge block and the left and right frames.

[0036] In some embodiments of the present application, the front and rear sides of the hinge block are respectively formed with protruding positioning protrusions; the left and right frames include an extension plate extending vertically, and wing plates extending from the front and rear sides of the extension plate respectively towards the middle part of the cabinet door; the wing plates are attached to the hinge block on the side facing the foaming cavity; the wing plates are provided with positioning holes; the positioning protrusions are engaged in the positioning holes.

[0037] The above technical features have at least the following beneficial effects and advantages:

[0038] The attachment of the two wing plates and the extension plate on the hinge block keeps the sealed connection between the left and right frames and the hinge block, and the cooperation between the positioning holes and the positioning protrusions facilitates the limiting of the left and right frames on the hinge block.

[0039] Other characteristics and advantages of the present application will become apparent from the following detailed description, or will be learned by practice of the present application.

[0040] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the present application. BRIEF DESCRIPTION OF DRAWINGS

[0041] The drawings incorporated in the specification and constituting a part of it illustrate embodiments consistent with the present disclosure and, together with the specification, serve to explain the principles of the present disclosure. Obviously, the drawings in the following description are only some embodiments of the present disclosure, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0042] Figure 1 is a structural schematic diagram of the refrigeration equipment of the present application.

[0043] Figure 2 is a structural schematic diagram of the cabinet door from one perspective of the present application.

[0044] Figure 3 is a structural schematic diagram of the cabinet door from another perspective of the present application.

[0045] Figure 4 is an exploded schematic diagram of the cabinet door of the present application.

[0046] Figure 5 Figure 1 is a structural schematic diagram of the fence of the utility model.

[0047] Figure 6 Figure 2 is a partial structural schematic diagram of the box door of the utility model.

[0048] Figure 7 Figure 3 is an exploded schematic diagram of the partial structure of the box door of the utility model.

[0049] Figure 8 Figure 4 is a structural schematic diagram of the upper moulding strip of the utility model.

[0050] Figure 9 Figure 5 is a sectional view of the upper moulding strip of the utility model.

[0051] Figure 10 Figure 6 is a structural schematic diagram of one view angle of the hinge block of the utility model.

[0052] Figure 11 Figure 7 is a structural schematic diagram of another view angle of the hinge block of the utility model.

[0053] Figure 12 Figure 8 is a sectional view of the hinge block of the utility model.

[0054] Figure 13 Figure 9 is a structural schematic diagram of the left and right side frames of the utility model.

[0055] Figure 14 Figure 10 is a connection schematic diagram of the left and right side frames on the hinge block of the utility model.

[0056] Figure 15 Figure 11 is a structural schematic diagram of the hinge of the utility model.

[0057] Figure 16 Figure 12 is an exploded schematic diagram of the hinge of the utility model.

[0058] Figure 17 Figure 13 is a structural schematic diagram of the hinge plate of the utility model.

[0059] Figure 18 Figure 14 is a structural schematic diagram of the hinge seat of the utility model.

[0060] Figure 19 Figure 15 is a cooperation schematic diagram of the hinge seat on the hinge block of the utility model.

[0061] Figure 20 Figure 16 is a structural schematic diagram of the trajectory plate of the utility model.

[0062] The reference signs are explained as follows: 10, box door; 20, box body; 100, door panel; 200, door liner; 300, upper end cover; 310, upper trim; 311, handle groove; 312, front wall; 313, rear wall; 314, bottom wall; 315, lap protrusion; 316, horizontal wall; 317, stop wall; 318, connecting lug;

[0063] 400, lower end cover; 500, left and right frame; 510, extension plate; 520, wing plate; 530, positioning hole; 600, hinged block; 601, abutting edge; 610, accommodating cavity; 611, step; 612, limiting protrusion; 620, hinged part; 630, sealing part; 631, first region; 632, second region; 640, limiting rib; 650, avoidance cavity; 660, positioning protrusion;

[0064] 700, hinge; 710, hinged seat; 711, limiting plate; 712, first sliding rail; 713, second sliding rail; 714, first protrusion; 715, second protrusion; 716, stop protrusion; 717, through hole; 720, hinged plate; 721, hinged shaft; 722, sliding shaft; 730, track plate; 731, avoidance opening. DETAILED DESCRIPTION

[0065] Example implementations will now be described more fully with reference to the accompanying drawings. Example implementations may, however, be implemented in many different forms and should not be construed as limited to the examples set forth herein; rather, these implementations are provided so that this disclosure will be thorough and complete, and will fully convey the scope of example implementations to those skilled in the art.

[0066] Moreover, the described features, structures, or characteristics can be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the application. One skilled in the relevant art will recognize, however, that the

[0067] The application will be further described with reference to the drawings and specific examples. It is to be understood that the specific examples described herein are merely exemplary and that the application is not limited to these specific examples. In the description, specific terminology is used to describe particular features and / or embodiments. Although specific terminology is used, the application should not be limited to the specific terminology. The description is not to be construed as limiting the application.

[0068] For the convenience of description and understanding, the state when the refrigeration equipment is used vertically is taken as a reference, the direction facing the user is front, and the direction facing away from the user is back. The height direction of the refrigeration equipment is the up-down direction, and the width direction of the refrigeration equipment is the left-right direction. The direction towards the center of the refrigeration equipment is in, and the direction away from the center of the refrigeration equipment is out.

[0069] Figure 1 It is a structural schematic diagram of the refrigeration equipment.

[0070] Referring to Figure 1 The application provides a refrigeration equipment for low-temperature storage of goods, which can be a refrigerator, a refrigeration display cabinet, a refrigeration wine cabinet or a refrigeration cabinet. The refrigeration equipment comprises a cabinet 20, a cabinet door 10 rotatably arranged on the cabinet 20, and a refrigeration assembly (not shown in the figure) arranged in the cabinet 20.

[0071] A refrigeration compartment with a front opening is formed in the cabinet 20, and food is placed in the refrigeration compartment for low-temperature storage. Specifically, a cabinet liner is arranged in the cabinet 20, and a refrigeration compartment with a front opening is formed in the cabinet liner, and goods are placed in the refrigeration compartment for low-temperature storage of goods.

[0072] In some embodiments, shelves are arranged in the cabinet liner, and the shelves are arranged in the refrigeration compartment for carrying goods; and the refrigeration assembly is used to provide cold energy to the space in the refrigeration compartment to provide cold energy to the goods in the refrigeration compartment.

[0073] The cabinet door 10 can be opened and closed to cover the front side of the cabinet 20, so as to open or close the refrigeration compartment in the cabinet 20, and take or place goods in the refrigeration compartment. In this embodiment, the cabinet door 10 is rotatably arranged to cover the front side of the cabinet 20, so as to open and close the refrigeration compartment.

[0074] In some embodiments, the refrigerator is a cross-door structure or a double-door structure. In other embodiments, the refrigerator is an up-down door structure or a single-door structure.

[0075] The refrigeration assembly transmits cold energy to the air in the air duct assembly to provide cold air to the refrigeration compartment, so that the cold air in the air duct assembly can be obtained. The air duct assembly can be selectively communicated with the refrigeration compartment to guide the air in the air duct assembly into the refrigeration compartment to refrigerate the refrigeration compartment.

[0076] In some embodiments, the refrigeration compartment comprises a refrigeration compartment and a freezing compartment, and the air duct assembly can respectively transport cold energy to the refrigeration compartment and the freezing compartment, so that the air in the air duct assembly can respectively transmit cold energy to the refrigeration compartment and the freezing compartment to maintain the refrigeration environment in the refrigeration compartment and the freezing compartment.

[0077] The foaming layer is filled with foaming material, which surrounds the upper, lower, left and right, and rear side walls of the refrigeration compartment, thereby insulating the refrigeration compartment and maintaining the temperature of the refrigeration compartment.

[0078] In some embodiments, the box door 10 can include a freezing door for covering the freezing chamber, and a refrigerating door for covering the refrigerating chamber. The refrigerating door is openable and closable to cover the front side of the refrigerating chamber and the variable temperature chamber, for opening and closing the refrigerating chamber and the variable temperature chamber. The freezing door is openable and closable to cover the front side of the freezing chamber, for opening and closing the freezing chamber. The freezing door and the refrigerating door are arranged in the left-right direction.

[0079] The refrigeration assembly is used for releasing the heat in the refrigeration device to the outside environment, and for providing cold energy to the refrigeration compartment, so as to maintain a low-temperature environment in the refrigeration compartment. The refrigeration assembly can include a compressor, a condenser, an evaporator, and a throttling unit, etc. The compressor, the condenser, the throttling unit, and the evaporator are connected in sequence, and the outlet of the evaporator is connected to the inlet of the compressor, so as to form a channel for circulating flow of refrigerant in the compressor, the condenser, the throttling unit, and the evaporator.

[0080] The air duct assembly is communicated with the refrigeration compartment, so that the air circulates between the air duct assembly and the refrigeration compartment, thereby delivering the cold energy in the air duct assembly to the refrigeration compartment, and delivering the heat in the refrigeration compartment to the air duct assembly. The low-temperature and low-pressure liquid refrigerant in the evaporator is converted into low-temperature and low-pressure gaseous refrigerant after heat exchange with the air duct assembly. The low-temperature and low-pressure gaseous refrigerant in the evaporator is delivered to the compressor, and is compressed into high-temperature and high-pressure gaseous refrigerant in the compressor.

[0081] The high-temperature and high-pressure gaseous refrigerant in the compressor is delivered to the condenser, and the high-temperature and high-pressure gaseous refrigerant releases heat to the outside environment in the condenser, so as to be converted into low-temperature and high-pressure liquid refrigerant. The low-temperature and high-pressure liquid refrigerant is throttled and decompressed by the throttling unit, and is converted into low-temperature and low-pressure liquid refrigerant. The low-temperature and low-pressure liquid refrigerant is delivered to the air in the evaporator and the air duct assembly for heat exchange.

[0082] The specific structure and connection relationship of the refrigeration assembly refer to those of the refrigeration assembly in the related art, which will not be described herein.

[0083] The air duct assembly is arranged in the box body 20, and can provide cold energy to the refrigeration compartment. The specific structure and positional relationship of the air duct assembly refer to those of the air duct assembly in the related art, which will not be described herein.

[0084] Figure 2 is a structural schematic view of the box door 10 from one perspective of the utility model. Figure 3 is a structural schematic view of the box door 10 from another perspective of the utility model. Figure 4is a disassembled schematic view of the box door 10 of the utility model.

[0085] Referring to Figures 2 to 4 The box door 10 is arranged at the front side of the box body 20, and the box door 10 can include a door panel 100 arranged at the front side of the box door 10 and used as the appearance surface of the front side of the box door 10.

[0086] In an embodiment, the door panel 100 is a plate structure, and the door panel 100 is a glass panel or an aluminum alloy panel.

[0087] In some embodiments, the box door 10 can include the door panel 100 and a door liner 200 arranged at the back side of the door panel 100. The door panel 100 and the door liner 200 are provided with foaming cavities filled with foaming materials for heat preservation and heat insulation of the box door 10.

[0088] The inner side of the door liner 200 is provided with a door seal, and the door seal is enclosed to form a rectangular frame structure. The door seal extends along the upper and lower edges and the left and right edges of the box door 10. When the box door 10 is closed on the box body 20, the door seal is attached to the box body 20, and the door seal is sealed between the door liner 200 and the box body 20 to form a sealed space for the refrigeration compartment.

[0089] Figure 5 is a structural schematic view of the utility model frame.

[0090] Referring to Figures 2 to 4 The box door 10 can also include a frame arranged at the edge of the box door 10 and extending along the edge of the box door 10. The frame can include an upper end cover 300 extending along the upper edge of the door panel 100. The door panel 100 and the door liner 200 are arranged at intervals in front of and behind each other, and the upper end cover 300 covers the upper ends of the door panel 100 and the door liner 200 and seals the upper ends of the door liner 200 and the door panel 100.

[0091] In some embodiments, the frame can also include a lower end cover 400 covering the lower ends of the door panel 100 and the door liner 200 and sealing the lower ends of the door liner 200 and the door panel 100. The lower end cover 400 extends along the lower edge of the door panel 100.

[0092] In an embodiment, the box door 10 can include the upper end cover 300, the lower end cover 400, and two left and right side frames 500. The upper end cover 300 covers the upper ends of the door panel 100 and the door liner 200, the lower end cover 400 covers the lower ends of the door panel 100 and the door liner 200, and the two left and right side frames 500 are sealed to the left and right sides of the door panel 100 and the door liner 200, respectively. The upper end cover 300, the lower end cover 400, and the two left and right side frames 500 are enclosed to form a rectangular frame structure.

[0093] In another embodiment, the box door 10 can only include the upper end cover 300 and the lower end cover 400, the left and right edges of the door panel 100 are bent and extended rearward, and the left and right edges of the door panel 100 are attached to the door liner 200. The upper end cover 300 covers the upper end of the door panel 100 and the door liner 200, and the lower end cover 400 covers the lower end of the door panel 100 and the door liner 200.

[0094] Figure 6 Fig. 1 is a schematic diagram of a part structure of a box door 10 according to the present application. Figure 7 Fig. 2 is an exploded schematic diagram of a part structure of the box door 10 according to the present application. Figure 8 Fig. 3 is a schematic diagram of a structure of an upper trim 310 according to the present application. Figure 9 Fig. 4 is a sectional view of the upper trim 310 according to the present application.

[0095] Referring to Figures 2 to 9 In the present application, the upper end cover 300 can include the upper trim 310, and the upper trim 310 is arranged at the upper end of the box door 10. The upper trim 310 covers the upper end of the door panel 100 and the door liner 200, and the upper trim 310 extends along the left-right direction, and the upper trim 310 is upwardly beyond the upper end of the door panel 100, so that the upper trim 310 can serve as an appearance part at the upper end of the box door 10.

[0096] In one embodiment, the upper trim 310 is made of an aluminum alloy material, and the upper trim 310 made of the aluminum alloy material extends along the left-right direction. In another embodiment, the upper trim 310 is made of a plastic or iron material.

[0097] In some embodiments, a handle groove 311 is concavely formed on the upper side of the upper trim 310, so that the fingers of a user can be buckled in the handle groove 311 from front to back and downward, to facilitate opening of the box door 10.

[0098] The upper trim 310 can include a front wall 312, a rear wall 313, and a bottom wall 314. The front wall 312 extends along the vertical direction, and the bottom wall 314 is bent from the lower end of the front wall 312 and extends rearward. The rear wall 313 is bent from the rear end of the bottom wall 314 and extends upward. The front wall 312, the rear wall 313, and the bottom wall 314 enclose the handle groove 311 which is open at the upper end.

[0099] The upper end of the rear wall 313 is upwardly beyond the upper end of the front wall 312 and the upper end of the door panel 100, so that the upper end of the rear wall 313 can serve as an appearance part at the front side of the box door 10.

[0100] The upper end of the upper trim 310 is formed with a forward protruding overlapping protrusion 315, the front side of the upper trim 310 is attached to the rear side of the door panel 100, and the lower end of the overlapping protrusion 315 is attached to the upper end of the door panel 100. The attachment of the upper trim 310 and the overlapping protrusion 315 on the door panel 100 can effectively prevent the foaming material from overflowing from the upper end of the door panel 100.

[0101] In other embodiments, the upper end of the rear wall 313 is bent and extends rearward to form a horizontal wall 316, the rear end of the horizontal wall 316 is bent downward to form a stop wall 317. The side of the stop wall 317 away from the door panel 100 is attached to the side of the door liner 200 facing the door panel 100, which can effectively prevent the foaming material from overflowing from the upper end of the door liner 200.

[0102] Figure 10 Fig. 6 is a structure schematic view of the hinge block 600 from another perspective according to the present application. Figure 11 Fig. 6 is a structure schematic view of the hinge block 600 from another perspective according to the present application. Figure 12 Fig. 6 is a structure schematic view of the hinge block 600 from another perspective according to the present application.

[0103] Referring to Fig. 1, Figures 5 to 12 The box door 10 can include a hinge block 600, the hinge block 600 covers the upper ends of the door liner 200 and the door panel 100; the hinge block 600 and the upper trim 310 are arranged along the left-right direction, and the hinge block 600 is located at the corner of the box door. The side of the hinge block 600 in the left-right direction abuts against the upper trim 310, so as to jointly close the upper ends of the door liner 200 and the door panel 100 with the upper trim 310; the upper surface of the hinge block 600 is formed with a downward recessed accommodating cavity 610, so as to accommodate the hinge 700.

[0104] The accommodating cavity 610 is recessed from the upper surface of the hinge block 600, so that the accommodating cavity is isolated from the foaming cavity of the box door 10, and the arrangement of the hinge 700 in the accommodating cavity 610 will not affect the foaming cavity. The hinge 700 can be installed on the box door 10 after the foaming of the box door 10, and the hinge 700 will not affect the foaming of the box door 10.

[0105] In some embodiments, the upper end cover 300 includes the upper trim 310 and the hinge block 600, and the hinge block 600 is provided with the accommodating cavity 610 for connecting the hinge 700. Compared with the structure of the upper end cover 300 as a whole, the present application splits the upper end cover 300 into the upper trim 310 and the hinge block 600, the size of the single upper trim 310 and the hinge block 600 is smaller, and the structure of the single component is simpler, so that the manufacturing is more convenient.

[0106] The front and back sides of the hinge block 600 can be sealed against the door panel 100 and the door liner 200, respectively, and the side of the hinge block 600 facing the upper trim 310 is tightly fitted between the hinge block 600 and the upper trim 310 to play a sealing role, effectively preventing overflow between the hinge block 600 and the upper trim 310.

[0107] In some embodiments, the side of the hinge block 600 facing the cabinet 20 is formed with a protruding abutting edge 601, and the side of the abutting edge 601 facing the cabinet 20 is sealed against the door liner 200. The end of the abutting edge 601 facing the upper trim 310 is fitted against the stop wall 317 on the upper trim 310.

[0108] In other embodiments, the hinge block 600 includes a hinge portion 620 and a sealing portion 630 extending downward from the hinge portion 620. The upper surface of the hinge portion 620 is formed with a downward recessed accommodating cavity 610 for accommodating the hinge. The sealing portion 630 is arranged at the lower end of the hinge portion 620, and the side of the sealing portion 630 facing away from the cabinet 20 is sealed against the door panel 100.

[0109] The front side of the sealing portion 630 includes a first region 631 and a second region 632 in the left-right direction. The second region 632 is located on the side of the first region 631 facing out of the cabinet door 10 in the left-right direction. The second region 632 is used to connect the left and right frames 500, and the first region 631 protrudes from the front side of the second region 632, and the front side of the first region 631 is fitted against the door panel 100.

[0110] In some embodiments, the side of the hinge block 600 facing the upper trim 310 is formed with a protruding limiting rib 640, and the limiting rib 640 is fitted against the side of the upper trim 310 facing the foaming cavity; the limiting rib 640 extends along the edge of the end of the upper trim 310 facing the hinge block 600. The fitting between the limiting rib 640 and the upper trim 310 can form a closed effect between the upper trim 310 and the hinge block 600, reducing the probability of overflow between the upper trim 310 and the hinge block 600.

[0111] In one embodiment, the limiting rib 640 extends along the rear wall 313 and the bottom wall 314 of the upper trim 310. The side of the rear wall 313 and the bottom wall 314 of the upper trim 310 facing the foaming cavity is fitted against the limiting rib 640. In another embodiment, the limiting rib 640 extends along the rear wall 313, the bottom wall 314, and the horizontal wall 316 of the upper trim 310.

[0112] In another embodiment, the lower end of the hinge block 600 is attached to the door panel 100. The side of the hinge block 600 facing the door panel 100 is provided with a clearance cavity 650, and the side of the upper trim 310 facing the hinge block 600 is provided with a protruding connecting lug 318 extending into the clearance cavity 650. The clearance cavity 650 and the connecting lug 318 are connected by a fastener. The side of the sealing portion 630 of the hinge block 600 facing the door panel 100 is recessed to form the clearance cavity 650. The end of the connecting lug 318 protruding from the front wall 312 faces the hinge block 600. Specifically, the first region 631 on the sealing portion 630 of the lower end of the hinge block 600 is attached to the door panel 100, and the clearance cavity 650 is formed in the first region 631. The connecting lug 318 extends into the clearance cavity 650 and is clamped between the hinge block 600 and the door panel 100 in the front-back direction.

[0113] Figure 13 Fig. 5 is a structural schematic diagram of the left and right frames 500 of the present application. Figure 14 Fig. 6 is a connection schematic diagram of the left and right frames 500 on the hinge block 600 of the present application.

[0114] Referring to Fig. 6, Figures 10 to 14 The front and back sides of the hinge block 600 are respectively provided with protruding positioning protrusions 660 for connecting the corresponding left and right frames 500. The left and right frames 500 are closed on the left and right sides of the door panel 100 and the door liner in the left-right direction, and the upper end of the left and right frames 500 is attached to and limited on the hinge block 600.

[0115] The upper end of the left and right frames 500 is attached to and limited on the hinge block 600 to close the connection between the hinge block 600 and the left and right frames 500, effectively preventing overflow between the hinge block 600 and the left and right frames 500.

[0116] The left and right frames 500 include an extension plate 510 extending vertically, and wing plates 520 extending from the front and back sides of the extension plate 510 towards the middle of the box door 10, respectively. The two wing plates 520 are respectively provided with positioning holes 530. The side of the extension plate 510 facing the foaming cavity is attached to the hinge block 600, and the sides of the two wing plates 520 facing the foaming cavity are both attached to the hinge block 600. The positioning protrusions 660 can be engaged in the positioning holes 530 to limit the left and right frames 500 on the corresponding hinge block 600.

[0117] The positioning protrusions 660 are formed on the sealing portion 630 of the hinge block 600, and are respectively formed on the front and back sides of the sealing portion 630. The positioning protrusions 660 are formed on the second region 632. The front wing plate 520 is attached to the first region 631, and the front wing plate 520 is clamped between the first region 631 and the door panel 100 to seal the door panel 100 and the hinge block 600.

[0118] In some embodiments, the wing plate 520 on the rear side is clamped between the rear side of the sealing part 630 and the door liner 200 for sealing.

[0119] In some embodiments, the left and right frames 500 are provided as two, one end of the upper trim 310 is provided with a hinge block 600, and the other end is provided with a connecting block (not labeled in the figure). A positioning protrusion 660 is correspondingly provided on the connecting block, and positioning holes 530 are respectively formed in the two left and right frames 500, so that the two left and right frames 500 are respectively limited on the hinge block 600 and the connecting block.

[0120] Figure 15 is a structural schematic view of the hinge 700 of the utility model. Figure 16 is an exploded schematic view of the hinge 700 of the utility model. Figure 17 is a structural schematic view of the hinge plate 720 of the utility model.

[0121] Referring to Figures 5 to 17 , the upper surface of the hinge block 600 is formed with a downward recessed accommodating cavity 610 for accommodating the hinge 700, and the hinge 700 is partially limited on the hinge block 700 and is partially fixedly connected on the box body 20. The hinge 700 can be relatively rotated to enable the box door 10 to be relatively rotated to the box body 20 to realize the opening and closing of the box door 10.

[0122] In some embodiments, the hinge 700 can include a hinge seat 710 and a hinge plate 720. The hinge seat 710 is limited on the hinge block 600, and the hinge plate 720 is rotatably connected to the hinge seat 710, and the hinge plate 720 is fixedly connected to the box body 20, thereby realizing the rotation of the box door 10 relative to the box body 20.

[0123] In some embodiments, the hinge seat 710 is accommodated and limited in the accommodating cavity 610; the hinge plate 720 is located outside the accommodating cavity 610 and is connected to the box body 20; a hinge shaft 721 is arranged between the hinge plate 720 and the hinge seat 710; both ends of the hinge shaft 721 are connected to the hinge seat 710 and the hinge plate 720 respectively. The upper end of the hinge shaft 721 is connected to the hinge plate 720, and the lower end is arranged in the hinge seat 710. The hinge shaft 721 can be rotated relative to the hinge seat 710, so that the hinge plate 720 can be rotated relative to the hinge seat 710.

[0124] In some embodiments, the hinge shaft 721 is integrally formed on the hinge plate 720, the hinge shaft 721 extends into the accommodating cavity 610 and is connected to the hinge seat 710. In other embodiments, the hinge shaft 721 is integrally formed on the hinge seat 710, the hinge shaft 721 extends out of the accommodating cavity 610 and is connected to the hinge plate 720. In another embodiment, the hinge shaft 721 is separately designed and processed, one end of the hinge shaft 721 extends into the accommodating cavity 610, and the other end extends out of the accommodating cavity 610.

[0125] In the present application, the sliding shaft 722 is formed on the hinge plate 720, the sliding shaft 722 is spaced apart from the hinge shaft 721, the sliding shaft 722 can extend into the hinge seat 710 and slide along the corresponding structure on the hinge seat 710, so as to guide the rotation of the hinge plate 720.

[0126] In one embodiment, the upper end of the accommodating cavity 610 is open, and the hinge seat 710 can be separated and limited in the accommodating cavity 610, which facilitates the disassembly of the hinge shaft 721 from the accommodating cavity 610, the disassembly of the hinge 700 and the box door 10, and the maintenance and maintenance of the refrigeration equipment.

[0127] Figure 18 FIG. 7 is a structural schematic view of the hinge seat 710 of the present application. Figure 19 FIG. 8 is a matching schematic view of the hinge seat 710 of the present application on the hinge block 600.

[0128] Referring to FIG. 7, Figures 5 to 19 The hinge shaft 721 is configured to be placed downward in the accommodating cavity 610; the outer periphery of the hinge seat 710 abuts against the peripheral side wall of the accommodating cavity 610 to limit the horizontal movement of the hinge seat 710 relative to the hinge block 600. After the hinge seat 710 is placed downward in the accommodating cavity 610, the accommodating cavity 610 limits the hinge seat 710, which facilitates the installation of the hinge seat 710 on the hinge block 600.

[0129] In one embodiment, the hinge seat 710 can include a limiting plate 711, and the limiting plate 711 is a plate structure. The peripheral side of the limiting plate 711 abuts against the peripheral side wall of the accommodating cavity 610, thereby limiting the horizontal movement of the hinge shaft 721. A plurality of stop protrusions 716 can be provided on the peripheral side wall of the accommodating cavity 610, the plurality of stop protrusions 716 are spaced apart and stop against the peripheral side wall of the limiting plate 711, thereby limiting the horizontal movement of the limiting plate 711.

[0130] A first sliding rail 712 is formed on the upper surface of the limiting plate 711, and the hinge shaft 721 is arranged in the first sliding rail 712 and can rotate in the first sliding rail 712. The hinge shaft 721 is detachably arranged in the first sliding rail 712, and the hinge shaft 721 can be separated from the hinge seat 710, so that the installation and maintenance between the hinge plate 720 and the hinge seat 710 are facilitated. Further, the hinge shaft 721 can rotate and slide in the first sliding rail 712.

[0131] In one embodiment, the upper surface of the limiting plate 711 can be provided with the first sliding rail 712 and the second sliding rail 713, the hinge shaft 721 is arranged in the first sliding rail 712 and can rotate in the first sliding rail 712. The sliding shaft 722 is arranged in the second sliding rail 713, and the sliding shaft 722 is slidably arranged in the second sliding rail 713. The first sliding rail 712 and the second sliding rail 713 are used together for guiding when the hinge plate 720 rotates.

[0132] In some embodiments, the hinge seat 710 can further include a first protrusion 714 protruding downward from the limiting plate 711; the upper surface of the limiting plate 711 is provided with the recessed first sliding rail 712 above the first protrusion 714; the hinge shaft 721 is arranged in the first sliding rail 712; and the outer periphery of the first protrusion 714 abuts against the circumferential side wall of the accommodating cavity 610. The outer periphery of the first protrusion 714 abuts against the circumferential side wall of the accommodating cavity 610, which enhances the structural strength of the first protrusion 714 and reduces the risk of breakage of the first protrusion 714.

[0133] In some embodiments, the limiting plate 711 is provided with a second protrusion 715 protruding downward; the upper surface of the limiting plate 711 is provided with the recessed second sliding rail 713 above the second protrusion 715; the hinge plate 720 is provided with the protruding sliding shaft 722, the sliding shaft 722 is arranged in the second sliding rail 713 and can slide along the second sliding rail 713. The first sliding rail 712 and the second sliding rail 713 are used together for guiding when the hinge plate 720 rotates.

[0134] In other embodiments, the circumferential side wall of the accommodating cavity 610 is provided with a step 611; and the circumferential side of the second protrusion 715 abuts against the side of the step 611. The second protrusion 715 abuts against the side of the step 611, which can limit the hinge seat 710, enhance the structural strength of the second protrusion 715, and enhance the reliability of the limiting of the hinge seat 710 in the hinge block 600.

[0135] In some embodiments, a protruding limiting protrusion 612 is formed on the circumferential wall of the accommodating cavity 610 above the step 611. A protruding stop protrusion 716 is formed on the limiting plate 711 or the second protrusion 715; the stop protrusion 716 can be stopped at the lower end of the limiting protrusion 612, thereby limiting the upward movement of the hinged seat 710 relative to the hinge block 600, the lower surface of the limiting plate 711 is attached to the hinge block 600 in the accommodating cavity 610, and the limiting protrusion 612 is stopped at the upper end of the stop protrusion 716, thereby limiting the upward and downward movement of the hinged seat 710.

[0136] In some embodiments, a through hole 717 is formed on the limiting plate 711, a fixing hole is formed on the hinged seat 710, and a fastener passes through the fixing hole and the through hole 717 to fix the limiting plate 711 on the hinged seat 710. The fastener is a bolt or a screw.

[0137] Figure 20 FIG. 7 is a structural schematic diagram of the trajectory plate 730 of the utility model.

[0138] Referring to FIG. 7, Figures 15 to 20 The hinge 700 can further include a trajectory plate 730, the trajectory plate 730 is attached to the upper end of the hinged seat 710, and the circumferential side of the trajectory plate 730 is attached to the circumferential wall of the accommodating cavity 610; the trajectory plate 730 covers the upper end opening of the accommodating cavity 610. The trajectory plate 730 is limited in the accommodating cavity 610, and the trajectory plate 730 covers the upper end opening of the accommodating cavity 610, thereby effectively preventing foreign matter from entering the accommodating cavity 610 to protect the accommodating cavity 610 and the hinged seat 710.

[0139] In some embodiments, a through hole 731 is formed on the trajectory plate 730, the through hole 731 is used for avoiding the first sliding rail 712 and the second sliding rail 713, so that the hinged shaft 721 and the sliding shaft 722 can pass through the through hole 731 and extend into the corresponding first sliding rail 712 and second sliding rail 713.

[0140] In addition, the terms "first", "second", "third" and the like in the description of the specification are used only for descriptive purposes, and cannot be construed as indicating or implying relative importance or implying the number of the indicated technical features. Therefore, the features defined as "first", "second", "third" and the like can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0141] In this application, unless otherwise clearly indicated and limited, the terms "assembly", "connection", and the like should be interpreted broadly, for example, can be fixed connection, can also be detachable connection, or integral; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication of two elements or interaction relationship of two elements. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances. In the description of the specification, the description referring to the terms "some embodiments", "exemplarily" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiments or examples are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of the different embodiments or examples without contradiction.

[0142] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the present application, and those skilled in the art can make changes, modifications, replacements and variations to the above embodiments within the scope of the present application, therefore any changes or modifications made according to the claims and specification of the present application shall be within the scope of the present application.

Claims

1. A refrigeration appliance comprising a cabinet and a cabinet door disposed at a front side of the cabinet; characterized in that, The box door comprises: a door panel; a door liner arranged at the back side of the door panel; a foaming cavity is formed between the door liner and the door panel; an upper end cover, which comprises: an upper trim strip extending in the left-right direction; the upper trim strip covers the upper end of the door liner and the door panel; a hinge block covering the upper end of the door liner and the door panel; the hinge block and the upper trim strip are arranged in the left-right direction, and the hinge block is located at the corner of the box door; one end of the hinge block in the left-right direction abuts against the upper trim strip to jointly close the upper end of the door liner and the door panel with the upper trim strip; the upper surface of the hinge block is formed with a downward recessed accommodating cavity for accommodating a hinge.

2. The refrigeration appliance of claim 1, wherein, The hinge comprises: a hinge seat detachably limited in the accommodating cavity; a hinge plate located outside the accommodating cavity and connected to the box; a hinge shaft is arranged between the hinge plate and the hinge seat; the two ends of the hinge shaft are respectively connected to the hinge seat and the hinge plate.

3. The refrigeration appliance of claim 2, wherein, The hinge seat comprises: a limiting plate abutting against the side wall of the accommodating cavity; a first protrusion protruding downward from the limiting plate; the upper surface of the limiting plate is formed with a recessed first sliding rail above the first protrusion; the hinge shaft is detachably arranged in the first sliding rail; the outer periphery of the first protrusion abuts against the side wall of the accommodating cavity.

4. The refrigeration device according to claim 3, wherein a second protrusion protruding downward is formed on the limiting plate; the upper surface of the limiting plate is formed with a recessed second sliding rail above the second protrusion; a protruding sliding shaft is formed on the hinge plate, the sliding shaft is arranged in the second sliding rail and can slide along the second sliding rail.

5. The refrigeration device according to claim 4, wherein a step is formed on the side wall of the accommodating cavity; the side of the second protrusion abuts against the side of the step.

6. The refrigeration device according to claim 5, wherein a protruding limiting protrusion is formed on the side wall of the accommodating cavity above the step; a protruding stop protrusion is formed on the limiting plate or the second protrusion; the stop protrusion can stop at the lower end of the limiting protrusion.

7. The refrigeration device according to claim 2, wherein the hinge further comprises a track plate; the track plate is attached to the upper end of the hinge seat, the side of the track plate is attached to the side wall of the accommodating cavity; the track plate covers the upper end opening of the accommodating cavity.

8. The refrigeration device according to claim 1, wherein a protruding limiting rib is formed on the side of the hinge block facing the upper trim strip; the limiting rib is attached to the side of the upper trim strip facing the foaming cavity; the limiting rib extends along the edge of the upper trim strip facing the hinge block.

9. The refrigeration device according to claim 1, wherein the box door further comprises left and right side frames; the left and right side frames are closed on the side of the door panel and the door liner in the left-right direction; the upper end of the left and right side frames is attached to and limited on the hinge block.

10. The refrigeration appliance of claim 9, wherein, the front and rear sides of the hinge block are respectively formed with protruding positioning protrusions; the left and right frames include vertically extending extension plates and wing plates extending from the front and rear sides of the extension plates toward the middle of the door; the wing plates are attached to the hinge block on the side facing the foaming cavity; positioning holes are formed in the wing plates; the positioning protrusions are engaged in the positioning holes.