Door seal structure and refrigeration device

Abstract

The utility model provides a door seal structure and a refrigerating plant, the door seal structure comprises: an installation part, which is detachably installed on the side wall of a door body facing a box body; the air bag part protrudes out of the side wall of the door body and is provided with a first side and a second side which are opposite to each other, the first side is fixedly connected to the mounting part, the second side is far away from the door body and faces the refrigerator body, the air bag part is further provided with a first end part and a second end part which are opposite to each other, and the first end part is fixedly connected to the mounting part. Wherein the second side of the air bag part is provided with an inclined part, and the distance between the inclined part and the door body is gradually reduced from the first end part to the second end part. The door seal structure has a better sealing effect.

Description

Technical Field

[0001] The utility model relates to the field of household appliances, and in particular to a door sealing structure and a refrigeration device. Background Art

[0002] Refrigeration units are essential household appliances in our daily lives. A door seal is often installed between the door and the refrigerator housing. This seal typically includes an airbag. The door seal is mounted on the door, and when the door is closed, the airbag seals the gap between the door and the refrigerator housing, preventing leakage of cold air from the refrigerator housing.

[0003] However, over extended use, door seal design issues can lead to issues like airbag elasticity loss or a loose seal, which can cause cold air to leak from the refrigerator cabinet. This reduces the reliability of the door seal. This is especially true for refrigerators with a fresh-keeping compartment, where a poorly sealed door seal can significantly impact the fresh-keeping function of the compartment. Summary of the Invention

[0004] In view of the above technical problems, the utility model provides a door sealing structure and a refrigeration device with better sealing effect.

[0005] To achieve the above-mentioned purpose, the present invention provides a door sealing structure, which is installed between the door body and the box body, and the door sealing structure includes:

[0006] a mounting portion, the mounting portion being detachably mounted on a side wall of the door body facing the box body;

[0007] An airbag portion, the airbag portion protrudes from the side wall of the door body, and the airbag portion has a first side and a second side relative to each other, the first side is fixedly connected to the mounting portion, the second side is away from the door body and faces the box body, the airbag portion also has a first end and a second end relative to each other, wherein the second side of the airbag portion has an inclined portion, and the distance between the inclined portion and the door body gradually decreases from the first end to the second end.

[0008] As an optional technical solution, at least one of the first end portion and the second end portion is provided with a deformation portion.

[0009] As an optional technical solution, the deformation portion is a plurality of tooth-shaped grooves.

[0010] As an optional technical solution, a first sealing fin and a second sealing fin are further provided on the outer side of the second side of the airbag portion, wherein the first sealing fin is provided at the first end portion, and the second sealing fin is provided at the second end portion.

[0011] As an optional technical solution, the first sealing fin and the second sealing fin are both inclined in a direction away from the airbag portion.

[0012] As an optional technical solution, the door body is further provided with a sealing rib on the outer side of the airbag portion, and the minimum gap between the sealing rib and the box body is less than 3 mm.

[0013] As an optional technical solution, the mounting portion and the airbag portion are an integrally formed structure.

[0014] As an optional technical solution, the cross section of the airbag portion is an ellipse with an inclined line, and the inclined line corresponds to the inclined portion.

[0015] As an optional technical solution, the mounting portion includes an inserting portion and a resisting portion, the resisting portion is located between the inserting portion and the airbag portion, and the inserting portion is plug-in-combined with the door body, and the resisting portion is against the door body and located outside the door body.

[0016] The present invention also provides a refrigeration device, which includes: an atmosphere-conditioning module; the door body, which is provided with a mounting groove; the box body, which is a fresh-keeping container, and the atmosphere-conditioning module is in airflow communication with the fresh-keeping container; and the door sealing structure as described above, wherein the mounting portion of the door sealing structure is inserted into the mounting groove, and the door body is pivotally connected or pull-connected to the box body.

[0017] Compared to the prior art, the present invention utilizes a rational design of the door seal's main structure and peripheral structures. The coordinated and synergistic effect of the main and peripheral structures effectively enhances the sealing performance of the door seal. Furthermore, the airbag portion exhibits excellent resilience, ensuring that the door seal reliably seals the refrigeration unit even after prolonged operation, effectively preventing cold air leakage from the cabinet. This improves the reliability of the door seal and the insulation performance of the refrigeration unit. Furthermore, this door seal can also be used in the fresh-keeping container of a refrigeration unit, providing a better seal between the container and the drawer door panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1A schematic diagram of a refrigeration device according to an embodiment of the present invention;

[0020] Figure 2 It is a schematic diagram of a partial structure of a refrigeration device according to an embodiment of the present utility model;

[0021] Figure 3 yes Figure 2 An exploded schematic diagram of a part of the structure of the refrigeration device;

[0022] Figure 4 This is a schematic block diagram of the air flow communication between the atmosphere control module of a refrigeration device and two fresh-keeping containers according to one embodiment of the present invention;

[0023] Figure 5 This is a schematic diagram of a refrigeration device according to an embodiment of the present invention when the door is not closed;

[0024] Figure 6 for Figure 5 Schematic diagram of the refrigeration unit with the door closed;

[0025] Figure 7 This is a schematic diagram of a door sealing structure according to an embodiment of the present invention;

[0026] Figure 8 for Figure 7 A cross-sectional view of the door seal structure along line LL;

[0027] Figure 9 for Figure 7 The cross-sectional view of the door seal structure along the MM line;

[0028] Figure 10 for Figure 9 A magnified schematic diagram of area A in the middle;

[0029] Figure 11 Schematic cross-sectional view of a door seal structure according to an embodiment of the present invention.

[0030] In the figure: 1, box body; 2 (201), door body; 3, door sealing structure; 11, front surface; 13, air duct cover; 15, shielding plate; 21, mounting groove; 22, side wall; 23, sealing rib; 31, mounting portion; 32, airbag portion; 33, first side; 34, second side; 35, first end portion; 36, second end portion; 37, inclined portion; 38 (38'), deformation portion; 40, drawer; 41, first A sealing fin; 42, a second sealing fin; 60, an electrolytic gas-conditioning unit; 70, a first gas-conditioning channel; 70B, a second gas-conditioning channel; 311, an inserting portion; 312, a resisting portion; 313, a hook structure; 100, a refrigerator shell; 101, a fresh-keeping container; 102, a second fresh-keeping container; 103, a front opening; 202, a second door; 300, a compartment; 401, a box body; 402, a second box body. DETAILED DESCRIPTION

[0031] In order to provide a further understanding of the purpose, structure, features, and functions of the present invention, the present invention is described in detail below with reference to the embodiments.

[0032] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0033] See Figures 1-4 , Figure 1 A schematic diagram of a refrigeration device according to an embodiment of the present invention; Figure 2 It is a schematic diagram of a partial structure of a refrigeration device according to an embodiment of the present utility model; Figure 3 yes Figure 2 An exploded schematic diagram of a part of the structure of the refrigeration device; Figure 4 This is a schematic block diagram of the fluid communication between the atmosphere control module and two fresh-keeping containers of a refrigeration device according to one embodiment of the present invention. The present invention provides a refrigeration device comprising an atmosphere control module, a housing, a door, and a door seal structure as described in any of the following embodiments. The door seal structure is mounted on the door and configured to form an airtight seal between the door and the housing when the door is closed. Specifically, the door seal structure is positioned between the housing and the door when they are closed, ensuring the sealing of the storage space of the refrigeration device.

[0034] Among them, such as Figure 1 As shown, the refrigeration device also includes a refrigerator housing 100, an inner liner, and an insulation layer. The inner liner is nested within the refrigerator housing 100 and spaced apart from the housing 100, creating a space between the refrigerator housing 100 and the inner liner. The insulation layer fills this space. The inner liner encloses multiple compartments 300, each of which can be, for example, a storage space. The refrigeration device cools the storage space using refrigeration equipment (such as a compressor, evaporator, and condenser). The storage space can be a freezer, refrigerator, or warm room.

[0035] The door is connected to the housing, for example, by a pivot or by being pulled out to close or open the storage space of the refrigeration device. That is, the door can be opened by rotating the door relative to the housing, or by pulling the door out to move the door relative to the housing. In this embodiment, the door 201 is connected to the housing 101, for example, by being pulled out. Specifically, the housing 101 has a front opening 103 for a user to access items. The door 201 is pullably connected to the front side of the housing 101 to selectively expose or cover the front opening 103 of the housing 101.

[0036] In this embodiment, the box body 101 is, for example, a fresh-keeping container, and the gas-conditioning module is in airflow communication with the fresh-keeping container (or box body) 101. The fresh-keeping container is also arranged in the compartment 300. The door body 201 is a door panel of a drawer 40 that can be movably accommodated in the fresh-keeping container. The drawer 40 includes a box body 401 and a door panel (door body) 201 fixedly connected to the box body 401. The door panel 201 can move synchronously with the box body 401 and can close the front opening 103 of the fresh-keeping container (or box body) 101. In other words, the fresh-keeping container 101 and the door panel together enclose a sealed compartment.

[0037] The refrigeration device also includes an air duct cover 13 and a shielding plate 15. The air duct cover 13 is assembled to the rear wall of the inner container. The refrigeration device and part or all of the air duct are formed between the air duct cover 13 and the rear wall of the inner container. The shielding plate 15 covers the fresh-keeping container to prevent the fresh-keeping container from being exposed and affecting the appearance.

[0038] In this embodiment, the refrigeration device has, for example, two fresh-keeping containers (a fresh-keeping container 101 and a second fresh-keeping container 102). The second fresh-keeping container 102 is also arranged in the compartment 300. Correspondingly, the second fresh-keeping container 102 is correspondingly provided with a second door body 202, which is a second door panel of a second drawer movably accommodated in the second fresh-keeping container 102. The second drawer includes a second box body 402 and a second door panel (i.e., a second door body) 202 fixedly connected to the second box body 402. The second door panel can move synchronously with the second box body 402 and can close the front opening of the second fresh-keeping container 102. In other words, the second fresh-keeping container 102 and the second door panel together enclose a sealed compartment.

[0039] like Figure 4As shown, the gas conditioning module includes an electrolytic gas conditioning unit 60, a first gas conditioning channel 70, and a second gas conditioning channel 70B. The electrolytic gas conditioning unit 60 is configured to generate fresh-keeping gas through an electrochemical reaction and transport the fresh-keeping gas to the fresh-keeping container through a pipeline. It is preferably located outside the fresh-keeping container 101 and outside the second fresh-keeping container 102. For example, the electrolytic gas conditioning unit 60 can be located inside the inner container (e.g., in the refrigerator compartment), between the inner container and the refrigerator housing 100, outside the refrigerator housing 100, or in the mechanical compartment. Of course, these variations are all feasible within the technical scope of the present invention.

[0040] In addition, the first gas-conditioning passage 70 connects the electrolytic gas-conditioning unit 60 and the interior of the first fresh-keeping container 101, allowing the fresh-keeping gas generated by the electrolytic gas-conditioning unit 60 to enter the interior of the drawer 40. The second gas-conditioning passage 70B connects the electrolytic gas-conditioning unit 60 and the interior of the second fresh-keeping container 102, allowing the fresh-keeping gas generated by the electrolytic gas-conditioning unit 60 to enter the interior of the second fresh-keeping container 102.

[0041] The fresh-keeping gases flowing through the first and second controlled-atmosphere channels 70 and 70B can be the same or different. For example, the electrolytic controlled-atmosphere unit 60 is configured to consume oxygen in the air through an electrochemical reaction to form an oxygen-depleted fresh-keeping gas, and / or to generate oxygen through an electrochemical reaction to form an oxygen-enriched fresh-keeping gas. The fresh-keeping gases flowing through the first and second controlled-atmosphere channels 70 and 70B can both be oxygen-depleted fresh-keeping gases, both be oxygen-enriched fresh-keeping gases, or one be oxygen-depleted fresh-keeping gas and the other be oxygen-enriched fresh-keeping gas.

[0042] It can be understood that the oxygen-deficient fresh-keeping gas refers to a fresh-keeping gas in which the volume percentage of oxygen contained is less than the volume percentage of oxygen in the air; the oxygen-rich fresh-keeping gas refers to a fresh-keeping gas in which the volume percentage of oxygen contained is higher than the volume percentage of oxygen in the air.

[0043] In addition, it should be noted that the refrigeration devices involved in the present invention include but are not limited to common devices such as refrigerators, freezers, and freezers, and also include other devices with refrigeration and / or freezing functions.

[0044] Moreover, the refrigeration device of the present invention has all the beneficial effects brought by the door sealing structure because it has the door sealing structure described in any of the following embodiments, which will not be described in detail here.

[0045] Please continue to see Figures 1-4 , and see also Figures 5-11 , Figure 5 This is a schematic diagram of a refrigeration device according to an embodiment of the present invention when the door is not closed; Figure 6 for Figure 5A schematic view of the refrigeration device in the door closed state; Figure 7 A schematic view of the door seal structure of an embodiment of the present application; Figure 8 A Figure 7 A sectional view of the door seal structure in the door closed state along the LL line; Figure 9 A Figure 7 A sectional view of the door seal structure in the door closed state along the MM line; Figure 10 A Figure 9 An enlarged schematic view of the area A in the door closed state; Figure 11 A sectional view of the door seal structure of an embodiment of the present application. The present application also provides a door seal structure 3 which is installed between a door body 2 and a cabinet 1. The door seal structure 3 can be applied to the refrigeration device as described above. When the door seal structure 3 is applied to the refrigeration device as described above, the cabinet 1 corresponds to a fresh-keeping container, and the door body 1 corresponds to a door panel of a drawer which is connected to the fresh-keeping container. Moreover, the door seal structure 3 comprises a mounting portion 31 and an air bag portion 32. Specifically, in the present embodiment, the door body 2 is further provided with a mounting groove 21, and the mounting portion 31 of the door seal structure 3 is inserted into the mounting groove 21.

[0046] In addition, the mounting portion 31 is detachably mounted on a side wall 22 of the door body 2 which faces the cabinet 1. The air bag portion 32 protrudes from the side wall 22 of the door body 2, and has opposite first and second sides 33 and 34. The first side 33 is fixedly connected to the mounting portion 31, and the second side 34 is away from the door body 2 and faces the cabinet 1. The air bag portion 32 also has opposite first and second end portions 35 and 36. The second side 34 of the air bag portion 32 has an inclined portion 37, and the distance between the inclined portion 37 and the door body 2 gradually decreases from the first end portion 35 to the second end portion 36. That is, the shapes of the two ends of the air bag portion 32 are inconsistent. When the door body 2 is closed, the first and second end portions 35 and 36 of the air bag portion 32 will contact the cabinet 1 in an inconsistent order. This is like pre-deforming the air bag portion 32. In this way, when the door body 2 is closed, the end portion of the air bag portion 32 which is closer to the cabinet 1 will contact the cabinet first. In this way, the door seal structure 3 will deform according to the shape of the air bag portion 32, and the deformation can be controlled.

[0047] Furthermore, preferably, the cross-section of the airbag portion 32 is, for example, an ellipse with an inclined line, and the inclined line corresponds to the inclined portion 37. Furthermore, preferably, in order to achieve a better deformation and rebound effect, the inclined portion 37 is, for example, a curved surface structure, and the corresponding inclined line is also a curved surface. By setting the cross-section of the airbag portion 32 to an ellipse, the airbag portion 32 can more snugly contact the box body 1 after being squeezed and deformed, thereby ensuring that the airbag portion 32 can effectively seal the door body 2 and the box body 1. Furthermore, the ellipse cross-section and the curved surface structure of the inclined portion 37 can also make the sealing surface smoother after deformation.

[0048] In addition, the door sealing structure 3 can be generally square and ring-shaped as a whole, and the mounting portion 31 of the door sealing structure 3 can be snap-fitted around the side wall 22 of the door body 2 facing the box body 1, and the airbag portion 32 of the door sealing structure 3 is exposed to the side wall 22 of the door body 2 facing the box body 1. When the door body 2 is in the closed state, the airbag portion 32 can be in compression contact with the four sides of the front surface 11 of the box body 1.

[0049] Furthermore, to better ensure the deformation and rebound effect of the airbag portion 32, preferably, at least one of the first end portion 35 and the second end portion 36 is provided with a deformable portion. Specifically, the deformable portion can be, for example, a plurality of tooth-shaped grooves. In this embodiment, the first end portion 35 is provided with a deformable portion 38, and the second end portion is provided with a deformable portion 38'.

[0050] A first sealing fin 41 and a second sealing fin 42 are further provided on the outer side of the second side 34 of the airbag portion 32, wherein the first sealing fin 41 is provided at the first end portion 35, and the second sealing fin 42 is provided at the second end portion 36. Thus, when the door body 2 is closed, the first sealing fin 41 and the second sealing fin 42 will be in close or even interference contact with the front surface 11 of the box body 1 (that is, the surface of the box body 1 facing the door body 2), thereby increasing the sealing between the door body 2 and the box body 1. Furthermore, preferably, the first sealing fin 41 and the second sealing fin 42 are both inclined in a direction away from the airbag portion 32, which can further facilitate the contact and sealing between the first sealing fin 41 and the second sealing fin 42 and the box body 1.

[0051] Furthermore, the door body 2 is provided with a sealing rib 23 on the outside of the airbag portion 32, and the minimum gap between the sealing rib 23 and the cabinet 1 is less than 3 mm. This effectively reduces the flow of air in the sealing gap between the door body 2 and the cabinet 1, thereby reducing the flow of air between the indoor and outdoor air in the refrigeration unit and further improving the sealing performance.

[0052] In addition, preferably, the mounting portion 31 and the airbag portion 32 are an integrally formed structure.

[0053] In this embodiment, the mounting portion 31 further includes an inserting portion 311 and a resisting portion 312, wherein the resisting portion 312 is located between the inserting portion 311 and the airbag portion 32, and the inserting portion 311 is plugged into the door body 2, and the resisting portion 312 is against the door body 2 and is located outside the door body 2. Figure 2 As shown, the blocking portion 312 abuts against the side wall 22 of the door body 2 facing the box body 1 .

[0054] Moreover, in this embodiment, the head of the mounting portion 31 of the door seal structure 3 is shaped like a triangle. The shape from small to large facilitates the insertion of the door seal structure 3 into the mounting groove 21 of the door body 2. In addition, preferably, the portion where the mounting portion 31 is inserted into the mounting groove 21 is also provided with a hook structure 313. The hook structure 313 is, for example, a raised structure. The raised structure allows for easy insertion of the mounting portion 31, while also ensuring that the mounting portion 31 will not fall out easily. The hook structure 313 is preferably provided at least on opposite sides of the mounting portion 31 to ensure balance and stability when the mounting portion 31 is inserted into the mounting groove 21.

[0055] In summary, the present invention rationally designs the main structure and peripheral structure of the door seal structure. The coordination and synergy between the main structure and the peripheral structure effectively enhance the sealing performance of the door seal structure. The airbag portion also has good resilience, ensuring that the door seal structure can reliably seal the refrigeration device even after long-term operation, effectively preventing cold air leakage from the cabinet, improving the reliability of the door seal structure, and also improving the thermal insulation performance of the refrigeration device. Furthermore, this door seal structure can also be applied to the fresh-keeping container of the refrigeration device, achieving a better sealing effect between the fresh-keeping container and the drawer door panel.

[0056] The present invention has been described with reference to the above-described embodiments. However, these embodiments are merely exemplary embodiments of the present invention. Furthermore, the technical features of the various embodiments described above may be combined as long as they do not conflict with each other. It should be noted that the disclosed embodiments do not limit the scope of the present invention. On the contrary, modifications and enhancements made without departing from the spirit and scope of the present invention are within the scope of patent protection of the present invention.

Claims

1. A door sealing structure, installed between the door body and the box body, characterized in that: The door sealing structure comprises: a mounting portion, the mounting portion being detachably mounted on a side wall of the door body facing the box body; An airbag portion, the airbag portion protrudes from the side wall of the door body, and the airbag portion has a first side and a second side relative to each other, the first side is fixedly connected to the mounting portion, the second side is away from the door body and faces the box body, the airbag portion also has a first end and a second end relative to each other, wherein the second side of the airbag portion has an inclined portion, and the distance between the inclined portion and the door body gradually decreases from the first end to the second end.

2. The door sealing structure according to claim 1, characterized in that: At least one of the first end portion and the second end portion is provided with a deformation portion.

3. The door sealing structure according to claim 2, characterized in that: The deformation portion is a plurality of tooth-shaped grooves.

4. The door sealing structure according to claim 1, characterized in that: A first sealing fin and a second sealing fin are further provided on the outer side of the second side of the airbag portion, wherein the first sealing fin is provided at the first end portion, and the second sealing fin is provided at the second end portion.

5. The door sealing structure according to claim 4, characterized in that: The first sealing fin and the second sealing fin are both inclined in a direction away from the airbag portion.

6. The door sealing structure according to claim 1, characterized in that: The door body is further provided with a sealing rib on the outer side of the airbag portion, and the minimum gap between the sealing rib and the box body is less than 3 mm.

7. The door sealing structure according to claim 1, characterized in that: The mounting portion and the airbag portion are an integrally formed structure.

8. The door sealing structure according to claim 1, characterized in that: The cross section of the airbag portion is an ellipse having an inclined line, and the inclined line corresponds to the inclined portion.

9. The door sealing structure according to claim 1, characterized in that: The mounting portion includes an inserting portion and a resisting portion, wherein the resisting portion is located between the inserting portion and the airbag portion, and the inserting portion is plug-connected with the door body, and the resisting portion is against the door body and located outside the door body.

10. A refrigeration device, characterized in that: The refrigeration device comprises: Controlled atmosphere module; The door body is provided with a mounting groove; The box body is a fresh-keeping container, and the atmosphere-control module is in airflow communication with the fresh-keeping container; and The door sealing structure according to any one of claims 1 to 9, wherein the mounting portion of the door sealing structure is inserted into the mounting groove, and the door body is pivotally connected or pull-connected to the box body.

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