Refrigerator

Abstract

The utility model provides a refrigerator. The refrigerator comprises a refrigerator container and an air opening structure, the refrigerator container is provided with a first opening and is provided with a first positioning part and a first fixing part which are located on the two sides of the first opening, and the air opening structure is provided with a second opening and is provided with a second positioning part and a second fixing part which are located on the two sides of the second opening. The first positioning part and the second positioning part are connected to position the relative position of the first fixing part and the second fixing part, the first fixing part and the second fixing part are connected to fix the refrigerator container and the air opening structure, and the first opening is communicated with the second opening. According to the refrigerator, the assembling efficiency of the refrigerator liner and the air opening structure can be effectively improved, and the assembling stability is improved to a certain extent.

Description

Technical Field

[0001] This application pertains to the field of home appliances, and more specifically, relates to a refrigerator. Background Technology

[0002] Refrigerators, as indispensable household appliances in modern life, play a vital role. An air vent structure is typically connected to the refrigerator's liner to allow air circulation. However, current technology suffers from low assembly efficiency for both the liner and the air vent structure. Utility Model Content

[0003] The purpose of this application is to provide a refrigerator to solve the technical problem of low assembly efficiency of the liner and air vent structure in existing refrigerators.

[0004] To achieve the above objectives, the technical solution adopted in this application is: to provide a refrigerator, the refrigerator comprising:

[0005] The box liner has a first opening, and the box liner is provided with a first positioning part and a first fixing part. The first positioning part is provided on one side of the first opening, and the first fixing part is provided on the opposite side of the first opening relative to the first positioning part.

[0006] Air vent structure; the air vent structure has a second opening, and the air vent structure is provided with a second positioning part and a second fixing part. The second positioning part is provided on one side of the second opening, and the second fixing part is provided on the opposite side of the second opening relative to the second positioning part.

[0007] The first positioning part is connected to the second positioning part to position the relative positions of the first fixing part and the second fixing part. The first fixing part and the second fixing part are connected to fix the box liner and the air vent structure, and to connect the first opening and the second opening.

[0008] Optionally, the first positioning part and the second positioning part can be movably connected in a first direction, where the first fixing part points to the first positioning part;

[0009] The first fixing part and the second fixing part are connected to fix the relative positions of the first positioning part and the second positioning part in a first direction.

[0010] Optionally, the first positioning part includes a hook, which is disposed in a first direction, and the second positioning part has a positioning hole, in which the hook is hooked.

[0011] Optionally, the hook has a contact surface that contacts the second positioning part, the distance between the contact surface and the box liner gradually decreases along a second direction, the second direction being the opposite of the first direction, and the second positioning part is clamped between the contact surface and the surface of the box liner.

[0012] Optionally, the air liner is provided with at least two first positioning parts, which are arranged in a direction perpendicular to the first direction; the air outlet structure is provided with at least two second positioning parts, which are connected in a one-to-one correspondence with the first positioning parts and the second positioning parts.

[0013] Optionally, the first fixing part has a first fixing groove, and the second fixing part includes a first protrusion, which is fitted into the first fixing groove.

[0014] Optionally, a second protrusion is provided on the side wall of the first fixing groove, and the second fixing groove is provided on the first protrusion, with the second protrusion fitting into the second fixing groove.

[0015] Optionally, the first positioning part includes a hook, which is disposed in a first direction, the first direction being the direction in which the first fixing part points to the first positioning part, and the second positioning part has a positioning hole, in which the hook is hooked into the positioning hole;

[0016] The second fixing groove is disposed on the side of the first protrusion facing the first direction, and the second protrusion is disposed on the side wall of the first fixing groove facing the second direction, which is the opposite direction of the first direction.

[0017] Optionally, the first protrusion has a guide surface on the same side as the second fixing groove, and the distance between the guide surface and the second positioning part gradually increases along the direction in which the first protrusion is embedded in the second fixing groove.

[0018] Optionally, the air vent structure includes a frame, which is arranged circumferentially along the second opening, and the second positioning part and the second fixing part are both arranged on the frame.

[0019] The beneficial effects of the refrigerator provided in this application are as follows: Compared with the prior art, in the refrigerator of this application embodiment, a first positioning part and a first fixing part are respectively provided on both sides of the opening of the inner box, and a second positioning part and a second fixing part are respectively provided on both sides of the opening of the air vent structure. When the air vent structure is assembled onto the inner box, the first positioning part and the second positioning part can be connected to quickly position the relative positions of the first fixing part and the second fixing part. The inner box and the air vent structure are fixed by connecting the first fixing part and the second fixing part, and the opening of the inner box and the opening of the air vent structure are connected, thereby effectively improving the assembly efficiency of the air vent structure and the inner box, and improving the assembly stability to a certain extent. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of a refrigerator in an embodiment of this application;

[0022] Figure 2 This is an assembly diagram of the box liner and air vent structure in the embodiments of this application;

[0023] Figure 3 This is a partial schematic diagram of the box liner in an embodiment of this application;

[0024] Figure 4 This is a schematic diagram of the air vent structure in an embodiment of this application;

[0025] Figure 5 This is a schematic diagram of the assembly cross-section of the box liner and air vent structure in the embodiments of this application;

[0026] Figure 6 This is a schematic diagram of the first positioning part in an embodiment of this application;

[0027] Figure 7 This is a schematic diagram of the second positioning part in an embodiment of this application;

[0028] Figure 8 This is a schematic diagram showing the connection between the first positioning part and the second positioning part in an embodiment of this application;

[0029] Figure 9 This is a schematic diagram of the first fixing part in an embodiment of this application;

[0030] Figure 10 This is a schematic diagram of the second fixing part in an embodiment of this application;

[0031] Figure 11 This is a schematic diagram showing the connection between the first fixing part and the second fixing part in an embodiment of this application.

[0032] Figure label:

[0033] Refrigerator 10; liner 1; first opening 11; first positioning part 12; hook 121; contact surface 1211; first fixing part 13; first fixing groove 131; second protrusion 132; air vent structure 2; second opening 21; second positioning part 22; positioning hole 221; second fixing part 23; first protrusion 231; guide surface 2311; second fixing groove 232; frame 24; first direction A; second direction B. Detailed Implementation

[0034] To make the technical problems, technical solutions, and beneficial effects to be solved by this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of this application.

[0035] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0036] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0037] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0038] The inner liner 1 of the refrigerator 10 is an important part of its internal structure, mainly used to store refrigerated and frozen items. For example... Figure 1 The refrigerator 10 shown has a concealed door, allowing direct viewing of its internal liner 1. The liner corresponding to the refrigerator compartment is typically called the refrigerator liner, and the liner corresponding to the freezer compartment is called the freezer liner. Some refrigerators also have special liner types such as variable temperature liner. The liner 1 of the refrigerator 10 usually has openings for airflow, connected to corresponding air vent structures 2. Air vent structures 2 can be either exhaust or intake vents. These vent structures 2 allow air inside the liner 1 to circulate with the evaporator of the refrigerator 10's cooling system, thus achieving cooling within the liner 1. Furthermore, controlling the airflow within the liner 1 can also achieve functions such as humidity control and defrosting.

[0039] Currently, the connection between the inner chamber 1 and the air vent structure 2 is usually achieved by screw connection or tape bonding. It takes at least 20 seconds to complete one assembly, resulting in low assembly efficiency, and the stability of tape bonding is relatively weak.

[0040] Please see Figures 1 to 5 The refrigerator 10 provided in the embodiments of this application will now be described. The refrigerator 10 includes:

[0041] The inner box 1 has a first opening 11. The inner box 1 is provided with a first positioning part 12 and a first fixing part 13. The first positioning part 12 is provided on one side of the first opening 11, and the first fixing part 13 is provided on the opposite side of the first opening 11 relative to the first positioning part 12.

[0042] Air vent structure 2; the air vent structure 2 has a second opening 21, and the air vent structure 2 is provided with a second positioning part 22 and a second fixing part 23. The second positioning part 22 is provided on one side of the second opening 21, and the second fixing part 23 is provided on the opposite side of the second opening 21 relative to the second positioning part 22.

[0043] The first positioning part 12 is connected to the second positioning part 22 to position the relative positions of the first fixing part 13 and the second fixing part 23. The first fixing part 13 and the second fixing part 23 are connected to fix the box liner 1 and the air vent structure 2, and to connect the first opening 11 and the second opening 21.

[0044] In this embodiment, the inner container 1 can specifically be a refrigerator inner container, a freezer inner container, a variable temperature inner container, etc. The inner container 1 forms the storage space of the refrigerator 10 for storing food and other items. The air vent structure 2 can be an exhaust vent structure or an air inlet structure. The inner container 1 has a first opening 11, and the air vent structure 2 has a second opening 21. Figure 2 As shown, the air vent structure 2 is connected to the inner chamber 1, connecting the first opening 11 and the second opening 21, thereby providing an airflow channel for the inner chamber 1. This allows air inside the inner chamber 1 to be drawn out through the air vent structure 2, or cold air to be introduced into the inner chamber 1 through the air vent structure 2, achieving functions such as cooling, defrosting, or humidity control within the inner chamber 1. Of course, to achieve connection between the air vent structure 2 and the refrigeration system, the air vent structure 2 usually has other openings for airflow. For example... Figure 2 The embodiment shown is a freezer liner equipped with an exhaust vent structure.

[0045] To achieve the connection between the inner casing 1 and the air vent structure 2, such as Figure 3 As shown, a first positioning part 12 is provided on one side of the first opening 11 of the box liner 1, and a first fixing part 13 is provided on the opposite side of the first opening 11 relative to the first positioning part 12. That is, the first positioning part 12 and the first fixing part 13 are respectively located on both sides of the first opening 11, and the first opening 11 is located between the first positioning part 12 and the first fixing part 13. Similarly, as Figure 4As shown, a second positioning part 22 is provided on one side of the second opening 21 of the air vent structure 2, and a second fixing part 23 is provided on the opposite side of the second opening 21 relative to the second positioning part 22. That is, the second positioning part 22 and the second fixing part 23 are respectively located on both sides of the second opening 21, and the second opening 21 is located between the second positioning part 22 and the second positioning part 22. When the first positioning part 12 is connected to the second positioning part 22, and the first fixing part 13 and the second fixing part 23 are connected, the first opening 11 and the second opening 21 can correspond to each other and communicate with each other, realizing the airflow between the liner 1 and the air vent structure 2. Among them, the first positioning part 12 and the second positioning part 22 can adopt matching hooks 121 and positioning holes 221, fasteners and grooves, pins and sleeves, etc.; Figures 6 to 8 In the illustrated embodiment, the first positioning part 12 and the second positioning part 22 employ a hook 121 and a positioning hole 221, respectively. The first fixing part 13 and the second fixing part 23 can be connected using quick-connect methods such as snap-fit, interference fit, or fastening, or they can be fixed using common methods such as screws or bolts. Figures 9 to 11 In the embodiment shown, the first fixing part 13 and the second fixing part 23 are implemented by interlocking the protrusion and the fixing groove.

[0046] It is important to note that the first positioning part 12 and the second positioning part 22, as their names suggest, work together to perform a positioning function, positioning the relative positions of the inner box 1 and the air vent structure 2, thereby positioning the relative positions of the first fixing part 13 and the second fixing part 23. Once the relative positions of the first fixing part 13 and the second fixing part 23 are positioned, the first fixing part 13 and the second fixing part 23 can be connected relatively easily, thereby assembling the air vent structure 2 onto the inner box 1, so that the first opening 11 of the inner box 1 and the second opening 21 of the air vent structure 2 are connected, providing an airflow channel for the inner box 1.

[0047] When assembling the air vent structure 2 and the housing liner 1, the first positioning part 12 on the housing liner 1 is usually connected to the second positioning part 22 on the air vent structure 2. Since complete fixation is not required, the connection is relatively easy and can usually achieve initial positioning of the air vent structure 2 and the housing liner 1 relatively quickly. At this point, the positions of the first fixing part 13 on the housing liner 1 and the second fixing part 23 on the air vent structure 2 are initially positioned, allowing for accurate alignment. Then, the first fixing part 13 and the second fixing part 23 can be connected, thereby fixing the air vent structure 2 and the housing liner 1, and connecting the first opening 11 of the housing liner 1 and the second opening 21 of the air vent structure 2. Compared to methods that do not position the relative positions of the first fixing part 13 and the second fixing part 23, this method allows for faster and more accurate connection of the first fixing part 13 and the second fixing part 23, effectively improving the assembly efficiency of the housing liner 1 and the air vent structure 2. Furthermore, the method of connecting the box liner 1 and the air vent structure 2 in this embodiment provides better stability and durability compared to the method of using tape to bond the box liner 1 and the air vent structure 2.

[0048] In some embodiments of this application, the first positioning part 12 and the second positioning part 22 are movably connected in a first direction A, where the first fixing part 13 points to the first positioning part 12; the first fixing part 13 and the second fixing part 23 are connected to fix the relative positions of the first positioning part 12 and the second positioning part 22 in the first direction A.

[0049] The function of the first positioning part 12 and the second positioning part 22 is to achieve the initial positioning of the first fixing part 13 and the second fixing part 23, so that the first fixing part 13 and the second fixing part 23 can be quickly aligned and connected. In this embodiment, the first positioning part 12 and the second positioning part 22 are designed to be movably connected in the first direction A, such as... Figure 3As shown, the first direction A is the direction from the first fixing part 13 to the first positioning part 12. That is, when the first positioning part 12 and the second positioning part 22 are connected only by the first positioning part 12 and the second positioning part 22, the first positioning part 12 and the second positioning part 22 can move relative to each other in the direction from the first fixing part 13 to the first positioning part 12. For example, when hook 121 and positioning hole 221 are used as the first positioning part 12 and the second positioning part 22 respectively, hook 121 is set towards the first direction A. When hook 121 hooks the positioning hole 221, the first positioning part 12 and the second positioning part 22 can be movably connected in the first direction A. As another example, when fastener and groove are used as the first positioning part 12 and the second positioning part 22 respectively, the groove is extended along the first direction A. The fastener can slide in the extension direction of the groove, which can also achieve a movable connection in the first direction A. As yet another example, when pin and sleeve are used as the first positioning part 12 and the second positioning part 22 respectively, the sleeve is set along the first direction A. When the corresponding pin is inserted into the sleeve, the two can also achieve a movable connection in the first direction A.

[0050] When assembling the liner 1 and the air vent structure 2, since the first positioning part 12 and the second positioning part 22 are movably connected in the first direction A, as long as the first positioning part 12 and the second positioning part 22 are aligned in the first direction A, the first positioning part 12 and the second positioning part 22 can be quickly connected, thereby achieving the initial positioning of the first fixing part 13 and the second fixing part 23. Then, by connecting the first fixing part 13 and the second fixing part 23, the relative positions of the first positioning part 12 and the second positioning part 22 can be fixed in the first direction A, thereby enabling the liner 1 and the air vent structure 2 to be fixed on both the side where the first fixing part 13 and the second fixing part 23 are located and the side where the first positioning part 12 and the second positioning part 22 are located.

[0051] Therefore, the first positioning part 12 and the second positioning part 22 are connected in a movable manner in the first direction A. On the one hand, the first positioning part 12 and the second positioning part 22 can be quickly connected. On the other hand, the first fixing part 13 and the second fixing part 23 can be used to fix the first positioning part 12 and the second positioning part 22 relatively, thereby further improving the assembly efficiency of the box liner 1 and the air outlet structure 2.

[0052] Please see Figure 6 , Figure 7 and Figure 8 In some embodiments of this application, the first positioning part 12 includes a hook 121, which is disposed in a first direction A, and the second positioning part 22 has a positioning hole 221, in which the hook 121 is hooked.

[0053] In this embodiment, the first positioning part 12 includes a hook 121, and the second positioning part 22 has a positioning hole 221, the shape and size of which match the hook 121. The hook 121 is positioned facing the first direction A, and can be hooked into the positioning hole 221 to achieve the connection between the first positioning part 12 and the second positioning part 22.

[0054] It should be noted that the first direction A is the direction from the first fixing part 13 to the first positioning part 12. The hook is the first positioning part 12, and the hook 121 faces the first direction A. That is to say, the hook 121 is set away from the first fixing part 13. Therefore, the hook 121 itself can act as a limiting member to restrict the movement of the second positioning part 22 towards the first fixing part 13. When the first fixing part 13 and the second fixing part 23 are connected, the limitation of the hook 121 can straighten the air outlet structure 2. Compared with the case of compression, it can make the air outlet structure 2 and the box liner 1 fit more closely, thereby improving the sealing effect. In addition, the method of using the hook 121 in conjunction with the positioning hole 221 also has the advantages of easy assembly and good stability. It should also be noted that the width of the positioning hole 221 in the direction perpendicular to the first direction A should be as close as possible to the width of the hook 121. When the hook 121 is hooked into the positioning hole 221, the gap in the width direction should be as small as possible so that the two can better perform their limiting function.

[0055] Please see Figure 6 and Figure 8 In some embodiments of this application, the hook 121 has a contact surface 1211 that contacts the second positioning part 22. The distance between the contact surface 1211 and the box liner 1 gradually shortens along the second direction B, which is the opposite direction of the first direction A. The second positioning part 22 is clamped between the contact surface 1211 and the surface of the box liner 1.

[0056] The hook 121 has a contact surface 1211 that is in close contact with the wall of the positioning hole 221. This contact surface 1211 gradually shortens its distance from the liner 1 along the second direction B, where the second direction B is the opposite direction of the first direction A, i.e., the direction in which the first positioning part 12 points to the first fixing part 13. Because the hook 121 is set towards the first direction A, when the hook 121 hooks the positioning hole 221 of the second positioning part 22, the second positioning part 22 gradually approaches and presses against the contact surface 1211 along the second direction B. Since the distance between the contact surface 1211 and the liner 1 gradually shortens along the second direction B, the second positioning part 22 is clamped between the contact surface 1211 and the surface of the liner 1. That is to say, the second positioning part 22 will be clamped tighter and tighter, getting closer and closer to the liner 1, which makes the connection between the air vent structure 2 and the liner 1 increasingly tighter, thereby effectively improving the airtightness.

[0057] The contact surface 1211 can be a curved surface or a flat inclined surface, such as Figure 6 In the embodiment shown, the contact surface 1211 is an arc surface, which can better compress the second positioning part 22 so that it can fit tightly with the inner box 1.

[0058] Please see Figure 6 , Figure 7 and Figure 8 In some embodiments of this application, the inner box 1 is provided with at least two first positioning parts 12, and the at least two first positioning parts 12 are arranged in a direction perpendicular to the first direction A; the air outlet structure 2 is provided with at least two second positioning parts 22, and the first positioning parts 12 and the second positioning parts 22 are connected in a one-to-one correspondence.

[0059] The positioning effect of a single first positioning part 12 and a single second positioning part 22 is relatively weak, which can cause a certain degree of misalignment between the box liner 1 and the air vent structure 2, resulting in the inability to quickly and accurately align the first fixing part 13 and the second fixing part 23, thus affecting assembly efficiency. In this embodiment, at least two first positioning parts 12 are provided on the box liner 1, and these first positioning parts 12 are arranged along a direction perpendicular to the first direction A. Correspondingly, at least two second positioning parts 22 are also provided on the air vent structure 2, with each first positioning part 12 corresponding to one second positioning part 22. Since the first direction A is the direction in which the first positioning parts 12 and the second positioning parts 22 can move relative to each other, this strengthens the guiding effect of the first positioning parts 12 and the second positioning parts 22 moving in the first direction A, thereby preventing the first fixing part 13 and the second fixing part 23 at the other end from being relatively misaligned, ensuring that they can be accurately aligned, thereby improving assembly efficiency.

[0060] Please see Figure 9 , Figure 10 and Figure 11 In some embodiments of this application, the first fixing part 13 has a first fixing groove 131, and the second fixing part 23 includes a first protrusion 231, which is fitted into the first fixing groove 131.

[0061] In this embodiment, the first fixing part 13 is designed with a first fixing groove 131, while the second fixing part 23 includes a first protrusion 231. This protrusion can fit into the first fixing groove 131, thereby achieving a quick and secure connection between the two. The design of the first protrusion 231 and the first fixing groove 131 makes the connection process between the first fixing part 13 and the second fixing part 23 simple and direct. The connection is completed simply by aligning the protrusion with the groove and pushing it in. This connection method is not only easy to operate but also ensures a strong connection.

[0062] In particular, with the positioning method where the first positioning part 12 and the second positioning part 22 are connected to the positioning hole 221 by the hook 121, the assembly and fixation of the box liner 1 and the air vent structure 2 can be achieved with just one hook, one pull, and one press. Here, "hooking" refers to hooking the hook 121 into the positioning hole 221, "pulling" refers to pulling the first protrusion 231 of the air vent structure 2 to align with the first fixing groove 131 of the box liner 1, and "pressing" refers to pressing the first protrusion 231 into the first fixing groove 131. In this way, the assembly and fixation of the box liner 1 and the air vent structure 2 can be achieved. This can shorten the entire assembly process to less than 5 seconds, thereby greatly improving assembly efficiency.

[0063] Please see Figure 9 Figure 10 and Figure 11 In some embodiments of this application, a second protrusion 132 is provided on the side wall of the first fixing groove 131, and a second fixing groove 232 is provided on the first protrusion 231, with the second protrusion 132 fitting into the second fixing groove 232.

[0064] In this embodiment, a second protrusion 132 is provided on the sidewall of the first fixing groove 131, and a corresponding second fixing groove 232 is provided on the first protrusion 231. When the first protrusion 231 is engaged in the first fixing groove 131, the second protrusion 132 is also engaged in the second fixing groove 232 at the same time, thus forming a double-locking structure. In particular, the second protrusion 132 is provided on the sidewall of the first fixing groove 131, which can provide a barrier in the disengagement direction of the first protrusion 231 and the first fixing groove 131, thereby preventing the first protrusion 231 and the first fixing groove 131 from disengaging. The second protrusion 132 and the second fixing groove 232 can also reduce assembly errors and ensure that the first protrusion 231 and the first fixing groove 131 are properly assembled.

[0065] In addition to improving the assembly stability of the first protrusion 231 and the first fixing groove 131 by setting the second protrusion 132 and the second fixing groove 232 in this embodiment, the stability of the connection between the first protrusion 231 and the first fixing groove 131 can also be improved by snapping or interference fit of the first protrusion 231 and the first fixing groove 131, thereby ensuring the stability of the connection between the air outlet structure 2 and the box liner 1.

[0066] Please see Figures 6 to 11 In some embodiments of this application, the first positioning part 12 includes a hook 121, which is disposed in a first direction A, the first direction A being the direction in which the first fixing part 13 points to the first positioning part 12. The second positioning part 22 has a positioning hole 221, and the hook 121 is hooked into the positioning hole 221. The second fixing groove 232 is disposed on the side of the first protrusion 231 facing the first direction A, and the second protrusion 132 is disposed on the side wall of the first fixing groove 131 facing the opposite direction of the first direction A.

[0067] In this embodiment, the first positioning part 12 and the second positioning part 22 employ the aforementioned hook 121 and positioning hole 221. The hook 121 hooks into the positioning hole 221, thereby connecting the first positioning part 12 and the second positioning part 22. Because the hook 121 faces the first direction A, a stretching effect is generated on the side where the second positioning part 22 and the side where the second fixing part 23 of the air vent structure 2 are located, straightening the air vent structure 2. The second fixing groove 232 is provided on the side of the first protrusion 231 facing the first direction A, and correspondingly, the second protrusion 132 is provided on the side wall of the first fixing groove 131 facing the second direction B, that is, the opposite direction of the first direction A. When the first protrusion 231 is embedded in the first positioning groove and the second protrusion 132 is embedded in the second fixing groove 232, the two sides of the air outlet structure 2 generate a mutual tensile force, which can ensure that the second protrusion 132 is tightly and stably embedded in the second fixing groove 232, so that the second protrusion 132 and the second fixing groove 232 can better play their role in stabilizing the connection between the first protrusion 231 and the first fixing groove 131.

[0068] Please see Figure 11 In some embodiments of this application, the first protrusion 231 has a guide surface 2311 on the same side as the second fixing groove 232, and the distance between the guide surface 2311 and the second positioning part 22 gradually increases along the direction in which the first protrusion 231 is embedded in the second fixing groove 232.

[0069] During assembly, the second positioning part 22 and the second fixing part 23 of the air vent structure 2 will stretch the air vent structure 2. This stretching ensures that the air vent structure 2 fits better with the box liner 1. Furthermore, if the aforementioned hook 121 and corresponding contact surface 1211 are provided, the stretching can also ensure that the air vent structure 2 presses firmly against the box liner 1. In this embodiment, the first protrusion 231 has a guide surface 2311, which is located on the same side as the second fixing groove 232. The distance between the guide surface 2311 and the second positioning part 22 gradually increases along the direction in which the first protrusion 231 is embedded in the second fixing groove 232. In other words, when the first protrusion 231 is inserted into the first fixing groove 131, as the first protrusion 231 is pressed down, the guide surface 2311 will contact the second fixing groove 232 to play a guiding role. On the one hand, it helps the first protrusion 231 to be aligned and slide more smoothly when it is inserted into the second fixing groove 232. On the other hand, it can also generate a tensile force on the air vent structure 2, thereby ensuring that the air vent structure 2 fits and is pressed tightly against the box liner 1.

[0070] The guide surface 2311 also serves to guide the second protrusion 132 into the second fixing groove 232. The guide surface 2311 can be configured as a slope or an arc surface, etc. Figures 9 to 11In the illustrated embodiment, the first protrusion 231 includes an arc-shaped portion and a square portion, and the first fixing groove 131 is correspondingly provided with an arc-shaped bottom surface and a straight sidewall. The arc-shaped surface of the arc-shaped portion of the first protrusion 231 serves as a guide surface 2311, while the second fixing groove 232 is provided on the square portion and cooperates with the second protrusion 132 on the straight sidewall of the first fixing groove 131, which can improve the stability of the engagement of the second protrusion 132 and the second fixing groove 232.

[0071] Please see Figure 4 In some embodiments of this application, the air vent structure 2 includes a frame 24, which is arranged circumferentially along the second opening 21, and the second positioning part 22 and the second fixing part 23 are both arranged on the frame 24.

[0072] In this embodiment, the frame 24 is arranged around the second opening 21 of the air vent structure 2, which not only provides structural support for the air vent structure 2, but also, since the frame 24 has a certain width, such as 10mm, 15mm, 20mm, etc., the frame 24 can fit well with the box liner 1 when the air vent structure 2 is assembled on the box liner 1, and it is not easy to generate gaps, thereby further improving the sealing between the air vent and the box liner 1.

[0073] Furthermore, since the first opening 11 is an elongated hole, the first positioning part 12 and the first fixing part 13 are arranged along their length direction. Correspondingly, the second opening 21 is also an elongated hole, and the second positioning part 22 and the second fixing part 23 are also arranged along their length direction. This can improve the stability of the connection between the air outlet structure 2 and the box liner 1.

[0074] The above are merely preferred embodiments of this application and are not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A refrigerator characterized by comprising: The refrigerator comprises: a box body, the box body having a first opening, the box body being provided with a first positioning part and a first fixing part, the first positioning part being arranged at one side of the first opening, and the first fixing part being arranged at the opposite side of the first opening relative to the first positioning part; an air inlet structure, the air inlet structure having a second opening, the air inlet structure being provided with a second positioning part and a second fixing part, the second positioning part being arranged at one side of the second opening, and the second fixing part being arranged at the opposite side of the second opening relative to the second positioning part; wherein the first positioning part and the second positioning part are connected to position the relative positions of the first fixing part and the second fixing part, and the first fixing part and the second fixing part are connected to fix the box body and the air inlet structure and make the first opening and the second opening communicate.

2. The refrigerator according to claim 1, wherein, The first positioning part and the second positioning part are movably connected in a first direction, the first direction being the direction in which the first fixing part points to the first positioning part. The first fixing part and the second fixing part are connected to fix the relative positions of the first positioning part and the second positioning part in the first direction.

3. The refrigerator according to claim 2, wherein The first positioning part comprises a hook, the hook being arranged towards the first direction, and the second positioning part has a positioning hole, the hook being hooked in the positioning hole.

4. The refrigerator according to claim 3, wherein The hook has a contact surface in contact with the second positioning part, the distance between the contact surface and the box body gradually shortening in a second direction, the second direction being the opposite direction of the first direction, and the second positioning part being clamped between the contact surface and the surface of the box body.

5. The refrigerator according to claim 2, wherein The box body is provided with at least two first positioning parts, and the at least two first positioning parts are arranged in a direction perpendicular to the first direction; the air inlet structure is provided with at least two second positioning parts, and the first positioning part and the second positioning part are connected one by one.

6. The refrigerator according to claim 2, wherein The first fixing part has a first fixing groove, and the second fixing part comprises a first protrusion, the first protrusion being fitted in the first fixing groove.

7. The refrigerator according to claim 6, wherein A second protrusion is arranged on the sidewall of the first fixing groove, and a second fixing groove is arranged on the first protrusion, the second protrusion being fitted in the second fixing groove.

8. The refrigerator according to claim 7, wherein The first positioning part comprises a hook, the hook being arranged towards the first direction, and the second positioning part has a positioning hole, the hook being hooked in the positioning hole; The second fixing groove is arranged on the side of the first protrusion towards the first direction, and the second protrusion is arranged on the sidewall of the first fixing groove towards the second direction, the second direction being the opposite direction of the first direction.

9. The refrigerator according to claim 8, wherein The first protrusion has a guide surface on the same side as the second fixing groove, and the distance between the guide surface and the second positioning part gradually increases in the direction in which the first protrusion is fitted in the second fixing groove.

10. The refrigerator according to claim 1, 2 or 3, wherein The air inlet structure comprises a frame, the frame being arranged along the circumference of the second opening, and the second positioning part and the second fixing part are both arranged on the frame.

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