A sealing structure of a double-door refrigerator
By using a sealing assembly consisting of a shaft and a transmission rod in a double-door refrigerator, the problem of high friction in the sealing assembly is solved, achieving a user-friendly closing operation and a good sealing effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GUANGDONG INDELB ENTERPRISE CO LTD
- Filing Date
- 2025-04-28
- Publication Date
- 2026-06-26
AI Technical Summary
The sealing components of existing double-door car refrigerators have high friction when closed, requiring users to apply considerable force to close the lid. In addition, the seal is insufficient, making it easy for cold air to leak out.
The sealing assembly consists of a shaft and a drive rod. The drive rod is connected to the cover and the shaft is rotated by a spring. When the cover is closed, the sealing strip rotates to the inside of the other cover to form a seal, reducing friction and ensuring airtightness.
It allows users to close the refrigerator lid with minimal force while maintaining a good seal to prevent cold air leakage.
Smart Images

Figure CN224415496U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of refrigerator technology, and in particular to a sealing structure for a double-door refrigerator. Background Technology
[0002] With the development of society, car refrigerators have become a standard accessory for automobiles. Generally, car refrigerators come in two types: single-door and double-door. Double-door car refrigerators have sealing strips on both the left and right doors. When the doors are closed, the sealing strips on the left and right doors will abut against each other, thereby sealing the refrigerator and preventing cold air from leaking out.
[0003] For example, patent CN118935860A discloses a sealing mechanism for a double-door car refrigerator, including a cabinet with an open top, a left cabinet cover and a right cabinet cover hinged to the cabinet, and a sealing component between the left cabinet cover and the right cabinet cover when the left cabinet cover and the right cabinet cover are closed, which can seal the gap between the two.
[0004] The problem with the above technology is that, in order to effectively prevent cold air leakage, the sealing components on the left and right lids are tightly fitted together, and the friction between the two sealing components is relatively large. Therefore, users need to apply more force when closing the refrigerator lid. However, if the friction between the two sealing components is reduced to make it easier for users to close the refrigerator lid, the sealing components will not be able to guarantee sufficient sealing, and cold air will be lost from the refrigerator.
[0005] To address this issue, a sealing structure for a double-door refrigerator is proposed to solve the aforementioned technical problems. Utility Model Content
[0006] To solve the above-mentioned technical problems, the purpose of this utility model is to provide a sealing structure for a double-door refrigerator that can ensure sufficient sealing while reducing the pressure on the user to close the lid.
[0007] The technical solution adopted by this utility model to solve the problem is: a sealing structure for a double-door refrigerator, including a cabinet with a top opening, both ends of which are hinged with lids. A sealing assembly is movably disposed on one of the lids. The sealing assembly includes a shaft arranged along the length of the lid and a vertically moving transmission rod. A spring is disposed between the lid and the transmission rod. The lower end of the transmission rod extends to the bottom outer side of the lid. A sealing strip is sleeved on the shaft. When the lid is closed, the lower end of the transmission rod abuts against the top edge of the cabinet. The transmission rod moves upward and drives the shaft to rotate. The sealing strip rotates with the shaft to the inner side of the other lid and abuts against it.
[0008] As a further improvement to the above technical solution, a chamber is provided inside the box cover, the transmission rod is movably disposed in the chamber, the spring is disposed between the transmission rod and the inner wall of the top of the chamber, the lower end of the transmission rod passes through the chamber and extends to the outer bottom of the box cover; both box covers have grooves at their bottoms, the shaft is movably disposed in the grooves, and the end of the shaft passes through the grooves and extends into the chamber; when the box cover is closed, the sealing strip will move into the groove of the other box cover, and the sealing strip abuts against the inner wall of the groove.
[0009] As a further improvement to the above technical solution, the transmission rod is provided with teeth and also includes a gear, which is fixedly connected to the end of the shaft and meshes with the teeth.
[0010] As a further improvement to the above technical solution, the box cover is provided with an installation groove, and also includes an upper shell and a bottom shell. The upper shell covers the bottom shell, and the upper shell and the bottom shell form a cavity. The installation groove is provided with a buckle groove, and the bottom shell is provided with a buckle, which engages with the buckle groove.
[0011] As a further improvement to the above technical solution, a protruding post is provided at the top of the transmission rod, a limiting groove is provided inside the upper shell, and the spring is sleeved on the protruding post and located in the limiting groove.
[0012] As a further improvement to the above technical solution, a protrusion extends laterally from the opening of the box body, the protrusion being located below the sealing strip, and the sealing strip abutting against the protrusion.
[0013] The box lid includes an upper lid and a bottom lid, and the top of the upper lid is covered with a leather section.
[0014] The beneficial effects of this utility model are: when the lid is closed, the lower end of the transmission rod abuts against the top edge of the box, the transmission rod moves upward and drives the shaft to rotate, the sealing strip rotates with the shaft to the inside of the other lid and abuts against it, thereby forming a seal. The lid is less affected by the friction of the sealing component during the closing process, and the closing operation can be achieved with less force, while ensuring sufficient sealing of the box. Attached Figure Description
[0015] The present invention will be further explained below with reference to the accompanying drawings and specific embodiments.
[0016] Figure 1 This is a structural diagram of the refrigerator of this utility model;
[0017] Figure 2 This is a front view of the refrigerator of this utility model;
[0018] Figure 3 for Figure 2 A cross-sectional view of section AA;
[0019] Figure 4 for Figure 3 A magnified view of part A;
[0020] Figure 5 This is a side view of the refrigerator of this utility model;
[0021] Figure 6 for Figure 5 A cross-sectional view of the BB section;
[0022] Figure 7 for Figure 6 A magnified view of part B;
[0023] Figure 8 A cross-sectional view of the CC portion of 6;
[0024] Figure 9 for Figure 8 A magnified view of part C;
[0025] Figure 10 This is an exploded view of the box lid of this utility model;
[0026] Figure 11 This is an exploded view of the sealing component of this utility model.
[0027] In the diagram: 1-box body, 11-protrusion, 2-box cover, 21-chamber, 22-groove, 23-mounting groove, 231-snap groove, 24-upper shell, 241-limiting groove, 25-bottom shell, 26-buckle, 3-sealing assembly, 31-shaft, 32-drive rod, 321-tooth, 322-protrusion, 33-spring, 34-sealing strip, 35-gear, 4-leather part. Detailed Implementation
[0028] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.
[0029] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model 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 utility model.
[0030] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If "first" or "second" is used in the description, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.
[0031] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.
[0032] Reference Figures 1 to 11 A sealing structure for a double-door refrigerator includes a cabinet 1 with a top opening. Both ends of the opening of the cabinet 1 are hinged with a cabinet cover 2. A sealing component 3 is movably disposed on one of the cabinet covers 2. The sealing component 3 includes a shaft 31 disposed along the length of the cabinet cover 2 and a vertically movable transmission rod 32. A spring 33 is disposed between the cabinet cover 2 and the transmission rod 32. The lower end of the transmission rod 32 extends to the bottom outer side of the cabinet cover 2. A sealing strip 34 is sleeved on the shaft 31.
[0033] When the lid 2 is closed, the lower end of the transmission rod 32 abuts against the top edge of the box 1. The transmission rod 32 moves upward and drives the shaft 31 to rotate. The sealing strip 34 rotates with the shaft 31 to the inside of the other lid 2 and abuts against the lid 2. The lid 2 is less affected by the friction of the sealing component 3 during the closing process, and the closing operation can be achieved with less force, and the box can be guaranteed to have sufficient sealing.
[0034] When the cover 2 is opened, the lower end of the transmission rod 32 disengages from the top edge of the box body 1. The transmission rod 32 moves downward under the influence of the spring force of the spring 33, thereby driving the shaft 31 to rotate, so that the sealing strip 34 returns to its original position as the shaft 31 rotates.
[0035] In a preferred embodiment, a chamber 21 is provided inside the cover 2, a transmission rod 32 is movably disposed in the chamber 21, and a spring 33 is disposed between the transmission rod 32 and the inner wall of the top of the chamber 21. The lower end of the transmission rod 32 passes through the chamber 21 and extends to the outer bottom of the cover 2. A groove 22 is provided at the bottom of both covers 2, and a shaft 31 is movably disposed in the groove 22. The end of the shaft 31 passes through the groove 22 and extends into the chamber 21.
[0036] When the lid 2 is closed, the sealing strip 34 will move into the groove 22 of the other lid 2, and the sealing strip 34 will abut against the inner wall of the groove 22, thereby forming a seal.
[0037] In a preferred embodiment, the transmission rod 32 is provided with teeth 321 and also includes a gear 35, which is fixedly connected to the end of the shaft 31 and meshes with the teeth 321.
[0038] In a preferred embodiment, the cover 2 is provided with an installation groove 23, and also includes an upper shell 24 and a bottom shell 25. The upper shell 24 covers the bottom shell 25, and the upper shell 24 and the bottom shell 25 form a cavity 21. The installation groove 23 is provided with a buckle groove 231, and the bottom shell 25 is provided with a buckle 26, which is engaged with the buckle groove 231.
[0039] In a preferred embodiment, to facilitate the installation of the spring 33, a protrusion 322 is provided on the top of the transmission rod 32, and a limiting groove 241 is provided inside the upper shell 24. The spring 33 is sleeved on the protrusion 322 and located in the limiting groove 241.
[0040] In a preferred embodiment, a protrusion 11 extends laterally from the opening of the housing 1. The protrusion 11 is located below the sealing strip 34. The sealing strip 34 abuts against the protrusion 11. The protrusion 11 can restrict the rotation of the sealing strip 34 and prevent the sealing strip 34 from failing to form a seal when the gear 35 and the transmission rod 32 disengage.
[0041] In a preferred embodiment, for user comfort, the top of the lid 2 is covered with a leather part 4.
[0042] The above are merely preferred embodiments of this utility model and do not limit the patent scope of this utility model. Any equivalent structural transformations made based on the inventive concept of this utility model and the contents of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are included within the patent protection scope of this utility model.
Claims
1. A sealing structure for a double-door refrigerator, characterized in that: The box includes a box body (1) with a top opening. Both ends of the opening of the box body (1) are hinged with a box cover (2). A sealing assembly (3) is movably disposed on one of the box covers (2). The sealing assembly (3) includes a shaft (31) disposed along the length of the box cover (2) and a vertically moving transmission rod (32). A spring (33) is disposed between the box cover (2) and the transmission rod (32). The lower end of the transmission rod (32) extends to the bottom outside of the box cover (2). A sealing strip (34) is sleeved on the shaft (31). When the box cover (2) is closed, the lower end of the transmission rod (32) abuts against the top edge of the box body (1), the transmission rod (32) moves upward and drives the shaft (31) to rotate, and the sealing strip (34) rotates with the shaft (31) to the inside of the other box cover (2) and abuts against the box cover (2).
2. The sealing structure of a double-door refrigerator as described in claim 1, characterized in that: The box cover (2) is provided with a chamber (21), the transmission rod (32) is movably disposed in the chamber (21), the spring (33) is disposed between the transmission rod (32) and the inner wall of the top of the chamber (21), and the lower end of the transmission rod (32) passes through the chamber (21) and extends to the bottom outer side of the box cover (2); The bottom of both of the box covers (2) is provided with a groove (22), and the shaft (31) is movably disposed in the groove (22). The end of the shaft (31) passes through the groove (22) and extends into the chamber (21); When the lid (2) is closed, the sealing strip (34) will move into the groove (22) of the other lid (2), and the sealing strip (34) will abut against the inner wall of the groove (22).
3. The sealing structure of a double-door refrigerator as described in claim 2, characterized in that: The transmission rod (32) is provided with teeth (321) and also includes a gear (35). The gear (35) is fixedly connected to the end of the shaft (31), and the gear (35) meshes with the teeth (321).
4. The sealing structure of a double-door refrigerator as described in claim 3, characterized in that: The box cover (2) is provided with an installation groove (23), and also includes an upper shell (24) and a bottom shell (25). The upper shell (24) covers the bottom shell (25), and the upper shell (24) and the bottom shell (25) form a cavity (21). The installation groove (23) is provided with a snap groove (231), and the bottom shell (25) is provided with a buckle (26), which is engaged with the snap groove (231).
5. The sealing structure of a double-door refrigerator as described in claim 4, characterized in that: The top of the transmission rod (32) is provided with a protrusion (322), and the upper shell (24) is provided with a limiting groove (241). The spring (33) is sleeved on the protrusion (322) and located in the limiting groove (241).
6. The sealing structure of a double-door refrigerator as described in claim 5, characterized in that: The box (1) is provided with a protrusion (11) extending transversely at the opening, the protrusion (11) is located below a sealing strip (34), and the sealing strip (34) abuts against the protrusion (11).
7. The sealing structure of a double-door refrigerator according to claim 6, characterized in that: The top cover of the box cover (2) is provided with a leather part (4).
Citation Information
Patent Citations
Sealing mechanism of double-door vehicle-mounted refrigerator
CN118935860A