Magnetic door seal structure for refrigerator model

Abstract

The utility model discloses a refrigerator model is with magnetic formula door seal structure, including door body and box, door body inside be provided with air bag, box outside be provided with door seal side plate, air bag inside be provided with magnetic stripe, box relative door seal side plate open have assembled groove, assembled groove with door seal side plate between be provided with the insertion gap, air bag is close to the one side of box and is provided with sealed fin, sealed fin one side is provided with the plug, sealed fin and the plug of integrated setting on the air bag realize the sealing of box together. When closing the door, sealed fin will first insert into the insertion gap, under the action of external force, sealed fin will produce deformation under the extrusion of insertion gap, and is in close contact with it, and under the action of magnetic force, keeps this state until the door body opens, forms the first seal.

Description

Technical Field

[0001] This utility model relates to a door seal structure, specifically a magnetic door seal structure for a refrigerator model, belonging to the field of refrigerator door seal technology. Background Technology

[0002] Refrigerator magnetic door seals typically consist of an airbag and an internal magnetic strip. The airbag acts as a buffer during the closing process, while the magnetic strip, together with the airbag, seals the door. Currently, existing airbag designs vary, but most use a flat surface for contact and adhesion with the refrigerator body. To ensure a tight seal and prevent cold air leakage, a convex angle is formed at the intersection of the door and the refrigerator body to block the gap between them (see Chinese Patent Document No. 2015105849438, which discloses a refrigerator door seal and refrigerator). However, given the significant temperature difference between the inside and outside of the refrigerator, the shape of the airbag is prone to change after long-term use, making automatic adjustment impossible and leading to cold air leakage and wasted energy. Therefore, further improvements are needed. Utility Model Content

[0003] The purpose of this utility model is to overcome the above-mentioned technical deficiencies and propose a magnetic door seal structure for refrigerator models, which improves the sealing effect, extends the service life, and has a simple and reasonable structure.

[0004] The technical solution adopted by this utility model is as follows: a magnetic door seal structure for a refrigerator model, including a door body and a cabinet body; an air bladder is provided on the inner side of the door body; a door seal side plate is provided on the outer side of the cabinet body; a magnetic strip is provided inside the air bladder; an assembly groove is provided on the cabinet body relative to the door seal side plate; an insertion gap is provided between the assembly groove and the door seal side plate; a sealing fin is provided on the side of the air bladder near the cabinet body; a plug is provided on one side of the sealing fin.

[0005] Furthermore, the airbag has a connector on its back and is connected to the door via the connector.

[0006] Furthermore, the bottom of the sealing fins and the plug are integrally disposed on the airbag; the sealing fins and the plug are inclined to both sides and form an angle between them.

[0007] Furthermore, the adjacent sides of the sealing fins and the plug are arranged in an irregular arc shape; the insertion gap has an arc-shaped inner wall.

[0008] Furthermore, the insertion gap is positioned relative to the sealing fins; the sealing fins are in close contact with the insertion gap; and the plug is in close contact with the side wall of the housing under the traction of the sealing fins.

[0009] Furthermore, the airbag is provided with a first inner cavity and a second inner cavity; the magnetic strip includes a first magnetic strip and a second magnetic strip respectively disposed in the first inner cavity and the second inner cavity.

[0010] Furthermore, an embedding groove is provided on one side of the door body; a connecting protrusion is provided on the lower side of the plug; the connecting protrusion is inserted into the embedding groove.

[0011] This invention offers the following advantages: It employs a sealing fin and a plug integrally mounted on the airbag to achieve a seal on the enclosure. When the door is closed, the sealing fin first inserts into the interlocking gap. Under external force, the sealing fin deforms under the pressure of the interlocking gap, making close contact with it. It remains in this state under magnetic attraction until the door opens, forming the first seal. Simultaneously, after the sealing fin enters the interlocking gap and deforms, the remaining plug, being integrally formed, pulls the plug upwards (referring to the perspective in the attached diagram), causing the upper end of the plug to make close contact with the outer wall of the enclosure. In this case, the sealing fin and the plug, under the action of the magnetic strip, maintain their deformed posture, forming a double-seal system to prevent cold air leakage. Furthermore, even if the airbag deforms due to the temperature difference between the inside and outside, the sealing fin, under pressure, can still drive the plug to achieve a seal, extending its service life. Attached Figure Description

[0012] Figure 1 This is a top view of the structure of this utility model.

[0013] Figure 2 This is a schematic diagram of the airbag structure.

[0014] Wherein: 1 is the door body, 1-1 is the embedded groove, 2 is the box body, 2-1 is the assembly groove, 3 is the airbag, 3-1 is the sealing fin, 3-2 is the plug, 3-3 is the connector, 3-4 is the first inner cavity, 3-5 is the second inner cavity, 4 is the door sealing side plate, 5 is the connector gap, 6 is the connecting protrusion, and 7 is the reinforcing strip. Detailed Implementation

[0015] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0016] See Figures 1-2This application discloses a magnetic door seal structure for a refrigerator model, including a door body 1 and a cabinet body 2; an airbag 3 is provided on the inner side of the door body 1; a door seal side plate 4 is provided on the outer side of the cabinet body 2; a magnetic strip is provided inside the airbag 3; an assembly groove 2-1 is provided on the cabinet body 2 relative to the door seal side plate 4; an insertion gap 5 is provided between the assembly groove 2-1 and the door seal side plate 4; a sealing fin 3-1 is provided on the side of the airbag 3 near the cabinet body; a plug 3-2 is provided on one side of the sealing fin 3-1.

[0017] Furthermore, the airbag 3 has a connector 3-3 on its back, and is connected to the door 1 via the connector 3-3.

[0018] Furthermore, the bottoms of the sealing fins 3-1 and the plugs 3-2 are integrally disposed on the airbag 3; the sealing fins 3-1 and the plugs 3-2 are inclined to both sides and form an angle between them.

[0019] Furthermore, the adjacent sides of the sealing fin 3-1 and the plug 3-2 are arranged with irregular arc surfaces; the insertion gap 5 has an arc-shaped inner wall; the interiors of the sealing fin 3-1 and the plug 3-2 are connected by a reinforcing strip 7.

[0020] Furthermore, the insertion gap 5 is positioned relative to the sealing fin 3-1; the sealing fin 3-1 is in close contact with the insertion gap 5; and the plug 3-2 is in close contact with the side wall of the housing 2 under the traction of the sealing fin 3-1.

[0021] Specifically, in this embodiment, the included angle between the sealing fin 3-1 and the plug 3-2 is between 35° and 55°. This angle ensures that the sealing fin 3-1 can be fully inserted into the insertion gap 5. During the insertion of the sealing fin 3-1 (i.e., during the closing process), the arc-shaped inner wall of the insertion gap 5 will continuously compress the inner side of the sealing fin 3-1, causing the sealing fin 3-1 to shift to the right and eventually make tight contact with the insertion gap 5. At the same time, due to the shift of the sealing fin 3-1, under the traction of the reinforcing strip 7, the plug 3-2 will also move upward, making its upper end make tight contact with the outer side of the housing. Both maintain this shape under the action of the magnetic strip, continuously sealing.

[0022] Furthermore, the airbag 3 is provided with a first inner cavity 3-4 and a second inner cavity 3-5; the magnetic strip includes a first magnetic strip and a second magnetic strip respectively disposed in the first inner cavity 3-4 and the second inner cavity 3-5.

[0023] Furthermore, an embedding groove 1-1 is provided on one side of the door body 1; a connecting protrusion 6 is provided on the lower side of the plug 3-2; the connecting protrusion is inserted into the embedding groove 1-1.

[0024] Specifically, in this embodiment, since the lower end of the plug 3-2 is limited to the embedded groove 1-1 by the connecting protrusion 6, the lower part of the plug 3-2 can remain in its original position when the reinforcing strip 7 pulls the plug 3-2.

[0025] The specific embodiments of this utility model described above do not constitute a limitation on the scope of protection of this utility model. Any other corresponding changes and modifications made based on the technical concept of this utility model should be included within the scope of protection of the claims of this utility model.

Claims

1. A magnetic door seal structure for a refrigerator model, comprising a door (1) and a cabinet (2); an air bladder (3) is provided on the inner side of the door (1); a door seal side panel (4) is provided on the outer side of the cabinet (2); and a magnetic strip is provided inside the air bladder (3), characterized in that: The box body (2) has an assembly groove (2-1) on the side panel (4) opposite to the door seal; there is an insertion gap (5) between the assembly groove (2-1) and the side panel (4); the airbag (3) has a sealing fin (3-1) on the side near the box body; and a plug (3-2) is provided on one side of the sealing fin (3-1).

2. The magnetic door seal structure for a refrigerator model according to claim 1, characterized in that: The airbag (3) has a connector (3-3) on its back and is connected to the door (1) through the connector (3-3).

3. The magnetic door seal structure for a refrigerator model according to claim 2, characterized in that: The bottom of the sealing fin (3-1) and the plug (3-2) are integrally disposed on the airbag (3); the sealing fin (3-1) and the plug (3-2) are inclined to both sides and form an angle between them.

4. The magnetic door seal structure for a refrigerator model according to claim 3, characterized in that: The sealing fins (3-1) and plugs (3-2) are arranged on an irregular arc surface on their adjacent sides; the insertion gap (5) has an arc-shaped inner wall; the interiors of the sealing fins (3-1) and plugs (3-2) are connected by reinforcing strips (7).

5. The magnetic door seal structure for a refrigerator model according to claim 4, characterized in that: The insertion gap (5) is set relative to the sealing fin (3-1); the sealing fin (3-1) is in close contact with the insertion gap (5); the plug (3-2) is in close contact with the side wall of the box (2) under the traction of the sealing fin (3-1).

6. The magnetic door seal structure for a refrigerator model according to claim 5, characterized in that: The airbag (3) is provided with a first inner cavity (3-4) and a second inner cavity (3-5); the magnetic strip includes a first magnetic strip and a second magnetic strip respectively disposed in the first inner cavity (3-4) and the second inner cavity (3-5).

7. A magnetic door seal structure for a refrigerator model according to claim 6, characterized in that: The door body (1) has an embedded groove (1-1) on one side; the plug (3-2) has a connecting protrusion (6) on the lower side; the connecting protrusion is inserted into the embedded groove (1-1).

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