WO2022012175A1

WO2022012175A1 - Heat preservation sealing door and refrigerator

Info

Publication number: WO2022012175A1
Application number: PCT/CN2021/095953
Authority: WO
Inventors: 海华; 陈庆晓; 李世英
Original assignee: 浙江星星冷链集成股份有限公司
Priority date: 2020-07-17
Filing date: 2021-05-26
Publication date: 2022-01-20
Also published as: CN111912162A

Abstract

The present invention provides a heat preservation sealing door and a refrigerator. The heat preservation sealing door, which is installed at an opening of a cabinet body of the refrigerator, comprises: a door housing; an inner container, which is mounted on a side of the door housing facing the cabinet body, and cooperates with the door housing to form an accommodating chamber; and a heat preservation filler, which fills the accommodating chamber, wherein a side of the inner container facing the cabinet body is provided with a plurality of inner-container protruding portions, at least one first reinforcing groove and a plurality of second reinforcing grooves; the inner-container protruding portions are arranged in a first direction and protrude towards an inner side of the cabinet body; the first reinforcing groove is disposed between adjacent inner-container protruding portions and is recessed towards the accommodating chamber; the second reinforcing grooves are arranged on each inner-container protruding portion in the first direction and are recessed towards the accommodating chamber; and hook portions bent towards the accommodating chamber are arranged at two ends of the door housing, and the two hook portions are symmetrical in the first direction.

Description

A kind of thermal insulation sealing door and refrigerator

technical field

The invention belongs to the technical field of refrigerator accessories, and in particular relates to a thermal insulation sealing door and a refrigerator having the thermal insulation sealing door.

Background technique

In the prior art, a refrigerator generally has a cabinet for storing articles and a refrigerator door installed on the cabinet. The interior of the refrigerator door is usually filled with an insulating thermal insulation filler, and the thermal insulation filler is mostly a foam material. The foam material is easy to shrink and deform in a low temperature environment.

During the refrigeration process of the refrigerator, due to the low ambient temperature inside the refrigerator, under the shrinkage and deformation of the foam material, the refrigerator door may be deformed at low temperature. As a result, the cold air in the refrigerator cabinet is leaked, and the sealing between the refrigerator cabinet and the refrigerator door is reduced, thereby reducing the cooling effect of the refrigerator.

SUMMARY OF THE INVENTION

In order to solve the above-mentioned problems, a kind of thermal insulation sealing door and refrigerator are provided, and the present invention adopts the following technical solutions:

The invention provides a thermal insulation and sealing door, which is installed at the opening of the cabinet body of the refrigerator, and is characterized in that it includes: a door shell; a cavity; and a thermal insulation filler, which is filled in the accommodating cavity, wherein the side of the inner container facing the cabinet has a plurality of inner container convex parts, at least one first reinforcement groove and a plurality of second reinforcement grooves, the inner container convex part has a plurality of inner container convex parts, at least one first reinforcement groove and a plurality of second reinforcement grooves Arranged along the first direction and protruding to the inside of the cabinet, the first reinforcing grooves are arranged between the convex parts of the adjacent inner pots and are recessed towards the accommodating cavity, and the second reinforcing grooves are on each convex part of the inner pot along the first The two ends of the door shell are provided with hooks bent toward the accommodating cavity, and the two hooks are symmetrical along the first direction.

The thermal insulation and sealing door provided by the present invention may also have the feature that the first reinforcement groove extends along a second direction perpendicular to the first direction, the width is m1, the depth is m2, 16mm≤m1≤20mm, 13mm≤m2 ≤17mm.

The thermal insulation and sealing door provided by the present invention may also have the feature that the distance between the adjacent first reinforcement grooves is m6, and 160mm≤m6≤200mm.

The thermal insulation and sealing door provided by the present invention may also have the feature that the second reinforcing groove is an arc-shaped groove extending along a second direction perpendicular to the first direction.

The thermal insulation and sealing door provided by the present invention may also have such a feature, further comprising: two clips mounted on both ends of the door shell, the two ends of the door shell are respectively in contact with the two ends of the door shell provided with the hooks Adjacent, the inner tank is clamped on the door shell through two clamping pieces.

The thermal insulation and sealing door provided by the present invention may also have the feature that the hook portion has a first bent portion and a second bent portion that are perpendicular to each other, the second bent portion extends away from the cabinet, and the first bent portion extends away from the cabinet. The width of the bending part is m4, 10mm≤m4≤14mm, and the width of the second bending part is m5, 8mm≤m5≤16mm.

The thermal insulation and sealing door provided by the present invention may also have the feature that the opening of the cabinet body has a sealing surface facing the inner container, the sealing surface is provided with a plurality of cabinet body protrusions, and the adjacent cabinet body protrusions are located between them. A cabinet body sealing groove is formed between the inner container, and the inner container also has a plurality of slots for inserting a plurality of cabinet body protrusions and a sealing strip of the inner container body which is inserted into the cabinet body sealing groove to form a sealing.

The thermal insulation and sealing door provided by the present invention may also have the feature that the slot is provided with a buffer member for buffering the cabinet protrusion when the cabinet protrusion is inserted.

The thermal insulation and sealing door provided by the present invention may also have the feature that the thickness of the buffer member is m3, and 3mm≤m3≤9mm.

The invention provides a thermal insulation and sealing door, which is characterized by comprising: a cabinet body for storing goods and having an opening; and a thermal insulation and sealing door installed at the opening for sealing the cabinet body, wherein the thermal insulation and sealing door Seal the door for the thermal insulation described above.

Invention action and effect

According to a refrigerator and a thermal insulation sealing door of the refrigerator of the present invention, the thermal insulation sealing door has a door shell and an inner container installed on the door shell, and a accommodating cavity for filling insulation filler is formed between the inner container and the door shell. The inner bladder is an integrally formed structure, the inner bladder is provided with a plurality of inner bladder convex portions protruding toward the inner side of the cabinet body, and a first reinforcing groove concave to the accommodating cavity is provided between the adjacent inner bladder convex portions, and A plurality of second reinforcing grooves concave to the accommodating cavity are arranged on each convex part of the inner pot. The use of the first reinforcing groove and the second reinforcing groove can effectively limit the shrinkage of the foamed material upon cooling, which leads to the phenomenon that the width of the door shell becomes smaller and protrudes outward, and the door shell is placed to deform.

Description of drawings

Fig. 1 is the front view structure schematic diagram of the inner pot of the thermal insulation sealing door in the first embodiment of the present invention;

Fig. 2 is the side view structure schematic diagram of the inner pot of the thermal insulation sealing door in the first embodiment of the present invention;

Fig. 3 is the partial enlarged schematic diagram of A place in Fig. 2;

Fig. 4 is the front view structure schematic diagram of the door shell of the thermal insulation sealing door in the first embodiment of the present invention;

Fig. 5 is the top-view structure schematic diagram of the door shell of the heat-insulating and sealing door in the first embodiment of the present invention;

Fig. 6 is the partial enlarged schematic diagram of C place in Fig. 5;

Fig. 7 is the front view structure schematic diagram of the thermal insulation sealing door in the first embodiment of the present invention;

Fig. 8 is the sectional view of B-B in Fig. 7;

Fig. 9 is the sectional view of C-C in Fig. 7;

Fig. 10 is the partial enlarged schematic diagram of D in Fig. 7;

11 is a partial cross-sectional view of the inner tank and the cabinet in Embodiment 2 of the present invention;

FIG. 12 is a partial enlarged schematic view of B in FIG. 11 .

detailed description

The specific embodiments of the present invention will be described below with reference to the accompanying drawings and embodiments.

The purpose of this embodiment is to provide a mechanism for flattening the surface of the door body when the refrigerator is refrigerated, so as to solve the above-mentioned problems in the background art.

To achieve the above purpose, the present embodiment provides the following technical solutions:

A mechanism with a flat surface of a door body when a refrigerator is refrigerated, comprising an inner tank body and a door shell, the upper end of the door shell is provided with an upper door strip, the lower end of the door shell is provided with a lower door strip, the inner tank body is clamped in the door shell, and the upper door The strip and the inner container body and the lower door strip and the inner container body are fixedly connected by buckles, the end of the upper door strip away from the inner container body is clamped in the door shell, and the end of the lower door strip away from the inner container body is clamped in the door shell. Inside, one side of the inner pot body is provided with several first reinforcing grooves and second reinforcing grooves, and the two ends of the door shell and the side close to the inner pot body are provided with bending parts.

As a further solution of the present invention: the width of the first reinforcement groove is m1, and 16mm≤m1≤20mm.

As a further solution of the present invention: the distance between adjacent first reinforcement grooves is m6, and 160mm≤m6≤200mm.

As a further solution of the present invention: the depth of the first reinforcement groove is m2, and 13mm≤m2≤17mm.

As a further solution of the present invention: the door shell is provided with a chamfer at one end close to the bending part, the width of the bending part is m4, 10mm≤m4≤14mm, and the depth of the bending part is m5, 8mm≤m5≤16mm.

As a further solution of the present invention: it also includes a cabinet body that is sealed and matched with the liner body, the side of the liner body close to the cabinet body is provided with a fourth sealing groove, and the side of the cabinet body close to the inner liner body is provided with a plug connection on the side of the liner body. Four sealing protrusions in sealing grooves.

As a further solution of the present invention, a first sealing groove is provided on the side of the cabinet body close to the inner container body.

As a further solution of the present invention, a number of sealing inserts are arranged on the side of the inner tank body close to the cabinet body, and the side of the cabinet body close to the inner tank body is provided with a second sealing groove into which the sealing inserts are inserted.

As a further solution of the present invention, a buffer rubber strip is arranged in the fourth sealing groove, and a third sealing groove into which the sealing insert is inserted is arranged in the buffer rubber strip.

As a further solution of the present invention: the length of the buffer rubber strip is m3, 3mm≤m3≤9mm.

As shown in FIG. 7 , the first embodiment provides a refrigerator for storing items that need to be stored at low temperature. The refrigerator includes a cabinet body and a thermal insulation and sealing door 100 installed at an opening of the cabinet body. In this embodiment, the refrigerator is a vertical refrigerator.

The cabinet body is in the shape of a cuboid, the opening is arranged on the side of the cabinet body, and the cabinet body has a storage cavity for storing articles.

The thermal insulation and sealing door 100 can be opened and closed at the opening of the cabinet, and can seal the opening. Specifically, the thermal insulation and sealing door 100 is rectangular, and the longer side of the thermal insulation and sealing door is rotatably installed at the opening of the cabinet through a hinge.

The heat-insulating and sealing door 100 has an inner tank 1 , a door shell 5 , a heat-insulating filler, two clips and a clip 2 .

The inner tank 1 is installed on the side of the door shell facing the cabinet, and cooperates with the door shell to form a accommodating cavity for filling the thermal insulation filler 8 . In this embodiment, the thermal insulation filler 8 is a foamed material and is filled in the accommodating cavity.

As shown in FIGS. 1-3 , the inner container 1 has an integral molding structure, and the side facing the cabinet has a plurality of inner container convex portions 10 , a plurality of first reinforcement grooves 102 and a plurality of second reinforcement grooves 103 .

The first direction is defined as the vertical direction, that is, the length direction of the thermally sealed door 100 , and the second direction is defined as the horizontal direction perpendicular to the first direction, that is, the width direction of the thermally sealed door 100 .

In this embodiment, the number of the inner container convex parts 10 is set to seven, and the seven inner container convex parts 10 are arranged along the first direction and protrude toward the inner side of the cabinet body.

The first reinforcing grooves 102 are disposed between the adjacent inner pot convex portions 10 and are recessed toward the accommodating cavity. In this embodiment, the number of the first reinforcing grooves 102 is set to 6, which are rectangular and elongated, and all extend along the second direction. The width of the first reinforcement groove 102 is m1 and the depth is m2, 16mm≤m1≤20mm, and 13mm≤m2≤17mm.

Specifically, in the first embodiment, m1 is 18 mm, and m2 is 15 mm.

The distance between adjacent first reinforcement grooves 102 is m6, and 160mm≤m6≤200mm. That is, the height of the inner pot convex portion 10 other than the topmost and bottommost is m6.

Specifically, in the first embodiment, m6 is 180mm.

A plurality of second reinforcement grooves 103 are provided on each of the inner pot protrusions 10 . Specifically, three second reinforcing grooves 103 are provided on each inner container convex portion 10 . The second reinforcing groove 103 is an arc-shaped groove, which also extends along the second direction and is parallel to the first reinforcing groove 102 .

As shown in FIGS. 4 and 5 , the door shell 5 is integrally pressed from a plate, and has a door shell body 503 , a chamfer 502 , and a hook portion 501 (corresponding to a bent portion).

The door shell body 503 is U-shaped, and the center of the flat plate protrudes in a direction away from the opening of the cabinet.

Two corners of the U-shape of the door housing body 503 are respectively provided with chamfers 502 .

The hooks 501 are disposed on the two ends of the U-shape of the door housing body 503 facing the cabinet, and have arc-shaped vertical first bending parts 5011 and second bending parts 5012 . The width of the first bending portion 5011 is m4, 10mm≤m4≤14mm, and the width of the second bending portion 5012 is m5, 8mm≤m5≤16mm.

Specifically, in the first embodiment, m4 is 12 mm, and m5 is 12 mm.

As shown in FIG. 8 to FIG. 10 , two clips are installed on the upper and lower ends of the door casing 5 , that is, the two ends of the door casing 5 that are not provided with hooks. The two clips are respectively set as the lower door strip 6 and the upper door strip 7 . The lower door strip 6 is clamped to the lower end of the door shell 5 , the upper door strip 7 is clamped to the upper end of the door shell 5 , and the inner container 1 is clamped to the door shell 5 through the upper door strip 6 and the lower door strip 7 .

The upper door strip 7 and the inner container 1 and the lower door strip 6 and the inner container 1 are fixedly connected by the buckle 2 .

Example 1 Function and Effect

The first embodiment provides a refrigerator and a thermal insulation sealing door of the refrigerator. The thermal insulation sealing door has a door shell and an inner tank installed on the door shell, and a container for filling thermal insulation fillers is formed between the inner tank and the door shell. Cavity. The inner bladder is an integrally formed structure, the inner bladder is provided with a plurality of inner bladder convex portions protruding toward the inner side of the cabinet body, and a first reinforcing groove concave to the accommodating cavity is provided between the adjacent inner bladder convex portions, and A plurality of second reinforcing grooves concave to the accommodating cavity are arranged on each convex part of the inner pot. The use of the first reinforcing groove and the second reinforcing groove can effectively limit the shrinkage of the foamed material upon cooling, which leads to the phenomenon that the width of the door shell becomes smaller and protrudes outward, and the door shell is placed to deform.

In addition, both the first reinforcement groove and the second reinforcement groove extend along the second direction, that is, the width direction of the thermal insulation and sealing door. The spacing between the reinforcing grooves is set at 160mm to 200mm, which can more effectively prevent the deformation of the door shell, and at the same time, the shape of the inner tank is more beautiful.

In addition, the inwardly bent hooks are arranged on both sides of the door shell, which further makes the door shell have sufficient strength to limit the phenomenon of deformation caused by the shrinkage of the foam material when exposed to cold, thereby preventing the occurrence of thermal insulation and sealing of the refrigerator during the long-term refrigeration process. Deformation or seams, etc.

As shown in FIG. 11 to FIG. 12 , the second embodiment provides a refrigerator, which includes a heat preservation and sealing door and a cabinet body 3 .

The difference from the first embodiment is that the opening of the cabinet 3 has a sealing surface of the inner container facing the inner container 1', and a plurality of uniformly arranged cabinet protrusions 302 (equivalent to sealing protrusions) are arranged on the sealing surface. ) and the cabinet body sealing groove 303 (equivalent to the second sealing groove) formed by the adjacent cabinet body protrusions 302 . The cabinet body protrusion 302 protrudes toward the inner pot 1'. In this embodiment, the number of cabinet body protrusions 302 is set to 8, and the number of cabinet body sealing grooves 303 is set to 7 pieces.

The sealing surface of the cabinet body 3 is also concave to the first sealing groove 301 inside the cabinet body 3 . The first sealing groove 301 is arranged on the outer side of the cabinet body protrusion 302 and is close to the outer surface of the cabinet body 3 .

The side of the inner container 1' facing the cabinet body 3 of the thermal insulation sealing door 100' also has a sealing groove, and the inner container sealing strip 104 (equivalent to the sealing insert strip) and the slot 101 (equivalent to the sealing strip) are arranged in the sealing groove. the fourth sealing groove) and the buffer member 4 (equivalent to the buffer rubber strip).

The sealing strips 104 of the inner container are evenly arranged in the sealing grooves for inserting into the sealing grooves 303 of the cabinet. The thickness of the inner container sealing strip 104 is greater than the depth of the cabinet body sealing groove 303 , that is, only the front end of the inner container sealing strip 104 is inserted into the cabinet body sealing groove 303 .

A slot 101 for inserting the cabinet protrusion 302 is formed between the adjacent inner container sealing strips 104 and between the inner container sealing strip 104 and the inner wall of the sealing groove. The depth of the slot 101 is greater than the thickness of the cabinet protrusion 302 .

A buffer member 4 is provided between the parts of each inner container sealing strip 104 that are not inserted into the cabinet sealing groove 303, that is, a buffer member 4 is provided at the bottom of the slot 101. The buffer member 4 is in the shape of a rectangular strip and is made of rubber. The thickness of the buffer is m3, 3mm≤m3≤9mm. In this embodiment, m3 is set to 6mm.

Embodiment 2 Function and effect

In the second embodiment, the cabinet body is provided with a cabinet body protrusion and a cabinet body sealing groove, and the inner tank is provided with a slot and an inner tank sealing strip which are respectively matched with the cabinet body protrusion and the cabinet body sealing groove, so that the cabinet can be The body protrusion is inserted into the sealing groove, and the liner sealing strip is inserted into the sealing groove of the cabinet body, which can effectively improve the sealing performance of the refrigerator during use, that is, improve the sealing performance of the thermal insulation sealing door after closing.

In addition, arranging the first sealing groove on the sealing surface of the cabinet body can effectively improve the sealing performance of the assembly between the cabinet body and the inner container.

In addition, a buffer made of rubber is arranged in the slot, so that when the thermal insulation and sealing door is closed, the buffer can be used to buffer the impact generated by the opening and closing between the inner tank and the cabinet, which improves the safety of the cabinet and the inner tank. Durability, but also further improve the airtightness of the refrigerator.

The above embodiments are only used to illustrate specific embodiments of the present invention, and the present invention is not limited to the description scope of the above embodiments.

In the above-mentioned first embodiment, the width m1 of the first reinforcing groove 102 is 18 mm, the depth m2 of the first reinforcing groove 102 is 15 mm, the width m4 of the first bending portion is 12 mm, and the width m5 of the second bending portion is 12mm, and the distance m6 between adjacent first reinforcement grooves is 180mm. In other embodiments, m1 can also be 16mm, 17mm, 19mm or 20mm; m2 can also be 13mm, 14mm, 16mm or 17mm; m4 can also be 10mm, 11mm, 13mm, 14mm; m5 can also be 10mm, 11mm, 13mm, 14mm; m6 can also be 160mm, 165mm, 170mm, 175mm, 185mm, 190mm, 195mm, 200mm.

In the above-mentioned second embodiment, the thickness of the buffer member is 6 mm. In other embodiments, the thickness of the buffer member can also be set to 3 mm, 4 mm, 5 mm, 7 mm, 8 mm or 9 mm.

Claims

A heat preservation and sealing door, installed at the opening of the cabinet of the refrigerator, is characterized in that, comprising:

door shell;

an inner liner, installed on the side of the door shell facing the cabinet body, and cooperates with the door shell to form an accommodating cavity; and

a thermal insulation filler, which is filled in the accommodating cavity,

Wherein, the side of the inner pot facing the cabinet body has a plurality of inner pot protrusions, at least one first reinforcing groove and a plurality of second reinforcing grooves,

The protrusions of the inner pot are arranged along the first direction and protrude from the inside of the cabinet,

The first reinforcing groove is arranged between the adjacent convex parts of the inner pot, and is recessed toward the accommodating cavity,

The second reinforcing grooves are arranged along the first direction on each of the inner pot protrusions, and are recessed toward the accommodating cavity,

Both ends of the door shell are provided with hooks bent toward the accommodating cavity, and the two hooks are symmetrical along the first direction.
The thermal insulation sealing door according to claim 1, is characterized in that:

Wherein, the first reinforcement groove extends along a second direction perpendicular to the first direction, the width is m1, the depth is m2,

16mm≤m1≤20mm,

13mm≤m2≤17mm.
The thermal insulation sealing door according to claim 1, is characterized in that:

Wherein, the distance between the adjacent first reinforcement grooves is m6, and 160mm≤m6≤200mm.
The thermal insulation sealing door according to claim 1, is characterized in that:

Wherein, the second reinforcing groove is an arc-shaped groove extending along a second direction perpendicular to the first direction.
The thermal insulation sealing door according to claim 1, further comprising:

Two clips are installed on both ends of the door shell, and the two ends of the door shell are respectively adjacent to the two ends of the door shell with the hooks,

The inner container is clamped on the door shell through the two clamping parts.
The thermal insulation sealing door according to claim 1, is characterized in that:

Wherein, the hook portion has a first bent portion and a second bent portion that are perpendicular to each other,

The second bent portion extends away from the cabinet body,

The width of the first bending part is m4, 10mm≤m4≤14mm,

The width of the second bending portion is m5, 8mm≤m5≤16mm.
The thermal insulation sealing door according to claim 1, is characterized in that:

Wherein, the opening of the cabinet body has a sealing surface facing the inner tank, the sealing surface is provided with a plurality of cabinet body protrusions, and a cabinet body sealing groove is formed between the adjacent cabinet body protrusions,

The inner container also has a plurality of slots into which the plurality of cabinet protrusions are inserted, and a sealing strip of the inner container inserted into the cabinet sealing groove to form the seal.
The thermal insulation sealing door according to claim 7, is characterized in that:

Wherein, the slot is provided with a buffer member for buffering the cabinet protrusion when the cabinet protrusion is inserted.
The thermal insulation sealing door according to claim 8, is characterized in that:

Wherein, the thickness of the buffer member is m3, 3mm≤m3≤9mm.
A refrigerator, characterized in that, comprising:

Cabinets for storing goods, having openings; and

A thermal insulation and sealing door, installed at the opening, is used for sealing the cabinet body,

Wherein, the heat-insulating and sealing door is the heat-insulating and sealing door according to any one of claims 1-9.