CN115751825A

CN115751825A - Refrigerator door seal

Info

Publication number: CN115751825A
Application number: CN202211511828.4A
Authority: CN
Inventors: 严桃; 程春明
Original assignee: Changhong Meiling Co Ltd
Current assignee: Changhong Meiling Co Ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-03-07

Abstract

The application provides a refrigerator door strip of paper used for sealing, the strip of paper used for sealing includes barb structure and main gasbag, the barb structure sets up in the omega recess of door courage, barb structural connection is on main gasbag. The corner air bag and the side air bag are connected to the outer portion of the main air bag, the corner air bag is arranged between the main air bag and the corner of the door liner, a gap between the main air bag and the corner of the door liner is filled, the side air bag is the same as the main air bag and also arranged between the door liner and the box body, but the diameter of the side air bag is smaller than that of the main air bag, the side air bag can be arranged in a smaller gap between the door liner and the box body, the main air bag is helped to block circulation of cold and hot air inside and outside the freezer, sealing performance is better improved, and the freezer is prevented from frosting. The main airbag is internally provided with a plurality of sub-airbags, every two of the sub-airbags are adjacent to each other, so that the stability and the support of the main airbag of the door seal strip are improved, when the freezer door is closed, the rebound resilience of the door seal strip is improved, and the sealing performance of the door seal strip is enhanced.

Description

Refrigerator door seal

Technical Field

The application relates to the field of household appliances, and mainly relates to a refrigerator door seal.

Background

The freezer is a refrigeration device with constant low temperature, mainly used for preserving frozen food and other articles, and widely applied to daily life of people.

The door seal plays an important role in the refrigerator, and the door seal is used as a combined sealing piece of a refrigerator door body and a refrigerator body, and the sealing effect directly determines the energy-saving performance of the refrigerator. The freezing temperature of the refrigerator is about-10 ℃ or even lower, and is different from the indoor temperature by about more than 30 ℃, so that the problem of frosting of the lining opening of the refrigerator body can occur when the refrigerator runs, the sealing capability of the refrigerator is greatly reduced, and particularly, the vicious circle sealing performance is poorer and more frost is generated due to the formation of ice blocks after the lining opening is frosted.

The application provides a refrigerator door strip of paper used for sealing solves the problem that the refrigerator frosted.

Disclosure of Invention

In order to solve the problem of refrigerator-freezer frost formation, please provide a refrigerator door strip of paper used for sealing itself, including main gasbag, barb structure, first side gasbag and second side gasbag, the barb structure sets up in the omega shape recess on the door courage, barb structural connection is in on the main gasbag, the barb structure includes first slope barb and second slope barb, the one end of first slope barb with the one end of second slope barb is connected, first slope barb with connect through first support bar between the main gasbag, second slope barb with the gasbag between connect through the second support bar, the one end of first side gasbag is connected the main gasbag, the other end is connected the second side gasbag.

The utility model provides a strip of paper used for sealing has set up a main gasbag, has set up a barb structure on the main gasbag, and the barb structure sets up in the omega shape recess on the door courage, because the design of first slope barb and second slope barb, the structure of barb structure setting part is bigger than the diameter of omega shape groove notch in omega shape recess, and the barb structure can be fixed omega shape recess in, with the main gasbag of barb structure also is fixed on the door courage. First slope barb and second slope barb respectively through first support bar and second support bar with the main gasbag is connected, first slope barb, second slope barb, first support bar, second support bar and main gasbag between enclose into a cavity, when the refrigerator-freezer door is closed, the cavity can play the effect of supporting with the buffering, stress stability when also having guaranteed the gate seal strip and drawing or compressing.

The main airbag is arranged between the door liner and the refrigerator body, after the door of the refrigerator is closed, the main airbag between the door liner and the refrigerator body is extruded to fill a gap between the door liner and the refrigerator body, cold air in the refrigerator is prevented from leaking outwards, and the refrigerator is prevented from frosting.

The main airbag is also provided with two side airbags, one end of the first side airbag is connected with the main airbag, and the other end of the first side airbag is connected with the second side airbag. The two side air bags are also arranged between the door liner and the box body, and also play a role in filling a gap between the door liner and the box body, so that the mutual circulation of air inside and outside the freezer is blocked, and the freezer is prevented from frosting.

The door seal is used as a combined sealing piece of a refrigerator door body and a refrigerator body, the sealing effect of the door seal not only directly determines the energy-saving performance of the refrigerator, but also is related to the problem of frosting of the refrigerator, and particularly, the vicious circle sealing performance is poorer due to the formation of ice blocks after lining openings are frosted. The utility model provides a pair of door strip of paper used for sealing structure that is fit for refrigerator-freezer door box structure has increased a plurality of seal structures at the structural door strip of paper used for sealing, has filled the clearance between door strip of paper used for sealing and the door body, the door body and the box, has improved the sealed of the door body with the box, has reduced refrigerator-freezer case air conditioning exposed probability, greatly reduced the risk that the refrigerator-freezer bushing frosted, and then improved the leakproofness of refrigerator-freezer.

Optionally, the first side airbag and the second side airbag are arranged between the door liner and the box body, the first side airbag and the second side airbag are respectively arranged on two sides of a corner of the first door liner, the corner of the first door liner protrudes towards the box body, and one side, close to the door liner, of the first side airbag and one side, close to the door liner, of the second side airbag are always abutted to the door liner.

Optionally, the second side airbag is provided with annular reinforcing ribs, and the number of the annular reinforcing ribs is greater than one.

Optionally, one end of the first inclined barb, which is far away from the second inclined barb, extends to abut against the inner wall of the omega-shaped groove on the door liner along the direction of the first inclined barb; keep away from at second slope barb the one end of first slope barb, along the direction of second slope barb extends to and contradicts the inner wall of the omega shape recess on the door courage.

Optionally, still include first top gasbag, first top gasbag is connected first slope barb and second slope barb, first top gasbag with omega shape recess inner wall contact on the door courage.

Optionally, the gas generator further comprises a second tip airbag, and the second tip airbag is arranged between the first tip airbag and the inner wall of the omega-shaped groove.

Optionally, the refrigerator further comprises a corner airbag, the corner airbag is arranged on the main airbag, the corner airbag contacts two sides of a corner of the second door liner, the corner of the second door liner protrudes towards a direction far away from the refrigerator body, and one side, close to the door liner, of the corner airbag is always abutted against the door liner.

Optionally, the airbag device further comprises sub-airbags, the sub-airbags are arranged on the inner wall of the main airbag on the side close to the door liner, and the number of the sub-airbags is more than one.

Optionally, a plurality of the sub-airbags are adjacent to each other two by two.

Optionally, the door seal comprises a door seal flash, one end of the door seal flash is arranged on the joint edge of the main airbag and the door liner, and the other end of the door seal flash extends towards the direction close to the door liner.

The application provides a refrigerator door strip of paper used for sealing, the strip of paper used for sealing of door includes barb structure and main gasbag, the barb structure sets up in the omega recess of door courage, the barb structural connection is on main gasbag. The corner air bag and the side air bag are connected to the outer portion of the main air bag, the corner air bag is arranged between the main air bag and the corner of the door liner, a gap between the main air bag and the corner of the door liner is filled, the side air bag is the same as the main air bag and also arranged between the door liner and the box body, but the diameter of the side air bag is smaller than that of the main air bag, the side air bag can be arranged in a smaller gap between the door liner and the box body, the main air bag is helped to block circulation of cold and hot air inside and outside the freezer, sealing performance is better improved, and the freezer is prevented from frosting. The main airbag is internally provided with a plurality of sub-airbags, every two of the sub-airbags are adjacent to each other, so that the stability and the support of the main airbag of the door seal strip are improved, when the freezer door is closed, the rebound resilience of the door seal strip is improved, and the sealing performance of the door seal strip is enhanced.

Drawings

In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of a refrigerator door seal provided in one embodiment;

fig. 2 is a schematic view of a refrigerator door seal provided in another embodiment.

Illustration of the drawings:

1-a first oblique barb; 2-a second oblique barb; 3-door sealing flash; 41-a first support bar; 42-a second support bar; 5-corner air bags; 6-sub-air sac; 7-main airbag; 8-a first side airbag; 9-a second side airbag; 10-annular reinforcing ribs; 11-a door liner; 111-a first door bladder corner; 112-second door bladder corner; 12-a box body; 13-a first tip airbag; 14-second tip balloon.

Detailed Description

Reference will now be made in detail to embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following examples do not represent all embodiments consistent with the present application. But merely as examples of systems and methods consistent with certain aspects of the application, as detailed in the claims.

In order to solve the problem of freezer frost, this application provides a refrigerator door strip of paper used for sealing, as shown in fig. 1 and fig. 2, including main gasbag 7, barb structure, first side gasbag 8 and second side gasbag 9, the barb structure sets up in the omega shape recess on door courage 11, barb structural connection is in on the main gasbag 7, the barb structure includes first slope barb 1 and second slope barb 2, the one end of first slope barb 1 with the one end of second slope barb 2 is connected, first slope barb 1 with connect through first supporting bar 41 between the main gasbag 7, second slope barb 2 with connect through second supporting bar 42 between the main gasbag 7, the one end of first side gasbag 8 is connected main gasbag 7, the other end is connected second side gasbag 9.

The application provides a door strip of paper used for sealing has set up a main gasbag 7, has set up a barb structure on main gasbag 7, and the barb structure sets up in omega shape recess on door courage 11, because first slope barb 1 and the design of second slope barb 2, the structure of barb structure setting part is bigger than the diameter of omega shape groove opening in omega shape recess, and the barb structure can be fixed omega shape recess in, with the main gasbag 7 of barb structure also is fixed on door courage 11. First slope barb 1 and second slope barb 2 respectively through first stay bar 41 and second stay bar 42 with main gasbag 7 is connected, first slope barb 1, second slope barb 2, first stay bar 41, second stay bar 42 and main gasbag 7 between enclose into a cavity, when the refrigerator-freezer door is closed, the cavity can play the effect of support and buffering, has also guaranteed the door strip seal stress stability when tensile or compression.

The main air bag 7 is arranged between the door liner 11 and the refrigerator body 12, after the refrigerator door is closed, the main air bag 7 between the door liner 11 and the refrigerator body 12 is extruded to fill a gap between the door liner 11 and the refrigerator body 12, cold air in the refrigerator is prevented from leaking outwards, and the refrigerator is prevented from frosting.

Two side air bags are further arranged on the main air bag 7, one end of the first side air bag 8 is connected with the main air bag 7, and the other end of the first side air bag is connected with the second side air bag 9. Two side air bags are also arranged between the door liner 11 and the box body 12, and also play a role in filling the gap between the door liner 11 and the box body 12, so that the mutual circulation of air inside and outside the refrigerator is blocked, and the frost formation of the refrigerator is prevented.

The door seal is used as a combined sealing member between the refrigerator door liner 11 and the box body 12, the sealing effect of the door seal not only directly determines the energy-saving performance of the refrigerator, but also is related to the problem of frost formation of the refrigerator, and particularly, the vicious cycle sealing performance is poorer because ice blocks are formed after the lining opening is frosted. The utility model provides a pair of door strip of paper used for sealing structure that is fit for refrigerator-freezer door box structure has increased a plurality of seal structures at the structural door strip of paper used for sealing, has filled the clearance between door strip of paper used for sealing and door courage 11, door courage 11 and box 12, has improved the sealed of door courage 11 and box 12, has reduced refrigerator-freezer case air conditioning exposed probability, greatly reduced the risk that the refrigerator-freezer bushing frosted, and then improved the leakproofness of refrigerator-freezer.

In some embodiments, the first side airbag 8 and the second side airbag 9 are disposed between the door core 11 and the box body 12, the first side airbag 8 and the second side airbag 9 are disposed on two sides of a first door core corner 111, the first door core corner 111 protrudes toward the box body 12, and one sides of the first side airbag 8 and the second side airbag 9 close to the door core 11 are always abutted against the door core 11.

The first side air bag 8 and the second side air bag 9 are arranged on both sides of the first door bladder corner 111, if the cold air in the ice chest reaches the main air bag 7, the cold air passes through the first side air bag 8 and the second side air bag 9, the cold air reaching the main air bag 7 can be greatly reduced, and the leakage of the cold air is blocked. Meanwhile, the corner of the door liner 11 protruding towards the box body 12 is difficult to be attached to two sides of the corner because the main air bag 7 is in a shape, and if the main air bag 7 can only be attached to one side of the corner, compared with an ice chest utilizing a side air bag, cold air is more likely to leak, and the ice chest is more likely to frost.

First side gasbag 8 with 9 one sides of second side gasbag are close to door courage 11, moreover all the time with door courage 11 offsets, can be the connection first side gasbag 8 with the support bar of second side gasbag 9 support two side gasbags all the time with door courage 11 offsets, also can utilize the recess that sets up on door courage 11, fixed two side gasbags all the time with door courage 11 offsets. The two side air bags greatly fill the gap between the door liner 11 and the box body 12, are in interference design, and can properly adjust the air bag structure when the door liner 11 and the box body 12 are sealed, so that the sealing performance of the door seal strip is greatly improved.

In some embodiments, the second side airbag 9 is provided with annular reinforcing ribs 10, and the number of the annular reinforcing ribs 10 is more than one.

In order to improve the support performance of the side air bag and prevent the side air bag from collapsing and losing effects when the door is closed, an annular reinforcing rib 10 is designed on the side air bag, and the support performance and the stability of the side air bag are improved. As shown in figure 1, three annular reinforcing ribs 10 are arranged on the second side air bag 9, so that the supporting performance of the second side air bag 9 is improved, and the phenomenon that the refrigerator is frosted due to the fact that the refrigerator is seriously sunken and deformed due to the extrusion of the door liner 11 and the box body 12 and the insulation of cold and hot air inside and outside the refrigerator is influenced is avoided.

In some embodiments, at the end of the first inclined barb 1 away from the second inclined barb 2, the first inclined barb 1 extends along the direction of the first inclined barb 1 to abut against the inner wall of the omega-shaped groove on the door liner 11; keep away from at second slope barb 2 the one end of first slope barb 1, along the direction of second slope barb 2 extends to contradicting the inner wall of the omega shape recess on the door courage 11.

As shown in figure 1, the protruding structures extending from the first inclined barb 1 and the second inclined barb 2 contact with the inner wall of the omega-shaped groove on the door liner 11, and prevent the cold air from leaking out of the barb structures.

In some embodiments, the device further comprises a first top end air bag 13, the first top end air bag 13 is connected with the first inclined barb 1 and the second inclined barb 2, and the first top end air bag 13 is in contact with the inner wall of the omega-shaped groove on the door liner 11.

As shown in figure 2, the barb structure is provided with the first top end air bag 13, the first top end air bag 13 contacts the inner wall of the omega-shaped groove on the door liner 11, cold air is prevented from leaking from the omega-shaped groove on the door liner 11, and the air tightness of the door seal strip is improved. Meanwhile, the first top airbag 13 can be used for improving the supporting performance of the barb structure when the door seam is stretched and compressed.

In some embodiments, a second tip balloon 14 is further included, and the second tip balloon 14 is disposed between the first tip balloon 13 and the inner wall of the Ω -shaped groove.

As shown in fig. 1, two tip balloons are provided in the barb structure, and the two tip balloons are connected to each other. When the door seal is compressed and sealed, the first top end air bag 13 and the second top end air bag 14 are compressed, and meanwhile, the first top end air bag 13 and the second top end air bag 14 are mutually supported, so that the supporting force of the barb structure on the main air bag 7 is enhanced, the resilience of the door seal is improved, the sealing performance of the door seal is enhanced, and the possibility of frost formation of the refrigerator is reduced.

In some embodiments, the refrigerator further comprises a corner airbag 5, the corner airbag 5 is disposed on the main airbag 7, the corner airbag 5 contacts two sides of the second door core corner 112, the second door core corner 112 protrudes away from the refrigerator cabinet body 12, and one side of the corner airbag 5 close to the door core 11 is always abutted against the door core 11.

As shown in fig. 1 and 2, at the position of the corner 112 of the second door liner, if the corner airbag 5 is not provided, the main airbag 7 cannot be attached to both sides of the corner 112 of the second door liner, and a gap is left between the main airbag 7 and the door liner 11, after the corner airbag 5 is provided, because the corner airbag 5 is smaller than the main airbag 7 and is also shaped to be attached to the corner, the corner airbag can be well attached to the corner 112 of the second door liner, the gap between the main airbag 7 and the door liner 11 at the corner is filled, cold air leakage is prevented, and the sealing performance of the door seal is greatly improved, so that the problem of frost and icing of a freezer using the door seal without the corner airbag 5 is solved.

In some embodiments, the airbag further comprises sub-airbags 6, the sub-airbags 6 are arranged on the inner wall of the main airbag 7 on the side close to the door liner 11, the number of the sub-airbags 6 is more than one, and a plurality of the sub-airbags 6 are adjacent to each other in pairs.

The provision of the sub-bag 6 improves the stability and support of the main bag 7, and when the door seal is compressed and sealed, the main bag 7 is deformed by the compression. If the sub-airbag 6 is not arranged in the main airbag 7, the compressed main airbag 7 is concavely deformed in the middle, and the air tightness of the door seal is affected. After the sub-air bag 6 is arranged in the main air bag 7, when the main air bag 7 deforms due to extrusion, the main air bag 7 can contact the sub-air bag 6, and due to the support of the sub-air bag 6, the main air bag 7 of the door seal strip is prevented from being sunken and deformed in the middle, so that the rebound resilience of the door seal strip is improved, and the air tightness of the door seal strip is enhanced. The quantity of sub-gasbag 6 is greater than one, and two liang of adjacent between a plurality of sub-gasbag 6, and when sub-gasbag 6 received the extrusion back, can provide the support with other sub-gasbag 6 that are adjacent to it, compares in setting up a sub-gasbag 6, sets up a plurality of two liang of adjacent sub-gasbag 6, and the support to main gasbag 7 can strengthen.

In some embodiments, the door seal comprises a door seal flange 3, one end of the door seal flange 3 is arranged at the edge where the main airbag 7 is attached to the door liner 11, and the other end extends to the direction close to the door liner 11.

As shown in fig. 1 and 2, the door seam flashing is disposed at the edge where the main airbag 7 and the door liner 11 are attached, and extends toward the door liner 11, so as to cover the inner edge of the door liner 11, thereby achieving an aesthetic effect and blocking a part of the inside and outside air from flowing.

The application provides a refrigerator door strip of paper used for sealing, the strip of paper used for sealing includes barb structure and main gasbag 7, the barb structure sets up in the omega recess of door courage 11, barb structural connection is on main gasbag 7. The corner air bag 5 and the side air bag are connected with the outer part of the main air bag 7, the corner air bag 5 is arranged between the main air bag 7 and the corner of the door liner 11 to fill a gap between the main air bag 7 and the corner of the door liner 11, the side air bag is also arranged between the door liner 11 and the box body 12 like the main air bag 7, but the side air bag has smaller diameter than the main air bag 7 and can be arranged in a smaller gap between the door liner 11 and the box body 12 to help the main air bag 7 to block the circulation of cold and hot air inside and outside the freezer, so that the sealing performance is better improved, and the freezer is prevented from frosting. The plurality of sub-air bags 6 are arranged inside the main air bag 7, and the plurality of sub-air bags 6 are abutted in pairs, so that the stability and the support of the main air bag 7 of the door seal strip are improved, the rebound resilience of the door seal strip is improved when the refrigerator door is closed, and the sealing performance of the door seal strip is enhanced.

The embodiments provided in the present application are only a few examples of the general concept of the present application, and do not limit the scope of the present application. Any other embodiments extended according to the scheme of the present application without inventive efforts will be within the scope of protection of the present application for a person skilled in the art.

Claims

1. The utility model provides a refrigerator door strip of paper used for sealing, its characterized in that includes main gasbag (7), barb structure, first side gasbag (8) and second side gasbag (9), the barb structure sets up in the omega shape recess on door courage (11), the barb structural connection is in on main gasbag (7), the barb structure includes first slope barb (1) and second slope barb (2), the one end of first slope barb (1) with the one end of second slope barb (2) is connected, first slope barb (1) with connect through first support bar (41) between main gasbag (7), second slope barb (2) with the gasbag between connect through second support bar (42), the one end of first side gasbag (8) is connected main gasbag (7), the other end is connected second side gasbag (9).

2. The refrigerator door seal according to claim 1, wherein the first side airbag (8) and the second side airbag (9) are disposed between the door liner (11) and the box body (12), the first side airbag (8) and the second side airbag (9) are respectively disposed at two sides of the first door liner corner (111), the first door liner corner (111) protrudes toward the box body (12), and one sides of the first side airbag (8) and the second side airbag (9) close to the door liner (11) are always abutted against the door liner (11).

3. Refrigerator door seal according to claim 2, characterized in that the second side airbag (9) is provided with annular reinforcing ribs (10), the number of the annular reinforcing ribs (10) being greater than one.

4. Refrigerator door seal according to claim 3, characterised in that at the end of the first inclined barb (1) remote from the second inclined barb (2), extends in the direction of the first inclined barb (1) to abut against the inner wall of the omega-shaped groove on the door liner (11); keep away from in second slope barb (2) the one end of first slope barb (1), along the direction of second slope barb (2) extends to contradict the inner wall of the omega shape recess on door courage (11).

5. Refrigerator door seal according to claim 4, further comprising a first top end bladder (13), said first top end bladder (13) connecting said first inclined barb (1) and second inclined barb (2), said first top end bladder (13) being in contact with the inner wall of the omega shaped groove on said door bladder (11).

6. Refrigerator door seal according to claim 5, further comprising a second top end bladder (14), said second top end bladder (14) being arranged between said first top end bladder (13) and the inner wall of the Ω -shaped groove.

7. The refrigerator door seal according to claim 6, further comprising a corner airbag (5), wherein the corner airbag (5) is disposed on the main airbag (7), the corner airbag (5) contacts two sides of the corner (112) of the second door liner, the corner (112) of the second door liner protrudes away from the refrigerator cabinet body (12), and one side of the corner airbag (5) close to the door liner (11) is always abutted against the door liner (11).

8. Refrigerator door seal according to claim 7, further comprising sub-airbags (6), said sub-airbags (6) being arranged on the inner wall of said main airbag (7) on the side close to the door bladder (11), the number of said sub-airbags (6) being greater than one.

9. Refrigerator door seal according to claim 8, characterised in that a plurality of said sub-airbags (6) are contiguous two by two.

10. The refrigerator door seal according to claim 9, further comprising a door seal flash (3), wherein one end of the door seal flash (3) is disposed at an edge where the main airbag (7) and the door liner (11) are attached to each other, and the other end extends in a direction close to the door liner (11).