阅读说明：本技术 一种冰箱 (A kind of refrigerator ) 是由 刘恒友 于 2019-01-14 设计创作，主要内容包括：一种冰箱,包括箱体、以及用于实现箱体内外气压平衡的气压平衡结构,所述气压平衡结构具有中空的本体、设置在所述本体内的至少一个密封片,所述本体的一端与冰箱内部连通、另一端与外界连通；所述密封片为弹性材料制成,其设有切缝；所述密封片两侧压力大于设定阈值时,所述切缝被撑开使密封片两侧空间气流连通；所述密封片两侧压力小于设定阈值时,所述切缝紧密贴合,所述密封片两侧空间气流互相隔离。通过设置中空的本体,并且所述本体的一端与冰箱内部连通、另一端与外界连通,使得冰箱内外的气体可以通过本体连通。在所述本体内设有至少一个密封片,在密封片上设置切缝,使得箱体内外的气压快速平衡,防止箱体内的冷气外漏,防止凝露的发生。(A refrigerator comprises a refrigerator body and an air pressure balancing structure for realizing air pressure balance inside and outside the refrigerator body, wherein the air pressure balancing structure is provided with a hollow body and at least one sealing sheet arranged in the body, one end of the body is communicated with the inside of the refrigerator, and the other end of the body is communicated with the outside; the sealing piece is made of elastic materials and is provided with a cutting seam; when the pressure on the two sides of the sealing piece is greater than a set threshold value, the cutting joint is unfolded to enable the spaces on the two sides of the sealing piece to be communicated in an air flow mode; when the pressure on the two sides of the sealing piece is smaller than a set threshold value, the cutting seams are tightly attached, and the air flows in the spaces on the two sides of the sealing piece are isolated from each other. Through setting up hollow body to the one end and the inside intercommunication of refrigerator, the other end and the external intercommunication of body make the inside and outside gas of refrigerator can pass through the body intercommunication. The body is internally provided with at least one sealing sheet, and the sealing sheet is provided with a cutting seam, so that the air pressure inside and outside the box body is balanced quickly, the cold air in the box body is prevented from leaking outwards, and the condensation is prevented.)

1. A refrigerator comprises a refrigerator body and an air pressure balancing structure for realizing air pressure balance inside and outside the refrigerator body, and is characterized in that the air pressure balancing structure is provided with a hollow body and at least one sealing sheet arranged in the body, one end of the body is communicated with the inside of the refrigerator, and the other end of the body is communicated with the outside; the sealing piece is made of elastic materials and is provided with a cutting seam; when the pressure on the two sides of the sealing piece is greater than a set threshold value, the cutting joint is unfolded to enable the spaces on the two sides of the sealing piece to be communicated in an air flow mode; when the pressure on the two sides of the sealing piece is smaller than a set threshold value, the cutting seams are tightly attached, and the air flows in the spaces on the two sides of the sealing piece are isolated from each other.

2. The refrigerator as claimed in claim 1, wherein the air pressure balancing structure further comprises a fixing seat for fixing the sealing sheet, and the body is provided with a mounting hole matching with the fixing seat.

3. The refrigerator according to claim 2, wherein the sealing sheet has a sealing portion at one side of the holder and an assembling portion covering the outer circumference of the holder, the assembling portion being located between the holder and a wall of the assembling hole.

4. The refrigerator as claimed in claim 2, wherein the fixing seat is assembled with the assembling hole in an interference fit manner.

5. The refrigerator as claimed in claim 2, wherein the fixing seat is snap-fixed at the fitting hole.

6. The refrigerator of claim 1, wherein the air pressure balancing structure is disposed between the cabinet and the inner container of the refrigerator.

7. The refrigerator according to claim 1, wherein the air pressure balancing structure is provided in a door body of the refrigerator, and a sealing member is provided between the body and an inner case of the door body, the sealing member being bonded between the body and the inner case.

8. The refrigerator according to claim 2, wherein the air pressure balancing structure is disposed in a door body of the refrigerator, a door end cover located at a lower end of the door body is disposed on the door body, an upwardly convex mounting opening is disposed on the door end cover, and a convex mounting nozzle assembled with the mounting opening is disposed on the body.

9. The refrigerator as claimed in claim 8, wherein the fixing base is provided on the body to extend upward along the mounting nozzle.

10. The refrigerator as claimed in claim 1, wherein the body includes a first connector communicating with an inside of the cabinet, a second connector communicating with an outside, and a third connector sealing-connecting the first connector and the second connector.

Technical Field

The invention belongs to the technical field, and particularly relates to a refrigerator.

Background

With the development of society, the living standard of people is improved, and higher requirements are put forward on the quality of refrigerators. In the prior art, after a refrigerator is refrigerated, the temperature inside the refrigerator is reduced, when external hot air enters the refrigerator, negative pressure is formed inside the refrigerator, and the air pressure inside and outside the refrigerator is unbalanced, so that the refrigerator is difficult to open; particularly, for a side-by-side combination refrigerator or a French refrigerator, because the height of the door body is very large, generally more than 1.7 m, the suction force of the door seal required to be arranged is large, and the door opening of the refrigerator is more difficult due to the unbalance of internal and external air pressures; the problem that the refrigerator door is not opened when the door is opened, so that the refrigerator moves often occurs.

In order to overcome the pressure difference between the inside and the outside of the refrigerator, an air pressure balance structure with balanced inside and outside needs to be designed, and meanwhile, the problems of cold air leakage and condensation need to be prevented.

Disclosure of Invention

The invention aims at the problems in the prior art and provides a refrigerator which is provided with an air pressure balance structure, so that the effect of balancing the pressure inside and outside the refrigerator is achieved, and the door opening pressure is reduced.

In order to achieve the technical purpose, the invention adopts the following technical scheme:

a refrigerator comprises a refrigerator body and an air pressure balancing structure for realizing air pressure balance inside and outside the refrigerator body, wherein the air pressure balancing structure is provided with a hollow body and at least one sealing sheet arranged in the body, one end of the body is communicated with the inside of the refrigerator, and the other end of the body is communicated with the outside; the sealing piece is made of elastic materials and is provided with a cutting seam; when the pressure on the two sides of the sealing piece is greater than a set threshold value, the cutting joint is unfolded to enable the spaces on the two sides of the sealing piece to be communicated in an air flow mode; when the pressure on the two sides of the sealing piece is smaller than a set threshold value, the cutting seams are tightly attached, and the air flows in the spaces on the two sides of the sealing piece are isolated from each other.

Further, the air pressure balance structure is also provided with a fixed seat used for assembling and fixing the sealing sheet, and the body is provided with an assembling hole matched with the fixed seat.

Further, the gasket has the sealing part that is located fixing base one side and the cladding and is in the assembly part of fixing base periphery, the assembly part is located between the pore wall of fixing base and pilot hole.

Furthermore, the fixing seat and the assembling hole are assembled in an interference fit mode.

Furthermore, the fixing seat is clamped and fixed at the assembling hole.

Further, the air pressure balance structure is arranged between the refrigerator body and the inner container of the refrigerator.

Further, the air pressure balance structure is arranged in a door body of the refrigerator, a sealing piece is arranged between the body and an inner shell of the door body, and the sealing piece is bonded between the body and the inner shell.

Furthermore, the air pressure balance structure is arranged in a door body of the refrigerator, a door end cover positioned at the lower end of the door body is arranged on the door body, an upward convex mounting opening is formed in the door end cover, and a convex mounting nozzle assembled with the mounting opening is formed in the body.

Furthermore, the body is provided with a fixed seat which extends upwards along the installation nozzle.

Furthermore, the body comprises a first connecting piece communicated with the interior of the box body, a second connecting piece communicated with the outside, and a third connecting piece connected with the first connecting piece and the second connecting piece in a sealing mode.

Furthermore, a first sealing plate used for sealing an inner cavity of the first connecting piece is arranged in the first connecting piece, and the first sealing plate is provided with the assembling hole.

Furthermore, the first connecting piece is provided with a first strip-shaped square cylinder and a first sealing plate arranged in the first square cylinder, and one end, far away from the third connecting piece, of the first square cylinder is provided with a bent and extended flanging.

Furthermore, a second sealing plate used for sealing an inner cavity of the second connecting piece is arranged in the second connecting piece, and the second sealing plate is provided with the assembling hole.

Further, the mounting nozzle is in a bell mouth shape which extends towards the outer periphery and gradually widens.

Furthermore, the second connecting piece is provided with a strip-shaped second square cylinder and a second sealing plate arranged at one end part of the second square cylinder.

Furthermore, a second hole edge extending towards the connecting piece is arranged at the second air vent, and the second fixed seat is fixedly arranged in the second hole edge in a sealing mode.

Furthermore, one end of the second connecting piece is provided with a second wrapping edge wrapping the outer side of the end part of the connecting piece.

Furthermore, one end of the third connecting piece is provided with a first wrapping edge wrapping the outer side of the end part of the first connecting piece.

Furthermore, a groove is formed in the door end cover, and the mounting opening is formed in the bottom of the groove.

The refrigerator air pressure balancing structure provided by the invention has the advantages that the hollow body is arranged, one end of the body is communicated with the inside of the refrigerator, and the other end of the body is communicated with the outside, so that the air inside and outside the refrigerator can be communicated through the body. At least one sealing sheet is arranged in the body, a cutting seam is arranged on the sealing sheet, and when the pressure on two sides of the sealing sheet is greater than a set threshold value, the cutting seam is unfolded to enable the spaces on two sides of the sealing sheet to be communicated in an air flow mode, so that the pressure on two sides of the sealing sheet is the same, and the air pressure inside and outside the box body is rapidly balanced; when the pressure on the two sides of the sealing sheet is smaller than a set threshold value, the cutting seams are tightly attached, and the air flows in the spaces on the two sides of the sealing sheet are mutually isolated, so that the cold air in the box body is prevented from leaking outwards, and the condensation is prevented. Air pressure balance structure inside and outside box

Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when taken in conjunction with the accompanying drawings.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of a refrigerator according to the present invention;

FIG. 2 is an enlarged schematic view of the air pressure balance structure of FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 2;

FIG. 4 is an enlarged schematic view of the first connecting member of FIG. 2;

FIG. 5 is a rear view of the structure of FIG. 4;

FIG. 6 is an enlarged view of the sealing plate of FIG. 5;

FIG. 7 is an enlarged schematic view of the second connector of FIG. 2;

FIG. 8 is a schematic view of the structure of FIG. 7 at another angle;

fig. 9 is a schematic top view of fig. 8.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. In the description of the present invention, it should be noted that the terms "inner", "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the positional relationships shown in the drawings, and the side close to the user in the normal use state is "front", and the side away from the user is "rear". The terminology is for the purpose of describing the invention only and is for the purpose of simplifying the description, and is not intended to indicate or imply that the device or element so referred to must be in a particular orientation, constructed and operated, and is not to be considered limiting of the invention. Moreover, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1 to 9, an embodiment of a refrigerator according to the present invention includes a refrigerator body and an air pressure balancing structure for balancing air pressure inside and outside the refrigerator body, the air pressure balancing structure includes a hollow body 1 and at least one sealing sheet 2 disposed inside the body 1, one end of the body 1 is communicated with the inside of the refrigerator, and the other end is communicated with the outside; the sealing piece 2 is made of elastic material and is provided with a cutting seam 21; when the pressure on the two sides of the sealing piece 2 is greater than a set threshold value, the cutting joint 21 is expanded to enable the spaces on the two sides of the sealing piece 2 to be communicated in an air flow mode; when the pressure on the two sides of the sealing piece 2 is smaller than a set threshold value, the cutting seams 21 are tightly attached, and the air flows in the spaces on the two sides of the sealing piece 2 are isolated from each other. Set up hollow body 1 through atmospheric pressure balanced structure to the one end that sets up body 1 and the inside intercommunication of refrigerator, the other end and external intercommunication make the inside and outside gas of refrigerator can pass through the body intercommunication. At least one sealing piece 2 is arranged in the body 1, the sealing piece 2 is made of elastic materials, and a cutting seam 21 is arranged on the sealing piece 2; when the pressure on the two sides of the sealing sheet 2 is greater than a set threshold value, the cutting seam 21 is unfolded to enable the space air flow on the two sides of the sealing sheet 2 to be communicated, so that the pressure on the two sides of the sealing sheet is the same, and the air pressure inside and outside the box body is rapidly balanced. When the pressure of the two sides of the sealing sheet 2 is smaller than a set threshold value, the cutting seams 21 are tightly attached, so that the space airflows at the two sides of the sealing sheet are mutually isolated, the cold air in the box body is prevented from leaking outwards, and the condensation is prevented.

The sealing piece 2 is made of elastic materials such as silica gel or rubber, and the sealing piece 2 is provided with a cutting seam 21 which can be opened and closed, so that air flow circulation on two sides of the sealing piece is realized. The slits 21 may be linear, and in order to facilitate spreading of the slits 21 under the pressure difference between the two sides, the slits 21 are straight slits that are arranged at two ends of the linear shape and intersect with each other, that is, the slits 21 are Y-shaped and symmetrically arranged.

The air pressure balance structure is also provided with a fixed seat 4 for assembling and fixing the sealing sheet 2, and the body 1 is provided with an assembling hole matched with the fixed seat 4. Firstly, assembling the sealing sheet 2 on the fixed seat 4, and then fixing the fixed seat 4 in the assembling hole; through setting up fixing base 4, be favorable to the fastness of gasket 2 fixed to be favorable to improving the atress performance.

For the assembly of the fixed seat 4, the fixed seat 4 can be clamped and fixed at the assembling hole, and the fixed seat 4 is clamped and tightly contacted with the hole wall of the assembling hole; also can set up between fixing base 4 and the pilot hole for interference fit assembly, realize fixing base 4 snap-on in the pilot hole through interference fit. The sealing sheet 2 is in an elastic sheet shape, the sealing sheet 2 is provided with a sealing part positioned on one side of the fixed seat 4 and an assembling part coated on the periphery of the fixed seat 4, and the assembling part is positioned between the fixed seat 4 and the hole wall of the assembling hole; that is, the fixing of the sealing sheet 2 is realized by extruding the assembling part between the fixed seat 4 and the hole wall of the assembling hole, and the fixed seat 4 is in a hollow cylinder shape.

The setting position of the air pressure balance structure can be arranged between the box body and the inner container, and can also be arranged in the door body 10, and the inside of the box body can be communicated with the outside. It is preferable to provide the air pressure balance structure in the door body 10, and the air pressure balance structure will be described below as an example in which it is provided in the door body 10.

For the fixed arrangement of the body 1, a sealing piece 6 is arranged between the body 1 and the inner shell 101 of the door body 10, the sealing performance is improved, and the sealing piece 6 is bonded between the body 1 and the inner shell 1101. The inner shell 101 is provided with a first through hole 105 communicated with the inner cavity of the body 1. The door body 20 is provided with a door end cover 102 positioned at the lower end of the door body 20, the door end cover 102 is provided with a second through hole communicated with the inner cavity of the body 1, and the body 1 is communicated with the inside and the outside of the refrigerator through the first through hole 105 and the second through hole.

Referring to fig. 2, the body 1 includes a first connecting member 11 communicating with the inside of the case, a second connecting member 12 communicating with the outside, and a third connecting member 13 sealingly connecting the first connecting member 11 and the second connecting member 12, that is, the body 1 is formed by sequentially connecting three parts. Have sealing connection first connecting piece 1, connecting piece 13 and 12 triplex sealing connection of second connecting piece through setting up body 1, can have great sealed assembly scope, can compensate the improper scheduling problem of assembly that manufacturing error arouses, be favorable to the fixed mounting of atmospheric pressure balanced structure in door body 10, be favorable to improving the leakproofness.

In this embodiment, all be equipped with gasket 2 on first connecting piece 11 and second connecting piece 12, namely formed the interval space between two gaskets 2 in body 1, when the atmospheric pressure outside the box was balanced, first gasket 2 and second gasket 3 were in the closed condition, and the interval space is sealed, can play the heat preservation effect, is favorable to increasing the leakproofness, avoids the hourglass of air conditioning to and avoided the problem that produces the condensation. Through setting up first gasket 2 and second gasket 3, ensure even if one gasket became invalid and do not have the switching function under the condition, atmospheric pressure balanced structure can still normally work.

Referring to fig. 4 and 5, a first sealing plate 111 for sealing an inner cavity of the first connecting member 11 is disposed in the first connecting member 11, an assembly hole is disposed on the first sealing plate 111, and the sealing plate 2 is assembled at the assembly hole through the fixing seat 4; preferably, the first sealing plate 111 is provided with at least two mounting holes spaced apart. The first sealing plate 111 is arranged to seal the inner cavity of the first connecting member 11, that is, the isolation space and the interior of the refrigerator are communicated with each other through the two sealing sheets 2 on the first connecting member 11 to balance air pressure. The inboard of first connecting piece 13 matches with first connecting piece 11, and the space sectional area of gasket 2 both sides is more than the area of pilot hole 2 itself promptly, is favorable to when the atmospheric pressure is uneven in the refrigerator inside and outside, keeps apart the space and plays a little interval effect, and inside external gas passed through body 1 and gets into the refrigerator, plays the effect that interval cold air outflows. When the pressure inside and outside the refrigerator is balanced, the isolation space plays a role in interval heat preservation, and cold air is prevented from leaking outside.

Referring to fig. 7 to 9, a second sealing plate 121 for sealing an inner cavity of the second connecting member 12 is disposed in the second connecting member 12, a mounting hole is formed in the second sealing plate 121, the sealing plate 2 is mounted at the mounting hole through the fixing seat 4, and preferably, at least two mounting holes are formed in the second sealing plate 121 at intervals. The second closing plate 121 is arranged to close the inner cavity of the second connecting piece 12, that is, the isolated space and the outside are communicated to balance air pressure through the two sealing pieces 2 on the second connecting piece 12; the connecting piece 13 outside matches with second connecting piece 12, and the space sectional area of second gasket 3 both sides is far greater than the area of second gasket 3 itself promptly, is favorable to when the atmospheric pressure is uneven inside and outside the refrigerator, keeps apart the space and plays the interval effect, opens gasket 2 on the gasket 2 of second connecting piece 12 and the first connecting piece 11 in proper order, avoids external and refrigerator space's direct intercommunication, plays the effect that interval air conditioning outflows. When the pressure inside and outside the refrigerator is balanced, the isolation space plays a role in interval heat preservation, and cold air is prevented from leaking outside.

A first hole edge 112 extending towards the third connecting piece 13 is arranged at the assembling hole on the first connecting piece 11, and the fixed seat 4 is fixedly arranged in the first hole edge 112 in a sealing way. Through setting up first hole along 112, be favorable to fixed to the installation of first fixing base 4 to and increase the stability after fixing.

The first connecting member 11 has a first strip-shaped square tube 110 and a first sealing plate 111 disposed in the first square tube 110, and a bent and extended flange 113 is disposed at one end of the first square tube 110 away from the connecting member 13. The flanging 113 of the first connecting piece 11 is installed at the inner shell 101 of the door body 10, and the arrangement of the flanging 113 is beneficial to increasing the assembling area of the first connecting piece 11 and the inner shell 101.

Referring to fig. 2 and 7, a mounting nozzle 122 extending toward the outside is provided at the mounting hole of the second sealing plate 121, or the mounting nozzle 122 extends upward to form a mounting hole. The door end cover 102 of the door body is provided with an installation port 1021 matching with the installation nozzle 122, and the installation port 1021 is positioned in the installation nozzle 1211. The mounting nozzle 122 is in a bell mouth shape extending outward and gradually widening, and the mounting port 1021 is located in the mounting nozzle 122. A recess 1022 is provided in the door end cover 102, and the mounting port 1021 is provided at the bottom of the recess 1022. A sponge tape is arranged between the mounting nozzle 122 and the mounting opening 1021 for sealing, so that foaming materials are prevented from flowing in.

The second connector 12 has a second square tube 120 having a bar shape, and a second closing plate 121 provided at one end of the second square tube 120, and a mounting nozzle 122 extending in a direction away from the connector 13. A second hole edge 123 extending in the direction of the third connecting member 13 is provided at the fitting hole of the second connecting member 12. Through setting up second hole along 123, be favorable to fixed to the installation of fixing base 4 to and increase the stability after fixing.

For the connection assembly among the three parts of the first connecting piece 11, the connecting piece 13 and the second connecting piece 12 of the body 1, one end of the second connecting piece 12 is provided with a second wrapping edge 124 wrapping the outer side of the end part of the third connecting piece 13, and one end of the connecting piece 13 is provided with a first wrapping edge 131 wrapping the outer side of the end part of the first connecting piece 11; when the pressure inside and outside the refrigerator is unbalanced, the cutting seams 21 of the sealing sheet 2 are opened, and outside air enters the refrigerator to balance air pressure after flowing through the second connecting piece 12, the third connecting piece 13 and the first connecting piece 11; the gas flowing direction in the body 1 is taken as the front, and conversely, the gas flowing direction in the body 1 is taken as the back, the latter part is coated outside the end part of the former part, namely, the coating direction is the same as the gas flowing direction, so that the gas tightness after assembly is favorably increased.

The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.