Refrigerator drain pipe structure

Abstract

The utility model relates to the technical field of refrigerators, in particular to a refrigerator drain pipe structure and a refrigerator thereof. The refrigerator drain pipe structure comprises a drain pipe and a water pan, the drain pipe is used for being communicated with a refrigerator heat exchange element, the water pan is used for bearing condensate water dripping from the refrigerator heat exchange element, the water pan is located on the lower side of the drain pipe, the water pan and a pipe opening of the drain pipe are arranged in a spaced mode, and a pressure relief unit is constructed at the end, close to the water pan, of the drain pipe. The pressure relief unit is configured to be opened or closed in response to the pressure difference inside and outside the drain pipe. The refrigerator has the advantages that the pressure relief unit is arranged, when the problems that condensate water is sucked back and a refrigerator door is difficult to open due to the fact that pressure difference exists inside and outside the drainage pipe, the pressure difference inside and outside the drainage pipe is balanced through automatic opening of the pressure relief unit, and therefore the problems are avoided. And the pressure relief plate of the pressure relief unit is in a state of closing the pressure relief opening when the internal and external pressure difference of the drainage pipe is balanced, so that contact between cold air and hot air is reduced, and frosting of the drainage pipe is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of refrigerator, especially a kind of refrigerator drain pipe structure and refrigerator thereof. BACKGROUND

[0002] Condensate water is generated in the heat exchange element in the refrigerator during heat exchange process, in order to facilitate the discharge of condensate water, usually set drain pipe structure in the heat exchange element below, the condensate water is guided to the water pan in the compressor warehouse.

[0003] Because condensate water is evaporated in water pan slowly, when the water amount in water pan is more, one end of drain connecting pipe is completely immersed in water, at this time, the inside and outside of the box are not in communication state, according to ideal gas equation PV=nRT, the decrease of temperature in the refrigerator and the volume change caused by magnetic stripe elasticity when preparing to open the door will make the negative pressure in the box increase, which causes the condensate water in water pan to be sucked back into the box, according to F=P*S, the increase of negative pressure will also cause the opening force of refrigerator to increase, these two problems will affect the normal use of refrigerator. SUMMARY

[0004] In view of the above technical problems, the utility model provides a kind of refrigerator drain pipe structure.

[0005] A kind of refrigerator drain pipe structure, comprising: drain pipe, for and the heat exchange element of refrigerator communication;Water pan, for carrying the condensate water that drops from the heat exchange element of refrigerator, the water pan is located the lower side of the drain pipe, and it is interval setting with the pipe orifice of the drain pipe;Wherein, the end portion of the drain pipe close to the water pan is configured with pressure relief unit, the pressure relief unit is configured to be able to open or close in response to the pressure difference inside and outside the drain pipe.

[0006] So set, the condensate water that refrigerator heat exchange element drops flows into drain pipe, and drops into water pan via drain pipe.The end portion of drain pipe is interval setting with water pan, so after water pan contains condensate water, drain pipe is not easy to contact the surface of condensate water.Pressure relief unit can open or close, so when the pressure difference inside and outside drain pipe appears, pressure relief unit can be automatically opened, so as to realize the pressure balance inside and outside drain pipe, avoid the problem that condensate water is sucked back or refrigerator door cannot be opened.In addition, when the pressure inside and outside drain pipe is balanced, pressure relief unit can also be automatically closed, so as to reduce the problem of frost produced by the contact of normal temperature air outside and low temperature air inside refrigerator, prevent frost from blocking the pipe orifice of drain pipe.

[0007] In one of the embodiments, a pressure relief opening is formed on the pipe wall of the drain pipe, and a pressure relief plate connected with the pipe wall of the drain pipe is arranged in the pressure relief opening.

[0008] In one of the embodiments, the pressure relief opening is in the form of a rectangular slot, and the pressure relief plate is in the form of a rectangular plate.

[0009] In one of the embodiments, the pressure relief unit is at least one along the circumferential direction of the drain pipe.

[0010] In one of the embodiments, a mounting seat is arranged in the water collecting tray, the mounting seat is connected with the bottom of the water collecting tray and protrudes towards the drain pipe, a mounting slot is formed in the mounting seat, and the drain pipe extends into the mounting slot.

[0011] In one of the embodiments, a positioning member is arranged in the mounting seat, the positioning member is coaxially arranged with the mounting slot, and the positioning member abuts against the inner wall of the drain pipe when the drain pipe extends into the mounting slot.

[0012] In one of the embodiments, the positioning member includes at least four positioning ribs, and two adjacent positioning ribs are arranged at an angle, and each positioning rib abuts against the pipe wall of the drain pipe.

[0013] In one of the embodiments, the positioning rib includes a limiting segment and an abutting segment, the limiting segment is connected with the abutting segment, and the abutting segment is located at the bottom of the mounting slot, the limiting segment abuts against the inner wall of the drain pipe when the drain pipe extends into the mounting slot, and the port of the drain pipe abuts against the abutting segment.

[0014] In one of the embodiments, a groove is formed on the side wall of the mounting seat, and the groove penetrates through the side wall of the mounting seat along the radial direction of the mounting seat.

[0015] The utility model also provides a refrigerator, which comprises the refrigerator drain pipe structure as described above.

[0016] Compared with the prior art, the refrigerator drain pipe structure provided by the utility model sets a pressure relief unit, when there is a pressure difference between the inside and outside of the drain pipe and this leads to problems such as condensate water siphon back and difficulty in opening the refrigerator door, the pressure difference between the inside and outside of the drain pipe is balanced through automatic opening of the pressure relief unit, so that the above problems are avoided. And the pressure relief plate of the pressure relief unit is in the state of closing the pressure relief port when the pressure difference between the inside and outside of the drain pipe is balanced, so that the contact of cold and hot air is reduced, so that the drain pipe is prevented from frosting. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The structure schematic view of one of the embodiments of the refrigerator drain pipe structure provided by the utility model;

[0018] Figure 2 The structure schematic view of one of the embodiments of the drain pipe provided by the utility model;

[0019] Figure 3 The structure schematic view of one of the embodiments of the water pan provided by the utility model;

[0020] Figure 4 For Figure 3 The local enlarged view of A in the figure.

[0021] The meanings of the symbols in the figure are as follows:

[0022] 100, refrigerator drain pipe structure; 10, drain pipe; 11, pressure relief port; 12, pressure relief plate; 20, water pan; 21, mounting seat; 22, mounting groove; 221, positioning piece; 23, positioning rib; 231, limiting section; 232, abutting section; 24, groove. DETAILED DESCRIPTION

[0023] In order to make the above purposes, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application are described in detail below. In the following description, a lot of specific details are set forth in order to fully understand the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present application, therefore the present application is not limited by the specific embodiments disclosed below.

[0024] It should be noted that when an organization is referred to as "fixed to" or "provided to" another organization, it can be directly on another organization or there can be a central organization. When an organization is considered to be "connected" to another organization, it can be directly connected to another organization or there can be a central organization. The terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used in the specification of the present application are only for the purpose of illustration, and do not represent the only implementation.

[0025] In addition, the terms "first", "second", etc. are used only for descriptive purposes and are not to be construed as indicating or implying relative importance or an ordered ranking of the indicated technical features. Thus, features defined with "first", "second" can include at least one of the features explicitly or implicitly. In the description of the present application, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise explicitly and specifically limited.

[0026] In the present application, unless otherwise explicitly specified and limited, the "on", "under", "above" and "over" of the first feature to the second feature can be that the first feature is in direct contact with the second feature, or the first feature is indirectly in contact with the second feature through an intermediate medium. Moreover, the "on", "above" and "over" of the first feature to the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the first feature is horizontally higher than the second feature. The "under", "below" and "under" of the first feature to the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the first feature is horizontally lower than the second feature.

[0027] Unless otherwise defined, all technical and scientific terms used in the specification of the present application have the same meaning as commonly understood by one skilled in the art to which the present application belongs. The terms used in the specification of the present application are only for the purpose of describing the specific embodiments and are not intended to limit the present application. The term "and / or" used in the specification of the present application includes any and all combinations of one or more related listed items.

[0028] The utility model provides a kind of refrigerator drain pipe structure 100, can balance the pressure difference inside and outside drain pipe 10 by the pressure relief unit on drain pipe 10, to prevent condensate from being sucked into drain pipe 10.

[0029] Please see Figures 1-4 , refrigerator drain pipe structure 100 includes drain pipe 10 and water pan 20, drain pipe 10 is used to and refrigerator heat exchange element communication, water pan 20 is used to support the condensate that drops from refrigerator heat exchange element, water pan 20 is located at the lower side of drain pipe 10, and it is interval setting with the pipe orifice of drain pipe 10, wherein, the end portion of drain pipe 10 close to water pan 20 is configured with pressure relief unit, pressure relief unit is configured to be able to open or close in response to the pressure difference inside and outside drain pipe 10.

[0030] Thus, the condensed water dropped from the heat exchange element of the refrigerator flows into the drain pipe 10 and drips into the water pan 20 through the drain pipe 10. The end of the drain pipe 10 is spaced apart from the water pan 20, so that the drain pipe 10 is not easily in contact with the surface of the condensed water after the water pan 20 contains the condensed water. The pressure relief unit can be opened or closed, so that when a pressure difference occurs inside and outside the drain pipe 10, the pressure relief unit can be automatically opened to balance the pressure inside and outside the drain pipe 10, avoiding the problem of condensed water being sucked back or the refrigerator door being unable to open. In addition, when the pressure inside and outside the drain pipe 10 is balanced, the pressure relief unit can also be automatically closed, thereby reducing the problem of frost generated by the contact between the external normal temperature air and the low temperature air inside the refrigerator, and preventing the pipe opening of the drain pipe 10 from being blocked by frost.

[0031] It should be explained that the refrigerator drain pipe structure 100 is generally applied to the heat exchange system of the refrigerator, and the refrigerator is generally placed horizontally on the ground during normal use, so the above-mentioned lower side refers to the lower side in the direction of gravity. When the refrigerator is not in a vertical placement state, the direction of the lower side refers to the direction towards the bottom of the refrigerator.

[0032] The drain pipe 10 has a pressure relief opening 11 formed in the pipe wall, and the pressure relief opening 11 is provided with a pressure relief plate 12 connected to the pipe wall of the drain pipe 10. The pressure relief plate 12 blocks the pressure relief opening 11, and can be bent towards the inside / outside of the drain pipe 10 as the pressure difference inside and outside the drain pipe 10 changes. In this way, when the pressure relief plate 12 is bent inward or outward, the environment inside and outside the pipe of the drain pipe 10 is connected to balance the pressure inside and outside the pipe. The bending of the pressure relief plate 12 can balance the pressure inside and outside the pipe, and the structure is simple. Therefore, in this embodiment, the pressure relief unit is the structure of the pressure relief plate 12 described above.

[0033] In other embodiments, the pressure relief unit does not necessarily have a plate structure and an opening in the pipe wall. It can also be provided as an end cap structure, which is provided on the pipe opening of the drain pipe 10. As the pressure difference inside and outside changes, the end cap structure can be opened or closed to connect the inside and outside environments to balance the pressure difference inside and outside.

[0034] Specifically, the pressure relief opening 11 is provided as a rectangular slot structure, and the pressure relief plate 12 is provided as a rectangular plate structure matched with the pressure relief opening 11. One side of the pressure relief plate 12 is elastically connected to the pipe wall forming the pressure relief opening 11 of the drain pipe 10. In this way, the rectangular structure is easy to process, and the rectangular plate is more tightly closed. The elastic connection enables the pressure relief plate 12 to return to the initial position by its elastic deformation force. In this embodiment, the pressure relief plate 12 is directly integrally formed with the pipe wall of the drain pipe 10 and is made of an elastic material. In other embodiments, the pressure relief plate 12 can be rotatably connected to the pipe wall of the drain pipe 10, for example, by cooperating a rotating shaft and a torsional spring to keep the pressure relief plate 12 at a set position.

[0035] In other embodiments, the pressure relief port 11 can also be provided as a circular slot, a triangular slot, etc., without being limited to the above-mentioned rectangular slot, and the pressure relief plate 12 is provided in the same structure as long as it can be tightly covered.

[0036] The pressure relief unit is provided as at least one along the circumference of the drain pipe 10. Exemplarily, the pressure relief unit can also be provided as two, and respectively located at the opposite sides of the drain pipe 10,

[0037] The water pan 20 is internally provided with a mounting seat 21, which is connected to the bottom of the water pan 20 and protrudes towards the direction of the drain pipe 10, and the mounting seat 21 is provided with a mounting groove 22, and the drain pipe 10 extends into the mounting groove 22. In this way, the mounting seat 21 can limit the port of the drain pipe 10 to reduce its shaking, and the condensed water dripping in the drain pipe 10 will first enter the mounting groove 22, thereby reducing the splashing of the condensed water.

[0038] Further, the mounting seat 21 is provided with a positioning member 221, which is coaxially arranged with the mounting groove 22, and as the drain pipe 10 extends into the mounting groove 22, the positioning member 221 abuts against the inner wall of the drain pipe 10. In this way, the position of the drain pipe 10 is further ensured to be stable.

[0039] The positioning member 221 includes at least four positioning ribs 23, and adjacent two positioning ribs 23 are arranged at an angle, and each positioning rib 23 abuts against the wall of the drain pipe 10. In this way, the four positioning ribs 23 can limit the position of the drain pipe 10 from at least four directions to reduce its shaking.

[0040] In the present embodiment, the four positioning ribs 23 are arranged perpendicularly in pairs, so that the drain pipe 10 receives a more balanced limiting effect. In other embodiments, the positioning ribs 23 can also be correspondingly increased to six or eight, etc.

[0041] The positioning rib 23 includes a limiting segment 231 and an abutting segment 232, and the limiting segment 231 is connected with the abutting segment 232, and the abutting segment 232 is located at the bottom of the mounting groove 22, when the drain pipe 10 extends into the mounting groove 22, the limiting segment 231 abuts against the inner wall of the drain pipe 10, and the port of the drain pipe 10 abuts against the abutting segment 232. In this way, the abutting segment 232 can ensure the axial position of the drain pipe 10 to be stable, and the limiting segment 231 can ensure the position of the drain pipe 10 in the radial direction to be stable.

[0042] The side wall of the mounting seat 21 is provided with a groove 24, which penetrates the side wall of the mounting seat 21 along the radial direction of the mounting seat 21. In this way, the two grooves 24 can be used for the condensed water to flow out, and facilitate the assembly of the drain pipe 10, and also can observe the state of the drain pipe 10 through the grooves 24.

[0043] The utility model further provides a refrigerator, including the refrigerator drain pipe structure 100 as described above.

[0044] Compared with the prior art, the refrigerator drain pipe structure 100 provided by the utility model sets up pressure relief unit, when the pressure difference exists between the inside and outside of the drain pipe 10 and then leads to condensed water siphon and the refrigerator door difficult to open and other problems, the pressure difference between the inside and outside of the drain pipe 10 is balanced through the automatic opening of the pressure relief unit, so that the above problems are avoided.And the pressure relief plate 12 of pressure relief unit will be in the state of closing pressure relief port 11 when the pressure difference between the inside and outside of the drain pipe 10 is balanced, so as to reduce the contact of cold and hot air, so as to avoid the frost of the drain pipe 10.

[0045] The technical features of the above-described embodiments can be combined arbitrarily, and to make the description concise, all possible combinations of the technical features in the above-described embodiments are not described, however, as long as the combination of the technical features does not exist contradictory, it should be considered as the scope of the present application.

[0046] The above-described embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but it should not be understood as the limitation of the scope of the utility model patent. It should be pointed out that for ordinary skilled in the art, on the premise of not departing from the concept of the utility model, a number of modifications and improvements can be made, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.

Claims

1. A drain structure of a refrigerator, characterized by comprising: The application relates to a refrigerator drain pipe structure. The application relates to a refrigerator drain pipe structure. The application relates to a refrigerator drain pipe structure. The application relates to a refrigerator drain pipe structure.

2. The refrigerator drain structure according to claim 1, characterized in that, The application relates to a refrigerator drain pipe structure.

3. The refrigerator drain structure according to claim 2, characterized in that, The application relates to a refrigerator drain pipe structure.

4. The refrigerator drain structure according to claim 1, characterized in that, The application relates to a refrigerator drain pipe structure.

5. The refrigerator drain structure according to claim 1, wherein, The application relates to a refrigerator drain pipe structure.

6. The refrigerator drain structure according to claim 5, wherein, The application relates to a refrigerator drain pipe structure.

7. The refrigerator drain structure according to claim 6, wherein, The application relates to a refrigerator drain pipe structure.

8. The refrigerator drain structure according to claim 7, characterized in that, The application relates to a refrigerator drain pipe structure.

9. The refrigerator drain structure according to claim 6, wherein, The application relates to a refrigerator drain pipe structure.

10. A refrigerator characterized by comprising: The application relates to a refrigerator drain pipe structure. The application relates to a refrigerator drain pipe structure. The application relates to a refrigerator drain pipe structure. The application relates to a refrigerator drain pipe structure. The application relates to a refrigerator drain pipe structure. The application relates to a refrigerator drain pipe structure. The application relates to a refrigerator drain pipe structure. The application relates to a refrigerator drain pipe structure. The application relates to a refrigerator drain pipe structure. The application relates to a refrigerator drain pipe structure. The application relates to a refrigerator drain pipe structure. The application relates to a refrigerator drain pipe structure. The application relates to a refrigerator drain pipe structure. The application relates to a refrigerator drain pipe structure. 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