CN218495557U - Drain pipe for refrigerator and refrigerator - Google Patents

Abstract

The utility model relates to a drain pipe and refrigerator for refrigerator. The drain pipe includes: the tube body is used for communicating a water outlet of the refrigerator with an evaporation pan of the refrigerator, so that water discharged from the water outlet flows to the evaporation pan along the tube body; and a non-return blocking sheet provided inside the middle section of the tube body and having an open state for guiding the tube body to allow water flowing into the tube body to flow toward the evaporation dish and a closed state for blocking the tube body to prevent outside air at the evaporation dish from entering the drain port through the tube body. The utility model discloses a drain pipe has and ends contrary function, can avoid using the refrigerator of this drain pipe to influence its refrigeration effect or lead to the problem that its energy consumption increases because of outside air's entering. And, the utility model discloses a non-return separation blade sets up in the inside of body portion middle part district section, can not receive collision or extrusion, can not damage easily, has still reduced the orientation requirement to the terminal port of body portion, and then has reduced the assembly requirement to the drain pipe.

Description

Drain pipe for refrigerator and refrigerator

Technical Field

The utility model relates to a cold-stored freezing technique especially relates to a drain pipe and refrigerator for refrigerator.

Background

In daily life, people mainly use refrigerators to refrigerate and store foods. Along with the continuous increase of refrigerator function, the components and parts of carrying in the compressor storehouse are also more and more, and operating space is littleer and more, leads to the installation degree of difficulty of drainage connecting pipe to be bigger and bigger. The existing installation scheme of the drainage connecting pipe still mainly adopts manual installation, which puts a lot of restrictions on the operation procedure, and the drainage connecting pipe must be installed firstly and then other parts are installed, which is not beneficial to the optimization of the process. In addition, the scheme is that the outlet of the drain pipe is close to the outer side as much as possible during design so as to facilitate installation, but the foaming layer of the corresponding position of the drain pipe is thin due to the mode, and condensation is easily generated outside the corresponding position.

Moreover, most drain pipes in the prior art have no sealing function, and air in the external environment can enter the cooling chamber through the drain pipes, so that the refrigerator has the problems of poor refrigeration effect and high energy consumption.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to overcome at least one of the drawbacks of the prior art and to provide a drain pipe for a refrigerator capable of preventing external air from entering the refrigerator.

It is another object of the first aspect of the present invention to reduce the assembly requirements for the drain pipe.

A further object of the present invention is to simplify the installation procedure of the drain pipe so that it is suitable for small space installation.

The utility model discloses the purpose of second aspect is to provide a refrigerator with drain pipe.

According to the utility model discloses an aspect, the utility model provides a drain pipe for refrigerator, include:

the tube body is used for communicating a water outlet of the refrigerator with an evaporation pan of the refrigerator, so that water discharged from the water outlet flows to the evaporation pan along the tube body; and

and the non-return blocking sheet is arranged inside the middle section of the pipe body part and is provided with an opening state for conducting the pipe body part to allow water flowing into the pipe body part to flow to the evaporation dish and a closing state for blocking the pipe body part to prevent external air at the evaporation dish from entering the water outlet through the pipe body part.

Optionally, the non-return blocking sheet is rotatably disposed inside the middle section of the pipe body and configured to rotate to the open state under the action of water flow inside the pipe body and rotate to the closed state under the action of its own weight.

Optionally, the pipe body comprises a main pipe body for connecting with the water outlet and a connecting pipe body directly or indirectly connected with the main pipe body; the main pipe body is obliquely and downwardly extended from the water outlet to a connecting port of the main pipe body from front to back, and the connecting pipe body is bent and downwardly extended from the connecting port connected with the main pipe body from front to back; and is provided with

The non-return blocking piece is arranged close to the connecting port of the main pipe body and/or the connecting pipe body.

Optionally, the main pipe body and the connecting pipe body are connected through a pipe joint, and the main pipe body, the pipe joint and the connecting pipe body are sequentially sleeved together from inside to outside; and is

The top of the rear end of the pipe connector is provided with a hook, and the top of the non-return blocking piece is rotatably hung on the hook.

Optionally, the hook is disposed on a rear end surface of the pipe joint, and the rear end surface of the pipe joint is inclined rearward from top to bottom so as to enable a bottom of the non-return blocking piece to abut against the rear end surface of the pipe joint when the non-return blocking piece is in the closed state.

Optionally, the pipe joint is provided with an axially extending positioning groove, the main pipe body is provided with an axially extending strip-shaped positioning rib, and the strip-shaped positioning rib is inserted into the positioning groove so as to limit the position of the pipe joint relative to the main pipe body in the circumferential direction of the drain pipe; and is

The relative positions of the positioning groove and the hook are set to enable the hook to be positioned at the top of the rear end of the pipe connector after the pipe connector and the main pipe body are sleeved.

Optionally, the pipe joint is further provided with at least one first clamping groove, the main pipe body is provided with at least one first buckle, and the at least one first buckle is respectively clamped into the at least one first clamping groove along the axial direction of the drain pipe, so as to limit the position of the pipe joint relative to the main pipe body in the circumferential direction and the axial direction.

Optionally, the connecting pipe body is provided with at least one second clamping groove, the pipe joint is provided with at least one second buckle, and the at least one second buckle is respectively clamped into the at least one second clamping groove along the axial direction of the drain pipe, so as to limit the position of the connecting pipe body relative to the pipe joint in the circumferential direction and the axial direction.

Optionally, the number of the second clamping grooves and the number of the second buckles are multiple; and is

The plurality of second clamping grooves are asymmetrically distributed about a vertical plane passing through the axis of the connecting pipe body, and the plurality of second buckles are in one-to-one correspondence with the plurality of second clamping grooves.

According to the utility model discloses in the second aspect, the utility model discloses still provide a refrigerator, it includes:

the cooling chamber is used for accommodating the evaporator, and a water outlet is formed in the bottom of the cooling chamber;

an evaporation pan for accommodating condensed water generated by the evaporator; and

the drain pipe according to any one of the above aspects, a pipe body portion of the drain pipe communicates with the drain port and the evaporation pan, so that water discharged from the drain port flows toward the evaporation pan along the pipe body portion.

The utility model discloses a drain pipe for refrigerator especially sets up the contrary separation blade in its body portion's inside, when there is condensate water to flow out at the drain outlet department of refrigerator, the contrary separation blade of contrary can be in the open mode in order to switch on the body portion, thereby allows the condensate water that discharges from the outlet to flow to the evaporating dish of refrigerator through the body portion; when the drain outlet department of refrigerator does not have the condensate water when flowing, end contrary separation blade can be in the closed condition in order to block the pipe body portion to prevent outside air to manage the somatic part and get into inside the refrigerator, that is to say, the utility model discloses a drain pipe has end contrary function, can avoid using the refrigerator of this drain pipe to influence its refrigeration effect or lead to the problem that its energy consumption increased because of the entering of outside air.

Moreover, the non-return blocking piece of the utility model is arranged inside the middle section of the pipe body part, rather than at the end of the pipe body part as in the prior art, on one hand, the non-return blocking piece is hidden inside the pipe body part, and is not collided or extruded and is not easy to damage; on the other hand, the terminal port of the pipe body part can face any direction, so that the requirement on the orientation of the terminal port of the pipe body part is reduced, and the requirement on the assembly of the drain pipe is further reduced.

Furthermore, the pipe body part comprises a main pipe body and a connecting pipe body which are connected through a pipe joint, the main pipe body, the pipe joint and the connecting pipe body are sequentially sleeved together from inside to outside, and the main pipe body and the pipe joint and the connecting pipe body are positioned through corresponding positioning structures, so that the positions, the orientations and the like of the pipe joint and the connecting pipe body can be more easily mastered during assembly, manual correction is not needed, and the pipe joint is very suitable for small-space installation.

The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof taken in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

fig. 1 is a schematic structural view of a drain pipe for a refrigerator according to an embodiment of the present invention;

fig. 2 is a schematic exploded view of a drain pipe for a refrigerator according to an embodiment of the present invention;

fig. 3 is a schematic exploded view of a pipe interface and a non-return flap according to an embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view of a tubing interface according to one embodiment of the present invention;

fig. 5 is a schematic structural diagram of a main tube body according to an embodiment of the present invention;

FIG. 6 is a schematic exploded view of a connection tube body and tube interface according to one embodiment of the present invention;

fig. 7 is a schematic structural view of a refrigerator according to an embodiment of the present invention;

fig. 8 is a schematic exploded view of a refrigerator according to an embodiment of the present invention;

FIG. 9 isbase:Sub>A schematic cross-sectional view taken along section line A-A in FIG. 7;

fig. 10 is a schematic sectional view taken along a section line B-B in fig. 7.

Detailed Description

The utility model discloses at first provide a drain pipe for refrigerator, figure 1 is according to the utility model discloses a schematic structure chart of a drain pipe for refrigerator of embodiment, figure 2 is according to the utility model discloses a schematic structure of a drain pipe for refrigerator of embodiment breaks the view. Referring to fig. 1 and 2, a drain pipe 40 for a refrigerator of the present invention includes a pipe body portion 41 and a non-return flap 42.

The tube portion 41 is used for communicating a drain outlet of the refrigerator with an evaporation pan of the refrigerator, so that water discharged from the drain outlet of the refrigerator flows along the tube portion 41 toward the evaporation pan of the refrigerator. The non-return flap 42 is provided inside the middle section of the pipe body portion 41, and has an open state for guiding the pipe body portion 41 to allow water flowing into the pipe body portion 41 to flow toward the evaporation pan and a closed state for blocking the pipe body portion 41 to prevent outside air at the evaporation pan from entering the drain port through the pipe body portion 41.

The utility model discloses a drain pipe 40 for refrigerator especially sets up non-return separation blade 42 in the inside of its body portion 41, when there is condensate water to flow out at the drain port department of refrigerator, non-return separation blade 42 can be in the open mode in order to lead to body portion 41, thereby allows the condensate water that discharges from the drain port to flow to the evaporating dish of refrigerator through body portion 41; when the drain outlet department of refrigerator does not have the comdenstion water outflow, contrary separation blade 42 can be in the closed condition in order to block pipe body 41 to prevent outside air to manage body 41 and get into inside the refrigerator, that is to say, the utility model discloses a drain pipe 40 has contrary function, can avoid using the refrigerator of this drain pipe 40 to influence its refrigeration effect or lead to the problem that its energy consumption increases because of outside air's entering.

However, the non-return blocking plate in the prior art is usually disposed at the end of the drain pipe, and such non-return blocking plate is either complicated in structure, for example, a counterweight needs to be disposed, or has special requirements on the orientation of the end port of the drain pipe, for example, the end port of the drain pipe needs to be oriented in a horizontal direction or a nearly horizontal direction, which has very high assembly requirements on the drain pipe.

However, the non-return blocking piece 42 of the present invention is disposed inside the middle section of the tube body 41, rather than at the end of the tube body as in the prior art, on one hand, the non-return blocking piece 42 is hidden inside the tube body 41, and is not collided or extruded, and is not easily damaged; on the other hand, the end port of the pipe body 41 can be oriented in any direction, so that the orientation requirement of the end port of the pipe body 41 is reduced, and the assembly requirement of the drain pipe 40 is further reduced.

In some embodiments, the non-return flap 42 is rotatably disposed inside the middle section of the body portion 41 and is configured to rotate to its open state under the action of water flow inside the body portion 41 and to rotate to its closed state under its own weight. That is, the non-return flap 42 is mechanically pivoted by the water flow action and the self-gravity action in the pipe body portion 41, and the structure is very simple and does not require a complicated control logic.

In some embodiments, the body part 41 includes a main pipe 411 for interfacing with a drain outlet of the refrigerator and a connection body 412 directly or indirectly connected to the main pipe 411. The main pipe 411 extends obliquely downward from the front to the rear from the drain port of the refrigerator to the connection port 4111 thereof, and the connection pipe 412 extends curvedly downward from the front to the rear from the connection port 4121 thereof connected to the main pipe 411, so as to discharge the condensed water to the evaporation dish.

Further, the check flap 42 is disposed adjacent to the connection port 4111 of the main pipe body 411 and/or the connection port 4121 of the connection pipe body 412. Therefore, the check baffle plate 42 can be installed before the main pipe body 411 and the connecting pipe body 412 are assembled, and the installation difficulty of the check baffle plate 42 is reduced.

It is understood that after the foaming of the refrigerator is completed, the main pipe 411 for communicating with the water outlet of the refrigerator is usually located in the foaming layer, and the position and the state of the main pipe cannot be changed. The connection pipe body 412 is generally connected to the main pipe body 411 after foaming of the refrigerator, and thus, the assembly problem of the drain pipe 40 is mainly the assembly between the connection pipe body 412 and the main pipe body 411.

To this end, in some embodiments, the main pipe 411 and the connection pipe 412 are connected by a pipe interface 413, and the main pipe 411, the pipe interface 413 and the connection pipe 412 are sleeved together from inside to outside in sequence. Referring to fig. 3, which is a schematic exploded view of a pipe connector and a non-return blocking piece according to an embodiment of the present invention, a hook 4131 is provided at the top of the rear end of the pipe connector 413, and a non-return blocking piece 42 is rotatably hung on the hook 4131 at the top. In assembling, the non-return flap 42 is first hung on the hook 4131 of the pipe joint 413, then the pipe joint 413 is assembled to the main pipe body 411, and finally the connecting pipe body 412 is assembled to the pipe joint 413.

In some embodiments, the hook 4131 is provided to the rear end face 4132 of the pipe joint 413, and the rear end face 4132 of the pipe joint 413 is inclined rearward from above so that the bottom of the check flap 42 abuts against the rear end face of the pipe joint 413 when the check flap 42 is in the closed state.

In a normal condition without any blockage, when no condensed water flows through the pipe body portion 41, the non-return flap 42 is rotated to the vertical state by its own weight. The utility model discloses with the back end terminal surface 4132 slope of pipe connector 413, can be in contrary separation blade 42 rotate to the vertical state before with contrary separation blade 42 butt contact to form certain interact power between the back end terminal surface 4132 of contrary separation blade 42 and pipe connector 413, ensure to form good airtight sealing between the two.

Fig. 4 is a schematic cross-sectional view of a pipe joint according to an embodiment of the present invention, and fig. 5 is a schematic structural view of a main pipe body according to an embodiment of the present invention. In some embodiments, the pipe joint 413 is formed with an axially extending positioning groove 4133, the main pipe body 411 is formed with an axially extending bar-shaped positioning rib 4113, and the bar-shaped positioning rib 4113 is inserted into the positioning groove 4133 to limit the position of the pipe joint 413 relative to the main pipe body 411 in the circumferential direction of the water discharge pipe 40. That is, the engagement of the positioning groove 4133 and the bar-shaped positioning rib 4113 restricts the degree of freedom of the pipe joint 413 in the circumferential direction, preventing the pipe joint 413 from rotating relative to the main pipe body 411.

Further, the relative positions of the positioning groove 4133 and the hook 4131 are set such that the hook 4131 is positioned on the top of the rear end of the pipe joint 413 after the pipe joint 413 and the main pipe body 411 are coupled. That is, the hook 4131 can be indirectly positioned by the positioning between the positioning groove 4133 and the bar-shaped positioning rib 4133, ensuring that the hook 4131 is positioned at the top of the rear end of the pipe joint 413, thereby facilitating the effective pivoting of the non-return stopper 43 hung on the hook 4131.

Specifically, the positioning groove 4133 and the hook 4131 may be both provided at the top of the tube interface 413.

In some embodiments, the pipe joint 413 further comprises at least one first locking groove 4134, the main pipe body 411 comprises at least one first locking clip 4114, and the at least one first locking clip 4114 is locked into the at least one first locking groove 4134 along the axial direction of the water discharge pipe, so as to limit the position of the pipe joint 413 relative to the main pipe body 411 in the circumferential and axial directions, and prevent the pipe joint 413 from falling off the main pipe body 411 or rotating relative to the main pipe body 411.

Specifically, the number of the first locking grooves 4134 and the number of the first locking hooks 4114 are two. The two first locking grooves 4134 are respectively located at two circumferential sides of the positioning groove 4133. Accordingly, the two first buckles 4114 are respectively located at two circumferential sides of the bar-shaped positioning rib 4113.

Fig. 6 is a schematic exploded view of a connection tube body and a tube interface according to an embodiment of the present invention. In some embodiments, the connecting tube body 412 defines at least one second locking groove 4125, the tube interface 413 defines at least one second locking hook 4135, and the at least one second locking hook 4135 is locked into the at least one second locking groove 4125 along the axial direction of the water discharging tube 40, so as to limit the position of the connecting tube body 412 relative to the tube interface 413 in the circumferential direction and the axial direction, and prevent the connecting tube body 412 from falling off the tube interface 413 or rotating relative to the tube interface 413.

Further, the number of the second catching grooves 4125 and the second catching grooves 4135 is plural to improve the assembling stability between the pipe interface 413 and the connecting pipe body 412. The plurality of second engaging grooves 4125 are asymmetrically distributed with respect to a vertical plane passing through the axis of the connecting tube 412, and the plurality of second hooks 4135 correspond to the plurality of second engaging grooves 4125 one to one. Thus, the position and orientation of the connecting pipe body 412 can be positioned by the asymmetric distribution of the plurality of second catching grooves 4125, and it is ensured that the end port of the connecting pipe body 412 is directed downward or inclined downward, so as to discharge the condensed water.

Specifically, the number of the second locking grooves 4125 and the number of the second fasteners 4135 are three, the three second locking grooves 4125 are sequentially distributed at intervals of 90 °, and the three second fasteners 4135 are sequentially distributed at intervals of 90 °.

The utility model discloses a be responsible for between body 411 and pipe connector 412 and between pipe connector 412 and the connecting tube body 413 all fix a position through corresponding location structure, from this, grasp pipe connector 412 and connecting tube body 413's position, orientation etc. more easily when the assembly, need not artifical the correction, be applicable to very much the little space installation.

In some embodiments, the connection tube 413 is a hose. It should be noted that the term hose is not intended to be interpreted as merely being flexible, and for ease of understanding, a hose is defined herein as a tube that can be bent or stretched or compressed to some extent along its length without failing. "to some extent" means that at least the above-described deformation of the connecting tube 413 can be generated.

Specifically, the connection pipe body 413 may be specifically a heat-resistant rubber pipe or a resin pipe. In particular, it may be a corrugated tube, and the material of the corrugated tube may be heat-resistant polyethylene (i.e. PE corrugated tube), or even a metal material with high plasticity, so as to ensure that the corrugated tube will not deform and age due to high temperature when working in the environment in the compressor chamber.

The utility model discloses still providebase:Sub>A refrigerator, figure 7 is according to the schematic structure chart of the refrigerator of an embodiment of the utility model, figure 8 is according to the schematic structure of the refrigerator of an embodiment of the utility model, figure 9 is the schematic cross-sectional view of cutting along cutting line A-A in figure 7, figure 10 is the schematic cross-sectional view of cutting along cutting line B-B in figure 7. Referring to fig. 7 to 10, the refrigerator 1 of the present invention includes a cooling chamber 112 and an evaporation pan 30. The cooling chamber 112 is used for accommodating the evaporator 21, and a water outlet 1121 is opened at the bottom of the cooling chamber 112. The evaporating dish 30 serves to contain the condensed water generated from the evaporator 21. In particular, the refrigerator 1 further includes the drain pipe 40 described in any of the above embodiments, and the body portion 41 of the drain pipe 40 communicates the drain hole 1121 and the evaporation pan 30, so that water discharged from the drain hole 1121 flows toward the evaporation pan 30 along the body portion 41.

The utility model discloses a carry out special design to drain pipe 40's structure, make it have and end contrary function, can avoid refrigerator 1 to influence its refrigeration effect or lead to the problem that its energy consumption increases because of outside air's entering. In addition, the non-return blocking piece 42 of the present invention is disposed inside the middle section of the tube body 41, on one hand, the non-return blocking piece 42 will not be collided or extruded and will not be easily damaged; on the other hand, the end port of the pipe body 41 can be oriented in any direction, so that the orientation requirement of the end port of the pipe body 41 is reduced, and the assembly requirement of the drain pipe 40 is further reduced.

In some embodiments, the refrigerator 1 further includes a second cooling chamber 122, the second evaporator 22 is accommodated in the second cooling chamber 122, and a second water outlet is opened at the bottom of the second cooling chamber 122. The evaporating dish 30 is also used to contain the condensed water produced by the second evaporator 22. Further, the refrigerator further includes a second drain pipe 40', one end of which communicates with the second drain port and the other end of which extends to the evaporation pan 30, to discharge the condensed water in the second cooling chamber 122 to the evaporation pan 30.

Specifically, the second drain pipe 40' may have the same structure as the drain pipe 40, or may have a structure which is not completely the same as or identical to the structure of the drain pipe 40.

In some embodiments, the refrigerator 1 further includes a cabinet 10, and the cooling compartment 112 and the second cooling compartment 122 are disposed side by side and spaced apart in a lateral direction of the cabinet 10. The box body 10 further defines a storage compartment 111 and a second storage compartment 121 which are arranged side by side and spaced apart in the transverse direction of the box body 10, and the storage compartment 111 and the second storage compartment 121 are adjacently located above the cooling compartment 112 and the second cooling compartment 122, respectively. The evaporator 21 and the second evaporator 22 are configured to provide cooling energy to the storage compartment 111 and the second storage compartment 121, respectively.

That is, the refrigerator 1 of the present invention includes two independent bottom cooling chambers and two independent bottom evaporators. The evaporator is arranged at the bottom, so that the rear space of the storage chamber is not occupied, and the effective volume of the storage chamber can be increased.

In some embodiments, the rear sides of the storage compartment 111 and the second storage compartment 121 are respectively provided with the air duct assembly 71 and the second air duct assembly 72, and the air duct assembly 71 and the second air duct assembly 72 respectively define an air supply duct and a second air supply duct inside. An air supply fan is arranged in the air supply duct, and the air supply duct is communicated with the storage compartment 111 and the cooling compartment 112 so as to promote cooling airflow generated in the cooling compartment 112 to flow to the storage compartment 111 through the air supply fan. A second air supply fan is arranged in the second air supply duct, and the second air supply duct is communicated with the second storage compartment 121 and the second cooling compartment 122, so that cooling air flow generated in the second cooling compartment 122 is made to flow to the second storage compartment 121 through the second air supply fan.

In some embodiments, storage compartment 111 and cooling compartment 112 are separated by a cover plate 151, and second storage compartment 121 and second cooling compartment 122 are separated by a second cover plate 152. The refrigerator 1 further includes a return air cover 161 provided on the front side of the cover plate 151 and a second return air cover 162 provided on the front side of the second cover plate 152. The return air cover 161 is provided with a return air inlet 1611 through which the return air flow of the storage compartment 111 flows to the cooling compartment 112, and the second return air cover 162 is provided with a second return air inlet 1621 through which the return air flow of the second storage compartment 121 flows to the second cooling compartment 122.

Further, the bottom of the box 10 defines a compressor bin 13, the evaporating dish 30 is located in the compressor bin 13, and a compressor 51, a heat dissipation fan 52 and an air duct assembly 60 for supporting the heat dissipation fan 52 are further arranged in the compressor bin 13. The water discharge pipe 40 and the second water discharge pipe 40' respectively extend to both lateral sides of the air duct assembly 60 to discharge the condensed water therein to two receiving areas of the evaporating dish 30 located at both lateral sides of the air duct assembly 60, respectively.

In some embodiments, the storage compartment 111 and the second storage compartment 121 can be a temperature-changing compartment and a freezing compartment, respectively. Specifically, the temperature of the second storage chamber 121 is usually between-24 ℃ and-14 ℃, and the temperature of the storage chamber 111 can be adjusted to between-24 ℃ and 8 ℃ at will.

In some embodiments, a third storage compartment 171 located above the storage compartments 111 and 121 and a third cooling compartment 172 located at the rear side of the third storage compartment 171 are further defined in the refrigerator body 10 of the refrigerator 1, and a third evaporator 23 is disposed in the third cooling compartment 172 to provide cold energy to the third storage compartment 171 through the third evaporator 23.

Specifically, the third storage compartment 171 may be a refrigerating compartment, and the temperature therein is usually 2 ℃ to 10 ℃.

It should be further understood by those skilled in the art that the terms "upper", "lower", "front", "back", "top", "bottom", etc. used in the embodiments of the present invention are used as terms for indicating the orientation or the positional relationship with respect to the actual use state of the refrigerator, and these terms are only used for convenience of description and understanding of the technical solution of the present invention, and do not indicate or imply that the device referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made to the invention consistent with the principles of the invention, which may be directly determined or derived from the disclosure of the present invention, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.

Claims (10)

1. A drain pipe for a refrigerator, comprising:

the tube body is used for communicating a water outlet of the refrigerator with an evaporation pan of the refrigerator, so that water discharged from the water outlet flows to the evaporation pan along the tube body; and

and the non-return blocking sheet is arranged inside the middle section of the pipe body part and is provided with an opening state for conducting the pipe body part to allow water flowing into the pipe body part to flow to the evaporation dish and a closing state for blocking the pipe body part to prevent external air at the evaporation dish from entering the water outlet through the pipe body part.

2. The drain of claim 1,

the non-return blocking piece is rotatably arranged inside the middle section of the pipe body part and is configured to rotate to the opening state under the action of water flow inside the pipe body part and rotate to the closing state under the action of self gravity.

3. The drain of claim 2,

the pipe body part comprises a main pipe body connected with the water outlet and a connecting pipe body directly or indirectly connected with the main pipe body; the main pipe body is obliquely and downwardly extended from the water outlet to a connecting port of the main pipe body from front to back, and the connecting pipe body is bent and downwardly extended from the connecting port connected with the main pipe body from front to back; and is

The non-return blocking piece is arranged close to the connecting port of the main pipe body and/or the connecting pipe body.

4. The drain of claim 3,

the main pipe body and the connecting pipe body are connected through a pipe connector, and the main pipe body, the pipe connector and the connecting pipe body are sequentially sleeved together from inside to outside; and is provided with

The top of the rear end of the pipe connector is provided with a hook, and the top of the non-return blocking piece is rotatably hung on the hook.

5. The drainpipe of claim 4,

the hook is arranged on the rear end face of the pipe joint, and the rear end face of the pipe joint is inclined backwards from top to bottom so that the bottom of the non-return blocking piece abuts against the rear end face of the pipe joint when the non-return blocking piece is in the closed state.

6. The drain of claim 4,

the pipe joint is provided with an axially extending positioning groove, the main pipe body is provided with an axially extending strip-shaped positioning rib, and the strip-shaped positioning rib is inserted into the positioning groove so as to limit the position of the pipe joint relative to the main pipe body in the circumferential direction of the drain pipe; and is

The relative positions of the positioning groove and the hook are set to enable the hook to be positioned at the top of the rear end of the pipe connector after the pipe connector and the main pipe body are sleeved.

7. The drain of claim 4,

the pipe joint is also provided with at least one first clamping groove, the main pipe body is provided with at least one first buckle, and the at least one first buckle is clamped into the at least one first clamping groove along the axial direction of the drain pipe so as to limit the position of the pipe joint relative to the main pipe body in the circumferential direction and the axial direction.

8. The drain of claim 4,

the connecting pipe body is provided with at least one second clamping groove, the pipe joint is provided with at least one second buckle, and the at least one second buckle is clamped into the at least one second clamping groove along the axial direction of the drain pipe respectively so as to limit the position of the connecting pipe body relative to the pipe joint in the circumferential direction and the axial direction.

9. The drain of claim 8,

the number of the second clamping grooves and the number of the second buckles are multiple; and is

The plurality of second clamping grooves are asymmetrically distributed about a vertical plane passing through the axis of the connecting pipe body, and the plurality of second buckles are in one-to-one correspondence with the plurality of second clamping grooves.

10. A refrigerator, characterized by comprising:

the cooling chamber is used for accommodating the evaporator, and a water outlet is formed in the bottom of the cooling chamber;

an evaporation pan for accommodating condensed water generated by the evaporator; and

the drain pipe according to any of claims 1 to 9, wherein a body portion of the drain pipe communicates the drain port and the evaporation pan, so that water discharged from the drain port flows along the body portion toward the evaporation pan.

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