CN211503369U

CN211503369U - Air return pipe assembly and refrigerator

Info

Publication number: CN211503369U
Application number: CN201922428072.7U
Authority: CN
Inventors: 张相瑞; 束家碧; 王莉娟
Original assignee: Gree Electric Appliances Inc of Zhuhai; Hefei Jing Hong Electrical Co Ltd
Current assignee: Gree Electric Appliances Inc of Zhuhai; Hefei Jing Hong Electrical Co Ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-09-15
Anticipated expiration: 2029-12-27

Abstract

The application provides a muffler subassembly, refrigerator, the muffler subassembly passes the heat preservation, the muffler subassembly includes muffler and sealing member, be provided with the mounting hole on the sealing member, the muffler passes the mounting hole cover is established in the sealing member, the inner wall of mounting hole with the outer wall of muffler is sealed mutually, the sealing member passes the heat preservation, be provided with the mounting groove on the outer wall of sealing member, the heat preservation stretches into in the mounting groove, and with the mounting groove is sealed mutually. The embodiment of the application provides a muffler subassembly, refrigerator, can guarantee the joint strength of muffler when penetrating the refrigerator is indoor, need not the arrangement pipeline, the follow-up welding operation of being convenient for.

Description

Air return pipe assembly and refrigerator

Technical Field

The application belongs to the technical field of refrigerators, and particularly relates to an air return pipe assembly and a refrigerator.

Background

The refrigerator is a refrigeration device for keeping constant low temperature, which can keep food or other articles in a constant low temperature cold state, and the refrigerator has long become one of the essential electric appliances in daily life.

When the refrigerator air return pipe penetrates into the refrigerator chamber from the foaming layer of the refrigerator body, the jack and the pipeline need to be fixed and sealed. The existing fixing and sealing mode is that sealing sponge is wrapped on an air return pipe, but the sealing performance and the size accuracy of the mode are unreliable, and double pipelines cannot be effectively separated according to a fixed size, so that the pipelines need to be sorted before welding, and the difficulty degree of welding is increased.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem that this application will be solved lies in providing a muffler subassembly, refrigerator, can guarantee the joint strength of muffler when penetrating the refrigerator is indoor, need not the arrangement pipeline, the follow-up welding operation of being convenient for.

In order to solve the problem, the application provides a muffler subassembly, the muffler subassembly passes the heat preservation, the muffler subassembly includes muffler and sealing member, be provided with the mounting hole on the sealing member, the muffler passes the mounting hole cover is established in the sealing member, the inner wall of mounting hole with the outer wall of muffler is sealed mutually, the sealing member passes the heat preservation, be provided with the mounting groove on the outer wall of sealing member, the heat preservation stretches into in the mounting groove, and with the mounting groove is sealed mutually.

Preferably, the muffler includes a main pipe and at least two branch pipes, be provided with at least two on the sealing member the mounting hole, the quantity of mounting hole with branch pipe quantity is the same, the branch pipe with the mounting hole one-to-one sets up.

Preferably, the muffler includes a main pipe, a first branch pipe and a second branch pipe, the first branch pipe and the second branch pipe are respectively communicated with the main pipe, a first mounting hole and a second mounting hole are arranged on the sealing element, the first branch pipe penetrates through the first mounting hole, and the second branch pipe penetrates through the second mounting hole.

Preferably, the sealing element comprises a limiting part, the limiting part is clamped between the first branch pipe and the second branch pipe, and the limiting part is connected with the first branch pipe and the second branch pipe to limit the air return pipe to slide on the sealing element.

Preferably, the first branch pipe and the second branch pipe are respectively connected with one end of the main pipe, and the limiting part is arranged at the connection part of the first branch pipe, the second branch pipe and the main pipe.

Preferably, the limiting part is located on one side of the sealing element close to the main pipe, and the limiting part is located between the first mounting hole and the second mounting hole.

Preferably, a first opening is arranged on the first mounting hole, a second opening is arranged on the second mounting hole, the first branch pipe can enter the first mounting hole from the first opening, and the second branch pipe can enter the second mounting hole from the second opening.

Preferably, pulling forces are respectively applied to two ends of the first opening towards the separating direction so as to open the first opening, and when the first opening is not pulled, the first opening is closed; and respectively applying tension to two ends of the second opening towards the direction of separation so as to open the second opening, and closing the second opening when the second opening is not under the action of tension.

Preferably, the mounting groove is circumferentially provided on the sealing member.

Preferably, the sealing element is provided with a sealing sheet, the sealing element penetrates into the heat preservation layer from the first side of the heat preservation layer and penetrates out from the second side of the heat preservation layer, and the sealing sheet is located on the first side of the heat preservation layer.

Preferably, the sealing piece is arranged on the sealing element along the circumferential direction, the mounting groove comprises a groove wall and a groove bottom, and the sealing piece is located at one end, far away from the groove bottom, of the groove wall.

Preferably, the sealing element is further provided with a deformation hole, a first end of the sealing element penetrates from one side of the insulating layer to the other side of the insulating layer, the deformation hole is formed in the first end, and the deformation hole is located between the first mounting hole and the second mounting hole.

The utility model discloses an on the other hand provides a refrigerator, including foretell return air pipe assembly.

Preferably, the heat preservation layer comprises a straight section and an inclined section, the straight section and the inclined section form an angle, and the sealing element is arranged on the inclined section.

Preferably, the heat preservation layer further comprises a protruding section, the straight section comprises a first straight section and a second straight section, one end of the protruding section is connected with the first straight section, the other end of the protruding section is connected with the inclined section, one end of the inclined section, far away from the protruding section, is connected with the second straight section, and the refrigerator further comprises a connecting piece, and the protruding section is connected with the air return pipe through the connecting piece.

Preferably, when the refrigerator includes the main pipe and the branch pipe, one end of the connector is connected to the main pipe, and the other end is connected to the protruding section.

Advantageous effects

The embodiment of the utility model provides an in the muffler subassembly that provides can guarantee the joint strength of muffler when penetrating the refrigerator is indoor, need not the arrangement pipeline, the follow-up welding operation of being convenient for.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is a perspective view of a seal according to an embodiment of the present application;

FIG. 4 is a side view of a seal of an embodiment of the present application;

FIG. 5 is a cross-sectional view of a seal according to an embodiment of the present application at a first mounting hole;

FIG. 6 is a cross-sectional view at a deformed hole of a seal member according to an embodiment of the present application;

fig. 7 is a schematic perspective view of an air return pipe according to an embodiment of the present application.

The reference numerals are represented as:

1. a seal member; 11. a first mounting hole; 111. a first opening; 12. a second mounting hole; 121. a second opening; 13. a limiting part; 14. a deformation hole; 15. mounting grooves; 16. sealing the sheet; 21. a main pipe; 22. a first branch pipe; 23. a second branch pipe; 3. a heat-insulating layer; 4. a connecting member.

Detailed Description

Referring to fig. 1 to 7 in combination, according to the embodiment of the application, a muffler assembly, the muffler assembly passes heat preservation 3, the muffler assembly includes muffler and sealing member 1, be provided with the mounting hole on the sealing member 1, the muffler passes the mounting hole cover and establishes in the sealing member 1, the inner wall of mounting hole is sealed mutually with the outer wall of muffler, sealing member 1 passes heat preservation 3, be provided with mounting groove 15 on the outer wall of sealing member 1, heat preservation 3 stretches into in the mounting groove 15, and it is sealed mutually with mounting groove 15, through setting up sealing member 1, make muffler and sealing member 1 sealing connection, make heat preservation 3 and sealing member 1 sealing connection simultaneously, can guarantee the leakproofness in the time, joint strength when guaranteeing the muffler and penetrating the refrigerator is indoor, need not to arrange the pipeline in order, be convenient for follow-up welding operation.

Further, in this embodiment, the insulating layer 3 is an inner container of the refrigerator.

Further, as shown in fig. 1, after the right end of the sealing element 1 passes through the heat insulation layer 3 from the left side to the right side in the figure, the heat insulation layer 3 is clamped in the mounting groove 15.

Furthermore, the inner wall of the mounting hole is attached to the outer wall of the air return pipe, so that the inner wall of the mounting hole is sealed with the outer wall of the air return pipe.

Further, the heat preservation layer 3 is provided with a through hole, and the sealing element 1 penetrates into the through hole, namely the hole edge of the through hole extends into the mounting groove 15.

Further, the hole edge of through-hole and the tank bottom of mounting groove 15 are laminated mutually to make heat preservation 3 and mounting groove 15 sealed mutually.

Further, the sealing member 1 is made of a material having certain flexibility and elasticity.

Specifically, in this embodiment, the sealing member 1 is made of a rubber material.

The muffler includes main pipe 21 and two at least branch pipes, is provided with two at least mounting holes on the sealing member 1, and the quantity of mounting hole is the same with branch pipe quantity, and branch pipe and mounting hole one-to-one set up. Through setting up two at least mounting holes, correspond two at least branch pipes, can fully guarantee that each branch pipe is all by stable fixing on heat preservation 3.

In this embodiment, the muffler includes a main pipe 21, a first branch pipe 22 and a second branch pipe 23, the first branch pipe 22 and the second branch pipe 23 are respectively communicated with the main pipe 21, a first mounting hole 11 and a second mounting hole 12 are provided on the sealing member 1, the first branch pipe 22 passes through the first mounting hole 11, and the second branch pipe 23 passes through the second mounting hole 12. Through setting up first mounting hole 11 and second mounting hole 12 and being used for corresponding first branch pipe 22 and second branch pipe 23, can fully guarantee that each branch pipe is all by stable fixing on heat preservation 3, guaranteed the leakproofness when muffler passes heat preservation 3 simultaneously.

Further, in this embodiment, the main pipe 21 is vertically disposed, the first branch pipe 22 and the second branch pipe 23 are both U-shaped pipes, and the first branch pipe 22 and the second branch pipe 23 are simultaneously communicated with one end of the main pipe 21.

Further, the sealing element 1 is sleeved on the horizontal sections of the first branch pipe 22 and the second branch pipe 23, and the horizontal sections of the first branch pipe 22 and the second branch pipe 23 penetrate through the heat insulation layer 3 and are sleeved in the heat insulation layer 3.

Further, the horizontal sections of the first branch pipe 22 and the second branch pipe 23 are located in the same horizontal plane.

The sealing element 1 comprises a limiting part 13, the limiting part 13 is clamped between the first branch pipe 22 and the second branch pipe 23, and the limiting part 13 is connected with the first branch pipe 22 and the second branch pipe 23 so as to limit the air return pipe to slide on the sealing element 1. By arranging the limiting part 13, the sealing element 1 is ensured not to slide on the first branch pipe 22 and the second branch pipe 23, the connection stability is further ensured, and the sealing property is also ensured.

Further, the stopper 13 is substantially rectangular, and the stopper 13 faces away from the sealing member 1.

Further, two opposite side walls of the limiting part 13 respectively abut against the first branch pipe 22 and the second branch pipe 23.

The first branch pipe 22 and the second branch pipe 23 are respectively connected with one end of the main pipe 21, and the limiting part 13 is arranged at the connection part of the first branch pipe 22, the second branch pipe 23 and the main pipe 21, so that the limiting part 13 can be stably clamped between the first branch pipe 22 and the second branch pipe 23.

Further, the projections of the main pipe 21, the first branch pipe 22 and the second branch pipe 23 in a vertical plane are approximately Y-shaped, and the included angle between the projections of the first branch pipe 22 and the second branch pipe 23 in the vertical plane is an acute angle.

Further, the first branch pipe 22 and the second branch pipe 23 are connected to the bottom end of the main pipe 21, when the first branch pipe 22 and the second branch pipe 23 are inserted into the heat insulation layer 3, the connection part of the first branch pipe 22, the second branch pipe 23 and the main pipe 21 moves towards the limiting part 13 until the limiting part 13 is clamped in the included angle between the first branch pipe 22 and the second branch pipe 23, so that a certain friction force is generated between the limiting part 13 and the outer walls of the first branch pipe 22 and the second branch pipe 23 to limit the first branch pipe 22 and the second branch pipe 23 from sliding in the sealing element 1.

Spacing portion 13 is located sealing member 1 and is close to person in charge 21 one side, and spacing portion 13 is located between first mounting hole 11 and second mounting hole 12, guarantees that spacing portion 13 can accurately insert in the contained angle of first branch pipe 22 and second branch pipe 23, plays limiting displacement.

Further, one end of the stopper 13 is disposed between the first mounting hole 11 and the second mounting hole 12, and the other end extends to a side away from the sealing member 1.

The first opening 111 is arranged on the first mounting hole 11, the second opening 121 is arranged on the second mounting hole 12, the first branch pipe 22 can enter the first mounting hole 11 from the first opening 111, the second branch pipe 23 can enter the second mounting hole 12 from the second opening 121, and the first branch pipe 22 and the second branch pipe 23 can be conveniently inserted into the first mounting hole 11 and the second mounting hole 12 through the first opening 111 and the second opening 121.

Further, to ensure the sealing effect, the first opening 111 is closed after the first branch pipe 22 is inserted into the first mounting hole 11, and the second opening 121 is closed after the second branch pipe 23 is inserted into the second mounting hole 12.

Further, in the present embodiment, the first opening 111 and the second opening 121 are both horizontally disposed.

Further, the edge of the first mounting hole 11 is disconnected from the edge of the sealing member 1 to form a first opening 111, and the edge of the second mounting hole 12 is disconnected from the edge of the sealing member 1 to form a second opening 121.

Further, the first opening 111 and the second opening 121 are respectively disposed at opposite sides of the sealing member 1.

As shown in fig. 3, the first opening 111 is provided on the left side of the packing 1, and the second opening 121 is provided on the right side of the packing 1.

Applying a pulling force to the two ends of the first opening 111 towards the direction of separation respectively to open the first opening 111, and when the first opening 111 is not pulled to act, closing the first opening 111; a tensile force is applied to both ends of the second opening 121 in the separating direction, respectively, to open the second opening 121, and when the second opening 121 is not under the tensile force, the second opening 121 is closed.

Further, in this embodiment, a tensile force is applied upward to the upper end of the first opening 111 and downward to the lower end of the first opening 111 to open the first opening 111, and when the upward and downward tensile forces are removed, the first opening 111 is restored to the closed state by its own elasticity. A pulling force is applied upward to the upper end of the second opening 121 and a pulling force is applied downward to the lower end of the second opening 121 to open the second opening 121, and when the upward and downward pulling forces are removed, the second opening 121 is restored to a closed state by its own elasticity.

Further, when the first opening 111 is opened, the first branch pipe 22 is pressed into the first mounting hole 11 from left to right, and when the second opening 121 is opened, the second branch pipe 23 is pressed into the second mounting hole 12 from right to left.

The mounting groove 15 is circumferentially arranged on the sealing element 1, so that good sealing performance between the heat-insulating layer 3 and the sealing element 1 is guaranteed.

Further, the mounting groove 15 is substantially in the shape of an elliptic cylinder, and the circumferential direction along the sealing member 1 is the circumferential direction along the elliptic cylinder formed by the sealing member 1.

Sealing piece 1 is last to be provided with gasket 16, and sealing piece 1 penetrates heat preservation 3 and wears out from the second side of heat preservation 3 from the first side of heat preservation 3, and gasket 16 is located the first side of heat preservation 3. By providing the sealing sheet 16, the sealing performance of the sealing member 1 and the heat insulating layer 3 is further enhanced.

The sealing piece 16 is arranged on the sealing element 1 along the circumferential direction, the mounting groove 15 comprises a groove wall and a groove bottom, and the sealing piece 16 is positioned at one end, far away from the groove wall, of the groove bottom.

Further, the first side is a side of the insulating layer 3 close to the main pipe 21, and the second side is a side of the insulating layer 3 far from the main pipe 21.

Further, the sealing sheet 16 is made of a flexible material, so that the sealing sheet 16 is attached to the side of the heat preservation layer 3 close to the main pipe 21.

Further, the sealing plate 16 is connected at its inner end to the circumferential side wall of the seal member 1 and at its outer end extends away from the seal member 1.

Further, the inner end of the sealing sheet 16 is located on the side of the mounting groove 15 close to the main pipe 21, so that when the heat insulating layer 3 is inserted into the mounting groove 15, the sealing sheet 16 is attached to the side wall of the heat insulating layer 3 close to the main pipe 21.

The sealing element 1 is further provided with a deformation hole 14, the first end of the sealing element 1 penetrates from one side of the heat insulation layer 3 to the other side, the deformation hole 14 is arranged at the first end, and the deformation hole 14 is located between the first mounting hole 11 and the second mounting hole 12. Through setting up deformation hole 14, guarantee that sealing member 1 can insert to heat preservation 3 in, make for flexible material because of sealing member 1, when sealing member 1 inserted heat preservation 3, deformation hole 14 can provide bigger deformation space, reduces the outside elasticity of sealing member 1.

In another aspect of the present embodiment, a refrigerator is provided, which includes the above-mentioned air return pipe assembly.

The heat preservation layer 3 comprises a straight section and an oblique section, the straight section and the oblique section form an angle, and the sealing element 1 is arranged on the oblique section. The heat preservation layer 3 further comprises a protruding section, the straight section comprises a first straight section and a second straight section, one end of the protruding section is connected with the first straight section, the other end of the protruding section is connected with the oblique section, one end, far away from the protruding section, of the oblique section is connected with the second straight section, the refrigerator further comprises a connecting piece 4, and the protruding section is connected with the air return pipe through the connecting piece 4. Through setting up protruding section and slant section, be convenient for muffler, sealing member 1 and heat preservation 3's assembly, also be convenient for simultaneously connecting of connecting piece 4 and muffler and heat preservation 3.

Further, the protruding section is the one end of vertical setting, and vertical section is connected through the horizontal segment with first straight section.

Further, the first straight section and the second straight section are vertically arranged.

Further, the protruding section and the oblique section form an obtuse angle, as shown in fig. 2, one end of the oblique section far away from the protruding section extends obliquely and downwards to the right.

When the refrigerator comprises the main pipe 21 and the branch pipes, one end of the connecting piece 4 is connected to the main pipe 21, and the other end of the connecting piece is connected to the protruding section, so that the connecting stability of the air return pipe is further guaranteed.

It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.

The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed. The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present application, and these modifications and variations should also be considered as the protection scope of the present application.

Claims

1. The utility model provides a muffler subassembly, its characterized in that, the muffler subassembly passes heat preservation (3), the muffler subassembly includes muffler and sealing member (1), be provided with the mounting hole on sealing member (1), the muffler passes the mounting hole cover is established in sealing member (1), the inner wall of mounting hole with the outer wall of muffler is sealed mutually, sealing member (1) passes heat preservation (3), be provided with mounting groove (15) on the outer wall of sealing member (1), heat preservation (3) stretch into in mounting groove (15), and with mounting groove (15) are sealed mutually.

2. The muffler assembly according to claim 1, wherein the muffler comprises a main pipe (21) and at least two branch pipes, at least two mounting holes are provided on the sealing member (1), the number of the mounting holes is the same as that of the branch pipes, and the branch pipes are provided in one-to-one correspondence with the mounting holes.

3. The muffler assembly according to claim 1, wherein the muffler comprises a main pipe (21), a first branch pipe (22) and a second branch pipe (23), the first branch pipe (22) and the second branch pipe (23) are respectively communicated with the main pipe (21), a first mounting hole (11) and a second mounting hole (12) are formed in the sealing member (1), the first branch pipe (22) passes through the first mounting hole (11), and the second branch pipe (23) passes through the second mounting hole (12).

4. The return air pipe assembly according to claim 3, wherein the sealing member (1) includes a limiting portion (13), the limiting portion (13) is interposed between the first branch pipe (22) and the second branch pipe (23), and the limiting portion (13) is connected to the first branch pipe (22) and the second branch pipe (23) to limit the return air pipe from sliding on the sealing member (1).

5. The return air pipe assembly according to claim 4, wherein the first branch pipe (22) and the second branch pipe (23) are respectively connected to one end of the main pipe (21), and the stopper portion (13) is provided at the connection of the first branch pipe (22), the second branch pipe (23) and the main pipe (21).

6. The return air pipe assembly according to claim 4, wherein the stopper portion (13) is located on a side of the seal member (1) close to the main pipe (21), and the stopper portion (13) is located between the first mounting hole (11) and the second mounting hole (12).

7. A return air duct assembly according to claim 3, wherein the first mounting hole (11) is provided with a first opening (111) and the second mounting hole (12) is provided with a second opening (121), the first branch duct (22) being accessible from the first opening (111) into the first mounting hole (11) and the second branch duct (23) being accessible from the second opening (121) into the second mounting hole (12).

8. The return air pipe assembly according to claim 7, wherein both ends of the first opening (111) are respectively pulled in a direction away from each other to open the first opening (111), and when the first opening (111) is not pulled, the first opening (111) is closed; and applying tension to two ends of the second opening (121) towards the separating direction respectively to open the second opening (121), wherein when the second opening (121) does not exert tension, the second opening (121) is closed.

9. Muffler assembly according to claim 1, characterized in that the mounting groove (15) is provided circumferentially on the sealing member (1).

10. The muffler assembly according to claim 1, wherein a sealing sheet (16) is provided on the sealing member (1), the sealing member (1) penetrates into the insulating layer (3) from a first side of the insulating layer (3) and penetrates out from a second side of the insulating layer (3), and the sealing sheet (16) is located on the first side of the insulating layer (3).

11. A muffler assembly according to claim 10, wherein the sealing plate (16) is circumferentially arranged on the sealing member (1), the mounting groove (15) comprises a groove wall and a groove bottom, and the sealing plate (16) is located at an end of the groove wall remote from the groove bottom.

12. The return air duct assembly according to claim 3, characterized in that the sealing member (1) is further provided with a deformation hole (14), a first end of the sealing member (1) penetrates from one side to the other side of the insulating layer (3), the deformation hole (14) is provided on the first end, and the deformation hole (14) is located between the first mounting hole (11) and the second mounting hole (12).

13. A refrigerator comprising the return air duct assembly according to any one of claims 1 to 12.

14. The refrigerator according to claim 13, characterized in that the insulation layer (3) comprises a straight section and an inclined section, the straight section being arranged at an angle to the inclined section, the sealing element (1) being arranged on the inclined section.

15. The refrigerator according to claim 14, wherein the heat insulating layer (3) further comprises a convex section, the straight section comprises a first straight section and a second straight section, one end of the convex section is connected with the first straight section, the other end of the convex section is connected with the inclined section, one end of the inclined section far away from the convex section is connected with the second straight section, and the refrigerator further comprises a connecting member (4), and the convex section is connected with the air return pipe through the connecting member (4).

16. The refrigerator according to claim 15, wherein when the refrigerator comprises a main pipe (21) and a branch pipe, one end of the connecting member (4) is connected to the main pipe (21) and the other end is connected to the protruding section.