CN213040847U

CN213040847U - Air duct assembly and refrigerator

Info

Publication number: CN213040847U
Application number: CN202021578826.3U
Authority: CN
Inventors: 吴海英; 孔德强; 王文超
Original assignee: Qingdao Haier Refrigerator Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Refrigerator Co Ltd; Haier Smart Home Co Ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-04-23
Anticipated expiration: 2030-07-31

Abstract

The utility model discloses an air duct assembly and refrigerator, wherein the air duct assembly includes air duct casing and how subassembly of wind, wherein the air duct casing is formed with the main casing body in wind channel and certainly the extension section that the main casing body extends. The air door assembly is arranged at one end of the air channel and is provided with a frame fixed on the extension section, an air door rotatably installed on the frame to open or close the air channel, a driving unit for driving the air door to rotate and a cable connected with the driving unit. The extending section is provided with a winding part at a position close to the driving unit, and the cable is connected with the driving unit after passing through the winding part. The utility model discloses it can dismantle the convenient realization of in-process at the air door subassembly and to the change of cable length, has made things convenient for the installation and the dismantlement of air door subassembly.

Description

Air duct assembly and refrigerator

Technical Field

The utility model relates to a refrigerator technical field, especially a wind channel subassembly and refrigerator.

Background

Dampers are important electrical loads within the refrigeration unit for distributing cooling energy to the various compartments. When the temperature in the compartment is higher than the set temperature, the driving device drives the air door to open, so that the cold energy generated by the evaporator enters the compartment through the air door, and the temperature in the compartment is reduced; when the temperature in the compartment is lower than the set temperature, the driving device drives the air door to be closed, so that the cold energy generated by the evaporator stops entering the compartment, and the temperature in the compartment is prevented from being too low.

The motorized damper typically opens or closes the air path by a drive unit controlling the rotation of the damper. The cable of the control drive unit in the prior art is directly connected and fixed with the drive unit, the length of the cable is fixed, so that the length of the cable can influence the installation and disassembly process when the air door is disassembled in the installation and maintenance process, and inconvenience is caused for the installation and disassembly.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a wind channel subassembly and refrigerator to solve not enough among the prior art, it can dismantle the convenient realization of in-process at the air door subassembly and to the change of cable length, has made things convenient for the installation and the dismantlement of air door subassembly, has improved after sales maintenance's convenience.

The utility model provides a wind channel subassembly, include:

the air duct shell comprises a main shell body formed with an air duct and an extension section extending from the main shell body;

the air door assembly is arranged at one end of the air duct and is provided with a frame fixed on the extension section, an air door rotatably arranged on the frame to open or close the air duct, a driving unit for driving the air door to rotate and a cable connected with the driving unit;

the extending section is provided with a winding part at a position close to the driving unit, and the cable is connected with the driving unit after passing through the winding part.

Furthermore, the wire winding part comprises an accommodating groove concavely arranged on the inner side wall of the extension section and a cable through hole penetrating through the inner side wall and communicated with the accommodating groove;

the air duct assembly further comprises a cover plate for opening or covering the accommodating groove.

Furthermore, the cover plate is provided with a threading hole, the driving unit is provided with a cable connecting part used for being connected with the cable, and the cable connecting part and the threading hole are arranged oppositely.

Furthermore, the outer wall surface of the cover plate, which is deviated from the containing groove, does not protrude out of the inner wall surface of the extension section.

Furthermore, the winding part is also provided with a winding post arranged in the accommodating groove, and the winding post is arranged at a distance from the cable through hole and is far away from the driving unit; the cable is wound on the winding post.

Further, when the air door rotates to open the air duct, the accommodating groove is opposite to the back side of the air door.

Furthermore, the extension section is provided with a first positioning part used for abutting against the bottom of the frame and a second positioning part used for abutting against the top of the frame, and the second positioning part is an elastic clamping piece arranged on the inner side wall of the extension section.

Further, the first positioning portion is matched with the bottom of the frame in shape, and a sealing member is arranged between the first positioning portion and the frame.

Furthermore, a plurality of lateral support ribs extending along the extending direction of the extending section are further arranged on the inner side wall of the air duct shell, and the lateral support members are arranged on two opposite sides in the extending section and are respectively abutted to the frame.

A refrigerator comprises the air duct assembly and an inner container, wherein one end of an air duct shell is fixed on the inner container.

Compared with the prior art, the utility model is used for control drive unit's cable is arranging the in-process earlier through setting up the portion of winding that is close to drive unit position department, then be connected with drive unit, the setting of portion of winding can make partial cable in the portion of winding to dismantle the convenient realization of in-process at the air door subassembly and to the change of cable length, thereby avoid among the prior art cable because the fixed unadjustable change of length causes the restriction of dismantling the installation of air door subassembly, the installation and the dismantlement of air door subassembly have been made things convenient for, after-sales maintenance's convenience has been improved.

Drawings

Fig. 1 is a schematic view of a first structure of an air duct assembly according to an embodiment of the present invention;

FIG. 2 is a front view of an air duct assembly according to an embodiment of the present invention;

FIG. 3 is a schematic view of the structure in the direction AA in FIG. 2;

FIG. 4 is a schematic view of the structure in the BB direction in FIG. 3;

fig. 5 is a second structural schematic diagram of the air duct assembly disclosed in the embodiment of the present invention;

fig. 6 is a schematic view illustrating a winding structure of a cable in an accommodating groove in an air duct assembly according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a duct housing in the duct assembly according to an embodiment of the present invention;

fig. 8 is a schematic view of an internal structure of an air duct housing in an air duct assembly according to an embodiment of the present invention;

FIG. 9 is a schematic view of a first construction of a fan door assembly in an air duct assembly according to an embodiment of the present invention;

fig. 10 is a second schematic illustration of a fan door assembly in an air duct assembly according to an embodiment of the present invention;

description of reference numerals: 1-an air duct shell, 10-an air duct, 11-a main shell, 12-an extension section, 121-an inner wall surface, 13-a cable perforation, 14-a cover plate, 141-a threading hole, 15-a first positioning part, 16-a second positioning part, 17-a lateral support rib,

2-damper assembly, 21-frame, 211-first frame, 212-second frame, 213-drive housing, 22-damper, 23-cable, 3-spool, 31-receiving groove, 32-spool, 4-seal.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships only for the convenience of description of the present invention and to simplify the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment of the utility model provides a: as shown in fig. 1-6, an air duct assembly is disclosed, comprising: the air duct comprises an air duct shell 1 and an air door assembly 2, wherein the air duct shell 1 is provided with a main shell 11 of an air duct 10 and an extension section 12 extending from the main shell 11.

The damper assembly 2 is disposed at one end of the air duct 10, and has a frame 21 fixed to the extension 12, a damper 22 rotatably mounted on the frame 21 to open or close the air duct 10, a driving unit for driving the damper 22 to rotate, and a cable 23 connected to the driving unit; wherein, the extension section 12 is formed with a winding part 3 at a position close to the driving unit, and the cable 23 is connected with the driving unit after passing through the winding part 3.

The damper 22 is rotatably mounted to the frame 21 during use and opens or closes the air chute 10 during rotation to effect control of the air chute 10, and the drive unit is used to control the rotation of the damper 22. The cable 23 for controlling the driving unit in the prior art is directly connected to the driving unit after passing through the bladder. The prior art structural arrangements suffer from the following drawbacks: when air door subassembly 2 breaks down the back, air door subassembly 2 can be produced the restriction to air door subassembly 2 to the length of cable 23 in air door subassembly 2 dismantlement in-process, and this restriction can influence air door subassembly 2's home range, and then influences air door subassembly 2's installation and dismantlement.

A cable 23 for controlling drive unit in this embodiment is arranging the in-process earlier through setting up the portion of winding 3 near drive unit position department, then be connected with drive unit, the setting of portion of winding 3 can make partial cable 23 in portion of winding 3, thereby dismantle the convenient realization of in-process at air door subassembly 2 and to the change of cable 23 length, thereby avoid cable 23 because length is fixed to cause the restriction to air door subassembly 2, the dismantlement of air door subassembly 2 has been made things convenient for, the convenience of after-sale maintenance has been improved.

In the present embodiment, as shown in fig. 6, the wire winding portion 3 includes an accommodating groove 31 recessed on an inner side wall of the extending section 12, and a cable through hole 13 penetrating through the inner side wall and communicating with the accommodating groove 31. The cable penetration hole 13 is used for passing the cable 23. The air duct assembly further includes a cover plate 14 that opens or covers the receiving groove 31.

In this embodiment, the wire winding portion 3 is a containing groove disposed on the extending section 12, one end of the cable 23 penetrates through the air duct 10 through the cable through hole 13 for being connected with a device outside the air duct, and meanwhile, a part of the cable 23 is reserved and contained in the containing groove 31, so as to adjust the length of the cable 23. The arrangement of the cover plate 14 can conveniently realize the positioning of the cable 23 in the accommodating groove 31, and the cable 23 is prevented from extending to the air duct 10 to influence the ventilation. In addition, in the present embodiment, the cable through hole 13 is disposed in the accommodating groove 31, so that the cable 23 directly passes through the accommodating groove 31 to the outside, thereby preventing the cable 23 from being arranged in the air duct 10. In the present embodiment, the cover 14 is detachably fixed to the extension 12 by a snap-fit manner to facilitate opening or closing of the cover 14.

Further, as shown in fig. 5, the cover plate 14 has a threading hole 141, the driving unit has a cable connecting portion for connecting with the cable 23, and the cable connecting portion is disposed opposite to the threading hole 141. The cable 23 directly enters the accommodating groove 31 through the threading hole 141 after passing through the driving unit, so that the exposure of the cable 23 in the air duct 10 is reduced as much as possible, the ventilation of the air duct 10 is affected, and the service life of the cable 23 is shortened. In order to more conveniently realize the threading of the cable 23, the threading hole 141 is a semicircular notch arranged at the edge of the cover plate 14, and correspondingly, a through hole opposite to the threading hole 141 may be arranged on the extension section 12.

The setting of apron 14 plays certain positioning action to cable 23 in the storage tank 31, and simultaneously, the setting of apron 14 can also play the effect that covers to storage tank 31 thereby reduces the effect of the interior circulation of wind channel 10 air conditioning to cable 23 and has avoided storage tank 31 open to cause the flow of the cold wind in wind channel 10 to block and influence. Further, in order to minimize the influence of the cool air in the air duct 10, in the present embodiment, the outer wall surface of the cover plate 14 facing away from the accommodating groove does not protrude beyond the inner wall surface 121 of the extension section 12. Preferably, the outer wall surface of the cover plate 14 and the inner shielding surface 121 of the extension 12 are located on the same plane, and the arrangement is such that the inner shielding surface of the extension 12 is substantially a plane, thereby reducing the influence of the cold wind on the wind tunnel 10.

As a further improvement, as shown in fig. 4, in the present embodiment, the accommodating groove 31 is configured such that when the damper 22 rotates to open the air duct 10, the accommodating groove 31 is opposite to the back side of the damper 22. In this embodiment, the back side of the air door 22 is the side of the air door 22 opposite to the air duct 10 after closing the air duct 10. The arrangement of the above structure can reduce the influence of the cold air in the air duct 10 on the accommodating groove 31.

In order to better realize the positioning of the cable 23, as shown in fig. 6 to 8, in the present embodiment, the winding portion 3 further has a winding post 32 disposed in the accommodating groove 31, and the cable 23 is wound on the winding post 32. The winding post 32 is disposed apart from the cable through hole 13 and is disposed apart from the driving unit, that is, the winding post 32 is disposed apart from the driving unit compared to the cable through hole 13. Due to the arrangement, the cable 23 can be wound more conveniently, after entering the accommodating groove 31 from the threading hole 141, the cable 23 firstly extends towards the relatively far wrapping post 32 and then reversely extends back to the cable through hole 13 relatively close to the wrapping post 32, and thus the cable 23 can be wound in the accommodating groove 31 as long as possible. In the present embodiment, the winding post 32 is a hook disposed in the accommodating groove 31, and a hook head of the hook protrudes in a direction away from the cable through hole 13, and the structure can enhance the winding stability of the cable 23.

As shown in fig. 7-8, to facilitate the installation and removal of the damper assembly 2, in this embodiment the damper assembly 2 is removably attached to the extension 12. Specifically, the extension section 12 has a first positioning portion 15 for abutting against the bottom of the frame 21 and a second positioning portion 16 for abutting against the top of the frame 21, and the second positioning portion 16 is disposed on the inner side wall of the extension section 12. The second positioning portion 16 is provided with two opposite sides abutting against the top of the frame 21, respectively. In this embodiment, one second positioning portion 16 is a protruding portion fixed on the inner side wall of the extension section 12, and the other second positioning portion 16 is an elastic clamping member disposed on the inner side wall of the extension section 12. Have on the elastic clamping spare and be used for butt portion and the slant guide part with frame 21 looks butt, can be earlier with the first end at frame 21 top and the 16 looks butt of second location portion that is the bellying in the installation fixed process, the other end of frame 21 slides and makes elastic clamping spare elastic deformation along the slant guide part on the second location portion 16 that sets the elastic clamping spare to, elastic clamping spare resets and kick-backs and makes butt portion and frame 21 looks butt behind frame 21 roll-off slant guide part, thereby the realization is fixed to frame 21's installation. Of course, for better installation and fixation, in another embodiment, both of the second positioning portions 16 may be provided as elastic clamping members.

As shown in fig. 4, further, the first positioning portion 15 is adapted to the shape of the bottom of the frame 21, and a sealing member 4 is disposed between the first positioning portion 15 and the frame 21. The sealing member 4 is arranged to be sandwiched between the bottom of the frame 21 and the first positioning portion 15, and the sealing member 4 is fixed by the downward pressing force of the frame 21, so that the sealing member 4 can be fixed more easily. Compared with the prior art in which the sealing member 4 is arranged along the side wall of the frame 21, the sealing member 4 can be prevented from sliding during the installation and fixation of the frame 21, so that the cold air can be better leaked from the gap between the frame 21 and the first positioning portion 15 after the air door 22 closes the air duct 10.

Further, as shown in fig. 8, the inner side wall of the air duct housing 1 further has a plurality of lateral support ribs 17 extending along the extending direction of the extending section 12, and the lateral support members 17 are disposed on two opposite sides of the extending section 12 and respectively abut against the frame 21. The lateral support member 17 has an oblique guide surface, the oblique guide surface 17 gradually decreases in inclination in a direction away from the air duct 10, and the frame 21 can be conveniently mounted and fixed by the oblique guide surface. The arrangement of the lateral support ribs 17 changes the contact between the frame 21 and the inner side wall surface of the extension section 12 into the contact between the line and the surface in the prior art, so that the advantage of the arrangement is that the frame 21 can be conveniently installed and fixed under the condition that the precision of the frame 21 is insufficient, namely, the shape of the inner side wall of the frame 21 and the shape of the inner side wall of the extension section 12 are not matched slightly. The efficiency of wind channel subassembly assembly is improved.

As shown in fig. 9 to 10, in the present embodiment, the frame 21 has a first frame body 211, a second frame body 212, and a driving housing 213 disposed between the first frame body 211 and the second frame body 212, and the first frame body 211 and the second frame body 212 are respectively rotatably mounted with the corresponding dampers 22; a driving chamber for accommodating the driving unit is provided in the driving housing 213. Two air doors 22 can be rotatably arranged on the frame 21, and the arrangement of the two air doors can enable the air duct assembly to better meet various requirements. The two dampers 22 are respectively and correspondingly arranged on the first frame body 211 and the second frame body 212, and the driving unit is arranged between the first frame body 211 and the second frame body 212 so as to conveniently realize the control of the two dampers 22.

The utility model discloses a further embodiment also discloses a refrigerator, including foretell wind channel subassembly and inner bag, the one end of wind channel casing is fixed on the inner bag.

The structure, features and effects of the present invention are described in detail in the embodiments shown in the drawings, and the above description is only a preferred embodiment of the present invention, and those skilled in the art can understand that: the present invention is not limited to the embodiments shown in the drawings, and all modifications made according to the concept of the present invention or equivalent embodiments modified to equivalent variations without departing from the spirit and spirit of the present invention shall be within the scope of the present invention.

Claims

1. An air duct assembly, comprising:

2. The air duct assembly of claim 1, wherein the wire winding portion includes a receiving groove concavely formed on an inner side wall of the extension section, and a cable through hole penetrating through the inner side wall and communicating with the receiving groove;

3. The air duct assembly according to claim 2, wherein the cover plate has a threading hole, and the driving unit has a cable connecting portion for connecting with the cable, the cable connecting portion being disposed opposite to the threading hole.

4. The air duct assembly of claim 2, wherein an outer wall surface of the cover plate facing away from the receiving slot does not protrude beyond an inner wall surface of the extension section.

5. The air duct assembly of claim 2, wherein the winding portion further has a winding post disposed within the receiving slot, the winding post disposed at a distance from the cable through-hole and away from the drive unit; the cable is wound on the winding post.

6. The air duct assembly according to claim 2, wherein the damper is rotated to open the air duct with the receiving slot opposing a back side of the damper.

7. The air duct assembly according to claim 1, wherein the extension has a first positioning portion for abutting against a bottom of the frame and a second positioning portion for abutting against a top of the frame, and the second positioning portion is an elastic clamping member disposed on an inner side wall of the extension.

8. The air duct assembly of claim 7, wherein the first positioning portion is adapted to a shape of the bottom of the frame, and a seal is disposed between the first positioning portion and the frame.

9. The air duct assembly according to claim 1, wherein the inner side wall of the air duct housing further has a plurality of lateral support ribs extending along the extending direction of the extending section, and the lateral support members are disposed on two opposite sides of the extending section and respectively abut against the frame.

10. A refrigerator, characterized in that, comprising the air duct assembly and the inner container as claimed in any one of claims 1 to 9, one end of the air duct housing is fixed on the inner container.