CN216716472U - Fresh air pipeline assembly, air conditioner indoor unit and air conditioner - Google Patents

Abstract

The utility model provides a fresh air pipeline assembly, an air conditioner internal unit and an air conditioner, relates to the technical field of air treatment, and aims to solve the problem that a guard ring is difficult to fix on a wall. Wherein, fresh air duct assembly includes: the fresh air pipeline is sleeved with the fresh air pipeline, and the guard ring is used for installing the fresh air pipeline at a preset fixed position; the retainer comprises an annular main body and a jaw arranged on the annular main body, the jaw is far away from the outer peripheral surface of the annular main body, the central axis of the retainer extends and is arranged, and the jaw is used for abutting against the hole wall of the fixing hole when the annular main body penetrates through the fixing hole at the preset fixing position.

Description

Fresh air pipeline assembly, air conditioner internal unit and air conditioner

Technical Field

The utility model relates to the technical field of air treatment, in particular to a fresh air pipeline assembly, an air conditioner internal unit and an air conditioner.

Background

The air conditioner is a household appliance which is widely applied, generally has heating and refrigerating functions, adjusts the temperature of indoor air when the ambient temperature is too low or too high, provides a proper indoor environment for users, and effectively improves the life quality of the users.

In the related art, a fresh air function is usually configured for an air conditioner, and the air conditioner with the fresh air function can be used for outdoor air to enter so as to improve parameters such as oxygen content of indoor air and achieve the purpose of improving the quality of the indoor air. Specifically, set up new trend passageway at the air conditioner, set up new trend pipeline at new trend passageway's entry end, new trend pipeline passes through the protective shroud and installs on the wall, and new trend pipeline is arranged in carrying outdoor new trend to new trend passageway.

However, it is very difficult to fix the grommet to the wall due to manufacturing tolerances of the grommet or errors in drilling holes in the wall on site.

SUMMERY OF THE UTILITY MODEL

The utility model provides a fresh air pipeline assembly, an air conditioner internal unit and an air conditioner, which aim to solve the problem that a guard ring is difficult to fix on a wall.

In a first aspect, the present invention provides a fresh air duct assembly, comprising: the fresh air pipeline is sleeved with the fresh air pipeline, and the guard ring is used for installing the fresh air pipeline at a preset fixed position; the retainer comprises an annular main body and a jaw arranged on the annular main body, the jaw is far away from the outer peripheral surface of the annular main body, the central axis of the retainer extends and is arranged, and the jaw is used for abutting against the hole wall of the fixing hole when the annular main body penetrates through the fixing hole at the preset fixing position.

In one possible implementation, the jaw comprises a plurality of jaws; the clamping jaws are distributed at intervals along the circumferential direction of the annular main body.

In one possible implementation, the jaws extend in a radial direction of the annular body and in a direction away from a centerline of the annular body.

In one possible implementation manner, a groove is formed in the joint of the jaw and the annular main body, the groove penetrates through the jaw along the circumferential direction of the annular main body, and the opening of the groove is located on one side away from the fresh air pipe cap, so that the jaw can be bent to abut against the hole wall of the fixed hole when penetrating through the fixed hole.

In one possible implementation manner, the slot includes a first slot wall and a second slot wall, the first slot wall and the second slot wall are disposed in an inclined manner in opposite directions, and ends of the first slot wall and the second slot wall facing away from the opening are connected.

In one possible implementation manner, a protective edge is arranged at one end of the annular main body, which is far away from the fresh air pipe cap, and the protective edge is turned over relative to the annular main body along a direction far away from a center line of the annular main body.

In one possible implementation, the claw is disposed near an end of the ring-shaped body away from the protective edge.

In one possible implementation manner, a side of the protection edge away from the annular main body is provided with a bending edge, and the bending edge is bent relative to the protection edge towards the direction of the fresh air pipe cap.

A second aspect of the present invention provides an air conditioner indoor unit, including: the fresh air duct assembly as claimed in any one of the preceding claims and an enclosure to which the fresh air duct assembly is mounted.

A third aspect of the present invention provides an air conditioner comprising: the air conditioner indoor unit comprises the air conditioner indoor unit and the air conditioner outdoor unit connected with the air conditioner indoor unit.

The fresh air pipeline assembly, the air conditioner internal unit and the air conditioner provided by the utility model are characterized in that the fresh air pipeline assembly comprises: the fresh air pipeline is sleeved with the fresh air pipeline, and the guard ring is used for installing the fresh air pipeline at a preset fixed position; the protective ring includes annular main part and set up in the jack catch of annular main part, the jack catch certainly the outer peripheral face of annular main part is kept away from the axis extension setting of protective ring, the jack catch be used for annular main part wear to locate when the fixed orifices of predetermineeing fixed position department with the pore wall of fixed orifices offsets. Thus, the retainer ring can be prevented from falling off from the fixing hole, so that the retainer ring can be reliably fixed to the wall, and the fresh air duct assembly can be reliably mounted on the wall through the retainer ring.

Drawings

The following detailed description of the present invention is provided in conjunction with the accompanying drawings, and it is to be understood that the detailed description set forth herein is merely illustrative and explanatory of the present invention and is not restrictive of the utility model as claimed below.

Fig. 1 is a schematic structural diagram of a fresh air duct assembly according to an exemplary embodiment of the present invention;

FIG. 2 is a perspective view of a retainer according to an exemplary embodiment of the present invention;

FIG. 3 is a cross-sectional view of the retainer taken along the line A-A in FIG. 2;

FIG. 4 is an enlarged partial view of portion B of FIG. 3;

FIG. 5 is a schematic view of an application of a retainer according to an exemplary embodiment of the present invention;

fig. 6 is a partially enlarged schematic view of a portion C in fig. 5.

Description of reference numerals: 1-fresh air pipeline; 11-a connector; 2-fresh air pipe cap; 21-air inlet holes; 3-a retainer; 31-a ring-shaped body; 32-jaws; 321-slotting; 3211-a first cell wall; 3212-a second cell wall; 33-protective edge; 34-a bent edge; 4-rubber sealing ring; 5-a wall; 51-fixed orifices.

Detailed Description

The following detailed description of the present invention is provided in conjunction with the accompanying drawings, and it is to be understood that the detailed description set forth herein is merely illustrative and explanatory of the present invention and is not restrictive of the utility model as claimed below.

In the related art, a fresh air function is usually configured for an air conditioner, and the air conditioner with the fresh air function can be used for outdoor air to enter so as to improve parameters such as oxygen content of indoor air and achieve the purpose of improving the quality of the indoor air. Specifically, set up new trend passageway at the air conditioner, set up new trend pipeline at new trend passageway's entry end, new trend pipeline passes through the protective shroud and installs on the wall, and new trend pipeline is arranged in carrying outdoor new trend to new trend passageway. However, it is very difficult to fix the grommet to the wall due to manufacturing tolerances of the grommet or errors in drilling holes in the wall on site.

In order to overcome above-mentioned problem, the embodiment provides an air conditioner internal unit, through jack catch on the protective shroud of new wind pipeline is located to the cover, the jack catch extends the setting from the axis that the protective shroud was kept away from to the outer peripheral face of annular main part, when wearing to locate the protective shroud in the fixed orifices on the wall, the jack catch can offset with the fixed orifices on the wall, in order to avoid the protective shroud to drop from the fixed orifices, thereby can fix the protective shroud to the wall reliably, and then make new wind pipeline can install to the wall reliably through the protective shroud.

The structure and function of the air conditioner indoor unit provided in this embodiment will be described below by way of example with reference to the accompanying drawings.

The air conditioner indoor unit that this embodiment provided includes: casing and install in the fresh air duct assembly of casing. The casing includes upper casing and lower casing, and upper casing is used for installing parts such as wind channel component and indoor heat exchanger, and the lower casing is used for installing parts such as compressor, new trend module, purification module.

The air duct component is used for installing the indoor heat exchanger, the upper end of the air duct component is provided with a sealing support, the sealing support is provided with a shielding part, and the shielding part can be in contact with the top end of the indoor heat exchanger; the shape of the shielding part is matched with the top end of the indoor heat exchanger, so that the top end of the indoor heat exchanger can be better sealed. The shielding part is positioned at the junction of cold air and hot air, and condensed water formed at the junction can flow downwards along the indoor heat exchanger to the water pan and then is discharged.

The air duct component and the indoor heat exchanger define a main air duct, the upper shell is provided with a main air outlet communicated with the main air duct, and air flow in the main air duct can enter the indoor space from the main air outlet. The main air duct can be internally provided with cross-flow fans which are distributed from top to bottom, the cross-flow fans can be arranged on the air duct component and are used for promoting air to enter the main air duct to exchange heat with the indoor heat exchanger and to flow out of the main air outlet to the indoor.

The main air duct also has a main air inlet, and the main air inlet of the main air duct can be communicated with a fresh air outlet of the fresh air module, so that outdoor fresh air can enter the main air duct through the fresh air module to exchange heat with the indoor heat exchanger and then enter the room from the main air outlet.

The fresh air module is arranged at the lower part of the casing. The fresh air module can comprise a fresh air component for limiting a fresh air duct, the fresh air component is provided with a fresh air inlet and a fresh air outlet, and the shape of the fresh air component can be set according to actual needs; for example, the fresh air member may be a box-like structure or a box-like structure. The fresh air module is communicated with the fresh air pipeline assembly, so that outdoor fresh air can enter the fresh air module through the fresh air pipeline assembly and then is conveyed to the indoor space through the main air outlet.

The lower housing is generally provided with a framework, a front door panel and a rear guard plate, which are mounted on the framework to enclose a space for accommodating the compressor, the fresh air module, and the like. The back backplate is provided with the maintenance mouth, and maintenance mouth department lid is equipped with the maintenance board, and the maintenance board can be dismantled with the back backplate and be connected to do benefit to follow-up maintenance.

The maintenance board department is provided with the through-hole, and the one end of fresh air pipeline subassembly is worn to locate in the through-hole and is continuous with the new trend module to make outdoor air can get into the new trend module through fresh air pipeline subassembly. The purification module can be arranged between the fresh air module and the main air duct and is used for purifying the entering outdoor fresh air so as to be beneficial to further improving the indoor air quality. Wherein, purification module includes at least one of following: the device comprises a water washing module, an anion module, a plasma purification module and a high-efficiency air filter.

FIG. 1 is a schematic structural view of a fresh air duct assembly provided in an exemplary embodiment of the present invention; FIG. 2 is a perspective view of a retainer according to an exemplary embodiment of the present invention; FIG. 3 is a cross-sectional view of the retainer taken along the line A-A in FIG. 2; FIG. 4 is an enlarged partial view of portion B of FIG. 3; FIG. 5 is a schematic view of a retainer utilized in accordance with an exemplary embodiment of the present invention; fig. 6 is a partially enlarged schematic view of a portion C in fig. 5.

Referring to fig. 1 to 6, the fresh air duct assembly includes: fresh air pipeline 1, new trend pipe cap 2 and protective shroud 3, the new trend passageway that maintenance board and casing were passed to the one end of new trend pipeline 1 links to each other, and the other end of new trend pipeline 1 links to each other with new trend pipe cap 2, and new trend pipeline 1 is located to protective shroud 3 cover, and protective shroud 3 is used for installing new trend pipeline 1 in predetermineeing fixed position.

The fresh air duct 1 may be a corrugated tube. Alternatively, the fresh air duct 1 may be a hose. One end of the fresh air pipeline 1 can be connected with a fresh air channel of the fresh air module through a connecting piece 11. This end of new trend passageway can be provided with the stainless steel protecting wire net, and the stainless steel protecting wire net is arranged in filtering the particulate matter that carries in the outdoor air that gets into from the other end of new trend pipeline 1 to do benefit to and improve indoor air quality.

The other end of the fresh air pipeline 1 is connected with a fresh air pipe cap 2, and the fresh air pipeline 1 can be connected with the fresh air pipeline 1 through threads. Fresh air pipe cap 2 is hollow column, and fresh air pipe cap 2's cylinder has at least part region to be provided with fresh air inlet 21, and fresh air pipe cap 2 deviates from the one end of fresh air pipeline 1 and is provided with the end wall, also is provided with fresh air inlet 21 on this end wall. Outdoor fresh air can enter the fresh air pipe cap 2 from the air inlet hole 21 and then enter the fresh air pipeline 1.

Optionally, the air inlet holes 21 may be long holes, so as to ensure the fresh air inlet volume. Wherein, the slot hole of locating on the cylinder of new trend pipe cap 2 is the arc, and the length direction of this slot hole extends along the circumference of new trend pipe cap 2. The long hole arranged on the end wall extends along the radial direction of the end wall; alternatively, the elongated hole provided in the end wall is arc-shaped, and the length direction of the elongated hole extends in the circumferential direction of the end wall.

Specifically, along the axial direction of the fresh air pipe cap 2, the cylindrical surface of the fresh air pipe cap 2 is provided with a plurality of long holes distributed at intervals; a plurality of long holes distributed at intervals are arranged on the cylindrical surface of the fresh air pipe cap 2 along the circumferential direction of the fresh air pipe cap 2; the end wall includes a plurality of elongated holes arranged in a matrix. When the quantity of slot hole is more, the fresh air intake is bigger relatively. When the width of the long hole is relatively smaller, the filtering effect on outdoor fresh air is better.

Optionally, the width of slot hole is greater than 2 millimeters and less than or equal to 4 millimeters to filter great particulate matter, and do benefit to and make more outdoor new trend can get into, also compromise the intake of outdoor new trend and to the filtration of outdoor new trend. Optionally, the width of the long hole may be 2.1 mm, 2.5 mm, 3 mm, 3.5 mm, or 4 mm, or a value between any two of the foregoing values. For example, the width of slot hole is 3 millimeters, does benefit to and filters the particulate matter that is greater than 3 millimeters to it leads to new trend quality to descend in getting into the new trend module. Wherein, for the long hole arranged on the tube wall, the width direction of the long hole is parallel to the axial direction of the new air tube cap 23.

In addition, in order to avoid air leakage at the positions of the fresh air pipeline 1 and the fresh air pipe cap 2, a rubber sealing ring 4 can be arranged between the fresh air pipeline 1 and the fresh air pipeline 1.

The cylindrical surface of the fresh air pipeline 1 is sleeved with a guard ring 3, and the guard ring 3 is used for mounting the fresh air pipeline 1 on a wall 5 so as to fix the fresh air pipeline 1.

The retainer 3 includes an annular body 31 and claws 32 provided to the annular body 31. The shape and size of the annular body 31 are adapted to the fresh air duct 1. When the fresh air duct 1 is a circular duct, the annular body 31 is a hollow circular ring. The claws 32 are provided on the outer cylindrical surface, i.e., the outer peripheral surface, of the ring-shaped body 31.

The claws 32 extend from the outer peripheral surface of the annular main body 31 away from the central axis of the retainer 3, and the claws 32 are used for abutting against the hole wall of the fixing hole 51 when the annular main body 31 is inserted into the fixing hole 51 at the preset fixing position.

Among them, the claw 32 may be one or more. When the number of the claws 32 is one, the claws 32 may extend a certain length in the circumferential direction of the ring-shaped body 31, so as to increase the contact area between the claws 32 and the hole wall of the fixing hole 51, and to improve the fixing reliability.

When the plurality of claws 32 are provided, the plurality of claws 32 are distributed at intervals along the circumferential direction of the ring-shaped main body 31, so that the contact area between the claws 32 and the hole wall of the fixing hole 51 is increased, and the fixing reliability is improved. The plurality of snap rings may be spaced and uniformly distributed along the circumference of the ring body 31 to further improve the fixing reliability.

Pass also when wearing out the fresh air duct assembly from indoor to outdoor with fresh air duct 1 from fixed orifices 51, wear to locate fixed orifices 51 with the cyclic annular main part 31 of protective shroud 3, in this process, jaw 32 can take place certain buckling along the direction of keeping away from fresh air pipe cap 2 under the effect of the pore wall of fixed orifices 51, thereby jaw 32 can closely offset in the pore wall of fixed orifices 51, also jaw 32 card is located in fixed orifices 51, and then do benefit to and avoid jaw 32 to drop from fixed orifices 51, avoid protective shroud 3 to drop from fixed orifices 51.

The air conditioner internal unit that this embodiment provided, through setting up fresh air duct assembly, fresh air duct assembly includes: the fresh air pipeline comprises a fresh air pipeline 1, a fresh air pipe cap 2 and a guard ring 3, wherein one end of the fresh air pipeline 1 is connected with a fresh air channel of an indoor unit of the air conditioner, the other end of the fresh air pipeline 1 is connected with the fresh air pipe cap 2, the guard ring 3 is sleeved on the fresh air pipeline 1, and the guard ring 3 is used for installing the fresh air pipeline 1 at a preset fixed position; the retainer 3 includes an annular main body 31 and a claw 32 disposed on the annular main body 31, the claw 32 extends from the outer peripheral surface of the annular main body 31 away from the central axis of the retainer 3, and the claw 32 is used for abutting against the hole wall of the fixing hole 51 when the annular main body 31 is disposed through the fixing hole 51 at the predetermined fixing position. Thus, retainer 3 can be prevented from falling out of fixing hole 51, retainer 3 can be reliably fixed to wall 5, and the fresh air duct assembly can be reliably mounted to wall 5 through retainer 3.

In some embodiments, the jaws 32 extend radially of the annular body 31 and extend in a direction away from the centerline of the annular body 31. Like this, when installing fresh air duct assembly and wall 5, the jack catch 32 can take place the bending of bigger angular range relatively for fresh air duct assembly can be applicable to more scenes.

In other embodiments, the jaws 32 may be disposed obliquely with respect to the cross-section of the annular body 31, i.e., the jaws 32 have an acute included angle with the centerline of the annular body 31.

In some embodiments, the connection between the jaws 32 and the annular body 31 is provided with slots 321, the slots 321 are disposed through the jaws 32 along the circumferential direction of the annular body 31, and the openings of the slots 321 are located at the side away from the fresh air duct cap 2, so that the jaws 32 can be bent to abut against the wall of the fixing hole 51 when being inserted into the fixing hole 51. Wherein the slot 321 may be rectangular, V-shaped, U-shaped, etc.

Optionally, the slot 321 includes a first slot wall 3211 and a second slot wall 3212, and an included angle is formed between the first slot wall 3211 and the second slot wall 3212. Wherein the included angle may be greater than or equal to 30 degrees and less than 90 degrees. For example, the included angle between the first groove wall 3211 and the second groove wall 3212 may be any one of 30 degrees, 35 degrees, 40 degrees, 45 degrees, 50 degrees, 55 degrees, 60 degrees, 65 degrees, 70 degrees, 75 degrees, 80 degrees, and 85 degrees, or an angle between any two of the above.

In some examples, the first groove wall 3211 and the second groove wall 3212 are both planar, the first groove wall 3211 and the second groove wall 3212 are inclined in opposite directions, and ends of the first groove wall 3211 and the second groove wall 3212 facing away from the opening are connected. The inclination of the first slot wall 3211 and the second slot wall 3212 may be set according to actual needs; that is, an included angle between the first groove wall 3211 and the second groove wall 3212 may be set according to actual requirements.

In other examples, the slot 321 includes a first slot wall 3211 and a second slot wall 3212, both the first slot wall 3211 and the second slot wall 3212 are planar, the first slot wall 3211 may be parallel to a central line of the annular main body 31, the second slot wall 3212 may be inclined with respect to the first slot wall 3211, and an included angle between the first slot wall 3211 and the second slot wall 3212 may be set according to actual needs.

In other examples, at least one of the first and second groove walls 3211, 3212 may be curved, or at least a portion of at least one of the first and second groove walls 3211, 3212 may be curved.

Pass also when wearing out the fresh air duct assembly from indoor to outdoor with fresh air duct 1 from fixed orifices 51, wear to locate fixed orifices 51 with the cyclic annular main part 31 of protective shroud 3, in this process, because fluting 321 can provide certain space for jack catch 32 is buckled, make jack catch 32 can take place certain buckling along the direction of keeping away from fresh air pipe cap 2 under the effect of the pore wall of fixed orifices 51, thereby jack catch 32 can closely offset in the pore wall of fixed orifices 51, also the jack catch 32 card is located in fixed orifices 51, and then do benefit to and avoid jack catch 32 to drop from fixed orifices 51, avoid protective shroud 3 to drop from fixed orifices 51.

In other embodiments, the jaws 32 may be made of a resilient material. The jaws 32 may be integrally provided with the annular body 31, or the jaws 32 may be bonded to the annular body 31, or the jaws 32 may be welded to the annular body 31.

Pass fresh air duct 1 from fixed orifices 51 and also when wearing out fresh air duct assembly from indoor to outdoor, wear to locate fixed orifices 51 with annular main part 31 of protective shroud 3, in this process, because jack catch 32 has elasticity, certain buckling can take place along the direction of keeping away from fresh air pipe cap 2 under the effect of the pore wall of fixed orifices 51 for jack catch 32, thereby jack catch 32 can closely offset in the pore wall of fixed orifices 51, also in jack catch 32 card locates fixed orifices 51, and then do benefit to and avoid jack catch 32 to drop from fixed orifices 51, avoid protective shroud 3 to drop from fixed orifices 51.

In some embodiments, an end of the annular body 31 away from the fresh air duct cap 2 is provided with a protective edge 33, and the protective edge 33 is folded relative to the annular body 31 in a direction away from a center line of the annular body 31. The protective edge 33 is used to close the gap between the annular main body 31 and the hole wall of the fixed hole 51 to prevent particles and the like outside the room from entering the room through the gap between the annular main body 31 and the hole wall of the fixed hole 51. The jaws 32 are disposed proximate an end of the ring-shaped body 31 distal from the guard edge 33.

Wherein the protective rim 33 is arranged along the circumferential extension of the ring-shaped body 31 to form a closed loop. The protective rim 33 also extends in the radial direction of the ring-shaped body 31, and the extension of the protective rim 33 is greater than the extension of the claws 32 in this direction.

Optionally, a side of the protection edge 33 away from the ring-shaped main body 31 is provided with a bent edge 34, and the bent edge 34 is bent relative to the protection edge 33 in a direction toward the fresh air duct cap 2. The bent edge 34 is provided along the circumferential extension of the ring-shaped body 31 to form a closed loop. This is advantageous in improving the strength of the protective edge 33.

The embodiment also provides a fresh air duct assembly. The structure, function and implementation process of the fresh air pipeline assembly are the same as those of any one of the previous embodiments.

The embodiment also provides an air conditioner, which comprises an air conditioner external unit and an air conditioner internal unit which are connected with each other. The structure of the air conditioner external unit can adopt a conventional arrangement, and the structure of the air conditioner external unit is not particularly limited in this embodiment. The structure and function of the air conditioner indoor unit are the same as those of the foregoing examples.

It should be noted that the terms "first" and "second" 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 at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the second feature or the first and second features may be indirectly contacting each other through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description above, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions fall off the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. A fresh air duct assembly, comprising: the fresh air pipeline is arranged at a preset fixed position and sleeved with the protective ring;

the retainer comprises an annular main body and a jaw arranged on the annular main body, the jaw is far away from the outer peripheral surface of the annular main body, the central axis of the retainer extends and is arranged, and the jaw is used for abutting against the hole wall of the fixing hole when the annular main body penetrates through the fixing hole at the preset fixing position.

2. The fresh air duct assembly of claim 1, wherein said pawl comprises a plurality; the clamping jaws are distributed at intervals along the circumferential direction of the annular main body.

3. The fresh air duct assembly of claim 1 wherein said jaws extend radially of said annular body and extend in a direction away from a centerline of said annular body.

4. The fresh air duct assembly according to claim 1, wherein a groove is formed at a joint of the jaw and the annular main body, the groove penetrates through the jaw along a circumferential direction of the annular main body, and an opening of the groove is located on one side away from the fresh air duct cap, so that the jaw can be bent to abut against a wall of the fixing hole when penetrating into the fixing hole.

5. The fresh air duct assembly of claim 4 wherein said slot includes a first slot wall and a second slot wall, said first slot wall and said second slot wall being inclined in opposite directions, said first slot wall and said second slot wall being connected at an end thereof facing away from said opening.

6. The fresh air duct assembly of claim 1 wherein an end of the annular body distal from the fresh air duct cap is provided with a protective rim that is folded over relative to the annular body in a direction distal from a centerline of the annular body.

7. The fresh air duct assembly of claim 6 wherein said pawl is disposed proximate an end of said annular body distal from said protective rim.

8. The fresh air duct assembly of claim 6 wherein a side of the protective rim remote from the annular body is provided with a bent rim, the bent rim being bent relative to the protective rim in a direction toward the fresh air duct cap.

9. An air conditioner indoor unit, characterized by comprising: the fresh air duct assembly of any of claims 1-8 and an enclosure to which the fresh air duct assembly is mounted.

10. An air conditioner, comprising: the air conditioner indoor unit as claimed in claim 9, and an air conditioner outdoor unit connected with the air conditioner indoor unit.

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