Pipe joint structure and air conditioner

Abstract

The utility model discloses a pipe joint structure and an air conditioner and relates to the technical field of air conditioners, the pipe joint structure is used for the air conditioner, the air conditioner comprises a machine shell, a mounting hole is formed in the machine shell, the pipe joint structure comprises a pipe joint, the pipe joint is provided with a first end inserted into the mounting hole and a second end far away from the first end, and the second end is connected with the pipe joint. The first end is provided with a water passing opening and a clamping structure which are communicated with the inner circumferential side of the pipe joint, the water passing opening is used for enabling condensate water in the air conditioner to flow out, the clamping structure is clamped to the edge of the mounting hole, the inner circumferential side of the first end is provided with a water breaking film piece, and the second end is used for being connected with a water drainage pipe of the air conditioner; according to the technical scheme, condensate water can be conveniently discharged out of the air conditioner.

Description

Technical Field

[0001] The utility model relates to the technical field of air conditioners, in particular to a pipe joint structure and an air conditioner. Background Art

[0002] Air conditioner drainage is a key concern during design and operation. Traditional air conditioner drainage systems often involve complex piping layouts and sealing structures, which can be challenging to install and maintain. For example, the air conditioner drain pipe typically requires a secure connection to the housing of the indoor or outdoor unit to ensure smooth drainage of condensed water.

[0003] In the prior art, a pipe joint structure is provided to facilitate the connection between the drain pipe and the housing. Therefore, one end of the pipe joint structure is connected to the housing. However, due to the tension of water molecules, condensed water easily forms a water film. Moreover, due to the small water flow, the impact of the water flow is very weak, making it difficult for the condensed water to be discharged from the air conditioner. Utility Model Content

[0004] The main purpose of the utility model is to provide a pipe joint structure and an air conditioner, aiming to facilitate the discharge of condensed water from the air conditioner.

[0005] To achieve the above-mentioned purpose, the pipe joint structure proposed in the present invention is used for an air conditioner, wherein the air conditioner includes a casing, and the casing is provided with a mounting hole. The pipe joint structure includes:

[0006] A pipe joint having a first end inserted into the mounting hole and a second end away from the first end, the first end being provided with a water outlet and a clamping structure connected to the inner circumference of the pipe joint, the water outlet being used for allowing condensed water in the air conditioner to flow out, the clamping structure being clamped to the edge of the mounting hole, and a water-breaking membrane being provided on the inner circumference of the first end, and the second end being used to connect to the drain pipe of the air conditioner.

[0007] In one embodiment, the end of the water-breaking membrane away from the pipe joint is arranged to be pointed; and / or,

[0008] The water-breaking membrane component is arranged at the edge of the water outlet.

[0009] In one embodiment, the snap-fit ​​structure includes a buckle provided on an edge of the water outlet, and the buckle abuts against an inner side of an edge of the mounting hole.

[0010] In one embodiment, the buckle is configured as a wedge-shaped buckle.

[0011] In one embodiment, the buckle is provided on the upper edge of the water outlet, and the lower edge of the water outlet is lower than or flush with the inner side of the edge of the mounting hole.

[0012] In one embodiment, an abutting rib is further provided on the outer peripheral side of the first end, and the abutting rib abuts against the inner side of the mounting hole.

[0013] In one embodiment, the thickness of the abutting rib gradually increases in a direction approaching the second end.

[0014] In one embodiment, a notch is recessed on a side of the water outlet, and the notch is disposed close to an upper edge of the water outlet.

[0015] In one embodiment, the pipe joint structure also includes an annular seal, and the outer peripheral surface of the pipe joint is provided with an annular abutment portion spaced apart from the clamping structure, the annular abutment portion and the clamping structure are respectively arranged on opposite sides of the casing, and the annular seal is clamped between the annular abutment portion and the casing.

[0016] The utility model also provides an air conditioner, comprising the pipe joint structure as described above.

[0017] In one embodiment, the air conditioner includes an air conditioner indoor unit, an air conditioner outdoor unit, a flexible connection component and an outdoor drain pipe, wherein the flexible connection component connects the air conditioner indoor unit and the air conditioner outdoor unit, the flexible connection component includes a sleeve, and a flexible refrigerant pipe and an indoor drain pipe arranged in the sleeve, the indoor drain pipe discharges condensed water in the air conditioner indoor unit to the air conditioner outdoor unit, the air conditioner outdoor unit includes the casing, and the outdoor drain pipe is connected to the pipe joint.

[0018] In one embodiment, the housing includes a chassis, and the pipe joint structure is mounted on the chassis; and / or,

[0019] The flexible refrigerant tube is pre-filled with refrigerant; and / or,

[0020] The compressor of the air conditioner is arranged in the indoor unit of the air conditioner.

[0021] The technical solution of the present invention is to open a mounting hole in the housing of the air conditioner, and the first end is installed in the mounting hole. The first end is provided with a water outlet and a clamping structure on the inner circumference side of the connecting pipe joint. The water outlet can effectively reduce the water outlet height of the pipe joint, thereby reducing the possibility of water remaining on the chassis. The clamping structure can be clamped to the edge of the mounting hole, thereby facilitating the installation and removal of the pipe joint, and also realizing the rapid installation of the drain pipe and the housing. In addition, since the condensed water generated by the indoor unit of the air conditioner is often collected in a dripping shape, the water flow is very small, and the first end is prone to form a water film due to the tension between water molecules, such as at the water outlet, the end opening of the first end, or the inner circumference of the first end. However, since the water flow is very small, it may be difficult to break through the water film, resulting in the water flow at the bottom of the housing being unable to flow into the pipe joint from the water outlet. Therefore, a water-breaking film component is provided, which can pierce the water film, thereby reducing the possibility of the water film blocking the water outlet and facilitating the discharge of condensed water from the air conditioner. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0023] Figure 1 This is a schematic diagram of an angled installation structure of an embodiment of the pipe joint structure provided by the present utility model;

[0024] Figure 2 for Figure 1 A partial enlarged view of point A in the middle;

[0025] Figure 3 for Figure 1 Schematic diagram of the installation structure of the middle pipe joint structure from another angle;

[0026] Figure 4 for Figure 1 A schematic diagram of the structure of the middle annular seal at an angle;

[0027] Figure 5 for Figure 1 Another structural diagram of the middle annular seal;

[0028] Figure 6 for Figure 1 Another structural diagram of the middle annular seal from another angle.

[0029] Description of Figure Numbers:

[0030] 1. Pipe joint; 11. First end; 111. Water outlet; 112. Buckle; 113. Water-breaking membrane; 114. Abutment rib; 115. Notch; 12. Second end; 13. Annular abutment portion; 2. Annular seal; 3. Casing; 31. Mounting hole; 32. Chassis.

[0031] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0033] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0034] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of such features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme in which A and B are satisfied at the same time. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0035] The utility model provides a pipe joint structure for an air conditioner, which includes an outdoor unit and an indoor unit, with refrigerant pipes connecting the indoor and outdoor units, respectively. The air conditioner can be a split-type air conditioner that is easy for users to install individually. The refrigerant pipes connect the indoor heat exchanger of the indoor unit and the outdoor heat exchanger of the outdoor unit, and refrigerant is injected into the refrigerant circuit before the equipment leaves the factory. In this way, when users install the equipment themselves, they only need to fix the indoor and outdoor units separately, without having to assemble the refrigerant pipes and add refrigerant, thereby reducing installation difficulty and enabling user-friendly installation.

[0036] Furthermore, the compressor of this split-type air conditioner, which is user-friendly and easy to install, can be installed inside the indoor unit, thereby reducing the weight of the outdoor unit and facilitating its installation outdoors. Accordingly, to reduce compressor noise, a noise reduction structure is required for the compressor. However, the present invention is not limited to this. In other embodiments, the air conditioner of the present invention can also be a conventional split-type air conditioner or an integrated air conditioner.

[0037] The air conditioner also includes a flexible connection assembly, which includes a refrigerant pipe, an indoor drain pipe, and a connecting wire. The refrigerant pipe, indoor drain pipe, and connecting wire respectively connect the air conditioner indoor unit to the air conditioner outdoor unit. In other embodiments, the flexible connection assembly includes a sleeve, and the refrigerant pipe, indoor drain pipe, and connecting wire are inserted into the sleeve, so that the refrigerant pipe, indoor drain pipe, and connecting wire are configured as a whole, thereby facilitating the connection between the air conditioner indoor unit and the air conditioner outdoor unit. The sleeve can also be configured as a wire structure, which is wrapped around the outer periphery of the refrigerant pipe, indoor drain pipe, and connecting wire to form the sleeve.

[0038] The air conditioner also includes an outdoor drain pipe connected to the housing 33 of the outdoor unit. This allows condensed water generated by the indoor unit to drain into the outdoor unit through the indoor drain pipe, and then drain the condensed water from the outdoor unit out of the air conditioner through the outdoor drain pipe. To facilitate the installation of the outdoor drain pipe and the housing 33, a pipe joint structure is fixedly mounted to the housing 3 and sealed therewith. The outdoor drain pipe connection pipe joint structure is located at one end outside the housing 3, thereby achieving a sealed connection between the outdoor drain pipe and the housing 3. The end of the pipe joint structure located inside the housing 3 is used to connect to the indoor drain pipe or the interior of the housing 3, allowing the outdoor drain pipe to drain water from the outdoor unit. To reduce the accumulation of condensed water in the outdoor unit, the housing 3 includes a chassis 32. The pipe joint structure is mounted on the chassis 32 or near the chassis 32. In other embodiments, the pipe joint structure can also be mounted elsewhere in the housing 3. In other embodiments, the pipe joint 1 can also be mounted to the housing 3 of the indoor unit, with the indoor drain pipe connected to the pipe joint structure to drain water from the indoor unit.

[0039] The indoor drain pipe drains the condensed water from the indoor unit of the air conditioner into the casing 33 of the outdoor unit, and then the outdoor drain pipe drains the condensed water from the casing 3. However, the discharge path of the condensed water from the outdoor unit is not limited. For example, the indoor drain pipe can drain the condensed water from the indoor unit of the air conditioner to the outdoor heat exchanger in the outdoor unit to assist the outdoor heat exchanger in heat dissipation in the cooling mode of the air conditioner, and then drip onto the bottom plate 32 of the outdoor casing 3, and then flow to the outdoor drain pipe through the bottom plate 32. Alternatively, the condensed water can be directly discharged to the bottom plate 32 of the outdoor casing 3, and then flow to the outdoor drain pipe through the bottom plate 32. In this case, the pipe joint structure directly connects to the interior of the casing 3. Alternatively, the condensed water can be directly connected to the outdoor drain pipe and discharged directly through the outdoor drain pipe. In this case, the pipe joint structure is directly connected to the outdoor drain pipe or connected to the outdoor drain pipe through a connecting pipe. In other words, as long as the condensed water from the indoor unit of the air conditioner can pass through the casing 3, it is not necessary for the condensed water from the indoor unit of the air conditioner to remain in the casing 3.

[0040] See also Figures 1 to 6 In one embodiment of the present invention, the pipe joint structure includes:

[0041] The pipe joint 1 has a first end 11 inserted into the mounting hole 31 and a second end 12 away from the first end 11. The first end 11 is provided with a water outlet 111 and a clamping structure connected to the inner circumference of the pipe joint 1. The water outlet 111 is used to allow condensed water in the air conditioner to flow out. The clamping structure is clamped to the edge of the mounting hole 31, and a water-breaking membrane 113 is provided on the inner circumference of the first end 11. The second end 12 is used to connect to the drain pipe of the air conditioner.

[0042] Specifically, the first end 11 is installed in the mounting hole 31, allowing the pipe joint 1 to communicate with the interior of the housing 3. The second end 12 is connected to the air conditioner's drain pipe, making it easier to connect the drain pipe to the air conditioner's housing 3. However, because the first end 11 is inserted into the mounting hole 31, the water flow height of the pipe joint 1 is necessarily much greater than the height of the air conditioner's chassis 32. Once water enters the air conditioner's outdoor unit, some of the water will accumulate at the bottom of the housing 3, making it difficult to drain. There is also a risk of water leakage through the assembly gap of the housing 3. Therefore, a water flow outlet 111 is provided at the first end 11, connecting to the inner circumference of the pipe joint 1. The water flow outlet 111 can effectively lower the water flow height of the pipe joint 1, thereby reducing the possibility of water remaining on the chassis 32. The snap-fit ​​structure can snap onto the edge of the mounting hole 31, thereby facilitating the installation and removal of the pipe joint 1 and enabling quick installation of the drain pipe and the housing 3.

[0043] Furthermore, because condensed water from the air conditioner indoor unit often drips and collects, the water flow is very small. Due to the tension between water molecules, a water film easily forms on the first end 11, such as at the water outlet 111, the end opening of the first end 11, or the inner periphery of the first end 11. However, because the water flow is so small, it may be difficult to break through the water film, resulting in the water flow at the bottom of the housing 3 being unable to flow into the pipe joint 1 through the water outlet 111. Therefore, a water film breaker 113 is provided to pierce the water film, thereby reducing the possibility of the water film blocking the water outlet 111.

[0044] Among them, the first end 11 and the second end 12 are configured as two connecting ends of the pipe joint, so the second end 12 is set away from the first end 11, but the first end 11 and the second end 12 can be set relative to each other, at this time the pipe joint as a whole is set in a straight cylindrical shape, the first end 11 and the second end 12 can also be set relative to each other, at this time the pipe joint as a whole is set in a bent cylindrical shape.

[0045] Further, such as Figure 4 The end of the water-breaking membrane member 113 away from the pipe joint 1 is pointed, thereby facilitating the water-breaking membrane member 113 to pierce the water film. In this embodiment, the water-breaking membrane member 113 is configured as a wedge. In other embodiments, the water-breaking membrane member 113 may also be configured as a cone or a polyhedron cone; or the water-breaking membrane member 113 may be configured as an irregular shape, with only its end being pointed.

[0046] Furthermore, the water-breaking film member 113 is disposed at the edge of the water outlet 111 , thereby further facilitating the water-breaking film member 113 to pierce the water film.

[0047] See also Figures 1 to 6 In an embodiment of the present invention, the snap-fit ​​structure includes a snap 112 provided on the edge of the water outlet 111, and the snap 112 abuts against the inner side of the edge of the mounting hole 31. Specifically, the snap 112 is provided on the edge of the water outlet 111, so that the water outlet 111 can provide a clearance for the snap 112, eliminating the need to provide a clearance gap around the periphery of the mounting hole 31, thereby facilitating the processing of the mounting hole 31. During actual installation, it is only necessary to insert the pipe joint 1 into the mounting hole 31. Once the snap 112 passes through the mounting hole 31, the snap 112 can be snapped onto the edge of the mounting hole 31, thereby facilitating the installation of the pipe joint 1. The snap 112 abuts against the inner side of the edge of the mounting hole 31, so that the snap-fit ​​structure is provided inside the housing 3, making it convenient to provide a sealing ring or other structure outside the housing 3 to seal the gap between the pipe joint 1 and the mounting hole 31.

[0048] In another embodiment of the present invention, one end of the pipe connector 1 is provided with a plurality of circumferentially spaced clips 112. These clips 112 snap onto the edge of the mounting hole 31, and the intervals between any two adjacent clips 112 form a water-passing notch for condensed water on the bottom plate 32 to flow out. An outdoor drain pipe is connected to the other end of the pipe connector 1. However, in this case, the mounting edge must be provided with a clearance notch corresponding to each clip 112. After the clip 112 passes through the corresponding clearance notch, the pipe connector 1 can be rotated to engage the clip 112 with the edge of the mounting hole 31.

[0049] When the buckle 112 is arranged at the edge of the water outlet 111, in an embodiment of the present utility model, the buckle 112 is configured as a wedge-shaped buckle 112, that is, the thickness of the buckle 112 gradually increases in the direction close to the second end 12, so that the wedge-shaped buckle 112 has a guide surface, so that the buckle 112 passes through the mounting hole 31, so that the edge of the mounting hole 31 presses against the guide surface, thereby pushing the buckle 112 to deflect toward the inner side of the inner water outlet 111, thereby facilitating the insertion of the pipe joint 1. After the buckle 112 passes through the mounting hole 31, the buckle 112 uses its own elastic rebound to reset, so that the buckle 112 is clamped to the edge of the mounting hole 31.

[0050] Furthermore, a clip 112 is provided at the upper edge of the water outlet 111, and the lower edge of the water outlet 111 is lower than or flush with the inner edge of the mounting hole 31. Specifically, the clip 112 is provided at the upper edge of the water outlet 111, so that the clip 112 extends toward the lower edge of the water outlet 111, that is, the clip 112 extends up and down, thereby facilitating the clip 112 to engage the inner edge of the mounting hole 31. Furthermore, the first end 11 is secured to the housing 3 by the lower end of the clip 112 abutting against the inner edge of the mounting hole 31. The length of the clip 112 determines the extent to which the first end 11 extends into the mounting hole 31, thereby facilitating the lower edge of the water outlet 111 to be lower than or flush with the inner edge of the mounting hole 31. This allows the water outlet 111 to pass through the water surface below or flush with the inner surface of the housing 3, thereby minimizing the possibility of water accumulating at the bottom of the housing 3.

[0051] See also Figures 4 to 6In an embodiment of the present invention, an abutting rib 114 is further provided on the outer circumference of the first end 11. The abutting rib 114 abuts against the inner side of the mounting hole 31. To facilitate insertion of the first end 11 into the mounting hole 31, a clearance fit is provided between the first end 11 and the mounting hole 31, or a certain clearance exists between the first end 11 and the mounting hole 31. This causes the pipe joint 1 to easily move within the mounting hole 31 after installation, thereby affecting the installation stability of the pipe joint 1. Therefore, an abutting rib 114 is provided on the outer circumference of the first end 11. The abutting rib 114 abuts against the inner side of the mounting hole 31, so that the side of the abutting rib 114 away from the pipe joint 1 abuts against the mounting hole 31. This allows the mounting hole 31 to be pressed against the pipe joint 1 via the abutting rib 114, and facilitates installation of the pipe joint 1.

[0052] Furthermore, the thickness of the abutting rib 114 gradually increases as it approaches the second end 12. Specifically, the thickness of the abutting rib 114 gradually increases as it approaches the second end 12, so that as the insertion depth of the pipe joint 1 into the mounting hole 31 increases, the abutment strength between the abutting rib 114 and the inner side of the mounting hole 31 gradually increases, thereby further increasing the installation stability of the two and facilitating the insertion of the pipe joint 1 into the mounting hole 31.

[0053] When the buckle 112 is provided at the edge of the water outlet 111, in the embodiment of the present invention, a notch 115 is recessed into the side of the water outlet 111, and the notch 115 is provided near the upper edge of the water outlet 111. Specifically, because the buckle 112 is provided at the edge of the water outlet 111 and at the upper edge of the water outlet 111, the water outlet 111 is configured as a hole-like structure provided around the first end 11. When the first end 11 needs to be connected directly to an indoor drain pipe, or to an indoor drain pipe via a connecting pipe, the indoor drain pipe or connecting pipe is often sleeved or inserted into the first end 11 and located at the upper edge of the water outlet 111. At this time, in order to facilitate the installation of the first end 11 and the indoor drainage pipe or connecting pipe, a notch 115 is recessed on the side of the water outlet 111, and the notch 115 is arranged close to the upper edge of the water outlet 111, thereby reducing the connection area between a section of the first end 11 located at the upper edge of the water outlet 111 and the remaining sections, so that the section of the first end 11 located at the upper edge of the water outlet 111 can swing at a certain angle relative to the remaining sections, thereby facilitating the mutual installation of the first end 11 and the indoor drainage pipe or connecting pipe.

[0054] See also Figures 1 to 3In an embodiment of the present invention, the pipe joint structure further includes an annular seal 2. The outer circumferential surface of the pipe joint 1 is provided with an annular abutment 13 spaced apart from the snap-fit ​​structure. The annular abutment 13 and the snap-fit ​​structure are disposed on opposite sides of the housing 3, and the annular seal 2 is sandwiched between the annular abutment 13 and the housing 3. Specifically, the annular abutment 13 and the snap-fit ​​112 are spaced apart, and the annular abutment 13 and the snap-fit ​​112 are disposed on opposite sides of the chassis 32, so that the annular abutment 13 presses against the chassis 32 to ensure that the snap-fit ​​112 clamps against the edge of the mounting hole 31, thereby ensuring the installation stability of the first pipe joint 1. In order to ensure a seal between the pipe joint 1 and the mounting hole 31, the pipe joint structure further includes an annular seal 2, which is sandwiched between the annular abutment 13 and the housing 3. The annular seal 2 blocks between the mounting hole 31 and the annular abutting portion 13 , thereby further blocking the mounting hole 31 and reducing the possibility of water leakage between the pipe joint 1 and the mounting hole 31 .

[0055] In this embodiment, the buckle 112 and the annular abutment portion 13 are respectively arranged on the inner and outer sides of the casing 3, so that the annular abutment portion 13 and the annular seal 2 jointly press the chassis 32 to ensure that the buckle 112 clamps the edge of the mounting hole 31, thereby ensuring the installation stability of the pipe joint 1.

[0056] The present utility model also proposes an air conditioner, which includes a pipe joint structure. The specific structure of the pipe joint structure refers to the above-mentioned embodiment. Since this air conditioner adopts all the technical solutions of all the above-mentioned embodiments, it has at least all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, which will not be described one by one here.

[0057] The above description is merely an exemplary embodiment of the present invention and does not limit the patent scope of the present invention. All equivalent structural transformations made using the contents of the present invention specification and drawings under the technical concept of the present invention, or direct / indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A pipe joint structure, characterized in that: Used for an air conditioner, the air conditioner includes a casing, the casing is provided with a mounting hole, and the pipe joint structure includes: A pipe joint having a first end inserted into the mounting hole and a second end away from the first end, the first end being provided with a water outlet and a clamping structure connected to the inner circumference of the pipe joint, the water outlet being used for allowing condensed water in the air conditioner to flow out, the clamping structure being clamped to the edge of the mounting hole, and a water-breaking membrane being provided on the inner circumference of the first end, and the second end being used to connect to the drain pipe of the air conditioner.

2. The pipe joint structure according to claim 1, wherein: The end of the water-breaking membrane away from the pipe joint is arranged to be pointed; and / or, The water-breaking membrane component is arranged at the edge of the water outlet.

3. The pipe joint structure according to claim 1, wherein: The clamping structure includes a buckle provided on the edge of the water outlet, and the buckle abuts against the inner side of the edge of the mounting hole.

4. The pipe joint structure according to claim 3, wherein: The buckle is configured as a wedge-shaped buckle.

5. The pipe joint structure according to claim 3, wherein: The buckle is arranged on the upper edge of the water outlet, and the lower edge of the water outlet is lower than or flush with the inner side of the edge of the mounting hole.

6. The pipe joint structure according to claim 1, wherein: An abutting rib is further provided on the outer peripheral side of the first end, and the abutting rib abuts against the inner side of the mounting hole.

7. The pipe joint structure according to claim 6, wherein: The thickness of the abutting rib gradually increases in a direction approaching the second end.

8. The pipe joint structure according to claim 1, wherein: A notch is concavely provided on the side of the water outlet, and the notch is arranged close to the upper edge of the water outlet.

9. The pipe joint structure according to any one of claims 1 to 8, wherein: The pipe joint structure also includes an annular seal. The outer peripheral surface of the pipe joint is provided with an annular abutment portion spaced apart from the clamping structure. The annular abutment portion and the clamping structure are respectively arranged on opposite sides of the casing, and the annular seal is clamped between the annular abutment portion and the casing.

10. An air conditioner, characterized in that: The pipe joint structure comprises the pipe joint structure according to any one of claims 1 to 9.

11. The air conditioner according to claim 10, wherein: The air conditioner includes an air conditioner indoor unit, an air conditioner outdoor unit, a flexible connection component and an outdoor drain pipe. The flexible connection component connects the air conditioner indoor unit and the air conditioner outdoor unit. The flexible connection component includes a sleeve, and a flexible refrigerant pipe and an indoor drain pipe arranged in the sleeve. The indoor drain pipe discharges condensed water in the air conditioner indoor unit to the air conditioner outdoor unit. The air conditioner outdoor unit includes the casing. The outdoor drain pipe is connected to the pipe joint.

12. The air conditioner according to claim 11, wherein The housing includes a chassis, and the pipe joint structure is mounted on the chassis; and / or, The flexible refrigerant tube is pre-filled with refrigerant; and / or, The compressor of the air conditioner is arranged in the indoor unit of the air conditioner.

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