Drain socket and outdoor machine of air conditioner

Abstract

To provide a drain socket that improves draining performance while being downsized.SOLUTION: A drain socket according to the present disclosure is attached to a drain port of an outdoor machine of an air conditioner, and comprises: a socket body comprising a first through hole, and an inclined surface provided around the first through hole, and inclined downward toward the first through hole; a socket side wall extending upward from an outer edge of the socket body; and one or a plurality of locking parts provided in the socket body, and locked in the outdoor machine. The socket side wall comprises a plurality of second through holes penetrating in the thickness direction of the socket side wall.SELECTED DRAWING: Figure 2

Description

[Technical Field]

[0001] The present disclosure relates to a drain socket and an outdoor unit of an air conditioner. [Background technology]

[0002] Patent Document 1 discloses an outdoor unit for an air conditioner. The outdoor unit described in Patent Document 1 has a bottom plate with a hole formed therein, and a socket attached to the bottom plate via a gap between the bottom plate and the underside thereof, and constituting a first drainage channel via the hole, and the gap functions as a second drainage channel that directs drainage water from the hole to the outside when the first drainage channel is blocked. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2014-157008 Summary of the Invention [Problem to be solved by the invention]

[0004] The socket for the outdoor unit described in Patent Document 1 still has room for improvement in terms of improving drainage performance while reducing the size.

[0005] Therefore, an object of the present disclosure is to provide a drain socket and an outdoor unit for an air conditioner that are compact and have improved drainage performance. [Means for solving the problem]

[0006] In order to solve the above-mentioned problems, according to one aspect of the present disclosure, A drain socket that is attached to the drain outlet of an outdoor unit of an air conditioner, a socket body having a first through hole and an inclined surface provided around the first through hole and inclined downward toward the first through hole; a socket sidewall extending upward from an outer edge of the socket body; One or more locking portions provided on the socket body and configured to lock onto the outdoor unit; Equipped with The drain socket is provided, wherein the socket side wall has a plurality of second through holes penetrating the socket side wall in a thickness direction.

[0007] According to one aspect of the present disclosure, A bottom plate provided with a drainage hole; The drain socket described above is attached to the drain outlet; An outdoor unit of an air conditioner is provided. [Effects of the Invention]

[0008] According to the present disclosure, it is possible to provide a drain socket and an outdoor unit for an air conditioner that are compact and have improved drainage performance. [Brief explanation of the drawings]

[0009] [Figure 1] 1 is a schematic perspective view of an outdoor unit of an air conditioner according to a first embodiment of the present disclosure. [Figure 2] FIG. 1 is a schematic perspective view of a drain socket according to a first embodiment of the present disclosure; [Figure 3] 1 is a schematic front view of a drain socket according to a first embodiment of the present disclosure; [Figure 4] 1 is a schematic plan view of a drain socket according to a first embodiment of the present disclosure; [Figure 5] Schematic cross-sectional view of the drain socket in Figure 4 taken along line AA [Figure 6] FIG. 1 is a schematic perspective view of a bottom plate of an outdoor unit of an air conditioner according to a first embodiment of the present disclosure. [Figure 7] FIG. 1 is a schematic enlarged perspective view illustrating a portion of a drain outlet of a bottom plate of an outdoor unit of an air conditioner according to a first embodiment of the present disclosure. [Figure 8] FIG. 1 is a schematic diagram illustrating an example of a flow of wastewater flowing into a drain socket according to the first embodiment of the present disclosure. [Figure 9A] FIG. 1 is a schematic diagram illustrating a function of a drain socket according to a first embodiment of the present disclosure. [Figure 9B] FIG. 1 is a schematic diagram illustrating a function of a drain socket according to a first embodiment of the present disclosure. [Figure 10] Schematic diagram for explaining a drain socket of Modification 1 [Figure 11] Schematic diagram for explaining a drain socket of Modification 2 [Figure 12] Schematic diagram for explaining a drain socket of Modification 3 [Figure 13] Schematic diagram for explaining a drain socket of Modification 3 [Figure 14] Schematic diagram for explaining a drain socket of Modification 4 [Figure 15] FIG. 10 is a schematic perspective view of a drain socket according to a second embodiment of the present disclosure. [Figure 16] FIG. 10 is a schematic front view of a drain socket according to a second embodiment of the present disclosure. [Figure 17] FIG. 10 is a schematic plan view of a drain socket according to a second embodiment of the present disclosure. [Figure 18] FIG. 10 is a schematic enlarged perspective view of a portion of an outdoor unit of an air conditioner according to a second embodiment of the present disclosure. DETAILED DESCRIPTION OF THE INVENTION

[0010] (Background to this disclosure) For example, the socket of the outdoor unit described in Patent Document 1 drains water through a hole, which is the first drainage channel, under normal circumstances, and drains water through a gap, which is the second drainage channel, under abnormal circumstances such as when the hole becomes clogged due to freezing or other reasons.

[0011] The socket described in Patent Document 1 still has room for improvement in terms of suppressing water splashing under normal conditions, especially when the drain socket is made smaller. "Water splashing" refers to the fact that when water falls into the drain socket from the drain outlet of the outdoor unit, the water splashes back inside the drain socket and is drained through the second drainage channel instead of the first drainage channel. Furthermore, by making the drain socket smaller, it becomes possible to install it on multiple outdoor unit models of different sizes, allowing the drain socket to be shared.

[0012] Therefore, the inventor(s) studied the configuration of a drain socket that can suppress water splashing under normal conditions, and improve drainage performance while being compact, and arrived at the present disclosure.

[0013] Hereinafter, an embodiment of the present disclosure will be described with reference to the drawings.

[0014] It should be noted that, in this specification, terms such as "first," "second," etc. are used for descriptive purposes only and should not be understood as expressing or implying the relative importance or ranking of technical features. Features qualified as "first" and "second" expressly or imply the inclusion of one or more of such features.

[0015] (Embodiment 1) [Air conditioner outdoor unit] 1 is a schematic perspective view of an outdoor unit of an air conditioner according to Embodiment 1 of the present disclosure, in which X, Y, and Z indicate the width, depth, and height directions of the outdoor unit 100, respectively.

[0016] The outdoor unit 100 of the air conditioner according to this embodiment comprises a bottom plate 101 provided with a drain outlet 110 and a drain socket 10 attached to the drain outlet 110.

[0017] The drain socket 10 is connected to, for example, a drain hose or a piping member, and drains water drained from the drain outlet 110 into the drain hose or the piping member.

[0018] [Drain socket] The drain socket 10 will be described in detail with reference to FIGS.

[0019] Fig. 2 is a schematic perspective view of the drain socket according to the first embodiment of the present disclosure. Fig. 3 is a schematic front view of the drain socket according to the first embodiment of the present disclosure. Fig. 4 is a schematic plan view of the drain socket according to the first embodiment of the present disclosure. Fig. 5 is a schematic cross-sectional view of the drain socket of Fig. 4 taken along line AA.

[0020] As shown in FIGS. 2 to 5, the drain socket 10 according to this embodiment includes a socket body 20, a socket side wall 30, a plurality of locking portions 40, a first rib 50, and a plurality of second ribs 60.

[0021] The socket body 20 constitutes the main body of the drain socket 10. For example, the socket body 20 has an appearance of an inverted truncated cone. Specifically, the socket body 20 has a so-called funnel shape.

[0022] The socket body 20 has a first through hole 21 and an inclined surface 22 that slopes downward toward the first through hole 21. The socket body 20 also has a cylindrical body 23 that defines the first through hole 21.

[0023] The first through hole 21 is provided in the center of the socket body 20 in a plan view. The first through hole 21 is a hole that penetrates the socket body 20 in the up-down direction (Z direction). The first through hole 21 has a circular shape in a plan view. In this specification, "plan view" means viewed from above.

[0024] The first through hole 21 is not limited to a circular shape in plan view. The first through hole 21 may have any shape other than a circle. For example, the first through hole 21 may have an elliptical, triangular, rectangular, polygonal, or other shape in plan view.

[0025] The first through hole 21 functions as a first drainage channel for draining water that has flowed into the drain socket 10. The first through hole 21 is the main drainage channel that normally drains water from within the drain socket 10. In this specification, "normally" refers to when the drain socket 10 is being used without any clogging or other problems.

[0026] The inclined surface 22 is provided so as to surround the periphery of the first through hole 21 in a plan view. The inclined surface 22 is inclined downward toward the first through hole 21. For example, the inclined surface 22 is formed as a flat surface. In a plan view, the outer edge of the inclined surface 22 has a circular shape that is larger than the diameter of the first through hole 21.

[0027] The inclined surface 22 is not limited to a flat surface, but may be any surface that slopes downward toward the first through-hole 21. For example, the inclined surface 22 may be a curved surface.

[0028] The tubular body 23 is provided at the bottom of the socket body 20. For example, the tubular body 23 has a cylindrical shape. The inner wall of the tubular body 23 defines the first through hole 21. For example, the tubular body 23 can be connected to a drain hose or a piping member.

[0029] The cylindrical body 23 is not limited to a cylindrical shape, but may have any shape that allows connection to a drain hose or a piping member.

[0030] The socket side wall 30 constitutes the outer peripheral side wall of the drain socket 10. The socket side wall 30 extends upward from the outer edge of the socket body 20. In other words, the socket side wall 30 extends upward from the upper end of the socket body 20. For example, the socket side wall 30 has a cylindrical shape.

[0031] The socket side wall 30 is not limited to a cylindrical shape. The socket side wall 30 may have any shape as long as it has a cylindrical shape. For example, the socket side wall 30 may have any external shape, such as an ellipse, a rectangle, or a polygon, in a plan view.

[0032] The socket side wall 30 has a plurality of second through holes 31 penetrating the socket side wall 30 in the thickness direction, and a plurality of first grooves 32 penetrating the socket side wall 30 in the thickness direction and open at the top. The socket side wall 30 also has an upper end 33 that can come into contact with the outdoor unit 100. Note that "viewed from the thickness direction of the socket side wall 30" may also mean viewed from the radial direction of the drain socket 10.

[0033] The second through holes 31 are provided at intervals in the circumferential direction of the socket side wall 30. For example, the second through holes 31 are provided at equal intervals in the circumferential direction of the socket side wall 30.

[0034] For example, the second through holes 31 have a rectangular shape when viewed in the thickness direction of the socket side wall 30. The second through holes 31 also have the same shape when viewed in the thickness direction of the socket side wall 30. In this embodiment, the second through holes 31 have a substantially square shape when viewed in the thickness direction of the socket side wall 30.

[0035] The shape of the multiple second through holes 31 is not limited to a rectangle when viewed in the thickness direction of the socket side wall 30. The multiple second through holes 31 may have any shape other than a rectangle. For example, the multiple second through holes 31 may have any shape such as a circle, an ellipse, a triangle, or a polygon when viewed in the thickness direction of the socket side wall 30. Furthermore, the multiple second through holes 31 may have different shapes when viewed in the thickness direction of the socket side wall 30.

[0036] The second through holes 31 function as second drainage channels for draining water that has flowed into the drain socket 10. For example, the second through holes 31 drain water from the drain socket 10 in an abnormality. The second through holes 31 are secondary drainage channels for draining water from the drain socket 10 in an abnormality. "In an abnormality" refers to a time when water cannot be drained from the first through holes 21, which are the first drainage channels.

[0037] The multiple lower sides that define the multiple second through holes 31 are located at the same height. As a result, the position from which water is drained from the multiple second through holes 31 is the same, making it difficult for water to accumulate inside the drain socket 10. Therefore, when water is drained from the multiple second through holes 31, it is easier to drain it from the multiple second through holes 31. This can reduce the risk of freezing due to water accumulating inside the drain socket 10, for example.

[0038] The multiple first grooves 32 are provided at intervals in the socket side wall 30. The multiple first grooves 32 are open at their upper sides. The "upper side" refers to the upper end 33 side of the socket side wall 30. In other words, the multiple first grooves 32 are grooves that are open at the upper end 33 side of the socket side wall 30. For example, the multiple first grooves 32 have a rectangular shape when viewed in the thickness direction of the socket side wall 30.

[0039] The shape of the multiple first grooves 32 is not limited to a rectangle when viewed in the thickness direction of the socket side wall 30. The multiple first grooves 32 may have any shape other than a rectangle. For example, the multiple first grooves 32 may have any shape such as a semicircle, a semi-ellipse, an inverted triangle, or a polygon when viewed in the thickness direction of the socket side wall 30.

[0040] A device having wiring, such as a heater for preventing freezing, can be placed inside the drain socket 10. For example, the wiring of the device may be placed in at least one of the multiple first grooves 32.

[0041] The multiple first grooves 32 may function as a third drainage channel in the drain socket 10 for draining water that has flowed into the drain socket 10. For example, the multiple first grooves 32 may drain water from within the drain socket 10 when water cannot be drained through the first through-hole 21, which serves as the first drainage channel. The multiple first grooves 32 may also serve as a secondary drainage channel for draining water from within the drain socket 10 in the event of an abnormality.

[0042] When viewed from the thickness direction of the socket side wall 30, the lower sides that define the multiple first grooves 32 are located higher than the lower sides that define the multiple second through holes 31. This makes it easier for water to drain from the multiple second through holes 31 than from the multiple first grooves 32. For example, when heater wiring is arranged in the multiple first grooves 32, it is possible to relatively prevent the wiring from coming into contact with water.

[0043] In this embodiment, two first grooves 32 are provided in the socket side wall 30, and are provided at positions facing each other.

[0044] The upper end 33 of the socket side wall 30 is an end that can come into contact with the bottom plate 101 of the outdoor unit 100. The upper end 33 has a contact surface that can come into contact with the underside of the bottom plate 101. For example, the contact surface is a flat surface.

[0045] A plurality of locking portions 40 are provided on the socket body and are locked to the outdoor unit 100. The plurality of locking portions 40 are locked to the bottom plate 101 of the outdoor unit 100. In this embodiment, two locking portions 40 are provided, facing each other with the first through hole 21 between them.

[0046] The locking portion 40 has a locking wall 41 and a locking protrusion 42 .

[0047] The locking wall 41 is a plate-shaped member that extends from the socket body 20 upward beyond the upper end 33 of the socket side wall 30. When viewed in the thickness direction of the socket side wall 30, the upper part of the locking wall 41 is exposed from the socket side wall 30. When the drain socket 10 is attached to the drain outlet 110 of the outdoor unit 100, the upper part of the locking wall 41 protrudes upward from the drain outlet 110 and is positioned inside the outdoor unit 100.

[0048] The locking wall 41 has a shape corresponding to the shape of the drain outlet 110 of the outdoor unit 100. In this embodiment, the drain outlet 110 has a circular shape in a plan view, and therefore the locking wall 41 has an arc shape in a plan view.

[0049] The locking wall 41 does not have to have a shape corresponding to the shape of the drain outlet 110. That is, the locking wall 41 may have a shape other than an arc shape in a plan view. For example, the locking wall 41 may have a linear shape in a plan view.

[0050] The multiple locking walls 41 are provided on the inclined surface 22 of the socket body 20. In a plan view, the multiple locking walls 41 are provided at equal intervals around the first through hole 21. The multiple locking walls 41 are also provided at positions facing the multiple first grooves 32. In this embodiment, two locking walls 41 face each other with the first through hole 21 between them.

[0051] The locking projection 42 is a projection that protrudes laterally outward from the locking wall 41 above the upper end 33 of the socket side wall 30. The "laterally outward" direction is a direction that intersects with the direction in which the locking wall 41 extends, and is the side of the locking wall 41 opposite the side on which the first through-hole 21 is provided in a plan view. The locking projection 42 is provided on the upper part of the locking wall 41 above the drain outlet 110.

[0052] The locking protrusion 42 has a convex shape. For example, the locking protrusion 42 has a substantially triangular shape. The locking protrusion 42 may have a semicircular shape, a semicircular shape, or a rectangular shape.

[0053] The locking projection 42 can be locked to the bottom plate 101 at the drain outlet 110 of the outdoor unit 100.

[0054] The number of locking portions 40 is not limited to two. The drain socket 10 may include one or more locking portions 40.

[0055] The first rib 50 is provided on the inclined surface 22. The first rib 50 is provided between the multiple locking portions 40 around the first through-hole 21, and is a plate-like member that extends from the socket body 20 upward beyond the upper end 33 of the socket side wall 30. When viewed in the thickness direction of the socket side wall 30, the upper part of the first rib 50 is exposed from the socket side wall 30. When the drain socket 10 is attached to the drain outlet 110 of the outdoor unit 100, the upper part of the first rib 50 protrudes upward from the drain outlet 110 and is positioned inside the outdoor unit 100.

[0056] When viewed from the inside to the outside of the socket body 20, the first rib 50 is located between the plurality of second through holes 31. "When viewed from the inside to the outside of the socket body 20" may also mean when viewed from the radial direction of the drain socket 10. Note that at least a portion of the first rib 50 may be located between the plurality of second through holes 31.

[0057] The first rib 50 has a shape corresponding to the shape of the drain outlet 110 of the outdoor unit 100. In this embodiment, the drain outlet 110 has a circular shape in a plan view, and therefore the first rib 50 has an arc shape in a plan view.

[0058] The first rib 50 does not have to have a shape corresponding to the shape of the drain outlet 110. That is, the first rib 50 may have a shape other than an arc shape in a plan view. For example, the first rib 50 may have a linear shape in a plan view.

[0059] In this embodiment, one first rib 50 is provided between the two locking walls 41 around the first through-hole 21.

[0060] The number of the first rib 50 is not limited to one. For example, the drain socket 10 may include a plurality of the first ribs 50.

[0061] The second ribs 60 are plate-like members extending between the second through holes 31 from the socket side wall 30 toward the first through holes 21. The upper ends of the second ribs 60 are located lower than the upper end 33 of the socket side wall 30.

[0062] At least one of the plurality of second ribs 60 is connected to the first rib 50 .

[0063] The second ribs 60 have a linear shape in a plan view. However, the second ribs 60 may have any shape other than a linear shape in a plan view.

[0064] [About drainage of outdoor unit] An example of drainage of the outdoor unit 100 equipped with the drain socket 10 will be described with reference to FIGS.

[0065] Fig. 6 is a schematic perspective view of the bottom plate of the outdoor unit of the air conditioner according to the first embodiment of the present disclosure. Fig. 7 is a schematic enlarged perspective view of a portion of the drain outlet of the bottom plate of the outdoor unit of the air conditioner according to the first embodiment of the present disclosure. Fig. 8 is a schematic diagram for explaining an example of the flow of drainage water flowing into the drain socket according to the first embodiment of the present disclosure. Fig. 8 shows the drain socket 10 attached to the drain outlet 110 in a plan view.

[0066] As shown in Figure 6, the bottom plate 101 of the outdoor unit 100 has a plurality of flow paths 102, 103, and 104 that guide water that has flowed into the outdoor unit 100 to the drain outlet 110. The plurality of flow paths 102, 103, and 104 are inclined downward toward the drain outlet 110. The drain outlet 110 is provided at the lowest position on the upper surface of the bottom plate 101.

[0067] Therefore, water that flows into the outdoor unit 100 flows through the multiple flow paths 102, 103, and 104 in the bottom plate 101 and into the drain outlet 110. A drain socket 10 is attached to the drain outlet 110. Therefore, the water that flows into the drain outlet 110 passes through the drain socket 10 and is discharged to the outside of the outdoor unit 100.

[0068] As shown in Figure 7, the multiple locking portions 40 and first rib 50 of the drain socket 10 protrude above the position where the drain outlet 110 is provided. That is, the upper parts of the multiple locking walls 41 and the upper part of the first rib 50 are located at a position higher than the drain outlet 110. In addition, the multiple locking protrusions 42 provided on the upper parts of the multiple locking walls 41 are locked to the bottom plate 101. In this way, the drain socket 10 is attached to the drain outlet 110 of the outdoor unit 100.

[0069] The plurality of retaining walls 41 are arranged so as to extend in a direction intersecting the flow direction of the water guided to the plurality of flow paths 102, 103. The plurality of retaining walls 41 and the first rib 50 are also arranged along the outer periphery that defines the drain outlet 110.

[0070] 8, the multiple retaining walls 41 are arranged to extend in a direction that intersects with the directions FL1 and FL2 in which water flows from the multiple flow paths 102 and 103 to the drain outlet 110. Therefore, the water flowing from the multiple flow paths 102 and 103 to the drain outlet 110 collides with the multiple retaining walls 41. This can weaken the force of the water flow.

[0071] Furthermore, like the plurality of locking walls 41, the first rib 50 can also weaken the force of water flowing into the drain outlet 110.

[0072] Water that hits the multiple locking walls 41 and the first rib 50 flows along the surfaces of the multiple locking walls 41 and flows into the drain socket 10 from between the multiple locking walls 41 and between the multiple locking walls 41 and the first rib 50. This makes it possible to regulate the direction of water flowing from the drain outlet 110 into the drain socket 10.

[0073] [About draining the drain socket] An example of drainage of the drain socket 10 will be described with reference to FIGS. 9A and 9B.

[0074] 9A and 9B are schematic diagrams illustrating the function of the drain socket according to the first embodiment of the present disclosure. Fig. 9A shows an example of drainage from drain socket 10 under normal circumstances, and Fig. 9B shows an example of drainage from drain socket 10 under abnormal circumstances where clogging has occurred due to freezing or the like.

[0075] 9A, under normal circumstances, water that flows into the drain socket 10 from the drain outlet 110 is drained into the drain hose or piping member through the first through-hole 21. The force of the water flowing into the drain socket 10 is weakened by the multiple locking walls 41 and the first ribs 50, and the direction of the water flowing from the drain outlet 110 into the drain socket 10 is defined, thereby preventing water from splashing. For this reason, water that flows into the drain socket 10 tends to fall down the first through-hole 21.

[0076] Furthermore, when water splashes inside the drain socket 10, the splashed water is blocked by the socket side wall 30 and flows down the inclined surface 22 to be guided to the first through hole 21.

[0077] In this way, drain socket 10 is configured so that water that normally flows into drain socket 10 from drain outlet 110 is easily drained from first through hole 21. This prevents water from being drained from the multiple second through holes 31 under normal circumstances, making it easier to drain water from first through hole 21, which is the first drainage channel.

[0078] 9B , in an abnormal situation where the first through-hole 21 is clogged with ice 90 due to freezing, water that has flowed into the drain socket 10 from the drain outlet 110 passes through the second through-holes 31, which serve as second drainage channels, and is drained to the outside of the drain socket 10. In addition, water that has flowed into the drain socket 10 may be drained to the outside of the drain socket 10 through the first grooves 32, which serve as third drainage channels.

[0079] 9B illustrates an example in which the first through-holes 21 are blocked by frozen ice 90, but the present invention is not limited to this. For example, water may be drained from the plurality of second through-holes 31 even when the first through-holes 21 are blocked by foreign matter such as fallen leaves or trash.

[0080] [effect] The drain socket 10 of this embodiment is attached to a drain outlet 110 of an outdoor unit 100 of an air conditioner. The drain socket 10 comprises a socket body 20, a socket side wall 30, and a plurality of locking portions 40. The socket body 20 has a first through hole 21 and an inclined surface 22 that is provided around the first through hole 21 and slopes downward toward the first through hole 21. The socket side wall 30 extends upward from the outer edge of the socket body 20. The plurality of locking portions 40 are provided on the socket body 20 and lock onto the outdoor unit 100. The socket side wall 30 has a plurality of second through holes 31 that penetrate the socket side wall 30 in the thickness direction.

[0081] This configuration improves the drainage performance of the drain socket 10. For example, even if water flowing into the drain socket 10 from the drain outlet 110 under normal conditions splashes inside the drain socket 10, the splashed water can be blocked by the socket sidewalls 30 and directed toward the first through-holes 21. This suppresses water splashing under normal conditions, improving the drainage performance of water from the first through-holes 21, which serve as the first drainage channel. Furthermore, because the socket sidewalls 30 can suppress water splashing, the size of the drain socket 10 can be reduced. This allows the drain socket 10 to be attached to the bottom plate of a small-sized outdoor unit, allowing the same drain socket to be attached to multiple outdoor unit models, allowing the drain socket to be shared. Furthermore, the socket sidewalls 30 prevent foreign objects, such as fallen leaves or debris, from entering the drain socket 10 from the sides. This prevents the entry of foreign objects from impairing drainage performance. On the other hand, in an abnormal situation where the first through-hole 21 is blocked, water can be drained through the plurality of second through-holes 31 which serve as second drainage channels.

[0082] The socket side wall 30 has an upper end 33 that can come into contact with the outdoor unit 100. With this configuration, when the drain socket 10 is attached to the drain outlet 110 of the outdoor unit 100, the upper end 33 comes into contact with the outdoor unit 100. This prevents the drain socket 10 from being attached at an angle to the outdoor unit 100, and prevents water splashing. As a result, the drainage performance can be improved while the size can be reduced.

[0083] The multiple locking portions 40 have multiple locking walls 41 and multiple locking protrusions 42. The multiple locking walls 41 extend from the socket body 20 upward beyond the upper end 33 of the socket sidewall 30. The multiple locking protrusions 42 protrude laterally outward from the locking walls 41 above the upper end 33 of the socket sidewall 30. With this configuration, when the drain socket 10 is attached to the drain outlet 110 of the outdoor unit 100, the multiple locking protrusions 42 lock onto the outdoor unit 100 with their upper portions protruding above the drain outlet 110. This causes water flowing toward the drain outlet 110 to collide with the multiple locking walls 41, weakening the force of the water. Furthermore, the direction of water flowing from the drain outlet 110 into the drain socket 10 can be regulated. As a result, water splashing is suppressed under normal conditions, and water is more easily drained through the first through-hole 21, improving drainage performance while reducing the size of the drain socket 10.

[0084] The multiple locking portions 40 are provided at equal intervals around the first through-hole 21. With this configuration, the multiple locking portions 40 tend to weaken the force of water flowing toward the drain outlet 110. This makes it easier to suppress water splashing under normal conditions, and makes it easier to drain water from the first through-hole 21. As a result, it is possible to improve drainage performance while reducing the size.

[0085] The drain socket 10 includes a first rib 50 that is provided between the multiple locking portions 40 and extends from the socket body 20 upward beyond the upper end 33 of the socket side wall 30. With this configuration, the first rib 50 can weaken the force of water flowing toward the drain outlet 110. It can also regulate the direction of water flowing from the drain outlet 110 into the drain socket 10. As a result, water splashing is suppressed under normal conditions, making it easier to drain water from the first through hole 21, and improving drainage performance while reducing the size.

[0086] When viewed from the inside to the outside of the socket body 20, the first rib 50 is located between the plurality of second through holes 31. With this configuration, it is possible to prevent water flowing along the first rib 50 from being drained through the surface of the outdoor unit 100 into the plurality of second through holes 31. For example, even if water flowing along the first rib 50 flows along the bottom surface of the outdoor unit 100 and heads toward the outside of the drain socket 10, it can be blocked by a portion of the socket side wall 30 where the plurality of second through holes 31 are not provided.

[0087] The drain socket 10 has a plurality of second ribs 60 extending from the socket side wall 30 toward the first through holes 21 between the plurality of second through holes 31. With this configuration, water that splashes inside the drain socket 10 under normal conditions is flocked by the plurality of second ribs 60, thereby preventing water splashing. This makes it easier for water to drain from the first through holes 21, allowing for improved drainage while still achieving a compact design.

[0088] The socket side wall 30 has a plurality of first grooves 32 that penetrate the socket side wall 30 in the thickness direction. With this configuration, the plurality of first grooves 32 can be used as third drainage channels. Furthermore, when a device with wiring, such as a heater, is placed inside the drain socket 10, the first grooves 32 can be used as a path for pulling out the wiring.

[0089] The plurality of second through holes 31 have a rectangular shape when viewed in the thickness direction of the socket side wall 30. With this configuration, water can be easily drained from the plurality of second through holes 31, which serve as second drainage channels, in the event of an abnormality. This allows for improved drainage performance while reducing the size.

[0090] In the present embodiment, an example has been described in which the drain socket 10 includes the first rib 50 and the second rib 60, but the present invention is not limited to this. For example, the drain socket 10 does not have to include the first rib 50 and / or the second rib 60.

[0091] In the present embodiment, an example has been described in which the socket side wall 30 has a plurality of first grooves 32, but the present invention is not limited to this. For example, the socket side wall 30 does not have to have the first grooves 32.

[0092] In the present embodiment, an example has been described in which the multiple locking walls 41 and the first rib 50 are arranged along the outer periphery that defines the drain outlet 110, but this is not limiting. For example, the multiple locking walls 41 and / or the first rib 50 do not have to be arranged along the outer periphery that defines the drain outlet 110. Gaps may be provided between the multiple locking walls 41 and the outer periphery and / or between the first rib 50 and the outer periphery. Even with this configuration, the force of water flowing toward the drain outlet 110 can be weakened.

[0093] In the present embodiment, an example has been described in which the lower edges defining the plurality of first grooves 32 are positioned higher than the lower edges defining the plurality of second through holes 31 when viewed in the thickness direction of the socket side wall 30, but this is not limiting. For example, when viewed in the thickness direction of the socket side wall 30, the lower edges defining the plurality of first grooves 32 and the lower edges defining the plurality of second through holes 31 may be at the same height. With this configuration, in the event of an abnormality in which the first through hole 21 is blocked, water in the drain socket 10 can be easily drained through the plurality of second through holes 31 and the plurality of first grooves 32. This makes it less likely for water to accumulate in the drain socket 10, improving drainage. Furthermore, freezing inside the drain socket 10 can be suppressed.

[0094] [Variation 1] Fig. 10 is a schematic diagram for explaining a drain socket of Modification 1. Fig. 10 shows a drain socket 10A attached to a drain outlet 110 in a plan view.

[0095] As shown in FIG. 10, the drain socket 10A in the first modification differs from the drain socket 10 in the first embodiment in that it includes a plurality of first ribs 50.

[0096] The drain socket 10A includes two first ribs 50. The two first ribs 50 are respectively disposed between the two locking portions 40 around the first through-hole 21. The two first ribs 50 are also provided at positions facing each other.

[0097] With this configuration, the multiple locking portions 40 and multiple first ribs 50 can weaken the force of water flowing toward the drain outlet 110. In addition, the multiple locking portions 40 and multiple first ribs 50 can further restrict the direction of water flowing from the drain outlet 110 into the drain socket 10A. This can suppress water splashing under normal conditions and improve drainage performance.

[0098] In the first modification, the number of first ribs 50 is not limited to two. For example, the drain socket 10A may include a plurality of first ribs 50. Furthermore, the plurality of first ribs 50 do not have to be provided in opposing positions.

[0099] [Variation 2] Fig. 11 is a schematic diagram for explaining a drain socket of Modification 2. Fig. 11 shows a drain socket 10B attached to a drain outlet 110 in a plan view.

[0100] As shown in FIG. 11, the drain socket 10B in the second modification differs from the drain socket 10 in the first embodiment in that it does not include the first rib 50.

[0101] The drain socket 10B has three locking portions 40. In a plan view, the three locking portions 40 are provided at equal intervals around the periphery of the first through hole 21. For example, the locking portions 40 are provided at angular intervals of 120° around the center of the first through hole 21 in a plan view.

[0102] Even with this configuration, it is possible to weaken the force of water flowing toward the drain outlet 110. In addition, the multiple locking portions 40 can further restrict the direction of water flowing from the drain outlet 110 into the drain socket 10B. This can suppress water splashing under normal conditions and improve drainage performance.

[0103] In the second modification, the number of the locking portions 40 is not limited to three. For example, the drain socket 10B may include one or more locking portions 40.

[0104] [Variation 3] 12 and 13 are schematic diagrams illustrating a drain socket of Modification 3. Fig. 12 shows a schematic front view of the drain socket 10C. Fig. 12 also shows a schematic perspective view of the drain socket 10C attached to a drain outlet 110, as viewed from above.

[0105] As shown in FIGS. 12 and 13, the drain socket 10C of the third modification differs from the drain socket 10 of the first embodiment in that it does not include the first rib 50 but includes a cylindrical locking portion 40A.

[0106] The drain socket 10C includes one cylindrical locking portion 40A. The locking portion 40A includes a cylindrical locking wall 41A that surrounds the periphery of the first through hole 21 in a plan view.

[0107] The engaging wall 41A has a cylindrical shape. The outer peripheral side surface of the engaging wall 41A is in contact with the outer periphery that defines the drain port 110.

[0108] The outer diameter of the locking wall 41A in the portion above the upper end 33 of the socket side wall 30 decreases upward. That is, when viewed in the thickness direction of the socket side wall 30, the outer diameter of the portion of the locking wall 41A exposed upward from the socket side wall 30 decreases upward.

[0109] The locking wall 41A has two locking projections 42 that protrude laterally outward above the upper end 33 of the socket side wall 30. The two locking projections 42 are provided at positions facing each other.

[0110] The locking wall 41A has a plurality of third through holes 43 penetrating the locking wall 41A in the thickness direction above the upper end 33 of the socket side wall 30. The third through holes 43 are provided at equal intervals along the circumferential direction of the locking wall 41A. For example, the third through holes 43 are slits whose longitudinal direction is in the up-down direction. The third through holes 43 function as a flow path for water to flow from the drain outlet 110 into the drain socket 10C.

[0111] Even with this configuration, it is possible to weaken the force of water flowing toward the drain outlet 110. This makes it possible to suppress water splashing under normal circumstances and improve drainage performance.

[0112] In the third modification, the number of locking projections 42 is not limited to two. For example, the locking portion 40A may have one or more locking projections 42.

[0113] In Modification 3, the plurality of third through holes 43 is not limited to slits. For example, the plurality of third through holes 43 may have any shape, such as a circle, an ellipse, or a rectangle. Furthermore, the plurality of third through holes 43 do not have to be arranged at equal intervals.

[0114] [Variation 4] Fig. 14 is a schematic diagram for explaining a drain socket of Modification 4. Fig. 14 shows a schematic front view of a drain socket 10D.

[0115] As shown in FIG. 14, the shape and spacing of the second through holes 31 of a drain socket 10D of the fourth modification differs from those of the drain socket 10 of the first embodiment.

[0116] Each of the multiple second through holes 31 in the drain socket 10D has a longitudinal direction and a lateral direction when viewed in the thickness direction of the socket side wall 30. The longitudinal direction is the up-and-down direction of the drain socket 10D, and the lateral direction is the circumferential direction of the socket side wall 30.

[0117] The intervals between the plurality of second through holes 31 are shorter than the dimension of the second through holes 31 in the short direction.

[0118] This configuration can prevent foreign matter such as fallen leaves or trash from entering from outside the drain socket 10D through the second through holes 31. This can prevent the drainage performance from deteriorating.

[0119] (Embodiment 2) A drain socket according to a second embodiment of the present disclosure will be described.

[0120] In the second embodiment, differences from the first embodiment will be mainly described. In the second embodiment, the same or equivalent configurations as those in the first embodiment will be denoted by the same reference numerals. Also, in the second embodiment, descriptions that overlap with those in the first embodiment will be omitted.

[0121] Figure 15 is a schematic perspective view of a drain socket according to a second embodiment of the present disclosure, Figure 16 is a schematic front view of a drain socket according to the second embodiment of the present disclosure, and Figure 17 is a schematic plan view of a drain socket according to the second embodiment of the present disclosure.

[0122] The second embodiment differs from the first embodiment in that the socket side wall 30A has a flat wall 35, and the flat wall 35 is provided with a plurality of second grooves 36.

[0123] As shown in FIGS. 15 to 17, the socket side wall 30A of the drain socket 10E includes a curved wall 34 and a flat wall 35.

[0124] The curved wall 34 is a wall that is curved in a circular shape in a plan view. For example, the curved wall 34 has an arc shape in a plan view.

[0125] The curved wall 34 is provided with a plurality of second through holes 31 and a plurality of first grooves 32.

[0126] The flat wall 35 is a wall having a flat surface and has a linear shape in a plan view.

[0127] In this embodiment, the socket side wall 30A has a D-shape in plan view.

[0128] The flat wall 35 has a plurality of second grooves 36 that penetrate the flat wall 35 in the thickness direction. The second grooves 36 are open at the top. The second grooves 36 have a rectangular shape when viewed from the thickness direction of the flat wall 35. The second grooves 36 are provided at intervals from one another.

[0129] The width dimension W2 of the second grooves 36 in the circumferential direction of the socket side wall 30 is smaller than the width dimension W1 of the second through holes 31 in the circumferential direction of the socket side wall. For example, the width dimension W2 of the second grooves 36 is 0.3 to 0.8 times the width dimension W1 of the second through holes 31. Preferably, the width dimension W2 of the second grooves 36 is 0.4 to 0.7 times the width dimension W1 of the second through holes 31.

[0130] The multiple lower surfaces 36a of the inner wall that define the multiple second grooves 36 are located at the same height H1 as the multiple lower surfaces 31a of the inner wall that define the multiple second through holes 31. In other words, when viewed from the thickness direction of the socket side wall 30, the multiple lower sides that define the multiple second grooves 36 are located at the same height H1 as the multiple lower sides that define the multiple second through holes 31.

[0131] In this embodiment, the flat wall 35 has two second grooves 36. The number of second grooves 36 is not limited to two. For example, the flat wall 35 may have one or more second grooves 36.

[0132] In a plan view, the first rib 50 is provided between the flat wall 35 and the first through-hole 21. In addition, the first rib 50 is provided between the two second grooves 36 when viewed in the thickness direction of the flat wall 35.

[0133] In this embodiment, the drain socket 10E includes one first rib 50. The number of first ribs 50 is not limited to one. For example, the drain socket 10E may include one or more first ribs 50.

[0134] FIG. 18 is a schematic enlarged perspective view of a portion of the outdoor unit of the air conditioner according to the second embodiment of the present disclosure.

[0135] 18, when the drain socket 10E is attached to the bottom plate 101 of the outdoor unit 100, the flat wall 35 faces the back surface 105 of the outdoor unit 100. This allows the drain socket 10E to be attached to the outdoor unit 100 so that it does not protrude from the bottom plate 101 toward the back surface 105.

[0136] [effect] In the drain socket 10E of this embodiment, the socket side wall 30A has a flat wall 35. The flat wall 35 has one or more second grooves 36 that penetrate the flat wall 35 in the thickness direction and are open at the top. With this configuration, the drain socket 10E can be attached to the outdoor unit 100 so that it does not protrude from the bottom plate 101 of the outdoor unit 100. This prevents foreign matter such as dust and fallen leaves from entering the drain socket 10E due to the drain socket 10E protruding from the bottom plate 101.

[0137] The lower surfaces 36a of the inner wall that define the second grooves 36 are located at the same height HL1 as the lower surfaces 31a of the inner wall that define the second through holes 31. This configuration makes it easier to drain water from inside the drain socket 10E through the second through holes 31 and the second grooves 36 in the event of an abnormality such as when the first through hole 21 is blocked. This makes it less likely for water to accumulate inside the drain socket 10E, improving drainage. It also makes it possible to prevent freezing inside the drain socket 10E.

[0138] A width dimension W2 of the second grooves 36 in the circumferential direction of the socket side wall 30A is smaller than a width dimension W1 of the second through holes 31 in the circumferential direction of the socket side wall 30A. If water splashes near the flat wall 35 inside the drain socket 10E, the flat wall 35 tends to prevent the water from being drained outside the drain socket 10E. For example, this is more effective when the flat wall 35 is positioned closer to the first through hole 21 than the curved wall 34.

[0139] In plan view, the first rib 50 is provided between the flat wall 35 and the first through-hole 21. With this configuration, it is possible to prevent water flowing from the first rib 50 along the bottom plate 101 of the outdoor unit 100 from being drained through the multiple second grooves 36. This makes it possible to prevent water from splashing and improve drainage performance.

[0140] In the present embodiment, the socket side wall 30A has a D-shape in plan view, but is not limited thereto. For example, the socket side wall 30A may have any shape as long as it has a flat wall 35 that has a linear shape in plan view.

[0141] Although the present invention has been described above using the above-mentioned embodiments, the present disclosure is not limited to the above-mentioned embodiments, and the technology in the present disclosure is also applicable to embodiments in which modifications, substitutions, additions, omissions, etc. are made as appropriate.

[0142] Although the present disclosure has been fully described in connection with the preferred embodiments with reference to the accompanying drawings, various changes and modifications will be apparent to those skilled in the art, and such changes and modifications are to be understood as being included within the scope of the present disclosure as defined by the appended claims unless they depart therefrom.

[0143] (Addendum) The above description of the embodiments discloses the following techniques.

[0144] (Technology 1) A drain socket attached to the drain outlet of an outdoor unit of an air conditioner, comprising: a socket body having a first through hole and an inclined surface provided around the first through hole and sloping downward toward the first through hole; a socket side wall extending upward from the outer edge of the socket body; and one or more locking portions provided on the socket body and locking to the outdoor unit, the socket side wall having a plurality of second through holes penetrating in the thickness direction of the socket side wall.

[0145] This configuration allows for improved drainage while still achieving compactness. For example, the drain socket of the present disclosure can suppress water splashing, making it easier to drain water through the first through-hole. On the other hand, if the first through-hole becomes clogged, water can be drained through the multiple second through-holes.

[0146] (Technology 2) The drain socket according to Technology 1, wherein the socket side wall has an upper end that can come into contact with the outdoor unit.

[0147] This configuration improves drainage while miniaturizing the unit. For example, the drain socket of the present disclosure can be prevented from being installed at an angle to the outdoor unit, thereby preventing water from splashing.

[0148] (Technology 3) The drain socket described in Technology 2, wherein the one or more locking portions have one or more locking walls extending from the socket body upward above the upper end of the socket side wall, and one or more locking protrusions protruding laterally outward from the one or more locking walls above the upper end of the socket side wall.

[0149] This configuration allows for improved drainage while still achieving compactness. For example, the force of water flowing into the drain socket can be weakened by one or more retaining walls, thereby preventing water from splashing.

[0150] (Technology 4) The drain socket according to any one of Technologies 1 to 3, wherein the plurality of locking portions are provided at equal intervals around the periphery of the first through hole.

[0151] This configuration allows for improved drainage while still achieving compactness.

[0152] (Technology 5) The drain socket according to Technology 2 or 3, further comprising one or more first ribs provided between the plurality of engaging portions and extending from the socket body upward beyond the upper end of the socket side wall.

[0153] This configuration allows for improved drainage while still achieving compactness. For example, the one or more first ribs can weaken the force of water flowing into the drain socket, thereby preventing water from splashing.

[0154] (Technology 6) A drain socket according to Technology 5, wherein when viewed from the inside to the outside of the socket body, the one or more first ribs are located between the plurality of second through holes.

[0155] This configuration allows for improved drainage while still achieving compactness. For example, water flowing along the outdoor unit from one or more ribs can be blocked by the socket side wall, preventing it from being drained through the multiple second through-holes.

[0156] (Technology 7) The drain socket according to any one of Technologies 1 to 6, further comprising a plurality of second ribs extending from the socket side wall toward the first through holes between the plurality of second through holes.

[0157] This configuration allows for improved drainage while still achieving a compact design. For example, the multiple second ribs can prevent water from splashing.

[0158] (Technology 8) The drain socket according to any one of Technologies 1 to 7, wherein the socket side wall has one or more first grooves penetrating the socket side wall in the thickness direction.

[0159] This configuration allows wiring for a device such as a heater to be placed in one or more of the first grooves, and when the device is not in use, the one or more first grooves can be used as a drainage channel.

[0160] (Technology 9) A drain socket according to Technology 8, wherein, when viewed from the thickness direction of the socket side wall, a lower edge defining the one or more first grooves and a lower edge defining the plurality of second through holes are at the same height.

[0161] This configuration allows for improved drainage while still achieving a compact design. For example, water can be more easily drained through the second through-holes and the one or more first grooves, making it less likely for water to accumulate in the drain socket.

[0162] (Technology 10) A drain socket described in Technology 3, wherein the locking wall has a cylindrical shape surrounding the first through hole, and the locking wall has a plurality of third through holes penetrating the locking wall in the thickness direction above the upper end of the socket side wall.

[0163] This configuration allows for improved drainage while still achieving compactness. For example, the force of water flowing into the drain socket can be weakened by the retaining wall, allowing the water to flow into the drain socket through the multiple third through-holes. This reduces water splashing.

[0164] (Technology 11) A drain socket according to any one of technologies 1 to 10, wherein the socket side wall has a flat wall, and the flat wall has one or more second grooves that penetrate the flat wall in the thickness direction and are open at the top.

[0165] This configuration improves drainage while reducing the size of the unit. For example, the drain socket can be attached to the outdoor unit so that it does not protrude from the unit. This prevents foreign objects such as dust and fallen leaves from entering the drain socket due to the drain socket protruding.

[0166] (Technology 12) A drain socket described in Technology 11, wherein one or more lower surfaces of the inner wall defining the one or more second grooves are located at the same height as the multiple lower surfaces of the inner wall defining the multiple second through holes.

[0167] This configuration allows for improved drainage while still achieving a compact design. For example, water can be more easily drained through the second through holes and the one or more second grooves, making it less likely for water to accumulate in the drain socket.

[0168] (Technology 13) A drain socket according to Technology 11 or 12, wherein the width dimension of the one or more second grooves in the circumferential direction of the socket side wall is smaller than the width dimension of the multiple second through holes in the circumferential direction of the socket side wall.

[0169] This configuration improves drainage while reducing the size of the device. For example, the flat wall 35 makes it easier to prevent water splashing inside the drain socket from being drained to the outside.

[0170] (Technology 14) A drain socket described in any one of technologies 11 to 13, wherein the socket side wall has an upper end that can come into contact with the outdoor unit, the drain socket further comprises one or more first ribs that are provided between the plurality of engaging portions and extend from the socket body upwardly beyond the upper end of the socket side wall, and in a planar view, the one or more first ribs are provided between the flat wall and the first through hole.

[0171] This configuration improves drainage while miniaturizing the outdoor unit. For example, it is possible to prevent water flowing along the outdoor unit from one or more first ribs from being drained through one or more second grooves. This reduces water splashing and improves drainage.

[0172] (Technology 15) The drain socket according to any one of Technologies 1 to 14, wherein the plurality of second through holes have a rectangular shape when viewed in the thickness direction of the socket side wall.

[0173] This configuration allows for improved drainage while still reducing the size of the device.

[0174] (Technology 16) A drain socket described in Technology 15, wherein each of the plurality of second through holes has a longitudinal direction and a lateral direction when viewed from the thickness direction of the socket side wall, the longitudinal direction being the vertical direction of the drain socket, and the lateral direction being the circumferential direction of the socket side wall.

[0175] This configuration improves drainage while preventing foreign matter from flowing from the outside to the inside of the drain socket.

[0176] (Technology 17) An outdoor unit for an air conditioner, comprising: a bottom plate provided with a drain outlet; and the drain socket according to any one of Technologies 1 to 16 attached to the drain outlet.

[0177] This configuration allows for improved drainage while still reducing the size of the device. [Industrial Applicability]

[0178] The drain socket of the present disclosure is applicable to the outdoor unit of an air conditioner. [Explanation of symbols]

[0179] 10, 10A, 10B, 10C, 10D, 10E Drain socket 20 Socket body 21 First through hole 22 Slope 23 Cylindrical body 30 Socket sidewall 31 Second through hole 31a Bottom surface 32 First groove 33 Top 34 Curved Wall 35 Flat Wall 36 Second groove 35a Bottom side 40, 40A Locking part 41,41A Locking wall 42 Locking protrusion 43 Third Through Hole 50 First Rib 60 Second Rib 90 Ice 100 Outdoor unit 101 Bottom plate 102 First Channel 103 Second Channel 104 Third Channel 105 Back 110 Drain

Claims

1. A drain socket that is attached to the drain outlet of an outdoor unit of an air conditioner, a socket body having a first through hole and an inclined surface provided around the first through hole and inclined downward toward the first through hole; a socket sidewall extending upward from an outer edge of the socket body; one or more locking portions provided on the socket body and configured to lock onto the outdoor unit; Equipped with the socket side wall has a plurality of second through holes penetrating the socket side wall in a thickness direction thereof; Drain socket.

2. The socket side wall has an upper end that can come into contact with the outdoor unit. The drain socket according to claim 1 .

3. The one or more locking portions are one or more locking walls extending from the socket body upward beyond the upper end of the socket side wall; one or more locking projections projecting laterally outward from the one or more locking walls above the upper ends of the socket side walls; having The drain socket according to claim 2 .

4. The plurality of locking portions are provided at equal intervals around the first through hole. The drain socket according to claim 3.

5. one or more first ribs are provided between the plurality of locking portions and extend from the socket body upward beyond the upper end of the socket side wall; The drain socket according to claim 2 .

6. When viewed from the inside to the outside of the socket body, the one or more first ribs are located between the one or more first ribs and the plurality of second through holes. The drain socket according to claim 5.

7. a plurality of second ribs extending from the socket side wall toward the first through hole between the plurality of second through holes; The drain socket according to claim 1 .

8. The socket side wall has one or more first grooves penetrating the socket side wall in a thickness direction. The drain socket according to claim 1 .

9. When viewed from the thickness direction of the socket side wall, a lower side defining the one or more first grooves and a lower side defining the plurality of second through holes are at the same height. The drain socket of claim 8.

10. the locking wall has a cylindrical shape surrounding the first through hole, the locking wall has a plurality of third through holes penetrating the locking wall in a thickness direction above the upper end of the socket side wall; The drain socket according to claim 3.

11. The socket sidewall has a flat wall, The flat wall has one or more second grooves that penetrate the flat wall in a thickness direction and are open at the top. The drain socket according to claim 1 .

12. one or more lower surfaces of the inner walls defining the one or more second grooves are located at the same height as multiple lower surfaces of the inner walls defining the multiple second through holes; The drain socket of claim 11.

13. a width dimension of the one or more second grooves in the circumferential direction of the socket side wall is smaller than a width dimension of the plurality of second through holes in the circumferential direction of the socket side wall; The drain socket of claim 11.

14. the socket side wall has an upper end that can come into contact with the outdoor unit, the drain socket further includes one or more first ribs provided between the plurality of engaging portions and extending from the socket body upward beyond the upper end of the socket side wall; In a plan view, the one or more first ribs are provided between the flat wall and the first through hole. The drain socket of claim 11.

15. The plurality of second through holes have a rectangular shape when viewed in a thickness direction of the socket side wall. The drain socket according to claim 1 .

16. Each of the plurality of second through holes has a longitudinal direction and a lateral direction when viewed in a thickness direction of the socket side wall, The longitudinal direction is the vertical direction of the drain socket, The short-side direction is the circumferential direction of the socket side wall.

16. The drain socket of claim 15.

17. A bottom plate provided with a drainage hole; The drain socket according to any one of claims 1 to 16, which is attached to the drain outlet; An outdoor unit of an air conditioner comprising:

Images