CN214450139U - Air conditioner drainage shell and car - Google Patents

Abstract

The utility model is suitable for a vehicle technical field provides an air conditioner drainage casing and car. The air conditioner drainage shell is provided with a front windward area and a drainage area provided with a drainage outlet; the front windward area is provided with a windward surface, a first connecting surface and a first buffering surface, the first buffering surface is lower than the windward surface, and the rear end of the first buffering surface is connected with the drainage area; the rear end of the windward side is convexly provided with a first buffer structure for blocking or buffering fluid to flow towards the rear side, and the first buffer structure is provided with at least one first notch for condensed water to flow from the windward side to the first connecting surface or the first buffer surface; the rear end of the first buffering surface is convexly provided with a second buffering structure used for blocking or buffering fluid to flow towards the rear side, and the second buffering structure is provided with at least one second opening for allowing condensed water to flow from the first buffering surface to the water discharging area. The utility model provides an air conditioner drainage casing reduces the impact that the condensate water fell, also reduces the noise that the air conditioner condensate water flowed down.

Description

Air conditioner drainage shell and car

Technical Field

The utility model belongs to the technical field of the vehicle, more specifically say, relate to an air conditioner drainage casing and car.

Background

The automobile air conditioning system is a system for providing functions of refrigeration, heating, defrosting, demisting and the like for customers, when an existing air conditioning box is used for refrigeration, if the humidity in the air is too high, the moisture in the air meets condensation after passing through an evaporation core inside the air conditioning box, liquid condensate water is formed on the surface of an evaporator, the evaporation core can discharge the condensed water through a drainage shell of the lower air conditioning box, and if drainage is not timely, the problems of mildewing, bacteria breeding and the like are easily caused.

In addition, because a certain drop exists between the windward side and the water outlet, the existing water discharging shell can generate running water ticking sound due to the drop when the humidity is high, so that more and more air conditioning technologies are continuously optimized and improved in the direction of high water discharging speed of an air conditioning box and no running water sound at present.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an air conditioner drainage casing aims at solving or improves to a certain extent at least that there is the great technical problem of running water noise in current vehicle air conditioner drainage casing.

In order to achieve the purpose, the technical scheme adopted by the utility model is to provide an air conditioner drainage shell, which is provided with a front windward area and a drainage area, wherein the front windward area and the drainage area are sequentially arranged from front to back along the wind direction;

the front windward area is sequentially provided with a windward surface, a first connecting surface and a first buffering surface from front to back, the first buffering surface is lower than the windward surface, the front end of the first buffering surface is connected with the rear end of the windward surface through the first connecting surface, and the rear end of the first buffering surface is connected with the drainage area; the rear end of the windward side is convexly provided with a first buffer structure for blocking or buffering fluid to flow towards the rear side, and the first buffer structure is provided with at least one first opening for condensed water to flow from the windward side to the first connecting surface or the first buffer surface; the rear end of the first buffering surface is convexly provided with a second buffering structure used for blocking or buffering fluid to flow towards the rear side, and the second buffering structure is provided with at least one second opening for allowing condensed water to flow from the first buffering surface to the water drainage area.

Furthermore, a first drainage concave channel communicated with the first opening is arranged on the first connecting surface, and a second drainage concave channel communicated with the first drainage concave channel and the second opening is arranged on the first buffering surface.

Furthermore, a support rib structure for supporting the heat exchanger is convexly arranged on the drainage area.

Furthermore, the drainage area is also convexly provided with a limiting rib for preventing the heat exchanger from moving backwards.

Furthermore, the limiting ribs are multiple and are arranged at intervals in the left-right direction.

Furthermore, the drainage area is also convexly provided with a first anti-convection rib plate which is arranged in an extending mode along the left-right direction so as to prevent the flowing water on the front side and the rear side from generating convection.

Furthermore, the drainage area structure is provided with a drainage area first buffer surface connected with the rear end of the first buffer surface, a drainage area second buffer surface connected with the left side of the drainage area first buffer surface, a drainage area third buffer surface connected with the right side of the drainage area first buffer surface and a drainage area fourth buffer surface respectively connected with the drainage area second buffer surface and the drainage area third buffer surface; the first buffering of drain zone is personally submitted the preceding height low back and is set up with the horizontal direction slope, the drain zone second buffering is personally submitted the height on the left low side and is set up with the horizontal direction slope, the drain zone third buffering is personally submitted the height on the right low side and is set up with the horizontal direction slope, the drain zone fourth buffering is personally submitted the back height before low and with the horizontal direction slope setting, the drain zone first buffering face the drain zone second buffering face the drain zone third buffering face with the lower extreme of drain zone fourth buffering face respectively with the outer fringe of outlet meets.

Furthermore, the rear side of at least one of the second openings corresponds to the first buffering surface of the drainage area, a third buffering structure is arranged on the first buffering surface of the drainage area, and the third buffering structure is located at the rear end of the second opening.

Furthermore, a second convection prevention rib plate is arranged at the water drainage port, the second convection prevention rib plate is connected with the inner wall of the water drainage port and protrudes upwards out of the water drainage port, and the second convection prevention rib plate extends in the front-back direction to prevent water flowing on the left side and the right side from generating convection.

Another object of the present invention is to provide a vehicle, including the air conditioner drainage casing as described above.

The utility model provides an air conditioner drainage casing compares with prior art, through first buffering face between windward side and water drainage, makes the comdenstion water from windward side earlier flow to water drainage again through the buffering of first buffering face, avoids the comdenstion water on the windward side directly to flow down to first buffering face under the high drop, reduces the impact that the comdenstion water fell down, also reduces the noise that the comdenstion water of air conditioner flowed down.

Drawings

Fig. 1 is one of schematic diagrams of an air conditioner drainage housing according to an embodiment of the present invention;

fig. 2 is a second schematic view of a drainage housing of an air conditioner according to an embodiment of the present invention;

fig. 3 is a third schematic view of a drainage housing of an air conditioner according to an embodiment of the present invention;

fig. 4 is a fourth schematic view of the air conditioner drainage casing according to the embodiment of the present invention;

fig. 5 is a schematic diagram of the air conditioner drainage shell provided by the embodiment of the present invention when being matched with a heat exchanger;

fig. 6 is an enlarged view at C in fig. 4.

In the figure: A. a frontal windward region; B. a drainage area; 1. the windward side; 2. a first buffer structure; 3. a first drainage channel; 4. a first buffer surface; 5. a second buffer structure; 6. a first buffer surface of the drainage area; 7. a third buffer structure; 8. a support rib structure; 9. a first anti-convection rib plate; 10. a second convection prevention rib plate; 11. a second drainage channel; 12. a second buffer surface of the drainage area; 13. a third buffer surface of the drainage area; 14. a second buffer surface; 15. a fourth buffer surface of the drainage area; 16. limiting ribs; 17. a first connection face; 18. a heat exchanger.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It should be noted that the terms "length," "width," "height," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "head," "tail," and the like, are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and for simplicity in description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

It is also noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. Further, "plurality" or "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 6, an embodiment of the air conditioner drainage housing according to the present invention will now be described. The air conditioner drainage shell is applied to an automobile, a heat exchanger 18 such as an evaporator core is placed above the air conditioner drainage shell, and the air conditioner drainage shell is provided with a front windward area A and a drainage area B, wherein the front windward area A and the drainage area B are sequentially arranged along the heat exchanger 18 from front to back. It should be understood here that the front windward area a and the drainage area B are both front and rear areas formed by manual division on the air conditioner drainage casing provided by the embodiment of the present invention.

Wherein, the front windward area A is sequentially provided with a windward side 1, a first connecting surface 17 and a first buffer surface 4 from front to back, and the first buffer surface 4 is lower than the windward side 1. The rear end of the windward side 1 is connected to (the upper end of) the first connection surface 17, and the (lower end of) the first connection surface 17 is connected to the front end of the first buffer surface 4. The rear end of the first buffer surface 4 is connected to the drain region B. The windward side 1, the first connecting surface 17 and the first buffer surface 4 are substantially in a step profile structure, and two surfaces are connected, namely the edges of the two surfaces are connected.

The rear end of the windward side 1 is convexly provided with a first buffer structure 2 for blocking or buffering the fluid (i.e. wind and condensate) from flowing to the rear side (i.e. towards the first connection surface 17 and the first buffer surface 4). Be equipped with at least one confession condensate water on the first buffer structure 2 and flow to first connection face 17 or the first opening of first buffering face 4 from windward side 1, because the setting of first buffer structure 2 has and blocks or cushions the air inlet and the comdenstion water flows to the rear side, so wind and comdenstion water are at the time of flowing first buffer structure 2 here, wind and comdenstion water can be gathered by the water conservancy diversion of first buffer structure 2 to make the comdenstion water accelerate (the velocity of flow becomes fast) and flow out from first opening, then the comdenstion water flows on first buffering face 4 (or flows on first buffering face 4 through first connection face 17).

Meanwhile, the rear end of the first buffer surface 4 is convexly provided with a second buffer structure 5 for blocking or buffering the fluid flowing to the rear side (i.e., toward the drain region B). Be equipped with at least one on the second buffer structure 5 and supply the condensate water to flow to the second opening of water drainage zone B from first buffering face 4, because the setting of second buffer structure 5 has and blocks or cushions the air inlet and the condensate water flows to the rear side, so wind and condensate water are when flowing second buffer structure 5 this time, wind and condensate water can be by 5 water conservancy diversion of second buffer structure and assemble, thereby make the condensate water accelerate (the velocity of flow becomes fast) and flow out from the second opening, then condensate water flows to in the water drainage zone B. The arrangement of the first buffer structure 2, the first notch, the second buffer structure 5 and the second notch can enable condensate water to flow to the windward side 1 and the first buffer surface 4 quickly so as to prevent mildew, bacteria breeding and the like.

Use the embodiment of the utility model provides an air conditioner drainage casing, heat exchanger 18 places in first buffering face 4 and water drainage district B's top, during the concrete use, the comdenstion water among the heat exchanger 18 can flow down to anterior windward a and water drainage district B, under the air inlet effect, the comdenstion water that flows down to windward 1 can flow down to first buffering face 4 through first opening earlier on, the comdenstion water on the first buffering face 4 can pass through the second opening fast circulation to water drainage district B afterwards, water drainage district B's comdenstion water then through the outlet and discharge. Therefore, the condensate water on the windward side 1 directly falls into the drainage area B with a high fall, unlike the prior art, the condensate water on the windward side 1 firstly falls into the first buffer surface 4 and then falls into the drainage area B, namely, the condensate water on the windward side 1 firstly falls into the drainage area B after being buffered by the first buffer surface 4 in a half-air state (namely, the condensate water falls into the drainage area B for multiple times from single falling in the falling process from the windward side 1 to the drainage area B, and the fall stroke of each falling is reduced), so that the impact noise of the condensate water on the windward side 1 falling into the drainage area B can be reduced.

The embodiment of the utility model provides an air conditioner drainage casing compares with prior art, through first buffering face between windward side and drainage area, makes the comdenstion water on the windward side flow to the drainage area again through the buffering of first buffering face earlier, avoids the comdenstion water on the windward side direct flow to fall to first buffering face under the high drop, reduces the impact that the comdenstion water fell down, also reduces the noise that the comdenstion water of air conditioner fell.

Referring to fig. 1 to 5, as a specific embodiment of the air conditioner drainage casing of the present invention, a windward side 1 is high in front and low in back and is inclined with a horizontal direction (horizontal plane) so that the condensed water can smoothly flow to the rear side. The first buffer surface 4 is high in front and low in back and is inclined to the horizontal direction, so that the condensed water can smoothly flow to the back side.

Referring to fig. 1 to 4, as a specific embodiment of the air conditioner water discharging casing provided by the present invention, a first water discharging groove 3 communicated with the first gap is provided on the first connecting surface 17, and a second water discharging groove 11 communicated with the first water discharging groove 3 and the second gap is provided on the first buffering surface 4. The first water discharge concave channel 3 is concavely arranged on the first connecting surface 17, and the second water discharge concave channel 11 is concavely arranged on the first buffer surface 4. The arrangement of the first and second drainage channels 3 and 11 can provide guidance for the flow of the cooling water, so that the cooling water flows rapidly, and the flowing sound of the cooling water flowing in the channels (i.e., grooves) is less.

Referring to fig. 1 to 5, as a specific embodiment of the air conditioner drainage casing provided by the present invention, a support rib structure 8 for supporting the heat exchanger 18 is convexly disposed in the drainage area B.

Referring to fig. 1 to 5, as a specific embodiment of the air conditioner drainage casing provided by the present invention, a limiting rib 16 for preventing the heat exchanger 18 from moving backwards is further protruded in the drainage area B. The heat exchanger 18 is arranged between the limiting rib 16 and the first connecting surface 17, and the first connecting surface 17 can prevent the heat exchanger 18 from moving forwards.

Referring to fig. 1 to 4, as a specific embodiment of the air conditioner drainage casing provided by the present invention, the limiting ribs 16 are provided in plurality, and each limiting rib 16 is disposed at an interval in the drainage area B along the left and right direction. Usually, the water outlet is located at the front side of the limiting rib 16, and the limiting rib 16 is arranged at intervals to facilitate the condensed water at the rear part of the water discharge area B to flow to the water outlet through the gap of the limiting rib 16. The right-left direction is a right-left direction of the heat exchanger 18, and the right-left direction is parallel to a horizontal plane and perpendicular to a front-rear direction in which wind blows across the heat exchanger 18.

Referring to fig. 1 to 4, as a specific embodiment of the air conditioner drainage shell provided by the present invention, the drainage area B is further provided with a first anti-convection rib plate 9 in a protruding manner, and the first anti-convection rib plate 9 extends along the left-right direction. The first convection prevention rib plate 9 can prevent the convection phenomenon of the water flow flowing to the drain port at the front side of the drain region B and the water flow flowing to the drain port at the rear side of the drain region B. The convection phenomenon can slow down the flow velocity of the condensed water, so that the discharge speed of the condensed water is slowed down, and the arrangement of the first convection-proof rib plate 9 can prevent the flowing water on the front side and the rear side from generating convection.

Referring to fig. 1 to 4, as a specific embodiment of the air conditioner drainage housing provided by the present invention, the first convection preventing rib 9 is located at the front side of the limiting rib 16 in the drainage area B. Specifically, the first convection prevention rib plate 9 may be disposed at the rear side of the second notch, or disposed at the front side of the interval between two adjacent limiting ribs 16, so that the first convection prevention rib plate 9 may prevent the condensed water flowing out from the second notch from impacting the rear side of the drainage area B, or prevent the condensed water flowing out from the interval between two adjacent limiting ribs 16 from impacting the front side of the drainage area B, thereby reducing the front-back convection.

Please refer to fig. 1 to 4, as a specific embodiment of the air conditioner drainage casing provided by the present invention, the second opening may have a plurality of openings, except that the first anti-convection rib plate 9 may prevent front-back convection, the brace structure 8 may also be used for placing front-back convection, for example, the brace structure 8 may be disposed at the rear side of the second opening, or disposed at the front side of the space between two adjacent limiting ribs 16.

Please refer to fig. 1 to 4 and fig. 6, as a specific embodiment of the air conditioner drainage shell, the drainage area B comprises a first buffer surface 6 of the drainage area connected to the rear end of the first buffer surface 4, a second buffer surface 12 of the drainage area connected to the left side of the first buffer surface 6 of the drainage area, a third buffer surface 13 of the drainage area connected to the right side of the first buffer surface 6 of the drainage area, and a fourth buffer surface 15 of the drainage area connected to the second buffer surface 12 of the drainage area and the third buffer surface 13 of the drainage area respectively.

The first buffer surface 6 of the drainage area is high in front and low in back and is obliquely arranged with the horizontal direction (horizontal plane), the second buffer surface 12 of the drainage area is high in left and low in left and is obliquely arranged with the horizontal direction, the third buffer surface 13 of the drainage area is high in right and low in left and is obliquely arranged with the horizontal direction, the fourth buffer surface 15 of the drainage area is high in back and low in front and is obliquely arranged with the horizontal direction, the lower ends of the first buffer surface 6 of the drainage area, the second buffer surface 12 of the drainage area, the third buffer surface 13 of the drainage area and the fourth buffer surface 15 of the drainage area are respectively connected with a bearing surface bearing a drainage port (namely, the lower ends of the first buffer surface 6 of the drainage area, the second buffer surface 12 of the drainage area, the third buffer surface 13 of the drainage area and the fourth buffer surface 15 of the drainage area are respectively connected with the outer edge of the drainage port), namely, the lower ends of the first buffer surface 6 of the drainage area, the second buffer surface 12 of the drainage area, the third buffer surface 13 of the drainage area and the fourth buffer surface 15 of the drainage area are converged to the drainage port, the drainage area B is of a funnel-like surface structure, so that condensed water can flow into the drainage port conveniently.

Referring to fig. 1 to 4, as a specific embodiment of the air conditioner drainage casing of the present invention, the drainage port is located approximately at the middle position of the drainage area B along the front-rear direction.

Referring to fig. 1 to 4, as a specific embodiment of the air conditioner drainage shell provided by the present invention, the left end of the second buffering surface 12 of the drainage area is connected to the left side of the rear end of the first buffering surface 6 of the drainage area, and the connection between the second buffering surface 12 of the drainage area and the first buffering surface 6 of the drainage area is relatively gentle; the right end of the third buffer surface 13 of the drainage area is connected with the right side of the rear end of the first buffer surface 6 of the drainage area, and the connection part of the third buffer surface 13 of the drainage area and the first buffer surface 6 of the drainage area is relatively smooth.

Please refer to fig. 1 to 4, as a specific embodiment of the air conditioner drainage shell according to the present invention, the rear side of at least one second gap corresponds to the first buffering surface 6 of the drainage area, i.e. the condensed water flowing out from the second gap will flow onto the first buffering surface 6 of the drainage area. And a third buffer structure 7 is arranged on the first buffer surface 6 of the drainage area, and the third buffer structure 7 is positioned at the rear side of the second gap. Because the first buffering face 6 of drain zone extends downwards to one side, so flow and fall the first buffering face 6 of drain zone on flowing water can produce great noise because of great drop, and the third buffer structure 7 that sets up can alleviate the speed of falling, the production of noise abatement.

Of course, it should be understood that the left and right ends of the first buffering surface 4 may also be provided with the second gaps, but the left and right ends of the first buffering surface 4 are relatively gentle to the joints of the second buffering surface 12 of the water discharge area and the third buffering surface 13 of the water discharge area, so that the third buffering structures 7 may not be provided at the positions of the water discharge area B corresponding to the positions where the second gaps are provided at the left and right ends of the first buffering surface 4. The second buffer structure 5 may be provided only at the middle position of the first buffer surface 4, and does not extend to the left and right ends of the first buffer surface 4.

Referring to fig. 1 to 4, as a specific embodiment of the air conditioner drainage casing provided by the present invention, the first buffer structure 2, the second buffer structure 5 and the third buffer structure 7 may be rib structures that are protruded. The first buffer structure 2 protrudes upwards from the windward side 1, the second buffer structure 5 protrudes upwards from the first buffer surface 4, and the third buffer structure 7 protrudes backwards from the first buffer surface 6 of the drainage area.

Referring to fig. 1 to 4, as a specific embodiment of the air conditioner drainage casing provided by the present invention, the supporting rib structure 8, the first anti-convection rib plate 9 and the limiting rib 16 may be respectively protruded on the second buffering surface 12 and/or the third buffering surface 13 of the drainage area.

Please refer to fig. 1 to 4, as the utility model provides an air conditioner drainage casing's a specific implementation way, the embodiment of the utility model provides an air conditioner drainage casing's rear end still constructs and is equipped with second buffering face 14, high and with horizontal direction (horizontal plane) slope setting after the low back before second buffering face 14 is, second buffering face 14 is located the rear side of drainage zone fourth buffering face 15, the front end (or the lower extreme) of second buffering face 14 meets with the rear end (or the upper end) of drainage zone fourth buffering face 15, second buffering face 14 and the setting of drainage zone fourth buffering face 15 can make drainage zone B rear side comdenstion water reduce the drop at the in-process that flows to drain department, reduce the noise that the comdenstion water flows down.

Referring to fig. 4 and 6, as a specific embodiment of the air conditioner drainage shell according to the present invention, a second anti-convection rib plate 10 is disposed at the drainage outlet, and the second anti-convection rib plate 10 is connected to the inner wall of the drainage outlet and protrudes upward from the drainage outlet (i.e., protrudes from the bearing surface where the drainage outlet is located). The second convection-proof rib plates 10 extend in the front-rear direction to prevent the water flowing on the left and right sides of the drainage area B from generating convection.

The utility model also provides an automobile, including the air conditioner drainage casing in the above-mentioned embodiment.

The embodiment of the utility model provides a car compares with prior art, through first buffering face between windward side and water drainage, makes the comdenstion water from windward side earlier flow to water drainage again through the buffering of first buffering face, avoids the comdenstion water on the windward side directly to flow down to first buffering face under the high drop, reduces the impact that the comdenstion water fell, also reduces the noise that air conditioner comdenstion water flow fell.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The air conditioner drainage shell is characterized by comprising a front windward area and a drainage area, wherein the front windward area and the drainage area are sequentially arranged from front to back along the wind direction;

the front windward area is sequentially provided with a windward surface, a first connecting surface and a first buffering surface from front to back, the first buffering surface is lower than the windward surface, the front end of the first buffering surface is connected with the rear end of the windward surface through the first connecting surface, and the rear end of the first buffering surface is connected with the drainage area; the rear end of the windward side is convexly provided with a first buffer structure for blocking or buffering fluid to flow towards the rear side, and the first buffer structure is provided with at least one first opening for condensed water to flow from the windward side to the first connecting surface or the first buffer surface; the rear end of the first buffering surface is convexly provided with a second buffering structure used for blocking or buffering fluid to flow towards the rear side, and the second buffering structure is provided with at least one second opening for allowing condensed water to flow from the first buffering surface to the water drainage area.

2. The air conditioner drain casing according to claim 1, wherein a first drain groove communicating with the first notch is provided on the first connection surface, and a second drain groove communicating with the first drain groove and the second notch is provided on the first buffer surface.

3. The air conditioner drain case of claim 1, wherein the drain area is embossed with a support rib structure for supporting the heat exchanger.

4. An air conditioner drain casing as set forth in claim 3, wherein said drain region is further provided with a stopper rib for preventing the heat exchanger from moving backward.

5. The air conditioner drain case of claim 4, wherein the limiting rib has a plurality of limiting ribs, and each of the limiting ribs is provided at intervals in a left-right direction.

6. The air conditioner drain casing according to claim 1, wherein the drain area is further provided with a first anti-convection rib plate in a protruding manner, and the first anti-convection rib plate extends in the left-right direction to prevent the water flowing from the front side and the rear side from generating convection.

7. The air conditioner drain case of any one of claims 1 to 6, wherein the drain structure is provided with a first buffer surface of the drain connected to a rear end of the first buffer surface, a second buffer surface of the drain connected to a left side of the first buffer surface of the drain, a third buffer surface of the drain connected to a right side of the first buffer surface of the drain, and a fourth buffer surface of the drain connected to the second buffer surface of the drain and the third buffer surface of the drain, respectively; the first buffering of drain zone is personally submitted the preceding height low back and is set up with the horizontal direction slope, the drain zone second buffering is personally submitted the height on the left low side and is set up with the horizontal direction slope, the drain zone third buffering is personally submitted the height on the right low side and is set up with the horizontal direction slope, the drain zone fourth buffering is personally submitted the back height before low and with the horizontal direction slope setting, the drain zone first buffering face the drain zone second buffering face the drain zone third buffering face with the lower extreme of drain zone fourth buffering face respectively with the outer fringe of outlet meets.

8. The air conditioner drain casing of claim 7, wherein a rear side of at least one of the second cutouts corresponds to the drain region first cushioning surface, and a third cushioning structure is provided on the drain region first cushioning surface, the third cushioning structure being located at a rear end of the second cutout.

9. The air conditioner drain casing according to any one of claims 1 to 6, wherein a second convection prevention rib is provided at the drain opening, the second convection prevention rib is connected with an inner wall of the drain opening and protrudes upward from the drain opening, and the second convection prevention rib extends in a front-rear direction to prevent convection of water flowing from left and right sides.

10. Automotive vehicle, characterized in that it comprises an air conditioning drain casing according to any of claims 1 to 9.

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