CN212202300U

CN212202300U - Automobile air inlet channel assembly

Info

Publication number: CN212202300U
Application number: CN202021251825.8U
Authority: CN
Inventors: 卢永涛
Original assignee: Wuxi Yili Environmental Protection Technology Co Ltd; Hebei Yili Technology Co Ltd
Current assignee: Wuxi Yili Environmental Protection Technology Co Ltd; Hebei Yili Technology Co Ltd
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2020-12-22
Anticipated expiration: 2030-07-01

Abstract

The utility model discloses an automobile air inlet channel assembly, wherein the side surface of a shell is provided with an air inlet grille, the bottom of the shell is provided with a first air outlet, a rain shield is arranged in the shell, and the bottom of the rain shield is provided with a water outlet; a plurality of water baffles are arranged between the baffles on the two sides of the rain shield, and a second air outlet is formed between the adjacent water baffles; a water inlet and a water outlet are formed in the side baffle on one side, and a flow guide structure is arranged on the outer side of the side baffle. The utility model discloses form the water conservancy diversion structure in the outside of side shield, the water conservancy diversion structure in the rain shade interception separation flows down to the outlet discharge from the side shield outside, and water does not flow through the air inlet when flowing down, consequently can not receive the impact of air inlet stream, has avoided moisture to be drawn into inside the intake duct by the air current, and moisture is more thoroughly by the drainage ground, and dewatering efficiency is higher, avoids moisture to be drawn into in the air cleaner, drenches the filter paper of filter core, has ensured the filtration efficiency of filter core.

Description

Automobile air inlet channel assembly

Technical Field

The utility model belongs to the technical field of the air intake system technique and specifically relates to a be applied to heavy truck's car intake duct assembly.

Background

The air inlet channel is used as an important component of the air inlet system, and mainly plays a role in removing water and dust from air flow entering the air inlet system, so that dry air is provided for the air filter, and the filter element is prevented from being wetted by moisture in the air flow.

In the air inlet duct with an air inlet grille structure used by the current heavy-duty automobile, a rain shield is additionally arranged in the air inlet duct to condense, collect and discharge the moisture entering the air inlet duct; the moisture that collects on the rain shade of current intake duct structure flows downwards, drips the outlet discharge to the below along the front end portion that is located air inlet one side, and moisture can flow through the air inlet downwards, and under the impact of the air current that admits air, inside partly partial moisture can be drawn into the intake duct by the air current, and dewatering efficiency is lower, and the inside moisture of entering intake duct is drawn into air cleaner very easily, drenches the filter paper of filter core, and then reduces the filtration efficiency of filter core.

SUMMERY OF THE UTILITY MODEL

The applicant aims at the defects that the dewatering efficiency of the existing air inlet is low, moisture is easily drawn into the air filter, filter paper is wetted and the like, and provides an automobile air inlet assembly with a reasonable structure.

The utility model discloses the technical scheme who adopts as follows:

an automobile air inlet passage assembly is characterized in that an air inlet grille is arranged on the side surface of a shell, a first air outlet is arranged at the bottom of the shell, the air inlet grille and the first air outlet are communicated with an inner cavity of the shell, a rain shield is fixedly arranged in the shell and positioned on the inner side of the air inlet grille, and a water outlet is formed in the bottom of the rain shield; the side baffles are arranged on two sides of the rain shield, a plurality of water baffles are sequentially arranged between the side baffles from top to bottom, and a second air outlet is formed between adjacent water baffles; the side baffle on one side is provided with a water outlet corresponding to the water baffle at the lowest part, water inlets corresponding to the rest water baffles are respectively arranged, and the outer side of the side baffle is provided with a flow guide structure.

The utility model discloses wherein correspond a plurality of breakwaters and set up a plurality of water inlets and delivery port on the side shield of rain fly wherein one side, form water conservancy diversion structure in the outside of side shield, the moisture of rain fly interception separation does not flow downwards from the front end of breakwater, but the water conservancy diversion structure in the side shield outside flows downwards to the outlet and discharges, moisture does not flow through the air inlet when flowing downwards, consequently, can not receive the impact of inlet air current, it is inside to have avoided moisture to be drawn into the intake duct by the air current, moisture is more thorough with discharging, dewatering efficiency is higher, avoid moisture to be drawn into in the air cleaner, the filter paper of filter core wets, the filtration efficiency of filter core has been ensured.

As a further improvement of the above technical solution:

the flow guide structure is a drainage groove, and a plurality of water inlets and water outlets are positioned in the area of the drainage groove; when the water-retaining plate works, the water intercepted and separated by the water-retaining plate flows to the water drainage groove through the water inlets, flows downwards along the water drainage groove, and flows to the water outlet through the water outlet to be discharged.

The drainage groove is formed by a circle of convex strips protruding outwards on the outer side surface of the side baffle, a cover plate is fixed on the outer side surface of the drainage groove, and the drainage groove is covered to form a semi-closed drainage channel; a plurality of diversion strips are arranged in the drainage groove and correspondingly arranged on one side of the water inlet.

The utility model discloses a water conservancy diversion strip in the water drainage tank can play the water conservancy diversion effect to the moisture that the water inlet flows on the one hand, and on the other hand can also block the moisture that flows down by the top water inlet for the moisture flow direction changes, avoids the moisture that the upper-level water inlet flowed down to get into the rain-proof cover once more from lower one-level water inlet department, and then is brought into the inside of casing by the air current. The lateral surface of water drainage tank is fixed with the apron, is the water drainage tank closing cap for semi-enclosed drainage channel, guarantees to follow the water outlet discharge of the whole follow below of the moisture that the water inlet flows out, avoids in the excessive inside cavity that is drawn into the casing of moisture, and the dewatering is more thorough, and dewatering efficiency is higher.

The front end part of the water baffle, which is positioned on one side of the air inlet direction, is provided with a separation blade, the rear end part of the separation blade upwarps upwards along the water baffle to form a diversion trench, and the diversion trench is communicated with the water inlet.

The utility model discloses a separation blade blocks the moisture of interception separation on the breakwater totally in the guiding gutter, flows into water drainage tank through the water inlet, avoids moisture to flow out from the breakwater front end portion and is brought into the inside cavity of casing by the air current that gets into in, and the dewatering is more thorough, and dewatering efficiency is higher.

One side of the water baffle and one side of the separation blade, which face the water inlet, are inclined downwards, and an included angle alpha between the water baffle and the side baffle at one side of the water inlet and the separation blade is an acute angle.

The utility model discloses a contained angle alpha between the side shield of breakwater, separation blade and water conservancy diversion side is the acute angle, and breakwater, separation blade downward sloping towards one side of water inlet promptly more do benefit to the moisture that gathers in the guiding gutter and flow towards the water inlet like this, avoid the moisture deposit, more do benefit to thoroughly getting rid of moisture, and dewatering efficiency is higher.

The side face of the lower end of the shell, which is positioned at the first air outlet, is provided with at least one drain valve.

A second drain valve and a third drain valve are respectively arranged on two sides of the first air outlet; a water retaining ring is inserted into the first air outlet, and a water collecting tank is formed between the outer wall surface of the upper part of the water retaining ring and the corresponding inner wall surface of the shell; the water collecting tank is communicated with the second drain valve and the third drain valve; one side of the water retaining ring corresponding to the third drain valve is recessed inwards for a certain distance towards the first air outlet.

The utility model discloses all set up the drain valve respectively in the entrance and the exit of air current, before the first gas outlet of intake duct, breakwater ring department increases one or more drain valve, the utility model discloses an increase second, third drain valve and improve drainage efficiency. At air inlet department, the air current with most moisture separation, discharge through first drain valve, the air current further with moisture separation and through second drain valve, third drain valve in the inside cavity of casing, the moisture of separation discharges more thoroughly, and water efficiency is higher, avoids moisture to be drawn into in the air cleaner, drenches the filter paper of filter core, has guaranteed the filtration efficiency of filter core.

And flanges are respectively formed on the side baffle and on the edge of the water baffle inwards corresponding to each second air outlet.

The utility model discloses a side shield is last and the border of breakwater corresponds every second gas outlet and is formed with the turn-ups inwards respectively, and the turn-ups can play the effect that blocks to the moisture that every breakwater interception was separated, guarantees that the moisture of separation is whole to be down-flow along the breakwater, avoids the moisture of separating to be brought into in the inside cavity of casing by the air current, and the dewatering is more thorough, and dewatering efficiency is higher.

The second air outlet of the rain shield is opened obliquely upwards towards the upper wall surface of the shell.

The utility model discloses a second gas outlet on the rain shade is towards last wall, the ascending opening in one side of casing, and the air current flows through the rain shade, and under the guide of breakwater, the last wall towards the casing flows, and under the rebound effect of the last wall of casing, change the air current direction and then carry out the flow field reorganization, more do benefit to remaining moisture in the air current and be further separated fully in inside cavity, obtain higher minute water efficiency.

The front wall surface and the rear wall surface of the shell are respectively provided with a plurality of ribs, and the ribs at the corresponding positions of the front wall surface and the rear wall surface are mutually contacted.

The front wall surface and the rear wall surface of the shell of the utility model are respectively inwards concave towards the inner cavity to form a plurality of ribs which can increase the strength of the front wall surface and the rear wall surface and avoid the deformation of the front wall surface and the rear wall surface during the forming; the ribs at the corresponding positions of the front wall surface and the rear wall surface are contacted with each other to form a supporting structure between the front wall surface and the rear wall surface, so that the supporting strength between the front wall surface and the rear wall surface is increased, and the front wall surface and the rear wall surface are prevented from collapsing and deforming; the plurality of ribs can enable the flow field of the air flow entering the inner cavity to be recombined and turned to generate rotational flow, and under the action of the rotating centrifugal force, moisture in the air flow is separated to the inner wall surface of the shell, so that the moisture in the air flow is separated, the purpose of drying the air is achieved, and the dewatering efficiency is improved.

The utility model has the advantages as follows:

The utility model discloses the manger plate ring can stop the moisture in the inside cavity of casing in the water catch bowl, discharges through second drain valve, third drain valve, avoids moisture to spill over from the water catch bowl, get into first gas outlet, improves dewatering efficiency. One side that the manger plate ring corresponds the third drain valve inwards caves in certain distance towards first gas outlet, because the air current that the internal face that corresponds in third drain valve one side in the casing received strikes great, and airflow flow is great, and one side that the manger plate ring corresponds is sunken inwards, can increase the air current collection area of this side, and then the collection area of increase moisture more does benefit to the collection of moisture, improves dewatering efficiency.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a sectional view a-a of fig. 2.

Fig. 4 is an enlarged view of a portion B in fig. 3.

Fig. 5 is a perspective view of the rain fly.

Fig. 6 is a perspective view of the rain shield from another perspective.

Fig. 7 is a perspective view of fig. 6 with the cover removed.

Fig. 8 is a cross-sectional view of fig. 6.

In the figure: 1. a housing; 2. an air intake grille; 3. a blade; 4. a first air outlet; 5. a first drain valve; 6. a second drain valve; 7. a third drain valve; 8. ribs; 9. a rain shield; 90. a side dam; 91. a second air outlet; 911. flanging; 92. a water baffle; 93. a baffle plate; 94. a water inlet; 95. a water outlet; 96. a water outlet; 97. a water discharge tank; 98. a cover plate; 99. a flow guide strip; 10. a water retaining ring; 11. a water collection tank; 12. a boss portion; 13. a diversion trench; alpha and an included angle.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1, the utility model discloses a whole injection moulding of casing 1, one side on its upper portion outwards protrudes certain height, forms bellying 12, sets up the air inlet on the lateral surface of bellying 12, fixedly connected with air-inlet grille 2 on the air inlet, and first gas outlet 4 is seted up to casing 1's bottom, and air-inlet grille 2, first gas outlet 4 switch on casing 1's inside cavity, and the air current gets into inside cavity from air-inlet grille 2, discharges from first gas outlet 4. As shown in fig. 1, 2, and 3, a first drain valve 5 is disposed at the bottom of the protruding portion 12 of the housing 1 and inside the air inlet grille 2, a second drain valve 6 and a third drain valve 7 are disposed at the lower end of the housing 1 and on both sides of the first air outlet 4, the second drain valve 6 is disposed on the same side as the air inlet grille 2, and the third drain valve 7 is disposed on the opposite side. The utility model discloses all set up the drain valve in the entrance and the exit of air current respectively, in air inlet department, the air current with most moisture separation, discharge through

first drain valve

5, 4 departments pass through at first gas outlet, the air current further with moisture separation and through second drain valve 6, third drain valve 7 in the inside cavity of casing 1, the moisture discharge of separation is more thorough, it is higher to go out water efficiency, avoid moisture to be drawn into in air cleaner, the filter paper of filter core wets, the filtration efficiency of filter core has been guaranteed. As shown in fig. 1 and 2, a plurality of blades 3 are uniformly arranged on the air inlet grille 2, the blades 3 incline downwards to a certain angle towards one side wall surface of the shell 1, openings of the blades 3 incline upwards from outside to inside, and can guide air flow to enter an internal cavity towards the inclined upper part of the shell 1, the air flow can obtain a larger flow stroke in the internal cavity, and under the rebound effect of the inner wall surface of the shell 1, the air flow direction is changed to further recombine a flow field, so that residual moisture in the air flow is further and sufficiently separated in the internal cavity, and higher water diversion efficiency is obtained.

As shown in fig. 3, a rain shield 9 is fixedly arranged on the inner side of the air intake grille 2 on the convex portion 12 of the housing 1, one side portion of the rain shield 9 extends into the convex portion 12, and the other side portion extends into the air intake grille 2; a drain port 96 is provided at the bottom of the rain shield 9, the drain port 96 extends from the bottom of the protruding portion 12 and the intake grill 2, and the first drain valve 5 is mounted on the drain port 96. As shown in fig. 5, 6 and 7, the rain shield 9 is integrally formed, wherein vertical side baffles 90 are respectively arranged on two sides of the rain shield 9 in the air inlet direction, a plurality of arc-shaped water baffles 92 are sequentially arranged between the side baffles 90 from top to bottom, a plurality of second air outlets 91 are formed at the top end of the rain shield 9 and between adjacent water baffles 92, air flow enters from the air inlet grille 2, intercepts and separates most of moisture through the water baffles 92 of the rain shield 9, then enters the inner cavity of the housing 1 from the second air outlets 91, and the separated moisture flows downwards along the water baffles 92 and is discharged from a water outlet 96 at the bottom; as shown in fig. 4, 6 and 8, the side baffle 90 and the edge of the water baffle 92 corresponding to each second air outlet 91 are respectively provided with a turned-over edge 911 facing inwards, the turned-over edge 911 can block the water intercepted and separated by each water baffle 92, so as to ensure that the separated water completely flows downwards along the water baffle 92, and the separated water is prevented from being brought into the inner cavity of the housing 1 by the air flow, so that the water removal is more thorough and the water removal efficiency is higher; as shown in fig. 3, the second air outlet 91 is opened obliquely upward toward the upper wall surface of the housing 1, and the air flow flows through the rain shield 9 and flows toward the upper wall surface of the housing 1 under the guidance of the water baffle 92, and the air flow direction is changed under the rebound action of the upper wall surface of the housing 1 to perform flow field recombination, which is more beneficial to further and fully separating the moisture remaining in the air flow in the internal cavity, and obtaining higher moisture separation efficiency. As shown in fig. 5, a water outlet 95 is formed on the side baffle 90 on one side of the rain shield 9 corresponding to the lowermost water baffle 92, and water inlets 94 are formed on the remaining water baffles 92, respectively, as shown in fig. 8, the lower edge of each water inlet 94 is flush with the upper surface of the corresponding water baffle 92, so that water on the water baffles 92 can be discharged easily, and water deposition can be avoided; as shown in fig. 6 and 7, a circle of closed convex strips are protruded outwards from the outer side surface of the side baffle 90 provided with the water inlet 94 and the water outlet 95, a drainage groove 97 is formed on the outer side surface of the side baffle 90, a plurality of water inlets 94 and water outlets 95 are positioned in the area of the drainage groove 97, and the water baffle 92 intercepts and separates water which flows into the drainage groove 97 from the water inlet 94, flows out from the water outlet 95 below, and is finally discharged from the water outlet 96; a plurality of flow guide strips 99 are arranged in the drainage groove 97, the flow guide strips 99 are correspondingly arranged on one side of the rest of the water inlets 94 except the uppermost water inlet 94, on one hand, the flow guide strips can guide the water flowing out of the water inlets 94, on the other hand, the water flowing down from the upper water inlet 94 can be blocked, so that the flow direction of the water is changed, and the water flowing down from the upper water inlet 94 is prevented from entering the rain shield 9 again from the lower water inlet 94 and then being brought into the shell 1 by the air flow; the lateral surface of water drainage tank 97 is fixed with apron 98, is the semi-enclosed drainage channel with water drainage tank 97 closing cap, guarantees that the moisture that flows out from water inlet 94 is whole to be discharged from delivery port 95 of below, avoids in the excessive inside cavity that is drawn into casing 1 of moisture, and the dewatering is more thorough, and dewatering efficiency is higher. As shown in fig. 5, 6 and 7, a blocking piece 93 is arranged at the front end part of each water baffle 92 at one side of the air inlet direction; as shown in fig. 3 and 4, the front end of the blocking piece 93 is attached to the front end of the water baffle 92 and bent downward, the rear end of the blocking piece 93 is tilted upward along the water baffle 92 and positioned above the water baffle 92, and a diversion trench 13 is formed between the blocking piece 93 and the water baffle 92, as shown in fig. 8, the diversion trench 13 is communicated with a drainage trench 97 through a water inlet 94, the blocking piece 93 blocks all the water intercepted and separated on the water baffle 92 in the diversion trench 13 and flows into the drainage trench 97 through the water inlet 94, so that the water is prevented from flowing out from the front end of the water baffle 92, the entered air flow is prevented from being involved into the inner cavity of the housing 1 again, the water removal is thorough, and the water removal efficiency is. As shown in fig. 8, the included angle α between the water baffle 92, the blocking piece 93 and the side baffle 90 on the diversion side is an acute angle, that is, the water baffle 92 and the blocking piece 93 incline downwards towards one side of the water inlet 94, so that the accumulated water in the diversion trench 13 flows towards the water inlet 94, the water deposition is avoided, the water is completely removed, and the water removal efficiency is higher.

As shown in fig. 3, a water retaining ring 10 is inserted into the first air outlet 4, an outer end surface of the water retaining ring 10 is substantially flush with an outer end surface of the first air outlet 4, an inner end portion of the water retaining ring extends inward to a certain height toward the inner cavity of the housing 1, a water collecting tank 11 is formed between an outer wall surface of an upper portion of the water retaining ring 10 and an inner wall surface corresponding to the housing 1, the water collecting tank 11 is a ring-shaped communicated ring groove located at the periphery of the water retaining ring 10, the water collecting tank 11 is communicated with the second drain valve 6 and the third drain valve 7, the water retaining ring 10 can block water in the inner cavity of the housing 1 in the water collecting tank 11 and is discharged through the second drain valve 6 and the third drain valve 7, so that the water is prevented from overflowing from the water collecting tank 11 and entering; one side that manger plate ring 10 corresponds third drain valve 7 inwards caves in certain distance towards first gas outlet 4, and because the air current that the internal face that corresponds in casing 1 and is located third drain valve 7 one side received strikes greatly, airflow flow is great, and one side that manger plate ring 10 corresponds is sunken inwards, can increase the air current collection area of this side, and then the collection area of increase moisture more does benefit to the collection of moisture, improves dewatering efficiency.

As shown in fig. 1 and 3, the front and rear wall surfaces of the housing 1 are recessed inward toward the inner cavity to form a plurality of ribs 8, and the ribs 8 can increase the strength of the front and rear wall surfaces and prevent the front and rear wall surfaces from deforming during molding; the ribs 8 at the corresponding positions of the front wall surface and the rear wall surface are contacted with each other to form a supporting structure between the front wall surface and the rear wall surface, so that the supporting strength between the front wall surface and the rear wall surface is increased, and the front wall surface and the rear wall surface are prevented from collapsing and deforming; the plurality of ribs 8 can also enable the flow field of the air flow entering the inner cavity to be recombined and reversed to generate rotational flow, and under the action of the rotating centrifugal force, moisture in the air flow is separated to the inner wall surface of the shell 1, so that the moisture in the air flow is separated, the purpose of drying the air is achieved, and the dewatering efficiency is improved.

When the utility model is used in practice, the air with moisture flows through the air inlet grille 2, after the air inlet grille 2 blocks and separates large-particle water drops in the air flow, the air flow enters the rain shield 9, after a plurality of water baffles 92 of the rain shield 9 intercept and separate most of moisture, the air flow enters the inner cavity of the shell 1 through a plurality of second air outlets 91, and after the moisture is further separated in the inner cavity, the air flow is discharged from the first air outlet 4; the moisture intercepted by the rain shield 9 is accumulated in the diversion trench 13, flows into the drainage trench 97 through the plurality of water inlets 94, flows out of the water outlet 95 at the lower part of the drainage trench 97 to the water outlet 96 at the bottom of the rain shield 9, and is discharged from the first drainage valve 5; the water separated in the inner cavity is accumulated in the water collecting tank 11 and is discharged through the second water discharge valve 6 and the third water discharge valve 7.

The utility model discloses a plurality of water inlets 94 and delivery port 95 are seted up to corresponding a plurality of breakwaters 92 on the side shield 90 of wherein one side of rain fly 9, form water conservancy diversion structure in the outside of side shield 90, the moisture of rain fly 9 interception separation does not follow the preceding tip downward flow of breakwaters 92, but the water conservancy diversion structure in the side shield 90 outside flows to outlet 96 discharge downwards, moisture does not flow through the air inlet when flowing downwards, consequently can not receive inlet air's impact, avoided moisture to be brought into inside the intake duct, moisture is more thorough with discharging, dewatering efficiency is higher, avoid moisture to be drawn into in the air cleaner, the filter paper of filter core wets, the filtration efficiency of filter core has been ensured.

The above description is illustrative of the present invention and is not intended to limit the present invention, and the present invention may be modified in any manner without departing from the spirit of the present invention.

Claims

1. The utility model provides an automobile air inlet channel assembly, the side of casing (1) sets up air-inlet grille (2), and the bottom sets up first gas outlet (4), and air-inlet grille (2), first gas outlet (4) switch on the inside cavity of casing (1), its characterized in that: a rain shield (9) is fixedly arranged in the shell (1) and positioned on the inner side of the air inlet grille (2), and a water outlet (96) is arranged at the bottom of the rain shield (9);

side baffles (90) are arranged on two sides of the rain shield (9), a plurality of water baffles (92) are sequentially arranged between the side baffles (90) from top to bottom, and a second air outlet (91) is formed between adjacent water baffles (92); a water outlet (95) is formed in the side baffle (90) on one side and corresponds to the water baffle (92) on the lowest portion, water inlets (94) are formed in the plurality of water baffles (92) on the rest portions, and a flow guide structure is arranged on the outer side of the side baffle (90).

2. The vehicle air intake duct assembly of claim 1, wherein: the flow guide structure is a drainage groove (97), and a plurality of water inlets (94) and water outlets (95) are positioned in the area of the drainage groove (97); when the water separator works, the water intercepted and separated by the water baffle (92) flows to the drainage groove (97) through the plurality of water inlets (94), flows downwards along the drainage groove (97), and flows to the drainage outlet (96) through the water outlet (95) to be discharged.

3. The vehicle air intake duct assembly of claim 2, wherein: the drainage groove (97) is formed by a circle of convex strips protruding outwards on the outer side surface of the side baffle (90), a cover plate (98) is fixed on the outer side surface of the drainage groove (97), and the drainage groove (97) is covered to form a semi-closed drainage channel; a plurality of diversion strips (99) are arranged in the drainage groove (97), and the diversion strips (99) are correspondingly arranged on one side of the water inlet (94).

4. The vehicle air intake duct assembly of claim 1, wherein: the front end part of the water baffle (92) on one side in the air inlet direction is provided with a baffle sheet (93), the rear end part of the baffle sheet (93) upwarps along the water baffle (92) to form a diversion trench (13), and the diversion trench (13) is communicated with the water inlet (94).

5. The vehicle air intake duct assembly of claim 4, wherein: one side of the water baffle (92) and one side of the baffle (93) which face the water inlet (94) are inclined downwards, and an included angle alpha between the water baffle (92) and the side baffle (90) at one side of the water inlet (94) and the baffle (93) is an acute angle.

6. The vehicle air intake duct assembly of claim 1, wherein: at least one drain valve is arranged on the side surface of the lower end of the shell (1) positioned at the first air outlet (4).

7. The vehicle air intake duct assembly of claim 1, wherein: a second drain valve (6) and a third drain valve (7) are respectively arranged on two sides of the first air outlet (4); a water retaining ring (10) is inserted in the first air outlet (4), and a water collecting tank (11) is formed between the outer wall surface of the upper part of the water retaining ring (10) and the corresponding inner wall surface of the shell (1); the water collecting tank (11) is communicated with the second drain valve (6) and the third drain valve (7); one side of the water retaining ring (10) corresponding to the third drain valve (7) is recessed inwards for a certain distance towards the first air outlet (4).

8. The vehicle air intake duct assembly of claim 1, wherein: and flanges (911) are respectively formed on the side baffle (90) and the edge of the water baffle (92) inwards corresponding to each second air outlet (91).

9. The vehicle air intake duct assembly of claim 1, wherein: the second air outlet (91) of the rain shield (9) opens obliquely upward toward the upper wall surface of the housing (1).

10. The vehicle air intake duct assembly of claim 1, wherein: the front wall surface and the rear wall surface of the shell (1) are respectively provided with a plurality of ribs (8), and the ribs (8) at the corresponding positions of the front wall surface and the rear wall surface are mutually contacted.