CN210289970U - Engine air intake system with drainage subassembly - Google Patents

Abstract

The utility model provides an engine air intake system with drainage subassembly, includes intake pipe and drainage subassembly, the drainage subassembly includes outlet and retaining spacer, the section of retaining spacer is the U type, the entering is accepted to the retaining spacer the rainwater of intake pipe. According to the utility model provides a pair of engine air intake system with drainage subassembly compares with prior art and has following advantage: simple structure, leakage prevention, easy assembly, low production cost and low noise.

Description

Engine air intake system with drainage subassembly

Technical Field

The utility model relates to an engine air intake system especially relates to an engine air intake system with drainage subassembly.

Background

The engine air inlet system is used as a complex system comprising an air filter, an air flow meter and other components, and has the main functions of conveying clean, dry, sufficient and stable air for the engine so as to meet the requirements of the engine, avoiding large particle impurities, rainwater and the like in the air from entering an engine combustion chamber to cause abnormal operation of the engine, and reducing noise.

However, in the engine air intake system on the market, the drainage assembly has a loose structure, the process flow is complicated, noise is easily generated, and in the case of extreme weather such as heavy rainy days, the drainage efficiency is low, a large amount of accumulated rainwater cannot be smoothly discharged through the drainage outlet, or the drainage is unfavorable, so that the rainwater leaks to the air filter through the drainage assembly, and the service life of the air filter element is shortened. Currently, the existing air intake systems with drainage assemblies on the market are mainly:

for example, the publication number of the authority is CN202991293U, and the title is an engine air intake system with a drainage structure, which discloses an engine air intake system with a drainage structure, comprising a high-level bleed air pipe, an air inlet is arranged at one side of the upper part of the high-level bleed air pipe; the fastener is passed through to high-order bleed air pipe lower part and is connected the water separator, and the water separator head stretches into in high-order bleed air pipe, and the water separator stretches into and forms the ring channel between the internal face of high-order bleed air pipe internal head part and high-order bleed air pipe, and the ring channel extends to one side has the drain pipe, installs the drain valve on the drain pipe, and the technical scheme that this utility model provided has following not enoughly: the lower part of the high-level air entraining pipe is connected with the water separator through a fastener, the head part of the water separator extends into the high-level air entraining pipe, the structure easily causes rainwater to leak to the air filter through a connecting gap, the fastener is used for connecting the complex structure, the production cost is high, and the noise of the jitter drainage structure is high easily in the working process of the air inlet system. For another example, an authority publication No. CN202176428U, entitled a water discharge device and a water discharge system for an intake system of an engine, discloses a water discharge device including: sealing plug and buckle: the sealing plug comprises an invaginated water tank, and the bottom of the water tank is provided with a mounting hole and a plurality of water outlet holes; the buckle comprises an end face and a barb, wherein the end face is an elastic arc face, one end of the barb is connected to the inner surface of the end face, and the other end of the barb is connected to the sealing plug through the mounting hole; and, the apopore of installation back basin bottom is located the coverage of buckle terminal surface, and the upper portion of buckle terminal surface is laminated with the corresponding position of the lower surface of basin bottom, and the utility model provides a technical scheme has following not enough: complex parts, complex structure, difficult installation and high production cost.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a simple structure, prevent the seepage, easily equipment, low in production cost, small in noise's drainage assembly and use this drainage assembly's engine air intake system.

The utility model discloses mainly adopt following technical scheme:

the utility model provides an engine air intake system with drainage subassembly, includes intake pipe and drainage subassembly, the drainage subassembly includes outlet and retaining spacer, the section of retaining spacer is the U type, the entering is accepted to the retaining spacer the rainwater of intake pipe.

Wherein, the retaining spacer has the inside wall, the inside wall stretches into in the intake pipe, the position height in outlet is less than the height on inside wall top.

The top end of the inner side wall is enclosed to form a cross-sectional area smaller than that of the air inlet pipe at the equal-height position, and the upper end of the inner side wall is inclined inwards gradually.

The water storage spacer sleeve is provided with an outer side wall, and the outer side wall of the water storage spacer sleeve is matched with the pipe wall of the air inlet pipe.

The outer side wall and the pipe wall of the air inlet pipe are integrally formed, or the outer side wall is sleeved on the outer side of the pipe wall of the air inlet pipe.

The pipe wall of the air inlet pipe is inwardly tightened to form a sleeve joint barrel, the outer side wall and the sleeve joint barrel are integrally formed, or the outer side wall is sleeved on the outer side of the sleeve joint barrel.

Wherein, the outlet is arranged on the pipe wall of the air inlet pipe or the water storage partition sleeve.

The drainage assembly further comprises a water separation sleeve, the water storage separation sleeve is provided with an inner side wall, the inner side wall extends into the water separation sleeve, and the position height of the water outlet is lower than the height of the top end of the inner side wall.

And the cross section area enclosed by the top end of the inner side wall is smaller than that of the water separation sleeve at the equal-height position.

The water storage spacer sleeve is provided with an outer side wall, and the outer side wall of the water storage spacer sleeve is matched with the wall of the water partition sleeve.

The outer side wall and the wall of the water-separating sleeve are integrally formed, or the outer side wall is sleeved on the outer side of the wall of the water-separating sleeve.

The wall of the water-separating sleeve is inwardly tightened to form a sleeve, the outer side wall and the sleeve are integrally formed, or the outer side wall is sleeved on the outer side of the sleeve.

Wherein, the outlet is arranged on the wall of the water separating sleeve or the water storage sleeve.

The air inlet device comprises an air inlet pipe and is characterized by further comprising an air inlet cap and/or an air inlet grid, the air inlet cap is sleeved at the top of the air inlet pipe, the air inlet grid is obliquely arranged, and an air inlet is formed in the side wall of the air inlet pipe.

According to the utility model provides a technical scheme has following beneficial effect: the section of the water storage spacer bush is U-shaped, so that the bottom surface of the water storage spacer bush is ensured to be closed, rainwater cannot leak to the air filter from the joint surface of the U-shaped water storage spacer bush and the pipe wall/water separating sleeve, and the service life of the filter element is prolonged; the U-shaped water storage spacer sleeve can be directly sleeved with the air inlet pipe/water separation sleeve, has simple structure and high operation efficiency, does not need to additionally use sealing materials or fasteners and the like, saves the labor cost for coating the sealing materials or assembling the fasteners, reduces the production cost and is suitable for mass production.

Drawings

Fig. 1 is a schematic sectional structure view of the air inlet pipe when the outer side wall of the water storage spacer and the pipe wall of the air inlet pipe are integrally formed.

Fig. 2 is a schematic sectional structure view of the air inlet pipe when the outer side wall of the water storage spacer sleeve is sleeved on the outer side of the sleeve joint barrel.

Fig. 3 is an enlarged view of a portion a in fig. 2.

FIG. 4 is a sectional view of an intake pipe according to another embodiment.

Fig. 5 is a schematic view of the overall structure of the intake system.

1 air inlet pipe, 10 sleeve barrels, 21 water outlets, 22 water storage spacer sleeves, 220 reinforcing ribs, 221 inner side walls, 222 outer side walls, 3 air inlet caps and 4 air inlet grids.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

referring to fig. 1 and 2, the engine air intake system with the water drainage assembly comprises an air intake pipe 1 and the water drainage assembly, wherein the water drainage assembly comprises a water drainage port 21 and a water storage spacer 22, the cross section of the water storage spacer 22 is U-shaped, and the water storage spacer 22 receives rainwater entering the air intake pipe 1. Preferably, the water storage spacer 22 is further provided with a reinforcing rib 220, and the reinforcing rib 220 can improve the mechanical strength of the water storage spacer 22, and simultaneously, the water storage spacer 22 can better resist the vibration caused by negative pressure and reduce noise. Preferably, for easier drainage, a drain pipe and/or a drain valve/drain bag may be provided at the drain opening 21 to better guide the drainage of rainwater.

Referring to fig. 1 and 2, the water storage spacer 22 has an inner sidewall 221, the inner sidewall 221 extends into the air inlet pipe 1, and the water outlet 21 is located at a height lower than the top end of the inner sidewall 221. Specifically, the water storage spacer 22 having a U-shaped cross section has an inner sidewall 221 and an outer sidewall 222 formed by extending upward from the U-shaped bent portion, respectively. Preferably, the water storage spacer 22 is provided at the bottom of the air intake pipe 1. Preferably, the inner side wall 221 of the water storage spacer 22 extends into the air inlet pipe 1 to form a lining structure, and a gap is left between the inner side wall and the pipe wall of the air inlet pipe 1 to form a U-shaped water storage tank, and water in the U-shaped water storage tank is discharged through the water outlet 21, and more preferably, the width of the U-shaped water storage tank is 5mm-10 mm. Preferably, the top end of the inner sidewall 221 may have different heights, and more preferably, the height of the top end of the inner sidewall 221 refers to the height of the top end of the lowest inner sidewall 221, and the height difference between the position height of the drain opening 21 and the top end of the inner sidewall 221 is 10mm-60 mm. Preferably, the axial direction of the intake pipe 1 is arranged in the vertical direction. Preferably, one side of the U-shaped reservoir extends outwardly and communicates with the drain opening 21. This kind of structural design can collect the rainwater that accumulates on the intake pipe 1 inner wall effectively, prevents to leak to empty filter department at the in-process that flows down along intake pipe 1 inner wall because of the rainwater that the negative pressure effect was broken up on the intake pipe 1 inner wall by the air current swirl to can discharge through outlet 21 well.

Referring to fig. 1 and 2, a cross-sectional area defined by the top end of the inner sidewall 221 is smaller than a cross-sectional area of the air inlet pipe 1 at a position of equal height, and the upper end of the inner sidewall 221 is inclined inward gradually. The structural design ensures that a gap is formed between the lining and the pipe wall of the air inlet pipe 1 at the equal-height position, namely the U-shaped water storage tank is formed. Preferably, the cross-sectional area diameter of the equal altitude position department intake pipe 1 of the cross-sectional area's that the inside wall 221 top was enclosed is little, the water capacity of catch basin has been guaranteed effectively to this kind of structural design, under the extreme weather condition such as meetting heavy rain, rainwater accumulation volume can reach more than 400ml, for satisfying above-mentioned drainage demand, need increase the water storage capacity of U type catch basin as far as possible on the basis of guaranteeing part stability, the upper end of inside wall 221 inwards slopes gradually for the upper end of U type catch basin forms bigger retaining space.

Referring to figures 1 and 2, the water storage spacer 22 has an outer side wall 222, the outer side wall 222 of the water storage spacer 22 cooperating with the wall of the air inlet pipe 1.

Referring to fig. 1 and 2, the outer sidewall 222 is integrally formed with the wall of the air inlet pipe 1, or the outer sidewall 222 is sleeved on the outer side of the wall of the air inlet pipe 1. Preferably, the outer sidewall 222 can be fastened, screwed, bonded, riveted, etc. to the outer side of the wall of the air inlet tube 1.

Referring to fig. 2 and 3, the wall of the air inlet pipe 1 is tightened inward to form the socket 10, and the outer sidewall 222 is integrally formed with the socket 10, or the outer sidewall 222 is sleeved on the outer side of the socket 10. Preferably, the outer sidewall 222 is provided with a snap, a screw thread, or a mounting location, etc. to facilitate further mounting of the air duct to the air filter.

Referring to fig. 1 and 2, the water outlet 21 is provided on the pipe wall of the air intake pipe 1 or the water storage spacer 22. Preferably, the drain port 21 is provided on the wall of the intake pipe 1, and when rainwater is inconvenient to drain, it is possible to store water by the drain bag and then periodically clean it.

In another embodiment, as shown in figure 4, the drain assembly further comprises a water compartment, the water storage compartment 22 has an inner side wall 221, the inner side wall 221 extends into the water compartment, and the drain opening 21 is located at a height lower than the top of the inner side wall 221. Specifically, the water storage spacer 22 having a U-shaped cross section has an inner sidewall 221 and an outer sidewall 222 formed by extending upward from the U-shaped bent portion, respectively. Preferably, the water storage spacer 22 is disposed at the bottom of the spacer. Preferably, the inner side wall 221 of the water storage spacer 22 extends into the water separation sleeve to form an inner lining structure, and a gap is reserved between the inner side wall and the wall of the water separation sleeve to form a U-shaped water storage tank, and water in the U-shaped water storage tank is discharged through the water discharge opening 21, and more preferably, the width of the U-shaped water storage tank is 5mm-10 mm. Preferably, the top end of the inner sidewall 221 may have different heights, and more preferably, the height of the top end of the inner sidewall 221 refers to the height of the top end of the lowest inner sidewall 221, and the height difference between the position height of the drain opening 21 and the top end of the inner sidewall 221 is 10mm-60 mm. Preferably, the axial direction of the water partition sleeve is arranged in the vertical direction. Preferably, one side of the U-shaped reservoir extends outwardly and communicates with the drain opening 21. The structural design can effectively collect rainwater accumulated on the inner wall of the water-proof sleeve, prevent rainwater scattered on the wall of the water-proof sleeve by airflow vortexes from leaking to the air filter in the process of flowing downwards along the wall of the water-proof sleeve due to negative pressure, and can be well discharged through the water outlet 21.

Referring to fig. 4, the top of the inner sidewall 221 defines a cross-sectional area that is smaller than the cross-sectional area of the water-blocking jacket at the level of the water. The structural design ensures that a gap is formed between the lining and the wall of the water separating sleeve at the equal-height position, namely the U-shaped water storage tank is formed. Preferably, the diameter of the cross-sectional area of the water separation sleeve at the position with the same height as the diameter of the cross-sectional area formed by the top end of the inner side wall 221 is small, the water capacity of the water storage tank is effectively guaranteed through the structural design, when extreme weather conditions such as heavy rain occur, the storage capacity of rainwater can reach more than 400ml, in order to meet the drainage requirement, the water storage capacity of the U-shaped water storage tank needs to be increased as much as possible on the basis of guaranteeing the stability of the components, and more preferably, the upper end of the inner side wall 221 is inwards inclined gradually, so that a larger water storage space is formed at the upper end of the U-shaped water storage.

Referring to FIG. 4, the water storage spacer 22 has an outer sidewall 222, the outer sidewall 222 of the water storage spacer 22 mating with the wall of the spacer.

Referring to FIG. 4, the outer wall 222 is integrally formed with the wall of the water compartment, or the outer wall 222 is fitted over the outside of the wall of the water compartment. Preferably, the outer wall 222 can be snapped, screwed, glued, riveted, etc. to the outside of the wall of the water barrier.

Referring to fig. 4, the wall of the water-proof sleeve is tightened inward to form the socket 10, and the outer sidewall 222 is integrally formed with the socket 10, or the outer sidewall 222 is sleeved outside the socket 10.

Referring to fig. 4, the drain opening 21 is provided in the wall of the water blocking sleeve or the water storage sleeve 22. Preferably, the water outlet 21 is provided on the wall of the water-proof jacket, so that when rainwater is inconvenient to drain, the rainwater can be stored by the water bag and then cleaned periodically, and more preferably, an outlet corresponding to the water outlet 21 is further provided on the pipe wall of the air intake pipe 1 so as to discharge the rainwater.

Referring to fig. 5, the air inlet device further comprises an air inlet cap 3 and/or an air inlet grid 4, the air inlet cap 3 is sleeved on the top of the air inlet pipe 1, the air inlet grid 4 is obliquely arranged, and an air inlet is formed in the side wall of the air inlet pipe 1. The air inlet cap is sleeved on the top of the air inlet pipe, so that large raindrops and large-particle impurities can be effectively filtered. The air inlet grid is obliquely arranged, and large raindrops can be screened out by utilizing the oblique angle.

Although specific embodiments of the present invention have been described above, those skilled in the art may make modifications to the present invention without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims (14)

1. An engine air intake system with drainage subassembly, includes intake pipe and drainage subassembly, its characterized in that: the drainage component comprises a water outlet and a water storage spacer bush, the section of the water storage spacer bush is U-shaped, and the water storage spacer bush receives rainwater entering the air inlet pipe.

2. The engine air intake system with the water drain assembly of claim 1, wherein: the retaining spacer has the inside wall, the inside wall stretches into in the intake pipe, the position height in outlet is less than the height on inside wall top.

3. The engine air intake system with the water drain assembly of claim 2, wherein: the cross-sectional area that the inside wall top encloses is less than the cross-sectional area of equal altitude position department intake pipe, the upper end of inside wall inwards slopes gradually.

4. The engine air intake system with the water drain assembly according to any one of claims 1 to 3, characterized in that: the water storage spacer sleeve is provided with an outer side wall, and the outer side wall of the water storage spacer sleeve is matched with the pipe wall of the air inlet pipe.

5. The engine air intake system with the water drain assembly of claim 4, wherein: the outer side wall and the pipe wall of the air inlet pipe are integrally formed, or the outer side wall is sleeved on the outer side of the pipe wall of the air inlet pipe.

6. The engine air intake system with the water drain assembly of claim 5, wherein: the pipe wall of the air inlet pipe is inwardly tightened to form a sleeve joint barrel, the outer side wall and the sleeve joint barrel are integrally formed, or the outer side wall is sleeved on the outer side of the sleeve joint barrel.

7. The engine air intake system with the water drain assembly of claim 1, wherein: the water outlet is arranged on the pipe wall of the air inlet pipe or the water storage partition sleeve.

8. The engine air intake system with the water drain assembly of claim 1, wherein: the drainage assembly further comprises a water separation sleeve, the water storage spacer sleeve is provided with an inner side wall, the inner side wall extends into the water separation sleeve, and the position height of the water outlet is lower than the height of the top end of the inner side wall.

9. The engine air intake system with the water drain assembly of claim 8, wherein: the cross-sectional area enclosed by the top end of the inner side wall is smaller than that of the water separation sleeve at the equal-height position.

10. The engine air intake system with the water drain assembly of claim 8 or 9, wherein: the water storage spacer sleeve is provided with an outer side wall, and the outer side wall of the water storage spacer sleeve is matched with the wall of the water separation sleeve.

11. The engine air intake system with the water drain assembly of claim 10, wherein: the outer side wall and the wall of the water-separating sleeve are integrally formed, or the outer side wall is sleeved on the outer side of the wall of the water-separating sleeve.

12. The engine air intake system with the water drain assembly of claim 11, wherein: the wall of the water-separating sleeve is inwardly tightened to form a sleeve joint barrel, and the outer side wall and the sleeve joint barrel are integrally formed or sleeved outside the sleeve joint barrel.

13. The engine air intake system with the water drain assembly of claim 8, wherein: the water outlet is arranged on the wall of the water separating sleeve or the water storage sleeve.

14. The engine air intake system with the water drain assembly of claim 1, wherein: still include the cap and/or the grid of admitting air, the cap cover of admitting air is established the top of intake pipe, the grid slope that admits air sets up, be provided with the air inlet on the lateral wall of intake pipe.

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