CN221195234U - Engine air inlet pipeline assembly - Google Patents

Abstract

The utility model relates to the technical field of engine air inlet systems, in particular to an engine air inlet pipeline assembly, which comprises: the air inlet cover is provided with an air inlet for air to enter, and is arranged on the upper side of the air inlet part; the air inlet part is provided with a filter element for filtering air, and the rear side of the air inlet part is fixedly connected with an air inlet pipe; the liquid draining part is used for draining liquid entering the assembly, the liquid draining part is arranged at the lower side of the air inlet part, the porous plate of the air inlet cover is arranged, the liquid entering the air inlet cover is prevented from directly rushing to the filter element, the impact of the liquid on the filter element is reduced by the diversion of the plurality of through grooves, the inverted U-shaped liquid draining pipe of the liquid draining part forms a siphon effect, when the liquid in the liquid draining part exceeds the liquid draining pipe, the liquid is pumped out of the liquid draining part under the siphon effect of the liquid draining pipe, and the arrangement of the sealing door also prevents the external liquid or air from entering.

Description

Engine air inlet pipeline assembly

Technical Field

The utility model relates to the technical field of engine air inlet systems, in particular to an engine air inlet pipeline assembly.

Background

The engine is one of the most important parts of an automobile, when the automobile is waded, because the air inlet system of the engine is communicated with the internal structure of the engine, and the air inlet is usually not high relative to the ground, in particular to a car, the air inlet is lower, therefore, when the automobile passes through a water accumulation section, water waves jacked by the head of the automobile can enter the interior of the engine through the air inlet system, so that the engine is damaged, and moreover, the engine is seriously damaged, because of the incompressibility of water, the piston movement stroke can be shortened, so that an engine connecting rod is bent or broken, and under extreme conditions, the broken connecting rod flies out to break a cylinder body;

In practice, much water entering the engine is not completely diffused through the water inlet, but when the vehicle passes through the water accumulation section, the water accumulation can swing higher waves than the water accumulation under the impact of the vehicle, and the water enters the air inlet due to the surge of the waves, so that the actual water inflow of the air inlet is not large, and is not continuous, a small amount of water vapor enters the engine to burn along with gasoline, so that the engine is not greatly influenced, but if the liquid flows in, the engine is fatal.

Therefore, how to prevent the water from rushing into the engine due to the water rushing, and how to reduce the occurrence of the situation that the engine is flameout or even damaged due to the water rushing into the engine caused by the water rushing into the engine is a problem to be solved urgently, and therefore, an engine air inlet pipeline assembly is provided for solving the water inlet problem of the engine air inlet system.

Disclosure of utility model

The utility model aims to provide an engine air inlet pipeline assembly so as to solve the problem that the engine provided in the background art is fed with water through an air inlet system.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an engine air intake conduit assembly comprising:

The air inlet cover is provided with an air inlet for air to enter, and is arranged on the upper side of the air inlet part;

The air inlet part is provided with a filter element for filtering air, and the rear side of the air inlet part is fixedly connected with an air inlet pipe;

And the liquid discharging part is used for discharging liquid entering the assembly, is arranged at the lower side of the air inlet part and is communicated with the air inlet part.

Preferably, the support frame is arranged in the air inlet, the support frame is obliquely and fixedly arranged on the inner side of the air inlet, one end, close to the air inlet, of the support frame is high, one side, far away from the air inlet, of the support frame is low, the filter element is fixedly arranged on the support frame, and the air inlet is located on the lower portion of the filter element.

Preferably, the air inlet cover is of a hollow structure, an air inlet is formed in the front side of the air inlet cover, a porous plate is arranged at the bottom of the air inlet cover, and the porous plate is provided with a plurality of through grooves penetrating through the porous plate.

Preferably, a drain pipe is installed at the bottom of the drain part.

Preferably, the liquid discharge pipe is provided with a channel with an inverted U-shaped structure, a liquid inlet of the liquid discharge pipe is positioned in the liquid discharge part, a liquid outlet of the liquid discharge pipe is positioned on the outer side of the liquid discharge part, and the height of the liquid inlet is higher than that of the liquid outlet.

Preferably, the liquid inlet is connected with the inner side of the liquid discharge part through a sealing door, the sealing door is in one-way conduction, and the sealing door prevents liquid from entering the liquid discharge part from the liquid inlet.

Preferably, the upper portion of closing the door is connected with the inlet rotation, the lower part of closing the door sets up by the blend stop, blend stop fixed mounting is in flowing back portion bottom, the blend stop restriction closes the door and opens to the direction of keeping away from the inlet.

Preferably, one side of the sealing door close to the liquid inlet is provided with a tilted block.

Preferably, the middle part of the joint of the liquid draining part and the air inlet part is provided with a surge prevention plate I, one side of the surge prevention plate I faces towards the air inlet pipe, and the surge prevention plate I penetrates through two sides of the air inlet part.

Preferably, a surge prevention plate II is arranged on one side, close to the air inlet pipe, of the upper part of the liquid discharge part.

Compared with the prior art, the utility model provides an engine air inlet pipeline assembly. The beneficial effects are as follows:

1. The porous plate of the air inlet cover is arranged, so that liquid entering the air inlet cover is prevented from directly rushing to the filter element, but is shunted down through the plurality of through grooves, and the impact of the liquid on the filter element is reduced.

2. The filter core slope sets up, at first, cater for the air from the preceding top of filter core, do benefit to the filter core and pass through the air fast, provide sufficient air for the engine, secondly cooperate with the perforated plate of air inlet cover, when liquid is got into, the liquid through the liquid measure of the logical groove on the perforated plate nearest to the air inlet is the biggest, but equally, the space that this logical inslot is the biggest apart from the filter core, can effectually increase liquid buffer space, the logical groove that keeps away from the air inlet has flowed a large amount of liquid through the logical groove of front side, so the liquid through measure is few, can be near some from the filter core, the liquid flow direction of its surface also can be made to the air inlet direction to keep away from the intake pipe direction to the filter core of slope, prevented that liquid from getting into the intake pipe.

3. When the liquid in the liquid discharge part exceeds the liquid discharge pipe, the liquid can be pumped out of the liquid discharge part under the siphon effect of the liquid discharge pipe, and the arrangement of the sealing door also prevents the outside liquid or air from entering.

4. The anti-surge plate effectively reduces the risk that when certain accumulated liquid exists in the liquid discharge part, the vehicle shakes to enable the accumulated liquid to shake and enter the air inlet pipe.

Drawings

FIG. 1 is a schematic diagram of the structure of the present application;

FIG. 2 is a cross-sectional view of the present application;

FIG. 3 is a partial enlarged view of FIG. 2;

FIG. 4 is another embodiment of FIG. 3;

FIG. 5 is a partial enlarged view of FIG. 2;

FIG. 6 is a schematic view of the structure of the bottom of the liquid discharge portion of the present application;

FIG. 7 is a partial enlarged view of FIG. 6;

FIG. 8 is a schematic view of the structure of the present application with the air intake cover removed;

FIG. 9 is a schematic view of the structure of the air intake cover of the present application;

FIG. 10 is a schematic view of the structure of the application with the air intake cover and the filter element removed.

In the figure: 1. an air inlet cover 101, an air inlet 102, a porous plate 1021, a through slot 103 and a reinforcing plate,

2. An air inlet part, 201 and a supporting frame,

3. A liquid discharge part 301, a liquid discharge pipe 3011, a liquid inlet 3012, a liquid outlet 3013, a door seal 3014, a baffle strip 3015, a tilting block 3016, a Tesla valve 302, a surge prevention plate I, 303 and a surge prevention plate II,

4. The air inlet pipe is provided with a plurality of air inlet pipes,

5. A filter element.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly attached, detachably attached, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

In this context, unless specifically described as shown in the drawings, references herein to front, rear, up, down, etc., are made directly herein, wherein "front" means a direction approaching the intake port 101, "rear" means a direction approaching the intake pipe 4, and "up" means a direction approaching the intake cover 1, and "down" means a direction approaching the drain 3.

Referring to fig. 1-10, the present utility model provides a technical solution: an engine air intake conduit assembly comprising:

An air inlet cover 1, which is provided with an air inlet 101 for air to enter, wherein the air inlet cover 1 is arranged on the upper side of the air inlet part 2, is generally detachably arranged, and is used for opening and replacing a filter element 5 in the air inlet part 2; the air inlet 101 is also the primary inlet for liquid into the air intake conduit assembly;

The air inlet part 2 is provided with a filter element 5 for filtering air, the filter element 5 mainly filters impurities and dust in the air, so that relatively clean air enters the engine, the rear side of the air inlet part 2 is fixedly connected with an air inlet pipe 4, and the air inlet pipe 4 inputs the air into the engine through an air inlet manifold and the like;

The liquid draining part 3 is used for draining liquid entering the assembly, when the liquid enters the air inlet part 2 through the air inlet 101, a large amount of liquid enters the liquid draining part 3 downwards under the action of gravity after the liquid passes through the filter element 5, only a small amount of water vapor enters the engine under the negative pressure of the air inlet pipe 4, and after a small amount of water vapor enters the engine, the influence on the engine is very little, the water vapor is generally discharged together with the explosive combustion of fuel (such as gasoline), the liquid draining part 3 is arranged at the lower side of the air inlet part 2, and the liquid draining part 3 is communicated with the air inlet part 2.

In some embodiments, a support frame 201 is provided in the air inlet 2 for fixedly mounting the filter element 5, the support frame 201 is obliquely and fixedly mounted on the inner side of the air inlet 2, the support frame 201 and the air inlet 2 are integrally designed, one end of the support frame 201 close to the air inlet 4 is high, one side of the support frame 201 far away from the air inlet 4 is low, the filter element 5 is obliquely arranged, corresponds to the position of the air inlet 101 and is used for catering for air from the front upper side of the filter element 5, the filter element 5 is facilitated to pass through the air quickly, the support frame 201 is fixedly mounted with the filter element 5, the air inlet 4 is positioned at the lower part of the filter element 5, and the air above the filter element 5 is filtered and then is input into the air inlet 4 below.

In some embodiments, the air inlet cover 1 is not just provided with one air inlet 101, but the air inlet cover 1 is provided with the air inlet 101 at the front side of the air inlet cover 1, air entering through the air inlet 101 enters the hollow structure of the air inlet cover, then the bottom of the air inlet cover 1 is provided with a porous plate 102, the porous plate 102 is provided with a plurality of through grooves 1021 penetrating the porous plate 102 up and down, the through grooves 1021 penetrating the porous plate 102 are communicated with the inside and the outside of the hollow structure of the air inlet cover 1, the porous plate 102 is used for circulating air, and through the arrangement, when liquid is flushed into the air inlet 101, the liquid enters the hollow structure first and then flows into the air inlet part 2 through the through grooves 1021, so that the liquid is prevented from impacting the filter element 5, the energy of the liquid is reduced, the liquid is prevented from splashing in the air inlet part 2, and further, a reinforcing plate 103 is arranged above the porous plate 102, and the strength of the air inlet cover 1 and the porous plate 102 is increased.

In some embodiments, the drain 301 is installed at the bottom of the drain 3, where the drain 301 may be a one-way valve, allowing the liquid to drain from the inside of the drain 3 to the outside of the drain 3 in one direction, or may be an electronically controlled valve, that is, a sensor is disposed in the drain 3, to detect whether the liquid is in the drain 3, and when the liquid is detected, the electronically controlled valve is controlled by the sensor to open the liquid in the drain 3.

In some embodiments, as shown in fig. 2-4, a mechanical liquid discharge tube 301 is provided, the liquid discharge tube 301 has an inverted U-shaped channel, a liquid inlet 3011 of the liquid discharge tube 301 is located inside the liquid discharge portion 3, a liquid outlet 3012 of the liquid discharge tube 301 is located outside the liquid discharge portion 3, the liquid inlet 3011 is higher than the liquid outlet 3012, after the liquid overflows the liquid discharge tube 301, the liquid discharge tube 301 with the above structure forms a siphon effect, and the liquid is sucked and discharged from the inside of the liquid discharge portion 3, further, the liquid outlet 3012 may be connected to a growing pipeline, so as to increase the siphon effect of the liquid discharge tube 301, and the liquid outlet 3012 may also be provided with a filter screen, so as to prevent sediment from entering the liquid discharge tube 301 through the liquid outlet 3012, in some preferred embodiments, as shown in fig. 4, the structure in the liquid discharge tube 301 is a tesla valve 3016 structure, and the tesla valve 3016: the passive one-way conduction valve with a fixed geometric shape can enable fluid to circulate unidirectionally, and the disadvantage that the traditional valve is easy to damage due to the fact that movable parts are needed is effectively solved, so that external air or liquid is effectively prevented from entering the liquid discharge part 3 through the liquid discharge pipe 301.

In some embodiments, the liquid inlet 3011 is connected to the inner side of the liquid draining part 3 through a sealing door 3013, the sealing door 3013 is in one-way conduction, the sealing door 3013 prevents liquid from entering the liquid draining part 3 from the liquid inlet 3011, and the sealing door 3013 plays a role of a one-way valve, so that external air or liquid is effectively prevented from entering the liquid draining part 3 through the liquid draining pipe 301.

In some embodiments, as shown in fig. 5, a specific structure of a sealing door 3013 is provided, an upper portion of the sealing door 3013 is rotatably connected with a liquid inlet 3011, a lower portion of the sealing door 3013 is provided with a barrier strip 3014, the barrier strip 3014 is fixedly installed at the bottom of the liquid outlet 3, the barrier strip 3014 limits the sealing door 3013 to open in a direction away from the liquid inlet 3011, the upper portion of the sealing door 3013 is rotatably connected, and can naturally droop under the action of gravity, and the sealing door 3013 is made of a material with a smaller density, such as engineering plastic, and has small opening and closing kinetic energy, so that the opening and closing are flexible.

In some embodiments, in order to prevent the sealing door 3013 from adhering to the liquid drain 301 after being opened, a tilting block 3015 is disposed on one side of the sealing door 3013 close to the liquid inlet 3011, so that the sealing door 3013 cannot be in contact with the liquid drain 301 or the liquid inlet 3011 in a large area to cause an adsorption adhesion phenomenon, and the sealing door 3013 is kept in a tilted state with the liquid drain 301 or the liquid inlet 3011 all the time after being opened by the tilting block 3015, so that the sealing door 3013 can be more flexibly sensed in the reverse flow (external flow to internal) condition of air or liquid, and can be rapidly closed.

In some embodiments, in order to prevent a large amount of liquid from suddenly entering the air inlet portion 2, a surge preventing plate i 302 is disposed in the middle of the connection portion between the liquid draining portion 3 and the air inlet portion 2, one side of the surge preventing plate i 302 faces the air inlet tube 4, the surge preventing plate i 302 penetrates through two sides of the air inlet portion 2, cuts off the path of the liquid flowing at the bottom of the air inlet portion 2, further, the upper portion of the surge preventing plate i 302 is not higher than the lower portion of the air inlet tube 4, and prevents the surge preventing plate i 302 from affecting the air inlet of the air inlet tube 4.

In some embodiments, as shown in fig. 10, since the liquid in the liquid draining portion 3 cannot be completely drained, a small amount of liquid remains in the liquid draining portion, but vapor formed by evaporation of the small amount of liquid has no influence on the engine, but in order to prevent the liquid from fluctuating during the running of the vehicle (for example, the vehicle accelerates, the liquid moves backward under the action of inertia), an anti-surge plate ii 303 is disposed on one side of the upper portion of the liquid draining portion 3 near the air inlet pipe 4, so as to prevent the liquid from splashing into the air inlet pipe 4 caused by the acceleration of the vehicle or the like.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. An engine air intake duct assembly, characterized by: comprising the following steps:

An air inlet cover (1) provided with an air inlet (101) for air to enter, the air inlet cover (1) being mounted on the upper side of the air inlet part (2);

An air inlet part (2) provided with a filter element (5) for filtering air, wherein the rear side of the air inlet part (2) is fixedly connected with an air inlet pipe (4);

the liquid draining part (3) is used for draining liquid entering the assembly, the liquid draining part (3) is arranged at the lower side of the air inlet part (2), and the liquid draining part (3) is communicated with the air inlet part (2).

2. An engine air intake duct assembly as set forth in claim 1 wherein: be provided with support frame (201) in portion of admitting air (2), the fixed mounting of support frame (201) slope is inboard in portion of admitting air (2), the one end that support frame (201) is close to intake pipe (4) is high, one side that intake pipe (4) was kept away from to support frame (201) is low, support frame (201) fixed mounting filter core (5), intake pipe (4) are located filter core (5) lower part.

3. An engine air intake duct assembly according to claim 1 or 2, wherein: the air inlet cover (1) is of a hollow structure, an air inlet (101) is formed in the front side of the air inlet cover (1), a porous plate (102) is arranged at the bottom of the air inlet cover (1), and the porous plate (102) is provided with a plurality of through grooves (1021) penetrating through the porous plate (102).

4. An engine air intake duct assembly as set forth in claim 1 wherein: a liquid discharge pipe (301) is arranged at the bottom of the liquid discharge part (3).

5. An engine air intake duct assembly as set forth in claim 4 wherein: the liquid discharge pipe (301) is provided with a channel with an inverted U-shaped structure, a liquid inlet (3011) of the liquid discharge pipe (301) is located in the liquid discharge part (3), a liquid outlet (3012) of the liquid discharge pipe (301) is located on the outer side of the liquid discharge part (3), and the height of the liquid inlet (3011) is higher than that of the liquid outlet (3012).

6. An engine air intake duct assembly as set forth in claim 5, wherein: the liquid inlet (3011) is connected with the inner side of the liquid discharge part (3) through a sealing door (3013), the sealing door (3013) is in one-way conduction, and the sealing door (3013) prevents liquid from entering the liquid discharge part (3) from the liquid inlet (3011).

7. An engine air intake duct assembly as set forth in claim 6 wherein: the upper portion of closing a door (3013) is connected with inlet (3011) rotation, the lower part of closing a door (3013) sets up by blend stop (3014), blend stop (3014) fixed mounting is in flowing back portion (3) bottom, blend stop (3014) restriction is closed a door (3013) and is opened to the direction of keeping away from inlet (3011).

8. An engine air intake duct assembly as set forth in claim 7 wherein: one side of the sealing door (3013) close to the liquid inlet (3011) is provided with a tilting block (3015).

9. An engine air intake duct assembly as set forth in claim 1 wherein: the liquid draining part (3) is provided with a surge prevention plate I (302) in the middle of the joint of the liquid draining part and the air inlet part (2), one side of the surge prevention plate I (302) faces the air inlet pipe (4), and the surge prevention plate I (302) penetrates through two sides of the air inlet part (2).

10. An engine air intake duct assembly according to claim 1 or 9, wherein: an anti-surge plate II (303) is arranged on one side, close to the air inlet pipe (4), of the upper part of the liquid discharge part (3).