CN213298150U - Novel high-position air inlet pipe structure of commercial vehicle - Google Patents

Abstract

The utility model relates to a novel high-position air inlet pipe structure of a commercial vehicle, which is assembled at the rear end of a cab and comprises a high-position air inlet pipe and a corrugated pipe connected to the lower part of the high-position air inlet pipe; the high-position air inlet pipe is characterized in that the interior of the high-position air inlet pipe is divided into an air inlet cavity and a resonance cavity, one side of the upper part of the air inlet cavity is communicated with the outside through an air inlet grille, and the lower part of the air inlet cavity is communicated with an air inlet base above an air filter through a corrugated pipe; a communicating pipeline is arranged between the air inlet cavity and the resonant cavity, and the two cavities are communicated through the communicating pipeline; and the bottom of the high-level air inlet pipe is provided with a water retaining ring and a dust exhaust bag. The utility model discloses a high-order inlet pipe structure can effectively prolong intake pipe system's life, ensures stability, security and the reliability of car operation process.

Description

Novel high-position air inlet pipe structure of commercial vehicle

Technical Field

The utility model relates to an empty filter intake pipe, especially a high-order intake pipe structure of commercial car belongs to commercial car air intake system technical field.

Background

As an air inlet channel of an engine, a high-level air inlet pipe is used for providing clean air for the engine in the running process of a vehicle, removing dust and water vapor as much as possible, improving the maintenance mileage of an air filter and providing durable power for the engine for driving and protecting the vehicle, and the performance of the vehicle is continuously improved along with the development of the society.

In the development process of a high-level air inlet pipe, the high-level air inlet pipe is traditionally placed at one side of an engine and the upper end of a longitudinal beam or the front end of the lower part of a cab, the high-level air inlet pipe is cylindrical in shape, and the high-level air inlet pipe is simple in shape. The engine basically meets the use requirements of the engines of the third country. The air filter is placed at the lower end of a cab or on a longitudinal beam, so that the air intake amount is small, the suction of dust splashed by wheels cannot be avoided, the dust storage capacity of the air filter is also a challenge, and the cylinder pulling of an engine can be caused seriously. Along with the development of the air inlet, the position and the shape of the air inlet are changed, the position is changed to the rear side of the cab, and the shape is changed from a cylinder shape to a flat shape which can be matched with the shape of the cab. Dust and moisture separation is still inefficient.

In view of the above, there is a need for an alternative solution to improve the efficiency of separating the engine dust and water vapor.

Disclosure of Invention

The utility model aims at solving the above problem, provide a novel high-order intake pipe structure of commercial car. The high-order inlet pipe structure has light in weight, and separation efficiency is high, can effectively be inhaled the shock attenuation along with taking the bellows, and adaptability is excellent, uses reliable stable structural feature.

In order to solve the above problems, the utility model adopts the following technical scheme:

a novel high-position air inlet pipe structure of a commercial vehicle is assembled at the rear end of a cab and comprises a high-position air inlet pipe and a corrugated pipe connected to the lower part of the high-position air inlet pipe; the air filter is characterized in that the interior of the high-position air inlet pipe is divided into an air inlet cavity and a resonance cavity, one side of the upper part of the air inlet cavity is communicated with the outside through an air inlet grille, and the lower part of the air inlet cavity is communicated with an air inlet base above the air filter through a corrugated pipe;

a communicating pipeline is arranged between the air inlet cavity and the resonant cavity, and the two cavities are communicated through the communicating pipeline;

and the bottom of the high-level air inlet pipe is provided with a water retaining ring and a dust exhaust bag.

The high-level air inlet pipe is formed by adopting TPV material through blow molding.

The corrugated pipe is connected with the high-position air inlet pipe in a clamping manner.

The air inlet grille is fixedly riveted with the high-position air inlet pipe, a filter screen is clamped between the air inlet grille and an air inlet cavity of the high-position air inlet pipe, and the filter screen is made of porous felt.

The water retaining ring is welded at the bottom of the high-position air inlet pipe, and the upper surface of the water retaining ring is higher than the bottom surface of the high-position air inlet pipe.

And a nylon framework is arranged in the corrugated pipe.

The bottom surface of the high-position air inlet pipe is an inclined plane with a certain inclination angle, the dust exhaust bag is positioned at the lower position of the bottom surface of the high-position air inlet pipe, and the bottom of the dust exhaust bag is designed to be of a flat opening structure.

The resonant cavity and the air inlet pipe body are integrally formed through blow molding.

The utility model discloses a novel high-order intake pipe structure of commercial car adopts the TPV material as the body material to make the body possess good elasticity and resistant compression deformability with the help of the material characteristic, the resistant environment of TPV material, ageing-resistant performance are equivalent to the EPDM, and its resistant oily solvent resistance is not upper and lower with general type chloroprene rubber simultaneously. Because of its excellent processing property, the utility model discloses a processing method processing that high-order intake pipe body can use the blowing thermoplasticity plastics. The TPV material has light specific gravity, and the weight of the pipe body can be greatly reduced by forming the TPV material into the air inlet pipe. The bellows is designed at the lower end of the high-level air inlet pipe for damping, so that the problem of shock absorption can be effectively solved. In addition, the nylon skeleton is additionally arranged in the corrugated pipe, so that the lateral extrusion resistance of the corrugated pipe can be effectively improved, the corrugated pipe is not easy to deform, and preparation is made for the process of turning over a cab. The water retaining ring welded at the lower end of the high-position air inlet pipe can effectively isolate water flowing down along the pipe body of the high-position air inlet pipe and discharges the water to the outside of the high-position air inlet pipe, the resonant cavity is additionally arranged on the high-position air inlet pipe, air is pumped by an air brake engine inflating pump to have an obvious noise reduction effect, and resonance of the high-position air inlet pipe caused by surge of the inflating pump is reduced. The combination of several means above can ensure the utility model discloses a pipeline reaches best service environment and user state to prolong intake pipe system's life, ensure stability, security and the reliability of car operation process.

Drawings

FIG. 1 is a schematic structural view of an intake pipe of a new high-level engine according to a first embodiment;

in the figure, 1, a high-position air inlet pipe, 1a, an air inlet cavity, 1b, a resonant cavity, 1c, a communicating pipeline, 11, an air inlet grille, 12, a dust exhaust bag, 13, a water retaining ring, 14, a nylon framework, 15 and a corrugated pipe.

Detailed Description

The technical solutions of the embodiments of the present application are clearly and completely described below with reference to the drawings of the present application, and the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments.

Example one

The novel engine intake pipe structure of the commercial vehicle comprises a high-position intake pipe 1 formed by blow molding of TPV (thermoplastic vulcanizate) materials and a corrugated pipe 15 fixedly connected to the bottom of the high-position intake pipe 1 in a clamping manner, wherein the interior of the high-position intake pipe 1 is divided into an intake cavity 1a and a resonance cavity 1b, and the two cavities are communicated through a middle communication pipeline 1 c; an air inlet end is arranged on one side of the upper portion of the air inlet cavity 1a, an air inlet grille 11 with a filter screen is installed at the air inlet end, an air outlet end connected with the corrugated pipe 15 is arranged on the lower portion of the air inlet cavity 1a, and the lower end of the corrugated pipe 15 is connected with an air inlet base above the air filter. The bottom of high-order intake pipe 1 has breakwater ring 13 and dust exhaust bag 12 respectively, the upper surface of breakwater ring 13 is higher than the bottom surface of high-order intake pipe 1, and welds as an organic wholely between it and the high-order intake pipe, and it is used for effectively isolating the moisture that flows down along the high-order intake pipe wall to go out to the outside of high-order intake pipe 1. The dust exhaust bag 12 is installed at one side of the bottom of the high-position air inlet pipe 1 and used for exhausting moisture and dust on the inner wall of the pipe body. The air inlet grille 11 and the high-level air inlet pipe 1 are connected in a riveting mode, and porous felts are selected as filter screen materials of the air inlet grille 11 and are clamped between the high-level air inlet pipe 1 and the air inlet grille 11. The interior of the corrugated pipe 15 is provided with a nylon skeleton 14, and the nylon skeleton 14 in the corrugated pipe 15 is clamped in the corrugated pipe 15 through assembly. The resonant cavity 1b and the high-position air inlet pipe are integrated and are realized in the blow molding process.

The high-order intake pipe structure of this embodiment, mounted position is higher, and is great with the ground difference of height, can effectively completely cut off the dust on road surface, and increases the filter screen in air-inlet grille department, effectively completely cuts off dust and steam, drop of water. The water retaining ring and the dust exhaust bag are added in the air inlet channel, and are second barriers for isolating water vapor and dust. The utility model discloses comparing traditional engine intake pipe structure, the innovative TPV blowing process shaping that adopts, considering the limitation of technology, the manger plate ring welding of this embodiment forms, and air-inlet grille adopts rivet and this body coupling of high-order intake pipe with the filter screen, and the resonant cavity is the integrative completion of high-order intake pipe body blow molding, and the dust exhaust bag passes through the clamp installation, and the bellows passes through the clamp installation, and nylon skeleton inlays in the bellows ripple.

The high-position air inlet pipe structure of the above embodiment has the advantages and characteristics that:

1. the filter screen is added in the air inlet grille, so that water drops can be effectively isolated, and the product filtering efficiency is improved.

2. The high-level air inlet pipe is additionally provided with the air inlet resonant cavity, and the air inlet resonant cavity is formed in one step, so that the air inlet shock of the air inlet pipe of the inflating pump can be effectively reduced.

3. The dust exhaust bag is added to the high-position air inlet pipe body, so that moisture and dust in the air inlet process can be effectively removed, the product filtering efficiency is improved, and the influence of moisture on the air filter element is reduced as much as possible.

4. The high-order intake pipe increases the water retaining ring, can effectively get rid of the moisture and the dust of the in-process of admitting air, promotes product filtration efficiency, and the influence of minimize moisture to the air cleaner filter core.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.

Claims (9)

1. A novel high-position air inlet pipe structure of a commercial vehicle is assembled at the rear end of a cab and comprises a high-position air inlet pipe and a corrugated pipe connected to the lower part of the high-position air inlet pipe; the high-position air inlet pipe is characterized in that the interior of the high-position air inlet pipe is divided into an air inlet cavity and a resonance cavity, one side of the upper part of the air inlet cavity is communicated with the outside through an air inlet grille, and the lower part of the air inlet cavity is communicated with an air inlet base above an air filter through a corrugated pipe;

a communicating pipeline is arranged between the air inlet cavity and the resonant cavity, and the two cavities are communicated through the communicating pipeline;

and the bottom of the high-level air inlet pipe is provided with a water retaining ring and a dust exhaust bag.

2. The new high intake duct structure for commercial vehicle as claimed in claim 1,

the high-level air inlet pipe is formed by adopting TPV material through blow molding.

3. The new high intake duct structure for commercial vehicle as claimed in claim 1,

the corrugated pipe is connected with the high-position air inlet pipe in a clamping manner.

4. The new high intake duct structure for commercial vehicle as claimed in claim 1,

and the air inlet grille and the high-position air inlet pipe are riveted and fixed.

5. The new high intake duct structure for commercial vehicle as claimed in claim 1,

and a filter screen is clamped between the inner side of the air inlet grille and the air inlet cavity of the high-position air inlet pipe.

6. The new high intake manifold structure of commercial vehicle as claimed in claim 1, wherein

The water retaining ring is welded at the bottom of the high-position air inlet pipe, and the upper surface of the water retaining ring is higher than the bottom surface of the high-position air inlet pipe.

7. The new high intake manifold structure of commercial vehicle as claimed in claim 1, wherein

And a nylon framework is arranged in the corrugated pipe.

8. The new high intake manifold structure of commercial vehicle as claimed in claim 1, wherein

The bottom surface of the high-position air inlet pipe is an inclined plane with a certain inclination angle, the dust exhaust bag is positioned at the lower position of the bottom surface of the high-position air inlet pipe, and the bottom of the dust exhaust bag is designed to be of a flat opening structure.

9. The new high intake manifold structure of commercial vehicle as claimed in claim 1, wherein

The resonant cavity and the air inlet pipe body are integrally formed through blow molding of TPV materials.

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