CN205315172U - Engine and air inlet hose and car thereof - Google Patents

Abstract

The utility model discloses an air intake hose, which comprises an air intake hose body and a quarter-wavelength tube. One end of the air intake hose body is provided with an air inlet for connecting the outlet of an air filter. The other end of the air intake hose body is provided with an air outlet for connecting to the throttle body of the engine, and the quarter wavelength tube communicates with the side wall of the air intake hose body and is located on the air intake on the pipe section at the mouth end. Since this scheme adds a quarter-wavelength tube to the intake hose, the intake volume at the intake port is increased, so that the sound wave reflected by high-frequency noise and the intake sound wave can meet at the peak and trough. This minimizes the high-frequency noise of the intake system. The utility model also discloses an engine comprising the air intake hose and an automobile.

Description

A kind of engine and its intake hose and a kind of automobile

technical field

The utility model relates to the technical field of engines, in particular to an engine, an air intake hose thereof and an automobile.

Background technique

With the continuous improvement of consumers' requirements for vehicle comfort, vehicle NVH (noise, vibration and harshness - the English abbreviation of Noise, Vibration, Harshness) performance has become one of the important indicators for consumers to evaluate vehicle quality. The noise of the air system is one of the main sources of vehicle noise. In the prior art, due to structural design defects of the intake hose, the high-frequency noise of the intake system is relatively large.

Therefore, how to reduce or eliminate the high-frequency noise of the intake system is a technical problem that those skilled in the art need to solve.

Utility model content

The first object of the present utility model is to provide an intake hose for reducing or eliminating high-frequency noise of the intake system. The other two objectives of the present utility model are to provide an engine and a vehicle including the above air intake hose.

An air intake hose, comprising an air intake hose body and a quarter-wavelength tube, one end of the air intake hose body is provided with an air inlet for connecting to the outlet of an air filter, and the air intake soft The other end of the tube body is provided with an air outlet for connecting the engine throttle body, the quarter-wavelength tube communicates with the side wall of the intake hose body and is located on the pipe section at one end of the air intake port .

Preferably, in the above-mentioned intake hose, the quarter-wavelength tube is arranged in parallel with the tube section at one end of the intake port.

Preferably, in the above air intake hose, the length of the quarter-wavelength tube is 160mm-230mm.

Preferably, in the above air intake hose, the length of the quarter-wavelength tube is 230mm.

Preferably, in the above-mentioned intake hose, one end of the quarter-wavelength tube communicates with the body of the intake hose through a connecting tube, and the tube body of the quarter-wavelength tube wraps around the connecting tube. The axis of the pipe is rotated by a preset angle toward the air outlet.

Preferably, in the above air intake hose, the preset angle is 10°.

An engine comprising the intake hose as described in any one of the above.

An automobile comprising the engine as described above.

The air intake hose provided by the utility model includes an air intake hose body and a quarter-wavelength tube, and one end of the air intake hose body is provided with an air inlet for connecting the outlet of an air filter. The other end of the intake hose body is provided with an air outlet for connecting to the throttle body of the engine, and the quarter-wavelength tube communicates with the side wall of the intake hose body and is located at one end of the air intake on the pipe section. Since this scheme adds a quarter-wavelength tube to the intake hose, the intake volume at the intake port is increased, so that the sound wave reflected by high-frequency noise and the intake sound wave can meet at the peak and trough. This minimizes the high-frequency noise of the intake system.

The utility model also provides an engine, comprising the air intake hose as described above. The derivation process of the beneficial effect produced by the engine is generally similar to the derivation process of the beneficial effect brought by the above-mentioned intake hose, so it will not be repeated here.

The utility model also provides an automobile, including the above-mentioned engine. The derivation process of the beneficial effect produced by the automobile is generally similar to the derivation process of the beneficial effect brought by the above-mentioned intake hose, so it will not be repeated here.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a schematic structural view of the intake hose in Embodiment 1 of the utility model;

Fig. 2 is the left view of Fig. 1;

Fig. 3 is the top view of Fig. 1;

Fig. 4 is a schematic structural view of the intake hose in the second embodiment of the utility model;

Fig. 5 is the left view of Fig. 4;

Fig. 6 is the top view of Fig. 4;

Fig. 7 is a schematic structural diagram of the intake hose in Embodiment 3 of the present utility model;

Fig. 8 is the left view of Fig. 7;

FIG. 9 is a top view of FIG. 7 .

In Figure 1 to Figure 9:

1-intake hose body, 2-air outlet, 3-crankcase ventilation pipe, 4-air intake, 5-quarter wave tube.

detailed description

The core of the utility model is to provide an intake hose, which is used to reduce or eliminate the high-frequency noise of the intake system.

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Embodiment one

Please refer to Fig. 1 to Fig. 3, Fig. 1 is a schematic structural diagram of the intake hose in Embodiment 1 of the present utility model, Fig. 2 is a left view of Fig. 1, and Fig. 3 is a top view of Fig. 1 .

In this embodiment, the utility model provides an air intake hose, which includes an air intake hose body 1 and a quarter-wavelength tube 5, wherein the front end of the air intake hose body 1 is an air intake Port 4, the air inlet 4 is connected to the outlet of the air filter, the rear end of the air intake hose body 1 is the air outlet 2, the air outlet 2 is connected to the throttle body of the engine, and the quarter-wavelength tube 5 is connected to the air intake The side wall of the hose body 1 is also located on the pipe section at one end of the air inlet 4 . Specifically, a crankcase ventilation pipe 3 is also connected to the side of the intake hose body 1 . After the air is filtered from the air filter, it enters the intake hose, and the clean air is poured into the engine through the intake hose, and the crankcase ventilation pipe 3 on the side of the intake hose body 1 guides the oil vapor in the crankcase into The intake pipe participates in combustion, which improves the utilization rate of exhaust gas.

Since this scheme adds a quarter-wavelength tube 5 to the intake hose, compared with the intake hose without a quarter-wavelength tube in the prior art, this scheme increases the intake port 4 The intake volume at the position can make the sound wave reflected by the high-frequency noise and the intake sound wave just meet at the peak and trough. Through the test analysis and verification, it can effectively reduce the high-frequency noise of the intake system.

It should be noted that the intake hose body 1 is a curved tube body structure, and the quarter-wavelength tube 5 is arranged on the tube section close to the air inlet 4 and arranged parallel to the tube section at one end of the air inlet 4, as shown in the figure 1 to 3 are shown. Such setting can save the arrangement space of the intake hose.

Embodiment two

Please refer to FIG. 4 to FIG. 6 , in this embodiment, the length of the quarter-wavelength tube 5 is optimized. Preferably, the length of the quarter-wavelength tube 5 in this embodiment is 160 mm to 230 mm, and more preferably, the length of the quarter-wavelength tube 5 is limited to 230 mm. Compared with the intake hose in Embodiment 1, this solution increases the length of the quarter-wavelength tube 5 structurally, which can further increase the intake volume at the intake port 4, thereby further reducing the intake volume. The high-frequency noise of the system has been verified by experiments to have an obvious noise reduction effect.

Embodiment Three

Please refer to Fig. 7 to Fig. 9, since the distance between the quarter-wavelength tube 5 before optimization and the sheet metal of the dash panel of the car body is very small, there is a risk of interference, and collision impact noise will be generated during the driving of the car, which will affect the ride comfort. Therefore, in the solution of this embodiment, the installation angle of the quarter-wavelength tube 5 is optimized. Specifically, one end of the quarter-wavelength tube 5 in the present invention communicates with the intake hose body 1 through a connecting tube. The tube body of one of the wavelength tubes 5 rotates around the axis of the connecting tube toward the direction of the gas outlet 2 by a predetermined angle. More preferably, in this embodiment, the preset angle is set to 10°. In this way, compared with the above two embodiments, this solution adjusts the installation angle of the quarter-wavelength tube 5, that is, it rotates 10° toward the air outlet 2, making full use of the intake hose body 1, thus well solving the problem of interference between the quarter-wavelength tube 5 and the front panel of the vehicle body.

The utility model also provides an engine, comprising the air intake hose as described above. The derivation process of the beneficial effect produced by the engine is generally similar to the derivation process of the beneficial effect brought by the above-mentioned intake hose, so it will not be repeated here.

The utility model also provides an automobile, including the above-mentioned engine. The derivation process of the beneficial effect produced by the automobile is generally similar to the derivation process of the beneficial effect brought by the above-mentioned intake hose, so it will not be repeated here.

The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims (8)

1. An intake hose, characterized in that it comprises an intake hose body (1) and a quarter-wavelength tube (5), and one end of the intake hose body (1) is provided with a The air inlet (4) connected to the outlet of the air filter, the other end of the air intake hose body (1) is provided with an air outlet (2) for connecting the throttle body of the engine, the quarter wavelength tube (5) Connected to the side wall of the air inlet hose body (1) and located on the pipe section at one end of the air inlet (4). 2. The intake hose according to claim 1, characterized in that, the quarter-wavelength tube (5) is arranged parallel to the tube section at one end of the intake port (4). 3. The intake hose according to claim 1, characterized in that, the length of the quarter-wavelength tube (5) is 160mm-230mm. 4. The intake hose according to claim 3, characterized in that the length of the quarter-wavelength tube (5) is 230mm. 5. The intake hose according to claim 4, characterized in that, one end of the quarter-wavelength tube (5) communicates with the intake hose body (1) through a connecting pipe, and the The tube body of the quarter-wavelength tube (5) is rotated by a preset angle around the axis of the connecting tube toward the gas outlet (2). 6. The intake hose according to claim 5, wherein the preset angle is 10°. 7. An engine, characterized by comprising the intake hose according to any one of claims 1 to 6. 8. An automobile, characterized in that it comprises the engine as claimed in claim 7.