Engine air inlet device, engine and vehicle

Abstract

The utility model discloses an engine air inlet device, an engine and a vehicle, the engine air inlet device comprises an air filter, the air filter is provided with an air inlet and an air outlet, the air inlet is connected with an air inlet pipeline, and the air outlet is connected with the engine through an air outlet pipeline; a rotating motor is arranged on the air inlet pipeline, and the rotating motor can drive the air inlet pipeline to rotate within the range of 90 degrees on the vertical plane; the rotary motor is arranged on the air inlet pipeline of the air filter, the second pipeline can be driven to rotate through the rotary motor, and when more water is accumulated on the road surface, the rotary motor drives the second pipeline to rotate to the inclined or vertical state, so that the air inlet of the air inlet pipeline is higher than the front cabin cover, and the accumulated water can be prevented from entering the air inlet pipeline.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile engines, and in particular relates to an engine air intake device, an engine and a vehicle. Background Art

[0002] The statements herein merely provide background art related to the present invention and do not necessarily constitute prior art.

[0003] With the changes in the environment and in some rainy seasons, there are more and more accidents of water entering the engine, and the number of cases of engine damage after starting is also gradually increasing. The reason for the engine damage is mostly because when the vehicle is driving on a flooded road in rainy weather, it is not clear whether the water level during driving has entered the engine intake pipe, and the owner does not understand the characteristics of the engine at work. When the engine is flooded on the road, or the water enters the air filter intake pipe and then is pumped into the air filter, the throttle sucks in water, and the water enters the compression cylinder. Since the density of water is greater than the density of air, water cannot be compressed by the cylinder like low-density air, and the piston cannot reach the correct top dead center. During the starting piston cycle, the connecting rod is subjected to excessive force, causing the engine crankshaft and connecting rod to bend or even break. The user starts or runs the engine without knowing the actual situation, causing the engine to be damaged artificially and cannot be repaired.

[0004] At present, how to solve the problem of safe passage of vehicles through bridge holes and tunnels in rainy weather for users, and how to solve the problem of normal driving of vehicles without water in the engine in rainy weather and on waterlogged roads has become a vehicle driving safety issue that people are very concerned about, and it is also a technical problem that technicians in this field need to solve urgently. In the prior art, Chinese utility model patent CN203730173U discloses an intake pipe for preventing water from entering the air filter of an automobile, wherein the intake pipe is set as a T-shaped pipe, and a small amount of water droplets entering the intake pipe are directed to the branch pipe part placed in a vertical position in the T-shaped pipe by gravity, so as to prevent rainwater or water splashed on the waterlogged road from entering the air filter through the intake hole, but this structure needs to occupy a large space in the front cabin, and in addition, this structure is to fill the branch pipe with absorbent tissue to absorb the water entering the intake pipe, so that a small amount of water can enter the intake pipe, and when the water is deep, the intake pipe will be directly submerged, and water cannot be prevented from entering the intake pipe. Utility Model Content

[0005] The purpose of the utility model is to provide an engine air intake device, an engine and a vehicle, which can improve the safety of the car when driving in heavy rain weather and on flooded roads, and solve the problem that when the car is driven in heavy rain weather and on flooded roads, the engine is submerged or after wading, the engine is filled with water, causing serious damage to engine parts.

[0006] In order to achieve the above purpose, the utility model is implemented through the following technical solutions:

[0007] In the first aspect, an embodiment of the utility model provides an engine air intake device, including an air filter, wherein the air filter is provided with an air inlet and an air outlet, the air inlet is connected to an air intake pipe, and the air outlet is connected to the engine through the air outlet pipe; the air intake pipe is provided with a rotating motor, and the rotating motor can drive the air intake pipe to rotate within a range of 90 degrees on a vertical plane.

[0008] As a further technical solution, the air intake duct includes a first duct and a second duct, one end of the first duct is connected to the air intake port of the air filter, and the other end of the first duct is connected to the second duct via a rotary joint.

[0009] As a further technical solution, the rotating motor is fixed to the end of the first pipe through a motor seat, and a first gear is fixedly installed at the output end of the rotating motor, and the rotating motor drives the first gear to rotate.

[0010] As a further technical solution, a second gear is fixedly mounted on the rotary joint, the second gear is meshed with the first gear, and the first gear can drive the second gear to rotate, thereby driving the rotary joint and the second pipe to rotate.

[0011] As a further technical solution, a water immersion sensor is provided at the bottom of the air filter housing, and the water immersion sensor is electrically connected to the controller.

[0012] As a further technical solution, the controller is also electrically connected to the rotating motor.

[0013] As a further technical solution, an elbow is arranged at the air inlet of the second pipeline, and the opening of the elbow is arranged downward.

[0014] As a further technical solution, a through groove matching the second pipeline is arranged on the front hood of the automobile.

[0015] In a second aspect, an embodiment of the present utility model provides an engine, comprising the engine air intake device described in the first aspect.

[0016] In a third aspect, an embodiment of the utility model provides a vehicle, comprising the engine as described in the second embodiment.

[0017] The beneficial effects of the above-mentioned embodiments of the utility model are as follows:

[0018] The engine air intake device provided by the utility model divides the air intake duct of the air filter into a first duct and a second duct, and the first duct and the second duct are rotatably connected, wherein the first duct is fixed and the second duct can rotate; a rotating motor is arranged on the air intake duct of the air filter, and the second duct can be driven to rotate by the rotating motor. When there is a lot of water on the road, the rotating motor drives the second duct to rotate to an inclined or vertical state, so that the air inlet of the air intake duct is higher than the front cabin cover, which can prevent the accumulated water from entering the air intake duct.

[0019] The engine air intake device provided by the utility model is provided with a water immersion sensor at the bottom of the air filter housing. After the water immersion sensor senses something, it transmits a signal to a controller. The controller controls a rotating motor to rotate and raise the air intake pipe. The raised air intake pipe is higher than the front cabin cover, ensuring that the vehicle can pass normally when driving in a flooded area, thereby realizing the automation of the entire process. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The drawings in the specification, which constitute a part of the present invention, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0021] Figure 1 It is a structural schematic diagram of the engine air intake device of the utility model;

[0022] Figure 2 This is the use state of the engine air intake device of the utility model when there is less water accumulation;

[0023] Figure 3 This is the use state of the engine air intake device of the utility model when there is a lot of water accumulation.

[0024] The schematic diagram is for illustrative purposes only;

[0025] Among them, 1. air filter; 101. air inlet; 102. air outlet; 2. air inlet duct; 201. first duct; 202. second duct; 3. rotating motor; 301. first gear; 4. rotating joint; 401. second gear; 5. motor seat; 6. front hatch; 601. through groove. DETAILED DESCRIPTION

[0026] It should be noted that the following detailed descriptions are exemplary and are intended to provide further explanation of the present invention. Unless otherwise specified, all technical and scientific terms used in the present invention have the same meanings as those commonly understood by those skilled in the art to which the present invention belongs.

[0027] Example 1

[0028] In a typical implementation of the present invention, Figure 1 As shown, an engine air intake device is provided, including an air filter 1, the air filter 1 is provided with an air inlet 101 and an air outlet 102, the air inlet 101 is connected to the air intake pipe 2, and the air outlet 102 is connected to the engine through the air outlet pipe; the air intake pipe 2 is provided with a rotating motor 3, and the rotating motor 3 can drive the air intake pipe 2 to rotate within a range of 90 degrees on a vertical plane.

[0029] In this embodiment, the air intake pipe 2 includes a first pipe 201 and a second pipe 202 , one end of the first pipe 201 is connected to the air intake port 101 of the air filter 1 , and the other end of the first pipe 201 is connected to the second pipe 202 via a rotary joint 4 .

[0030] Furthermore, the rotating motor 3 is fixed to the end of the first pipe 201 through the motor base 5 , and the first gear 301 is fixedly mounted on the output end of the rotating motor 3 , and the rotating motor 3 drives the first gear 301 to rotate.

[0031] Furthermore, a second gear 401 is fixedly mounted on the rotary joint 4 , and the second gear 401 is meshed with the first gear 301 . The first gear 301 can drive the second gear 401 to rotate, thereby driving the rotary joint 4 and the second pipe 202 to rotate.

[0032] In this embodiment, the first pipe 201 is fixedly connected to the air inlet on the air filter 1, so the first pipe 201 is fixed, and the first pipe 201 and the second pipe 202 are connected by a rotary joint 4. The rotary joint is a closed rotary connector that rotates 360° to convey the medium. The rotary joint adopts the existing structure. The end of the rotary joint 4 that can rotate is connected to the first pipe 201, and the end of the rotary joint that cannot rotate is connected to the second pipe 202. By setting the rotary joint 4, the relative rotation between the first pipe 201 and the second pipe 202 can be achieved, and the sealing effect can also be guaranteed.

[0033] In this embodiment, the rotating motor 3 adopts the existing structure, and the motor base 5 of the rotating motor 3 is sleeved on the end of the first pipe 201 and fixedly connected to the outer wall of the first pipe 201. The power transmission is realized by the mutual cooperation of the first gear 201 and the second gear 401. Specifically, since the second gear 401 is fixedly installed on the rotating joint, and the second pipe 202 is connected to the end of the rotating joint 4 that cannot rotate, that is, the second pipe 202 and the rotating joint 4 are fixedly connected. Therefore, the rotating motor 3 drives the first gear 301 to rotate, which can drive the rotating joint 4 and the second pipe 202 to rotate, so that the second pipe 202 can rotate at a certain angle on the vertical plane.

[0034] In this embodiment, a water sensor is disposed at the bottom of the housing of the air filter 1 , and the water sensor is electrically connected to the controller.

[0035] Furthermore, the controller is also electrically connected to the rotating motor 3 .

[0036] The water immersion sensor adopts the existing structure, and its working principle is based on the principle of liquid conductivity. It uses electrodes to detect whether there is water, and then uses the sensor to convert it into a dry contact output. When the water immersion sensor detects the presence of water, it sends a signal to the controller, and the controller sends a rotation signal to the rotating motor, and the rotating motor drives the second intake duct in the intake duct to rotate.

[0037] Considering that on rainy days, when the second pipe is rotated to a vertical direction, rainwater may enter the pipe from the air inlet of the second pipe, an elbow may be provided at the air inlet of the second pipe, with the elbow opening being provided downward to prevent rainwater from entering the second pipe.

[0038] In this embodiment, a through groove 601 matching the second pipe is provided on the front hood 6 of the automobile. Considering the aesthetics of the front hood, the second pipe can be set as a rectangular pipe. The second pipe has a certain curvature, and its curvature direction is the same as the curvature direction of the front hood. When the second pipe is in a horizontal position, the upper surface of the second pipe is flush with the upper surface of the front hood.

[0039] The working principle of the engine air intake device provided in this embodiment is as follows:

[0040] like Figure 2 As shown, when the vehicle is driving in rainy weather or on a flooded road, if the rain or water does not affect the normal driving of the vehicle, the second pipe of the air filter lies flat in the front hood, and there is no need to increase the height of the engine air filter intake pipe to prevent water from entering the engine filter intake pipe;

[0041] like Figure 3As shown, when the vehicle is driving in rainy weather or when there is a lot of water on the road, the water sensor located at the bottom of the engine air filter housing senses it and transmits a signal to the controller. The controller controls the rotating motor on the air filter intake duct to rotate and erect the second intake duct of the air filter. The rotated and erected intake duct is higher than the front hood, which can prevent accumulated water from entering the air filter intake duct, ensuring that the vehicle can pass normally when driving in flooded areas.

[0042] Example 2

[0043] In a typical embodiment of the present utility model, an engine is provided, comprising the engine air intake device as described in Example 1.

[0044] Example 3

[0045] In a typical embodiment of the present invention, a vehicle is provided, comprising the engine described in Example 2.

[0046] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An engine air intake device, characterized in that: It includes an air filter, which is provided with an air inlet and an air outlet. The air inlet is connected to an air inlet pipe, and the air outlet is connected to the engine through the air outlet pipe. The air inlet pipe is provided with a rotating motor, which can drive the air inlet pipe to rotate within a range of 90 degrees on a vertical plane.

2. The engine air intake device according to claim 1, characterized in that: The air intake duct includes a first duct and a second duct, one end of the first duct is connected to the air intake port of the air filter, and the other end of the first duct is connected to the second duct via a rotary joint.

3. The engine air intake device according to claim 2, characterized in that: The rotating motor is fixed to the end of the first pipe through a motor seat, and a first gear is fixedly installed at the output end of the rotating motor. The rotating motor drives the first gear to rotate.

4. The engine air intake device according to claim 3, characterized in that: A second gear is fixedly mounted on the rotary joint, the second gear is meshed with the first gear, and the first gear can drive the second gear to rotate, thereby driving the rotary joint and the second pipeline to rotate.

5. The engine air intake device according to claim 1, characterized in that: A water immersion sensor is arranged at the bottom of the housing of the air filter, and the water immersion sensor is electrically connected to the controller.

6. The engine air intake device according to claim 5, characterized in that: The controller is also electrically connected to the rotating electrical machine.

7. The engine air intake device according to claim 2, characterized in that: An elbow is arranged at the air inlet of the second pipeline, and the opening of the elbow is arranged downward.

8. The engine air intake device according to claim 2, characterized in that: A through groove matching the second pipeline is arranged on the front hatch of the automobile.

9. An engine, characterized in that: It comprises the engine air intake device as described in any one of claims 1-8.

10. A vehicle, characterized in that: Comprising the engine as claimed in claim 9.

Images