Internal combustion engine air supply device and internal combustion engine

Abstract

The utility model discloses an internal combustion engine air supply device and an internal combustion engine, comprising a fan, an air supply valve, an air supply pipe, a catalyst, a muffler, an air guide cover and a first internal combustion engine, wherein the fan, the air supply valve, the air supply pipe, the catalyst and the muffler are all located in the air guide cover, the air guide cover is located in the first internal combustion engine, the fan rotates to blow wind into the air supply valve through the windward surface of the fan blade, the air supply valve sends the collected gas into the air supply pipe, and then the air supply pipe sends the gas to the inside of the muffler for combustion reaction with the catalyst, thereby completing the air supply and harmful gas purification process in the first internal combustion engine.

Description

Technical Field

[0001] The utility model relates to the technical field of tail gas purification, in particular to an air supply device for an internal combustion engine and an internal combustion engine. Background Art

[0002] At present, the exhaust gas of the internal combustion engine will emit harmful gases during the emission process. Such harmful gases will pollute the air and endanger human health. The existing treatment for exhaust emissions is to connect an air replenishment device to treat the exhaust.

[0003] However, the existing technology has the following problems: 1. The existing gas supply structure valve body has an external pipeline, the gas supply efficiency is not high, and the structure is not compact enough; 2. The existing gas supply structure is not beautiful, the air pipe is long, and the air pipe bend affects the gas supply efficiency. Utility Model Content

[0004] The utility model aims at solving the problem that the valve body of the current air replenishing structure and the pipeline are placed outside, and provides an air replenishing device for an internal combustion engine and an internal combustion engine.

[0005] In order to achieve the above-mentioned utility model purpose, the utility model provides the following technical solutions:

[0006] On the one hand, the utility model provides an air supply device for an internal combustion engine, comprising an air supply pipe and an air supply valve;

[0007] The device also includes an air guide cover, the air supply pipe and the air supply valve are both arranged in the air guide cover, and one end of the air supply pipe is fixedly connected to the air outlet end of the air supply valve.

[0008] The air supply pipe and the air supply valve of the utility model are both built-in in the air guide cover, the internal air supply pipe is short in distance and compact in structure, so that the utility model has a good use effect.

[0009] Furthermore, the device also includes a fan;

[0010] The fan is arranged in the air guide cover, and the air supply valve is located on the windward side of the air guide cover.

[0011] The air supply valve of the utility model is directly arranged on the windward side of the fan, so that the air supply efficiency of the utility model is high.

[0012] Furthermore, the device also includes a muffler;

[0013] The muffler is arranged in the air guide cover, and one end of the air supply pipe away from the air supply valve extends into the muffler.

[0014] The air supply valve of the utility model can directly extend from the inside of the air guide cover into the muffler, so that the air supply efficiency of the utility model is high.

[0015] Furthermore, the device also includes a catalyst;

[0016] The catalyst is arranged in the muffler, and is located at one end of the air supply pipe extending into the muffler.

[0017] The air supply valve of the utility model can extend from the muffler into the catalyst to perform combustion reaction, so that harmful gas can be consumed quickly, so that the utility model has a good use effect.

[0018] On the other hand, the utility model also provides an internal combustion engine, comprising the internal combustion engine air supply device described above, and also comprising a first internal combustion engine;

[0019] The air guide cover is arranged in the first internal combustion engine.

[0020] The air guide cover of the utility model is built in the first internal combustion engine, so that the internal air supply pipe has a short distance, a compact structure and high air supply efficiency.

[0021] Compared with the prior art, the utility model has the following beneficial effects: 1. The utility model has a simple appearance, and compared with the prior art structure, there is no external air supply pipe that affects the overall appearance; 2. The air supply pipeline of the utility model is built into the first internal combustion engine, with a short distance, compact structure, and high air supply efficiency; 3. The air supply valve of the utility model is directly arranged on the windward side of the fan, so that the air supply valve has a good effect in collecting gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a cross-sectional view of the utility model.

[0023] Markings in the figure: 1. Air guide cover; 2. Fan; 3. Air supply valve; 4. Air supply pipe; 5. Catalyst; 6. Muffler. DETAILED DESCRIPTION

[0024] The utility model is described in detail below in conjunction with the accompanying drawings.

[0025] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0026] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0027] In the description of the present utility model, unless otherwise specified and limited, it should be noted that the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a mechanical connection or an electrical connection, or it can be the internal connection of two components. It can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to the specific circumstances.

[0028] like Figure 1 As shown, the utility model provides an air supply device for an internal combustion engine, comprising an air supply pipe 4 and an air supply valve 3;

[0029] The device further comprises an air guide cover 1 , the air supply pipe 4 and the air supply valve 3 are both arranged in the air guide cover 1 , and one end of the air supply pipe 4 is fixedly connected to the air outlet end of the air supply valve 3 .

[0030] In this embodiment, when the operation starts, the gas supply valve 3 sends the collected gas into the gas supply pipe 4, and the gas supply pipe 4 sends the gas to a designated place for gas supply treatment.

[0031] like Figure 1 As shown, the device also includes a fan 2;

[0032] The fan 2 is arranged in the air guide cover 1 , and the air supply valve 3 is located on the windward side of the air guide cover 1 .

[0033] In this embodiment, the fan 2 rotates to blow air into the air supply valve 3 through the windward side of the fan blades, the air supply valve 3 sends the collected air into the air supply pipe 4, and the air supply pipe 4 sends the air to a designated position to wait for subsequent work.

[0034] like Figure 1 As shown, the device also includes a muffler 6;

[0035] The muffler 6 is arranged in the air guide cover 1 , and one end of the air supply pipe 4 away from the air supply valve 3 extends into the muffler 6 .

[0036] In this embodiment, after air is sent into the air supply pipe 4 from the air supply valve 3, the air supply pipe 4 sends the air into the muffler 6 to wait for subsequent work.

[0037] like Figure 1 As shown, the device also includes a catalyst 5;

[0038] The catalyst 5 is disposed in the muffler 6 , and the catalyst 5 is located at one end of the air supply pipe 4 extending into the muffler 6 .

[0039] In this embodiment, when starting work, the fan 2 rotates to blow wind into the air supply valve 3 through the windward side of the fan blades, the air supply valve 3 sends the collected gas into the air supply pipe 4, the air supply pipe 4 sends the gas to the inside of the muffler 6, and undergoes a combustion reaction with the catalyst 5 to consume harmful gases, thereby completing the air supply and harmful gas purification process.

[0040] The utility model also provides an internal combustion engine, comprising the internal combustion engine air supply device described above, and also comprising a first internal combustion engine;

[0041] The air guiding cover 1 is arranged in a first internal combustion engine.

[0042] In this embodiment, when the first internal combustion engine is working, the built-in fan 2 rotates accordingly. The fan 2 rotates to blow wind into the air supply valve 3 through the windward side of the fan blades. The air supply valve 3 sends the collected gas into the air supply pipe 4. The air supply pipe 4 sends the gas to the inside of the muffler 6, where it undergoes a combustion reaction with the catalyst 5 to consume harmful gases, thereby completing the process of air supply and harmful gas purification.

[0043] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An internal combustion engine air supply device, characterized in that: It comprises an air supply pipe (4) and an air supply valve (3); The device further comprises an air guide cover (1), the air supply pipe (4) and the air supply valve (3) are both arranged in the air guide cover (1), and one end of the air supply pipe (4) is fixedly connected to the air outlet end of the air supply valve (3).

2. The internal combustion engine air supply device according to claim 1, characterized in that: The device also includes a fan (2); The fan (2) is arranged in the air guide cover (1), and the air supply valve (3) is located on the windward side of the air guide cover (1).

3. The air supply device for an internal combustion engine according to claim 2, characterized in that: The device also includes a muffler (6); The muffler (6) is arranged in the air guide cover (1), and one end of the air supply pipe (4) away from the air supply valve (3) extends into the muffler (6).

4. The air supply device for an internal combustion engine according to claim 3, characterized in that: The device also includes a catalyst (5); The catalyst (5) is arranged in the muffler (6), and the catalyst (5) is located at one end of the air supply pipe (4) extending into the interior of the muffler (6).

5. An internal combustion engine, characterized in that: The internal combustion engine air supply device comprises any one of claims 1 to 4, and further comprises a first internal combustion engine; The air guide cover (1) is arranged in a first internal combustion engine.

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