Carburetor capable of supplying oil through multiple oil ways

Abstract

The utility model discloses a carburetor with multi-oil-way oil supply, which relates to the technical field of carburetors and comprises a carburetor body, an air inlet chamber and a mixing chamber, the air inlet chamber is positioned at the top of the inner side of the carburetor body, the inside of the mixing chamber is positioned at the bottom of the inner side of the carburetor body, and the air inlet chamber and the mixing chamber are both of conical structures. Meanwhile, a throat pipe is arranged between the air inlet chamber and the mixing chamber, the carburetor with the multi-oil-way oil supply function is provided with an oil carbureting structure, in the process that airflow in the throat pipe sucks out oil drops in the oil outlet pipes, due to the fact that the inner ends of the multiple oil outlet pipes are annularly distributed on the inner wall of the throat pipe, the oil drops evenly enter the throat pipe through the oil outlet pipes, and the oil drops in the oil outlet pipes are evenly sucked out. By means of the multiple oil outlet pipes, oil drops can be sprayed more evenly, the mixing efficiency of the oil drops and air is improved, meanwhile, the combustion efficiency of the fuel oil is improved through sufficient atomization and even mixing of the fuel oil, the multiple oil outlet pipes are used for supplying oil, load changes of an engine can be rapidly adapted, and the response speed is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of carburetors, in particular to a carburetors with multiple oil circuits for oil supply. Background Art

[0002] A fuel injector is a device used in internal combustion engines that uses the low pressure created by air flow to draw fuel from a nozzle and atomize it, mixing it with air to form a combustible gas for combustion in the engine.

[0003] For example, an improved carburetor atomizing fuel supply structure with publication number CN209340058U includes a carburetor body, a fuel supply chamber is provided on the carburetor body, the fuel supply chamber includes an air intake chamber and a mixing chamber connected to the air intake chamber, an oil intake chamber is provided on the carburetor body, a fuel injection pipe is provided in the oil intake chamber, one end of the fuel injection pipe is connected to the oil intake chamber, and the other end extends to the mixing chamber, and a fuel supply system component is provided at the end of the fuel injection pipe connected to the mixing chamber. The fuel supply system component is composed of a fuel supply part, a mesh atomizing part and a card pad. The utility model has the function of better atomizing the oil, so that the mixed gas formed by the oil particles and the air after atomization is more uniform, and the mixed gas burns more fully.

[0004] An improved carburetor atomization fuel supply structure in the above technical solution generally optimizes the oil atomization effect by optimizing its structure. In the prior art, the carburetor generally supplies fuel to the inside of the carburetor through a single pipeline. The single pipeline fuel supply of the carburetor causes uneven fuel distribution and poor atomization effect, which affects engine performance and fuel economy. Utility Model Content

[0005] The utility model aims to provide a carburetor with multiple oil supply channels to solve the problem in the above-mentioned background technology that a single oil supply channel of the carburetor leads to uneven fuel distribution and poor atomization effect, thus affecting engine performance and fuel economy.

[0006] To achieve the above object, the utility model provides the following technical solution: a carburetor with multiple oil supply channels, comprising a carburetor body, an air intake chamber, and a mixing chamber, wherein the air intake chamber is located at the top of the inner side of the carburetor body, and the inner side of the mixing chamber is located at the bottom of the inner side of the carburetor body, and the air intake chamber and the mixing chamber are both configured as conical structures, and a throat is provided between the air intake chamber and the mixing chamber;

[0007] The carburetor body is provided with a carburetor structure for spraying oil into the carburetor body on the outside, the carburetor structure includes a fixed ring fixedly connected to the outside of the carburetor body, a guide tube is provided inside the fixed ring, a plurality of connecting tubes distributed in an annular shape are fixedly connected to the top of the guide tube, a distribution tube is fixedly connected to the top of the connecting tube, and a plurality of oil outlet pipes distributed in an annular shape are fixedly connected to the inside of the guide tube;

[0008] One side of the carburetor body is fixedly connected with an oil supply structure for supplying oil to the distribution pipe.

[0009] Preferably, a flange is fixedly connected to the bottom of the carburetor body, a wind resistance valve is rotatably connected to the inside of the air intake chamber, and a throttle valve is rotatably connected to the inside of the mixing chamber.

[0010] Preferably, a plurality of openings distributed in a ring shape are arranged in the middle of the carburetor body, and the openings penetrate the carburetor body, the throat is fixedly connected to the oil outlet pipe, and the inner end of the oil outlet pipe is located on the inner side of the carburetor body, the inner end of the oil outlet pipe is located on the inner side of the carburetor body, and the inner end of the oil outlet pipe and the openings inside the carburetor body are both located on the side of the throat.

[0011] Preferably, two connecting rings are fixedly connected to the outside of the carburetor body, and a protective shell is fixedly connected to one side of the two connecting rings, and the inside of the protective shell is fixedly connected to the oil supply structure.

[0012] Preferably, the oil supply structure is provided with a float chamber, and a fixed slide rod is fixedly connected to the middle of the float chamber, and a moving float is slidably connected to the outer side of the fixed slide rod.

[0013] Preferably, a connecting rod is fixedly connected to the bottom of the moving float, and the connecting rod extends to the outside of the bottom of the moving float, and a needle valve is fixedly connected to the top of one end of the connecting rod away from the moving float.

[0014] Preferably, a connecting valve is provided on one side of the top of the float chamber, and the interior of the connecting valve is engaged and connected with the interior of the needle valve, an oil supply pipe is fixedly connected to the bottom of the float chamber, and one end of the oil supply pipe away from the bottom of the float chamber is fixedly connected to the distribution pipe.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The multi-oil-supply carburetor is provided with a carburetor structure. In the process of the airflow inside the throat pipe sucking out the oil droplets inside the oil outlet pipe, the inner ends of the multiple oil outlet pipes are annularly distributed on the inner wall of the throat pipe, so that the oil droplets evenly pass through the oil outlet pipes into the throat pipe. Through the multiple oil outlet pipes, the oil droplets can be sprayed more evenly, and the mixing efficiency of the oil droplets and the air is improved. At the same time, the sufficient atomization and uniform mixing of the fuel improve the combustion efficiency of the fuel. In addition, the fuel supply through the multiple oil outlet pipes can quickly adapt to the load change of the engine and improve the response speed.

[0017] Furthermore, an oil supply structure is provided, and the connecting valve is connected to the fuel tank through a pipeline system, so that the fuel enters the float chamber through the connecting valve, and the fuel entering the float chamber will be temporarily stored therein, and the fuel liquid level inside the float chamber will drive the moving float to float on the fuel liquid level, so that the moving float drives the needle valve to move upward, and when the amount of fuel inside the float chamber reaches a certain amount, the moving float will drive the needle valve to engage and connect with the inside of the connecting valve, so that a seal is formed inside the connecting valve to prevent the fuel from continuing to enter the float chamber, and a stable supply of fuel is maintained by the moving float and the needle valve to ensure that the nozzle can continuously spray fuel, while controlling the stable amount of fuel to prevent excessive fuel supply and insufficient combustion. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the bottom structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the cross-sectional structure of the carburetor body of the utility model;

[0021] Figure 4 This is a schematic diagram of the cross-sectional structure of the protective shell of the utility model;

[0022] Figure 5 This is a schematic diagram of the oil outlet pipe structure of the utility model;

[0023] Figure 6 It is a schematic diagram of the cross-sectional structure of the float chamber of the utility model.

[0024] In the figure: 1. Carburetor body; 2. Intake chamber; 3. Mixing chamber; 4. Throat; 5. Flange; 6. Wind resistance valve; 7. Throttle valve; 8. Fixed ring; 9. Guide pipe; 10. Connecting pipe; 11. Oil outlet pipe; 12. Distribution pipe; 13. Oil supply pipe; 14. Float chamber; 15. Fixed slide rod; 16. Moving float; 17. Needle valve; 18. Connecting valve; 19. Connecting ring; 20. Protective shell. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] In a further preferred embodiment of the present invention, Figure 1 - Figure 6As shown, the air intake chamber 2 is located at the top of the inner side of the carburetor body 1, and the interior of the mixing chamber 3 is located at the bottom of the inner side of the carburetor body 1, and the air intake chamber 2 and the mixing chamber 3 are both configured as conical structures, and a throat 4 is provided between the air intake chamber 2 and the mixing chamber 3;

[0027] The carburetor body 1 is provided with a carburetor structure for spraying oil into the carburetor body 1 on the outside thereof, and the carburetor structure includes a fixed ring 8 fixedly connected to the outside of the carburetor body 1, a guide tube 9 is provided inside the fixed ring 8, and a plurality of connecting tubes 10 distributed in an annular shape are fixedly connected to the top of the guide tube 9, and a distribution tube 12 is fixedly connected to the top of the connecting tube 10, and a plurality of oil outlet pipes 11 distributed in an annular shape are fixedly connected to the inside of the guide tube 9;

[0028] An oil supply structure for supplying oil to the distribution pipe 12 is fixedly connected to one side of the carburetor body 1 .

[0029] A flange 5 is fixedly connected to the bottom of the carburetor body 1 , a wind resistance valve 6 is rotatably connected inside the air intake chamber 2 , and a throttle valve 7 is rotatably connected inside the mixing chamber 3 .

[0030] A plurality of openings distributed in an annular shape are arranged in the middle of the carburetor body 1, and the openings penetrate the carburetor body 1, the throat 4 is fixedly connected to the oil outlet pipe 11, and the inner end of the oil outlet pipe 11 is located on the inner side of the carburetor body 1, and the inner end of the oil outlet pipe 11 is located on the inner side of the carburetor body 1, and the openings at the inner end of the oil outlet pipe 11 and the inside of the carburetor body 1 are both located on the side of the throat 4.

[0031] Two connecting rings 19 are fixedly connected to the outside of the carburetor body 1, and a protective shell 20 is fixedly connected to one side of the two connecting rings 19, and the inside of the protective shell 20 is fixedly connected to the oil supply structure.

[0032] The oil supply structure is provided with a float chamber 14 , and a fixed slide rod 15 is fixedly connected to the middle of the float chamber 14 , and a moving float 16 is slidably connected to the outer side of the fixed slide rod 15 .

[0033] A connecting rod is fixedly connected to the bottom of the moving float 16 , and the connecting rod extends to the outside of the bottom of the moving float 16 , and a needle valve 17 is fixedly connected to the top of one end of the connecting rod away from the moving float 16 .

[0034] A connecting valve 18 is provided on one side of the top of the float chamber 14, and the inside of the connecting valve 18 is engaged with the inside of the needle valve 17, and an oil supply pipe 13 is fixedly connected to the bottom of the float chamber 14, and one end of the oil supply pipe 13 away from the bottom of the float chamber 14 is fixedly connected to the distribution pipe 12;

[0035] The multi-oil-supply carburetor, during the operation of the carburetor, allows high-pressure gas to enter the air inlet chamber 2 through the top of the carburetor body 1, so that the high-pressure gas in the air inlet chamber 2 passes through the throat 4 and enters the mixing chamber 3. When the air flows through the throat 4, the inner diameter of the air inlet chamber 2 is continuously reduced in the direction of the throat 4, so that the air flow velocity increases and the air pressure decreases when passing through the throat 4, so that the low-pressure environment in the throat 4 sucks out the oil droplets in the connecting pipe 10 through the distribution pipe 12, and the high-speed flowing gas and the oil droplets are mixed with each other to form oil mist, which is discharged to the outside of the device after passing through the mixing chamber 3 and the flange 5;

[0036] In the process of the airflow inside the throat pipe 4 sucking out the oil droplets inside the oil outlet pipe 11, the inner ends of the multiple oil outlet pipes 11 are annularly distributed on the inner wall of the throat pipe 4, so that the oil droplets evenly pass through the oil outlet pipes 11 into the throat pipe 4. Through the multiple oil outlet pipes 11, the oil droplets can be sprayed more evenly, and the mixing efficiency of the oil droplets and the air is improved. At the same time, the full atomization and uniform mixing of the fuel improve the combustion efficiency of the fuel. In addition, the fuel supply through the multiple oil outlet pipes 11 can quickly adapt to the load change of the engine and improve the response speed.

[0037] The connecting valve 18 is connected to the fuel tank through the pipeline system, so that the fuel enters the float chamber 14 through the connecting valve 18. The fuel entering the float chamber 14 will be temporarily stored therein, and the fuel liquid level inside the float chamber 14 will drive the moving float 16 to float on the fuel liquid level, so that the moving float 16 drives the needle valve 17 to move upward. When the amount of fuel inside the float chamber 14 reaches a certain amount, the moving float 16 will drive the needle valve 17 to engage and connect with the inside of the connecting valve 18, so that the inside of the connecting valve 18 is sealed to prevent the fuel from continuing to enter the float chamber 14. The moving float 16 and the needle valve 17 are used to maintain a stable supply of fuel to ensure that the nozzle can continuously spray fuel. At the same time, the stable amount of fuel is controlled to prevent excessive fuel supply from causing incomplete combustion.

[0038] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; 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 in the present invention can be understood according to specific circumstances.

[0039] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A carburetor with multiple oil supply channels, comprising a carburetor body (1), an air intake chamber (2), and a mixing chamber (3), wherein the air intake chamber (2) is located at the top of the inner side of the carburetor body (1), and the interior of the mixing chamber (3) is located at the bottom of the inner side of the carburetor body (1), and the air intake chamber (2) and the mixing chamber (3) are both configured as conical structures, and a throat (4) is provided between the air intake chamber (2) and the mixing chamber (3); Features: The carburetor body (1) is provided with a carburetor structure for spraying oil into the carburetor body (1) on the outside, the carburetor structure comprising a fixed ring (8) fixedly connected to the outside of the carburetor body (1), a flow guide tube (9) is provided inside the fixed ring (8), a plurality of connecting tubes (10) distributed in an annular shape are fixedly connected to the top of the flow guide tube (9), a distribution tube (12) is fixedly connected to the top of the connecting tube (10), and a plurality of oil outlet tubes (11) distributed in an annular shape are fixedly connected to the inside of the flow guide tube (9); One side of the carburetor body (1) is fixedly connected to an oil supply structure for supplying oil to the distribution pipe (12).

2. A carburetor with multiple oil supply channels according to claim 1, characterized in that: The bottom of the carburetor body (1) is fixedly connected to a flange (5), the air intake chamber (2) is rotatably connected to a wind resistance valve (6), and the mixing chamber (3) is rotatably connected to a throttle valve (7).

3. A carburetor with multiple oil supply channels according to claim 1, characterized in that: A plurality of openings distributed in an annular pattern are arranged in the middle of the carburetor body (1), and the openings penetrate the carburetor body (1); the throat (4) is fixedly connected to the oil outlet pipe (11), and the inner end of the oil outlet pipe (11) is located inside the carburetor body (1); the inner end of the oil outlet pipe (11) is located inside the carburetor body (1), and the inner end of the oil outlet pipe (11) and the openings inside the carburetor body (1) are both located on the side of the throat (4).

4. A carburetor with multiple oil supply channels according to claim 1, characterized in that: Two connecting rings (19) are fixedly connected to the outside of the carburetor body (1), and one side of the two connecting rings (19) is fixedly connected to a protective shell (20), and the inside of the protective shell (20) is fixedly connected to the oil supply structure.

5. A carburetor with multiple oil supply channels according to claim 1, characterized in that: The oil supply structure is provided with a float chamber (14), and a fixed slide rod (15) is fixedly connected to the middle of the float chamber (14), and a moving float (16) is slidably connected to the outside of the fixed slide rod (15).

6. A carburetor with multiple oil supply channels according to claim 5, characterized in that: The bottom of the moving float (16) is fixedly connected to a connecting rod, which extends to the outside of the bottom of the moving float (16), and the top of one end of the connecting rod away from the moving float (16) is fixedly connected to a needle valve (17).

7. A carburetor with multiple oil supply channels according to claim 5, characterized in that: A connecting valve (18) is provided on one side of the top of the float chamber (14), and the interior of the connecting valve (18) is snap-connected with the interior of the needle valve (17). An oil supply pipe (13) is fixedly connected to the bottom of the float chamber (14), and one end of the oil supply pipe (13) away from the bottom of the float chamber (14) is fixedly connected to the distribution pipe (12).

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