CN111828172A

CN111828172A - Single-cylinder diesel engine

Info

Publication number: CN111828172A
Application number: CN202010719779.8A
Authority: CN
Inventors: 陈振; 孙亮; 孔玉
Original assignee: Individual
Current assignee: Jiangsu Hanchai Power Equipment Co ltd
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2020-10-27
Anticipated expiration: 2040-07-23
Also published as: CN111828172B

Abstract

The invention relates to the field of diesel engines, in particular to a single-cylinder diesel engine which comprises a diesel engine body, a tail gas processor, a main pipeline, an extrusion sheet, a gasket, a fastening screw, an auxiliary pipeline, an auxiliary opening, an activated carbon adsorption plate, a first limiting ring, a cylindrical box, a main opening, a glass fiber cotton block, an upper cover, a limiting frame, a diesel oil filter box, a filter box, an insertion pipe, a communication groove, a second limiting ring, a frame body, a filter screen and a sealing cover. According to the invention, the tail gas processor is arranged at the tail end of the exhaust pipe of the diesel engine body, so that the condition of air pollution caused by insufficient diesel oil combustion of the diesel engine body can be effectively prevented, and the personal health of workers can be ensured to a certain extent; the diesel oil filter box is arranged at the oil inlet pipe of the diesel engine body, so that the purity of diesel oil in the diesel engine body can be effectively guaranteed, and the condition that the diesel engine body is shut down due to impurities in the diesel oil is prevented.

Description

Single-cylinder diesel engine

Technical Field

The invention relates to the field of diesel engines, in particular to a single-cylinder diesel engine.

Background

The single-cylinder diesel engine, namely the diesel engine with only one cylinder when classified according to the number of cylinders, is mainly applied to the fields of agricultural machinery, engineering machinery, automobile industry, ship machinery, electric power industry and the like. The single-cylinder air-cooled diesel engine is deeply favored by wide users due to the characteristics of light weight, small volume, simple layout and convenient repair, and is widely applied to the power matched with the mini-tiller.

The tail gas discharge pipe of most single-cylinder diesel engines is not provided with a tail gas discharge device, when diesel oil is insufficiently combusted, the environment is easily polluted to a certain extent, and the health of workers is influenced to a certain extent; in addition, the oil inlet of the traditional single-cylinder diesel engine is generally free of a diesel oil filtering device, and when impurities are contained in diesel oil, the single-cylinder diesel engine is easily damaged, so that the shutdown condition is caused. Therefore, a single cylinder diesel engine is proposed to address the above problems.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a single-cylinder diesel engine.

The technical scheme adopted by the invention for solving the technical problems is as follows: a single cylinder diesel engine comprises a tail gas treatment mechanism and a diesel oil filtering mechanism; the tail gas treatment mechanism comprises a diesel engine body and a tail gas processor, the tail gas processor is sleeved at a tail gas discharge pipe of the diesel engine body and comprises a main pipeline, an auxiliary pipeline, an activated carbon adsorption plate and a first limiting ring, the auxiliary pipeline is sleeved on the outer wall of the main pipeline, the activated carbon adsorption plate is sleeved inside the auxiliary pipeline, the first limiting ring is sleeved inside the main pipeline, a cylindrical box is placed at the top of the first limiting ring, a glass fiber cotton block is arranged inside the cylindrical box, and an upper cover is in threaded connection with the top of the main pipeline; the diesel oil filtering mechanism comprises a diesel oil filtering box, the diesel oil filtering box is installed in the intercommunication of an oil inlet of the diesel engine body, the diesel oil filtering box comprises a filtering box, an insertion pipe, a second limiting ring and a framework body, the insertion pipe is installed in the intercommunication of the bottom of the filtering box, the second limiting ring is sleeved on the inner wall of the filtering box, the framework body is placed at the top of the second limiting ring, a filtering net is sleeved inside the framework body, and a sealing cover is connected to the top of the filtering box in a threaded mode.

Preferably, the gasket has all been lapped in the both sides of trunk line, the internal thread of gasket has cup jointed fastening screw, fastening screw's terminal screw thread runs through the lateral wall of trunk line and places in the inside of trunk line, fastening screw is arranging the inside surface rigid coupling of trunk line in and has the extrusion piece. The extrusion piece overlap joint is at the lateral wall of diesel engine body exhaust emission pipe. The lateral wall of trunk line and the outer wall of auxiliary pipeline have all seted up vice opening, the inside of trunk line and the inside of auxiliary pipeline communicate each other through vice opening, the outside intercommunication of auxiliary pipeline through vice opening and auxiliary pipeline is passed through to the auxiliary pipeline. A plurality of identical main openings are formed in the outer wall of the cylindrical box at equal intervals, and the inside of the cylindrical box is communicated with the outside of the cylindrical box through the main openings; the bottom equidistance rigid coupling of upper cover is a plurality of same spacing, and is a plurality of spacing bottom all the overlap joint at the top of cylinder case.

Preferably, two identical communicating grooves are symmetrically formed in two sides of the inner wall of the filter box, and the communicating grooves are of a C-shaped structure. The bottom end of the communicating groove is located below the second limiting ring, and the top end of the communicating groove is located above the frame body.

Preferably, the main pipeline is sleeved on the top end of the outer wall of the tail gas discharge pipe of the diesel engine body, and the insertion pipe is in threaded connection with the inner wall of the oil inlet of the diesel engine body.

The invention has the beneficial effects that:

(1) according to the invention, the tail gas processor is arranged at the tail end of the exhaust pipe of the diesel engine body, so that the condition of air pollution caused by insufficient diesel oil combustion of the diesel engine body can be effectively prevented, and the personal health of workers can be ensured to a certain extent; the diesel oil filter box is arranged at the oil inlet pipe of the diesel engine body, so that the purity of diesel oil in the diesel engine body can be effectively guaranteed, and the condition that the diesel engine body is shut down due to impurities in the diesel oil is prevented.

(2) The tail gas processor can process and purify the tail gas generated by the diesel engine body so as to reach the emission standard, and the residue can be filtered by the diesel oil filter box so as to ensure that the combustion efficiency is high when the diesel oil is used.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of an exhaust gas treatment device according to the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is a schematic cross-sectional view of a diesel filter box according to the present invention.

In the figure: 1. the diesel engine comprises a diesel engine body, 2, an exhaust gas processor, 201, a main pipeline, 202, an extrusion sheet, 203, a gasket, 204, a fastening screw, 205, an auxiliary pipeline, 206, an auxiliary opening, 207, an activated carbon adsorption plate, 208, a first limiting ring, 209, a cylindrical box, 210, a main opening, 211, a glass fiber cotton block, 212, an upper cover, 213, a limiting frame, 3, a diesel oil filter box, 301, a filter box, 302, an insertion pipe, 303, a communication groove, 304, a second limiting ring, 305, a frame body, 306, a filter screen, 307 and a sealing cover.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

Referring to fig. 1-4, a single cylinder diesel engine includes an exhaust gas treatment mechanism and a diesel filtering mechanism; the tail gas treatment mechanism comprises a diesel engine body 1 and a tail gas processor 2, the tail gas processor 2 is sleeved at a tail gas discharge pipe of the diesel engine body 1, the tail gas processor 2 comprises a main pipe 201, an auxiliary pipe 205, an activated carbon adsorption plate 207 and a first limiting ring 208, the auxiliary pipe 205 is sleeved on the outer wall of the main pipe 201, the activated carbon adsorption plate 207 is sleeved inside the auxiliary pipe 205 and is convenient to adsorb, the first limiting ring 208 is sleeved inside the main pipe 201, a cylindrical box 209 is placed at the top of the first limiting ring 208, a glass fiber cotton block 211 is arranged inside the cylindrical box 209 and is convenient to adsorb harmful substances in tail gas, and an upper cover 212 is connected to the top of the main pipe 201 in a threaded manner and is convenient to seal; diesel oil filtering mechanism includes diesel oil rose box 3, diesel oil rose box 3 is installed to 1 oil inlet department intercommunication of diesel engine body, diesel oil rose box 3 includes rose box 301, intubate 302, second spacing ring 304 and framework 305, intubate 302 is installed in the bottom intercommunication of rose box 301, the installation of being convenient for, second spacing ring 304 has been cup jointed to the inner wall of rose box 301, framework 305 has been placed at the top of second spacing ring 304, filter screen 306 has been cup jointed to the inside of framework 305, the filtration of being convenient for, the top threaded connection of rose box 301 has sealed lid 307, is convenient for seal.

Gaskets 203 are respectively lapped on two sides of the main pipe 201, fastening screws 204 are sleeved on internal threads of the gaskets 203, threads at the tail ends of the fastening screws 204 penetrate through the side wall of the main pipe 201 and are arranged inside the main pipe 201, and extrusion pieces 202 are fixedly connected to the surfaces of the fastening screws 204 arranged inside the main pipe 201, so that the fastening screws are convenient to fix; the extrusion sheet 202 is lapped on the side wall of the tail gas discharge pipe of the diesel engine body 1 and is connected through the fastening screw 204, so that the assembly and disassembly are convenient during maintenance; the side wall of the main pipe 201 and the outer wall of the auxiliary pipe 205 are both provided with auxiliary openings 206, the inside of the main pipe 201 is communicated with the inside of the auxiliary pipe 205 through the auxiliary openings 206, and the auxiliary pipe 205 is communicated with the outside of the auxiliary pipe 205 through the auxiliary openings 206, so that the gas in the inside is conveniently discharged; a plurality of identical main openings 210 are equidistantly formed in the outer wall of the cylindrical box 209, and the inside of the cylindrical box 209 is communicated with the outside of the cylindrical box 209 through the main openings 210; the bottom of the upper cover 212 is fixedly connected with a plurality of identical limiting frames 213 at equal intervals, and the bottom ends of the limiting frames 213 are all lapped on the top of the cylindrical box 209, so that the cylindrical box 209 is convenient to stabilize; two identical communicating grooves 303 are symmetrically formed in two sides of the inner wall of the filter box 301, the communicating grooves 303 are of a C-shaped structure, and the two communicating grooves 303 can prevent the situation that diesel oil cannot be injected into the diesel engine body 1 due to the fact that air in the filter box 301 cannot be discharged; the bottom end of the communicating groove 303 is positioned below the second limiting ring 304, and the top end of the communicating groove 303 is positioned above the frame body 305, so that the condition that air cannot be discharged to cause that diesel cannot be injected when the diesel is injected is prevented; the main pipeline 201 is sleeved on the top end of the outer wall of the tail gas discharge pipe of the diesel engine body 1, and the insertion pipe 302 is in threaded connection with the inner wall of the oil inlet of the diesel engine body 1, so that the installation is convenient.

When the diesel engine is used, when the diesel engine body 1 operates, tail gas of the diesel engine body 1 enters the interior of the tail gas processor 2 through the tail gas discharge pipe, the interior of the glass fiber cotton block 211 is soaked with a neutralization reagent which can neutralize nitrogen oxides in the tail gas, after the tail gas enters the interior of the cylinder box 209, the nitrogen oxides in the tail gas fully react with the neutralization reagent in the interior of the glass fiber cotton block 211, then the treated tail gas enters the interior of the auxiliary pipeline 205 through the auxiliary opening 206, after the tail gas is subjected to adsorption treatment by the activated carbon adsorption plate 207, particulate matters and organic matters in the tail gas are adsorbed and finally released into the air, and after the diesel engine is used for a period of time, the upper cover 212 can be opened to take the cylinder box 209 out for replacement or cleaning; when refueling diesel engine body 1, open sealed lid 307, pour into diesel oil into rose box 301 in, when diesel oil passes through the filter screen, the inside particulate matter of diesel oil or other impurity are filtered, and two link up groove 303 can prevent that the unable exhaust of air in rose box 301 and lead to the unable condition of pouring into diesel oil into diesel engine body 1.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A single cylinder diesel engine, characterized by: comprises a tail gas treatment mechanism and a diesel oil filtering mechanism; the tail gas treatment mechanism comprises a diesel engine body (1) and a tail gas processor (2), the tail gas processor (2) is sleeved at a tail gas discharge pipe of the diesel engine body (1), the tail gas processor (2) comprises a main pipeline (201), an auxiliary pipeline (205), an activated carbon adsorption plate (207) and a first limiting ring (208), the auxiliary pipeline (205) is sleeved on the outer wall of the main pipeline (201), the activated carbon adsorption plate (207) is sleeved inside the auxiliary pipeline (205), the first limiting ring (208) is sleeved inside the main pipeline (201), a cylindrical box (209) is placed at the top of the first limiting ring (208), a glass fiber cotton block (211) is arranged inside the cylindrical box (209), and an upper cover (212) is in threaded connection with the top of the main pipeline (201); the diesel oil filtering mechanism comprises a diesel oil filtering box (3), the diesel oil filtering box (3) is installed in the oil inlet of the diesel engine body (1) in a communicated mode, the diesel oil filtering box (3) comprises a filtering box (301), an insertion pipe (302), a second limiting ring (304) and a frame body (305), the insertion pipe (302) is installed in the bottom of the filtering box (301) in a communicated mode, the second limiting ring (304) is sleeved on the inner wall of the filtering box (301), the frame body (305) is placed at the top of the second limiting ring (304), a filtering net (306) is sleeved inside the frame body (305), and the top of the filtering box (301) is in threaded connection with a sealing cover (307).

2. A single cylinder diesel engine as claimed in claim 1, characterized in that: gaskets (203) are lapped on two sides of the main pipeline (201), fastening screws (204) are sleeved on internal threads of the gaskets (203), the tail end threads of the fastening screws (204) penetrate through the side wall of the main pipeline (201) and are arranged inside the main pipeline (201), and extrusion pieces (202) are fixedly connected to the surfaces of the fastening screws (204) arranged inside the main pipeline (201); the extrusion sheet (202) is lapped on the side wall of the tail gas discharge pipe of the diesel engine body (1); the side wall of the main pipeline (201) and the outer wall of the auxiliary pipeline (205) are both provided with auxiliary openings (206), the interior of the main pipeline (201) is communicated with the interior of the auxiliary pipeline (205) through the auxiliary openings (206), and the auxiliary pipeline (205) is communicated with the exterior of the auxiliary pipeline (205) through the auxiliary openings (206); a plurality of identical main openings (210) are formed in the outer wall of the cylindrical box (209) at equal intervals, and the inside of the cylindrical box (209) is communicated with the outside of the cylindrical box (209) through the main openings (210); the bottom equidistance rigid coupling of upper cover (212) is a plurality of same spacing (213), and is a plurality of the bottom of spacing (213) all the overlap joint is at the top of cylinder case (209).

3. A single cylinder diesel engine as claimed in claim 1, characterized in that: two identical communicating grooves (303) are symmetrically formed in two sides of the inner wall of the filter box (301), and the communicating grooves (303) are of a C-shaped structure.

4. A single cylinder diesel engine as claimed in claim 7, characterized in that: the bottom end of the communicating groove (303) is positioned below the second limiting ring (304), and the top end of the communicating groove (303) is positioned above the frame body (305).

5. A single cylinder diesel engine as claimed in claim 1, characterized in that: the main pipeline (201) is sleeved on the top end of the outer wall of a tail gas discharge pipe of the diesel engine body (1), and the insertion pipe (302) is in threaded connection with the inner wall of an oil inlet of the diesel engine body (1).