CN202431350U

CN202431350U - Novel exhaust manifold close coupling catalyst structure

Info

Publication number: CN202431350U
Application number: CN 201120548796
Authority: CN
Inventors: 邱永光; 王子英; 杨宝全; 王德春; 王鸿飞; 梁永华
Original assignee: Harbin Dongan Auto Engine Co Ltd
Current assignee: Harbin Dongan Auto Engine Co Ltd
Priority date: 2011-12-26
Filing date: 2011-12-26
Publication date: 2012-09-12
Anticipated expiration: 2021-12-26

Abstract

The utility model relates to a novel exhaust manifold close coupling catalyst structure, which comprises a gas inlet end flange, a gas outlet end flange, a catalyst, an exhaust manifold left shell and an exhaust manifold right shell, wherein the exhaust manifold left shell and the exhaust manifold right shell are welded through punching to form an exhaust manifold; each branch pipe of the exhaust manifold is arranged in a plane; the exhaust manifold right shell is connected with the catalyst; and the lower end of the exhaust manifold is connected with the gas inlet end flange. The integrated catalyst structure is simple and rational in design, the packaging cost of the catalyst is reduced, each branch pipe of the exhaust manifold is in a plane, and the condition that the waste gas discharged by an engine does not reach the standard caused by reduced exhaust temperature due to overlong catalyst pipeline can be effectively avoided.

Description

A kind of novel exhaust manifold close coupling catalyst converter structure

Technical field

The utility model relates to a kind of novel exhaust manifold close coupling catalyst converter structure, belongs to engine exhaust and emission control technique field.

Background technique

At present, each arm of gas exhaust manifold and gather pipe institute and take up space greatlyyer, corresponding catalyst converter space is less, usually catalytic carrier is divided into two parts, could satisfy the spatial arrangement requirement.This structure deficiency is that gas exhaust manifold catalyst converter space is too small, need catalyst converter be divided into two parts and encapsulate, and whole cost is high.Through than long pipe runs the time, EGT descends from the high-temp waste gas of each mouth of pipe exhaust of gas exhaust manifold, part waste gas not with catalyst converter on catalyzer generation chemical reaction, thereby make the motor combustion gas not up to standard.

Summary of the invention

The purpose of the utility model is to overcome the deficiency that exists in the above-mentioned technology; Provide a kind of simple in structure, reasonable in design; Can optimize gas exhaust manifold close coupling catalyst converter structure; Reduced the catalyst converter encapsulation overhead, solved, combustion gas temperature long and reduced not the novel exhaust manifold close coupling catalyst converter structure with catalyzer generation chemical reaction because of multistage catalyst converter pipeline.In order to achieve the above object, the technological scheme of the utility model employing is: comprise the inlet end flange, the outlet side flange; Catalyst converter, gas exhaust manifold left shell, gas exhaust manifold right shell body; Described gas exhaust manifold left shell, gas exhaust manifold right shell body form gas exhaust manifold through the punching press welding; Each arm of gas exhaust manifold is in a plane, and the gas exhaust manifold right shell body links to each other with catalyst converter, and the gas exhaust manifold lower end is connected with the inlet end flange.The utility model has the advantages that: the integral type catalyst converter is simple in structure, reasonable in design; Reduced the catalyst converter encapsulation overhead; Each arm of gas exhaust manifold can effectively be avoided causing delivery temperature to reduce the waste gas situation not up to standard that causes motor to be discharged because of the catalyst converter pipeline is long in a plane.

Description of drawings [0004]Fig. 1 is the utility model structural representation.

Embodiment [0005]Embodiment to the utility model describes in further detail below in conjunction with accompanying drawing.Can know that by Fig. 1 the utility model comprises inlet end flange 5, outlet side flange 1; Catalyst converter 2, gas exhaust manifold left shell 4, gas exhaust manifold right shell body 3; Described gas exhaust manifold left shell 4, gas exhaust manifold right shell body 3 form gas exhaust manifold through the punching press welding; Each arm of gas exhaust manifold is in a plane, and gas exhaust manifold right shell body 3 links to each other with catalyst converter 2, and the gas exhaust manifold lower end is connected with inlet end flange 5.The all corresponding inlet end flange 5 of each root arm of described gas exhaust manifold.The utility model novel exhaust manifold close coupling catalyst converter structure; Comprise inlet end flange 5, outlet side flange 1, catalyst converter 2; Gas exhaust manifold left shell 4; Gas exhaust manifold right shell body 3, described gas exhaust manifold left shell 4, gas exhaust manifold right shell body 3 form gas exhaust manifold through the punching press welding, and each arm of gas exhaust manifold is in a plane; Thereby shorten the length that each gas exhaust manifold is aggregated into gas exhaust manifold, thereby avoid causing delivery temperature to reduce the motor combustion gas situation not up to standard that causes because of the catalyst converter pipeline is long.Gas exhaust manifold right shell body 3 links to each other with catalyst converter 2, and the gas exhaust manifold lower end is connected with inlet end flange 5.The all corresponding inlet end flange 5 of each root arm of gas exhaust manifold assembles guaranteeing.

Claims

1. novel exhaust manifold close coupling catalyst converter structure; Comprise inlet end flange (5), outlet side flange (1), catalyst converter (2); Gas exhaust manifold left shell (4); Gas exhaust manifold right shell body (3) is characterized in that: described gas exhaust manifold left shell (4), gas exhaust manifold right shell body (3) form gas exhaust manifold through the punching press welding, and each arm of gas exhaust manifold is in a plane; Gas exhaust manifold right shell body (3) links to each other with catalyst converter (2), and the gas exhaust manifold lower end is connected with inlet end flange (5).

2. a kind of novel exhaust manifold close coupling catalyst converter structure according to claim 1 is characterized in that: all corresponding inlet end flange (5) of each root arm of described gas exhaust manifold.