CN205654413U - Car exhaust system that makes an uproar falls in high efficiency - Google Patents

Abstract

The utility model mainly discloses a car exhaust system that makes an uproar falls in high efficiency, including intake pipe, blast pipe, outlet duct, to connect through communicating pipe between left intake pipe and the right intake pipe, communicating pipe communicates with each other with left intake pipe, right intake pipe, be equipped with the cooling tube in communicating pipe, left bank trachea and right blast pipe communicating pipe the lower part be equipped with first filter screen respectively in proper order, catalytic unit, the muffler, bumper shock absorber and second filter screen, the blast pipe inner wall is equipped with the catalyst layer, first insulating layer, establish at the catalyst layer, inhale the sound packing layer between the first insulating layer, this structure is through establishing the cooling tube in communicating pipe, can the cooling tail gas temperature, concentrate the temperature and leave gas temperature, it is gaseous on a left side, the back pressure is balanced in two blast pipes on the right side automobile exhaust blast pipe and each other non -staining, avoid the back pressure difference and influence the operation of engine, simultaneously can better pollution abatement, vibration/noise reduction.

Description

A kind of high-efficient noise-reducing automobile exhaust system

Technical field

This utility model relates to automobile technical field, particularly a kind of high-efficient noise-reducing automobile exhaust system.

Background technology

Along with the development of China's economy, it is the most universal that motor vehicles becomes, and huge numbers of families come into by automobile, industrial and agriculturally motor vehicles also answer land used widely.The engine of major part automobile is internal combustion engine at present, substantial amounts of high-temperature tail gas can be discharged during internal combustion engine, but the weak effect that motor vehicle exhaust is the most heat insulation or heat insulation, and the temperature causing exhaustor is too high, ignite oil pipe or fuel tank leakage of oil can be caused, cause motor vehicles burning.It addition, the effect of heat insulation of exhaustor is poor, uses to client and make troubles, automobilism also produces huge noise, affects daily life；Such as electromotor, variator, drive axle, power transmission shaft, compartment, windowpane, tire, relay, loudspeaker, sound equipment etc. all can produce noise, and therefore vent gas treatment and automobile noise reduction become the problem received much concern in daily life.

Utility model content

The deficiency existed for prior art, this utility model provides a kind of high-efficient noise-reducing automobile exhaust system, it is possible to express delivery heat radiation, damping noise reduction, the effect of effective cleaning of off-gas.

nullIn order to achieve the above object，This utility model is achieved through the following technical solutions: a kind of high-efficient noise-reducing automobile exhaust system，Including air inlet pipe、Exhaustor、Escape pipe，Described air inlet pipe includes left air inlet pipe and right air inlet pipe，Exhaustor includes left bank trachea and right exhaustor，Connected by communicating pipe between described left air inlet pipe and right air inlet pipe，Communicating pipe and left air inlet pipe、Right air inlet pipe communicates，It is provided with cooling tube in described communicating pipe，Described left bank trachea and right exhaustor communicating pipe bottom be sequentially provided with the first drainage screen respectively、Catalytic unit、Deafener、Amortisseur and the second drainage screen，Described catalytic unit includes housing、Air inlet、Gas outlet and catalyst carrier，Described deafener includes cylinder、Noise reduction layer，Described amortisseur includes shell、The axle ring being socketed on exhaustor、The some springs being located between axle ring and shell，Described exhaustor inwall is provided with catalyst layer、First thermal insulation layer、It is located at catalyst layer、Sound-absorbing packing layer between first thermal insulation layer，Described escape pipe includes left escape pipe and right escape pipe，It is equipped with the second drainage screen in described left escape pipe and right escape pipe.

This utility model is further arranged to: be respectively provided with into warp architecture described communicating pipe with cooling tube, and described escape pipe inwall is provided with the second thermal insulation layer；This fabric connectivity pipe is respectively provided with into warp architecture with cooling tube, add gas and communicating pipe and the contact area of cooling tube, extend the cool time of gas, reach more preferable cooling effect, the second thermal insulation layer on escape pipe inwall makes the temperature ratio of escape pipe outer wall relatively low, in order to avoid scalding operator.

This utility model is further arranged to: described catalyst layer surface is provided with the trapezoidal projection that several are evenly distributed, and described first thermal insulation layer and the second thermal insulation layer are equipped with several evenly distributed louvre and heat sink strips；The trapezoidal projection of this structure can make gas increase with catalyst layer contacts area, the catalyst absorbing harmful substance is scribbled on catalyst layer, chemical reaction is started after making gases contact catalyst, harmful gas is converted into innocuous gas, reduce the tail gas pollution to air, louvre on first thermal insulation layer and the second thermal insulation layer and heat sink strip further enhance the radiating effect of thermal insulation layer, enable temperature to distribute in time.

This utility model is further arranged to: described spring is provided with at least 4 and is uniformly located between axle ring and shell；This structure spring is provided with 4, rational in infrastructure, easily manufactured.

Beneficial effect:

By setting cooling tube within communicating pipe, can cooled exhaust gas temperature, concentrate temperature and gas temperature is dispersed, gas in left and right two exhaustors back pressure equilibrium vehicle-exhaust exhaust pipe and do not pollute mutually, avoid back pressure different and have influence on the operation of electromotor, can preferably reduce pollution, damping noise reduction simultaneously.

Accompanying drawing explanation

Fig. 1 is structural representation figure of the present utility model；

Fig. 2 is the structural representation of exhaustor in this utility model embodiment；

Fig. 3 is the A portion enlarged drawing of Fig. 2；

Fig. 4 is the sectional view of the A-A of Fig. 1.

Reference: 100, left air inlet pipe；101, right air inlet pipe；102, left bank trachea 102；103, right exhaustor；104, communicating pipe；105, the first drainage screen；106, catalytic unit；107, deafener；108, amortisseur；109, the second drainage screen；112, housing；113, air inlet；114, gas outlet；115, catalyst carrier；116, cylinder；117, noise reduction layer；119, shell；120, axle ring；121, spring；122, cooling tube；123, left escape pipe；124, right escape pipe；200, exhaustor；201, catalyst layer；202, the first thermal insulation layer；203, sound-absorbing packing layer；204, trapezoidal projection；205, louvre；206, heat sink strip；300, escape pipe；301, the second thermal insulation layer.

Detailed description of the invention

In conjunction with accompanying drawing, this utility model preferred embodiment is described in further details.

nullAs Figure 1-4，A kind of high-efficient noise-reducing automobile exhaust system，Including air inlet pipe、Exhaustor 200、Escape pipe (300)，Described air inlet pipe includes left air inlet pipe 100 and right air inlet pipe 101，Exhaustor 200 includes left bank trachea 102 and right exhaustor 103，It is characterized in that: by connecting communicating pipe 104 between described left air inlet pipe 100 and right air inlet pipe 101，Communicating pipe 104 and left air inlet pipe 100、Right air inlet pipe 101 communicates，It is provided with cooling tube 122 in described communicating pipe 104，Described left bank trachea 102 and right exhaustor 103 communicating pipe 104 bottom be sequentially provided with the first drainage screen 105 respectively、Catalytic unit 106、Deafener 107、Amortisseur 108 and the second drainage screen 109，Described catalytic unit 106 includes housing 112、Air inlet 113、Gas outlet 114 and catalyst carrier 115，Described deafener 107 includes cylinder 116、Noise reduction layer 117，Described amortisseur 108 includes shell 119、The axle ring 120 being socketed on exhaustor、The some springs 121 being located between axle ring 120 and shell 119，Described exhaustor 200 inwall is provided with catalyst layer 201、First thermal insulation layer 202、It is located at catalyst layer 201、Sound-absorbing packing layer 203 between first thermal insulation layer 202，Described escape pipe 300 includes left escape pipe 123 and right escape pipe 124，The second drainage screen 109 it is equipped with in described left escape pipe 123 and right escape pipe 124；Be respectively provided with into warp architecture described communicating pipe 104 with cooling tube 122, described escape pipe 300 inwall is provided with the second thermal insulation layer 301；Described catalyst layer 201 surface is provided with several evenly distributed trapezoidal projections 204, and described first thermal insulation layer 202 and the second thermal insulation layer 301 are equipped with several evenly distributed louvres 205 and heat sink strip 206；Described spring 121 is provided with at least 4 and is uniformly located between axle ring 120 and shell 119.

nullDuring real work，This fabric connectivity pipe 104 is respectively provided with into warp architecture with cooling tube 122，Add gas and communicating pipe 104 and the contact area of cooling tube 122，Extend the cool time of gas，Reach more preferable cooling effect，The second thermal insulation layer 301 on escape pipe 300 inwall makes the temperature ratio of escape pipe 300 outer wall relatively low，In order to avoid scalding operator，The trapezoidal projection of this structure 204 can make gas increase with catalyst layer 201 contact area，The catalyst absorbing harmful substance is scribbled on catalyst layer 201，Chemical reaction is started after making gases contact catalyst，Harmful gas is converted into innocuous gas，Reduce the tail gas pollution to air，Louvre 205 on first thermal insulation layer 202 and the second thermal insulation layer 301 and heat sink strip 206 further enhance the radiating effect of thermal insulation layer，Temperature is enable to distribute in time，Spring 121 is provided with 4，Rational in infrastructure，Easily manufactured,This utility model is by setting cooling tube within communicating pipe，Can cooled exhaust gas temperature，Concentrate temperature and gas temperature is dispersed，Gas is on a left side、The vehicle-exhaust exhaust pipe of back pressure equilibrium and not polluting mutually in right two exhaustors，Avoid back pressure different and have influence on the operation of electromotor，Can preferably reduce pollution simultaneously、Damping noise reduction.

Above-described embodiment is only used for illustrating inventive concept of the present utility model, rather than the restriction to this utility model rights protection, all changes utilizing this design that this utility model carries out unsubstantiality, protection domain of the present utility model all should be fallen into.

Claims (4)

1. a high-efficient noise-reducing automobile exhaust system, including air inlet pipe, exhaustor (200), escape pipe (300), Described air inlet pipe includes left air inlet pipe (100) and right air inlet pipe (101), and exhaustor (200) includes a left side Exhaustor (102) and right exhaustor (103), it is characterised in that: described left air inlet pipe (100) and the right side Connected by communicating pipe (104) between air inlet pipe (101), communicating pipe (104) and left air inlet pipe (100), Right air inlet pipe (101) communicates, and is provided with cooling tube (122), described left bank in described communicating pipe (104) Trachea (102) and right exhaustor (103) are sequentially provided with the first mistake respectively in communicating pipe (104) bottom Filter screen (105), catalytic unit (106), deafener (107), amortisseur (108) and second are filtered Net (109), described catalytic unit (106) includes housing (112), air inlet (113), gas outlet (114) and catalyst carrier (115), described deafener (107) includes cylinder (116), noise reduction layer (117), described amortisseur (108) include shell (119), the axle ring (120) that is socketed on exhaustor, The some springs (121) being located between axle ring (120) and shell (119), described exhaustor (200) Inwall be provided with catalyst layer (201), the first thermal insulation layer (202), be located at catalyst layer (201), first Sound-absorbing packing layer (203) between thermal insulation layer (202), described escape pipe (300) includes left escape pipe (123) It is equipped with second with in right escape pipe (124), described left escape pipe (123) and right escape pipe (124) Drainage screen (109).

A kind of high-efficient noise-reducing automobile exhaust system the most according to claim 1, it is characterised in that: described connection Pipe (104) is respectively provided with into warp architecture with cooling tube (122), and described escape pipe (300) inwall sets There is the second thermal insulation layer (301).

A kind of high-efficient noise-reducing automobile exhaust system the most according to claim 1, it is characterised in that: described catalysis Oxidant layer (201) surface is provided with the trapezoidal projection (204) that several are evenly distributed, described first thermal insulation layer (202) be equipped with on and the second thermal insulation layer (301) several evenly distributed louvres (205) and Heat sink strip (206).

A kind of high-efficient noise-reducing automobile exhaust system the most according to claim 1, it is characterised in that: described spring (121) it is provided with at least 4 and is uniformly located between axle ring (120) and shell (119).