CN104389658A - Automobile exhaust device - Google Patents
Automobile exhaust device Download PDFInfo
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- CN104389658A CN104389658A CN201410529811.0A CN201410529811A CN104389658A CN 104389658 A CN104389658 A CN 104389658A CN 201410529811 A CN201410529811 A CN 201410529811A CN 104389658 A CN104389658 A CN 104389658A
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Abstract
The invention provides an automobile exhaust device, and belongs to the technical field of an automobile accessory. The automobile exhaust device solves the problem of poor tail gas purification effect of the existing environment-friendly automobile tail gas tube. The automobile exhaust device comprises an air inlet pipe and an exhaust pipe, wherein an air inlet end and an air outlet end are arranged on the air inlet pipe, the inner side wall of the air inlet pipe is in a conical shape, in addition, the diameter of the inner side wall of the air inlet pipe is gradually reduced in the airflow direction, a first annular groove is formed in the end surface of the air outlet end, the inner end of the exhaust pipe is inserted into the first annular groove, a sealing assembly used for connecting and sealing the inner end of the exhaust pipe and the first annular groove is arranged between the inner end of the exhaust pipe and the first annular groove, a connecting structure used for fixedly connecting the air inlet pipe and the exhaust pipe is arranged between the air inlet pipe and the exhaust pipe, a clamp groove is formed in the exhaust pipe, wet curtain units are clamped and connected into the clamp groove, a sealing plate is also fixedly connected onto the outer edge of the outer end of the exhaust pipe, in addition, the position of the sealing plate is right aligned with the position of the wet curtain unit, a plurality of exhaust holes are formed in the sealing plate, and catalysts are filled between the sealing plate and the wet curtain unit. The automobile exhaust device has the advantage of good tail gas purification effect.
Description
Technical field
The invention belongs to technical field of automobile, relate to a kind of exhaust system.
Background technique
At present, recoverable amount is soaring rapidly per capita for the automobile of China, and the tail gas filtered is not carried out in automobile discharge every day in a large number, and automobile exhaust pollution is day by day serious, and a large amount of vehicle exhaust makes urban air-quality constantly decline, and pollution of atmosphere is worth to be worried.
For prior art Problems existing, people have appreciated and have not known and improved, a kind of environmentally-frieautomobile automobile exhaust cylinder [application number: 201210447955.2 disclosed in Chinese patent storehouse; Publication number: CN102900493A], comprise relief opening car tail inflator, heat insulation ring, tail gas cylinder suction port, locking device and active carbon layer, car tail inflator one end is connected with tail gas cylinder suction port by locking device, heat insulation ring is provided with in car tail inflator, the other end of car tail inflator is connected with relief opening, and vehicle exhaust tube inner surface is provided with active carbon layer.
Above-mentioned environmentally-frieautomobile automobile exhaust cylinder purifies vehicle exhaust only by active carbon layer, and purifying effect is not good.
Wet curtain, another name cascade and water curtain, in cellular structure, formed by body paper processing, wet curtain has ventilated and decay resistance, having fabulous filtration to dirt dirty in air, is the environment-friendly materials of nonpoisonous and tasteless cleaning humidification, oxygen supply cooling, so be also used as the medium of air purification and filtration.
Summary of the invention
The object of the invention is to there are the problems referred to above for existing technology, propose a kind of exhaust system of good tail gas purification effect.
Object of the present invention realizes by following technical proposal: a kind of exhaust system, it is characterized in that, comprise all tubular suction tude and outlet pipe, described suction tude have inlet end and the outlet side for being connected with described outlet pipe, and the centerline collineation of the center line of described suction tude and described outlet pipe, tapered and this suction tude inner sidewall diameter of described suction tude madial wall reduces gradually along airflow direction, described outlet side end face is provided with annular groove one, described outlet pipe is inner cylindrically and this outlet pipe the inner is plugged in described annular groove one, and described outlet pipe is inner and be provided with between described annular groove one and make both be connected the black box sealed, the minimum diameter of described suction tude is less than the inner internal diameter of described outlet pipe, the linkage structure making both be connected is provided with between described suction tude and described outlet pipe, a draw-in groove is in the form of a ring provided with in described outlet pipe, wet curtain unit is connected with in described draw-in groove, described outlet pipe outer end outer rim is also fixed with sealing plate and described sealing plate the position of position and described wet curtain unit face, the sidewall faced with described wet curtain unit on described sealing plate is provided with some exhaust ports, catalyzer is filled with between described sealing plate and described wet curtain unit.
Catalyzer can be the pellet type catalyst such as manganese dioxide, cupric oxide, and the diameter of catalyzer should be greater than the aperture of exhaust port, avoids catalyzer to leak into outside by exhaust port.
During work, vehicle exhaust to be entered in suction tude by the inlet end in suction tude and adds pressure at suction tude hole taper, then to spurt in outlet pipe and to be ejected on wet curtain unit, under the effect of wet curtain unit, granule foreign in the vehicle exhaust curtain unit that wet is absorbed, wet curtain unit can be passed by the gas after wet curtain purification unit subsequently and fully contact with catalyzer, and under the effect of catalyzer, CO in vehicle exhaust is oxidized to CO, HC is oxidized to CO2 and H2O etc., finally be discharged to the outside in environment from the exhaust port on sealing plate by the vehicle exhaust after purifying completely.
Owing to entering into vehicle exhaust in suction tude inherently with certain impulse force, pressure is added further again by suction tude hole taper, the impulse force of the gas entered in outlet pipe made is further strengthened, thus enable stronger the impacting in wet curtain unit and the granule foreign in vehicle exhaust better can be absorbed by wet curtain unit of vehicle exhaust, thus improve the purifying effect of this vehicle exhaust pipe;
Minimum diameter due to suction tude madial wall is less than the inner internal diameter of outlet pipe, when the vehicle exhaust of suction tude enters into outlet pipe the inner, make the pull of vacuum that can produce in outlet pipe, vehicle exhaust is further moved towards wet curtain unit place, thus strengthen the assimilation effect of wet curtain unit further, thus improve the purifying effect of this vehicle exhaust pipe further;
Be plugged in the annular groove one in outlet side by outlet pipe the inner, make the connection between outlet pipe and suction tude more stable, also make by linkage structure, outlet pipe and suction tude to be connected convenient simultaneously; Between outlet pipe the inner and annular groove one, black box is set, the connection between outlet pipe the inner and suction tude is made to remain sealing, thus make vehicle exhaust completely through wet curtain unit, catalyzer discharging final exhaust port on sealing plate, and simultaneously, a small amount of granule foreign in residual gas can be stopped by arranging sealing plate, thus make the purifying effect improving this vehicle exhaust pipe further.
In above-mentioned exhaust system, the inner madial wall of described outlet pipe has annular groove two, above-mentioned black box comprises 0 RunddichtringO being positioned at described annular groove two, and inner peripheral surface and described annular groove one madial wall of 0 described RunddichtringO offset.
Because the vehicle exhaust entered in outlet pipe exists certain high temperature, outlet pipe can outwards be expanded, connection between outlet pipe the inner and annular groove two is sealed not, and by arranging 0 RunddichtringO between the inner madial wall of outlet pipe and annular groove one madial wall, the connection between outlet pipe the inner and annular groove one is made to remain sealing, thus avoid vehicle exhaust to leak from the joint between outlet pipe the inner and annular groove one, thus make the purifying effect improving this vehicle exhaust pipe further.
In above-mentioned exhaust system, the maximum ga(u)ge of described outlet pipe the inner and the groove width of described annular groove one match.
Namely the maximum ga(u)ge of outlet pipe the inner is slightly less than the groove width of annular groove one, when outlet pipe the inner is plugged in annular groove one, deformation can be there is in 0 RunddichtringO under the extruding of the inner madial wall of outlet pipe and annular groove one madial wall, the sealing of the connection between further reinforced platoon tracheae the inner and annular groove one, thus improve the effect of the purifying automobile tail gas of this exhaust system further.
Alternatively, in above-mentioned exhaust system, described black box comprises and is positioned at the first sealing gasket on annular groove one diapire and in the form of a ring, and the inner end face of described outlet pipe and the first described sealing gasket offset.
By diapire in annular groove one arranges the first sealing gasket, and under the effect of linkage structure, the inner end face of outlet pipe can offset with the first sealing gasket all the time, thus make the connection between outlet pipe the inner and annular groove one remain sealing, thus improve the effect of the purifying automobile tail gas of this exhaust system further.
Alternatively, in above-mentioned exhaust system, the inner madial wall of described outlet pipe has annular groove two, described black box comprises 0 RunddichtringO that is positioned at described annular groove two and is positioned at the first sealing gasket on annular groove one diapire and in the form of a ring, outer circumferential face and described annular groove one madial wall of 0 described RunddichtringO offset, and the first described sealing gasket and the inner end face of described outlet pipe offset.
By arranging the first sealing gasket and 0 RunddichtringO, make, between outlet pipe the inner and annular groove one, there are 2 seal structures, thus increase the difficulty that vehicle exhaust leaks into external environment condition, the vehicle exhaust enable flows through wet curtain unit and catalyzer completely and discharges from exhaust port, thus improves the effect of the purifying automobile tail gas of this exhaust system further.
In above-mentioned exhaust system, described suction tude outer rim is bolted with locking nut, described linkage structure comprises and is positioned at the annular gear edge on described locking nut inner edge and the annular convex shoulder in described outlet pipe outer rim, described annular gear along with described annular convex shoulder near described sealing plate end face recline mutually.
When mounted, first outlet pipe the inner is plugged in annular groove one, then locking nut to be sheathed on outlet pipe and make to be positioned at annular gear inside locking nut along with outlet pipe outside on annular convex shoulder offset, finally locking nut to be threaded in outside suction tude and constantly to move to suction tude inlet end place, thus outlet pipe and suction tude are stably fixed;
Simultaneously, in the process of locking nut to the continuous movement in suction tude inlet end place, outlet pipe the inner to offset with the first sealing gasket and deformation occur under making the effect of the first sealing gasket diapire in the inner end face of outlet pipe and annular groove one, making that outlet pipe is inner can close contact with the first sealing gasket, thus the sealing further enhanced between outlet pipe the inner and suction tude, improve the effect of the purifying automobile tail gas of this exhaust system further.
Alternatively, in above-mentioned exhaust system, described linkage structure comprises and is positioned at annular shoulder block in described outlet pipe outer rim one and is positioned at annular shoulder block two in described suction tude outer rim, and described annular shoulder block one and described annular shoulder block two are fixed by screw.
When mounted, first outlet pipe the inner is plugged in annular groove one, then by screw, annular shoulder block one moved to annular shoulder block two place and be fixed together with annular shoulder block two, and in the moving process of annular shoulder block one, outlet pipe the inner to offset with the first sealing gasket and deformation occur under making the effect of the first sealing gasket diapire in the inner end face of outlet pipe and annular groove one, making that outlet pipe is inner can close contact with the first sealing gasket, thus the sealing further enhanced between outlet pipe the inner and suction tude, the effect of the purifying automobile tail gas of further this exhaust system of raising.
In above-mentioned exhaust system, described outlet pipe comprises the steam outlet pipe and the connecting tube for being connected with described suction tude that are connected mutually, described steam outlet pipe and described connecting tube are all cylindrically, the end face that described steam outlet pipe faces with connecting tube is provided with draw-in groove one in the form of a ring, the end face that described connecting tube faces with steam outlet pipe is provided with draw-in groove two in the form of a ring, described draw-in groove one and the cross section of draw-in groove two are all in " recessed " font, and described draw-in groove one and draw-in groove two form above-mentioned draw-in groove.
Outlet pipe is divided into the steam outlet pipe be connected mutually and connecting tube, and the end face that steam outlet pipe faces with connecting tube has draw-in groove one; The end face that connecting tube faces with steam outlet pipe also has draw-in groove two, and when steam outlet pipe and connecting tube offset, draw-in groove one and draw-in groove two form draw-in groove.By above-mentioned design, facilitate the installation of wet curtain unit, the damage that wet curtain unit is subject to when mounted can be reduced simultaneously.
In above-mentioned exhaust system, described draw-in groove one and draw-in groove two include the madial wall that a diapire and is cylndrical surface, tapered and the diameter that is this draw-in groove one diapire of described draw-in groove one diapire reduces gradually along airflow direction, and the tapered and diameter that is this draw-in groove two diapire of described draw-in groove two diapire increases gradually along airflow direction.
Adopt above-mentioned design, when installing wet curtain unit, all tapered draw-in groove one diapire and draw-in groove two diapire can play the guiding role to the installation of wet curtain unit, and wet curtain unit is connected in draw-in groove more swimmingly; Meanwhile, adopt tapered draw-in groove two, leading role can be played to the flow direction of vehicle exhaust, vehicle exhaust can be entered in wet curtain unit more swimmingly and by wet curtain purification unit.
In above-mentioned exhaust system, the second sealing gasket is in the form of a ring provided with between the both ends of the surface that described connecting tube and steam outlet pipe face, described connecting tube outer rim also has the annular joint one of protrusion, in described steam outlet pipe outer rim, correspondence is provided with annular joint two, and described annular joint one and annular joint two make the second described sealing gasket two ends have to be connected mutually with the screw of described connecting tube end face and steam outlet pipe end face close contact trend respectively by some.
Be connected mutually by screw between connecting tube with steam outlet pipe, there is stable connection and firm advantage; Under the effect of some screws, second sealing gasket two ends respectively with connecting tube end face and steam outlet pipe end face close contact, make the connection between connecting tube and steam outlet pipe remain sealing, avoid causing tail gas to leak, thus improve the effect of the purifying automobile tail gas of this exhaust system further.
Compared with prior art, this exhaust system has the following advantages:
1, pressure is added further by suction tude hole taper, the impulse force of the gas entered in outlet pipe made is further strengthened, thus enable stronger the impacting in wet curtain unit and the granule foreign in vehicle exhaust better can be absorbed by wet curtain unit of vehicle exhaust, thus improve the purifying effect of this vehicle exhaust pipe.
2, be plugged in the annular groove one in outlet side by outlet pipe the inner, make the connection between outlet pipe and suction tude more stable, also make by linkage structure, outlet pipe and suction tude to be connected convenient simultaneously.
3, by arranging the first sealing gasket and 0 RunddichtringO, make, between outlet pipe the inner and annular groove one, there are 2 seal structures, thus increase the difficulty that vehicle exhaust leaks into external environment condition, the vehicle exhaust enable flows through wet curtain unit and catalyzer completely and discharges from exhaust port, thus improves the effect of the purifying automobile tail gas of this exhaust system further.
4, a small amount of granule foreign in residual gas can be stopped by arranging sealing plate, thus make the purifying effect improving this vehicle exhaust pipe further.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of this exhaust system;
Fig. 2 is the sectional structure schematic diagram of suction tude;
Fig. 3 is the sectional structure schematic diagram of connecting tube;
Fig. 4 is the sectional structure schematic diagram of steam outlet pipe.
In figure, 1, suction tude; 1a, inlet end; 1b, outlet side; 1b1, annular groove one; 1c, suction tude madial wall; 2, outlet pipe; 2a, connecting tube; 2a1, annular joint one; 2a2, connecting tube are inner; 2a3, annular convex shoulder; 2b, steam outlet pipe; 2b1, annular joint two; 2c, draw-in groove; 2c1, draw-in groove one; 2c2, draw-in groove two; 3, wet curtain unit; 3a, wet curtain; 4, sealing plate; 4a, exhaust port; 5, screw; 6, the second sealing gasket; 7, locking nut; 7a, annular gear edge; 8, black box; 8a, 0 RunddichtringO; 8b, the first sealing gasket; 9, catalyzer.
Embodiment
Be below specific embodiments of the invention and by reference to the accompanying drawings, technological scheme of the present invention is further described, but the present invention be not limited to these embodiments.
Embodiment one
As shown in Figure 1, this exhaust system is made up of suction tude 1, outlet pipe 2, wet curtain unit 3, sealing plate 4 etc.Wherein, suction tude 1 is in tubular and this suction tude 1 two ends are respectively inlet end 1a and outlet side 1b, and vehicle exhaust to be entered in suction tude 1 by inlet end 1a and discharges from outlet side 1b.
Outlet pipe 2 comprises interconnective connecting tube 2a and steam outlet pipe 2b, and connecting tube 2a and steam outlet pipe 2b all cylindrically and both centerline collineations.Specifically, connecting tube 2a outer rim has and protrudes annular joint one 2a1, in steam outlet pipe 2b outer rim, correspondence offers annular joint two 2b1, and annular joint one 2a1 and annular joint two 2b1 are connected mutually by some screws 5 thus connecting tube 2a and steam outlet pipe 2b is stably fixed together.
In order to strengthen the sealing connected between connecting tube 2a and steam outlet pipe 2b, in the present embodiment, between connecting tube 2a and steam outlet pipe 2b, be also provided with the second sealing gasket 6, and the second sealing gasket 6 is fixed on connecting tube 2a end face or steam outlet pipe 2b end face by the mode of welding.Under the effect of some screws 5, the two ends of the second sealing gasket 6 respectively with connecting tube 2a end face and steam outlet pipe 2b end face tight abutment, the connection between connecting tube 2a and steam outlet pipe 2b is made to remain sealing, avoid causing tail gas to leak, thus improve the effect of the purifying automobile tail gas of this exhaust system.
As shown in Figure 1, Figure 3 and Figure 4, the end face that steam outlet pipe 2b faces with connecting tube 2a is provided with draw-in groove one 2c1 in the form of a ring, the end face that connecting tube 2a faces with steam outlet pipe 2b is provided with draw-in groove two 2c2 in the form of a ring, the cross section of draw-in groove one 2c1 and draw-in groove two 2c2 is all in " recessed " font, and when connecting tube 2a is connected by some screws 5 mutually with steam outlet pipe 2b, draw-in groove one 2c1 and draw-in groove two 2c2 form a draw-in groove 2c being used for the above-mentioned wet curtain unit 3 of clamping.By arranging the steam outlet pipe 2b and connecting tube 2a that removably connect, the installation of convenient wet curtain unit 3, can reduce the damage that wet curtain unit 3 is subject to when mounted simultaneously.
Further optimization, draw-in groove one 2c1 and draw-in groove two 2c2 includes the madial wall that a diapire and is cylndrical surface.Wherein, the tapered and diameter that is this draw-in groove one 2c1 diapire of draw-in groove one 2c1 diapire reduces gradually along airflow direction; Tapered and the diameter that is this draw-in groove two 2c2 diapire of draw-in groove two 2c2 diapire increases gradually along airflow direction.By arranging all tapered draw-in groove one 2c1 diapire and draw-in groove two 2c2 diapire, can play the guiding role to the installation of wet curtain unit 3, wet curtain unit 3 can be connected in draw-in groove 2c more swimmingly, adopt tapered draw-in groove two 2c2 simultaneously, leading role can be played to the flow direction of vehicle exhaust, vehicle exhaust can be entered in wet curtain unit 3 more swimmingly and purified by wet curtain unit 3.
As shown in Figure 1, wet curtain unit 3 comprise some pieces be arranged in parallel and wet curtain 3a in the form of annular discs, and some pieces of wet curtain 3a are all fixed in draw-in groove 2c by the mode of clamping.By arranging some pieces of wet curtain 3a, the chance that vehicle exhaust contacts with wet curtain 3a can be increased, thus increase the amount that in vehicle exhaust, granule foreign is absorbed by the curtain 3a that wets, then improve the effect of the purifying automobile tail gas of this exhaust system.Nature, wet curtain unit 3 may also be only one piece of wet curtain.
Suction tude 1 is connected with connecting tube 2a by the outlet side 1b in suction tude 1, and the centerline collineation of the center line of suction tude 1 and connecting tube 2a.Specifically, the end face of outlet side 1b is provided with annular groove one 1b1, and the inner 2a2 of connecting tube to be plugged in annular groove one 1b1 and to be provided with the linkage structure making both be connected between connecting tube 2a and outlet side 1b.
In the present embodiment, outlet side 1b has been threaded a locking nut 7, and above-mentioned linkage structure comprises the annular be positioned on locking nut 7 inner edge and keeps off along the annular convex shoulder 2a3 on 7a and connecting tube 2a outer rim.Concrete installation process is as follows, first connecting tube 2a the inner is plugged in annular groove one 1b1, then locking nut 7 to be sheathed on connecting tube 2a and the annular gear making to be positioned at inside locking nut 7 outside 7a and connecting tube 2a on annular convex shoulder 2a3 offset, finally locking nut 7 to be threaded in outside suction tude 1 and continuous mobile to the inlet end 1a place in suction tude 1, thus connecting tube 2a and suction tude 1 are stably fixed.
Further optimization, the inner 2a2 of connecting tube makes both be connected the black box 8 sealed with being provided with between annular groove one 1b1.As shown in Figure 3, the inner 2a2 madial wall of connecting tube has annular groove two, black box 8 comprises the 0 RunddichtringO 8a that is positioned at annular groove two and is positioned at the first sealing gasket 8b on annular groove one 1b1 diapire and in the form of a ring.And when connecting tube 2a is plugged in annular groove one 1b1, outer circumferential face and the annular groove one 1b1 madial wall of 0 RunddichtringO 8a offset, the first sealing gasket 8b and the inner 2a2 end face of connecting tube offset.
By arranging the first sealing gasket 8b and 0 RunddichtringO 8a, make, between the inner 2a2 and annular groove one 1b1 of connecting tube, there are 2 seal structures, thus increase the difficulty that vehicle exhaust leaks into external environment condition, the vehicle exhaust enable flows through wet curtain unit 3 completely, thus improves the effect of the purifying automobile tail gas of this exhaust system further.
Further optimization, the inner maximum ga(u)ge of 2a2 of connecting tube and the groove width of annular groove one 1b1 match.When the inner 2a2 of connecting tube is plugged in annular groove one 1b1, deformation can be there is in 0 RunddichtringO 8a under the extruding of the inner 2a2 madial wall of connecting tube and annular groove one 1b1 madial wall, the sealing of the connection between further reinforced platoon tracheae 2 the inner and annular groove one 1b1, thus improve the effect of the purifying automobile tail gas of this exhaust system further.
As shown in Figure 2, suction tude 1 also comprises a tapered madial wall, and the diameter of this suction tude madial wall 1c reduces gradually along airflow direction, make to enter into vehicle exhaust in suction tude 1 and add pressure further at suction tude 1 hole taper, thus enable stronger the impacting in wet curtain unit 3 and the granule foreign in vehicle exhaust better can be absorbed by wet curtain unit 3 of vehicle exhaust, thus improve the purifying effect of this vehicle exhaust pipe 2.
Further optimization, the minimum diameter of suction tude 1 is less than the internal diameter of connecting tube 2a.When the vehicle exhaust of suction tude 1 enters into outlet pipe 2 the inner, make the pull of vacuum that can produce in outlet pipe 2, vehicle exhaust is further moved towards wet curtain unit 3 place, thus strengthens the assimilation effect of wet curtain unit 3 further, thus improve the purifying effect of this exhaust system further.
As shown in Figure 1, steam outlet pipe 2b outer rim is also connected with above-mentioned sealing plate 4.In the present embodiment, sealing plate 4 is in the form of annular discs and be threaded on steam outlet pipe 2b outer end, and now, the position of sealing plate 4 and the position of wet curtain unit 3 face.Sealing plate 4 is also provided with some exhaust port 4a, the vehicle exhaust after being cleaned is discharged from exhaust port 4a.
Some catalyzer 9 are filled with and some catalyzer 9 are all arranged in steam outlet pipe 2b between sealing plate 4 and wet curtain unit 3.Wherein, catalyzer 9 can be the pellet type catalyst such as manganese dioxide, cupric oxide 9, and the diameter of catalyzer 9 should be greater than the aperture of exhaust port 4a, catalyzer 9 is avoided to leak into outside by exhaust port 4a, under the effect of catalyzer 9, the CO in vehicle exhaust is oxidized to the gas that CO, HC are oxidized to the nontoxic pollution-frees such as CO2 and H2O.
The working principle of this exhaust system is roughly as follows: vehicle exhaust to be entered in suction tude 1 by the inlet end 1a in suction tude 1 and adds pressure at suction tude 1 hole taper, then to spurt in connecting tube 2a and to be ejected on wet curtain unit 3, under the effect of wet curtain unit 3, granule foreign in the vehicle exhaust curtain unit 3 that wet is absorbed, wet curtain unit 3 can be passed by wet curtain unit 3 purified gas subsequently and fully contact with catalyzer 9, and under the effect of catalyzer 9, CO in vehicle exhaust is oxidized to CO, HC is oxidized to CO2 and H2O etc., finally be discharged to the outside in environment from the exhaust port 4a on sealing plate 4 by the vehicle exhaust after purifying completely.
Embodiment two
The present embodiment two with the structure of embodiment one and principle substantially identical, different place is: black box 8 comprises the 0 RunddichtringO 8a being positioned at annular groove two, and inner peripheral surface and annular groove two madial wall of 0 RunddichtringO 8a offset.
Embodiment three
The present embodiment three with the structure of embodiment one and principle substantially identical, different place is: black box 8 comprises and is positioned at the first sealing gasket 8b on annular groove diapire and in the form of a ring, and the inner 2a2 end face of connecting tube and upper first sealing gasket 8b offset.
Embodiment four
The present embodiment four with the structure of embodiment one and principle substantially identical, different place is: linkage structure comprises and is positioned at annular shoulder block in outlet pipe 2 outer rim one and is positioned at annular shoulder block two in suction tude 1 outer rim, and annular shoulder block one and annular shoulder block two are fixed by screw 5.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Claims (10)
1. an exhaust system, it is characterized in that, comprise all tubular suction tude and outlet pipe, described suction tude have inlet end and the outlet side for being connected with described outlet pipe, and the centerline collineation of the center line of described suction tude and described outlet pipe, tapered and this suction tude inner sidewall diameter of described suction tude madial wall reduces gradually along airflow direction, described outlet side end face is provided with annular groove one, described outlet pipe is inner cylindrically and this outlet pipe the inner is plugged in described annular groove one, and described outlet pipe is inner and be provided with between described annular groove one and make both be connected the black box sealed, the minimum diameter of described suction tude is less than the inner internal diameter of described outlet pipe, the linkage structure making both be connected is provided with between described suction tude and described outlet pipe, a draw-in groove is in the form of a ring provided with in described outlet pipe, wet curtain unit is connected with in described draw-in groove, described outlet pipe outer end outer rim is also fixed with sealing plate and described sealing plate the position of position and described wet curtain unit face, the sidewall faced with described wet curtain unit on described sealing plate is provided with some exhaust ports, catalyzer is filled with between described sealing plate and described wet curtain unit.
2. a kind of exhaust system according to claim 1, it is characterized in that, the inner madial wall of described outlet pipe has annular groove two, described black box comprises 0 RunddichtringO that is positioned at described annular groove two and is positioned at the first sealing gasket on annular groove one diapire and in the form of a ring, outer circumferential face and described annular groove one madial wall of 0 described RunddichtringO offset, and the first described sealing gasket and the inner end face of described outlet pipe offset.
3. a kind of exhaust system according to claim 2, is characterized in that, the maximum ga(u)ge of described outlet pipe the inner and the groove width of described annular groove one match.
4. a kind of exhaust system according to claim 1, it is characterized in that, the inner madial wall of described outlet pipe has annular groove two, above-mentioned black box comprises 0 RunddichtringO being positioned at described annular groove two, and inner peripheral surface and described annular groove one madial wall of 0 described RunddichtringO offset.
5. a kind of exhaust system according to claim 1, is characterized in that, described black box comprises and is positioned at the first sealing gasket on annular groove one diapire and in the form of a ring, and the inner end face of described outlet pipe and the first described sealing gasket offset.
6. a kind of exhaust system according to claim 3 or 4 or 5, it is characterized in that, described suction tude outer rim is bolted with locking nut, described linkage structure comprises and is positioned at the annular gear edge on described locking nut inner edge and the annular convex shoulder in described outlet pipe outer rim, described annular gear along with described annular convex shoulder near described sealing plate end face recline mutually.
7. a kind of exhaust system according to claim 3 or 4 or 5, it is characterized in that, described linkage structure comprises and is positioned at annular shoulder block in described outlet pipe outer rim one and is positioned at annular shoulder block two in described suction tude outer rim, and described annular shoulder block one and described annular shoulder block two are fixed by screw.
8. a kind of exhaust system according to claim 6, it is characterized in that, described outlet pipe comprises the steam outlet pipe and the connecting tube for being connected with described suction tude that are connected mutually, described steam outlet pipe and described connecting tube are all cylindrically, the end face that described steam outlet pipe faces with connecting tube is provided with draw-in groove one in the form of a ring, the end face that described connecting tube faces with steam outlet pipe is provided with draw-in groove two in the form of a ring, described draw-in groove one and the cross section of draw-in groove two are all in " recessed " font, and described draw-in groove one and draw-in groove two form above-mentioned draw-in groove.
9. a kind of exhaust system according to claim 8, it is characterized in that, described draw-in groove one and draw-in groove two include the madial wall that a diapire and is cylndrical surface, tapered and the diameter that is this draw-in groove one diapire of described draw-in groove one diapire reduces gradually along airflow direction, and the tapered and diameter that is this draw-in groove two diapire of described draw-in groove two diapire increases gradually along airflow direction.
10. a kind of exhaust system according to claim 9, it is characterized in that, the second sealing gasket is in the form of a ring provided with between the both ends of the surface that described connecting tube and steam outlet pipe face, described connecting tube outer rim also has the annular joint one of protrusion, in described steam outlet pipe outer rim, correspondence is provided with annular joint two, and described annular joint one and annular joint two make the second described sealing gasket two ends have to be connected mutually with the screw of described connecting tube end face and steam outlet pipe end face close contact trend respectively by some.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410529811.0A CN104389658B (en) | 2014-10-10 | A kind of exhaust system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410529811.0A CN104389658B (en) | 2014-10-10 | A kind of exhaust system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104389658A true CN104389658A (en) | 2015-03-04 |
| CN104389658B CN104389658B (en) | 2017-01-04 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443205A (en) * | 2015-12-19 | 2016-03-30 | 重庆新卓汇汽车净化器有限公司 | Three-way catalytic converter cooling system |
| CN107605586A (en) * | 2017-09-05 | 2018-01-19 | 重庆光盈科技有限公司 | A kind of multi-functional motorcycle exhaust filter plant |
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| CN105443205A (en) * | 2015-12-19 | 2016-03-30 | 重庆新卓汇汽车净化器有限公司 | Three-way catalytic converter cooling system |
| CN107605586A (en) * | 2017-09-05 | 2018-01-19 | 重庆光盈科技有限公司 | A kind of multi-functional motorcycle exhaust filter plant |
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