CN201626296U - Improved diesel engine automobile air exhausting system - Google Patents
Improved diesel engine automobile air exhausting system Download PDFInfo
- Publication number
- CN201626296U CN201626296U CN201020133028XU CN201020133028U CN201626296U CN 201626296 U CN201626296 U CN 201626296U CN 201020133028X U CN201020133028X U CN 201020133028XU CN 201020133028 U CN201020133028 U CN 201020133028U CN 201626296 U CN201626296 U CN 201626296U
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- Prior art keywords
- brake
- air exhausting
- silencer
- pipe
- exhaust
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- Expired - Fee Related
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Abstract
An improved diesel engine automobile air exhausting system is provided with an air exhausting brake valve. When on a long downhill, the system can decrease the times of driving brake, reduce temperature rise of a brake drum and improve brake reliability by air exhausting brake. When using the air exhausting brake, the system can decrease oil supply of an engine to even oil breaking, and can save fuels. Corrugated pipe flexible joints are installed inside the air exhausting system; flexible connection can effectively balance axial, lateral and transverse shifting of air exhausting pipes; vibration and noise transferred by the engine to the exhausting pipes are attenuated; a corrugated pipe structure realizes the maximum movement absorption and expansion compensation in the shortest connection length; the noise of the engine can be reduced by installing a silencer inside the air exhausting system; and a silencer hanger frame provided with a cushion rubber gasket is capable of greatly relieving vibration.
Description
Technical field
The utility model relates to automobile exhaust system, particularly a kind of improved diesel car exhaust system.
Background technology
Diesel car has lower oil consumption, in the modern times, heavy motor vehicle greatly part all adopt diesel motor.In, the heavy motor vehicle quality is bigger, when long-time descending, the wearing and tearing of brake strip and brake wheel are bigger, sometimes even have and brake efficiency takes place reduce the situation that causes major traffic accidents and take place.In exhaust system, front exhaust pipe is contained on the engine exhaust port, has relative vibration to cause displacement owing between driving engine and the vehicle frame, and vehicle frame is stressed can distortion, and freeing pipe and noise silencer are heated also can dilatational strain.In the present exhaust system, freeing pipe tail pipe and noise silencer are connected on the vehicle frame by rubber buffer and suspension bracket, therefore cause having relative displacement between trail pipe and noise silencer and the driving engine.Between driving engine and the bleeder line as adopt this rigidly connected mode that belongs to basically, then can cause bigger additional stress because of the relative displacement of each parts, can cause freeing pipe distortion and gas leakage and cause exhaust roar to put outward, be that exhaust is without noise silencer, and noise is increased, can damage the parts of exhaust system when serious, as engine exhaust port, front exhaust pipe, noise silencer and trail pipe communication port etc. reduce service life of above-mentioned parts to I haven't seen you for ages.
The utility model content
The utility model proposes a kind of improved diesel car exhaust system, it can overcome the problems referred to above.
This improved diesel car exhaust system that the utility model provides, it is characterized in that: suspension bracket fixes a silencer behind the pad rubber pad on the chassis side rail, noise silencer passes through the noise silencer anulated connection on silencer hanging bracket, front exhaust pipe is divided into two sections, be respectively: front exhaust pipe () and front exhaust pipe (two), at the noise silencer front end, between front exhaust pipe () and the front exhaust pipe (two) exhaust brake valve is housed, on front exhaust pipe (two), be welded with the flexible joint of one section bellows, front exhaust pipe (two) is connected with clip () with noise silencer, and the noise silencer rear end is connected with trail pipe with clip (two).
Described front exhaust pipe (one) front end be welded with the projection annulus, on the pad behind the copper cushion with pressing plate by bolted connection on the exhaust pipe of engine, have better seal.
Described noise silencer front end inducer along the circumferential direction has four grooves; Trail pipe front end inducer along the circumferential direction has four grooves.
Between front exhaust pipe () and the front exhaust pipe (two) exhaust brake valve is housed, the kill engine way of exhaust passage of employing makes engine piston when exhaust stroke, is subjected to the counter pressure of gas, stop the running of driving engine and produce brake action, thereby reach the purpose of the control speed of a motor vehicle.The energy brake control comfort is effectively simple.When ice and snow reaches sliding muddy water road traveling, use energy brake, can reduce sideslip; When lower long slope, use energy brake can reduce the number of times of service brake, reduce the temperature rise of brake wheel, the wearing and tearing that alleviate brake strip and brake wheel improve the reliability of braking.When using energy brake, the supply that can reduce the driving engine oil plant can fuel saving down to oil-break.
On front exhaust pipe (two), be welded with the flexible joint of one section bellows, flexibly connect, between can each freeing pipe of active balance axially, the displacement of vertical and horizontal, eliminate additional stress; The decay driving engine passes to the vibration and the noise of freeing pipe; Bellows structure has been realized maximum motion absorption and expansion compensation on the shortest connection length.The unfailing performance of exhaust system and the service life of parts thereof have been improved greatly.
Front exhaust pipe (two) is connected with clip () with noise silencer, tightens and can guarantee sealing behind the clip bolt.Exhaust circulates in noise silencer, can reduce noise, can reduce exhaust temperature again.Noise silencer is connected on the silencer hanging bracket after with noise silencer clip banding, is contained on the chassis side rail behind the rubber pad on the silencer hanging bracket pad, and rubber pad can alleviate vibration greatly, prolongs the service life of freeing pipe and noise silencer.The noise silencer rear end is connected with trail pipe with clip (two), and trail pipe is with the lead following rear of automobile of exhaust.
Description of drawings
Fig. 1 is the lateral plan of overall structure scheme drawing of the present utility model.
Fig. 2 is the birds-eye view of overall structure scheme drawing of the present utility model.
Fig. 3 is that the A-A cutaway view of Fig. 1 in the utility model is the noise silencer structural representation that connects to ground.
Fig. 4 is the principle of work scheme drawing during the B-B cutaway view energy brake opening of valves during Fig. 2 energy brake opening of valves in the utility model.
Fig. 5 is the principle of work scheme drawing of the B-B cutaway view exhaust brake valve when Fig. 2 exhaust brake valve is closed in the utility model when closing.
Fig. 6 is that the C-C cutaway view of Fig. 2 in the utility model is that front exhaust pipe (two) is connected with noise silencer and shows structure intention.
Fig. 7 is that the D-D cutaway view of Fig. 2 in the utility model is noise silencer and trail pipe connection structure scheme drawing.
Each label is in Fig. 1～7: 1-vehicle frame, 2-front exhaust pipe (), 3-exhaust brake valve, the flexible joint of 4-bellows, 5-front exhaust pipe (two), 6-clip (), the 7-noise silencer, 8-noise silencer clip, 9-clip (two), the 10-trail pipe, 11-silencer hanging bracket, 12-rubber pad, 13-M10 * 60 bolts, the 14-M10 nut, 15-M12 * 120 bolts, 16-M12 nut, 17-M10 * 1 * 60 bolt, 18-M10 * 1 nut, the copper cushion of 19-, the 20-exhaust pipe of engine, the 21-pressing plate, 22-M8 * 30 bolts, 23-M8 nut, 24-M10 * 40 bolts.
As shown in Figure 1, the installation matrix of exhaust system, vehicle frame 1 and the exhaust pipe of engine 20 usefulness long and two-short dash linees are represented, do transparence and handle.The major part of exhaust system has: front exhaust pipe () 2, exhaust brake valve 3, the flexible joint 4 of bellows, front exhaust pipe (two) 5, noise silencer 7, trail pipe 10, silencer hanging bracket 11, rubber pad 12.Be welded with the annulus of projection on the front exhaust pipe () 2, after copper cushion 19 is loaded onto pressing plate 21 on the pad, with M10 * 1 * 60 bolt 17, M10 * 1 nut 18, be connected on the exhaust pipe of engine 20, refill a same nut after tightening M10 * 1 nut 18, prevent that nut from getting loose.Copper cushion 19 has the certain deformation amount, has guaranteed the sealing between the front exhaust pipe () 2 and the exhaust pipe of engine 20.With M12 * 120 bolts 15, M12 nut 16 exhaust brake valve 3 is housed between front exhaust pipe () 2 and the front exhaust pipe (two) 5, the kill engine way of exhaust passage of employing, make engine piston when exhaust stroke, be subjected to the counter pressure of gas, stop the running of driving engine and produce brake action, thereby reach the purpose of the control speed of a motor vehicle.The energy brake control comfort is effectively simple.When ice and snow reaches sliding muddy water road traveling, use energy brake, can reduce sideslip; When lower long slope, use energy brake can reduce the number of times of service brake, reduce the temperature rise of brake wheel, the wearing and tearing that alleviate brake strip and brake wheel improve the reliability of braking.When using energy brake, the supply that can reduce the driving engine oil plant can fuel saving down to oil-break.On front exhaust pipe (two) 5, be welded with the flexible joint 4 of one section bellows, flexibly connect, between can each freeing pipe of active balance axially, the displacement of vertical and horizontal, eliminate additional stress; The decay driving engine passes to the vibration and the noise of freeing pipe; Bellows structure has been realized maximum motion absorption and expansion compensation on the shortest connection length.The unfailing performance of exhaust system and the service life of parts thereof have been improved greatly.Front exhaust pipe (two) 5 is connected with noise silencer 7 usefulness clips () 6, behind clip (one) 6 banding, guarantees the sealing between front exhaust pipe (two) 5 and the noise silencer 7.Exhaust circulates in noise silencer 7, can reduce noise, can reduce exhaust temperature again.Be connected on the silencer hanging bracket 11 behind noise silencer 7 usefulness noise silencer clips 8 bandings, silencer hanging bracket 11 pads are gone up rubber pad 12 backs and are contained on the chassis side rail with M10 * 60 bolts 13, M10 nut 14, rubber pad 12 can alleviate vibration greatly, prolongs the service life of freeing pipe and noise silencer.Noise silencer 7 rear ends are connected with trail pipe 10 with clip (two) 9, and trail pipe 10 behind clip (two) 9 bandings, guarantees the sealing between freeing pipe tail pipe 10 and the noise silencer 7 with the lead following rear of automobile of exhaust.
As shown in Figure 2, the installation matrix of exhaust system, vehicle frame 1 and the exhaust pipe of engine 20 usefulness long and two-short dash linees are represented, do transparence and handle.Between front exhaust pipe () 2 and the front exhaust pipe (two) 5 exhaust brake valve 3 is housed, on front exhaust pipe (two) 5, is welded with the flexible joint 4 of one section bellows.Front exhaust pipe (two) 5 is connected with noise silencer 7 usefulness clips () 6, and clip (one) 6 usefulness M8 * 30 bolts 22, M8 nut 23 connects, and can guarantee to seal after tightening M8 * 30 bolts 22, M8 nut.Be connected on the silencer hanging bracket 11 behind noise silencer 7 usefulness noise silencer clips 8 bandings, be contained on vehicle frame 1 longeron after silencer hanging bracket 11 pads are gone up rubber pad 12.Noise silencer 7 rear ends are connected with trail pipe 10 with clip (two) 9, and trail pipe 10 is with the lead following rear of automobile of exhaust.
As shown in Figure 3, after noise silencer 7 usefulness noise silencer clips 8 are loaded onto M10 * 40 bolts 24, M10 nut 14, be connected on the silencer hanging bracket 11, refill a same nut after tightening M10 nut 14, prevent that nut from getting loose.After silencer hanging bracket 11 pads are gone up rubber pad 12, be contained on vehicle frame 1 longeron with M10 * 60 bolts 13, M10 nut 14, rubber pad 12 can alleviate vibration greatly, prolongs the service life of freeing pipe and noise silencer.
As shown in Figure 4, exhaust brake valve 3 valve openings, exhaust brake valve keeps clear, and exhaust system is in normal working.
As shown in Figure 5, exhaust brake valve 3 valve closings, the exhaust brake valve exhaust passage that kills engine, exhaust system is in exhaust brake condition, makes engine piston when exhaust stroke, is subjected to the counter pressure of gas, stop the running of driving engine and produce brake action, thereby reach the purpose of the control speed of a motor vehicle.
As shown in Figure 6, noise silencer 7 front end inducers along the circumferential direction have four grooves, insert wherein front exhaust pipe (two) 5 rear ends, connect with clip () 6, clip (one) 6 usefulness M8 * 30 bolts 22, M8 nut 23 connect, refill a same nut after tightening M8 nut 23, prevent that nut from getting loose.The thrust of bolt makes clip (one) 6 banding, has guaranteed the sealing between front exhaust pipe (two) 5 and the noise silencer 7 front end inducers.
As shown in Figure 7, trail pipe 10 front end inducers along the circumferential direction have four grooves, after noise silencer 7 back outlet sections are inserted trail pipe 10, connect with clip (two) 9, clip (two) 9 usefulness M8 * 30 bolts 22, M8 nut 23 connect, refill a same nut after tightening M8 nut 23, prevent that nut from getting loose.The thrust of bolt makes clip (two) 9 bandings, has guaranteed the sealing between noise silencer 7 back outlet sections and the trail pipe 10.
Claims (4)
1. improved diesel car exhaust system, it is characterized in that: suspension bracket fixes a silencer behind the pad rubber pad on the chassis side rail, noise silencer passes through the noise silencer anulated connection on silencer hanging bracket, at the noise silencer front end, between front exhaust pipe () and the front exhaust pipe (two) exhaust brake valve is housed, be welded with the flexible joint of one section bellows on front exhaust pipe (two), front exhaust pipe (two) is connected with clip () with noise silencer, and the noise silencer rear end is connected with trail pipe with clip (two).
2. improved diesel car exhaust system as claimed in claim 1 is characterized in that: front exhaust pipe () front end by bolted connection on the exhaust pipe of engine.
3. improved diesel car exhaust system as claimed in claim 1 is characterized in that: noise silencer front end inducer along the circumferential direction has four grooves.
4. improved diesel car exhaust system as claimed in claim 1 is characterized in that: trail pipe front end inducer along the circumferential direction has four grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020133028XU CN201626296U (en) | 2010-03-17 | 2010-03-17 | Improved diesel engine automobile air exhausting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020133028XU CN201626296U (en) | 2010-03-17 | 2010-03-17 | Improved diesel engine automobile air exhausting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201626296U true CN201626296U (en) | 2010-11-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020133028XU Expired - Fee Related CN201626296U (en) | 2010-03-17 | 2010-03-17 | Improved diesel engine automobile air exhausting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201626296U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102279107A (en) * | 2011-04-08 | 2011-12-14 | 重庆长安汽车股份有限公司 | High universality engine exhaust tool |
| CN102941803A (en) * | 2012-11-27 | 2013-02-27 | 东风柳州汽车有限公司 | Dump truck silencer |
| CN102991341A (en) * | 2012-08-18 | 2013-03-27 | 安徽合叉叉车有限公司 | Exhaust system of large power forklift |
| CN105217048A (en) * | 2015-09-28 | 2016-01-06 | 湖北易瓦特科技股份有限公司 | There is the flexible exhaust passage of cooling system |
| CN105217046A (en) * | 2015-09-28 | 2016-01-06 | 湖北易瓦特科技股份有限公司 | There is the exhaust passage of flexible venting tube |
| CN106150647A (en) * | 2016-08-31 | 2016-11-23 | 芜湖恒耀汽车零部件有限公司 | Automobile exhaust pipe vibration absorber |
| CN107599827A (en) * | 2017-09-21 | 2018-01-19 | 清华大学苏州汽车研究院（相城） | A kind of support for changing gas extraction system NVH performances |
| CN107781020A (en) * | 2017-12-04 | 2018-03-09 | 云南力帆骏马车辆有限公司 | A kind of gas extraction system and lorry |
| CN108571367A (en) * | 2017-03-10 | 2018-09-25 | 郑州宇通客车股份有限公司 | A kind of exhaust system and the vehicle using the exhaust system |
| CN111764993A (en) * | 2020-07-07 | 2020-10-13 | 舟山浩睿蓝船舶科技开发有限公司 | Vibration damper for expansion connecting piece of exhaust pipe |
-
2010
- 2010-03-17 CN CN201020133028XU patent/CN201626296U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102279107A (en) * | 2011-04-08 | 2011-12-14 | 重庆长安汽车股份有限公司 | High universality engine exhaust tool |
| CN102991341A (en) * | 2012-08-18 | 2013-03-27 | 安徽合叉叉车有限公司 | Exhaust system of large power forklift |
| CN102941803A (en) * | 2012-11-27 | 2013-02-27 | 东风柳州汽车有限公司 | Dump truck silencer |
| CN105217048A (en) * | 2015-09-28 | 2016-01-06 | 湖北易瓦特科技股份有限公司 | There is the flexible exhaust passage of cooling system |
| CN105217046A (en) * | 2015-09-28 | 2016-01-06 | 湖北易瓦特科技股份有限公司 | There is the exhaust passage of flexible venting tube |
| CN106150647A (en) * | 2016-08-31 | 2016-11-23 | 芜湖恒耀汽车零部件有限公司 | Automobile exhaust pipe vibration absorber |
| CN108571367A (en) * | 2017-03-10 | 2018-09-25 | 郑州宇通客车股份有限公司 | A kind of exhaust system and the vehicle using the exhaust system |
| CN108571367B (en) * | 2017-03-10 | 2023-09-01 | 宇通客车股份有限公司 | Exhaust system and vehicle using same |
| CN107599827A (en) * | 2017-09-21 | 2018-01-19 | 清华大学苏州汽车研究院（相城） | A kind of support for changing gas extraction system NVH performances |
| CN107781020A (en) * | 2017-12-04 | 2018-03-09 | 云南力帆骏马车辆有限公司 | A kind of gas extraction system and lorry |
| CN111764993A (en) * | 2020-07-07 | 2020-10-13 | 舟山浩睿蓝船舶科技开发有限公司 | Vibration damper for expansion connecting piece of exhaust pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101110 Termination date: 20190317 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |