CN102991342A - Damping device for exhaust pipe of automobile - Google Patents
Damping device for exhaust pipe of automobile Download PDFInfo
- Publication number
- CN102991342A CN102991342A CN201210504589XA CN201210504589A CN102991342A CN 102991342 A CN102991342 A CN 102991342A CN 201210504589X A CN201210504589X A CN 201210504589XA CN 201210504589 A CN201210504589 A CN 201210504589A CN 102991342 A CN102991342 A CN 102991342A
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- adapter plate
- exhaust pipe
- attenuation unit
- link
- shock attenuation
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Abstract
The invention discloses a damping device for an exhaust pipe of an automobile, which is arranged between the exhaust pipe and an engine or a speed changer of the automobile. The damping device comprises a damper fixedly arranged on the exhaust pipe and a connecting part; the first end of the connecting part is fixedly connected with the damper; and the second end of the connecting part is fixedly connected with the engine or the speed changer, and a damping part made of a damping material is arranged at the connection of the connecting part and the engine or the speed changer. The damping device for the exhaust pipe of the automobile, provided by the invention, is simple in structure, durable, good in damping effect and capable of being used under the condition that the space is narrow.
Description
Technical field
The present invention relates to automobile technical field, particularly relate to a kind of automobile exhaust pipe shock attenuation unit.
Background technology
At present, particularly when automotive engine adopts horizontal layout, normally increase rubber plinth at Catalyst back freeing pipe and carry out vibration damping; Or install and to be radially screw-shaped bellows, its helical corrugation is arranged vertically, because the structure of helical corrugation has axially and radially elasticity and retractility, can play when engine running and eliminate vibration, absorbs the effects such as noise.
But, the problem such as existing bellows and rubber plinth all exist and be not durable, and be easy to wear, and effectiveness in vibration suppression is poor.In addition, no matter be rubber plinth or bellows, all be to be wrapped on the exhaust tube wall, its diameter is more much larger than freeing pipe diameter, requires larger to arrangement space.When driving engine adopt vertical when putting arrangement, often may be because driving engine and change speed gear box take most spaces, and so that the Design of Exhaust Manifold space is more limited, can't design again bellows or rubber plinth.If a kind of shock absorption device is not set, the vibration that can cause driving engine to produce is directly delivered on freeing pipe and the vehicle body without decay, has a strong impact on the driver comfort of car load.So, need a kind of not only durable effectiveness in vibration suppression of research but also freeing pipe shock attenuation unit good and that can under the insufficient space condition, use.
Summary of the invention
An object of the present invention is to provide a kind of novel automobile exhaust pipe shock attenuation unit.Another object of the present invention provides a kind of durable, good damping result freeing pipe shock attenuation unit.Another purpose of the present invention provides a kind of freeing pipe shock attenuation unit that can use under the narrow condition in space.
In order to realize above-mentioned at least one purpose, the invention provides a kind of automobile exhaust pipe shock attenuation unit, be installed between the freeing pipe and driving engine or change-speed box of automobile, described shock attenuation unit comprises:
Shock absorber is fixedly installed on the described freeing pipe;
Link, the first end of described link is captiveed joint with described shock absorber, and the second end of described link is captiveed joint with driving engine or change-speed box;
The second end of described link and driving engine or change-speed box junction also are provided with the damping means of being made by damping material.
Alternatively, in the above-mentioned device, be welded with adapter plate on the described freeing pipe tube wall, described shock absorber is fixedly installed on the described adapter plate.
Alternatively, in the above-mentioned device, be fixedly welded with nut on the side of described adapter plate; Described shock absorber comprises the spring that is set with on band pad bolt and the band pad bolt, and the described band pad bolt that is set with spring passes adapter plate and captives joint with described nut from the opposite side of described adapter plate.
Alternatively, in the above-mentioned device, described band pad bolt also passes the first end of the described link between described spring and adapter plate.
Alternatively, in the above-mentioned device, the interlude of described adapter plate is trapezoidal along described freeing pipe radial protrusion, and two ends are welded on respectively on the described freeing pipe tube wall, described nut-welding is in the side of described adapter plate near described freeing pipe, and described band pad bolt penetrates from opposite side.
Alternatively, in the above-mentioned device, the second end of described link is provided with sleeve, is provided with metal lining in the described sleeve, pass described metal lining by bolt and captive joint with driving engine or change-speed box, described damping means is arranged between described sleeve and the metal lining.
Alternatively, in the above-mentioned device, described damping means is rubber tube.
There is following useful technique effect at least in the present invention:
1), shock attenuation unit of the present invention comprises the shock absorber on the freeing pipe, shock absorber is connected with driving engine or change-speed box by link, realizes damping of vibrations, and is simple in structure, is easy to realize;
2), the junction of the link of shock attenuation unit of the present invention and driving engine or retarder also is provided with the damping means that damping material is made, the vibration that driving engine produces is first through the damping means decay, just be delivered at last freeing pipe by the shock absorber decay again, so that effectiveness in vibration suppression is better;
3), shock absorber of the present invention do not adopt the combination of band pad bolt and spring, plays good effectiveness in vibration suppression in the time of the saving cost, and is and durable fragile;
4), be fixedly welded with along freeing pipe projection radially on the freeing pipe tube wall of the present invention and be trapezoidal adapter plate, and shock absorber is to be bolted on adapter plate one side by the band pad, rather than as similar bellows is surrounded whole freeing pipe, such structure more is applicable to the smaller layout in space so that installation limitation of the present invention is little;
5), the present invention is welded and fixed first plate on freeing pipe, mounting dampers on adapter plate is again avoided shock absorber directly to be connected with freeing pipe and is damaged freeing pipe; In addition, adapter plate is designed to the trapezium structure of projection, and two ends are welded on the freeing pipe tube wall simultaneously, and adapter plate more firm is also so that total is more firm;
6), the damping means that is provided with between the sleeve of link of the present invention the second end and the metal lining is rubber tube, is to have guaranteed effectiveness in vibration suppression when saving cost equally.
Description of drawings
Fig. 1 is the front view of the embodiment of the invention;
Fig. 2 is the birds-eye view of the embodiment of the invention;
Fig. 3 is the left view of the embodiment of the invention;
Fig. 4 is A-A cutaway view in the front view of the embodiment of the invention;
Fig. 5 is link the second end and driving engine or change-speed box connecting portion enlarged diagram among Fig. 4;
Wherein:
The 1-freeing pipe, 2-link, 3-adapter plate, 4-nut, 5-band pad bolt, 6-spring, 7-sleeve, 8-bolt, 9-rubber tube, 10-metal lining.
The specific embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention is clearer, below in conjunction with accompanying drawing specific embodiment is described in detail.
Shown in Fig. 1-5, the embodiment of the invention provides a kind of automobile exhaust pipe shock attenuation unit, is installed between the freeing pipe 1 and driving engine or change-speed box of automobile, plays the decay engine vibration, improves the purposes such as driver comfort, and described shock attenuation unit comprises:
Shock absorber is fixedly installed on the described freeing pipe 1.
The second end of described link 2 and driving engine or change-speed box junction also are provided with the damping means of being made by damping material.
Shock absorber of the present invention can be for multiple, such as spring type, hydraulic etc.; Same damping material can be pitch or rubber etc.; Described link 2 general material metal materials.So automobile exhaust pipe damping device structure of the present invention is simple, the damping means of making by the shock absorber on the freeing pipe and damping material is realized the purpose of decay engine vibration, is easy to realize.
In one embodiment of the present of invention, be welded with metal adapter plate 3 on described freeing pipe 1 tube wall, be fixedly welded with nut 4 on the side of described adapter plate 3, and offer the hole identical with described nut 4 internal diameters in the corresponding position.Shock absorber is mounted on the adapter plate, avoids shock absorber directly to be connected with freeing pipe and damages freeing pipe.
Described shock absorber comprises the spring 6 of suit on band pad bolt 5 and the band pad bolt 5, plays good effectiveness in vibration suppression when saving cost, and durable not fragile; Described band pad bolt 5 opposite sides from described adapter plate 3 that are set with spring 6 penetrate and captive joint with described nut 4.
The first end of described link 2 is between described spring 6 and adapter plate 3, described first end also has the hole that is not less than described band pad bolt 5 external diameters, described band pad bolt 5 passes described hole, also is provided with flat shim between the first end of described link 2 and the adapter plate.
As shown in Figure 5, the second end of described link 2 is provided with sleeve 7, be provided with metal lining 10 in the described sleeve 7, pass flat shim by bolt 8 and pass described metal lining 10 again and captive joint with driving engine or change-speed box, described damping means is arranged between described sleeve 7 and the metal lining 10.Common described damping means is rubber tube 9, can guarantee again effectiveness in vibration suppression when saving cost equally.
In sum, the junction of the link of shock attenuation unit of the present invention and driving engine or retarder also is provided with the damping means that damping material is made, the vibration that driving engine produces is first through the damping means decay, just be delivered at last freeing pipe by the shock absorber decay again, the vibration that the decay driving engine produces directly is delivered on the vehicle body from freeing pipe, so that effectiveness in vibration suppression is better; In addition, under the support strength and position-limiting action of link 2, avoid interfering abnormal sound, thereby improve the driver comfort of car load.
In one embodiment of the present of invention, especially as shown in Figure 2, the interlude of described adapter plate 3 is trapezoidal along described freeing pipe 1 radial protrusion, two ends are welded on respectively on described freeing pipe 1 tube wall, described nut 4 is welded on described adapter plate 3 near a side of described freeing pipes 1, and described band pad bolt 5 penetrates from opposite side.
So shock absorber of the present invention is to be bolted on adapter plate one side by the band pad, rather than bellows is surrounded whole freeing pipe as similar, such structure more is applicable to the smaller layout in space so that installation limitation of the present invention is little; In addition, adapter plate is designed to the trapezium structure of projection, and two ends are welded on the freeing pipe tube wall simultaneously, and adapter plate more firm is also so that total is more firm.
In one embodiment of the present of invention, the design parameter of each parts is as follows among the present invention:
The thickness of adapter plate is 2mm, and width is 30mm, and it is 11mm that upside is installed the aperture, and it is trapezoidal that shape is.
The thickness of link is 2mm, and width is 24mm; The aperture of link first end is 11mm, and the internal diameter of the second end sleeve is 22mm, and external diameter is 30mm; The height of sleeve is 10mm, and thickness is 4mm.
The thickness of the flat shim that the link first end uses is 2mm, and external diameter is 26mm, and internal orifice dimension is 11mm.
The thickness of the flat shim that link the second end uses is 2mm, and external diameter is 30mm, and internal orifice dimension is 11mm.
The metal lining height is 16mm, and external diameter is 30mm, and internal orifice dimension is 11mm.
The rubber tube profile is worker's type, highly is 16mm, and external diameter is 30mm, and internal orifice dimension is 15mm, and the middle part external diameter is 22mm.
Bolt 8 is M10 * 30 hexagon flange bolts.
Installation steps of the present invention are as follows:
At first weld one with mounting hole metal adapter plate 3 at freeing pipe 1, weld a M10 nut 4, the center-aligned of the mounting hole of the screw of nut 4 and above-mentioned adapter plate 3 at adapter plate 3 near freeing pipe one sides again; Then in the sleeve 7 of metal connection parts 2 second ends, load onto rubber tube 9, in rubber tube 9, load onto again metal lining 10; The band pad bolt 5 that then will be set with spring 6 passes the mounting hole of hole, flat shim and the adapter plate 3 of link first end successively, finally is connected with nut 4; Simultaneously, adopt hexagon flange bolt 8 to pass metal lining 10 so that bolt 8 is connected with bolt hole on driving engine or the change speed gear box, also be provided with flat shim between bolt 8 and the metal lining 10, finish installation.
The above only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. an automobile exhaust pipe shock attenuation unit is installed between the freeing pipe (1) and driving engine or change-speed box of automobile, it is characterized in that described shock attenuation unit comprises:
Shock absorber is fixedly installed on the described freeing pipe (1);
Link (2), the first end of described link (2) is captiveed joint with described shock absorber, and the second end of described link (2) is captiveed joint with driving engine or change-speed box;
The second end of described link (2) and driving engine or change-speed box junction also are provided with the damping means of being made by damping material.
2. automobile exhaust pipe shock attenuation unit according to claim 1 is characterized in that, is welded with adapter plate (3) on described freeing pipe (1) tube wall, and described shock absorber is fixedly installed on the described adapter plate (3).
3. automobile exhaust pipe shock attenuation unit according to claim 2 is characterized in that, is fixedly welded with nut (4) on the side of described adapter plate (3); Described shock absorber comprises band pad bolt (5) and the upper spring (6) that is set with of band pad bolt (5), and the described band pad bolt (5) that is set with spring (6) passes adapter plate (3) and captives joint with described nut (4) from the opposite side of described adapter plate (3).
4. automobile exhaust pipe shock attenuation unit according to claim 3 is characterized in that, described band pad bolt (5) also passes the first end that is positioned at the described link (2) between described spring (6) and the adapter plate (3).
5. automobile exhaust pipe shock attenuation unit according to claim 3, it is characterized in that, the interlude of described adapter plate (3) is trapezoidal along described freeing pipe (1) radial protrusion, two ends are welded on respectively on described freeing pipe (1) tube wall, described nut (4) is welded on described adapter plate (3) near a side of described freeing pipe (1), and described band pad bolt (5) penetrates from opposite side.
6. automobile exhaust pipe shock attenuation unit according to claim 1, it is characterized in that, the second end of described link (2) is provided with sleeve (7), be provided with metal lining (10) in the described sleeve (7), pass described metal lining (10) by bolt (8) and captive joint with driving engine or change-speed box, described damping means is arranged between described sleeve (7) and the metal lining (10).
7. automobile exhaust pipe shock attenuation unit according to claim 6 is characterized in that, described damping means is rubber tube (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210504589.XA CN102991342B (en) | 2012-11-29 | 2012-11-29 | A kind of automobile exhaust pipe shock attenuation unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210504589.XA CN102991342B (en) | 2012-11-29 | 2012-11-29 | A kind of automobile exhaust pipe shock attenuation unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102991342A true CN102991342A (en) | 2013-03-27 |
| CN102991342B CN102991342B (en) | 2015-09-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210504589.XA Active CN102991342B (en) | 2012-11-29 | 2012-11-29 | A kind of automobile exhaust pipe shock attenuation unit |
Country Status (1)
| Country | Link |
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| CN (1) | CN102991342B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106246313A (en) * | 2016-08-31 | 2016-12-21 | 芜湖恒耀汽车零部件有限公司 | Automobile exhaust pipe vibration absorber padded coaming |
| CN107654281A (en) * | 2017-10-30 | 2018-02-02 | 潍柴动力股份有限公司 | A kind of whirlpool heel row trachea bracket and whirlpool final vacuum pipe assembly |
| CN107989683A (en) * | 2017-11-30 | 2018-05-04 | 武昌船舶重工集团有限公司 | A kind of ship exhaust system vibration-attenuation noise-reduction mechanism |
| CN108005769A (en) * | 2017-12-12 | 2018-05-08 | 吕刚 | A kind of good new-energy automobile exhaust apparatus of environment protecting |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH074466A (en) * | 1993-06-11 | 1995-01-10 | Toyota Motor Corp | Dynamic damper for exhaust pipe of automobile |
| JP2000006673A (en) * | 1998-06-17 | 2000-01-11 | Sakamoto Industry Co Ltd | Dynamic damper for exhaust pipe of vehicle |
| US6209844B1 (en) * | 1998-07-23 | 2001-04-03 | Daimlerchrysler Ag | Arrangement for supporting an exhaust system on a motor vehicle |
| CN1780745A (en) * | 2003-03-26 | 2006-05-31 | 阿文美驰排放技术有限公司 | Exhaust-system support for fixing the exhaust system of a motor vehicle |
| CN101070052A (en) * | 2006-05-08 | 2007-11-14 | J.埃贝斯佩歇合资公司 | Fastening device |
-
2012
- 2012-11-29 CN CN201210504589.XA patent/CN102991342B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH074466A (en) * | 1993-06-11 | 1995-01-10 | Toyota Motor Corp | Dynamic damper for exhaust pipe of automobile |
| JP2000006673A (en) * | 1998-06-17 | 2000-01-11 | Sakamoto Industry Co Ltd | Dynamic damper for exhaust pipe of vehicle |
| US6209844B1 (en) * | 1998-07-23 | 2001-04-03 | Daimlerchrysler Ag | Arrangement for supporting an exhaust system on a motor vehicle |
| CN1780745A (en) * | 2003-03-26 | 2006-05-31 | 阿文美驰排放技术有限公司 | Exhaust-system support for fixing the exhaust system of a motor vehicle |
| CN101070052A (en) * | 2006-05-08 | 2007-11-14 | J.埃贝斯佩歇合资公司 | Fastening device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106246313A (en) * | 2016-08-31 | 2016-12-21 | 芜湖恒耀汽车零部件有限公司 | Automobile exhaust pipe vibration absorber padded coaming |
| CN107654281A (en) * | 2017-10-30 | 2018-02-02 | 潍柴动力股份有限公司 | A kind of whirlpool heel row trachea bracket and whirlpool final vacuum pipe assembly |
| CN107989683A (en) * | 2017-11-30 | 2018-05-04 | 武昌船舶重工集团有限公司 | A kind of ship exhaust system vibration-attenuation noise-reduction mechanism |
| CN108005769A (en) * | 2017-12-12 | 2018-05-08 | 吕刚 | A kind of good new-energy automobile exhaust apparatus of environment protecting |
| CN108005769B (en) * | 2017-12-12 | 2019-11-08 | 安徽汉采密封件科技有限公司 | A kind of new-energy automobile exhaust apparatus that environment protecting is good |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102991342B (en) | 2015-09-02 |
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Effective date of registration: 20190401 Address after: 317000 east gate of Taizhou City, Zhejiang Province Co-patentee after: Zhejiang Geely Holding Group Co., Ltd. Patentee after: Zhejiang Geely Automobile Research Institute Co., Ltd. Address before: 311228 No. 206 Farmer's Second House in Linjiang Industrial Park, Xiaoshan District, Hangzhou City, Zhejiang Province Co-patentee before: Zhejiang Geely Automobile Research Institute Co., Ltd. Patentee before: Hangzhou Branch, Zhejiang Geely Automobile Research Institute Co., Ltd. Co-patentee before: Zhejiang Geely Holding Group Co., Ltd. |