WO2015110057A1 - 汽车排气管的尾管 - Google Patents

汽车排气管的尾管 Download PDF

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Publication number
WO2015110057A1
WO2015110057A1 PCT/CN2015/071400 CN2015071400W WO2015110057A1 WO 2015110057 A1 WO2015110057 A1 WO 2015110057A1 CN 2015071400 W CN2015071400 W CN 2015071400W WO 2015110057 A1 WO2015110057 A1 WO 2015110057A1
Authority
WO
WIPO (PCT)
Prior art keywords
pipe
tail
wall
exhaust pipe
clamping
Prior art date
Application number
PCT/CN2015/071400
Other languages
English (en)
French (fr)
Chinese (zh)
Inventor
袁长中
Original Assignee
保隆(安徽)汽车配件有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 保隆(安徽)汽车配件有限公司 filed Critical 保隆(安徽)汽车配件有限公司
Priority to DE112015000497.1T priority Critical patent/DE112015000497T5/de
Publication of WO2015110057A1 publication Critical patent/WO2015110057A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • F01N13/082—Other arrangements or adaptations of exhaust conduits of tailpipe, e.g. with means for mixing air with exhaust for exhaust cooling, dilution or evacuation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1838—Construction facilitating manufacture, assembly, or disassembly characterised by the type of connection between parts of exhaust or silencing apparatus, e.g. between housing and tubes, between tubes and baffles
    • F01N13/1844—Mechanical joints

Definitions

  • the invention relates to a tail pipe, in particular to a tail pipe of an automobile exhaust pipe.
  • An exhaust pipe is provided in the exhaust system of the automobile, whose function is to export the exhaust gas produced by the engine to the atmosphere. Because the appearance of the tail end of the exhaust pipe is usually a simple straight pipe, which is often incompatible with the overall shape of the car, some cars additionally install a decorative tail pipe on the exhaust pipe.
  • the first method is to weld the exhaust pipe and the tail pipe.
  • the tail pipe must be integrated with the exhaust system.
  • the third method is more commonly used, that is, a spring is set on the tail pipe and directly sleeved on the tail end of the exhaust tail.
  • the tail pipe is fixed to the tail end of the exhaust pipe by the elastic force of the spring.
  • FIGS. 1-3 show a schematic diagram of the third method of tailpipe structure.
  • Fig. 1 is a perspective view of the tail pipe
  • Fig. 2 is an exploded view of the tail pipe
  • Fig. 3 is a perspective view of a spring leaf.
  • the tail pipe 10 includes a tube body 11, a spring ring 12, and a plurality of clamping spring plates 13.
  • the spring ring 12 is installed on the inner wall of the tube body 11.
  • Each clamping spring plate 13 is welded to the spring ring 12.
  • the clamping spring sheet 13 includes a fixed portion 31, a bending portion 32, a clamping portion 33 and a claw portion 34.
  • the third method is more convenient to install and can reduce the cost of the tail pipe.
  • the hidden dangers of this method in terms of robustness have not been paid attention to.
  • the tail pipe can be fixed to the exhaust pipe, the tail pipe will still loosen after being subjected to long-term vibration during the use of the car. This looseness may eventually cause the tail pipe to fall out of the tail end of the exhaust pipe.
  • the tail pipe is not a key part of the car, and it will not cause the user's attention if it falls.
  • the tail pipe falling on the road is a great safety hazard for passing vehicles, especially at high speeds.
  • the technical problem to be solved by the present invention is to provide a tail pipe of an automobile exhaust pipe, which has better firmness.
  • the technical solution adopted by the present invention to solve the above-mentioned technical problems is to propose a tail pipe of an automobile exhaust pipe, which includes a pipe body, a plurality of clamping spring plates and a plurality of self-locking spring plates.
  • the pipe body has an inlet end sleeved on the outer wall of the tail end of the exhaust pipe and an outlet end opposite to the inlet end.
  • a plurality of clamping spring pieces are arranged on the inner wall of the pipe body, and each clamping spring piece has a fixing part fixed on the inner wall of the pipe body and a clamping part used to interfere with the outer wall of the exhaust pipe.
  • a plurality of self-locking spring pieces are arranged on the inner wall of the pipe body, and each self-locking spring piece has an abutment portion slantingly directed to the outlet end of the pipe body, and the abutment portion is used to resist the step of the exhaust pipe being nested in
  • the clamping portion is located in a first area of the inner wall of the pipe body, and the abutting portion is located in a second area of the inner wall of the pipe body, and the second area is larger than the The first area is closer to the inlet end of the tube.
  • each clamping spring leaf has a bending portion, and the bending portion connects the fixing portion and the clamping portion.
  • each clamping spring piece has a claw portion, and the claw portion is provided at the other end of the clamping spring piece opposite to the fixing portion.
  • the boundary between the bent portion and the clamping portion of each clamping spring leaf has a recessed portion.
  • the junction of the clamping portion and the claw portion of each clamping spring leaf has a recessed portion.
  • the plurality of self-locking spring plates are connected to the inner wall of the tube body.
  • the plurality of self-locking spring plates are integrally formed on the inner wall of the tube body.
  • the tail pipe may further include a fixing ring arranged on the inner wall of the pipe, and the fixing parts of each clamping spring leaf are fixed to the fixing ring.
  • the tail pipe may further include a fixing ring arranged on the inner wall of the tube, and the fixing parts of each clamping spring leaf and the fixing parts of each locking spring leaf are fixed to the fixing ring.
  • the cross-sectional shape of the tube body is a circle, an ellipse, or a special shape.
  • the present invention adopts the above technical scheme, which makes it compared with the prior art. Due to the use of self-locking spring sheet, after the tail pipe is sleeved at the tail end of the exhaust pipe, the inlet end of the tail pipe can be prevented from falling out of the tail end of the exhaust pipe. So as to be effective To It prevents the tail pipe from loosening, falling off and losing, and has the function of self-locking the tail pipe.
  • Fig. 1 is a perspective view of a tail pipe of a conventional exhaust pipe.
  • Fig. 2 is an exploded view of the tail pipe shown in Fig. 1.
  • Fig. 3 is a perspective view of the chucking spring piece of the tail pipe shown in Fig. 1.
  • Fig. 4 is a perspective view of a tail pipe of an exhaust pipe according to an embodiment of the present invention.
  • Fig. 5 is a perspective view of an embodiment of the chucking spring plate of the tail pipe shown in Fig. 4.
  • Fig. 6 is a perspective view of another embodiment of the chucking spring plate of the tail pipe shown in Fig. 4.
  • Fig. 7 is a front view of the self-locking spring plate of the tail pipe shown in Fig. 4.
  • Fig. 8 is a side view of the self-locking spring sheet of the tail pipe shown in Fig. 4.
  • Fig. 9 is an initial state diagram of the tail pipe shown in Fig. 4 in which the exhaust pipe is sleeved.
  • Fig. 10 is a diagram showing the completed state of the tail pipe shown in Fig. 4 when the exhaust pipe is sleeved.
  • Fig. 11 is an enlarged view of part I of Fig. 9.
  • Fig. 12 is a perspective view of a tail pipe of an exhaust pipe according to another embodiment of the present invention.
  • Fig. 13 is a perspective view of a tail pipe of an exhaust pipe according to another embodiment of the present invention.
  • Fig. 14 is a schematic diagram of some parts of the embodiment shown in Fig. 13.
  • Fig. 4 is a perspective view of a tail pipe of an exhaust pipe according to an embodiment of the present invention.
  • the tail pipe 40 may include a pipe body 41, a fixing ring 42, a plurality of clamping spring plates 43 and a plurality of self-locking spring plates 44.
  • the pipe body 41 has an inlet end 41a and an outlet end 41b. Both the inlet end 41a and the outlet end 41b are open ends.
  • the inlet end 41a is used to cover the outer wall of the tail end of the exhaust pipe when the tail pipe is installed on the exhaust pipe.
  • the outlet end 41b is opposite to the inlet end 41a, and exhaust gas from the exhaust pipe can be discharged to the outside.
  • the overall shape of the tube body 41 can be designed to meet the decoration requirements.
  • the cross-sectional shape of the tube body 41 may be a circle, an ellipse, a special shape, or the like.
  • the fixing ring 42 is arranged on the inner wall of the pipe body 41.
  • each clamping spring piece 43 is fixed on the fixing ring 42 so as to be arranged in a ring.
  • the number of the clamping spring plates 43 is preferably three or more to obtain a better supporting force.
  • These clamping spring plates 43 may be evenly distributed on the fixed ring 42 or may be unevenly distributed. To The specific distribution can be adjusted according to the shape of the exhaust pipe.
  • FIG. 4 shows that the positions of the clamping spring pieces 43 in the axial direction of the tube body 41 are the same, it can be understood that the positions of the clamping spring pieces 43 in the axial direction of the tube body 41 may be different.
  • the length, width, shape, etc. of each chucking spring piece 43 can also be different, which can all be adaptively designed according to the shape of the exhaust pipe.
  • each chucking spring piece 43 is directly fixed to the inner wall of the tube body 41.
  • the fixing portions of the clamping spring piece 43 and the self-locking spring piece 44 may be fixed on the fixing ring 42, and then the fixing ring 42 is fixed to the tube The inner wall of the body 41.
  • Fig. 5 is a perspective view of an embodiment of the chucking spring plate of the tail pipe shown in Fig. 4.
  • each clamping spring piece 43 has a fixing portion 43a, a bending portion 43b, a clamping portion 43c, and a claw portion 43d.
  • the fixing portion 43a and the claw portion 43d are located at opposite ends of the clamping spring sheet 43, respectively.
  • the fixing portion 43 a is used to fix the clamping spring sheet 43 on the fixing ring 42 on the inner wall of the tube body 41.
  • the bending portion 43b connects the fixing portion 43a and the clamping portion 43c.
  • the clamping portion 43c is used to conflict with the outer wall of the tail end of the exhaust pipe when the tail pipe is sleeved on the tail end of the exhaust pipe.
  • the claw portion 43d can grasp the outer wall of the tail end of the exhaust pipe, and thereby cooperate with the clamping portion 43 to provide a gripping force and a supporting force, respectively.
  • Fig. 6 is a perspective view of another embodiment of the chucking spring plate of the tail pipe shown in Fig. 4.
  • the clamping spring sheet 43 of this embodiment is provided with a recessed portion 43e at the junction of the bent portion 43b and the clamping portion 43c to improve support force.
  • a recessed portion 43f is also provided at the junction of the clamping portion 43c and the claw portion 43d to improve the gripping force.
  • a plurality of self-locking spring pieces 44 are also provided on the inner wall of the tube body 41.
  • the function of the self-locking spring piece 44 is to prevent the tail pipe 40 from coming out of the exhaust pipe after the tail pipe 40 is sleeved on the tail end of the exhaust pipe.
  • Fig. 7 is a front view of the self-locking spring plate of the tail pipe shown in Fig. 4.
  • Fig. 8 is a side view of the self-locking spring sheet of the tail pipe shown in Fig. 4.
  • each self-locking spring piece 44 has a fixing portion 44 a and an abutting portion 44 b.
  • the fixing portion 44 a is used to fix the self-locking spring sheet 44 on the inner wall of the tube body 41.
  • the abutting portion 44b is connected to the fixing portion 44a and points obliquely to the outlet end of the tube body 41.
  • the exhaust pipe is provided with a step facing the head end of the exhaust pipe opposite to the tail end.
  • the abutting portion 44b can abut against this step of the exhaust pipe to prevent the inlet end 41a of the pipe body 41 from escaping from the tail end of the exhaust pipe.
  • the respective lock spring pieces 44 can be distributed on the inner wall of the tube body 41 according to the reasonable force, and there are generally more than three.
  • each chucking spring piece 43 and the respective lock spring piece 44 is, for example, the chucking portion 43c, the claw portion 43d and the like of each chucking spring piece 43 that support and grasp components are provided on the inner wall of the tube body 41.
  • the abutting portion 44b of the respective lock spring piece 44 is disposed in a second region of the inner wall of the tube body 41, wherein the second region is closer to the inlet end 41a of the tube body 41 than the first region.
  • the end of the abutting portion 44b can be designed to be V-shaped, U-shaped or flat according to the requirement of force.
  • the fixing portion 44a of the self-locking spring plate 44 may be fixed on the inner wall of the tube body 41 near the inlet end 41a. That is, the inlet end 41a serves as the second area where the self-locking spring sheet 44 is fixed.
  • each self-locking spring piece 44 may be connected (for example, welded) to the inner wall of the tube body 41, or may be integrally formed on the inner wall of the tube body 41.
  • Fig. 9 is an initial state diagram of the tail pipe shown in Fig. 4 when it is sleeved on the tail end of the exhaust pipe.
  • Fig. 10 is a diagram of the finished state of the tail pipe sleeved on the tail end of the exhaust pipe shown in Fig. 4.
  • Fig. 11 is an enlarged view of part I of Fig. 9. 9-11, when the tail pipe 40 is sleeved on the tail end of the exhaust pipe 90, the abutting portion 44b of the self-locking spring piece 44 of the tail pipe 40 is squeezed and rotated until the exhaust pipe 90 passes.
  • the abutting portion 44b of the self-locking spring piece 44 After the exhaust pipe 90 passes through, the abutting portion 44b of the self-locking spring piece 44 rebounds quickly to return to its original shape, and plays a self-locking effect. At the same time, the clamping portion 43c and the claw portion 43d that clamp the spring plate 43 will also clamp the outer wall of the exhaust pipe 90 to provide a supporting force and a grasping force, respectively.
  • the end of the abutting portion 44b of the self-locking spring plate abuts the step 91 of the exhaust pipe 90, effectively preventing the tail pipe from being loose and falling off, and further defending the fastening of the tail pipe and the exhaust pipe. force.
  • Table 1 below is the maximum pull-off force of the tail pipe shown in Figure 1.
  • Table 2 below is the maximum pull-off force of the tail pipe shown in Fig. 4 using the clamping spring leaf shown in Fig. 5.
  • Table 3 below is the maximum pull-off force of the tail pipe shown in Fig. 4 using the clamping spring leaf shown in Fig. 6.
  • the pull-off force between the tail pipe and the exhaust pipe of the embodiment of the present invention is about 6 to 7 times that of the prior art, and the product has no looseness and no risk of loss. . Therefore, the embodiment of the present invention uses a self-locking spring sheet, which can effectively prevent the tail pipe from being loose and falling off and loses it, and has the function of self-locking the tail pipe.
  • the support strength of the tail pipe to the exhaust pipe is further increased by arranging a recessed portion at an appropriate position on the clamping spring plate.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
PCT/CN2015/071400 2014-01-26 2015-01-23 汽车排气管的尾管 WO2015110057A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112015000497.1T DE112015000497T5 (de) 2014-01-26 2015-01-23 Endrohr für ein Abgasrohr eines Fahrzeugs

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410037553.4A CN104806336A (zh) 2014-01-26 2014-01-26 汽车排气管的尾管
CN201410037553.4 2014-01-26

Publications (1)

Publication Number Publication Date
WO2015110057A1 true WO2015110057A1 (zh) 2015-07-30

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PCT/CN2015/071400 WO2015110057A1 (zh) 2014-01-26 2015-01-23 汽车排气管的尾管

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CN (1) CN104806336A (de)
DE (1) DE112015000497T5 (de)
WO (1) WO2015110057A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202015103869U1 (de) * 2015-07-23 2015-11-16 Cisma Solutions Aps Auspuffrohr-Montageanordnung
CN106364314B (zh) * 2016-08-30 2018-12-14 保隆(安徽)汽车配件有限公司 一种排气尾管的尾饰管组件
DE102017206750B4 (de) 2017-04-21 2020-03-19 Cisma Solutions Aps Auspuffverkleidung mit einem Verbindungselement
DE102018209225B4 (de) * 2018-06-11 2020-02-20 Cisma Solutions Aps Blende mit geringem Aufschubwiderstand
DE102018209226B4 (de) * 2018-06-11 2021-04-01 Cisma Solutions Aps Blendenanordnung mit geringem Aufschubwiderstand
DE102018210791B3 (de) * 2018-06-29 2019-08-29 Cisma Solutions Aps Blendenanordnung mit unmittelbar auslösbarer Befestigung einer Endrohrblende und Auspuffanordnung mit einer solchen Blendenanordnung

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JP2001342830A (ja) * 2000-06-05 2001-12-14 Hikkusu:Kk 排気補助装置
DE10233498A1 (de) * 2002-07-24 2004-01-29 Bayerische Motoren Werke Ag Rohrblende für ein im Heckbereich eines Kraftfahrzeuges endendes Abgasendrohr
CN202402119U (zh) * 2012-01-11 2012-08-29 陈传辉 一种汽车尾喉
CN102678246A (zh) * 2011-12-19 2012-09-19 中国北车集团大连机车车辆有限公司 柴油机排气管连接机构
CN203335202U (zh) * 2013-07-25 2013-12-11 宁波思明汽车科技有限公司 发动机排气管
CN203756298U (zh) * 2014-01-26 2014-08-06 保隆(安徽)汽车配件有限公司 汽车排气管的尾管

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JP4192689B2 (ja) * 2003-06-12 2008-12-10 トヨタ自動車株式会社 マフラカッター取付け構造
US7506667B1 (en) * 2008-02-27 2009-03-24 Paccar Inc Flex stack
DE102008017598B4 (de) * 2008-04-07 2014-12-04 Witzenmann Gmbh Flexibles Leitungselement und Verfahren zum Befestigen eines Außengestrickes
CN201705441U (zh) * 2010-06-10 2011-01-12 董永光 一种汽车装饰尾管
CN202091006U (zh) * 2011-05-20 2011-12-28 潘晓娜 一种弹性定位片及汽车尾喉

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001342830A (ja) * 2000-06-05 2001-12-14 Hikkusu:Kk 排気補助装置
DE10233498A1 (de) * 2002-07-24 2004-01-29 Bayerische Motoren Werke Ag Rohrblende für ein im Heckbereich eines Kraftfahrzeuges endendes Abgasendrohr
CN102678246A (zh) * 2011-12-19 2012-09-19 中国北车集团大连机车车辆有限公司 柴油机排气管连接机构
CN202402119U (zh) * 2012-01-11 2012-08-29 陈传辉 一种汽车尾喉
CN203335202U (zh) * 2013-07-25 2013-12-11 宁波思明汽车科技有限公司 发动机排气管
CN203756298U (zh) * 2014-01-26 2014-08-06 保隆(安徽)汽车配件有限公司 汽车排气管的尾管

Also Published As

Publication number Publication date
DE112015000497T5 (de) 2016-11-10
CN104806336A (zh) 2015-07-29

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