CN109973191A - A kind of water proof type tailpipe - Google Patents
A kind of water proof type tailpipe Download PDFInfo
- Publication number
- CN109973191A CN109973191A CN201910243322.1A CN201910243322A CN109973191A CN 109973191 A CN109973191 A CN 109973191A CN 201910243322 A CN201910243322 A CN 201910243322A CN 109973191 A CN109973191 A CN 109973191A
- Authority
- CN
- China
- Prior art keywords
- tailpipe
- interior
- water proof
- proof type
- guiding gutter
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
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
-
- 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
- F01N13/085—Other arrangements or adaptations of exhaust conduits having means preventing foreign matter from entering exhaust conduit
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Silencers (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The invention discloses a kind of water proof type tailpipe, the outer tailpipe of the interior tailpipe being connected to including the exhaust system with engine and the outside for being set in interior tailpipe, and the top end opening of outer tailpipe are bent to side;The top of interior tailpipe extends to the position of face top end opening, and interior tailpipe is provided with guiding gutter close to the side of top end opening, guiding gutter is used for will be out of, the water that top end opening enters is directed to that interior tailpipe and outer tailpipe are constituted bottom gap;The bottom end of outer tailpipe is provided with drainage hole, and drainage hole is used to drain into the water in bottom gap the outside of outer tailpipe.Above-mentioned water proof type tailpipe, when rain intrusion, due to the presence of guiding gutter, so that rainwater directly passes through guiding gutter and drainage hole drains into the outside of outer tailpipe.Enter engine aftertreatment system to effectively avoid rainwater by tailpipe, reduces after-treatment system failure rate, reduce the maintenance cost of vehicle.
Description
Technical field
The present invention relates to engine exhaust tail pipe technical field more particularly to a kind of water proof type tailpipes.
Background technique
It is well known that being directly connected to after tailpipe refers to connection and silencer or after-treatment system with atmosphere
Engine component.Four stage of non-rice habitats After-treatment technics are stringenter to waterproof requirement, after forbidding lower rainwater largely to enter
Processing, the typically just simple scavenging action of existing tailpipe do not have water-proof function.Currently used water proof type exhaust tail
The structure of pipe mostly uses openable protective cover is arranged in the end of the tube body of tailpipe greatly, as depicted in figs. 1 and 2, including
The protective cover 20 of exhaust pipe 10 and the end that exhaust pipe 10 is arranged in, wherein Fig. 1 is the structural schematic diagram that protective cover lid closes,
Fig. 2 is the structural schematic diagram that protective cover is opened.This kind of structure, although having certain waterproof effect, the service life is poor, protective cover
It is opened mainly by post-processing exhaust, protective cover can open frequently, be fallen off for a long time using will cause protective cover;And protective cover is de-
Fall behind, the structure will absolutely not protective action, will cause post-processing function failure.
In conclusion how to solve the problems, such as that tailpipe is easy water inlet and influences engine aftertreatment system, it has also become
Those skilled in the art's technical problem urgently to be resolved.
Summary of the invention
The object of the present invention is to provide a kind of water proof type tailpipes, influence to start to solve the easy water inlet of tailpipe
The problem of machine after-treatment system.
To achieve the goals above, the present invention provides a kind of water proof type tailpipes, including the tail gas system with engine
The interior tailpipe and the outer tailpipe in the outside for being set in the interior tailpipe of system connection, and the outer tailpipe
Top end opening is bent to side;
The top of the interior tailpipe extends to the position of top end opening described in face, and the interior tailpipe is close
The side of the top end opening is provided with guiding gutter, and the guiding gutter is used to the water entered from the top end opening being directed to institute
It states in the bottom gap that interior tailpipe and the outer tailpipe are constituted;The bottom end of the outer tailpipe is provided with draining
Hole, the drainage hole are used to drain into the water in the bottom gap outside of the outer tailpipe.
Preferably, the guiding gutter is type structure wide at the top and narrow at the bottom.
Preferably, the guiding gutter is the groove body of the internally pressuring shaping directly on the interior tailpipe.
Preferably, the interior tailpipe is additionally provided with annular convex platform close to the position of bottom end, the annular convex platform it is outer
Diameter size is adapted with the bottom end internal diameter of the outer tailpipe, and the bottom end of the outer tailpipe is solid by the first clip
It is scheduled on the annular convex platform.
Preferably, the bottom end of the outer tailpipe is additionally provided with the of the deformation of the clamping for adapting to first clip
One deformation slot.
Preferably, the first deformation slot is corresponded and is connected with the drainage hole.
Preferably, the bottom end of the interior tailpipe is connect by the second clip with the exhaust system, and the interior row
The bottom end of gas tail pipe is provided with the second deformation slot of the deformation of the clamping for adapting to second clip.
Preferably, the peripheral surface of the interior tailpipe is additionally provided with uniform cloth in addition to the region for arranging the guiding gutter
The gas vent set.
Preferably, the distal opening section of the interior tailpipe is gentle S type section.
Preferably, the open end of the top end opening, which tilts downwards, predetermined angle, and the choosing of the predetermined angle
Selecting range is between 5 ° -30 °.
Content is introduced compared to background technique, above-mentioned water proof type tailpipe is connected to including the exhaust system with engine
Interior tailpipe and be set in interior tailpipe outside outer tailpipe, and the top end opening of outer tailpipe is to side
Bending;The top of interior tailpipe extends to the position of face top end opening, and interior tailpipe is close to the side of top end opening
It is provided with guiding gutter, guiding gutter is constituted for the water entered from top end opening to be directed to interior tailpipe with outer tailpipe
Bottom gap in;The bottom end of outer tailpipe is provided with drainage hole, and drainage hole is used to the water in bottom gap draining into outlet
The outside of gas tail pipe.Above-mentioned water proof type tailpipe will be applied to the engine of diesel-type, therefore its tailpipe is in practical work
Be during making it is whole be arranged vertically, it is first after rainwater is entered by the top end opening of outer tailpipe when running into rainy weather
It can first hit on the guiding gutter of interior tailpipe, and interior tailpipe is directly directed to by guiding gutter and outer tailpipe is constituted
In bottom gap, and due to the presence of guiding gutter, so that rainwater can only avoid rainwater from entering pair of guiding gutter in unilateral side flowing
Side is finally drained into the outside of outer tailpipe by the drainage hole that the bottom end of outer tailpipe is arranged.To effectively avoid rain
Water enters engine aftertreatment system by tailpipe, reduces after-treatment system failure rate, reduces the maintenance cost of vehicle.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of traditional water proof type tailpipe (conjunction of protective cover lid);
Fig. 2 is the structural schematic diagram of traditional water proof type tailpipe (protective cover unlatching);
Fig. 3 is the external structure schematic diagram of water proof type tailpipe provided in an embodiment of the present invention;
Fig. 4 is the schematic diagram of internal structure of water proof type tailpipe provided in an embodiment of the present invention;
Fig. 5 be interior tailpipe provided in an embodiment of the present invention structural schematic diagram (wherein the part of guiding gutter be cut open
Depending on);
Fig. 6 is the A of Fig. 5 to structural schematic diagram;
Fig. 7 is the structural schematic diagram of outer tailpipe provided in an embodiment of the present invention;
Fig. 8 is the schematic illustration of water proof type tailpipe provided in an embodiment of the present invention draining;
Fig. 9 is the schematic illustration of water proof type tailpipe provided in an embodiment of the present invention exhaust.
In figure 1 above and Fig. 2,
Exhaust pipe 10, protective cover 20.
In figure 3 above-Fig. 9,
Interior tailpipe 1, guiding gutter 11, annular convex platform 12, second deform slot 13, gas vent 14, outer tailpipe 2, top
End opening 21, drainage hole 22, first deform slot 23, the first clip 3, the second clip 4.
Wherein, in figure 8 above, the water flow that arrow strike line represents draining flows through path;
In figure 9 above, the air-flow that arrow strike line represents exhaust flows through path.
Specific embodiment
Core of the invention is to provide a kind of water proof type tailpipe, influences to start to solve the easy water inlet of tailpipe
The problem of machine after-treatment system.
In order to make those skilled in the art more fully understand technical solution provided by the invention, below in conjunction with attached drawing and
The present invention is described in further detail for specific embodiment.
As shown in Fig. 3-Fig. 9, a kind of water proof type tailpipe provided in an embodiment of the present invention, including the tail gas with engine
The outer tailpipe 2 of the interior tailpipe 1 of system connectivity and the outside for being set in interior tailpipe 1, and the top of outer tailpipe 2
End opening 21 is bent to side;The top of interior tailpipe 1 extends to the position of face top end opening 21, and interior tailpipe 1
The side of top end opening 1 is provided with guiding gutter 11, guiding gutter 11 is used to for the water entered from top end opening 21 being directed to interior
In the bottom gap that tailpipe 1 and outer tailpipe 2 are constituted;The bottom end of outer tailpipe 2 is provided with drainage hole 22, draining
Hole 22 is used to drain into the water in bottom gap the outside of outer tailpipe 2.
Above-mentioned water proof type tailpipe will be applied to the engine of diesel-type, therefore its tailpipe is in practical work process
In be it is whole be arranged vertically, can be hit first when running into rainy weather after rainwater is entered by the top end opening of outer tailpipe
On the guiding gutter of interior tailpipe, and it is directly directed between the bottom that interior tailpipe and outer tailpipe are constituted by guiding gutter
In gap, and due to the presence of guiding gutter, so that rainwater can only avoid rainwater from entering the opposite side of guiding gutter, most in unilateral side flowing
The outside of outer tailpipe is drained by the drainage hole that the bottom end of outer tailpipe is arranged eventually.Pass through to effectively avoid rainwater
Tailpipe enters engine aftertreatment system, reduces after-treatment system failure rate, reduces the maintenance cost of vehicle.
What needs to be explained here is that those skilled in the art will readily appreciate that, in order to make tail gas system
System can normal exhaust, preset gap should be maintained between interior tailpipe and outer tailpipe.
In some specific embodiments, the specific structure of above-mentioned guiding gutter 11 is type structure wide at the top and narrow at the bottom.By setting
The structure of upper wide type is counted into, more facilitates to be located adjacent to the guiding gutter at top end opening position and forms the area that effectively intercepts water,
And by being designed to that the structure of lower narrow is to minimize the exhaust due to the internal tailpipe of arrangement of guiding gutter itself
Caused by influence, after all in tailpipe carry the degassing function of exhaust treatment system.
In further embodiment, guiding gutter 11 is the groove body of the internally pressuring shaping directly on interior tailpipe 1.Due to interior
The pipe fitting that tailpipe sheet is made as relatively thin metal material, thus it is more square by internally pressuring shaping production guiding gutter
Just.Of course, it should be understood that being also possible to the common other structures form of those skilled in the art, such as in interior tailpipe
On open up groove after, then welding have water guide groove shape groove body in the groove structure.
In some more particular embodiments, in order to facilitate being arranged admittedly between interior tailpipe 1 and outer tailpipe 2
It is fixed, annular convex platform 12, the outer diameter of annular convex platform 12 and outer exhaust are additionally provided with close to the position of bottom end in interior tailpipe 1
The bottom end internal diameter of tail pipe 2 is adapted, and the bottom end of outer tailpipe 2 is fixed on annular convex platform 12 by the first clip 3.When
So it is understood that the structure of above-mentioned design annular convex platform is only the embodiment of the present invention for interior tailpipe 1 and outlet
Gas tail pipe 2 is arranged the preferable examples of structure, in practical application, can also be that common other of those skilled in the art are arranged
Structure type, such as the bottom end of interior tailpipe are provided with the first outside flange, and the bottom end of outer tailpipe is provided with outward
The second flange, the mode etc. that the first flange and the second flange are bolted.
In further embodiment, in order to guarantee that interior tailpipe 1 and outer tailpipe 2 are fastened using the first clip
When, outer tailpipe 2 has good shrinkage deformation ability, and the bottom end of above-mentioned outer tailpipe 2 is additionally provided with for adapting to the
First deformation slot 23 of the clamping deformation of one clip 3.
In further embodiment, in order to enable the processing of drainage hole and the first deformation slot is more convenient, above-mentioned the
One deformation slot 23 and drainage hole 22 can be designed to the structure type for corresponding and connecting.On of course, it should be understood that
It states and corresponds and the structure type that connects is only the preferable examples of the embodiment of the present invention, in actual application,
It can also be the first deformation slot and the individually designed structure type of drainage hole.
It should be noted that in general, in order to which interior tailpipe connect more convenient, above-mentioned interior exhaust with exhaust system
The bottom end of tail pipe 1 is connect by the second clip 4 with exhaust system, and the bottom end of interior tailpipe 1 is provided with for adapting to second
Second deformation slot 13 of the clamping deformation of clip 4.Of course, it should be understood that above-mentioned be attached by the way of the second clip
The only preferable examples of the embodiment of the present invention in actual application, can also be that those skilled in the art are common
Other connection structure forms, such as by the way of the fastening of flange fitted bolt, or be direct welded structure form etc..
In some more particular embodiments, the peripheral surface of above-mentioned interior tailpipe 1 is except the area for arranging guiding gutter 11
It is overseas to be additionally provided with the gas vent 14 being evenly arranged.The exhaust resistance of interior tailpipe can effectively be increased by designing gas vent
Power, to reduce pressure at expulsion.
In some more particular embodiments, the distal opening section of above-mentioned interior tailpipe 1 is generally preferred to gently
S type section, can effectively increase interior tailpipe in this way and be vented outwards the conducting section of tail pipe, to enhance the two
Between the permeability that is vented, the case where avoiding blocking generation.
In addition to this, in order to avoid rainwater to enter outer tailpipe as far as possible, the open end of above-mentioned top end opening 21 is general
Inclination downwards has predetermined angle, and the range of choice of predetermined angle is between 5 ° -30 °.
Water proof type tailpipe provided by the present invention is described in detail above.It should be noted that this explanation
Various embodiments are described in a progressive manner in book, the highlights of each of the examples are with other embodiments not
Same place, the same or similar parts between the embodiments can be referred to each other.
It should also be noted that, herein, such as the terms "include", "comprise" or its any other variant are intended to contain
Lid non-exclusive inclusion, so that article or equipment including a series of elements not only include those elements, but also
It including other elements that are not explicitly listed, or further include for this article or the intrinsic element of equipment.Do not having
In the case where more limitations, the element that is limited by sentence "including a ...", it is not excluded that in the article including above-mentioned element
Or there is also other identical elements in equipment.
Used herein a specific example illustrates the principle and implementation of the invention, and above embodiments are said
It is bright to be merely used to help understand method and its core concept of the invention.It should be pointed out that for the ordinary skill of the art
, without departing from the principle of the present invention, can be with several improvements and modifications are made to the present invention for personnel, these improvement
It is also fallen within the protection scope of the claims of the present invention with modification.
Claims (10)
1. a kind of water proof type tailpipe, which is characterized in that the interior tailpipe (1) being connected to including the exhaust system with engine
With the outer tailpipe (2) in the outside for being set in the interior tailpipe (1), and the top end opening of the outer tailpipe (2)
(21) it is bent to side;
The top of the interior tailpipe (1) extends to the position of top end opening described in face (21), and the interior tailpipe
(1) side close to the top end opening (1) is provided with guiding gutter (11), and the guiding gutter (11) from the top for that will open
The water that mouth (21) enters is directed in the bottom gap that the interior tailpipe (1) and the outer tailpipe (2) are constituted;Institute
The bottom end for stating outer tailpipe (2) is provided with drainage hole (22), and the drainage hole (22) is used for the water in the bottom gap
Drain into the outside of the outer tailpipe (2).
2. water proof type tailpipe as described in claim 1, which is characterized in that the guiding gutter (11) is type knot wide at the top and narrow at the bottom
Structure.
3. water proof type tailpipe as claimed in claim 2, which is characterized in that the guiding gutter (11) is directly described interior
The groove body of internally pressuring shaping on tailpipe (1).
4. water proof type tailpipe as described in claim 1, which is characterized in that the interior tailpipe (1) is close to bottom end
Position is additionally provided with annular convex platform (12), the bottom end of the outer diameter of the annular convex platform (12) and the outer tailpipe (2)
Internal diameter is adapted, and the bottom end of the outer tailpipe (2) is fixed on the annular convex platform (12) by the first clip (3)
On.
5. water proof type tailpipe as claimed in claim 4, which is characterized in that the bottom end of the outer tailpipe (2) is also set
It is equipped with the first deformation slot (23) of the clamping deformation for adapting to first clip (3).
6. water proof type tailpipe as claimed in claim 5, which is characterized in that first deformation slot (23) and the draining
Hole (22) corresponds and connects.
7. water proof type tailpipe as described in claim 1, which is characterized in that the bottom end of the interior tailpipe (1) passes through
Second clip (4) is connect with the exhaust system, and the bottom end of the interior tailpipe (1) is provided with for adapting to described second
Second deformation slot (13) of the clamping deformation of clip (4).
8. such as water proof type tailpipe of any of claims 1-7, which is characterized in that the interior tailpipe (1)
Peripheral surface be additionally provided with the gas vent (14) being evenly arranged in addition to the region for arranging the guiding gutter (11).
9. such as water proof type tailpipe of any of claims 1-7, which is characterized in that the interior tailpipe (1)
Distal opening section be gentle S type section.
10. such as water proof type tailpipe of any of claims 1-7, which is characterized in that the top end opening (21)
Open end tilt have predetermined angle downwards, and the range of choice of the predetermined angle is between 5 ° -30 °.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910243322.1A CN109973191B (en) | 2019-03-28 | 2019-03-28 | Waterproof type tail pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910243322.1A CN109973191B (en) | 2019-03-28 | 2019-03-28 | Waterproof type tail pipe |
Publications (2)
Publication Number | Publication Date |
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CN109973191A true CN109973191A (en) | 2019-07-05 |
CN109973191B CN109973191B (en) | 2020-09-29 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201910243322.1A Active CN109973191B (en) | 2019-03-28 | 2019-03-28 | Waterproof type tail pipe |
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CN (1) | CN109973191B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113339118A (en) * | 2021-07-02 | 2021-09-03 | 兴化市富邦机械有限公司 | Silencer for motorcycle exhaust pipe and assembly thereof |
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CN206785469U (en) * | 2017-06-17 | 2017-12-22 | 邢文清 | Portable reverse-filling automobile external blast pipe |
CN206903733U (en) * | 2017-07-11 | 2018-01-19 | 山推工程机械股份有限公司 | A kind of engineering machinery engine exhaust structure |
CN108223093A (en) * | 2017-12-08 | 2018-06-29 | 中国北方发动机研究所(天津) | A kind of shipboard helicla flute flow-guiding type water channel interlayer smoke exhaust pipe heat insulation structural |
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US5170020A (en) * | 1991-03-05 | 1992-12-08 | Deere & Company | Rainproof exhaust pipe |
US5321215A (en) * | 1993-05-11 | 1994-06-14 | Nelson Industries, Inc. | Vertical exhaust system incorporating a water trap |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113339118A (en) * | 2021-07-02 | 2021-09-03 | 兴化市富邦机械有限公司 | Silencer for motorcycle exhaust pipe and assembly thereof |
CN113339118B (en) * | 2021-07-02 | 2022-01-18 | 兴化市富邦机械有限公司 | Silencer for motorcycle exhaust pipe |
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