CN207647588U - Exhaust manifold slip joint - Google Patents
Exhaust manifold slip joint Download PDFInfo
- Publication number
- CN207647588U CN207647588U CN201721581436.XU CN201721581436U CN207647588U CN 207647588 U CN207647588 U CN 207647588U CN 201721581436 U CN201721581436 U CN 201721581436U CN 207647588 U CN207647588 U CN 207647588U
- Authority
- CN
- China
- Prior art keywords
- connection part
- female end
- oedoeagus
- entrance
- end connection
- 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.)
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Classifications
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- 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
- F01N13/10—Other arrangements or adaptations of exhaust conduits of exhaust manifolds
-
- 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
- F01N13/1811—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body with means permitting relative movement, e.g. compensation of thermal expansion or vibration
-
- 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
- F01N13/10—Other arrangements or adaptations of exhaust conduits of exhaust manifolds
- F01N13/107—More than one exhaust manifold or exhaust collector
-
- 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
- F01N13/1827—Sealings specially adapted for exhaust systems
-
- 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
- F01N13/185—Mechanical joints the connection being realised by deforming housing, tube, baffle, plate, or parts thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/007—Joints with sleeve or socket clamped by a wedging action
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L27/00—Adjustable joints, Joints allowing movement
-
- 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
- F01N2260/00—Exhaust treating devices having provisions not otherwise provided for
- F01N2260/10—Exhaust treating devices having provisions not otherwise provided for for avoiding stress caused by expansions or contractions due to temperature variations
-
- 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
- F01N2450/00—Methods or apparatus for fitting, inserting or repairing different elements
- F01N2450/20—Methods or apparatus for fitting, inserting or repairing different elements by mechanical joints, e.g. by deforming housing, tube, baffle plate or parts thereof
-
- 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
- F01N2470/00—Structure or shape of gas passages, pipes or tubes
- F01N2470/08—Gas passages being formed between the walls of an outer shell and an inner chamber
-
- 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
- F01N2470/00—Structure or shape of gas passages, pipes or tubes
- F01N2470/12—Tubes being corrugated
-
- 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
- F01N2470/00—Structure or shape of gas passages, pipes or tubes
- F01N2470/24—Concentric tubes or tubes being concentric to housing, e.g. telescopically assembled
-
- 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
- F01N2470/00—Structure or shape of gas passages, pipes or tubes
- F01N2470/28—Tubes being formed by moulding or casting x
-
- 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
- F01N2590/00—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines
- F01N2590/08—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines for heavy duty applications, e.g. trucks, buses, tractors, locomotives
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S285/00—Pipe joints or couplings
- Y10S285/905—Different coefficients of expansion
Abstract
A kind of exhaust manifold slip joint, it is durable gas-tight seal for being formed between the first pipe portion and the second pipe portion of exhaust manifold.Exhaust manifold slip joint includes：The first pipe portion including oedoeagus connection part；The second pipe portion including female end connection part.Oedoeagus connection part can be inserted into female end connection part to form exhaust passage.Female end connection part is Chong Die with oedoeagus connection part at overlay segment.Leakage paths are fluidly coupled to exhaust passage, and wherein leakage paths are configured to provide for the leakage of exhaust gas.Leakage paths are formed between oedoeagus connection part and female end connection part.Multiple spines are plugged at overlay segment region between oedoeagus connection part and female end connection part.Multiple spines can promote the soot dust granule in exhaust gas to be collected in the gap between the first pipe portion and the second pipe portion.The accumulation of soot dust granule can help to be formed between the first pipe portion and the second pipe portion durable gas-tight seal.
Description
Technical field
The utility model relates generally to field of internal combustion engine, and in particular to the exhaust manifold of internal combustion engine, and more specifically
It is related to exhaust manifold interface.
Background technology
In internal combustion engine, hot gas can be delivered to from cylinder outside it by exhaust manifold.During engine works, start
Machine manifold can be expanded since engine.The degree of thermal expansion can be determined by following factor：Material character；Cycle of engine；With
And exhaust gas temperature.
In big-block engine, exhaust manifold may include several sections to link together.Exhaust manifold is designed in phase
There is gap, in order to assemble and compensate opposite thermal expansion between the part to connect.The size in gap can be configured to reality
Now effective assembling, the relative expansion being simultaneously provided in certain threshold levels.
In general, engine can be improved by with bigger manifold and flange connector come assembled manifold section.However, being
Maintenance sealing appropriate, larger flange connector may need greater number of fastener.Compared with exhaust manifold, for tight
The different materials of firmware may lead to different expansions and shrinking percentage, this may lead to manifold cracking and fastener fatigue.
The ability to work of engine can be improved by improving fuel system and electronic device.Engine can be relatively short
Time span in worked with different load levels.The ability recycled between high load capacity and low load condition may be by
Cause to thermally expand in the fluctuation of delivery temperature.In order to compensate for the thermal expansion in exhaust manifold, bellows can be combined with flange to be made
With.However, due to severe working environment, bellows as known in the art has fatigue and leakage over time
Trend.
DE2729772A1 discloses a kind of pipe connections for internal-combustion engine vent-pipe.Pipe connections have covering pipe
The sleeve of adjacent end portion.Each pipe end is cut to retain semicircle tube portion, is engaged with the semi-circular portions of another pipe to complete
Entire circle segments.The straight flange of each semi-circular portions is tilted relative to pipe axis, to form the complementary clasp joint with another semi-circular portions
The hook of conjunction.
The utility model is related to improving or overcoming the one or more aspects of prior art systems at least partly.
Utility model content
In the first aspect, the utility model describes a kind of exhaust manifold slip joint comprising：Couple including oedoeagus
First pipe portion in portion；The second pipe portion including female end connection part, wherein oedoeagus connection part can be inserted into female end connection part so as to shape
At exhaust passage, and wherein female end connection part is Chong Die with oedoeagus connection part at overlay segment；It is fluidly connected to exhaust passage
Leakage paths, wherein leakage paths are configured to provide for the leakage of exhaust gas, and wherein leakage paths are formed in oedoeagus connection part and the moon
Between the connection part of end；And multiple spines, it is arranged between oedoeagus connection part and female end connection part at overlay segment region.
The leakage paths include entrance for allowing exhaust gas to enter from the exhaust passage and described useless for allowing
Gas is from the outlet that the leakage paths are discharged.
First pipe portion includes the annular flange being spaced apart with the overlay segment, and the outlet is formed in the annular
Between flange and the female end connection part.
The leakage paths include leading to the outlet section of the overlay segment from the outlet, and the outlet section is perpendicular to institute
State overlay segment.
The leakage paths include the entrance for leading to the overlay segment from the entrance, wherein the entrance is vertical
In the overlay segment.
Sealing ring extends to the female end connection part from the annular flange around the outlet.
The distance between the oedoeagus connection part and the female end connection part along the leakage paths from the entrance to
The outlet increases.
The height of the spine increases from the entrance to the outlet along the overlay segment.
The width of the spine increases from the entrance to the outlet along the overlay segment.
Further comprise the multiple valley being dispersed between the spine, wherein the width of the valley is from the entrance
Reduce to the outlet along the overlay segment.
Multiple spines that the utility model is arranged between the first pipe portion and the second pipe portion can promote the flue dust in exhaust gas
Particle is collected in the gap between the first pipe portion and the second pipe portion.The accumulation of soot dust granule can help to the first pipe portion with
It is formed between second pipe portion durable gas-tight seal.
Description of the drawings
The aforementioned of the utility model will be more fully understood from being described below for each embodiment when read in conjunction with the accompanying drawings
With other feature and advantage, wherein：
Fig. 1 is two sections of isometric view of exhaust manifold according to the present utility model；
Fig. 2 is the partial cross-sectional view of the first embodiment of exhaust manifold slip joint according to the present utility model；And
Fig. 3 is the partial cross-sectional view of the second embodiment of exhaust manifold slip joint according to the present utility model.
Specific implementation mode
The utility model relates generally to a kind of exhaust manifold slip joint for exhaust manifold.Fig. 1 illustrates have
The exhaust manifold 100 of first manifold segments 102 and the second manifold segments 104.Exhaust manifold 100 can have for connecting the first manifold segments
102 and second manifold segments 104 exhaust manifold slip joint 10.
Exhaust manifold slip joint 10 can have the first pipe portion 12 and the second pipe portion 14.First pipe portion 12 may include that oedoeagus joins
Socket part 16.Second pipe portion 14 may include female end connection part 18.In embodiment, the first pipe portion 12 may include female end connection part 18,
And second pipe portion 14 may include oedoeagus connection part 16.
Fig. 2 and Fig. 3 illustrates the first and second embodiments of exhaust manifold slip joint 10 respectively.Oedoeagus connection part 16 can be inserted
Enter in female end connection part 18.Leakage paths 22 may be formed between oedoeagus connection part 16 and female end connection part 18.Multiple spines 26
It can be plugged between oedoeagus connection part 16 and female end connection part 18.
First pipe portion 12 may be provided in the first manifold segments 102, and the second pipe portion 14 may be provided at the second manifold segments 104
On.First pipe portion 12 and the second pipe portion 14 can form any part of exhaust manifold 100.First pipe portion 12 and the second pipe portion 14 can
With substantially tubular shape configuration.Referring to figs. 2 and 3, the first pipe portion 12 can have the of the first part for forming exhaust passage 20
One hollow hole 34.Second pipe portion 14 can have the second hollow hole 36 of the second part for forming exhaust passage 20.In embodiment,
First pipe portion 12 and the second pipe portion 14 can be substantially respectively linear.
Female end connection part 18 can not form a part for the second hollow hole 36.Female end connection part 18 can surround with it is second hollow
The connection holes 44 that hole 36 abuts.The inner surface 46 of female end connection part 18 can limit connection holes 44.The diameter of connection holes 44 can be more than
The diameter of second hollow hole 36.
With reference to figure 1, oedoeagus connection part 16 can be inserted into female end connection part 18.In embodiment, the axis of oedoeagus connection part 16
The axial length of female end connection part 18 is substantially equal to length.Oedoeagus connection part 16 can be inserted into female end connection part 18 so as to
Form exhaust passage 20.Oedoeagus connection part 16 may be housed in connection holes 44.First pipe portion 12 and the second pipe portion 14 it is corresponding
First hollow hole 34 and the second hollow hole 36 can be connected to form exhaust passage 20.First pipe portion 12 and the second pipe portion 14 can pass through
The connection of oedoeagus connection part 16 and female end connection part 18 and fluidly connect.In embodiment, exhaust passage 20 can be substantially
It is linear and there can be longitudinal axis A.
Oedoeagus connection part 16 and female end connection part 18 are substantially tube.The diameter of oedoeagus connection part 16 is equal to the first pipe
The rest part in portion 12.The diameter of female end connection part 18 is more than the rest part of the second pipe portion 14.The internal diameter of female end connection part 18
The rest part of the second pipe portion 14 can be more than.Female end connection part 18 can be relative to the rest part and longitudinal axis of the second pipe portion 14
A is spaced apart radially further.The diameter of female end connection part 18 can be more than the rest part of oedoeagus connection part 16.Female end connection part
18 internal diameter can be more than the rest part of the first pipe portion 12.
Second pipe portion 14 can have the annular shoulder 38 for the rest part that female end connection part 18 is connected to the second pipe portion 14.
Shoulder 38 can be far from the second hollow hole 36 radially.Shoulder 38 can limit the beginning of the second hollow hole 36.
Referring to figs. 2 and 3, oedoeagus connection part 16 can have first terminal 28.First terminal 28 can be configured to restriction first
The annular ring of opening 32.First opening 32 can lead to the first hollow hole 34 of the first pipe portion 12.The diameter of first opening 32 can base
It is equal to the internal diameter of oedoeagus connection part 16 in sheet.The diameter of first opening 32 is substantially equal to the internal diameter of the first hollow hole 34.The
The diameter of one opening 32 is substantially equal to the internal diameter of the second hollow hole 36.First terminal 28 can be towards shoulder 38.In embodiment
In, the width of shoulder 38 is substantially equal to the width of first terminal 28.
With reference to figure 1 and Fig. 2, female end connection part 18 can have second terminal 40.Second terminal 40 can be configured to restriction second
The annular ring of opening 42.Second opening 42 leads to the connection holes 44 of the second pipe portion 14.The diameter of second opening 42 can substantially etc.
In the internal diameter of female end connection part 18.The internal diameter of second opening 42 can be configured to accommodate oedoeagus connection part 16.Second opening 42 it is interior
Diameter can be more than the outer diameter of oedoeagus connection part 16.
With reference to figure 1, Fig. 2 and Fig. 3, the inner surface 46 of female end connection part 18 can extend to the second opening 42 from shoulder 38.Connection
The second opening 42 can be extended to from shoulder 38 by connecing hole 44.
Female end connection part 18 can be Chong Die with oedoeagus connection part 16 at overlay segment 24.Female end connection part 18 can couple with oedoeagus
Portion 16 is concentric.The inner surface 46 of female end connection part 18 can be concentric with the outer surface 30 of oedoeagus connection part 16.Overlay segment 24 can have
Loop configurations.Overlay segment 24 can be concentric relative to exhaust passage 20.
Overlay segment 24 can be limited by the corresponding construction of female end connection part 18 and oedoeagus connection part 16.Overlay segment 24 can be by female end
The inner surface 46 of connection part 18 and the outer surface 30 of oedoeagus connection part 16 limit.The axial length of overlay segment 24 can be coupled by female end
The inner surface 46 in portion 18 and the corresponding axial length of the outer surface 30 of oedoeagus connection part 16 determine.
The inner surface 46 of female end connection part 18 can be radially spaced with the outer surface 30 of oedoeagus connection part 16.Female end connection part
18 inner surface 46 can be evenly spaced apart with the outer surface 30 of oedoeagus connection part 16.The inner surface 46 of female end connection part 18 can enclose
Extend around the outer surface of oedoeagus connection part 16 30.The inner surface 46 of female end connection part 18 can join relative to longitudinal axis A and oedoeagus
The outer surface 30 of socket part 16 is coaxial.
Exhaust manifold slip joint 10 may include leakage paths 22.Leakage paths 22 can be the sky in exhaust manifold 100
Gap.Leakage paths 22 can extend through the gap of exhaust manifold slip joint 10.Leakage paths 22 can the row of being fluidly coupled to
Gas channel 20.Leakage paths 22 can be configured to provide the leakage of exhaust gas.Leakage paths can be flowed by flowing through the exhaust gas of exhaust passage 20
The outside of exhaust manifold 100 is reached in 22.The flow path of exhaust gas is described by the arrow in Fig. 2 and Fig. 3.
Leakage paths 22 may include overlay segment 24.The exhaust gas leaked by leakage paths 22 can be by overlay segment 24.Leakage
Path 22 can extend to the corresponding outer surface of the first pipe portion 12 and the second pipe portion 14 from corresponding inner surface.Leakage paths 22 can
There are loop configurations around exhaust passage 20.Leakage paths 22 can be concentric relative to exhaust passage 20.
Leakage paths 22 may include the entrance 48 for allowing exhaust gas to enter from exhaust passage 20.The permissible exhaust of entrance 48
Fluid communication between channel 20 and leakage paths 22.Entrance 48 allows exhaust gas to enter leakage paths 22 from exhaust passage 20.
Entrance 48 may be formed between oedoeagus connection part 16 and female end connection part 18.Entrance 48 can have annular around exhaust passage 20
Configuration.
Entrance 48 may be formed between the inner surface and first terminal 28 of the second hollow hole 36.Entrance 48 can be by the first side
The surface of first terminal 28 and the inner surface of the edge of the shoulder 38 in the second side and the second hollow hole 36 limit.Implementing
In example, the first side can be by the edge limited of the first opening 32.
In embodiment, leakage paths 22 can further comprise the entrance 50 for leading to overlay segment 24 from entrance 48.Entrance
Section 50 may be formed between shoulder 38 and first terminal 28.Entrance 50 can be far from entrance 48 radially.Further real
It applies in example, entrance 50 may be substantially perpendicular to overlay segment 24.Exhaust gas can flow to overlay segment 24 from entrance 48 by entrance 50.
Leakage paths 22 may include for allowing exhaust gas from the outlet 52 that leakage paths 22 are discharged.The permissible leakage in outlet 52
Fluid communication between path 22 and the outside of exhaust manifold 100.52 permissible exhaust gas are exported to be expelled to from leakage paths 22
The outside of gas manifold 100.Outlet 52 may be formed between oedoeagus connection part 16 and female end connection part 18.It outlet 52 can be logical in exhaust
There are loop configurations around road 20.Outlet 52 can be coaxial relative to longitudinal axis A and entrance 48.
With reference to figure 2, in the first embodiment, outlet 52 may be provided at the end of overlay segment 24.Outlet 52 may be provided at
The end opposite with the end for being connected to entrance 50 of overlay segment 24.
With reference to figure 3, in a second embodiment, the first pipe portion 12 can further comprise the convex annular being spaced apart with overlay segment 24
Edge 56.Annular flange 56 may be provided on oedoeagus connection part 16.Annular flange 56 may be formed on the outer surface of the first pipe portion 12.
Annular flange 56 can be concentric with exhaust passage 20.Second terminal 40 can be towards annular flange 56.In embodiment, annular flange 56
Width be substantially equal to the width of second terminal 40.
Outlet 52 may be formed at annular flange 56 and between female end connection part 18.Outlet 52 may be formed at annular flange 56
Free end 60 and second terminal 40 between.
Outlet 52 can be by the second terminal 40 on the side and the second side of the free end 60 of the annular flange 56 on the first side
Surface limit.In embodiment, the first side can be by the edge limited of the free end 60 of annular flange 56, and the second side can be by
The excircle of two terminals 40 limits.
In embodiment, leakage paths 22 can further comprise the outlet section 54 for leading to overlay segment 24 from outlet 52.Outlet
Section 54 may be formed between the side of annular flange 56 and second terminal 40.Outlet section 54 can be radially extended towards outlet 52.Into
In one step embodiment, outlet section 54 may be substantially perpendicular to overlay segment 24.
In embodiment, sealing ring 58 can surround outlet 52 and extend.Sealing ring 58 can extend to female end from annular flange 56
Connection part 18.Sealing ring 58 can be connected to the free end 60 of annular flange 56 at one end.Sealing ring 58 can be connected to female end connection
The outer surface of socket part 18.Sealing ring 58 can be concentric with outlet 52.
Referring to figs. 2 and 3, the distance between oedoeagus connection part 16 and female end connection part 18 can be along from entrances 48 to outlet
52 leakage paths 22 increase.The distance between oedoeagus connection part 16 and female end connection part 18 can be relative to the flow paths of exhaust gas
Increase.As exhaust gas flow to outlet 52 from entrance 48, the leakage paths 22 between oedoeagus connection part 16 and female end connection part 18
The reduction of exhaust flow velocity can be achieved along the increase of leakage paths for gap or width.
The distance between the respective surfaces for limiting entrance 50 can increase from entrance 48 to overlay segment 24.Shoulder 38 and first
The distance between terminal 28 can increase from entrance 48 to overlay segment 24.
With reference to figure 2, in the first embodiment, the distance between respective surfaces of overlay segment 24 can be from entrance 50 to outlet
52 increase.In the first embodiment, between the inner surface 46 of female end connection part 18 and the outer surface 30 of oedoeagus connection part 16 away from
From can from entrance 50 to outlet 52 increase.
With reference to figure 3, in a second embodiment, the distance between respective surfaces of overlay segment 24 can be from entrance 50 to outlet
Section 54 increases.In a second embodiment, between the inner surface 46 of female end connection part 18 and the outer surface 30 of oedoeagus connection part 16
Distance can increase from entrance 50 to outlet section 54.
With reference to figure 3, limiting the distance between respective surfaces of outlet section 54 can increase from overlay segment 24 to outlet 52.Annular
The distance between flange 56 and second terminal 40 can increase from overlay segment 24 to outlet 52.
In embodiment, the cross-sectional area of leakage paths 22 comparable bigger at entrance 48 at outlet 52.Leakage paths
22 cross-sectional area can increase from outlet 52 to entrance 48.
Referring to figs. 1 to Fig. 3, exhaust manifold slip joint 10 may include being plugged on oedoeagus connection part 16 at overlapping region 24
Multiple spines 26 between female end connection part 18.Multiple spines 26 promote soot dust granule in exhaust gas or particulate matter to be collected
Between oedoeagus connection part 16 and female end connection part 18.
Multiple spines 26 can be continuously distributed along overlay segment 24.Multiple spines 26 can be in the inner surface 46 of female end connection part 18
Extend between the outer surface 30 of oedoeagus connection part 16.Each spine 26 can be annular ring and can be same with exhaust passage 20
The heart.
Each spine 26 can have suitable cross-sectional shape.In embodiment, the cross-sectional shape of spine 26 can be
Semicircle, string shape, ellipse, trapezoidal, triangle or rectangle.Each spine 26 can have base portion and tip.Each spine 26 can
It is tapered from base portion to tip.In embodiment, tip is narrower than base portion.
In embodiment, spine 26 may be provided on the outer surface 30 of oedoeagus connection part 16.The base portion of each spine 26 can
It is arranged on outer surface 30.When oedoeagus connection part 16 to be inserted into female end connection part 18, the tip of each spine 26 is engageable
The inner surface 46 of female end connection part 18.
In alternative embodiments, spine 26 may be provided on the inner surface 46 of female end connection part 18.The base of each spine 26
Portion may be provided on inner surface 46.When oedoeagus connection part 16 to be inserted into female end connection part 18, the tip of each spine 26 can
It is engaged with the outer surface 30 of oedoeagus connection part 16.
The height of spine 26 can increase from entrance 48 to outlet 52 along overlay segment 24.The height of spine 26 can be relative to useless
The flow path of gas increases along overlay segment 24.With reference to figure 2, in the first embodiment, the height of spine 26 can be from entrance 50
Increase to outlet 52 along overlay segment 24.With reference to figure 3, in a second embodiment, the height of spine 26 can be from entrance 50 to going out
Mouth section 54 increases along overlay segment 24.The height increase of spine 26 can help to oedoeagus connection part 16 being assembled to female end connection part
18.Gap between oedoeagus connection part 16 and female end connection part 18 can be relatively small.Therefore, when oedoeagus connection part 16 and female end join
When socket part 18 is coupled together, the engagement of the increased each continuously spine 26 of height can help to that corresponding portion is made to concentrate on one
It rises.The height increase of spine 26 can also promote the insertion of continuous spine 26.
When the heating and when mutually sliding during operation of oedoeagus connection part 16 and female end connection part 18, the height of spine 26
Increase can help to keep effective air seal.Maximum and final spine 26 can relatively close inner surface 46, therefore lean on
Preceding spine 26 can keep helping to provide the particulate matter of the accumulation of combustion seal.
Exhaust manifold slip joint 10 may include the multiple valley 62 being dispersed between spine 26.The protuberance 26 of front also may be used
Help to continuously decrease the gas pressure in each valley 62, thus improves air seal.
The width of spine 26 can increase from entrance 48 to outlet 52 along overlay segment 24.The width of spine 26 can be relative to useless
The flow path of gas increases along overlay segment 24.With reference to figure 2, in the first embodiment, the width of spine 26 can be from entrance 50
Increase to outlet 52 along overlay segment 24.With reference to figure 3, in a second embodiment, the width of spine 26 can be from entrance 50 to going out
Mouth section 54 increases along overlay segment 24.
Referring to figs. 1 to Fig. 3, valley 62 can be limited by the distance between the respective bases of adjacent ridges 26.Cigarette in exhaust gas
Dirt particle or particulate matter can be collected in the valley 62 between adjacent ridges 26.In embodiment, the width of valley 62 can
Reduce along from entrance 48 to the overlay segment of outlet 52.The width of valley 62 can relative to exhaust gas flow path along overlay segment
24 reduce.With reference to figure 2, in the first embodiment, the width of valley 62 can subtract from entrance 50 to outlet 52 along overlay segment 24
It is small.With reference to figure 3, in a second embodiment, the width of valley 62 can reduce from entrance 50 to outlet section 54 along overlay segment 24.
If Fig. 1 is to illustrated in fig. 3, exhaust manifold slip joint 10 may include in exhaust manifold 100.Exhaust manifold
100 may include in internal combustion engine（It is not shown）In.
Method for sealing exhaust manifold slip joint 10 may include following steps：The first of the first manifold segments 102
Leakage paths 22 are provided between the oedoeagus connection part 16 of pipe portion 12 and the female end connection part 18 of the second manifold segments 104, wherein leaking
Path 22 is configured for the entrance 48 for making a part for exhaust gas flow through the entrance leakage paths 22 of exhaust manifold slip joint 10 simultaneously
And along leakage paths 22, and wherein at least one of oedoeagus connection part 16 and female end connection part 18 are configured to along leakage road
Diameter 22 provides a series of spines 26 and valley 62, passes through these spines 26 when a part for exhaust gas is advanced along leakage paths 22
With valley 62；And
In valley 62 and exhaust discrimination is sealed using the particle accumulation in a part for the exhaust gas for flowing through leakage paths 22
Pipe slip joint 10.
This method can further comprise the steps：By relatively hot between oedoeagus connection part 16 and female end connection part 18
Expansion reduces the gap between spine 26 and inner surface 46 to reduce or eliminate leakage paths 22 to prevent exhaust manifold 100
Gas leakage.
It will be appreciated by those skilled in the art that previous embodiment can be modified or combined to obtain the row of the utility model
Gas manifold slip joint 10.
Industrial applicibility
The utility model describes a kind of exhaust manifold slip joint 10 for exhaust manifold 100.Exhaust manifold slides
Connector 10 can effectively assemble the first pipe portion 12 and the second pipe portion 14 of exhaust manifold 100.It is plugged on the first pipe portion 12 and
Multiple spines 26 between two pipe portions 14 promote the soot dust granule in exhaust gas be collected in the first pipe portion 12 and the second pipe portion 14 it
Between gap in.The accumulation of soot dust granule can help to be formed between the first pipe portion 12 and the second pipe portion 14 durable airtight close
Envelope.
Gap between first pipe portion 12 and the second pipe portion 14 can increase along leakage paths, this may lead to any exhaust gas
The speed of leakage reduces towards outlet 52.Speed reduction can further assist soot dust granule deposition in the offgas.
In assembling, exhaust manifold 100 is cold, and gap between the first pipe portion 12 and the second pipe portion 14, is specifically
The width of leakage paths 22 is convenient for assembling.By increasing the height of spine 26 along overlay segment 24, assembling can be further assisted
Simplification.With engine during operation in warm, gap may reduce.When exhaust manifold 100 works the phase in engine
Between heating when, the reduction in gap can help to be formed gas-tight seal.During the hot/cold thermal cycle of exhaust manifold 100, spine 26
It will be moved relative to the complimentary abutment surface of the first pipe portion 12 or the second pipe portion 14.During relatively moving herein, spine can be promoted
26 against the first pipe portion 12 or the second pipe portion 14 complimentary abutment surface abrasion.The tip of spine 26 can according to the size of recess portion and
Shape and be worn.Spine 26 with wider tip can be with higher wearability.Wear extent can be by adjusting spine 26
The width at tip configures, and thus allows the optimization validity of hermetic seal.It is gas-tight seal can be by around the periphery of spine 26
The soot dust granule of accumulation maintains.
Therefore, the utility model includes that all of theme enumerated in the allowed the appended claims of applicable law repair
Change and equivalent.In addition, unless otherwise indicated herein, otherwise said elements in all possible change of the utility model
Any combinations are covered by the utility model.
When the technical characteristic mentioned in any claims is followed by reference mark, include unique mesh of label
Be the comprehensibility for improving claims, and therefore reference mark or their missing will not be to technologies as described above
Feature has any restrictions influence to the range of any claims element.
It would be recognized by those skilled in the art that in the case where not departing from the utility model or its essential characteristics, it can be with it
Its concrete form embodies the utility model.Therefore previous embodiment is entirely in order to illustrate rather than described herein for limiting
The utility model.Therefore the scope of protection of the utility model is indicated in the appended claims, rather than indicated by foregoing description, and because
This is intended to all changes within the meaning of the equivalents of the claims and protection domain being included in wherein.
Claims (10)
1. a kind of exhaust manifold slip joint（10）, which is characterized in that including：
Including oedoeagus connection part（16）The first pipe portion（12）；
Including female end connection part（18）The second pipe portion（14）, wherein the oedoeagus connection part（16）It can be inserted into the female end connection
Socket part（18）In to form exhaust passage（20）, and the wherein described female end connection part（18）In overlay segment（24）Place and the sun
Hold connection part（16）Overlapping；
It is fluidly connected to the exhaust passage（20）Leakage paths（22）, wherein the leakage paths（22）It is configured to carry
For the leakage of exhaust gas, and the wherein described leakage paths（22）It is formed in the oedoeagus connection part（16）With the female end connection part
（18）Between；And
Multiple spines（26）, in the overlay segment（24）It is arranged in the oedoeagus connection part at region（16）With female end connection part
（18）Between.
2. exhaust manifold slip joint according to claim 1（10）, which is characterized in that the leakage paths（22）Including
For allowing exhaust gas from the exhaust passage（20）The entrance of entrance（48）With for allowing the exhaust gas from the leakage paths
（22）The outlet of discharge（52）.
3. exhaust manifold slip joint according to claim 2（10）, which is characterized in that first pipe portion（12）Including
With the overlay segment（24）Annular flange spaced apart（56）, and the outlet（52）It is formed in the annular flange（56）With institute
State female end connection part（18）Between.
4. exhaust manifold slip joint according to claim 2 or 3（10）, which is characterized in that the leakage paths（22）
Including from the outlet（52）Lead to the overlay segment（24）Outlet section（54）, and the outlet section（54）Perpendicular to described heavy
Folded section（24）.
5. exhaust manifold slip joint according to claim 2 or 3（10）, which is characterized in that the leakage paths（22）
Including from the entrance（48）Lead to the overlay segment（24）Entrance（50）, wherein the entrance（50）Perpendicular to institute
State overlay segment（24）.
6. exhaust manifold slip joint according to claim 3（10）, which is characterized in that sealing ring（58）From the annular
Flange（56）Around the outlet（52）Extend to the female end connection part（18）.
7. exhaust manifold slip joint according to claim 2 or 3（10）, which is characterized in that the oedoeagus connection part
（16）With the female end connection part（18）The distance between along the leakage paths（22）From the entrance（48）Go out described in
Mouthful（52）Increase.
8. exhaust manifold slip joint according to claim 2 or 3（10）, which is characterized in that the spine（26）Height
It spends from the entrance（48）To the outlet（52）Along the overlay segment（24）Increase.
9. exhaust manifold slip joint according to claim 2 or 3（10）, which is characterized in that the spine（26）Width
It spends from the entrance（48）To the outlet（52）Along the overlay segment（24）Increase.
10. exhaust manifold slip joint according to claim 2 or 3（10）, which is characterized in that further comprise being dispersed in
The spine（26）Between multiple valley（62）, wherein the valley（62）Width from the entrance（48）Go out described in
Mouthful（52）Along the overlay segment（24）Reduce.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1619989.5A GB2556918B (en) | 2016-11-25 | 2016-11-25 | Exhaust manifold slip joint |
| GB1619989.5 | 2016-11-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207647588U true CN207647588U (en) | 2018-07-24 |
Family
ID=58073350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721581436.XU Active CN207647588U (en) | 2016-11-25 | 2017-11-23 | Exhaust manifold slip joint |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN207647588U (en) |
| GB (1) | GB2556918B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6220605B1 (en) * | 1998-07-14 | 2001-04-24 | Caterpillar Inc. | Slip joint connection for engine exhaust system |
| US7328685B2 (en) * | 2005-06-01 | 2008-02-12 | Dana Corporation | Slip joint exhaust manifolds |
| US7837233B2 (en) * | 2005-08-26 | 2010-11-23 | Cummins Inc. | Exhaust system slip joint |
| WO2015073872A1 (en) * | 2013-11-15 | 2015-05-21 | Interface Solutions, Inc. | Sealing sleeve for slip joint |
-
2016
- 2016-11-25 GB GB1619989.5A patent/GB2556918B/en active Active
-
2017
- 2017-11-23 CN CN201721581436.XU patent/CN207647588U/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| GB2556918A (en) | 2018-06-13 |
| GB2556918B (en) | 2020-05-27 |
| GB201619989D0 (en) | 2017-01-11 |
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