CN105518269A - Wound muffler manufacturing method and wound muffler - Google Patents
Wound muffler manufacturing method and wound muffler Download PDFInfo
- Publication number
- CN105518269A CN105518269A CN201480046947.4A CN201480046947A CN105518269A CN 105518269 A CN105518269 A CN 105518269A CN 201480046947 A CN201480046947 A CN 201480046947A CN 105518269 A CN105518269 A CN 105518269A
- Authority
- CN
- China
- Prior art keywords
- silencer
- pipe arrangement
- main part
- silencing apparatus
- pars contractilis
- 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
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
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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
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
- F01N1/083—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling using transversal baffles defining a tortuous path for the gases or successively throttling gas flow
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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
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
- F01N1/089—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling using two or more expansion chambers in series
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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
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/24—Silencing apparatus characterised by method of silencing by using sound-absorbing materials
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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
-
- 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
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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
- F01N13/18—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
- F01N13/1816—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 the pipe sections being joined together by flexible tubular elements only, e.g. using bellows or strip-wound pipes
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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
- F01N2450/00—Methods or apparatus for fitting, inserting or repairing different elements
- F01N2450/06—Inserting sound absorbing material into a 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
- F01N2450/00—Methods or apparatus for fitting, inserting or repairing different elements
- F01N2450/22—Methods or apparatus for fitting, inserting or repairing different elements by welding or brazing
-
- 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
- F01N2470/06—Tubes being formed by assembly of stamped or otherwise deformed sheet-metal
-
- 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
- F01N2470/18—Structure or shape of gas passages, pipes or tubes the axis of inlet or outlet tubes being other than the longitudinal axis of apparatus
-
- 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
- F01N2490/00—Structure, disposition or shape of gas-chambers
- F01N2490/08—Two or more expansion chambers in series separated by apertured walls only
Abstract
A muffler (10) is a wound muffler formed by inserting a silencing device (20) into a main body part (11) formed in a tubular shape. The silencing device (20) is provided with an expansion part (30) that is expandable in the axial direction and is provided at an exhaust outlet-side pipe (24). In a state where the expansion part (30) of the silencing device (20) is contracted, the silencing device (20) is inserted into the main body (11) and then the expansion part (30) of the silencing device (20) is expanded and as a result, a downstream end part (24b) of the outlet-side pipe (24) extends outside of the main body part (11).
Description
Technical field
The present invention relates to the manufacturing technology of rolling silencing apparatus.
Background technique
In the past, disclosed and the workpiece of tabular is wound in mould and forms the main part of tubular, and silencing apparatus, the what is called " rolling silencing apparatus " (for example, referring to following patent documentation 1) inserting silencer in the inside of this main part and formed.
Patent documentation 1: Japanese Unexamined Patent Publication 2001-323809 publication
In above-mentioned patent documentation, because the inlet side pipe arrangement and outlet side pipe arrangement making the exhaust of silencer stretches out to the outside of main part, the lid being therefore formed at the opening portion of the main part of tubular in shutoff is offered porose.In addition, the pipe arrangement of silencer is made to stretch out laterally from the hole being opened in lid.
In the prior art formed as mentioned above, the structure of rolling silencing apparatus is restricted.That is, after main part is formed as tubular, silencer longer in this radial direction compared with the diameter of the opening portion of the main part with tubular cannot be inserted main part.Therefore, being limited as in the past and after inserting silencer to the main part being formed as tubular, the opening portion of main part being added a cover, making the pipe arrangement of silencer from covering the structure of stretching out.
Summary of the invention
The present invention is in view of above-mentioned situation, after a kind of main part silencer being inserted tubular is provided, silencer can be made longer than the diameter of the opening portion of the main part of tubular, and can improve the degrees of freedom of structure, the manufacture method of rolling silencing apparatus and rolling silencing apparatus.
The problem that the present invention will solve is described above, is then described the means for solving this problem.
Namely, in technological scheme 1, a kind of inside of the main part being formed as tubular is provided to insert the manufacture method of the rolling silencing apparatus of silencer, the at least any one party of above-mentioned silencer in the inlet side pipe arrangement of exhaust and the outlet side pipe arrangement of exhaust has the pars contractilis that can stretch vertically, under the state that the above-mentioned pars contractilis of above-mentioned silencer shrinks, above-mentioned silencer is inserted the inside in aforementioned body portion, then, the above-mentioned pars contractilis of above-mentioned silencer is extended, thus the front end of the pipe arrangement possessing above-mentioned pars contractilis is stretched out to the outside of above-mentioned main part.
In technological scheme 2, a kind of rolling silencing apparatus formed by inserting silencer in the inside of the main part being formed as tubular is provided, wherein, at least any one party of above-mentioned silencer in the inlet side pipe arrangement of exhaust and the outlet side pipe arrangement of exhaust possesses the pars contractilis that can stretch vertically.
In technological scheme 3, above-mentioned pars contractilis possesses the folding part, mountain that becomes protuberance when shrinking and becomes the paddy folding part of recess when shrinking, and folding part, above-mentioned mountain and above-mentioned paddy folding part alternately configure in the circumference of pipe arrangement and direction axially.
According to the present invention, when the manufacture of rolling silencing apparatus, insert after silencer at the main part to tubular, can silencer be increased and to make it the diameter of the opening portion of the main part than tubular long, the degrees of freedom of the structure of rolling silencing apparatus can be improved.
Accompanying drawing explanation
In Fig. 1, (a) and (b) is stereogram and the plan view of the silencing apparatus representing the first mode of execution respectively.
In Fig. 2, (a) is the figure of the production process representing tubular part, and (b) represents the figure arranging the operation of contraction flow region at tubular part, and (c) is the figure representing operation telescopic pipe being assembled in silencer.
Fig. 3 is the figure representing operation silencer being inserted main part.
In Fig. 4, (a) is the figure representing the operation that the pars contractilis of silencer is extended, and (b) represents the figure installing the state of cap at main part.
In Fig. 5, (a) is the plan view of the silencing apparatus of expression second mode of execution, and (b) represents the X-X line sectional view in Fig. 5 (a).
Embodiment
Next, working of an invention mode is described.
In addition, technical scope of the present invention is not limited to following embodiment, and the item described in this specification and accompanying drawing becomes the scope entirety that the present invention relates to clearly and really want the technological thought protected.
First, be described with reference to Fig. 1 (a) and (b) Sketch to the silencing apparatus 10 of the first mode of execution as silencing apparatus of the present invention.For each parts forming silencing apparatus 10, such as, use stainless steel as main raw material.In this manual, the arrow shown in Fig. 1 (a) and (b) is used to specify the direction of silencing apparatus 10.
As shown in Fig. 1 (a) and (b), the silencing apparatus 10 of present embodiment possesses the main part 11 at fore-and-aft direction with the tubular of opening portion.End, by the workpiece of tabular is wound in not shown mould, is docked and then is engaged by crimping or welding, thus being formed as tubular by main part 11 each other.The main part 11 of present embodiment is formed as the length shorter than rear openings portion 11b (with reference to Fig. 3) of the left and right directions of its front openings portion 11a.In addition, front openings portion 11a is by front side cap 12 shutoff, and rear openings portion 11b is by rear side cap 13 shutoff.
Silencer 20 is inserted in the inside of main part 11.Silencer 20 possesses the first dividing plate 21 and the second partition 22 of the tabular offering not shown multiple holes.First dividing plate 21 and the mutual configured separate in the lateral direction of second partition 22, the first dividing plate 21 is configured in the right side of second partition 22.
The inside of the main part 11 of silencing apparatus 10 is divided into the first expansion chamber R1, the second expansion chamber R2 and the 3rd expansion chamber R3 by the first dividing plate 21 and second partition 22 successively from the upstream side (right side of silencing apparatus 10) of exhaust.
In addition, silencer 20 possesses: by exhaust from the inlet side pipe arrangement 23 imported externally to the first expansion chamber R1 of silencing apparatus 10 and the outlet side pipe arrangement 24 of being derived the outside of exhaust from the 3rd expansion chamber R3 to silencing apparatus 10.
Specifically, the upstream-side-end 23a of inlet side pipe arrangement 23 is positioned at the outside of the front side of silencing apparatus 10, and inlet side pipe arrangement 23 rearward stretches out from upstream-side-end 23a, enters in the second expansion chamber R2 via the hole portion being opened in front side cap 12.And then inlet side pipe arrangement 23 is bent about 90 degree and stretches out to the right in the second expansion chamber R2, makes end of downstream side 23b enter in the first expansion chamber R1 after through first dividing plate 21.Like this, the outside of the front side of silencing apparatus 10 is communicated with the first expansion chamber R1 by inlet side pipe arrangement 23.
In addition, the upstream-side-end 24a of outlet side pipe arrangement 24 is configured at the 3rd expansion chamber R3, and outlet side pipe arrangement 24 stretches out to the right from upstream-side-end 24a, through second partition 22 and the first dividing plate 21.And then the through right ports portion 11c (with reference to Fig. 4 (a) and (b)) being opened in silencing apparatus 10 of outlet side pipe arrangement 24, end of downstream side 24b stretches out to the outside on the right side of silencing apparatus 10.Like this, outlet side pipe arrangement 24 is by the ft connection on the right side of the 3rd expansion chamber R3 and silencing apparatus 10.
The upstream-side-end 25a of discharge tube 25 is connected at the end of downstream side 24b of outlet side pipe arrangement 24.Discharge tube 25 makes its end of downstream side 25b towards rear after being configured to bending about 90 degree.
In the silencing apparatus 10 of present embodiment, as mentioned above, be formed as following structure: via inlet side pipe arrangement 23 by exhaust importing externally to the first expansion chamber R1 from silencing apparatus 10, and then will to be vented via the hole being opened in the first dividing plate 21 and second partition 22 and to guide to the second expansion chamber R2 and the 3rd expansion chamber R3 successively, and then via outlet side pipe arrangement 24 and discharge tube 25, the outside of exhaust from the 3rd expansion chamber R3 to silencing apparatus 10 is derived.In addition, in this process, the exhaust sound from the vehicle body possessing silencing apparatus 10 is reduced.
In the silencing apparatus 10 of present embodiment, silencer 20 possesses at outlet side pipe arrangement 24 can (left and right directions) is flexible vertically pars contractilis 30.Specifically, as shown in Fig. 2 (b), at the middle part of telescopic pipe 30P, in the circumference and direction axially of pipe arrangement, alternately configuration is formed in folding part, the mountain Lu becoming protuberance when pars contractilis 30 shrinks and the paddy folding part Ld becoming recess when pars contractilis 30 shrinks, and pars contractilis 30 is formed as stretching in left-right direction thus.Telescopic pipe 30P is connected by the end of downstream side 24b as outlet side pipe arrangement 24.In addition, silencer 20 is inserted into the inside of main part 11 with the state that pars contractilis 30 shrinks, and then makes pars contractilis 30 extend.Thus, the front end that is the end of downstream side 24b that possess the outlet side pipe arrangement 24 of pars contractilis 30 stretch out to the outside of main part 11.
Next, be described with reference to each manufacturing process of Fig. 2 ~ Fig. 4 to silencing apparatus 10.First, as shown in Fig. 2 (a), as shown by arrow A bending is carried out to plate-shaped member B, end is docked and engages by welding, form tubular part P.In addition, also can omit the production process of tubular part P, general weldless tube is used as tubular part P.
Next, as shown in Fig. 2 (b), form pars contractilis 30 at tubular part P, form telescopic pipe 30P.Specifically, the forming surface being formed as the external mold Po of concave shape outside radial direction is pressed from the outer circumferential face of tubular part P as Suo Shi the arrow Fr in Fig. 2 (b) inside radial direction, the forming surface being formed as the internal mold Pi of convex form is pressed from the inner peripheral surface of tubular part P via slide member Ps as Suo Shi the arrow Fs in Fig. 2 (b) outside radial direction simultaneously outside radial direction.By vertically and circumference this pressing position mobile repeatedly carry out above-mentioned operation, thus alternately form folding part, mountain Lu and paddy folding part Ld, at the middle part formation pars contractilis 30 of tubular part P.The cylindrical portion not forming pars contractilis 30 is divided into the end 30a of outlet side pipe arrangement 24 side and the end 30b of discharge tube 25 side.In addition, in the present embodiment, pars contractilis 30 is formed as Octagon under axial visual angle, but also can be the polygon-shaped structure being converted into other.That is, the structure of pars contractilis 30 can change according to the diameter etc. of the structure of silencing apparatus 10 and tubular part P.
Next, as shown in Fig. 2 (c), telescopic pipe 30P is assembled in silencer 20.Specifically, by welding, the end 30a of telescopic pipe 30P is engaged with the downstream side of outlet side pipe arrangement 24.Thus, pars contractilis 30 is possessed at the outlet side pipe arrangement 24 of silencer 20.In addition, the end 30b of telescopic pipe 30P becomes the end of downstream side 24b of outlet side pipe arrangement 24.
Next, as shown in Figure 3, the silencer 20 possessing pars contractilis 30 is inserted main part 11.Now, the state (state of the shorten length of left and right directions) that silencer 20 shrinks with pars contractilis 30 inserts main part 11 from front openings portion 11a as shown in the arrow B in Fig. 3.In addition, structure silencer 20 being inserted main part 11 from rear openings portion 11b can be also formed as.
Next, as shown in the dotted line part W1 in Fig. 4 (a), by welding the engaged at end by the first dividing plate 21 and the anterior end of second partition 22 and the 11a side, front openings portion of main part 11.Meanwhile, by welding the engaged at end by the first dividing plate 21 and the rear end of second partition 22 and the 11b side, rear openings portion of main part 11.Thus, silencer 20 is fixed in main part 11.In addition, silencer 20 and main part 11 can also be formed through the method beyond welding, such as by structure that setting tool etc. is fixing.
And then, as shown in the arrow P in Fig. 4 (a), tensile force is applied to the end of downstream side 24b of silencer 20, pars contractilis 30 is extended.Thus, as shown in Fig. 4 (b), the front end of outlet side line 24 that is end of downstream side 24b are stretched out to the outside of main part 11 via hole portion 11c.In addition, hole portion 11c can offer in stage of workpiece of tabular before main part 11 is formed as tubular, also can offer after main part 11 is formed as tubular.
Next, as shown in Fig. 4 (b), with front side cap 12 shutoff front openings portion 11a, with rear side cap 13 shutoff rear openings portion 11b.Now, inlet side pipe arrangement 23 is inserted in the hole portion that offers in advance of cap 12, front side and through front side cap 12.Thus, upstream-side-end 23a stretches out towards the outside of the front side of silencing apparatus 10.
In addition, as shown in the dotted line part W2 in Fig. 4 (b), by welding, the end of downstream side 24b of outlet side pipe arrangement 24 is engaged with the hole portion 11c of main part 11.Thus, end of downstream side 24b is fixed in main part 11.Then, as shown in Fig. 1 (b), by welding, end of downstream side 24b is engaged with the upstream-side-end 25a of discharge tube 25, thus discharge tube 25 is installed on silencing apparatus 10.
As mentioned above, the rolling silencing apparatus of silencing apparatus 10 for being formed by inserting silencer 20 to the inside of the main part 11 being formed as tubular of present embodiment, silencer 20 possesses the pars contractilis 30 that can stretch vertically at the outlet side pipe arrangement 24 of exhaust, under the state that the pars contractilis 30 of silencer 20 shrinks, silencer 20 is inserted the inside of main part 11, then make the pars contractilis 30 of silencer 20 extend, make the end of downstream side 24b of outlet side line 24 stretch out to the outside of main part 11 thus.
As mentioned above, in the silencing apparatus 10 of present embodiment, after the main part 11 silencer 20 being inserted tubular, the pars contractilis 30 of silencer 20 is extended, thus the end of downstream side 24b of outlet side line 24 is stretched out to the outside of main part 11.Thereby, it is possible to make silencer 20 longer than the diameter (left and right directions length) of the front openings portion 11a of the main part 11 of tubular, the degrees of freedom of the structure of silencing apparatus 10 can be improved.Specifically, be not limited to the structure pipe arrangement of silencer 20 being stretched out from the hole portion being opened in front side cap 12 or rear side cap 13, pipe arrangement can be made to stretch out from the hole portion (in the present embodiment, being hole portion 11c) being opened in main part 11.In other words, the direction of silencer 20 is being inserted (in the present embodiment with relative to main part 11, for fore-and-aft direction) orthogonal direction is (in the present embodiment, for left and right directions) on, increase silencer 20, pipe arrangement (in the present embodiment, being outlet side pipe arrangement 24) can be made to stretch out.
Next, be described with reference to Fig. 5 (a) and (b) Sketch to the silencing apparatus 110 of the second mode of execution as silencing apparatus of the present invention.Below, the arrow shown in Fig. 5 (a) and (b) is used to come the direction of regulation silencing apparatus 110.
As shown in Fig. 5 (a) and (b), the silencing apparatus 110 of present embodiment possesses the main part 111 at left and right directions with the tubular of opening portion.In addition, the left side opening portion of main part 111 is by left side cap 112 shutoff, and right side opening oral area is by right side cap 113 shutoff.
Silencer 120 is inserted in inside to main part 111.Silencer 120 possesses the first dividing plate 121 and the second partition 122 of the tabular offering not shown multiple holes.Utilize the first dividing plate 121 and second partition 122 that the inside of the main part 111 in silencing apparatus 110 is divided into the first expansion chamber R1, the second expansion chamber R2 and the 3rd expansion chamber R3 successively from the upstream side (right side of silencing apparatus 110) of exhaust.
In addition, silencer 120 possesses: by the inlet side pipe arrangement 123 that externally to first expansion chamber R1 import of exhaust from silencing apparatus 110; And by outlet side pipe arrangement 124 that the outside of exhaust from the 3rd expansion chamber R3 to silencing apparatus 110 is derived.
In the silencing apparatus 110 of present embodiment, as mentioned above, be formed as following structure: via inlet side pipe arrangement 123 by exhaust importing externally to the first expansion chamber R1 from silencing apparatus 110, and then will to be vented via the hole being opened in the first dividing plate 121 and second partition 122 and to guide to the second expansion chamber R2 and the 3rd expansion chamber R3 successively, and then via outlet side pipe arrangement 124, the outside of exhaust from the 3rd expansion chamber R3 to silencing apparatus 110 is derived.In addition, in this process, the exhaust sound from the vehicle body possessing silencing apparatus 110 is reduced.
In the silencing apparatus 110 of present embodiment, silencer 120 possesses at inlet side pipe arrangement 123 can (fore-and-aft direction) is flexible vertically pars contractilis 130.Specifically, as shown in Fig. 5 (a) and (b), part crossing with the inner peripheral surface of main part 111 in inlet side pipe arrangement 123, alternately forms folding part, mountain and paddy folding part, makes pars contractilis 130 be formed as to stretch at fore-and-aft direction.In addition, the state that silencer 120 shrinks with pars contractilis 130 is inserted into the inside of main part 111 from left and right directions, then make pars contractilis 130 extend along the longitudinal direction.Thus, the front end possessing the inlet side pipe arrangement 123 of pars contractilis 130 stretches out to the outside of main part 111 via hole portion 111c.
As mentioned above, in the silencing apparatus 110 of present embodiment, equally after inserting silencer 120 to the main part 111 of tubular, the pars contractilis 130 of silencer 120 is extended and the front end of inlet side pipe arrangement 123 is stretched out to the outside of main part 111.Thus, silencer 120 can be made longer than the diameter (fore-and-aft direction length) of the opening portion of the main part 111 of tubular, the degrees of freedom of the structure of silencing apparatus 110 can be improved.Specifically, be not limited to and offer the structure of stretching out to make the pipe arrangement of silencer 120 in hole portion at left side cap 112 or right side cap 113, pipe arrangement can be made to stretch out from the hole portion (in the present embodiment, being hole portion 111c) being opened in main part 111.In other words, the direction of silencer 120 is being inserted (in the present embodiment with relative to main part 111, for left and right directions) orthogonal direction is (in the present embodiment, for fore-and-aft direction) on, increase silencer 120, pipe arrangement (in the present embodiment, being inlet side pipe arrangement 123) can be made to stretch out.
Like this, in the muffler of the present invention, the pipe arrangement that front end stretches out to the outside of main part is made by making the pars contractilis of silencer extend, can at least any one party in the outlet side pipe arrangement of the inlet side pipe arrangement of exhaust and exhaust.In addition, pars contractilis can also be set the both sides of outlet side pipe arrangement of the inlet side pipe arrangement of exhaust and exhaust, respective front end is stretched out to the outside of main part.
In addition, in the silencing apparatus 10 of the first mode of execution and the silencing apparatus 110 of the second mode of execution, the pipe arrangement (outlet side pipe arrangement 24 inlet side pipe arrangement 123) arranging pars contractilis (30130) is formed as the structure that its front end is stretched out from the hole portion (11c111c) being opened in main part (11111), but also can be formed as the structure of stretching out from the hole portion being opened in cap.
Wherein, description of reference numerals is as follows:
10: silencing apparatus; 11: main part; 20: silencer; 24: outlet side pipe arrangement; 24b: end of downstream side; 30: pars contractilis.
Utilizability in industry
According to the present invention, owing to can insert after silencer at the main part to tubular, increasing silencer, to make it the diameter of the opening portion of the main part than tubular longer, therefore industrially useful.
Claims (3)
1. a manufacture method for rolling silencing apparatus, is the manufacture method of the rolling silencing apparatus inserting silencer in the inside of the main part being formed as tubular, it is characterized in that,
At least any one party of described silencer in the inlet side pipe arrangement of exhaust and the outlet side pipe arrangement of exhaust has the pars contractilis that can stretch vertically,
Under the state that the described pars contractilis of described silencer shrinks, described silencer is inserted the inside of described main part,
Then, the described pars contractilis of described silencer is extended, thus the front end of the pipe arrangement possessing described pars contractilis is stretched out to the outside of described main part.
2. a rolling silencing apparatus, this rolling silencing apparatus is formed by inserting silencer in the inside of the main part being formed as tubular, it is characterized in that,
At least any one party of described silencer in the inlet side pipe arrangement of exhaust and the outlet side pipe arrangement of exhaust possesses the pars contractilis that can stretch vertically.
3. rolling silencing apparatus according to claim 2, is characterized in that,
Described pars contractilis possesses the folding part, mountain becoming protuberance when shrinking and the paddy folding part becoming recess when shrinking,
Folding part, described mountain and described paddy folding part alternately configure in the circumference of pipe arrangement and direction axially.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-192209 | 2013-09-17 | ||
| JP2013192209A JP5929858B2 (en) | 2013-09-17 | 2013-09-17 | Method for manufacturing a wound muffler |
| PCT/JP2014/069857 WO2015040955A1 (en) | 2013-09-17 | 2014-07-28 | Wound muffler manufacturing method and wound muffler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105518269A true CN105518269A (en) | 2016-04-20 |
Family
ID=52688613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480046947.4A Pending CN105518269A (en) | 2013-09-17 | 2014-07-28 | Wound muffler manufacturing method and wound muffler |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20160208672A1 (en) |
| JP (1) | JP5929858B2 (en) |
| CN (1) | CN105518269A (en) |
| DE (1) | DE112014004245T5 (en) |
| WO (1) | WO2015040955A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MX2020013414A (en) * | 2018-10-12 | 2021-02-26 | Crefact Co Ltd | Glass fiber filling method for silencer and glass fiber filling device. |
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| JPS57121719U (en) * | 1981-01-24 | 1982-07-29 | ||
| JPS6158615U (en) * | 1984-09-21 | 1986-04-19 | ||
| JPH06117243A (en) * | 1992-06-17 | 1994-04-26 | Sango Co Ltd | Expansion joint of exhaust system |
| CN2474731Y (en) * | 2001-03-13 | 2002-01-30 | 史晓辉 | Corrugated pipe suction resistance sound eliminator |
| CN1924315A (en) * | 2005-09-02 | 2007-03-07 | 康奈可关精株式会社 | Muffler |
| CN201236733Y (en) * | 2008-04-19 | 2009-05-13 | 奇瑞汽车股份有限公司 | Exhausting silencer |
| CN201284682Y (en) * | 2008-10-17 | 2009-08-05 | 奇瑞汽车股份有限公司 | Silencer structure |
| JP2011058412A (en) * | 2009-09-09 | 2011-03-24 | Toyota Motor Corp | Air flow passage radiation sound reducing structure |
| CN102146825A (en) * | 2010-02-05 | 2011-08-10 | J·埃贝斯佩歇合资公司 | Silencer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29901957U1 (en) * | 1999-02-05 | 1999-04-22 | Witzenmann Metallschlauchfab | Pipe element for exhaust pipes of motor vehicles |
| DE102005026376C5 (en) * | 2005-06-08 | 2019-05-02 | Faurecia Emissions Control Technologies, Germany Gmbh | vehicle exhaust |
| JP4853557B2 (en) * | 2009-08-21 | 2012-01-11 | トヨタ自動車株式会社 | Radiated sound reduction structure |
| US8485311B2 (en) * | 2011-03-04 | 2013-07-16 | GM Global Technology Operations LLC | Air duct assembly for engine |
| US8479879B2 (en) * | 2011-06-13 | 2013-07-09 | King Fahd University Of Petroleum And Minerals | Expandable chamber acoustic silencer |
| US8672090B1 (en) * | 2012-09-30 | 2014-03-18 | Favrecia Emissions Control Technologies | Exhaust component with vibration isolated pipe |
-
2013
- 2013-09-17 JP JP2013192209A patent/JP5929858B2/en not_active Expired - Fee Related
-
2014
- 2014-07-28 WO PCT/JP2014/069857 patent/WO2015040955A1/en active Application Filing
- 2014-07-28 DE DE112014004245.5T patent/DE112014004245T5/en not_active Withdrawn
- 2014-07-28 CN CN201480046947.4A patent/CN105518269A/en active Pending
- 2014-07-28 US US15/022,760 patent/US20160208672A1/en not_active Abandoned
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57121719U (en) * | 1981-01-24 | 1982-07-29 | ||
| JPS6158615U (en) * | 1984-09-21 | 1986-04-19 | ||
| JPH06117243A (en) * | 1992-06-17 | 1994-04-26 | Sango Co Ltd | Expansion joint of exhaust system |
| CN2474731Y (en) * | 2001-03-13 | 2002-01-30 | 史晓辉 | Corrugated pipe suction resistance sound eliminator |
| CN1924315A (en) * | 2005-09-02 | 2007-03-07 | 康奈可关精株式会社 | Muffler |
| CN201236733Y (en) * | 2008-04-19 | 2009-05-13 | 奇瑞汽车股份有限公司 | Exhausting silencer |
| CN201284682Y (en) * | 2008-10-17 | 2009-08-05 | 奇瑞汽车股份有限公司 | Silencer structure |
| JP2011058412A (en) * | 2009-09-09 | 2011-03-24 | Toyota Motor Corp | Air flow passage radiation sound reducing structure |
| CN102146825A (en) * | 2010-02-05 | 2011-08-10 | J·埃贝斯佩歇合资公司 | Silencer |
| JP2011163342A (en) * | 2010-02-05 | 2011-08-25 | J Eberspecher Gmbh & Co Kg | Muffler |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5929858B2 (en) | 2016-06-08 |
| US20160208672A1 (en) | 2016-07-21 |
| DE112014004245T5 (en) | 2016-06-09 |
| JP2015059448A (en) | 2015-03-30 |
| WO2015040955A1 (en) | 2015-03-26 |
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