CN105026719B - The arrangement method and method for supporting of inlet tube - Google Patents

Abstract

A kind of arrangement method is the arrangement method that inlet tube is arranged in muffler, wherein, the muffler possesses：Shell, the inlet tube and partition plate, the arrangement method include：The inlet tube is inserted into the enclosure by first step from side's opening in the both ends of the shell；Second step makes the inlet tube mobile to the direction that the direction of insertion with the inlet tube is substantially kept straight in the enclosure and is arranged；And third step, the partition plate from the opposing party of the shell is open and is inserted into the enclosure and is arranged.

Description

The arrangement method and method for supporting of inlet tube

Cross reference to related applications

This international application requires the Japanese invention patent application 2013- submitted in Japan Office on January 11st, 2013 The priority of No. 003707, the full content of the Japanese invention patent application are incorporated by reference into herein.

Technical field

The present invention relates to the arrangement methods and method for supporting of the inlet tube in Silenser for vehicles.

Background technology

In the car, it is provided with to reduce or eliminate the muffler of the exhaust sound of the exhaust from internal combustion engine (for example, ginseng According to Fig. 6 A of Patent Documents 1 to 3 and the application, 6B).

This muffler possesses：The shell of tubular with flat cross section closes the opening at the shell both ends End plate, for importing the inlet tube of exhaust to the inside of shell, distinguish for the inside to shell to form multiple noise reductions The partition plate of room and for making the outlet that exhaust is discharged from the interior of shell.

Muffler described in patent document 1, be by the long axis direction of shell along vehicle it is in the front-back direction in a manner of and The so-called longitudinal type muffler being arranged, the long axis direction of inlet tube along the shell of linear set up configuration on end plate and partition plate (Fig. 1 referring to patent document 1).

On the other hand, the horizontal arrangement type as patent document 2,3 is developed due to the limitation of the installation space of muffler Muffler.This muffler is in a manner that the long axis direction of shell is along the width of vehicle (in other words, with the short axle of shell In the front-back direction mode of the direction along vehicle) and be arranged.Therefore, it is however generally that, inlet tube is inserted into from the short-axis direction of shell The shell (Fig. 1 with reference to patent document 2,2 and patent document 3 Fig. 1).

Fig. 6 A are the overall diagrams for the setting example for representing muffler (such as horizontal arrangement type muffler), and Fig. 6 B are the settings of muffler Partial enlarged drawing.Vehicle shown in Fig. 6 A, 6B is the vehicle of so-called car-shaped, and in the vehicle of the type, muffler is general It is disposed in the lower section of the luggage space of rear view of vehicle.In general, internal combustion engine is disposed in the front area of vehicle, therefore inlet tube Along the short-axis direction of muffler and it is prominent to the front of vehicle.

Prior art literature

Patent document

Patent document 1：Japanese Unexamined Patent Publication 2008-274767 publications

Patent document 2：Japanese Unexamined Patent Publication 2008-31888 publications

Patent document 3：Japanese Unexamined Patent Publication 2010-138807 publications

The content of the invention

Problems to be solved by the invention

In the longitudinal type muffler of patent document 1, in its structure, the inlet tube of linear can be erected at end plate It is above supported with partition plate both sides, is easy to ensure sufficient rigidity of support.

On the other hand, in the horizontal arrangement type muffler of patent document 2,3, as described above, inlet tube is from the short axle side of shell To and protrude outward.In this case, when premised on the inlet tube for using linear, in the inside of shell, due to entering Mouth pipe is parallel with partition plate, therefore inlet tube cannot be erected on partition plate, and inlet tube only can be in the insertion portion compared with shell Divide and be supported.At this point, rigidity of support reduction can be worried.Wherein, in patent document 2,3, using curved in generally L-shaped Inlet tube, and make inlet tube insert shell and partition plate.

But in this case, in shell in the inserting hole and partition plate of inlet tube the inserting hole of inlet tube not in straight line On, if being inserted into inlet tube afterwards, it can not be installed or substantially be difficult to install.

Moreover, in recent years, as shown in Fig. 6 A, 6B, the limitation of the installation space of muffler becomes more stringent, inlet tube phase It may also be restricted for the installation of shell.If for example, to ensure more spacious luggage space, luggage may be made empty Between lower section space narrow.The installation space of muffler is restricted as a result, also restrained so as to the shape of shell, entrance Pipe also has the tendency of becoming difficult compared with the installation of shell.

On so-called horizontal arrangement type muffler, it is desirable to provide side a kind of easier and being more effectively arranged and support inlet tube Method.

The technical solution solved the problems, such as

One aspect of the invention is a kind of arrangement method that inlet tube is arranged in muffler, wherein, it is described Muffler possesses：The shell of the tubular of both ends open, for enclosure import exhaust generally L-shaped inlet tube, with And the partition plate for distinguishing to be formed multiple anechoic chambers to enclosure, the arrangement method are characterized in that, including：The By inlet tube from side's opening in the both ends of shell, enclosure is inserted into along the direction being open towards the opposing party for one step； Second step to make the opening that the insert of one end of inlet tube is set in side wall of outer shell, makes the inlet tube inside the housing to entering The direction that the direction of insertion of mouth pipe is substantially kept straight on is mobile and is arranged；And third step, the other end to make inlet tube are inserted Lead to the opening set in partition plate, which from the opposing party in the both ends of shell is open and is inserted into enclosure and is arranged.

According to such one aspect of the present invention, so that the opening that one end insert of inlet tube is set in side wall of outer shell Partition plate after being positioned to the inlet tube, is inserted into enclosure by mode, is inserted the other end of inlet tube and is set in the partition plate Opening, thus, it is possible in shell and partition plate, this is supported inlet tube at 2.Therefore, it is possible to substantially ensure the branch of inlet tube Support rigidity.

In addition, be arranged at the opening of side wall of outer shell with being arranged at the opening of partition plate not point-blank, then it afterwards can nothing Method is inserted into inlet tube or substantially is difficult to be inserted into, however in one aspect of the invention, one end of inlet tube is made to insert in shell After the opening that side wall is set, partition plate is inserted into enclosure, so that the opening of the other end insert partition plate of inlet tube, so can Simplicity is simultaneously effectively arranged and is supported to inlet tube.Thereby, it is possible to not cause man-hour increase and quality decline, and it is right Muffler is manufactured.

In addition, in the first step, inlet tube can be made relatively to be moved with shell, by inlet tube configuration outside Inside shell.In the second step, inlet tube can be made relatively to be moved with shell, required by inlet tube is disposed in Position.In one example, inlet tube can not be moved but mobile shell, can also be moved inlet tube and shell both sides.

In third step, the part for including inlet tube and shell can be made relatively to be moved with partition plate, it will The opening that the other end insert of inlet tube is set in partition plate.In one example, can not mobile dividing plate but movement include inlet tube And the part of shell, can also be moved the part and partition plate both sides.

In one aspect of the invention, first step can also include：Inlet tube is fixed on and is used to support inlet tube Gauge on step and by be fixed with inlet tube gauge be inserted into enclosure the step of.Second step can also include： The step of making the gauge for being fixed with inlet tube mobile and inlet tube is arranged.

In this way, if inlet tube is arranged using gauge, inlet tube can more easily be arranged.Specifically, The action (movement) of gauge is controlled, inlet tube can be installed by the control of gauge shorter time.

In addition, in the first step, the gauge for being fixed with inlet tube can be made relatively to be moved with shell, will be entered The configuration of mouth pipe is inside the housing.In the second step, the gauge for being fixed with inlet tube can be made relatively to be moved with shell, Inlet tube to be disposed in required position.In one example, gauge can not be moved but mobile shell, gauge can also be made Both sides are moved with shell.

In one aspect of the invention, third step can also include：It is open from the opposing party of shell and is inserted into cylindrical shape Guide member, so as to the step of circular guide member engages with the other end of inlet tube and insert guide member The opening of partition plate and by partition plate along guide member be inserted into enclosure the step of.

Thereby, it is possible to easier by guide member and partition plate is more effectively disposed in required position.It is specific and Speech as long as carrying out mobile dividing plate in a manner of maintaining the state of the opening of guide member insert partition plate, just can be moved to partition plate Make the position of the opening of the other end insert partition plate of inlet tube.

In third step, the part for including shell and inlet tube can be made relatively to be moved with guide member, So that guide member engages with the other end of inlet tube.In one example, guide member can not be moved but movement include shell And the part of inlet tube, can also be moved the part and guide member both sides.

Furthermore, it is possible to the part for including shell, inlet tube and guide member and partition plate is made relatively to be moved, it will Partition plate is disposed in required position.In one example, can not mobile dividing plate but the mobile part, can also make the part and Partition plate both sides are moved.

In one aspect of the invention, first step can also include：Inlet tube the other end towards the another of shell In the state of one side's opening, inlet tube is inserted into enclosure, until the opening face of one end and side wall of outer shell of inlet tube Step.In this way the step of, first, positions inlet tube on the direction being inserted into inlet tube to shell, later stage process It can become simpler.Specifically, if the opening face of one end of inlet tube and side wall of outer shell, afterwards to insert its one end The opening of logical side wall of outer shell, moves inlet tube linear, very easy.

In the first step, inlet tube can be made relatively to be moved with shell.In one example, entrance can not be moved Pipe but mobile shell, can also be moved inlet tube and shell both sides.

In one aspect of the invention, second step can also include：In opening for one end of inlet tube and side wall of outer shell In the state of mouthful face, in a manner of making one end of inlet tube towards opening, the step that moves inlet tube linear.

As a result, as described above, the mobile simplicity of inlet tube can be made, and inlet tube can be easily installed.

In the second step, inlet tube can be made relatively to be moved with shell.In one example, entrance can not be moved Pipe but mobile shell, can also be moved inlet tube and shell both sides.

One aspect of the invention is a kind of method for supporting of the inlet tube in muffler, wherein, the noise reduction utensil It is standby：The shell of the tubular of both ends open, for enclosure import exhaust generally L-shaped inlet tube and for pair Enclosure distinguishes to form the partition plate of multiple anechoic chambers, and the method for supporting is characterized in that, inlet tube is matched somebody with somebody and is set to, One end of inlet tube is made to insert the opening set in side wall of outer shell, by partition plate with being set to, make inlet tube the other end insert every The opening that plate is set, by shell and partition plate, is supported the both ends of inlet tube.

According to such one aspect of the present invention, the opening of side wall of outer shell can be arranged at and be arranged at opening for partition plate Mouthful this at 2, inlet tube is supported, can substantially ensure the rigidity of support of inlet tube.

Description of the drawings

Fig. 1 is the skeleton diagram for applying the muffler of the present invention.

Fig. 2A is the IIA-IIA sectional views in Fig. 1；Fig. 2 B are the B directions views of Fig. 2A.

Fig. 3 A-3G are the definition graphs for the arrangement method for illustrating inlet tube.

Fig. 4 is to illustrate definition graph of the inlet tube compared with the fixing means of gauge.

Fig. 5 A-5E are the definition graphs for the arrangement method for illustrating the 2nd embodiment.

Fig. 6 A-6B are the figures for the setting example for representing muffler.

The explanation of reference numeral

10 ... mufflers；11 ... shells, 12,13 ... end plates；14th, 15,16 ... partition plate；17 ... inlet tubes；18 ... inner tubes； 19 ... outlets；20a ... is managed；20b ... sound-absorbing covers；21 ... mineral wools；22 ... valve modules；30 ... gauges；31 ... positioning pins；32… Folder；32a ... leading end portions；40 ... guide members；50 ... stents；51 ... location holes；52 ... bottoms；R1, R2, R3, R4 ... anechoic chamber

Specific embodiment

[the 1st embodiment]

Shown in Fig. 1 muffler 10 composition make the exhaust from the internal combustion engine (illustration omitted) being equipped in vehicle to this A part for the exhaust system of outside vehicle discharge has the function of to reduce exhaust sound.

Muffler 10 possesses：Shell 11, end plate 12,13, partition plate 14,15,16, inlet tube 17, inner tube 18, outlet 19, And valve module 22.

Shell 11 is the component for forming 10 main body of muffler, is formed as the tubular with flat cross section (with reference to Fig. 2A).Outside The both ends open of itself of shell 11.

End plate 12,13 is the component closed to the opening at the both ends of shell 11.It is formed with to make on end plate 13 The opening that outlet 19 is inserted.

Partition plate 14,15,16 is for the inner space of shell 11 to be divided into multiple spaces (hereinafter referred to as anechoic chamber) Plate.In the 1st embodiment, by partition plate 14,15,16, by the inner space of shell 11 be divided into 4 anechoic chamber R1, R2, R3、R4.In partition plate 14,15,16, valve module 22 is installed in partition plate 14.It will will be described later for valve module 22.

In partition plate 14,15,16, multiple hole 15a are formed on partition plate 15 (with reference to Fig. 2A).Therefore, via inlet tube 17 The exhaust of anechoic chamber R2, R3 are flowed into, can be flowed via the hole 15a of partition plate 15 in anechoic chamber R2, R3.

Inlet tube 17 is for the exhaust from vehicle internal combustion engine to be made to flow into the pipe inside shell 11.In the 1st embodiment party In formula, inlet tube 17 forms generally L-shaped, and both ends are all open.In the both ends of inlet tube 17 to the outside of shell 11 it is prominent one End 17a is connected with forming the exhaust pipe (illustration omitted) of exhaust system.

The other end 17b of inlet tube 17 is connected with the inside of shell 11.Specifically, the other end 17b of inlet tube 17 leads to It crosses partition plate 15 and is supported, while connected with anechoic chamber R2.Multiple hole 17c are provided on the tube wall of inlet tube 17, are vented Inside from hole 17c to shell 11 that can be from is diffused (specifically in anechoic chamber R3).

In the 1st embodiment, in inlet tube 17 by being installed by welding with aftermentioned stent 50 (with reference to Fig. 4), but The diagram to stent 50 is omitted in Fig. 1.

Inner tube 18 is for making the pipe spread via the exhaust that inlet tube 17 is flowed into inside shell 11 to multiple anechoic chambers.It is interior The both ends open of pipe 18, one end 18a of inner tube 18 are connected with anechoic chamber R2, and the other end 18b of inner tube 18 is connected with anechoic chamber R1. Inner tube 18 is inserted to be supported in the opening that partition plate 16 is formed on the partition plate 16.

Outlet 19 is for making to flow into the external pipe discharged of the exhaust inside shell 11 to shell 11 from internal combustion engine.Go out One end 19a of mouthful pipe 19 connect with anechoic chamber R4, the other end 19b of outlet 19 insert the formation of end plate 13 opening and with it is outer The external connection of shell 11.

Outlet 19 possesses pipe 20a and sound-absorbing cover 20b.Multiple hole 20c are formed on pipe 20a.In sound-absorbing cover 20b Portion is provided with the mineral wool 21 as sound-absorbing material.

Valve module 22 is the valve being opened and closed according to the pressure of the inside of shell 11.Valve module 22 is in the rotating speed of internal combustion engine The pressure of low, shell 11 inside is closed in the case of being less than specified value.In this case, be vented not via with outlet 19 One end 19a connection anechoic chamber R4 and discharge.On the other hand, if the rotating speed of internal combustion engine promoted, the pressure of the inside of shell 11 During as more than specified value, valve module 22 is opened.In this case, exhaust can disappear to what one end 19a with outlet 19 was connected Tone chamber R4 flows, and is discharged via anechoic chamber R4.

For the arranging state of inlet tube 17, it is further illustrated with reference to Fig. 2A, 2B.

As shown in Figure 2 A, shell 11 has flat cross section.Wherein, the curvature of bending section is not at 2 in flat cross section Identical, the curvature of the one side of inlet tube 17 to be arranged is relatively large, and the curvature of the one side of outlet to be arranged is relatively small.

Inlet tube 17 is disposed of, and is made one end 17a from the curved part insert in flat cross section, and is disposed of phase It is tilted for shell 11.Moreover, inlet tube 17 is welded in shell 11 by sticking patch 23, which is for ensuring that welding The component of required thickness.As shown in Figure 2 B, sticking patch 23 is arranged in a manner of one end 17a for surrounding inlet tube 17.

Next, for the arrangement method of inlet tube 17, illustrated with reference to Fig. 3 A~3G.In Fig. 3 A~3G, omit To the diagram of inner tube 18 and outlet 19.

It is illustrated with reference to Fig. 3 A.The inlet tube 17 for the generally L-shaped purchased is fixed on and is used to support the inlet tube 17 Gauge 30 on.It is equipped with for inlet tube 17 to be fixed on the stent 50 of gauge 30 in advance by welding on inlet tube 17.

For inlet tube 17 compared with the localization method and fixing means of gauge 30, it is described in detail with reference to Fig. 4.

In the 1st embodiment, 2 positioning pins 31 are provided on gauge 30.On stent 50, with 31 phase of positioning pin Accordingly, location hole 51 is formed at 2.

Also, positioning pin 31 inserts the location hole 51 of stent 50, and inlet tube 17 is positioned thus relative to gauge 30.

In the folder 32 that gauge 30 is provided with to clamp on stent 50.Folder 32 is configured to opening and closing freely, compared with gauge 30 pairs of inlet tubes 17 are opened when positioning, and can make stent 50 close to gauge 30.

When positioning pin 31 inserts location hole 51, folder 32 is closed, and the bottom of stent 51 can be abutted by pressing from both sides 32 leading end portion 32a 52.Stent 50 and inlet tube 17 is fixed compared with gauge 30 as a result,.In one example, folder 32 is controlled by cylinder Opening and closing.

Back to Fig. 3 A, the gauge 30 of inlet tube 17 will be fixed with from a side opening 11a of shell 11, be inserted into the shell 11 Inside.In the case, (it is used to make inlet tube towards the opening 11c set on shell 11 in one end 17a of inlet tube 17 17 insert opening 11c) side, inlet tube 17 other end 17b towards shell 11 the opposing party be open 11b, in such state Under, moved gauge 30.

Finally, it is moved to inlet tube 17 by gauge 30：Make one end 17a of inlet tube 17 and the opening 11c of shell 11 The position of face.In the process of Fig. 3 A, positioning of the inlet tube 17 on the long axis direction of shell 11 is carried out.

Next, as shown in Figure 3B, by gauge 30 inlet tube 17 is made to be relatively parallel mobile (in other words, linear It is mobile) so that the opening 11c of one end 17a insert shells 11 of inlet tube 17.At this point, short-axis direction of the gauge 30 in shell 11 On move in parallel.In the process of Fig. 3 B, positioning of the inlet tube 17 on the short-axis direction of shell 11 is carried out.

Next, as shown in Figure 3 C, maintain state inlet tube 17 being fixed on gauge 30, from the opening of shell 11 11b is inserted into columnar guide member 40.The guide member 40 is inserted into until engaging with the other end 17b of inlet tube 17.Guiding Component 40 engages with the inside diameter of inlet tube 17.Guide member 40 can also be configured to engage with the outer diameter part of inlet tube 17.

Next, as shown in Figure 3D, from the opening 11b of shell 11, partition plate 15 is made to be inserted into shell 11 along guide member 40 Inside.On partition plate 15, the opening 15b for inserting inlet tube 17 is formed with.Also, the opening 15b for making partition plate 15 is embedding The other end 17b of inlet tube 17 is placed in, so as to carry out the positioning of inlet tube 17.

Then, as shown in FIGURE 3 E, partition plate 15 is finally inserted into the inside of shell 11：Make the other end of inlet tube 17 The position for the opening 15b that 17b inserts are formed on the partition plate 15.

Next, as illustrated in Figure 3 F, gauge 30 and guide member 40 are removed from inlet tube 17, and take the outer of shell 11 Portion.

Afterwards, as shown in Figure 3 G, partition plate 14,16 is disposed in the inside of shell 11.Though it is omitted in Fig. 3 A~3G pair The diagram of 19 grade of inner tube 18 and outlet, but inner tube 18 and outlet 19 etc. can also be matched somebody with somebody after the arranging of inlet tube 17 It if can also be by end plate 12,13 come opening 11a, 11b of closure 11.

According to such 1st embodiment, can by the opening 15b of the opening 11c of shell 11 and partition plate 15 this 2 Place, is supported inlet tube 17, it can be ensured that the rigidity of support of inlet tube 17.

In addition, in order to as described above by being supported to inlet tube 17 at 2, and inlet tube 17 is made to be in generally L-shaped Bending, therefore can not or substantially be difficult to inlet tube 17 being inserted into 15 both sides of shell 11 and partition plate afterwards.On the other hand, the 1st In embodiment, employ makes one end 17a of inlet tube 17 insert the opening 11c of shell 11 and be positioned first, afterwards, will Partition plate 15 is inserted into the inside of shell 11, then makes the method for the opening 15b of the other end 17b insert partition plates 15 of inlet tube 17.

Therefore, the installation of inlet tube 17 is not only conscientiously but also easy.Height just can be easily manufactured so as to which man-hour not caused to increase The muffler of quality.

[variation of the 1st embodiment]

In above-mentioned 1st embodiment, it is contemplated that make to be fixed with the gauge 30 of inlet tube 17, guide member 40 and partition plate 14th, 15,16 moved compared with shell 11.In other words, it is contemplated that the position of shell 11 is fixed.

On the other hand, can not also fixing shell 11 position, moved shell 11, and to inlet tube 17 and partition plate 14th, 15,16 it is arranged.In this case, each component can be moved relatively, can also be moved only shell 11 Dynamic, each that can also make each component is moved.

In figure 3 a, it can also be moved shell 11, the gauge 30 for being fixed with inlet tube 17 is disposed in shell 11 inside.

Next, it in figure 3b, can be moved shell 11, so that one end 17a insert shells 11 of inlet tube 17 Opening 11c.

Next, in fig. 3 c, inlet tube 17, gauge 30 and shell 11 can be moved, so that guide member 40 is with entering The other end 17b of mouth pipe 17 fastens.In this case, being fixed with the gauge 30 of inlet tube 17 and the mobile same period of shell 11 is (same Step).Specifically, make amount of movement, translational speed identical.

Next, in Fig. 3 D, Fig. 3 E, inlet tube 17, gauge 30, guide member 40 and shell 11 can be moved, with Partition plate 15 is disposed in the inside of shell 11 along guide member 40.

It next, in Fig. 3 F, can be moved shell 11, to remove gauge 30 and guide member from inlet tube 17 40.It in this case, in one example, can be in a state that gauge 30 be fixed in defined manner, by mobile including outer The other component of shell 11 and gauge 30 is removed.Further, it is also possible in defined manner by 40 fixed state of guide member Under, guide member 40 is removed by the mobile other component for including shell 11.

Afterwards, in Fig. 3 G, partition plate 14,16 with mobile shell 11, can be disposed in the inside of shell 11.It is specific and Speech partition plate 14,16 can be arranged by mobile shell 11 in the state of position as defined in partition plate 14,16 is fixed on In the inside of shell 11.

[the 2nd embodiment]

Next, the 2nd embodiment of the present invention is illustrated with reference to Fig. 5 A-5E.

2nd embodiment is different from the 1st embodiment without using guide member 40 on this point.

Specifically, in the 2nd embodiment, inlet tube 17 is positioned and is fixed compared with gauge 30, by this Gauge 30 is inserted into the inside (Fig. 5 A) of shell 11, afterwards, gauge 30 is made to be moved in parallel (Fig. 5 B), so that the one of inlet tube 17 The opening 11c of 17a insert shells 11 is held, it is identical with the 1st embodiment in this.

Next, in the 2nd embodiment, as shown in Figure 5 C, guide member 40 is not inserted into, but opening from shell 11 Partition plate 15 is inserted into the inside of shell 11 by mouth 11b, and the other end 17b of inlet tube 17 is made to insert the opening 15b of partition plate 15.

Afterwards, as shown in Figure 5 D, gauge 30 from inlet tube 17 is removed and takes the outside of shell 11.

Then, partition plate 14,16 (Fig. 5 E) is arranged in the inside of shell 11, although illustration omitted, in the inside of shell 11 Also inner tube 18 and outlet 19 etc. are arranged.

The 2nd embodiment in this way only about without using 40 this point of guide member, just can cut down component Number, and installation procedure can be cut down.

[variation of the 2nd embodiment]

In above-mentioned 2nd embodiment, it is contemplated that make the gauge 30 for being fixed with inlet tube 17 and partition plate 14,15,16 opposite It is moved in shell 11.In other words, it is contemplated that the position of shell 11 is fixed.

On the other hand, can not also fixing shell 11 position, but move shell 11, with to inlet tube 17 and partition plate 14th, 15,16 it is arranged.

In such a case it is possible to which each component is made relatively to be moved, it can also be moved only shell 11, it can be with Each for making each component is moved.

In fig. 5, it can be moved shell 11, the gauge 30 for being fixed with inlet tube 17 is disposed in shell 11 Inside.

In figure 5B, it can be moved shell 11, so that the opening of one end 17a insert shells 11 of inlet tube 17 11c。

In figure 5 c, it can be moved shell 11 and inlet tube 17, to match somebody with somebody partition plate 15 from the opening 11b of shell 11 It is located at the inside of shell 11.

In figure 5d, it can be moved shell 11, to remove gauge 30 from inlet tube 17.

More than, it is illustrated for an embodiment of the invention, but the present invention is not limited to the above embodiment, It can adopt within the technical scope of the present invention in various manners.

For example, in the above-described embodiment, illustrate to be equipped with stent 50 on inlet tube 17, via the stent 50 make into The example that mouth pipe 17 is positioned and is fixed compared with gauge 30.On the other hand, it is fixed to be formed on inlet tube 17 itself It hole and waits to be pressed from both sides 32 parts clamped in position.Further, it is also possible to it is by a part of dual-purpose of the hole 17c formed on inlet tube 17 Location hole.

In addition, it in the above-described embodiment, illustrates to be provided with 4 folders 32, but the quantity of folder 32 is not limited to 4.

In addition, the arrangement method on inlet tube 17, in the above-described embodiment, to being illustrated in the following example, i.e. will Inlet tube 17 is inserted into the inside of shell 11 so that the opening 11c faces of one end 17a of inlet tube 17 and shell 11, afterwards, make into Mouth pipe 17 moves linearly, so that the opening 11c of one end 17a insert shells 11 of inlet tube 17.On the other hand, inlet tube is being arranged When 17, such method is not limited to.

For example, it is also possible to rotate inlet tube 17, be carried out at the same time movement so that one end 17a of inlet tube 17 finally with outside The opening 11c faces of shell 11.Particularly in the case of opening 11c and 11 bias of shell (such as with reference to figure 2A), it may be considered that Using such method.

Claims (6)

1. a kind of arrangement method is the arrangement method that inlet tube is arranged in muffler, wherein, the noise reduction utensil It is standby：The shell of the tubular of both ends open, the inlet tube from the generally L-shaped of exhaust to enclosure, Yi Jiyong for importing In the partition plate for distinguishing to be formed multiple anechoic chambers to enclosure, the arrangement method is characterized in that, including：

First step by the inlet tube from side's opening in the both ends of the shell, is open along towards the opposing party Direction be inserted into the enclosure；

Second step to make the opening that the insert of one end of the inlet tube is set in the side wall of outer shell, makes the inlet tube exist The enclosure is mobile to the direction that the direction of insertion with the inlet tube is substantially kept straight on and is arranged；And

Third step, to make the opening that the insert of the other end of the inlet tube is set in the partition plate, by the partition plate from described The opposing party in the both ends of shell, which is open, to be inserted into the enclosure and is arranged.

2. arrangement method according to claim 1, which is characterized in that

The first step includes：The inlet tube is fixed on the step that is used to support on the gauge of the inlet tube and The step of gauge for being fixed with the inlet tube is inserted into the enclosure,

The second step includes：Make the gauge for being fixed with the inlet tube mobile and the inlet tube is arranged Step.

3. arrangement method according to claim 1 or 2, which is characterized in that

The third step includes：It is open from described the opposing party of the shell and is inserted into columnar guide member, so that cylinder The step of guide member of shape engages with the other end of the inlet tube and make described in the guide member inserts The opening of partition plate and by the partition plate along the guide member be inserted into the enclosure the step of.

4. arrangement method according to claim 1 or 2, it is characterised in that：

The first step includes：In the shape that described the opposing party of the other end towards the shell of the inlet tube is open Under state, the inlet tube is inserted into the enclosure, until described one end of the inlet tube and the institute of the side wall of outer shell The step of stating opening face.

5. arrangement method according to claim 4, which is characterized in that

The second step includes：In described one end of the inlet tube and the state of the opening face of the side wall of outer shell Under, in a manner of making described one end of the inlet tube towards the opening, make the step of the inlet tube linear movement.

6. a kind of arrangement method is the arrangement method that inlet tube is arranged in muffler, wherein, the noise reduction utensil It is standby：The shell of the tubular of both ends open, the inlet tube from the generally L-shaped of exhaust to enclosure, Yi Jiyong for importing In the partition plate for distinguishing to be formed multiple anechoic chambers to enclosure, the arrangement method is characterized in that, including：

First step makes the inlet tube relatively be moved with the shell, by the inlet tube from the shell Side's opening in the both ends is inserted into the enclosure along the direction being open towards the opposing party；

Second step, the direction substantially kept straight on along the direction of insertion with the inlet tube, makes the inlet tube and the shell It is relatively moved, so that the opening that one end insert of the inlet tube is set in the side wall of outer shell；And

Third step makes the inlet tube, the shell and the partition plate relatively be moved, by the partition plate from The opposing party's opening in the both ends of the shell is disposed in the enclosure, and inserts the other end of the inlet tube In the opening that the partition plate is set.