CN207879423U

CN207879423U - Steel wool fills silencer

Info

Publication number: CN207879423U
Application number: CN201820121833.7U
Authority: CN
Inventors: 刘钦俊; 李武; 李陆斌; 王奥频
Original assignee: ZHEJIANG ZOUTS MACHINERY Co Ltd
Current assignee: ZHEJIANG ZOUTS MACHINERY Co Ltd
Priority date: 2018-01-24
Filing date: 2018-01-24
Publication date: 2018-09-18
Anticipated expiration: 2028-01-24

Abstract

A kind of steel wool filling silencer, including cylinder, partition board one and partition board two are axially arranged at intervals in cylinder, two partition boards separate the cylinder into volume and first become smaller three anechoic chambers to become larger again, exhaust pipe stretches into anechoic chamber one, inner tube one is provided on partition board one and partition board two, inner tube one is connected to anechoic chamber one and anechoic chamber three；Inner tube two is connected to anechoic chamber two and anechoic chamber three, three one end of inner tube are connected to anechoic chamber two；Net cylinder is equipped in the anechoic chamber one, net cylinder front support has lining ring, rear end to be supported on partition board one, and steel wool is filled between net cylinder and cylinder.The utility model provides a kind of steel wool filling silencer, is filled using steel wool, can be effectively into the continuous internal reflection of Row noise so that noise constantly weakens in core；And prevented cotton-wool and blocked spark collector, to reduce power loss；Meanwhile 1000 DEG C of steel wool high temperature resistant or more, noise reduction external temperature is effectively reduced, the requirement for promoting vehicle safety performance is reached.

Description

Steel wool fills silencer

Technical field

The utility model belongs to silencer technical field, refers in particular to a kind of steel wool filling silencer.

Background technology

For existing silencer generally use glass fibre as sound-absorbing material, glass fibre easy tos produce cotton-wool, cotton-wool with It is easy to block spark collector when tail gas discharge, to reduce exhaust power.

Utility model content

The purpose of this utility model is to provide a kind of steel wool filling silencer, is filled using steel wool, can effectively into The continuous internal reflection of Row noise so that noise constantly weakens in core；And prevented cotton-wool and blocked spark collector, from And reduce power loss；Meanwhile 1000 DEG C of steel wool high temperature resistant or more, noise reduction external temperature is effectively reduced, promotion vehicle is reached The requirement of security performance.

What the purpose of this utility model was realized in：A kind of steel wool fills silencer, including cylinder, axial in cylinder It is arranged at intervals with partition board one and partition board two, two partition boards separate the cylinder into volume and first become smaller three anechoic chambers to become larger again, point It Wei anechoic chamber one, anechoic chamber two, anechoic chamber three, it is characterised in that：Barrel front end is equipped with angle, and angle is connected with diagonally downward Preceding cone cylinder, preceding cone cylinder connects exhaust pipe；Tail-hood is arranged in cylinder tail end, union tail on tail-hood；Exhaust pipe stretches into anechoic chamber one It is interior, inner tube one is provided on partition board one and partition board two, inner tube one is connected to anechoic chamber one and anechoic chamber three；In being provided on partition board two Pipe two and inner tube three, inner tube two is connected to anechoic chamber two and anechoic chamber three, three one end of inner tube are connected to anechoic chamber two, and the other end passes through Connector sleeve is connect with tail pipe, and spark collector is equipped in connector sleeve；Net cylinder is equipped in the anechoic chamber one, net cylinder front support has Lining ring, rear end are supported on partition board one, and steel wool is filled between net cylinder and cylinder.

Wherein, the exhaust pipe includes the front exhaust pipe, middle exhaust pipe, heel row tracheae of bending setting；Front exhaust pipe front end Interface set and flange one are set, catalytic body one, middle exhaust pipe tail end are connected between front exhaust pipe tail end and middle exhaust pipe front end It is connect by flange two and flange three with heel row tracheae front end, flange two is fixed on middle exhaust pipe, and flange three is fixed on heel row On tracheae, flange two and flange three are respectively to be integrally machined, and three inner port of flange is ball bowl-type recess, in ball bowl-type recess It is combined with sealing ring, middle exhaust pipe tail portion port is plugged in sealing ring；Axial compression has baffle ring between flange two and flange three, Baffle ring is contradicted in sealing ring outer surface.

Wherein, the heel row tracheae passes through preceding cone cylinder and stretches into anechoic chamber one, heel row tracheae tail portion and one front end of inner cylinder Axially staggered setting.

Wherein, the heel row tracheae is equipped with catalytic body two, and catalytic body two is located in preceding cone cylinder.

Wherein, the spark collector is made of 300 mesh stainless steel mesh cloths.

The utility model is prominent and beneficial compared with prior art to be had the technical effect that：

1, the utility model can be had using stainless steel silk floss, that is, steel wool (304) filling, steel wool compared to glass fibre Imitate the continuous internal reflection into Row noise so that noise constantly weakens in core；Steel wool does not have cotton compared to glass fibre Wadding has prevented cotton-wool and has blocked spark collector, to reduce power loss；1000 DEG C of steel wool high temperature resistant or more effectively reduces Hush pipe body external temperature reaches the requirement for promoting vehicle safety performance.

2, tube structure is compact, catalytic body structure at setting two in preceding cone cylinder and outside cylinder, using double ternary catalyzing units, Effective cleaning of off-gas discharge, reaches state four and the emission request of Ou Si.

3, spark collector is made of 300 mesh stainless steel mesh cloths, is capable of the spark of effective mobile phone discharge, is reached outlet Europe American Standard is accurate.

4, flange two and flange three can be prevented completely using integral type, inside carbon seal ring, this structure is machined Gas leak phenomenon reaches the American-European standard in outlet.

Description of the drawings

Fig. 1 is the overall structure figure of the utility model；

Fig. 2 is the structure chart of the utility model anechoic chamber one；

Fig. 3 is the structure chart of the utility model exhaust pipe；

Fig. 4 is the structure chart of the utility model tail pipe.

Reference numeral：1, cylinder；2, exhaust pipe；2a, front exhaust pipe；2b, middle exhaust pipe；2c, heel row tracheae；3, catalytic body One；4, catalytic body two；5, preceding cone cylinder；6, tail pipe；7；Inner tube one；8, inner tube two；9, inner tube three；10, connector sleeve；11, partition board one； 12, partition board two；13, steel wool；14, net cylinder；15, lining ring；16, interface set；17, flange one；18, flange two；19, flange three； 20, baffle ring；21, sealing ring；22, spark collector；A, anechoic chamber one；B, anechoic chamber two；C, anechoic chamber three.

Specific implementation mode

The utility model is further described with specific embodiment below in conjunction with the accompanying drawings, referring to Fig. 1-4：

A kind of steel wool fills silencer, including cylinder 1, and partition board 1 and partition board two are axially arranged at intervals in cylinder 1 12, cylinder 1 is separated into volume and first become smaller three anechoic chambers to become larger again, respectively one A of anechoic chamber, anechoic chamber two by two partition boards B, three C of anechoic chamber, 1 front end of cylinder are equipped with angle, and angle is connected with preceding cone cylinder 5 diagonally downward, are arranged such so that inner cone cylinder 5 is more natural with 1 soldering of cylinder；Preceding cone cylinder 5 connects exhaust pipe 2, and tail-hood is arranged in 1 tail end of cylinder, union tail 6 on tail-hood；Exhaust Pipe 2 stretches into one A of anechoic chamber, and inner tube 1 is provided on partition board 1 and partition board 2 12, and inner tube 1 is connected to one A of anechoic chamber and disappears Three C of tone chamber；Inner tube 28 and inner tube 39 are provided on partition board 2 12, inner tube 28 is connected to two B of anechoic chamber and three C of anechoic chamber, inner tube 39 one end are connected to two B of anechoic chamber, and the other end is connect by connector sleeve 10 with tail pipe 6, and spark collector is equipped in connector sleeve 10 22；Net cylinder 14 is equipped in one A of the anechoic chamber, 14 front support of net cylinder has lining ring 15, rear end to be supported on partition board 1, net cylinder Steel wool 13 is filled between 14 and cylinder 1.

It is specific to see that Fig. 3, the exhaust pipe 2 include the front exhaust pipe 2a, middle exhaust pipe 2b, heel row tracheae 2c of bending setting； Interface set 16 and flange 1 is arranged in the front ends front exhaust pipe 2a, is connected between front exhaust pipe 2a tail ends and the front ends middle exhaust pipe 2b Catalytic body 1, middle exhaust pipe 2b tail ends are connect with the heel row front ends tracheae 2c by flange 2 18 and flange 3 19, and flange 2 18 is solid It is scheduled on exhaust pipe 2b, flange 3 19 is fixed on heel row tracheae 2c, and flange 2 18 and flange 3 19 are respectively to be integrally machined It forms, 3 19 inner port of flange is ball bowl-type recess, and sealing ring 21, the tail portions middle exhaust pipe 2b port are combined in ball bowl-type recess It is plugged in sealing ring 21；Axial compression has baffle ring 20, baffle ring 20 to contradict in sealing ring 21 between flange 2 18 and flange 3 19 Outer surface.

Wherein, the heel row tracheae 2c passes through preceding cone cylinder 5 and stretches into one A of anechoic chamber, the heel row tail portions tracheae 2c and inner cylinder The axially staggered setting in one 7 front ends, plays better erasure effect.

Wherein, the heel row tracheae 2c is equipped with catalytic body 24, and catalytic body 24 is located in preceding cone cylinder 5.

Wherein, the spark collector 22 is made of 300 mesh stainless steel mesh cloths.

The advantageous effect of this programme is：

1, the utility model is using stainless steel silk floss, that is, steel wool 13 (304) filling, and steel wool 13 is compared to glass fibre It can be effectively into the continuous internal reflection of Row noise so that noise constantly weakens in core；Steel wool 13 is compared to glass fibre There is no cotton-wool, has prevented cotton-wool and blocked spark collector 22, to reduce power loss；1000 DEG C of 13 high temperature resistant of steel wool with On, 1 external temperature of noise reduction cylinder is effectively reduced, the requirement for promoting vehicle safety performance is reached.

2, cylinder 1 is compact-sized, and catalytic body structure at two is arranged in preceding cone cylinder 5 and 1 outside of cylinder, using double three-element catalytics Device, effective cleaning of off-gas discharge, reaches state four and the emission request of Ou Si.

3, spark collector 22 is made of 300 mesh stainless steel mesh cloths, is capable of the spark of effective mobile phone discharge, is reached outlet American-European standard.

4, flange 2 18 and flange 3 19 are using machining integral type, and inside carbon seal ring 21, this structure can be complete Prevent gas leak phenomenon entirely, reaches the American-European standard in outlet.

Above-described embodiment is only the preferred embodiment of the utility model, not limits the protection model of the utility model according to this It encloses, therefore：The equivalence changes that all structures, shape, principle according to the utility model are done, should all be covered by the protection of the utility model Within the scope of.

Claims

1. a kind of steel wool fills silencer, including cylinder (1), be axially arranged at intervals in cylinder (1) partition board one (11) and every Cylinder (1) is separated into volume and first become smaller three anechoic chambers to become larger again, respectively anechoic chamber one by plate two (12), two partition boards (A), anechoic chamber two (B), anechoic chamber three (C), it is characterised in that：Cylinder (1) front end is equipped with angle, and angle is connected with diagonally downward Preceding cone cylinder (5), preceding cone cylinder (5) connection exhaust pipe (2)；Tail-hood is arranged in cylinder (1) tail end, union tail (6) on tail-hood；Exhaust Pipe (2) stretches into anechoic chamber one (A), and inner tube one (7), inner tube one (7) connection are provided on partition board one (11) and partition board two (12) Anechoic chamber one (A) and anechoic chamber three (C)；Inner tube two (8) and inner tube three (9), inner tube two (8) connection are provided on partition board two (12) Anechoic chamber two (B) and anechoic chamber three (C), inner tube three (9) one end are connected to anechoic chamber two (B), and the other end passes through connector sleeve (10) It is connect with tail pipe (6), spark collector (22) is equipped in connector sleeve (10)；Net cylinder (14), net are equipped in the anechoic chamber one (A) Cylinder (14) front support has lining ring (15), rear end to be supported on partition board one (11), and steel is filled between net cylinder (14) and cylinder (1) Silk flosssilk wadding (13).

2. steel wool according to claim 1 fills silencer, it is characterised in that：The exhaust pipe (2) includes that bending is set Front exhaust pipe (2a), middle exhaust pipe (2b), the heel row tracheae (2c) set；Interface set (16) and method is arranged in the front end front exhaust pipe (2a) Blue one (17), are connected with catalytic body one (3), middle exhaust pipe (2b) between front exhaust pipe (2a) tail end and the front end middle exhaust pipe (2b) Tail end is connect with the heel row tracheae front end (2c) by flange two (18) and flange three (19), and flange two (18) is fixed on middle exhaust pipe On (2b), flange three (19) is fixed on heel row tracheae (2c), flange two (18) and flange three (19) be respectively be integrally machined and At flange three (19) inner port is ball bowl-type recess, and sealing ring (21), middle exhaust pipe (2b) tail portion are combined in ball bowl-type recess Port is plugged in sealing ring (21)；Axial compression has baffle ring (20), baffle ring (20) between flange two (18) and flange three (19) It contradicts in sealing ring (21) outer surface.

3. steel wool according to claim 2 fills silencer, it is characterised in that：The heel row tracheae (2c) passes through inner cone Cylinder (5) simultaneously stretches into anechoic chamber one (A), the heel row tracheae tail portion (2c) and the axially staggered setting in one front end of inner cylinder.

4. steel wool according to claim 3 fills silencer, it is characterised in that：The heel row tracheae (2c), which is equipped with, touches Media two (4), catalytic body two (4) are located in preceding cone cylinder (5).

5. steel wool according to claim 1 fills silencer, it is characterised in that：The spark collector (22) uses 300 mesh stainless steel mesh cloths make.