CN206582003U - A kind of Novel muffler - Google Patents

Abstract

The utility model discloses a kind of Novel muffler, including cylinder, it is located at the air inlet pipe of the barrel end, it is located at the escape pipe of the cylinder afterbody, also include being axially disposed in main hush pipe that is that the cylinder neutralizes the air inlet pipe connection and closing at tail end, multiple radial direction isocons connected with the main hush pipe afterbody, multiple reduction of speed return ducts connected respectively with each radial direction isocon other end being located on the outside of the barrel of the cylinder, it is being connected with the reduction of speed return duct other end and from the barrel end extend into the cylinder in intermediate connection tube and be located at the secondary hush pipe that the axially cylinder neutralizes the intermediate connection tube connection, all secondary hush pipe other ends connect the escape pipe.The utility model automobile chassis area occupied is small while having efficient erasure effect concurrently.

Description

A kind of Novel muffler

Technical field

The utility model is related to automobile silencing field, more specifically to a kind of Novel muffler.

Background technology

At present, in order to improve the soundproof effect of automobile, multiple mufflers, this side side by side are often set on automobile chassis Although formula improves erasure effect, but the installation space-consuming of multiple mufflers is big, can influence other parts on chassis Install, or even need to be modified in some positions on chassis.

Utility model content

Defect the purpose of this utility model for prior art is to provide a kind of Novel muffler, and automobile chassis takes face Product is small while having efficient erasure effect concurrently.

Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of Novel muffler, Including cylinder, it is located at the air inlet pipe of the barrel end, is located at the escape pipe of the cylinder afterbody, in addition to is axially disposed in institute State main hush pipe that cylinder neutralizes air inlet pipe connection and being closed at tail end, multiple connected with the main hush pipe afterbody Radial direction isocon, multiple drops connected respectively with each radial direction isocon other end being located on the outside of the barrel of the cylinder It is that fast return duct is connected with the reduction of speed return duct other end and from the barrel end extend into the cylinder in centre connect The secondary hush pipe that the axially cylinder neutralizes the intermediate connection tube connection is taken over and is located at, it is described all described secondary The hush pipe other end connects the escape pipe.

First, this hush pipe is not directly to be discharged by blast pipe after the first noise reduction of main hush pipe, but right High-speed gas, which carry out deceleration, makes it produce after frequency of sound wave diminishes, and carries out secondary noise reduction, is discharged after secondary noise reduction, erasure effect Good, high-speed gas, which are slowed down, can equally reduce noise, increase erasure effect.Meanwhile, the reduction of speed return duct for reduction of speed is distributed On the outside of the barrel of cylinder, the installing space overwhelming majority now needed is in the coverage on cylinder vertical direction, bottom Area occupied on disk is small, can't influence the installation of other parts on chassis.

It is preferred that, the main hush pipe includes the inner tube with multiple bloops and the noise reduction of said inner tube outer wall connection Layer and the noise reduction layer outer wall connection outer rigid housing, be located at said inner tube tail end be used for the even gas distribution in inner tube is led Enter the uniform flow block to each radial direction isocon.

It is preferred that, the uniform flow block includes the installation cylinder table being fixedly connected with said inner tube tail end and described install is justified The flow guiding head of pylon connection, the flow guiding head has multiple identical water conservancy diversion planes, and all described water conservancy diversion planes pool one Point.

It is preferred that, the reduction of speed return duct is twist distributed around cylinder.

It is preferred that, the linear type of reduction of speed return duct prolongs cylinder body outer wall distribution.

It is preferred that, the reduction of speed return duct includes body and multiple deceleration devices being located in the body, the drop Speed variator is included in upper baffle groups and the lower baffle groups below the upper baffle groups, the upper baffle groups Upper deflection plate is staggered with the lower deflection plate in the lower baffle groups, in the upper baffle groups and the lower baffle groups Deceleration fan is connected between adjacent upper deflection plate and lower deflection plate；The deceleration fan includes rotating shaft and is located in rotating shaft Deceleration blade.

It is preferred that, the first transfer tube and described first that the intermediate connection tube includes and the reduction of speed return duct is connected That transfer tube is connected and the radially connected pipe between the radial direction isocon at an angle and the radially connected pipe are connected The second transfer tube and second transfer tube is connected with the secondary hush pipe perpendicular to the barrel end Axial connecting tube.

It is preferred that, the escape pipe is in funnel-form.

In summary, the utility model has the advantages that：

1st, automobile chassis area occupied is small and good muffling effect.

Brief description of the drawings

Fig. 1 is the schematic cross-sectional view of the embodiment of the utility model one；

Fig. 2 is the structural representation at the first visual angle of the Novel muffler；

Fig. 3 is the structural representation of main hush pipe；

Fig. 4 is the structural representation of uniform flow block；

Fig. 5 is the schematic diagram of the deceleration device inside reduction of speed return duct；

Fig. 6 is the scheme of installation between radial direction isocon, reduction of speed return duct and intermediate connection tube three.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

This specific embodiment is only to explain of the present utility model, and it is not to limitation of the present utility model, ability Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but As long as all being protected in right of the present utility model by Patent Law.

Embodiment：A kind of Novel muffler as shown in figs 1 to 6, including cylinder 1, it is located at entering for the end of cylinder 1 Tracheae 2, the escape pipe 3 for being located at the afterbody of cylinder 1, the escape pipe 3 are in funnel-form, in addition to are axially disposed in the cylinder 1 neutralizes main hush pipe 4 that is that the air inlet pipe 2 is connected and being closed at tail end, multiple footpaths connected with the main afterbody of hush pipe 4 To isocon 5, it is multiple be located on the outside of the barrel of the cylinder 1 respectively connected with each other end of radial direction isocon 5 It is that reduction of speed return duct 6 is connected with the other end of reduction of speed return duct 6 and extend into from the end of cylinder 1 in the cylinder 1 Intermediate connection tube 7 and it is located at the axially cylinder 1 and neutralizes the secondary hush pipe 8 that the intermediate connection tube 7 is connected, the institute There is the other end of secondary hush pipe 8 to connect the escape pipe 3, when reduction of speed return duct 6 is installed, can be realized by support frame 9 With the connection of cylinder 1, multiple dividing plates 10 can also be set in cylinder 1, cylinder 1 is separated into multiple silencing cavities.

First, this hush pipe is not directly to be discharged by blast pipe after the first noise reduction of main hush pipe 4, but High-speed gas are carried out with deceleration makes it produce after frequency of sound wave diminishes, and carries out secondary noise reduction, is discharged after secondary noise reduction, noise reduction effect Really good, high-speed gas, which are slowed down, can equally reduce noise, increase erasure effect.Meanwhile, the reduction of speed return duct point for reduction of speed Cloth is on the outside of the barrel of cylinder 1, coverage of the installing space overwhelming majority now needed on the vertical direction of cylinder 1 Interior, the area occupied on chassis is small, can't influence the installation of other parts on chassis.

It is preferred that, the main hush pipe 4 includes what inner tube 41 and the outer wall of said inner tube 41 with multiple bloops were connected Noise reduction layer 42 and the outer rigid housing 43 of the outer wall of the noise reduction layer 42 connection, it is located at being used for inner tube 41 of the tail end of said inner tube 41 In even gas distribution imported into the uniform flow block 44 of each radial direction isocon 5.The uniform flow block 44 includes and the tail end of said inner tube 41 What is be fixedly connected installs cylinder table 441 and the flow guiding head 442 for installing the connection of cylinder table 441, and the flow guiding head 442 has Multiple identical water conservancy diversion planes 443, all described water conservancy diversion planes 443 are pooled a bit.

It is preferred that, the reduction of speed return duct 6 is twist distributed around cylinder 1.The setting, can increase gas flow paths, Reduction of speed effect is improved, the frequency of sound wave of the generation of gas is reduced, increases erasure effect.It is used as another preferred arrangement, institute State the linear type of reduction of speed return duct 6 and prolong the distribution of the outer wall of cylinder 1.

It is preferred that, as shown in figure 5, the reduction of speed return duct 6 includes body and multiple reductions of speed being located in the body Device, the deceleration device includes upper baffle groups 61 and the lower baffle groups 62 positioned at the upper lower section of baffle groups 61, Upper deflection plate in the upper baffle groups 61 is staggered with the lower deflection plate in the lower baffle groups 62, the upper baffling In plate group 61 and the lower baffle groups 62 deceleration fan 63 is connected between adjacent upper deflection plate and lower deflection plate；It is described to subtract Fast fan 63 includes rotating shaft and the deceleration blade being located in rotating shaft.

As shown in Figure 6, it is preferred that the first transfer tube that the intermediate connection tube 7 includes and the reduction of speed return duct 6 is connected 71 and first transfer tube 71 connection and the radially connected pipe 72 between the radial direction isocon 5 at an angle and The second transfer tube 73 that the radially connected pipe 72 is connected and perpendicular to the end of cylinder 1 by second transfer tube 73 The axial connecting tube 74 connected with the secondary hush pipe 8.The setting so that secondary hush pipe 8, which is avoided, radially to be shunted The installation site of pipe 5, will not produce intersection.

Claims (8)

1. a kind of Novel muffler, including cylinder（1）, be located at the cylinder（1）The air inlet pipe of end（2）, be located at the cylinder （1）The escape pipe of afterbody（3）, it is characterised in that also including being axially disposed in the cylinder（1）Neutralize the air inlet pipe（2）Even The main hush pipe closed at logical and tail end（4）, multiple and described main hush pipe（4）The radial direction isocon of afterbody connection（5）, it is many It is individual to be located at the cylinder（1）Barrel on the outside of respectively and each radial direction isocon（5）The reduction of speed backflow of other end connection Pipe（6）And the reduction of speed return duct（6）Other end connection and from the cylinder（1）End extend into the cylinder（1）In Intermediate connection tube（7）And it is located at the axially cylinder（1）Neutralize the intermediate connection tube（7）The secondary hush pipe of connection （8）, all secondary hush pipes（8）The other end connects the escape pipe（3）.

2. a kind of Novel muffler according to claim 1, it is characterised in that the main hush pipe（4）Including with many The inner tube of individual bloop（41）And said inner tube（41）The noise reduction layer of outer wall connection（42）And the noise reduction layer（42）Outer wall connects The outer rigid housing connect（43）, be located at said inner tube（41）Tail end is used for inner tube（41）In even gas distribution imported into each footpath To isocon（5）Uniform flow block（44）.

3. a kind of Novel muffler according to claim 2, it is characterised in that the uniform flow block（44）Including with it is described interior Pipe（41）The installation cylinder table that tail end is fixedly connected（441）And the installation cylinder table（441）The flow guiding head of connection（442）, institute State flow guiding head（442）With multiple identical water conservancy diversion planes（443）, all described water conservancy diversion planes（443）Pool a bit.

4. a kind of Novel muffler according to claim 1, it is characterised in that the reduction of speed return duct（6）Twist Around cylinder（1）Distribution.

5. a kind of Novel muffler according to claim 1, it is characterised in that the reduction of speed return duct（6）Linear type Prolong cylinder（1）Outer wall is distributed.

6. a kind of Novel muffler according to claim 5, it is characterised in that the reduction of speed return duct（6）Including body And multiple deceleration devices being located in the body, the deceleration device include upper baffle groups（61）And on described Baffle groups（61）The lower baffle groups of lower section（62）, the upper baffle groups（61）In upper deflection plate and the lower deflection plate Group（62）In lower deflection plate be staggered, the upper baffle groups（61）With the lower baffle groups（62）In adjacent upper folding Deceleration fan is connected between stream plate and lower deflection plate（63）；The deceleration fan（63）Including rotating shaft and it is located in rotating shaft Deceleration blade.

7. a kind of Novel muffler according to claim 1, it is characterised in that the intermediate connection tube（7）Including and institute State reduction of speed return duct（6）First transfer tube of connection（71）And first transfer tube（71）Connection and with the radial direction point Flow tube（5）Between radially connected pipe at an angle（72）And the radially connected pipe（72）Second transfer tube of connection （73）And perpendicular to the cylinder（1）End by second transfer tube（73）With the secondary hush pipe（8）Connect The axial connecting tube come（74）.

8. a kind of Novel muffler according to claim 1, it is characterised in that the escape pipe（3）In funnel-form.