CN211549806U

CN211549806U - Novel double-layer heat-insulation exhaust silencing device

Info

Publication number: CN211549806U
Application number: CN202020005659.7U
Authority: CN
Inventors: 胡怀强
Original assignee: Shandong Atk Environmental Protection Technology Co ltd
Current assignee: Shandong Atk Environmental Protection Technology Co ltd
Priority date: 2020-01-02
Filing date: 2020-01-02
Publication date: 2020-09-22
Anticipated expiration: 2030-01-02

Abstract

The utility model relates to the technical field of noise elimination equipment, in particular to a novel double-layer heat-insulation exhaust noise elimination equipment which can effectively reduce exhaust noise, enhance noise reduction capability, improve heat insulation effect and reduce use limitation; including the muffler pipe, the silencing pot, the intake pipe, flange, the blast pipe, the inside of muffler pipe is provided with the chamber of making an uproar of falling, the left end of muffler pipe is provided with the export, the right-hand member of muffler pipe is provided with the entry, and entry and export all communicate with each other with the chamber of making an uproar of falling, evenly be provided with multiunit muffling hole on the circumference outer wall of muffler pipe, and multiunit muffling hole all with fall the chamber of making an uproar intercommunication, flange fixed mounting is at the right-hand member of intake pipe, the last four group mounting holes that are provided with of flange, the inside of blast pipe is provided with the exhaust chamber, the left end of blast pipe is provided with the gas vent, and the gas vent communicates with each other with the exhaust chamber, the input of blast pipe is fixed.

Description

Novel double-layer heat-insulation exhaust silencing device

Technical Field

The utility model relates to a noise eliminator's technical field especially relates to a novel double-deck thermal-insulated exhaust noise eliminator.

Background

At present, the automobile manufacturing industry has gradually developed into the important pillar industry of China, with the development of economy and the improvement of living standard, the using amount of automobiles increases year by year, an automobile exhaust muffler is one of important automobile accessories and is a key part for reducing the exhaust noise of an automobile engine, and the existing exhaust muffler is found to have larger exhaust noise, weak noise reduction capability and poor heat insulation effect in the using process, so that the use limitation is higher.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a can effectively reduce exhaust noise, the reinforcing ability of making an uproar that falls, thermal-insulated effect is improved, reduces the novel double-deck thermal-insulated exhaust noise eliminator that uses the limitation.

The utility model relates to a novel double-layer heat-insulation exhaust muffler device, which comprises a muffler pipe, a muffler barrel, an air inlet pipe, a connecting flange and an exhaust pipe, wherein a noise reduction cavity is arranged inside the muffler pipe, the left end of the muffler pipe is provided with an outlet, the right end of the muffler pipe is provided with an inlet, the inlet and the outlet are communicated with the noise reduction cavity, a plurality of groups of muffler holes are uniformly arranged on the circumferential outer wall of the muffler pipe and are communicated with the noise reduction cavity, the muffler barrel is fixedly sleeved on the circumferential outer wall of the muffler pipe, the interior of the muffler barrel is provided with a heat insulation cavity, the left end of the air inlet pipe is fixedly communicated with the inlet at the right end of the muffler pipe, the left end of the air inlet pipe is connected with the right end of the muffler barrel, the connecting flange is fixedly arranged at the right end of the air inlet pipe, four groups of mounting holes are arranged on the connecting flange, the interior, and the exhaust port is communicated with the exhaust cavity, the input end of the exhaust pipe is fixedly communicated with the left end of the silencing pipe, and the right end of the exhaust pipe is connected with the left end of the silencing barrel.

The utility model discloses a novel double-deck thermal-insulated exhaust noise elimination device still includes protection heat dissipation section of thick bamboo and four fixing bolt of group, and the protection is provided with the multiunit louvre on the heat dissipation section of thick bamboo, and protection heat dissipation section of thick bamboo is through the fixed suit of four fixing bolt of group on the circumference outer wall of a noise elimination section of thick bamboo.

The utility model discloses a novel double-deck thermal-insulated exhaust noise eliminator still includes the filter, and filter fixed mounting is in the export of muffler pipe left end to the filter is located the exhaust intracavity of blast pipe.

The utility model discloses a novel double-deck thermal-insulated exhaust noise elimination device still includes two sets of abatvoix, and two sets of abatvoix all fix the suit on the circumference outer wall of muffler pipe to the circumference outer wall of two sets of abatvoix all with the circumference inner wall connection of a muffler section of thick bamboo, all be provided with the multiunit on two sets of abatvoix and dredge the hole.

The utility model discloses a novel double-deck thermal-insulated exhaust noise elimination device still includes four group's strengthening ribs, and four group's strengthening ribs are annular equidistance's fixed mounting respectively on the circumference outer wall of intake pipe.

The utility model discloses a novel double-deck thermal-insulated exhaust noise elimination device still includes the clean pole of elasticity, and the clean pole of elasticity is last even to be provided with the clean brush of multiunit.

The utility model discloses a novel double-deck thermal-insulated exhaust noise elimination device still includes anti-skidding handle cover, and the fixed suit of anti-skidding handle cover is on the top of the clean pole of elasticity.

The utility model discloses a novel double-deck thermal-insulated exhaust noise elimination device still includes four group's connecting bolt and four group's spring washers, and four group's connecting bolt passes through flange fixed mounting with exhaust muffler through the cooperation with the mounting hole and discharges the department, and four group's spring washers suit are respectively on four group's connecting bolt.

Compared with the prior art, the beneficial effects of the utility model are that: noise enters into the chamber of making an uproar that falls of muffler pipe through the intake pipe, after the hole that disappears diffuses, discharge by the blast pipe again, thereby reach the effect that the amortization does not hinder the sound, can effectively reduce exhaust noise, the ability of making an uproar that falls obtains obvious reinforcing, adopt bilayer structure to set up through the silencing pot, through setting up thermal-insulated chamber, the separation has made the heat along with tail gas together by the blast pipe discharge, thereby make thermal-insulated effect improve, reduce and use the limitation.

Drawings

Fig. 1 is an axial schematic view of the present invention;

fig. 2 is a front schematic view of the present invention;

fig. 3 is a schematic sectional structure of the present invention;

FIG. 4 is a front schematic view of the elastomeric cleaning rod of the present invention;

fig. 5 is a schematic partial sectional view of the present invention when mounted and fixed;

in the drawings, the reference numbers: 1. a muffler pipe; 2. a sound-deadening aperture; 3. an acoustic elimination cylinder; 4. a thermally insulating cavity; 5. an air inlet pipe; 6. a connecting flange; 7. mounting holes; 8. an exhaust pipe; 9. a protective heat dissipation cylinder; 10. heat dissipation holes; 11. fixing the bolt; 12. a filter; 13. a sound-absorbing panel; 14. d, dredging a through hole; 15. reinforcing ribs; 16. an elastic cleaning rod; 17. cleaning the brush; 18. an anti-slip handle sleeve; 19. a connecting bolt; 20. a spring washer.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in figures 1 to 5, the utility model relates to a novel double-layer heat-insulation exhaust muffler device, which comprises a muffler pipe 1, a muffler cylinder 3, an air inlet pipe 5, a connecting flange 6 and an air outlet pipe 8, wherein a noise reduction cavity is arranged inside the muffler pipe 1, an outlet is arranged at the left end of the muffler pipe 1, an inlet is arranged at the right end of the muffler pipe 1, the inlet and the outlet are communicated with the noise reduction cavity, a plurality of groups of muffler holes 2 are uniformly arranged on the circumferential outer wall of the muffler pipe 1, the plurality of groups of muffler holes 2 are communicated with the noise reduction cavity, the muffler cylinder 3 is fixedly sleeved on the circumferential outer wall of the muffler pipe 1, a heat insulation cavity 4 is arranged inside the muffler cylinder 3, the left end of the air inlet pipe 5 is fixedly communicated with the inlet at the right end of the muffler pipe 1, the left end of the air inlet pipe 5 is connected with the right end of the muffler cylinder 3, the connecting flange 6 is fixedly installed at the right end of the air inlet, an exhaust cavity is arranged in the exhaust pipe 8, an exhaust port is arranged at the left end of the exhaust pipe 8 and communicated with the exhaust cavity, the input end of the exhaust pipe 8 is fixedly communicated with the left end of the muffling tube 1, and the right end of the exhaust pipe 8 is connected with the left end of the muffling barrel 3; noise enters into the chamber of making an uproar that falls of muffler pipe 1 through intake pipe 5, after the hole 2 that disappears diffuses, discharge by blast pipe 8 again, thereby reach the effect that the amortization does not hinder the sound, can effectively reduce exhaust noise, the ability of making an uproar falls is obviously strengthened, adopt bilayer structure to set up through muffler cylinder 3, through setting up thermal-insulated chamber 4, the separation has propagated through the pipe wall, make the heat together discharge by blast pipe 8 along with tail gas, thereby make thermal-insulated effect improve, reduce and use the limitation.

The utility model discloses a novel double-layer heat insulation exhaust muffler device, which also comprises a protective heat dissipation cylinder 9 and four groups of fixing bolts 11, wherein the protective heat dissipation cylinder 9 is evenly provided with a plurality of groups of heat dissipation holes 10, and the protective heat dissipation cylinder 9 is fixedly sleeved on the circumferential outer wall of the muffler cylinder 3 through the four groups of fixing bolts 11; through setting up a protection heat dissipation section of thick bamboo 9 for partly heat is lost by louvre 10 fast, plays the guard action simultaneously, prevents the condition of scalding, reduces and uses the limitation.

The utility model discloses a novel double-layer heat-insulating exhaust muffler device, which also comprises a filter 12, wherein the filter 12 is fixedly arranged on the outlet at the left end of the muffler pipe 1, and the filter 12 is positioned in the exhaust cavity of the exhaust pipe 8; through being provided with filter 12 for tail gas satisfies the emission requirement after obtaining purifying when discharging, avoids causing the pollution to the environment, improves the reliability in utilization.

The novel double-layer heat-insulation exhaust muffler device also comprises two groups of sound-absorbing plates 13, wherein the two groups of sound-absorbing plates 13 are fixedly sleeved on the circumferential outer wall of the sound-absorbing pipe 1, the circumferential outer walls of the two groups of sound-absorbing plates 13 are connected with the circumferential inner wall of the sound-absorbing cylinder 3, and a plurality of groups of dredging holes 14 are formed in the two groups of sound-absorbing plates 13; through setting up abatvoix 13, the noise is when entering into the intracavity of making an uproar that falls of muffler pipe 1, and rethread abatvoix 13 absorbs, makes the noise further obtain reducing, reduces and uses the limitation.

The novel double-layer heat-insulation exhaust muffler device also comprises four groups of reinforcing ribs 15, wherein the four groups of reinforcing ribs 15 are respectively and fixedly arranged on the circumferential outer wall of the air inlet pipe 5 in an annular equidistant manner; through setting up strengthening rib 15 for intake pipe 5 is more firm with being connected of muffler pipe 1, strengthens overall structure's stability, improves and uses the reliability.

The novel double-layer heat-insulating exhaust muffler device also comprises an elastic cleaning rod 16, and a plurality of groups of cleaning brushes 17 are uniformly arranged on the elastic cleaning rod 16; through setting up the clean pole 16 of elasticity, can conveniently clear up the mediation to the intracavity portion of making an uproar of falling of muffler pipe 1, keep the effect of making an uproar, reduce the use limitation of good noise elimination.

The utility model discloses a novel double-layer heat-insulating exhaust muffler device, which also comprises an anti-skid handle sleeve 18, wherein the anti-skid handle sleeve 18 is fixedly sleeved on the top end of an elastic cleaning rod 16; through setting up anti-skidding handle cover 18, can increase the adhesive force on elasticity cleaning rod 16 surface, make that hold more firm, reduce thermal transmission simultaneously, make the clearance get up convenient and fast more, improve the use reliability.

The utility model discloses a novel double-deck thermal-insulated exhaust muffler device, still include four groups of connecting bolts 19 and four groups of spring washers 20, four groups of connecting bolts 19 through with mounting hole 7 cooperation with exhaust muffler through flange 6 fixed mounting in the emission department, four groups of spring washers 20 are respectively nested on four groups of connecting bolts 19; through setting up connecting bolt 19 and spring shim 20, adopt bolted connection to fasten through spring shim 20, make the exhaust muffler device dismouting convenient and fast more make the connection more firm through the effect of spring shim 20, improve the reliability in utilization.

The utility model discloses a novel double-deck thermal-insulated exhaust noise eliminator, it is at the during operation, at first with the device through connecting bolt 19 and spring washer 20 fixed mounting in emission department, during the tail gas noise entered into the chamber of making an uproar that falls of muffler pipe 1 through intake pipe 5, after 2 diffusion in the muffler hole, obtain further amortization by abatvoix 13 and handle, filter the back through filter 12, discharge by blast pipe 8 again, can reach the purpose of making an uproar that falls of amortization.

The utility model discloses a novel double-deck thermal-insulated exhaust noise eliminator, its mounting means, connected mode or set up the mode and be common mechanical system, as long as can reach all can implement of its beneficial effect.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A novel double-layer heat-insulation exhaust muffler device is characterized by comprising a muffler pipe (1), a muffler cylinder (3), an air inlet pipe (5), a connecting flange (6) and an exhaust pipe (8), wherein a noise reduction cavity is arranged inside the muffler pipe (1), an outlet is arranged at the left end of the muffler pipe (1), an inlet is arranged at the right end of the muffler pipe (1), the inlet and the outlet are communicated with the noise reduction cavity, a plurality of groups of muffler holes (2) are uniformly arranged on the circumferential outer wall of the muffler pipe (1), the plurality of groups of muffler holes (2) are communicated with the noise reduction cavity, the muffler cylinder (3) is fixedly sleeved on the circumferential outer wall of the muffler pipe (1), a heat insulation cavity (4) is arranged inside the muffler cylinder (3), the left end of the air inlet pipe (5) is fixedly communicated with the inlet of the muffler pipe (1), and the left end of the air inlet pipe (5) is connected with the right end of the muffler cylinder (3), connecting flange (6) fixed mounting is at the right-hand member of intake pipe (5), is provided with four group mounting holes (7) on connecting flange (6), and the inside of blast pipe (8) is provided with the exhaust chamber, and the left end of blast pipe (8) is provided with the gas vent to the gas vent communicates with each other with the exhaust chamber, and the input of blast pipe (8) and the fixed intercommunication of the left end of muffler pipe (1), and the right-hand member of blast pipe (8) is connected with the left end of muffling barrel (3).

2. A novel double-deck heat-insulating, exhausting and muffling device as recited in claim 1, further comprising a protective heat-dissipating cylinder (9) and four sets of fixing bolts (11), wherein the protective heat-dissipating cylinder (9) is uniformly provided with a plurality of sets of heat-dissipating holes (10), and the protective heat-dissipating cylinder (9) is fixedly sleeved on the circumferential outer wall of the muffling cylinder (3) through the four sets of fixing bolts (11).

3. A novel double-deck heat-insulating exhaust muffler device as defined in claim 2, further comprising a filter (12), wherein the filter (12) is fixedly installed at the outlet of the left end of the muffler pipe (1), and the filter (12) is located in the exhaust chamber of the exhaust pipe (8).

4. A novel double-deck heat-insulating exhaust muffler device as claimed in claim 3, further comprising two sets of sound-absorbing boards (13), wherein the two sets of sound-absorbing boards (13) are fixedly sleeved on the outer circumferential wall of the muffler pipe (1), the outer circumferential walls of the two sets of sound-absorbing boards (13) are connected with the inner circumferential wall of the muffler cylinder (3), and the two sets of sound-absorbing boards (13) are provided with a plurality of sets of sparse holes (14).

5. A novel double-layer heat-insulating exhaust muffler device as claimed in claim 4, further comprising four sets of reinforcing ribs (15), wherein the four sets of reinforcing ribs (15) are respectively fixedly arranged on the circumferential outer wall of the air inlet pipe (5) in an annular and equidistant manner.

6. A novel double-layer heat-insulating exhaust muffler device as claimed in claim 5, further comprising an elastic cleaning rod (16), wherein a plurality of groups of cleaning brushes (17) are uniformly arranged on the elastic cleaning rod (16).

7. A novel double-layer heat-insulating, exhausting and silencing device as recited in claim 6, further comprising an anti-slip handle sleeve (18), wherein the anti-slip handle sleeve (18) is fixedly sleeved on the top end of the elastic cleaning rod (16).

8. A novel double-layer heat-insulating exhaust muffler device as claimed in claim 7, further comprising four sets of connecting bolts (19) and four sets of spring washers (20), wherein the four sets of connecting bolts (19) are used for fixedly mounting the exhaust muffler at the exhaust position through the connecting flange (6) by matching with the mounting holes (7), and the four sets of spring washers (20) are respectively sleeved on the four sets of connecting bolts (19).