CN201896646U - Muffler - Google Patents
Muffler Download PDFInfo
- Publication number
- CN201896646U CN201896646U CN2010205688725U CN201020568872U CN201896646U CN 201896646 U CN201896646 U CN 201896646U CN 2010205688725 U CN2010205688725 U CN 2010205688725U CN 201020568872 U CN201020568872 U CN 201020568872U CN 201896646 U CN201896646 U CN 201896646U
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- CN
- China
- Prior art keywords
- storehouse
- sound
- housing
- anger
- chamber
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a muffler, which comprises a closed housing. Two separators are arranged inside the housing. The inner space of the housing is divided into three chambers by the separators, which are a transition chamber, an air intake chamber and an air outlet chamber. The air intake chamber is arranged between the transition chamber and the air outlet chamber. Both the air intake chamber and the transition chamber are equipped with a sound-absorbing box. An air inlet pipe used as the adaption joint of the muffler is connected with the outside of the housing. A J-shaped diversion pipe inside the housing is connected with the air inlet pipe. The linear portion of the J-shaped diversion pipe enters into the air outlet chamber by successively passing through the two separators and the bending portion of the J-shaped diversion pipe is connected with the sound-absorbing box of the air intake chamber by passing through the separators in the air outlet chamber. The air intake chamber is connected with the sound-absorbing box of the transition chamber by an L-shaped diversion pipe. The transition chamber is connected with the air outlet chamber by passing the two separators via a linear diversion pipe. The air outlet chamber is equipped with a sound-weakening pipe and the sound-weakening pipe extends out of the air outlet chamber to the outside of the housing.
Description
Technical field
The utility model relates to the gas outlet means denoising device, especially relates to a kind of silencing apparatus of highly effective low noise.
Background technique
The honeycomb duct of conventional muffler is arranged comparatively simple, it is differential that its form all belongs to importing, its design concept is to keep noise reduction under the power power condition as far as possible, basic structure is, gas is imported the air inlet storehouse, enter transitional storehouse by the pressure effect and be switched to the storehouse of giving vent to anger again, through the pressure differential between three storehouses, by a bit of straight tube gas is derived suppressor case then, the sound attenuation rate is lower, noise reduction is limited, can see that by the infrared rays optical filter gas of its discharge is " cylinder radiation ".
The model utility content
Eliminate efficient for the noise that improves silencing apparatus, the utility model provides a kind of silencing apparatus of highly effective low noise.
The technological scheme that its technical problem that solves the utility model adopts is:
Silencing apparatus, comprise an enclosing housing, two dividing plates are set in the described housing, dividing plate is divided into transitional storehouse with the inner space of housing, the air inlet storehouse and three bins in storehouse of giving vent to anger, the air inlet position in storehouse is in transitional storehouse and give vent to anger between the storehouse, be provided with the sound-absorbing box in air inlet storehouse and the transitional storehouse, one section suction tude of the outer connection of housing as the silencing apparatus adaptor sub, there is a J-shaped honeycomb duct to be connected in the housing with suction tude, the straight section of J-shaped honeycomb duct passes two dividing plates successively and enters the storehouse of giving vent to anger, the curved section of J-shaped honeycomb duct passes dividing plate and is connected to sound-absorbing box in the air inlet storehouse in the storehouse of giving vent to anger, the air inlet storehouse is connected to the sound-absorbing box of transitional storehouse by one section L shaped honeycomb duct, transitional storehouse passes two dividing plates by one section straight line honeycomb duct and is connected to the storehouse of giving vent to anger, and the storehouse of giving vent to anger is provided with an off beat pipe, and the off beat pipe stretches out outside in the storehouse of giving vent to anger.
Have the circular hole of dense arrangement on the box wall of described sound-absorbing box.
Described off beat pipe is the big young pipeline of one section abdomen.
The beneficial effects of the utility model are, the crooked shape honeycomb duct of striding the bin setting has increased the distance that air-flow passes through in silencing apparatus, the sound-absorbing box that has the circular hole of dense arrangement on the box wall has been upset air-flow and the sound wave that enters silencing apparatus, and the big young off beat pipe of abdomen has further reduced noise.
Description of drawings
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Fig. 1 is a structural drawing of the present utility model.
Among the figure, 11. suction tude, 12.J shape honeycomb duct, 13.L shape honeycomb duct, 14. straight line honeycomb ducts, 15. off beat pipes, 20. housings, 21. left clapboards, 22. right clapboards, 31. air inlet storehouses, 32. transitional storehouses, 33. storehouses of giving vent to anger, 41. sound-absorbing boxes, 42. sound-absorbing boxes.
Embodiment
In Fig. 1, left clapboard 21 and right clapboard 22 are set in the housing 20, dividing plate is divided into transitional storehouse 32 with the inner space of housing, the air inlet storehouse 31 and 33 3 bins in storehouse of giving vent to anger, air inlet storehouse 31 is at transitional storehouse 32 and give vent to anger between the storehouse 33, be provided with sound-absorbing box 41 in the air inlet storehouse 31, be provided with sound-absorbing box 42 in the transitional storehouse 32, have the circular hole of dense arrangement on the box wall of sound-absorbing box, one section suction tude 11 of the outer connection of housing as the silencing apparatus adaptor sub, there is a J-shaped honeycomb duct 12 to be connected in the housing with suction tude, the straight section of J-shaped honeycomb duct passes left clapboard 21 successively and right clapboard 22 enters the storehouse 33 of giving vent to anger, the curved section of J-shaped honeycomb duct passes right clapboard 22 and is connected to sound-absorbing box 41 in the air inlet storehouse 31 in the storehouse of giving vent to anger, the air inlet storehouse is connected to sound-absorbing box 42 in the transitional storehouse 32 by one section L shaped honeycomb duct 13, transitional storehouse passes left clapboard 21 by one section straight line honeycomb duct 14 and right clapboard 22 is connected to the storehouse 33 of giving vent to anger, the storehouse of giving vent to anger is provided with an off beat pipe 15, the off beat pipe stretches out outside in the storehouse of giving vent to anger, the off beat pipe is the big young pipeline of one section abdomen.
Gas enters from suction tude, enter sound-absorbing box in the air inlet storehouse by the J-shaped honeycomb duct, be crowded with air inlet storehouses with the pressure effect, again by the sound-absorbing box in the L shaped honeycomb duct importing transitional storehouse, this moment gas temperature, pressure and vibration frequency all have decline significantly, decompression absorption once more is after the straight line honeycomb duct imports the storehouse of giving vent to anger, gas temperature, pressure and vibration frequency further descend, at this moment gas is squeezed into the big young off beat pipe of abdomen under comparatively mild pressure, because the effect of multiple differential pressure, sound wave is upset once more, when going out the off beat mouth of pipe under its effect that is being stressed, owing to be subjected to the influence of atm difference, the hot gas that discharges has certain explosive force suddenly, and this power has played the effect of suppressing to gas and sound wave in the off beat pipe abdomen again.
This silencing apparatus has increased two sound-absorbing boxes and an off beat pipe, the sound-absorbing box is that thin plate joint close after porous stretched punching press forms, when high pressure, high temperature, high-frequency gas are in honeycomb duct imports sound-absorbing, box, needle point effect when the porous stretched face in the box has played high pressure-temperature, because the heat build-up of circular orifice, many gas whirlpools have been formed, air-flow and audio frequency have been upset jointly with rough box inwall, make the noise of high pressure high-decibel be subjected to being die-offed after absorption and the slow resistance, can see that by the infrared rays optical filter gas of its discharge is " cotton balls is open form gradually ".
After the air-flow that experiment showed, high temperature, high frequency, high-decibel " softened " through such silencing apparatus, noise was lower 10～15 decibels than conventional muffler, and power exceeds 8%～12% than conventional muffler.
More than show and described basic principle of the present utility model, major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; the utility model also has various changes and modifications under the prerequisite that does not break away from the utility model spirit and scope, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. silencing apparatus, comprise an enclosing housing, two dividing plates are set in the described housing, dividing plate is divided into transitional storehouse with the inner space of housing, the air inlet storehouse and three bins in storehouse of giving vent to anger, it is characterized in that, the air inlet position in storehouse is in transitional storehouse and give vent to anger between the storehouse, be provided with the sound-absorbing box in air inlet storehouse and the transitional storehouse, one section suction tude of the outer connection of housing as the silencing apparatus adaptor sub, there is a J-shaped honeycomb duct to be connected in the housing with suction tude, the straight section of J-shaped honeycomb duct passes two dividing plates successively and enters the storehouse of giving vent to anger, the curved section of J-shaped honeycomb duct passes dividing plate and is connected to sound-absorbing box in the air inlet storehouse in the storehouse of giving vent to anger, the air inlet storehouse is connected to the sound-absorbing box of transitional storehouse by one section L shaped honeycomb duct, and transitional storehouse passes two dividing plates by one section straight line honeycomb duct and is connected to the storehouse of giving vent to anger, the storehouse of giving vent to anger is provided with an off beat pipe, and the off beat pipe stretches out outside in the storehouse of giving vent to anger.
2. silencing apparatus according to claim 1 is characterized in that, has the circular hole of dense arrangement on the box wall of described sound-absorbing box.
3. silencing apparatus according to claim 1 is characterized in that, described off beat pipe is the big young pipeline of one section abdomen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205688725U CN201896646U (en) | 2010-10-20 | 2010-10-20 | Muffler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205688725U CN201896646U (en) | 2010-10-20 | 2010-10-20 | Muffler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201896646U true CN201896646U (en) | 2011-07-13 |
Family
ID=44254557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205688725U Expired - Fee Related CN201896646U (en) | 2010-10-20 | 2010-10-20 | Muffler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201896646U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103573335A (en) * | 2012-07-31 | 2014-02-12 | 东莞市旗丰***有限公司 | Box motorcycle muffler with front and rear muffler units |
-
2010
- 2010-10-20 CN CN2010205688725U patent/CN201896646U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103573335A (en) * | 2012-07-31 | 2014-02-12 | 东莞市旗丰***有限公司 | Box motorcycle muffler with front and rear muffler units |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110713 Termination date: 20131020 |