CN108104903A - A kind of diesel engine silencer - Google Patents
A kind of diesel engine silencer Download PDFInfo
- Publication number
- CN108104903A CN108104903A CN201810116338.1A CN201810116338A CN108104903A CN 108104903 A CN108104903 A CN 108104903A CN 201810116338 A CN201810116338 A CN 201810116338A CN 108104903 A CN108104903 A CN 108104903A
- Authority
- CN
- China
- Prior art keywords
- pipe
- perforate
- hush pipe
- hush
- wall
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K13/00—Arrangement in connection with combustion air intake or gas exhaust of propulsion units
- B60K13/04—Arrangement in connection with combustion air intake or gas exhaust of propulsion units concerning exhaust
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
- F01N1/082—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling the gases passing through porous members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/007—Apparatus used as intake or exhaust silencer
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/14—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having thermal insulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2510/00—Surface coverings
- F01N2510/02—Surface coverings for thermal insulation
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Transportation (AREA)
- Exhaust Silencers (AREA)
Abstract
The invention discloses a kind of diesel engine silencers, including the hush pipe being arranged below automobile chassis, damping is provided between the hush pipe and automobile chassis, the upper and lower ends setting of the noise reduction inside pipe wall one side is both provided with the first perforate, exhaust pipe is interspersed in first perforate, the both ends of the exhaust pipe extend inside and outside hush pipe respectively, the exhaust pipe is fixedly connected with the madial wall of the first perforate, the positioning plate being vertically arranged is equipped in the hush pipe, the positioning plate is fixedly connected with the madial wall of hush pipe, the second perforate corresponding with exhaust pipe position is provided on the positioning plate.In the present invention, when the tail gas of diesel engine is drained into hush pipe, a part of acoustic energy can be dissipated by the friction of through hole and gas vent to change into thermal energy consumption, the inner wall of hush pipe is provided with thermal insulation layer, so that the temperature of noise reduction pipe outer wall is less than the temperature of noise reduction inside pipe wall, so as to reduce security risk, practicability is stronger.
Description
Technical field
The present invention relates to silencer technical field more particularly to a kind of diesel engine silencers.
Background technology
Muffler be prevent sound transmission and allow air-flow by a kind of device, be eliminate air power noise weight
Want measure.Muffler is mounted in air powered equipment（Such as air blower, air compressor machine, boiler exhaust mouth, generator, water pump row
The larger equipment of gas port noise）Gas channel on or inlet and exhaust system in reduction noise device.
In the prior art, although the noise of diesel exhaust gases mouthful can be eliminated for the silencer of diesel engine, discharge
Gas can cause exhaust pipe to generate heat, and easily generate security risk, in addition the shake of exhaust pipe generates larger noise, only reduce
The noise of exhaust outlet cannot meet existing demand.
The content of the invention
The noise of exhaust outlet is only reduced the purpose of the present invention is to solve muffler in the prior art cannot meet now
There is the problem of demand, and a kind of diesel engine silencer proposed.
To achieve these goals, present invention employs following technical solutions：A kind of diesel engine silencer, including being arranged on
Hush pipe below automobile chassis is provided with damping, the noise reduction inside pipe wall one between the hush pipe and automobile chassis
The upper and lower ends setting of side is both provided with the first perforate, and exhaust pipe, the both ends of the exhaust pipe are interspersed in first perforate
Extend respectively inside and outside hush pipe, the exhaust pipe is fixedly connected with the madial wall of the first perforate, in the hush pipe
Equipped with the positioning plate being vertically arranged, the positioning plate is fixedly connected with the madial wall of hush pipe, be provided on the positioning plate with
Corresponding second perforate in exhaust pipe position, one end that the exhaust pipe is located inside hush pipe pass through the second perforate and are opened with second
The madial wall in hole is fixedly connected, and multiple through holes is additionally provided on the positioning plate, the noise reduction inside pipe wall is away from the first perforate one
The 3rd perforate is provided at the center of side, is interspersed with air inlet pipe in the 3rd perforate, the both ends of the air inlet pipe are respectively to disappearing
Extend inside and outside sound tube, the air inlet pipe is fixedly connected with the madial wall of the 3rd perforate, the center of the positioning plate side
Place is provided with the 4th perforate corresponding with air inlet pipe, the air inlet pipe be located at one end inside hush pipe through the 4th perforate and with
The madial wall of 4th perforate is fixedly connected, and the air inlet pipe, which is located on the outer wall inside hush pipe, is provided with multiple gas vents, institute
It states and sound arrester corresponding with air inlet pipe is provided in hush pipe.
Preferably, the damping includes two fixed cylinders, and two fixed cylinders are fixed on the lower section of automobile chassis,
Hole is provided through in the fixed cylinder at the center of bottom, partition plate, the partition plate and automobile bottom are provided in the fixed cylinder
It is connected with multiple spring levers between disk, the madial wall of the partition plate and fixed cylinder is slidably connected, at the center below the partition plate
Connecting rod is fixedly connected with, the lower end of the connecting rod extends outside fixed cylinder and is fixedly connected with hush pipe through through hole,
Two connecting rods are symmetricly set on the both sides above hush pipe.
Preferably, the both sides of the partition plate are both provided with sliding block, and the madial wall of the sliding slot is provided with corresponding with sliding block
Sliding slot.
Preferably, the sound arrester includes sound panel, and the sound panel is arranged in air inlet pipe, and the sound panel is with disappearing
The madial wall of sound tube is fixedly connected, and multiple through holes are also equipped on the sound panel.
Preferably, the inner wall of the hush pipe is provided with thermal insulation layer.
Preferably, the madial wall of first perforate and the 3rd perforate is both provided with silencing cotton.
In the present invention, by setting damping, the vibrations of hush pipe during diesel engine use can be reduced, hush pipe
Vibrations are smaller, and the noise of generation will reduce, and when the tail gas of diesel engine is drained into hush pipe, a part of acoustic energy can pass through through hole
Friction with gas vent and change into thermal energy consumption and dissipate, the inner wall of hush pipe is provided with thermal insulation layer so that the temperature of noise reduction pipe outer wall
For degree less than the temperature of noise reduction inside pipe wall, so as to reduce security risk, practicability is stronger, is worth promoting.
Description of the drawings
Fig. 1 is a kind of structure diagram of diesel engine silencer proposed by the present invention；
Fig. 2 is the structure diagram at A in a kind of diesel engine silencer proposed by the present invention.
In figure：1 connecting rod, 2 air inlet pipe, 3 gas vents, 4 hush pipes, 5 through holes, 6 sound panels, 7 exhaust pipes, 8 positioning plates, 9
Sliding slot, 10 sliding blocks, 11 fixed cylinders, 12 through holes, 13 spring levers, 14 partition plates, 15 automobile chassises.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.
With reference to Fig. 1-2, a kind of diesel engine silencer, the hush pipe 4 including being arranged on 15 lower section of automobile chassis, hush pipe 4
Damping is provided between automobile chassis 15, the upper and lower ends setting of 4 inner wall one side of hush pipe is both provided with the first perforate,
Exhaust pipe 7 is interspersed in first perforate, the both ends of exhaust pipe 7 extend inside and outside hush pipe 4 respectively, exhaust pipe 7 and
The madial wall of one perforate is fixedly connected, and the positioning plate 8 being vertically arranged, the inside of positioning plate 8 and hush pipe 4 are equipped in hush pipe 4
Wall is fixedly connected, and the second perforate corresponding with 7 position of exhaust pipe is provided on positioning plate 8, and exhaust pipe 7 is located inside hush pipe 4
One end through the second perforate and being fixedly connected with the madial wall of the second perforate, multiple through holes 5 are additionally provided on positioning plate 8, are disappeared
4 inner wall of sound tube is provided with the 3rd perforate at the center away from the first perforate one side, and air inlet pipe 2, air inlet are interspersed in the 3rd perforate
The both ends of pipe 2 extend inside and outside hush pipe 4 respectively, and air inlet pipe 2 is fixedly connected with the madial wall of the 3rd perforate, positioning plate
It is provided at the center of 8 sides and is located at one end inside hush pipe 4 through the with 2 corresponding 4th perforate of air inlet pipe, air inlet pipe 2
Four perforates are simultaneously fixedly connected with the madial wall of the 4th perforate, and air inlet pipe 2, which is located on the outer wall inside hush pipe 4, is provided with multiple rows
Stomata 3 is provided with and 2 corresponding sound arrester of air inlet pipe in hush pipe 4.
In the present invention, damping includes two fixed cylinders 11, and two fixed cylinders 11 are fixed on the lower section of automobile chassis 15,
Hole 12 is provided through in fixed cylinder 11 at the center of bottom, partition plate 14, partition plate 14 and automobile chassis are provided in fixed cylinder 11
Multiple spring levers 13 are connected between 15, partition plate 14 and the madial wall of fixed cylinder 11 are slidably connected, at the center of 14 lower section of partition plate
Connecting rod 1 is fixedly connected with, the lower end of connecting rod 1, which extends outside fixed cylinder 11 through through hole 12 and fixed with hush pipe 4, to be connected
It connects, two connecting rods 1 are symmetricly set on the both sides of 4 top of hush pipe, can reduce hush pipe 4 during diesel engine use
Vibrations, the vibrations of hush pipe 4 are smaller, and the noise of generation will reduce, and the both sides of partition plate 14 are both provided with sliding block 10, sliding slot 9
Madial wall be provided with 10 corresponding sliding slot 9 of sliding block, prevent horizontal jitter while partition plate 14 slides up and down in fixed cylinder 11,
Sound arrester includes sound panel 6, and sound panel 6 is arranged in air inlet pipe 2, and sound panel 6 is fixedly connected with the madial wall of hush pipe 4,
Multiple through holes 5 are also equipped on sound panel 6, a part of acoustic energy is dissipated by the friction with multiple through holes 5 to be converted into thermal energy consumption,
The inner wall of hush pipe 4 is provided with thermal insulation layer so that the temperature of 4 outer wall of hush pipe is less than the temperature of its inner wall, so as to reduce safety
The madial wall of hidden danger, the first perforate and the 3rd perforate is both provided with silencing cotton, and noise can pass through the first perforate and the 3rd tapping
It propagates, sets silencing cotton that can reduce a part of noise.
In the present invention, one end that air inlet pipe 2 is located at outside hush pipe 4 is connected on the exhaust pipe of diesel engine first, bavin
The tail gas of oil machine discharge is drained into the inside of hush pipe 4 by one end that air inlet pipe 2 is located inside hush pipe 4, is set in hush pipe 4
Sound panel 6 is equipped with, a part of acoustic energy is rubbed by the gas vent 3 set in the through hole 5 with being set on sound panel 6 and air inlet pipe 2
And change into thermal energy consumption and dissipate, so as to reduce noise, the inner wall of hush pipe 4 is provided with thermal insulation layer so that the temperature of 4 outer wall of hush pipe
Degree is less than the temperature of 4 inner wall of hush pipe, and in use, the vibrations of hush pipe 4 can also generate certain noise, in hush pipe
Set damping that can reduce the vibrations of hush pipe 4 between 4 and automobile chassis 15, the vibrations of hush pipe 4 are smaller, the noise of generation
It will reduce.
More than, it is merely preferred embodiments of the present invention, but protection scope of the present invention is not limited thereto, and it is any
Those familiar with the art in the technical scope disclosed by the present invention, technique according to the invention scheme and its invention
Design is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of diesel engine silencer, including being arranged on automobile chassis（15）The hush pipe of lower section（4）, which is characterized in that it is described
Hush pipe（4）With automobile chassis（15）Between be provided with damping, the hush pipe（4）The upper and lower ends of inner wall one side are set
The first perforate is both provided with, exhaust pipe is interspersed in first perforate（7）, the exhaust pipe（7）Both ends respectively to noise reduction
Pipe（4）Inside and outside extend, the exhaust pipe（7）It is fixedly connected with the madial wall of the first perforate, the hush pipe（4）Inside set
There is the positioning plate being vertically arranged（8）, the positioning plate（8）With hush pipe（4）Madial wall be fixedly connected, the positioning plate（8）
On be provided with and exhaust pipe（7）Corresponding second perforate in position, the exhaust pipe（7）Positioned at hush pipe（4）It wears internal one end
It crosses the second perforate and is fixedly connected with the madial wall of the second perforate, the positioning plate（8）On be additionally provided with multiple through holes（5）, institute
State hush pipe（4）Inner wall is provided with the 3rd perforate at the center away from the first perforate one side, be interspersed in the 3rd perforate into
Tracheae（2）, the air inlet pipe（2）Both ends respectively to hush pipe（4）Inside and outside extend, the air inlet pipe（2）With the 3rd
The madial wall of perforate is fixedly connected, the positioning plate（8）It is provided at the center of side and air inlet pipe（2）Corresponding 4th opens
Hole, the air inlet pipe（2）Positioned at hush pipe（4）Company is fixed in internal one end through the 4th perforate and with the madial wall of the 4th perforate
It connects, the air inlet pipe（2）Positioned at hush pipe（4）Multiple gas vents are provided on internal outer wall（3）, the hush pipe（4）It is interior
It is provided with and air inlet pipe（2）Corresponding sound arrester.
2. a kind of diesel engine silencer according to claim 1, which is characterized in that the damping includes two fixations
Cylinder（11）, two fixed cylinders（11）It is fixed on automobile chassis（15）Lower section, the fixed cylinder（11）The center of interior bottom
Place is provided through hole（12）, the fixed cylinder（11）Inside it is provided with partition plate（14）, the partition plate（14）And automobile chassis（15）
Between be connected with multiple spring levers（13）, the partition plate（14）With fixed cylinder（11）Madial wall be slidably connected, the partition plate
（14）Connecting rod is fixedly connected at the center of lower section（1）, the connecting rod（1）Lower end run through through hole（12）To fixed cylinder
（11）Outer extension and and hush pipe（4）It is fixedly connected, two connecting rods（1）It is symmetricly set on hush pipe（4）The two of top
Side.
A kind of 3. diesel engine silencer according to claim 2, which is characterized in that the partition plate（14）Both sides be respectively provided with
There is sliding block（10）, the sliding slot（9）Madial wall be provided with and sliding block（10）Corresponding sliding slot（9）.
4. a kind of diesel engine silencer according to claim 1, which is characterized in that the sound arrester includes sound panel
（6）, the sound panel（6）It is arranged on air inlet pipe（2）On, the sound panel（6）With hush pipe（4）Madial wall be fixedly connected,
The sound panel（6）On be also equipped with multiple through holes（5）.
A kind of 5. diesel engine silencer according to claim 1, which is characterized in that the hush pipe（4）Inner wall set
There is thermal insulation layer.
6. a kind of diesel engine silencer according to claim 1, which is characterized in that first perforate and the 3rd perforate
Madial wall is both provided with silencing cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810116338.1A CN108104903A (en) | 2018-02-06 | 2018-02-06 | A kind of diesel engine silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810116338.1A CN108104903A (en) | 2018-02-06 | 2018-02-06 | A kind of diesel engine silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108104903A true CN108104903A (en) | 2018-06-01 |
Family
ID=62221860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810116338.1A Pending CN108104903A (en) | 2018-02-06 | 2018-02-06 | A kind of diesel engine silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108104903A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108979821A (en) * | 2018-09-07 | 2018-12-11 | 爱驰威汽车零部件（盐城）有限公司 | A kind of stable type mobile muffler facilitating installation |
| CN112664738A (en) * | 2019-10-16 | 2021-04-16 | 青岛经济技术开发区海尔热水器有限公司 | Air inlet and exhaust device |
| CN113153506A (en) * | 2021-05-25 | 2021-07-23 | 佛吉亚(柳州)排气控制技术有限公司 | Automobile silencer structure convenient to disassemble and assemble |
-
2018
- 2018-02-06 CN CN201810116338.1A patent/CN108104903A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108979821A (en) * | 2018-09-07 | 2018-12-11 | 爱驰威汽车零部件（盐城）有限公司 | A kind of stable type mobile muffler facilitating installation |
| CN108979821B (en) * | 2018-09-07 | 2023-05-30 | 爱驰威汽车零部件（盐城）有限公司 | Stable automobile muffler convenient to install |
| CN112664738A (en) * | 2019-10-16 | 2021-04-16 | 青岛经济技术开发区海尔热水器有限公司 | Air inlet and exhaust device |
| CN113153506A (en) * | 2021-05-25 | 2021-07-23 | 佛吉亚(柳州)排气控制技术有限公司 | Automobile silencer structure convenient to disassemble and assemble |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180601 |