CN201347785Y - Muffler with impeller blade - Google Patents
Muffler with impeller blade Download PDFInfo
- Publication number
- CN201347785Y CN201347785Y CNU2008201713275U CN200820171327U CN201347785Y CN 201347785 Y CN201347785 Y CN 201347785Y CN U2008201713275 U CNU2008201713275 U CN U2008201713275U CN 200820171327 U CN200820171327 U CN 200820171327U CN 201347785 Y CN201347785 Y CN 201347785Y
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- CN
- China
- Prior art keywords
- impeller blade
- impeller
- anechoic room
- inner bag
- blade
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Abstract
The utility model discloses a muffler with an impeller blade, which comprises an anechoic chamber. The front end of the anechoic chamber is provided with a mounting head and is connected with the exhaust end of an engine through the mounting head; the inside of the anechoic chamber is provided with a liner with an opening at each end to form a gas channel through the anechoic chamber; the outer wall of the liner and the inner wall of the anechoic chamber form an isolation cavity; the liner is provided with two or more than two impeller blades in the axial direction thereof; the inside of the liner is provided with an impeller blade lancing corresponding to the position of the impeller blades; the impeller blade lancing is arranged along the circumferential direction of the liner; the inside of the anechoic chamber is provided with impeller blade hooks; the diameter of the impeller blades is larger than the diameter of the liner; the blades of the impeller blades penetrates through the impeller blade lancing and are then fixedly arranged in the anechoic chamber through the impeller blade hooks; the bottom of the anechoic chamber is provided with an oil leakage groove which penetrates through the anechoic chamber; and the impeller blade lancing, the impeller blade hooks and the oil leakage groove are arranged on the identical straight line. The exhaust flows into the liner of the muffler through the mounting head, and is then reflected, impacted and depressurized to be muffled in the muffling area between a plurality of impeller blades, thereby providing the existing muffler with better muffling effects.
Description
Technical field
The utility model relates to a kind of accessory that is applicable to the vent systems that cooperates the explosive motor use, is specifically related to a kind of silencing apparatus that has impeller blade.
Background technique
Explosive motor through updating and developing, has become fairly perfect machinery since coming out the sixties in 19th century.Wide, the supporting convenience of its thermal efficiency height, power and speed range, mobility are good, so obtained to use widely.The various types of automobiles in the whole world, tractor, farm machinery, engineering machinery all are motor basically with the internal-combustion engine.Rank first in dynamic power machine with the recoverable amount of internal-combustion engine as motor in the world, it occupies important status in mankind's activity.
Explosive motor at work, can produce the gas of High Temperature High Pressure, if gas is by directly discharging in the explosive motor, the unexpected puffing of high-temperature gas, can cause very big noise, therefore, existing is the motive power machine equipment of motor with the internal-combustion engine, exhaust end at motor all is equipped with silencing apparatus, the High Temperature High Pressure waste gas that motor produces enters in the silencing apparatus, enters atmosphere, the silencing apparatus of existing internal combustion after eliminating its bigger noise by silencing apparatus, difference according to its working principle, mainly be divided into the formula of turning back and orifice plate adsorption type two classes, the formula of turning back i.e. some reflecting plates by being provided with in the silencing apparatus, and the High Temperature High Pressure waste gas that motor is produced turns back therein, reflection is slowed down, thereby reduce waste gas air pressure, reach the effect of sound-deadening and noise-reducing; The orifice plate adsorption type then is to be provided with the some adsorption boards that have through hole on the silencer internal wall face, reduces the noise that engine exhaust emission produces in the hope of the flow-disturbing effect by through hole.But the silencing apparatus of above-mentioned two kinds of structures all has some defectives at present, that is: in order to make noise reduction meet technical requirements, must guarantee High Temperature High Pressure waste gas sufficiently long distance of process in silencing apparatus, therefore silencing apparatus length is all long, this can increase aerodynamical resistance undoubtedly, causes the energy consumption of motor to strengthen; And because the impossible absolutely after-flame of engine internal fuel, not clean-burning oil plant must have part along with tail gas enters in the silencing apparatus, after long-term the use, can make the interior oil plant of piling up of silencing apparatus solidify the accumulated slag of formation, influence the using effect and the exhaust performance of silencing apparatus.
Summary of the invention:
Goal of the invention of the present utility model, be at existing silencing apparatus because of its structural characteristics, cause muffler volume bigger, cause that easily the motor energy consumption increases, the defective that the noise elimination effect is desirable has not to the utmost proposed a kind of silencing apparatus that has impeller blade, adopts this silencing apparatus can be in less relatively space, the noise elimination effect of realizing ideal, can be good at cooperating be applicable to motor vehicle etc. to spatial requirement than using on the higher equipment that has motor; And this silencing apparatus can reduce greatly with tail gas and enters the accumulation of unburned oil plant in silencing apparatus in the silencing apparatus, and the exhaust of having avoided long-term use rear muffler internal cause accumulated slag to pile up causing is smooth, the defective of silencing apparatus decreased performance.
For achieving the above object, the technical solution used in the present invention is:
A kind of silencing apparatus that has impeller blade, comprise anechoic room, the front end of described anechoic room is provided with the installation head, described anechoic room is connected with the exhaust end of motor by head is installed, being provided with two ends in the described anechoic room is the air flue of the inner bag of opening with formation perforation anechoic room, constitute separate space between described inner bladder outer wall and described anechoic room inwall, be axially arranged with two or more impeller blades along it in the described inner bag.
Further, the position corresponding with impeller blade has the blade joint-cutting in the described inner bag, described blade joint-cutting is offered along the circumferencial direction of described inner bag, also be provided with the impeller blade hook in the described anechoic room, the diameter of described impeller blade is greater than the diameter of described inner bag, and the blade of described impeller blade passes the blade joint-cutting and realizes fixing in anechoic room by the impeller blade hook.
Further, described anechoic room bottom has the leakage of oil groove that connects the anechoic room wall, and described blade joint-cutting, impeller blade hook are located along the same line with the leakage of oil groove.
Further, all leave certain distance between described any two adjacent impeller blades to constitute the zone of eliminating the noise.
Further, described impeller blade quantity is three, and described three impeller blades axially equidistantly are arranged in the described inner bag according to described inner bag.
Further, the inner bag of described silencing apparatus is concentric with described impeller blade.
Also be provided with changeover portion trapezoidal or that class is trapezoidal between further described anechoic room and the described installation head.
Further, the outer wall thickness of described anechoic room is more than or equal to 1.1mm.
The beneficial effects of the utility model are:
1, silencing apparatus of the present utility model inside is provided with inner bag, the inner bag upper edge is axially arranged with the plurality of impeller sheet, the tail gas of High Temperature High Pressure is after the engine exhaust end is discharged, by being installed, head enters in the inner bag of silencing apparatus, and in inner bag via noise elimination zone between plurality of impeller sheet and impeller blade reflect, collision and step-down eliminate the noise, and makes its more existing silencing apparatus have the effect of eliminating the noise better.
2, blade joint-cutting of the present utility model and leakage of oil groove are on same straight line, the unburnt oil plant that accumulates on the blade can be discharged from inner bag by the blade joint-cutting after discharged by the bottom of silencing apparatus outer wall by the leakage of oil groove, prevented the accumulation of the waste residue that oil plant forms, thereby avoided the silencing apparatus that therefore causes in use for some time acoustic attenuation performance descend, the motor energy consumption increases, the problem that engine efficiency descends,
Description of drawings:
Fig. 1 is a kind of structural representation that has the silencing apparatus of impeller blade of the utility model;
Fig. 2 is the schematic representation of the utility model silencing apparatus and inner bag cross section.
Embodiment:
Below in conjunction with accompanying drawing the present invention is further specified:
As shown in Figure 1, 2, a kind of silencing apparatus that has impeller blade, comprise anechoic room 1, the front end of described anechoic room 1 is provided with installs 11, described anechoic room 1 is connected with the exhaust end of motor by installing 11, being provided with two ends in the described anechoic room 1 is the air flue of the inner bag 2 of opening with formation perforation anechoic room 1, constitutes separate space between described inner bag 2 outer walls and described anechoic room 1 inwall, is axially arranged with two or more impeller blades 3 along it in the described inner bag 2.Position corresponding with impeller blade 3 in the described inner bag 2 has blade joint-cutting 21, described blade joint-cutting 21 is offered along the circumferencial direction of described inner bag 2, also be provided with impeller blade hook 13 in the described anechoic room 1, the diameter of described impeller blade 3 is greater than the diameter of described inner bag 2, and the blade of described impeller blade 3 passes blade joint-cutting 21 and realizes fixing in anechoic room 1 by impeller blade hook 13.
Described anechoic room 1 bottom has the leakage of oil groove 31 that connects anechoic room 1 wall, and described blade joint-cutting 21, impeller blade hook 13 are located along the same line with leakage of oil groove 31.All leave certain distance between described any two adjacent impeller blades 3 to constitute the zone of eliminating the noise.The inner bag 2 of described silencing apparatus is concentric with described impeller blade 31.Also be provided with changeover portion 12 trapezoidal or that class is trapezoidal between described anechoic room and the described installation 11.The outer wall thickness of described anechoic room 1 is more than or equal to 1.1mm.
In the utility model, preferred embodiment, described impeller blade 3 quantity are three, described three impeller blades 3 axially equidistantly being arranged in the described inner bag 2 according to described inner bag 2.
In use, because anechoic room of the present utility model inside is provided with inner bag 2, inner bag 2 upper edges are axially arranged with plurality of impeller sheet 3, the tail gas of High Temperature High Pressure is after the engine exhaust end is discharged, enter in the inner bag 2 of silencing apparatus by installing 11, and in inner bag 2 via plurality of impeller sheet 3 and 3 noise elimination zones of impeller blade reflect, collision and step-down eliminate the noise, and makes its more existing silencing apparatus have the effect of eliminating the noise better.And blade joint-cutting 21 of the present utility model and leakage of oil groove 31 are on same straight line, the unburnt oil plant that accumulates on the impeller blade 3 can be discharged from inner bag 2 by blade joint-cutting 21 after discharged by the bottom of silencing apparatus outer wall by leakage of oil groove 31, prevented the accumulation of the waste residue that oil plant forms, thereby avoided the silencing apparatus that therefore causes in use for some time acoustic attenuation performance descend, the motor energy consumption increases, the problem that engine efficiency descends,
What must note is, embodiment only is to of the present utility model further specifying and non-limiting, and any employing invention spirit of the present utility model and only structure of the present utility model is made simple transformation is still in protection domain of the present utility model.
Claims (8)
1, a kind of silencing apparatus that has impeller blade, comprise anechoic room (1), the front end of described anechoic room (1) is provided with installs head (11), described anechoic room (1) is connected with the exhaust end of motor by head (11) is installed, be provided with the inner bag that two ends are opening (2) in the described anechoic room (1) to constitute the air flue that connects anechoic room (1), constitute separate space between described inner bag (2) outer wall and described anechoic room (1) inwall, it is characterized in that: be axially arranged with two or more impeller blades (3) along it in the described inner bag (2).
2, a kind of silencing apparatus that has impeller blade according to claim 1, it is characterized in that: the position corresponding with impeller blade (3) has blade joint-cutting (21) in the described inner bag (2), described blade joint-cutting (21) is offered along the circumferencial direction of described inner bag (2), also be provided with impeller blade hook (13) in the described anechoic room (1), the diameter of described impeller blade (3) is greater than the diameter of described inner bag (2), and the blade of described impeller blade (3) passes blade joint-cutting (21) and realizes fixing by impeller blade hook (13) in anechoic room (1).
3, a kind of silencing apparatus that has impeller blade according to claim 1, it is characterized in that: described anechoic room (1) bottom has the leakage of oil groove (31) that connects anechoic room (1) wall, and described blade joint-cutting (21), impeller blade hook (13) are located along the same line with leakage of oil groove (31).
4, a kind of silencing apparatus that has impeller blade according to claim 1 and 2 is characterized in that: all leave certain distance between described any two adjacent impeller blades (3) to constitute the zone of eliminating the noise.
5, according to claim 1 or 4 described a kind of silencing apparatuss that have impeller blade, it is characterized in that: described impeller blade (3) quantity is three, and described three impeller blades (3) axially equidistantly are arranged in the described inner bag (2) according to described inner bag (2).
6, a kind of silencing apparatus that has impeller blade according to claim 1, it is characterized in that: the inner bag of described silencing apparatus (2) is concentric with described impeller blade (3).
7, a kind of silencing apparatus that has impeller blade according to claim 1 is characterized in that: also be provided with changeover portion (12) trapezoidal or that class is trapezoidal between described anechoic room (1) and the described installation head (11).
8, a kind of silencing apparatus that has impeller blade according to claim 1, it is characterized in that: the outer wall thickness of described anechoic room (1) is more than or equal to 1.1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201713275U CN201347785Y (en) | 2008-12-22 | 2008-12-22 | Muffler with impeller blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201713275U CN201347785Y (en) | 2008-12-22 | 2008-12-22 | Muffler with impeller blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201347785Y true CN201347785Y (en) | 2009-11-18 |
Family
ID=41367255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201713275U Expired - Fee Related CN201347785Y (en) | 2008-12-22 | 2008-12-22 | Muffler with impeller blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201347785Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103306793A (en) * | 2013-06-21 | 2013-09-18 | 安徽理工大学 | Spiral-flow silencer |
| CN103982490A (en) * | 2014-05-21 | 2014-08-13 | 安徽江淮汽车股份有限公司 | Oil way noise reduction device and transmission oil way |
| CN111093727A (en) * | 2017-12-22 | 2020-05-01 | 多布罗斯拉夫·维克托罗维奇·乌达尔采夫 | Device for removing and collecting intestinal gas |
-
2008
- 2008-12-22 CN CNU2008201713275U patent/CN201347785Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103306793A (en) * | 2013-06-21 | 2013-09-18 | 安徽理工大学 | Spiral-flow silencer |
| CN103982490A (en) * | 2014-05-21 | 2014-08-13 | 安徽江淮汽车股份有限公司 | Oil way noise reduction device and transmission oil way |
| CN103982490B (en) * | 2014-05-21 | 2016-08-17 | 安徽江淮汽车股份有限公司 | A kind of oil circuit denoiser and variator oil circuit |
| CN111093727A (en) * | 2017-12-22 | 2020-05-01 | 多布罗斯拉夫·维克托罗维奇·乌达尔采夫 | Device for removing and collecting intestinal gas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Ningbo City Jiangbei Baolong Exhaust System Co., Ltd. Assignor: Jiang Zhiming Contract record no.: 2010330001282 Denomination of utility model: Muffler with impeller blade Granted publication date: 20091118 License type: Exclusive License Record date: 20100708 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091118 Termination date: 20161222 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |