CN104047677A - Cylinder exhaust pipe silencer - Google Patents
Cylinder exhaust pipe silencer Download PDFInfo
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- CN104047677A CN104047677A CN201410263110.7A CN201410263110A CN104047677A CN 104047677 A CN104047677 A CN 104047677A CN 201410263110 A CN201410263110 A CN 201410263110A CN 104047677 A CN104047677 A CN 104047677A
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- magnetic patch
- air
- slip magnetic
- arm
- anger
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Abstract
The invention provides a cylinder exhaust pipe silencer, comprising an air inlet main pipe, wherein two branch pipes are symmetrically branched to two sides from the air inlet main pipe; the two branch pipes are connected face to face and are combined into an air outlet main pipe; each branch pipe is provided with an air storage chamber close to the air outlet main pipe in a surrounding way, and the air storage chambers are communicated with the branch pipes by through holes in the pipe walls of the branch pipes; each branch pipe is internally provided with a slide magnetic block, the same poles of the two slide magnetic blocks are opposite, and when the two slide magnetic blocks are pressed with each other in the axis position of the air outlet main pipe, the side surfaces of the slide magnetic blocks block the air outlet main pipe, and air flow in each branch pipe can enter the corresponding air storage chamber; the two slide magnetic blocks repulse against each other, and enable the air flow behind each branch pipe to be isolated from the corresponding air storage chamber when oppositely retreating to limit rings in the branch pipes. By adopting the silencer, continuous pulse pressure in the exhaust process of an engine cylinder is nearly eliminated, so that air flow exhausted by the tail end of the silencer is stable and gentle, and exhaust noise is greatly reduced.
Description
Technical field
The present invention relates to silencing equipment field, especially, relate to a kind of silencing apparatus of eliminating the noise for cylinder exhaust pipe.
Background technique
In the exhaust process of motor car engine, continuous pulse pressure, this pulse gas high-speed punching exhaust mouth will be produced, its pressure and speed and ambient air differ greatly, will produce huge noise, therefore, baffler generally all need to be installed on engine exhaust pipe to reduce noise.
Current baffler mainly comprises the silencing cavity of a sealing, is provided with one section of hush pipe that is covered with through hole in this silencing cavity, and this hush pipe runs through described silencing cavity, one termination outlet pipe, and the other end leads to the external world; And, between described silencing cavity and hush pipe, fill quieter material, to promote erasure effect.
In fact, because described hush pipe is to connect continuously, therefore, on the path of hush pipe Axis Extension, exhaust resistance minimum, therefore, pulsing airflow in exhaust process, a larger part still directly pulse to external environment, and only some by the through hole on noise reduction tube wall, diffuse in silencing cavity, after interreflection, absorbed by quieter material.And practice also proves, current baffler, in the processes such as automobile acceleration, its actual erasure effect is unsatisfactory, need to constantly improve.
In view of above-mentioned reason, application number is 201210267691.2, and name is called the patent application of opposite-flushing type muffler, has proposed a kind of exhaust symmetry by outlet pipe and has been divided into two, then allowed bypassing exhaust mutually liquidate, to realize the scheme of pressure payment.But this technological scheme is in process of the test, technique effect is very insuperior; After analysis, think, its reason is, although in cylinder acting exhaust process, pressurized air all can produce a high pressure air mass each time, in the time of the positive collision of two high pressure air mass, if the compressed degree of high pressure air mass itself is little, these two high pressure air mass each other can be compressed easily, and be fused into a strong high pressure air mass; Therefore, the technological scheme that application number is 201210267691.2, in the time of motor full speed running, erasure effect is remarkable, and in the time of the low power output of motor, effect will obviously weaken, therefore, necessary making improvements, to obtain better soundproof effect.
Summary of the invention
For the problems referred to above, the object of the present invention is to provide a kind of cylinder exhaust muffler pipe, this silencing apparatus can approach the continuous impulse air pressure in cylinder exhaust process to eliminate, and the air-flow that silencing apparatus tail end is discharged is steadily gentle, reduces to a great extent exhaust noise.
The present invention solves the first technological scheme that its technical problem adopts: this cylinder exhaust muffler pipe comprises intake manifold, and this intake manifold distributes two arms to bilateral symmetry; Two described arms head-on join, and interflow is the house steward that gives vent to anger after joining; The axis of the described house steward's that gives vent to anger axis and described two arms is orthogonal; Each described arm near described in the house steward that gives vent to anger locate respectively around a gas storage chamber is set, between described gas storage chamber and arm, be communicated with by the through hole realization being opened on branch pipe wall; Described intake manifold, arm, the house steward that gives vent to anger form by non-ferromagnetic body; In described two arms, respectively establish one section of identical slip magnetic patch, two sections of described slip magnetic patch are relatively at the same level; And the size of slip magnetic patch has following features: when two sections of slip magnetic patch are in the time that the described house steward's of giving vent to anger axial location compresses mutually, and the house steward's shutoff of giving vent to anger of the side surface of slip magnetic patch, and air-flow in each described arm can enter in corresponding gas storage chamber; These two slip magnetic patch, under nature, repel mutually, recess dorsad to the limited ring place in arm, and now, slip magnetic patch makes the air-flow at arm rear isolate with corresponding gas storage chamber just.
As preferably, described intake manifold, arm, the house steward that gives vent to anger are made up of Austenitic Stainless Steel, have high strength, corrosion-resistant, high-temperature behavior, and not with magnet generation sucking action.
As preferably, high temperature resistant, a corrosion resistant elastic rubbery body has been sticked respectively on two sections of described slip magnetic patch end face facing each other; Thereby the elasticity while improving two sections of slip magnetic patch collisions.
As preferably, described slip magnetic patch surface offers continuous spiral chute, and this spiral chute make to slide air at magnetic patch two ends can be realized connection; The advantage of this structure characteristic is: in the time that the air-flow promotion slip magnetic patch at slip magnetic patch rear slides, sub-fraction air-flow enters spiral chute and flows, thereby slip magnetic patch is applied to a rotation torque, the magnetic patch that makes to slide can rotate in arm, to promote sliding axially of slip magnetic patch, be conducive to overcome the incrustation resistance in arm.
Beneficial effect of the present invention is: this cylinder exhaust muffler pipe in the course of the work, the every stroke of cylinder does work once, produce a pulse pressure, just be divided into two parts by two described arm symmetries, promote respectively one section of described slip magnetic patch, until the headon collision of two sections of slip magnetic patch, the kinetic energy of pulse pressure is converted to completely to the interior energy of slip magnetic patch; And the pulse pressure being obstructed enters in described gas storage chamber, become mitigation air-flow, when two sections of slip magnetic patch retreat after playback under repulsion effect, the air-flow in gas storage chamber is flowed into the house steward that gives vent to anger, and slowly discharges; For this silencing apparatus, regardless of motor operation conditions, discharge tail gas, must first make two described slip magnetic patch mutually collide, to unload the kinetic energy of pulse pressure, therefore, the air-flow that must make silencing apparatus tail end discharge is steadily gentle, possesses superior soundproof effect.
Brief description of the drawings
Fig. 1 is embodiment's schematic diagram of this cylinder exhaust muffler pipe.
Fig. 2 is in Fig. 1 embodiment, and arm is at the tube wall schematic diagram at gas storage chamber place.
Fig. 3 is Fig. 1 embodiment's working procedure schematic diagram.
Fig. 4 is in this cylinder exhaust muffler pipe, embodiment's schematic diagram of slip magnetic patch.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further described:
In the embodiment shown in Fig. 1, Fig. 2, this cylinder exhaust muffler pipe comprises intake manifold 1, and this intake manifold 1 distributes two arms 21,22 to bilateral symmetry; Described two arms 21,22 head-on join, and interflow is the house steward 3 that gives vent to anger after joining; The described house steward's 3 that gives vent to anger axis and the axis of described two arms are orthogonal; Each described arm 21,22 is given vent to anger house steward 3 places respectively around a gas storage chamber 211,221 is set described in close, between described gas storage chamber and arm, is communicated with by the through hole realization being opened on branch pipe wall 2110,2210; It should be noted in the discussion above that in Fig. 1, for the outstanding just branch pipe wall to gas storage chamber 211,221, this part tube wall 2110,2210 is drawn thinly compared with remaining part, in fact in working process, and for the purpose of facility, the each several part tube wall uniform thickness of arm 21,22.Wherein, arm 21,22 at the expansion schematic diagram of the tube wall 2110 at gas storage chamber 211 places as shown in Figure 2.
Described intake manifold 1, arm 21,22, the house steward 3 that gives vent to anger form by non-ferromagnetic body, as, Austenitic Stainless Steel, to avoid and magnet generation sucking action, and, there is high strength, corrosion-resistant, resistance to high temperature; Described two arms 21,22 are interior, and respectively to establish one section of identical 41,42, two sections of described slip magnetic patch of slip magnetic patch relatively at the same level; And the size of slip magnetic patch has following features: in the time that two sections of slip magnetic patch, 41,42 axial location the described house steward of giving vent to anger 3 compress mutually, house steward's 3 shutoff of giving vent to anger of the side surface of slip magnetic patch 41,42, and air-flow in each described arm 21,22 can enter in corresponding gas storage chamber 211,221; These two slip magnetic patch, under nature, repel mutually, recess dorsad to limited ring 212,222 places in arm, and now, slip magnetic patch 41,42 makes the air-flow at arm rear isolate with corresponding gas storage chamber just.
Above-mentioned cylinder exhaust muffler pipe, high temperature resistant, a corrosion resistant elastic rubbery body can be sticked respectively on two sections of described slip magnetic patch 41,42 end face facing each other; Thereby the elasticity while improving the collision of two sections of slip magnetic patch, has not only protected slip magnetic patch, suppresses cracked, and the quick resilience of the magnetic patch that is conducive to slide.
Above-mentioned cylinder exhaust muffler pipe, for described slip magnetic patch 41,42, an one preferred embodiment is, at slip magnetic patch, such as, slip magnetic patch 41 surfaces shown in Fig. 4, offer continuous spiral chute 410, this spiral chute 410 make to slide air at magnetic patch two ends can be realized connection; The advantage of this structure characteristic is: in the time that the air-flow promotion slip magnetic patch at slip magnetic patch 41 rears slides, sub-fraction air-flow enters spiral chute 410 and flows, thereby slip magnetic patch is applied to a rotation torque, the magnetic patch that makes to slide can rotate in arm,, sliding in the rotation limit, magnetic patch limit that makes to slide, with sliding axially of the magnetic patch that promotes to slide, is conducive to overcome the incrustation resistance in arm.
The working procedure of above-mentioned cylinder exhaust muffler pipe as shown in Figure 3, the every stroke of cylinder does work once, produce a pulse pressure, just be divided into two parts by two described arm 21,22 symmetries, push respectively one section of described slip magnetic patch 41,42 to, now, the position shown in the image of two sections of slip magnetic patch 41,42 leftmost sides in Fig. 3; After pulse pressure acts on slip magnetic patch, two sections of slip magnetic patch 41,42 headon collisions, the position shown in the image of centre in Fig. 3; By the head-on collision of slip magnetic patch 41,42, the kinetic energy of pulse pressure is converted to the interior energy of slip magnetic patch completely; And the pulse pressure being obstructed is illustrated as the arrow in image middle in Fig. 3, enter in described gas storage chamber 211,221, become mitigation air-flow; Then, two sections of slip magnetic patch 41,42 retreat playback under repulsion effect, the position shown in the image of the rightmost side in Fig. 3, and the air-flow in gas storage chamber 211,221 is able to be illustrated as curve arrow, flows into the house steward 3 that gives vent to anger, and slowly discharges; For this silencing apparatus, regardless of motor operation conditions, discharge tail gas, must first make two described slip magnetic patch 41,42 mutually collide, to unload the kinetic energy of pulse pressure, therefore, the air-flow that must make silencing apparatus tail end discharge is steadily gentle, possesses superior soundproof effect.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (4)
1. a cylinder exhaust muffler pipe, comprises intake manifold (1), and this intake manifold distributes two arms (21,22) to bilateral symmetry; Two described arms head-on join, and interflow is the house steward that gives vent to anger (3) after joining; The axis of the described house steward's that gives vent to anger (3) axis and described two arms (21,22) is orthogonal; It is characterized in that: each described arm near described in the house steward that gives vent to anger locate respectively around a gas storage chamber (211,221) is set, between described gas storage chamber (211,221) and arm (21,22), be communicated with by the through hole realization being opened on branch pipe wall; Described intake manifold (1), arm (21,22), the house steward that gives vent to anger (3) form by non-ferromagnetic body; In described two arms, respectively establish one section of identical slip magnetic patch (41,42), two sections of described slip magnetic patch are relatively at the same level; And the size of slip magnetic patch has following features: when two sections of slip magnetic patch (41,42) are in the time that the described house steward's of giving vent to anger (3) axial location compresses mutually, house steward (3) shutoff of giving vent to anger of the side surface of slip magnetic patch, and air-flow in each described arm can enter in corresponding gas storage chamber (211,221); These two slip magnetic patch are under nature, mutually repel, recess dorsad to the interior limited ring (212,222) of arm (21,22) and locate, now, slip magnetic patch (41,42) makes the air-flow at arm rear isolate with corresponding gas storage chamber (211,221) just.
2. cylinder exhaust muffler pipe according to claim 1, is characterized in that: described intake manifold (1), arm (21,22), the house steward that gives vent to anger (3) are made up of Austenitic Stainless Steel.
3. cylinder exhaust muffler pipe according to claim 1, is characterized in that: high temperature resistant, a corrosion resistant elastic rubbery body has been sticked respectively on two sections of described slip magnetic patch (41,42) end face facing each other.
4. according to the cylinder exhaust muffler pipe described in claim 1 or 3, it is characterized in that: described slip magnetic patch (41,42) surface offers continuous spiral chute, this spiral chute make to slide air at magnetic patch two ends can be realized connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410263110.7A CN104047677B (en) | 2014-06-14 | 2014-06-14 | Cylinder exhaust muffler pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410263110.7A CN104047677B (en) | 2014-06-14 | 2014-06-14 | Cylinder exhaust muffler pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104047677A true CN104047677A (en) | 2014-09-17 |
| CN104047677B CN104047677B (en) | 2016-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410263110.7A Active CN104047677B (en) | 2014-06-14 | 2014-06-14 | Cylinder exhaust muffler pipe |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000120425A (en) * | 1998-10-19 | 2000-04-25 | Futaba Industrial Co Ltd | Valve element structure of exhaust system |
| DE10251117A1 (en) * | 2002-11-02 | 2004-05-19 | Deutsche Montan Technologie Gmbh | Device to generate frequency spectrum in pipe in reciprocating piston engine has modified throttle plate with profiling and perforations to improve acoustic characteristics |
| US20070163533A1 (en) * | 2006-01-13 | 2007-07-19 | Denso Corporation | Intake muffler |
| KR20120060072A (en) * | 2010-12-01 | 2012-06-11 | 현대자동차주식회사 | Variable flow passage valve for muffler |
| CN102777234A (en) * | 2012-07-30 | 2012-11-14 | 苏州市伦琴工业设计有限公司 | Hedging type exhaust silencer |
| CN204003008U (en) * | 2014-06-14 | 2014-12-10 | 马根昌 | Cylinder exhaust muffler pipe |
-
2014
- 2014-06-14 CN CN201410263110.7A patent/CN104047677B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000120425A (en) * | 1998-10-19 | 2000-04-25 | Futaba Industrial Co Ltd | Valve element structure of exhaust system |
| DE10251117A1 (en) * | 2002-11-02 | 2004-05-19 | Deutsche Montan Technologie Gmbh | Device to generate frequency spectrum in pipe in reciprocating piston engine has modified throttle plate with profiling and perforations to improve acoustic characteristics |
| US20070163533A1 (en) * | 2006-01-13 | 2007-07-19 | Denso Corporation | Intake muffler |
| KR20120060072A (en) * | 2010-12-01 | 2012-06-11 | 현대자동차주식회사 | Variable flow passage valve for muffler |
| CN102777234A (en) * | 2012-07-30 | 2012-11-14 | 苏州市伦琴工业设计有限公司 | Hedging type exhaust silencer |
| CN204003008U (en) * | 2014-06-14 | 2014-12-10 | 马根昌 | Cylinder exhaust muffler pipe |
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| Publication number | Publication date |
|---|---|
| CN104047677B (en) | 2016-09-14 |
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| C14 | Grant of patent or utility model | ||
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Inventor after: Zhu Chun Inventor before: Ma Genchang |
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| COR | Change of bibliographic data | ||
| GR01 | Patent grant | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160823 Address after: 226600 Haian City, Jiangsu Province Town Industrial Park Applicant after: Jiangsu TianPeng Electromechanical Co., Ltd. Address before: 210000 Nanjing, Jiangsu Province, Yuhuatai District, software Avenue, No. 186 Applicant before: Ma Genchang |