CN210977635U - High-strength silencer - Google Patents
High-strength silencer Download PDFInfo
- Publication number
- CN210977635U CN210977635U CN202021002453.5U CN202021002453U CN210977635U CN 210977635 U CN210977635 U CN 210977635U CN 202021002453 U CN202021002453 U CN 202021002453U CN 210977635 U CN210977635 U CN 210977635U
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- Prior art keywords
- muffler
- silencer
- groove
- spout
- grooves
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- 230000003584 silencer Effects 0.000 title claims description 38
- 230000030279 gene silencing Effects 0.000 claims description 27
- 238000001228 spectrum Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 239000000203 mixture Substances 0.000 abstract description 3
- 230000003014 reinforcing effect Effects 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
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- Exhaust Silencers (AREA)
Abstract
The utility model relates to a muffler field especially discloses a high strength muffler, including the muffler shell, the inside wall of muffler shell evenly is equipped with the spout along its circumference direction, spout one side be equipped with the intercommunication groove that the spout is linked together, be equipped with in the spout with the slide bar that spout and intercommunication groove suited, the slide bar is kept away from intercommunication groove one side with be provided with auxiliary spring between the spout inner wall. The utility model provides a high strength muffler, it is provided with multichannel acoustical panel, can move the frequency spectrum of jet-propelled noise to high frequency or hyperfrequency according to the bloop on the acoustical panel, reduce the audible sound composition, and simultaneously, the acoustical panel passes through the slide bar and slides the setting, and when the air current reinforcing, compressible auxiliary spring makes inside muffler, air channel and spread groove be linked together to this comes the dispersed air current to enter into different acoustical panel spaces, strengthens the adaptability of muffler, improves the noise cancelling effect of muffler.
Description
Technical Field
The utility model relates to a muffler technical field especially relates to a high strength muffler.
Background
The silencer is a silencer which can attenuate or reflect the noise in the pipeline by using noise reduction devices such as pipelines and elbows with sound absorption linings or pipelines with suddenly changed sectional areas and other discontinuous acoustic impedances for the airflow pipeline with noise transmission, and can be divided into a resistive silencer, a reactive silencer and an impedance composite silencer, but the existing silencer has certain problems in use.
The silencer falls makes an uproar to the air current pipeline, for example the blast pipe etc. of car, motorcycle etc. but the inside silencing equipment of current silencer all is fixed unadjustable mostly, when meetting the car and increasing throttle displacement increase, the silencer noise cancelling effect at this moment will obviously reduce.
Accordingly, a high-strength muffler which can be adjusted by itself according to the amount of exhaust gas is proposed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that a high strength muffler is provided, solve the above-mentioned problem that current muffler exists when in-service use to the muffler can adjust by oneself along with the condition when reaching the displacement increase, improves the purpose of muffler noise cancelling effect.
The utility model provides a technical scheme that above-mentioned technical problem adopted is: the utility model provides a high strength muffler, includes the muffler shell, the inside wall of muffler shell evenly is equipped with the spout along its circumference direction, spout one side be equipped with the intercommunication groove that the spout is linked together, be equipped with in the spout with the slide bar that spout and intercommunication groove suited, the slide bar is kept away from intercommunication groove one side with be provided with auxiliary spring between the spout inner wall, the inside air channel that is equipped with of slide bar, the slide bar inboard evenly be equipped with the intercommunication groove with the inside spread groove that is linked together of muffler shell, just the spread groove with the air channel is linked together.
The silencer shell is internally provided with at least two silencing plates connected with the sliding rod, the silencing plates are matched with the inner wall of the silencer shell, the silencing plates are located between the two connecting grooves, and silencing holes are formed in the silencing plates.
Preferably, the thickness of the silencer plate is gradually reduced towards the side far away from the communication groove.
Preferably, the silencing holes in the silencing plate are gradually reduced in the straight radial direction away from one side of the communication groove.
Preferably, the number of the sound-absorbing holes on the sound-absorbing plate gradually increases towards the side far away from the communicating groove.
Preferably, the connecting groove is an inclined structure which is inclined inwards in a direction away from the communication groove.
Preferably, the sound-absorbing plate is connected with the inner side of the sliding rod, and the sound-absorbing plate is attached to the inner wall of the shell of the silencer.
Compared with the prior art, the technical scheme of the utility model has following advantage.
1. The utility model provides a high strength muffler, it is provided with multichannel acoustical panel, can move the frequency spectrum of jet-propelled noise to high frequency or hyperfrequency according to the sound attenuation hole on the acoustical panel, reduce the audible sound composition, and simultaneously, the acoustical panel passes through the slide bar and slides the setting, and when the air current reinforcing, compressible auxiliary spring makes inside muffler, air channel and spread groove be linked together to this disperses the air current and enters into different acoustical panel spaces, strengthens the adaptability of muffler, improves the noise cancelling effect of muffler.
2. The utility model provides a high strength muffler, it is provided with multichannel acoustical panel, and the acoustical panel thickness is different with the sound attenuation hole size on the acoustical panel to this moves the frequency spectrum of jet-propelled noise towards high frequency or hyperfrequency gradually, and makes the audible sound composition in the frequency spectrum obviously reduce, thereby noise reduction has improved the noise cancelling effect of muffler to people's influence.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic diagram of the internal structure of the present invention.
Fig. 3 is a partially enlarged view of a portion a of fig. 2 according to the present invention.
Wherein: 1 silencer shell, 2 chutes, 3 communicating grooves, 4 sliding rods, 5 auxiliary springs, 6 vent grooves, 7 connecting grooves, 8 silencing plates and 9 silencing holes.
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.
Referring to fig. 1 to 3, the multi-channel sound-absorbing plate 8 can be moved according to the increase of the jet air flow, and the best position is adjusted, the utility model provides a technical scheme is: a high-strength silencer comprises a silencer shell 1, wherein the inner side wall of the silencer shell 1 is uniformly provided with sliding grooves 2 along the circumferential direction, one side of each sliding groove 2 is provided with a communicating groove 3 communicated with the corresponding sliding groove 2, a sliding rod 4 matched with the corresponding sliding groove 2 and the corresponding communicating groove 3 is arranged in each sliding groove 2, an auxiliary spring 5 is arranged between one side of each sliding rod 4, away from the corresponding communicating groove 3, and the inner wall of each sliding groove 2, a vent groove 6 is arranged inside each sliding rod 4, connecting grooves 7 communicated with the corresponding communicating groove 3 and the inside of the silencer shell 1 are uniformly arranged on the inner sides of the sliding rods 4, the connecting grooves 7 are communicated with the vent grooves 6, and the connecting grooves 7 are of an inclined structure which is; at specific during operation, when meetting the jet-propelled volume of blast pipes such as car and increasing, the air current meets first layer acoustical panel 8 and is obstructed unable whole discharge, jet air current converts kinetic energy extrusion auxiliary spring 5 and drives whole slide bar 4 and remove this moment, along with the removal of slide bar 4, spread groove 7, vent groove 6 and the inside intercommunication of amortization shell, stronger jet air current can be through spout 2 this moment, spread groove 7, enter into vent groove 6, and from vent groove 6 through the spread groove 7 entering into different acoustical panel 8 working ranges of back row, the exhaust hole area of muffler has been increased temporarily along with the increase of displacement, and carry the 8 working ranges of back row acoustical panel with exhaust jet air current and carry out the noise reduction treatment, thereby greatly increased the adaptability of whole muffler, when also having improved jet air current and increasing, the noise cancelling effect of muffler.
Referring to fig. 2, the multi-channel silencer performs noise reduction, at least two silencing boards 8 connected with the sliding rod 4 are arranged inside the silencer shell 1, the silencing boards 8 are adapted to the inner wall of the silencer shell 1, the silencing boards 8 are located between two connecting grooves 7, the silencing boards 8 are connected with the inner side of the sliding rod 4, the silencing boards 8 are attached to the inner wall of the silencer shell 1, and silencing holes 9 are formed in the silencing boards 8.
The thickness of the sound-absorbing plate 8 is gradually reduced towards one side far away from the communicating groove 3, the diameter of the sound-absorbing holes 9 in the sound-absorbing plate 8 is gradually reduced towards one side far away from the communicating groove 3, and the number of the sound-absorbing holes 9 in the sound-absorbing plate 8 is gradually increased towards one side far away from the communicating groove 3; when the silencer works specifically, a plurality of silencing plates 8 are arranged in the whole silencer, the working ranges of the different silencing plates 8 are matched with the connecting grooves 7, in the noise reduction process, the frequency spectrum of the jet airflow is increased once every time when the jet airflow passes through one silencing plate 8 until the jet airflow is finally discharged, the frequency spectrum of the jet airflow enters high frequency or ultrahigh frequency, audible components in the frequency spectrum are obviously reduced, and the purpose of reducing noise is achieved.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. A high strength muffler comprising a muffler shell (1), characterized in that: the silencer is characterized in that sliding grooves (2) are uniformly formed in the inner side wall of the silencer shell (1) along the circumferential direction of the silencer shell, a communicating groove (3) communicated with the sliding grooves (2) is formed in one side of each sliding groove (2), sliding rods (4) matched with the sliding grooves (2) and the communicating grooves (3) are arranged in the sliding grooves (2), an auxiliary spring (5) is arranged between one side, away from the communicating groove (3), of each sliding rod (4) and the inner wall of each sliding groove (2), a vent groove (6) is formed in each sliding rod (4), connecting grooves (7) communicated with the communicating grooves (3) and the interior of the silencer shell (1) are uniformly formed in the inner sides of the sliding rods (4), and the connecting grooves (7) are communicated with the vent grooves (6);
the silencer shell (1) is internally provided with at least two silencing plates (8) connected with the sliding rod (4), the silencing plates (8) are adapted to the inner wall of the silencer shell (1), the silencing plates (8) are located between the two connecting grooves (7), and silencing holes (9) are formed in the silencing plates (8).
2. A high strength silencer according to claim 1 wherein: the thickness of the sound-absorbing plate (8) is gradually reduced towards one side far away from the communicating groove (3).
3. A high strength silencer according to claim 1 wherein: the diameter of the sound-absorbing hole (9) in the sound-absorbing plate (8) is gradually reduced towards the side far away from the communicating groove (3).
4. A high strength silencer according to claim 1 wherein: the number of the silencing holes (9) in the silencing plate (8) is gradually increased towards one side far away from the communicating groove (3).
5. A high strength silencer according to claim 1 wherein: the connecting groove (7) is of an inclined structure which is arranged in an inward inclined mode in the direction away from the communicating groove (3).
6. A high strength silencer according to claim 1 wherein: the sound-absorbing plate (8) is connected with the inner side of the sliding rod (4), and the sound-absorbing plate (8) is attached to the inner wall of the silencer shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021002453.5U CN210977635U (en) | 2020-06-04 | 2020-06-04 | High-strength silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021002453.5U CN210977635U (en) | 2020-06-04 | 2020-06-04 | High-strength silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210977635U true CN210977635U (en) | 2020-07-10 |
Family
ID=71446755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021002453.5U Expired - Fee Related CN210977635U (en) | 2020-06-04 | 2020-06-04 | High-strength silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210977635U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112483432A (en) * | 2020-11-09 | 2021-03-12 | 上海浦灵慧环保工程有限公司 | Low-noise centrifugal draught fan |
-
2020
- 2020-06-04 CN CN202021002453.5U patent/CN210977635U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112483432A (en) * | 2020-11-09 | 2021-03-12 | 上海浦灵慧环保工程有限公司 | Low-noise centrifugal draught fan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200710 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |