CN216342383U - Novel silencer for general gasoline engine - Google Patents
Novel silencer for general gasoline engine Download PDFInfo
- Publication number
- CN216342383U CN216342383U CN202122819652.6U CN202122819652U CN216342383U CN 216342383 U CN216342383 U CN 216342383U CN 202122819652 U CN202122819652 U CN 202122819652U CN 216342383 U CN216342383 U CN 216342383U
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- China
- Prior art keywords
- vent
- pipe
- silencer
- sound
- disc
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- Expired - Fee Related
Links
- 230000003584 silencer Effects 0.000 title claims abstract description 59
- 230000001681 protective effect Effects 0.000 claims abstract description 16
- 238000009413 insulation Methods 0.000 claims abstract description 11
- 230000017525 heat dissipation Effects 0.000 claims description 5
- 239000002912 waste gas Substances 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 4
- 230000030279 gene silencing Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 9
- 230000008030 elimination Effects 0.000 description 4
- 238000003379 elimination reaction Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Exhaust Silencers (AREA)
Abstract
The utility model discloses a novel silencer for a general gasoline engine in the technical field of general gasoline engine accessories, which comprises a silencer body and a protective cover, wherein the protective cover is covered outside the silencer body, the lower end of the silencer body is provided with an exhaust pipe, the upper end of the silencer body is provided with an exhaust pipe, a first transverse sound-insulating disc and a second transverse sound-insulating disc are arranged inside the silencer body at intervals, a first vent pipe vertically penetrates through the first transverse sound-insulating disc, a second vent pipe vertically penetrates through the second transverse sound-insulating disc, a first vent hole is formed in the first transverse sound-insulating disc, a sound-deadening hole is formed in the side wall of the first vent pipe positioned on the lower side of the first transverse sound-insulating disc, and a second vent hole is formed in the second transverse sound-insulating disc; compared with the prior art, the silencer has the advantages that the inclined vent holes are formed in the transverse sound insulation disc, so that waste gas and noise can be reflected for multiple times in the silencer body, the silencing efficiency is higher, the noise reduction effect is better, the structure is simple, and the manufacturing is convenient.
Description
Technical Field
The utility model relates to the technical field of general gasoline engine accessories, in particular to a novel silencer for a general gasoline engine.
Background
At present, silencer on the traffic machine includes a safety cover, silencer body and installation pipe, be used for the exhaust of traffic machine, reduce the noise of traffic machine work, current silencer is inside to adopt a plurality of horizontal syllable-dividing dish more, wear to establish the breather pipe through staggering on a plurality of horizontal syllable-dividing dish, make waste gas discharge from the outlet duct after this internal multiple reflection of carrying out of silencer, because the reflection number of times of this kind of silencer body at inside waste gas is lower now, and all reflect along the direction of outlet duct and blast pipe, so there is noise elimination inefficiency, the obscure technical defect of noise reduction effect.
In summary, the applicant proposes a novel silencer for a general engine.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems of few sound reflection times, low noise elimination efficiency and unobvious noise reduction in the existing silencer in the prior art, the novel silencer for the general engine is provided, and the problems are solved.
In order to achieve the technical purpose, the technical scheme adopted by the utility model is as follows:
a novel silencer for a general gasoline engine comprises a silencer body and a protective cover, wherein the protective cover is arranged outside the silencer body in a covering mode, an exhaust pipe is arranged at the lower end of the silencer body, an exhaust pipe is arranged at the upper end of the silencer body, a first transverse sound insulation disc and a second transverse sound insulation disc are arranged inside the silencer body at intervals, a first vent pipe vertically penetrates through the first transverse sound insulation disc, a second vent pipe vertically penetrates through the second transverse sound insulation disc, the first vent pipe and the exhaust pipe are arranged in a staggered mode, the second vent pipe and the first vent pipe are arranged in a staggered mode, the exhaust pipe and the second vent pipe are arranged in a staggered mode, a first vent hole is formed in the half area of the first transverse sound insulation disc, the first vent hole is formed in the half area of the first vent pipe, a sound deadening hole is formed in the side wall of the first vent pipe located on the lower side of the first transverse sound insulation disc, and a second vent hole is formed in the half area of the second transverse sound insulation disc, the second vent hole is formed in the half area where the second vent pipe is located; the first vent hole and the second vent hole are obliquely arranged; thus, the first vent hole and the second vent hole are arranged on the first transverse sound-insulating disc and the second transverse sound-insulating disc, the sound-deadening hole is arranged on the side wall of the first vent pipe, when waste gas enters from the exhaust pipe, the waste gas can simultaneously pass through the first vent pipe and the first vent hole, and can be ejected from the sound-deadening hole to reflect on the silencer body when passing through the first vent pipe, then the waste gas passing through the first vent pipe can reflect on the second transverse sound-insulating disc, the waste gas passing through the inclined first vent hole can reflect on the side wall of the silencer body for multiple times, then the waste gas is discharged through the second vent pipe and the second vent hole, the waste gas passing through the second vent pipe and the waste gas passing through the second vent hole can reflect on the inner wall of the silencer body and then be discharged from the air outlet pipe, and the noise can be effectively reduced by arranging the inclined first vent hole and the second vent hole to reflect for multiple times, the noise elimination efficiency is higher.
Further limiting, the first vent hole is inclined towards the side wall direction of the silencer body closest to the first vent hole, and the second vent hole is also inclined towards the side wall direction of the silencer body closest to the second vent hole; the inclined direction can better reflect the noise for a plurality of times.
Further limiting, the air outlet pipe is arranged on the side surface of the upper end of the silencer body, and a through hole is formed in the position, corresponding to the air outlet pipe, on the protective cover; this arrangement further facilitates the discharge of exhaust gas.
Further limiting, the protective cover is provided with a heat dissipation hole; the protective cover is arranged in such a way to be beneficial to heat dissipation of high-temperature waste gas exhaust.
Compared with the prior art, the silencer has the advantages that the inclined vent holes are formed in the transverse sound insulation disc, so that waste gas and noise can be reflected for multiple times in the silencer body, the silencing efficiency is higher, the noise reduction effect is better, the structure is simple, and the manufacturing is convenient.
Drawings
FIG. 1 is a schematic diagram of a simple structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the muffler body;
fig. 3 is a top view of the first transverse baffle disc and the first vent tube.
The designations in the figures correspond respectively to: 1-silencer body, 2-protective cover, 21-heat dissipation hole, 3-exhaust pipe, 4-exhaust pipe, 5-first transverse sound-insulating disc, 51-first vent hole, 6-second transverse sound-insulating disc, 61-second vent hole, 7-first vent pipe, 71-first muffling hole, and 8-second vent pipe.
Detailed Description
In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.
Example (b):
as shown in fig. 1-3, the novel silencer for the general gasoline engine comprises a silencer body 1 and a protective cover 2, the protective cover 2 is covered outside the silencer body 1, the silencer body 1 is cylindrical, an exhaust pipe 3 is arranged at the lower end of the silencer body 1, an outlet pipe 4 is arranged at the upper end of the silencer body, a first transverse sound-insulating disc 5 and a second transverse sound-insulating disc 6 are arranged in the silencer body 1 at intervals, the first transverse sound-insulating disc 5 is positioned above the exhaust pipe 3, the second transverse sound-insulating disc 6 is positioned below the outlet pipe 4, the second transverse sound-insulating disc 6 is positioned above the first transverse sound-insulating disc 5, a first vent pipe 7 vertically penetrates through the first transverse sound-insulating disc 5, a second vent pipe 8 vertically penetrates through the second transverse sound-insulating disc 6, the first vent pipe 7 and the exhaust pipe 3 are arranged in a staggered manner, the second vent pipe 8 and the first vent pipe 7 are arranged in a staggered manner, the outlet pipe 4 and the second vent pipe 8 are arranged in a staggered manner, a first vent hole 51 is formed in a half area of the first transverse sound-insulating disc 5, the first vent hole 51 is formed in a half area position of the first transverse sound-insulating disc 5 where the first vent pipe 7 is located, and a silencing hole 71 is formed in a side wall of the first vent pipe 7 located on the lower side of the first transverse sound-insulating disc 5; a second vent hole 61 is formed in a half area of the second transverse sound-insulating disc 6, and the second vent hole 61 is formed in a half area position of the second transverse sound-insulating disc 6 where the second vent pipe 8 is located; the first vent hole 51 and the second vent hole 61 are both obliquely arranged; the first vent hole 51 is inclined toward the side wall of the muffler body 1 closest to the first vent hole, and the second vent hole 61 is also inclined toward the side wall of the muffler body 1 closest to the second vent hole; the air outlet pipe 4 is arranged on the side surface of the upper end of the silencer body 1, and a through hole is formed in the position, corresponding to the air outlet pipe 4, on the protective cover 2; the protective cover 2 is provided with heat dissipation holes 21.
Thus, the first and second vent holes 51 and 61 are formed in the first and second transverse soundproof plates 5 and 6, the muffling hole 71 is formed in the side wall of the first vent pipe 7, when the exhaust gas enters from the exhaust pipe 3, the exhaust gas passes through the first vent pipe 7 and the first vent hole 51 at the same time, and is emitted from the muffling hole 71 to reflect on the muffler body 1 when passing through the first vent pipe 7, then the exhaust gas passing through the first vent pipe 7 is reflected on the second transverse soundproof plate 6, the exhaust gas passing through the inclined first vent hole 51 is reflected on the side wall of the muffler body 1 a plurality of times, and then is discharged through the second vent pipe 8 and the second vent hole 61, the exhaust gas passing through the second vent pipe 8 and the exhaust gas passing through the second vent hole 61 are reflected on the inner wall of the muffler body 1 and then discharged from the exhaust pipe 4, and thus the exhaust gas is reflected a plurality of times by the inclined first and second vent holes 51 and 61, the noise can be effectively reduced, and the noise elimination efficiency is higher; the inclined direction can better reflect the noise for a plurality of times; the exhaust of waste gas is more convenient; the protective cover 2 is arranged in such a way as to facilitate heat dissipation of the high-temperature exhaust gas.
When using, waste gas gets into silencer body 1 from blast pipe 3 department, there are three passageway this moment to supply waste gas and noise to pass through, be first breather pipe 7 respectively, the first air vent 51 and the bloop 71 of slope setting, the noise will reflect on silencer body 1 inner wall and the horizontal syllable-dividing dish 6 of second after passing through these three positions, then through second breather pipe 8 and second air vent 61, the second air vent 61 of slope setting also can make the noise carry out the multiple reflection at silencer body 1 inner wall, then discharge from outlet duct 4.
Compared with the prior art, the silencer has the advantages that the inclined vent holes are formed in the transverse sound insulation disc, so that waste gas and noise can be reflected for multiple times in the silencer body, the silencing efficiency is higher, the noise reduction effect is better, the structure is simple, and the manufacturing is convenient.
It should be noted that the upper and lower portions in this document are the orientations in the drawings.
The above detailed description is provided for the novel silencer for the general engine. The description of the specific embodiments is only intended to facilitate an understanding of the method of the utility model and its core ideas. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (4)
1. The novel silencer for the general engine comprises a silencer body and a protective cover, wherein the protective cover is arranged outside the silencer body, the lower end of the silencer body is provided with an exhaust pipe, the upper end of the silencer body is provided with an exhaust pipe, a first transverse sound-insulating disc and a second transverse sound-insulating disc are arranged in the silencer body at intervals, the first transverse sound-insulating disc is positioned above the exhaust pipe, the second transverse sound-insulating disc is positioned below the air outlet pipe, the second transverse sound-insulating disc is positioned above the first transverse sound-insulating disc, a first vent pipe vertically penetrates through the first transverse sound-insulating disc, a second vent pipe vertically penetrates through the second transverse sound insulation disc, the first vent pipe and the vent pipe are arranged in a staggered manner, the second breather pipe with the setting of staggering of first breather pipe, the outlet duct with the setting of staggering of second breather pipe, its characterized in that: first air vent has been seted up on half area of first horizontal sound-proof disc, first air vent is established on half area position of the first horizontal sound-proof disc at first breather pipe place, be located first horizontal sound-proof disc downside the bloop has been seted up on the lateral wall of first breather pipe, second air vent has been seted up on half area of the horizontal sound-proof disc of second, the second air vent is established on half area position of the horizontal sound-proof disc of second at second breather pipe place, first air vent with the second air vent is the slope setting.
2. The novel silencer for the general engine as claimed in claim 1, wherein: the first vent hole is inclined towards the side wall direction of the silencer body closest to the first vent hole, and the second vent hole is also inclined towards the side wall direction of the silencer body closest to the second vent hole.
3. The novel silencer for the general engine as claimed in claim 1, wherein: the air outlet pipe is arranged on the side face of the upper end of the silencer body, and a through hole is formed in the position, corresponding to the air outlet pipe, on the protective cover.
4. The novel silencer for the general engine as claimed in claim 1, wherein: the protective cover is provided with heat dissipation holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122819652.6U CN216342383U (en) | 2021-11-17 | 2021-11-17 | Novel silencer for general gasoline engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122819652.6U CN216342383U (en) | 2021-11-17 | 2021-11-17 | Novel silencer for general gasoline engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216342383U true CN216342383U (en) | 2022-04-19 |
Family
ID=81149565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122819652.6U Expired - Fee Related CN216342383U (en) | 2021-11-17 | 2021-11-17 | Novel silencer for general gasoline engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216342383U (en) |
-
2021
- 2021-11-17 CN CN202122819652.6U patent/CN216342383U/en not_active Expired - Fee Related
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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: 20220419 |