CN214330779U - Mute air filter with silencing pipe capable of rotating by 360 degrees - Google Patents
Mute air filter with silencing pipe capable of rotating by 360 degrees Download PDFInfo
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- CN214330779U CN214330779U CN202022529548.9U CN202022529548U CN214330779U CN 214330779 U CN214330779 U CN 214330779U CN 202022529548 U CN202022529548 U CN 202022529548U CN 214330779 U CN214330779 U CN 214330779U
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- shaped groove
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Abstract
A mute air filter with a silencing pipe capable of rotating 360 degrees comprises a silencing shell, an air filter element and a silencing pipe, wherein a silencing cavity is arranged inside the silencing shell, and an air inlet silencing hose bayonet and a filter element fixing bayonet are respectively arranged on the silencing shell; the air inlet end of the silencing pipe extends into the silencing shell from the bayonet of the air inlet silencing hose, and the silencing pipe is communicated with the interior of the silencing shell; an air filter element is arranged in the silencing shell, and a filter element interface end of the air filter element extends out of the filter element fixing bayonet. The utility model has the advantages of simple integral structure, reduce the noise of admitting air of engine, air inlet overall arrangement position on the engine is unrestricted, and the different use installation requirements of better adaptation improve the silence effect of product and simplify mounting structure.
Description
Technical Field
The utility model relates to a field of making an uproar falls in general gasoline engine, concretely relates to has empty filter of silence that can 360 degrees rotatory hush pipes.
Background
The air filter of the traditional general gasoline engine has a simple structure, the air inlet end is generally simple open air inlet, and the special noise reduction design is not carried out. If when the engine speed is high, the air inlet noise is very high and is close to the exhaust noise of the engine silencer, so that the use comfort of users is influenced. Along with the improvement of living standard of people, the whole machine products, especially the generator products, that general gasoline engine was furnished with all require the silence design, and traditional empty filter can not satisfy the requirement of making an uproar that falls. Therefore, in order to solve the above problems, it is necessary to provide a new silencing apparatus.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art's not enough, provide the empty filter of silence that has can 360 degrees rotatory hush pipes, concrete technical scheme is as follows:
the utility model provides an empty filter of silence with can 360 degrees rotation hush pipe which characterized in that:
the silencer comprises a silencing shell, an air filter element (4) and a silencing pipe (6), wherein a silencing cavity is arranged in the silencing shell, and an air inlet silencing hose bayonet and a filter element fixing bayonet are respectively arranged on the silencing shell;
the air inlet end of the silencing pipe (6) extends into the silencing shell from the bayonet of the air inlet silencing hose, and the silencing pipe (6) is communicated with the interior of the silencing shell;
an air filter element (4) is arranged in the silencing shell, and a filter element interface end of the air filter element (4) extends out of the filter element fixing bayonet.
For better realization the utility model discloses, can further be: the silencing shell comprises an upper cover (2) and a lower cover (5), a first arc-shaped groove (2-2) is formed in a first side face of the upper cover (2), a second arc-shaped groove (2-1) is formed in a second side face of the upper cover (2), and the first side face and the second side face are adjacent faces;
when the lower end face of the upper cover (2) is attached to the upper end face of the lower cover (5), a third arc-shaped groove (5-2) corresponding to the first arc-shaped groove (2-2) and a fourth arc-shaped groove (5-1) corresponding to the second arc-shaped groove (2-1) are respectively formed in the lower cover (5);
the third arc-shaped groove (5-2) and the first arc-shaped groove (2-2) form an air inlet silencing hose bayonet;
the fourth arc-shaped groove (5-1) and the second arc-shaped groove (2-1) form a filter element fixing bayonet.
Further: the air inlet end of the silencing pipe (6) is rotatably connected in the bayonet of the air inlet silencing hose.
Further: sound-absorbing cotton can be arranged in the sound-absorbing shell.
Further: the upper cover (2) and the lower cover (5) are fixed in a clamping mode through bolts (1).
The utility model has the advantages that: first, the utility model has the advantages that the whole structure is simple, reduces the noise of admitting air of engine, and air inlet overall arrangement position on the engine is unrestricted, and the different use installation requirements of better adaptation improve the silence effect of product and simplify mounting structure.
And secondly, a silencing pipe is designed at the air inlet end of the air filter, and the air inlet silencing pipe is clamped between the upper shell and the lower shell of the air filter, so that the air inlet direction can be adjusted in a 360-degree free rotation manner, and the air inlet arrangement at any angle is met. The air filter body is simple in internal structure and free of complex labyrinth design, so that the whole air filter is simple in structure and convenient to install, and the noise reduction effect is very obvious.
Drawings
FIG. 1 is an overall structure diagram of the present invention;
FIG. 2 is an exploded view of FIG. 1;
the figure is marked with a bolt 1, an upper cover 2, a first arc-shaped groove 2-2, a second arc-shaped groove 2-1, a lower cover 5, a third arc-shaped groove 5-2, a fourth arc-shaped groove 5-1, an air filter element 4 and a silencing pipe 6.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 and 2: a silent air filter with a silencing pipe capable of rotating 360 degrees comprises a silencing shell, an air filter element 4 and a silencing pipe 6, wherein a silencing cavity is arranged in the silencing shell, and the silencing shell is respectively provided with an air inlet silencing hose bayonet and a filter element fixing bayonet;
the overall shape of the air filter is not limited, and may be a rectangular parallelepiped, a cube, an ellipsoid or the like, as the case may be.
The material of the silencing tube 6 is not limited, but may be rubber, PVC pipe or other materials. The length is not limited, and is determined according to the specific use environment.
Meanwhile, the cross-sectional shape of the silencer duct 6 is not limited, and may be circular, square, or elliptical.
Wherein, in this embodiment, the sound attenuation casing includes upper cover 2 and lower cover 5, and upper cover 2 and lower cover 5 pass through bolt 1 screens fixed. A first arc-shaped groove 2-2 is formed in the first side face of the upper cover 2, a second arc-shaped groove 2-1 is formed in the second side face of the upper cover 2, and the first side face and the second side face are adjacent;
when the lower end surface of the upper cover 2 is attached to the upper end surface of the lower cover 5, a third arc-shaped groove 5-2 corresponding to the first arc-shaped groove 2-2 and a fourth arc-shaped groove 5-1 corresponding to the second arc-shaped groove 2-1 are respectively arranged on the lower cover 5;
the third arc-shaped groove 5-2 and the first arc-shaped groove 2-2 form an air inlet silencing hose bayonet;
the fourth arc-shaped groove 5-1 and the second arc-shaped groove 2-1 form a filter element fixing bayonet.
The air inlet end of the silencing pipe 6 extends into the silencing shell from the air inlet silencing hose bayonet, the silencing pipe 6 is communicated with the interior of the silencing shell, and the air inlet end of the silencing pipe 6 is rotatably connected into the air inlet silencing hose bayonet.
An air filter element 4 is arranged in the silencing shell, and a filter element interface end of the air filter element 4 extends out of the filter element fixing bayonet.
If the silencing effect is enhanced, sound absorption cotton can be arranged in the silencing shell.
The specific installation method in the embodiment is that the air inlet end of the silencing pipe 6 is installed in an air inlet silencing hose bayonet formed between the upper cover 2 and the air filter lower cover 5 and is fixedly clamped through a clamping position. The filter element 4 is first installed in the fourth arc-shaped groove of the lower cover 5, and the air filter element is covered by buckling the upper cover 2. The upper cover 2 and the lower cover 5 are locked and fixed by bolts or other modes.
The utility model discloses the principle: the silencing pipe is arranged outside, and the air filter element interface is connected to an air inlet of an engine carburetor. Air enters the air filter body from the silencing pipe, the air flowing at high speed is subjected to resistance and refraction and reflection on the side wall of the silencing pipe, noise energy is consumed, and the air entering the air filter body is subjected to sudden change expansion to filter high, medium and low frequency noise of the air inlet. Then the air enters the air inlet of the carburetor of the engine through the air filter element.
On the other hand, airflow noise occurs at the moment when the engine valve opens. The air filter element is introduced into the cavity of the air filter and is blocked by the wall surface of the air filter body and the silencing pipe. The intended reduction effect on the air inlet noise of the engine is realized.
In order to bring convenience to air inlet on the whole air filter, the silencing pipe is clamped on the air filter body and can freely rotate 360 degrees so as to adapt to the air inlet position layout requirements of different whole air filters.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides an empty filter of silence with can 360 degrees rotation hush pipe which characterized in that:
the silencer comprises a silencing shell, an air filter element (4) and a silencing pipe (6), wherein a silencing cavity is arranged in the silencing shell, and an air inlet silencing hose bayonet and a filter element fixing bayonet are respectively arranged on the silencing shell;
the air inlet end of the silencing pipe (6) extends into the silencing shell from the bayonet of the air inlet silencing hose, and the silencing pipe (6) is communicated with the interior of the silencing shell;
an air filter element (4) is arranged in the silencing shell, and a filter element interface end of the air filter element (4) extends out of the filter element fixing bayonet.
2. The silent air filter with a muffler pipe capable of rotating 360 degrees according to claim 1, wherein: the silencing shell comprises an upper cover (2) and a lower cover (5), a first arc-shaped groove (2-2) is formed in a first side face of the upper cover (2), a second arc-shaped groove (2-1) is formed in a second side face of the upper cover (2), and the first side face and the second side face are adjacent faces;
when the lower end face of the upper cover (2) is attached to the upper end face of the lower cover (5), a third arc-shaped groove (5-2) corresponding to the first arc-shaped groove (2-2) and a fourth arc-shaped groove (5-1) corresponding to the second arc-shaped groove (2-1) are respectively formed in the lower cover (5);
the third arc-shaped groove (5-2) and the first arc-shaped groove (2-2) form an air inlet silencing hose bayonet;
the fourth arc-shaped groove (5-1) and the second arc-shaped groove (2-1) form a filter element fixing bayonet.
3. The silent air filter with a muffler pipe capable of rotating 360 degrees according to claim 1, wherein: the air inlet end of the silencing pipe (6) is rotatably connected in the bayonet of the air inlet silencing hose.
4. The silent air filter with a muffler pipe capable of rotating 360 degrees according to claim 1, wherein: sound-absorbing cotton can be arranged in the sound-absorbing shell.
5. The silent air filter with a muffler pipe capable of rotating 360 degrees according to claim 2, wherein: the upper cover (2) and the lower cover (5) are fixed in a clamping mode through bolts (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022529548.9U CN214330779U (en) | 2020-11-04 | 2020-11-04 | Mute air filter with silencing pipe capable of rotating by 360 degrees |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022529548.9U CN214330779U (en) | 2020-11-04 | 2020-11-04 | Mute air filter with silencing pipe capable of rotating by 360 degrees |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214330779U true CN214330779U (en) | 2021-10-01 |
Family
ID=77894233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022529548.9U Active CN214330779U (en) | 2020-11-04 | 2020-11-04 | Mute air filter with silencing pipe capable of rotating by 360 degrees |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214330779U (en) |
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2020
- 2020-11-04 CN CN202022529548.9U patent/CN214330779U/en active Active
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