CN201525449U

CN201525449U - Air filtering device capable of reducing resonance

Info

Publication number: CN201525449U
Application number: CN2009201655147U
Authority: CN
Inventors: 郭伟信
Original assignee: Kwang Yang Motor Co Ltd
Current assignee: Kwang Yang Motor Co Ltd
Priority date: 2009-07-28
Filing date: 2009-07-28
Publication date: 2010-07-14
Anticipated expiration: 2019-07-28

Abstract

An air filtering device capable of reducing resonance is installed inside a straddle motorcycle provided with an oil box. The air filtering device comprises an air filter and an elastic part, wherein the air filter is positioned below the oil box, and the elastic part placed between the oil box and the air filter is fixedly clamped by the oil box and the air filter. As the elastic part is fixedly clamped jointly by the oil box and the air filter, the air filtering device realizes the effect of strengthening the structure of the air filter, and reduces suction noise when the air filter sucks air. In addition, the elastic part can simultaneously absorb resonance produced by the air filter because of engine running, thereby effectively reducing noise caused by resonance of the air filter.

Description

Can reduce the air filtration plant of resonance

[technical field]

The utility model is about a kind of air filtration plant, particularly about a kind of air filtration plant that reduces resonance.

[background technology]

Consult Fig. 1, in the existing straddle type motorcycle, its airfilter 11 is the belows that are positioned at a fuel tank 12, and have a spacing between the two, this airfilter 11 has an admission port 111, air can enter this airfilter inside via this admission port 111 and filter, and enters an engine 13 again and carries out explosive combustion.

And in the process of these engine 13 continuous runnings, air can continue enters this engine 13 after being filtered by this airfilter 11, but engine 13 flat-out accelerations, can need this airfilter 11 to supply with a large amount of air, therefore in the process of a large amount of air inlets, produce inhaled sound easily because the structural strength of this airfilter 11 is not enough.

On the other hand, the combustion chamber of this engine 13 also can penetrate sound wave by engine 13 inner counter in inhaling the process of pressing quick-fried row, and this sound wave can pass through this airfilter 11, causes this airfilter 11 to form resonance and produce noise.

In order to improve the problems referred to above, usually understand thickness with the housing that increases this airfilter 11, or on housing, increase the structure that mode such as rib is strengthened this airfilter 11, but actual implement the back find for inhaled sound and noise produce to improve effect limited, and it is higher for the cost that material uses to increase thickness, also gains in weight simultaneously; And too much rib also can cause bigger air resistance except the inner space that influences this airfilter 11, and then influences intake efficiency.

[utility model content]

Therefore, the purpose of this utility model is to provide a kind of air filtration plant that can effectively reduce the reduced resonance of noise generation.

So the utility model can reduce the air filtration plant of resonance, be installed in the straddle type motorcycle, this motor bike has a fuel tank, and an engine that is positioned at this fuel tank below, and this air filtration plant comprises an airfilter, and an elastic component.

This airfilter is the rear that is positioned at this fuel tank below and is positioned at this engine, and is supplied in this engine after outside air filtered; This elastic component is to be placed between this fuel tank and the airfilter, and is inserted and put fixing by this fuel tank and airfilter.

Effect of the present utility model is: inserted and put fixingly jointly by this fuel tank and airfilter by this elastic component, reached the effect of strengthening this air filtering device structure, and the generation of inhaled sound when reducing this airfilter air inlet; In addition, this elastic component can absorb this airfilter simultaneously because the resonance that engine running produced produces noise and effectively reduce this airfilter because of resonance.

[description of drawings]

Fig. 1 is a lateral plan, and the relative position between existing airfilter and the fuel tank is described;

Fig. 2 is a lateral plan, illustrates that the utility model can reduce by first preferred embodiment of the air filtration plant of resonance;

Fig. 3 is a block diagram, and in this first preferred embodiment of aid illustration, elastic component is arranged at the aspect on the airfilter;

Fig. 4 is a cutaway view, in this first preferred embodiment of aid illustration, and the structure of elastic component; And

Fig. 5 is a cutaway view, illustrates that the utility model can reduce by second preferred embodiment of the air filtration plant of resonance.

2 motor bikes

21 fuel tanks

22 engines

3 air filtration plants

31 airfilters

311 housings

312 loam cakes

313 admission ports

314 air extractor ducts

315 grooves

316 raised lines

32 elastic components

321 lower surfaces

322 upper surfaces

323 fins

324 depressed parts

[specific embodiment]

About aforementioned and other technology contents, characteristics and effect of the present utility model, in the following detailed description that cooperates with reference to two graphic preferred embodiments, can clearly present.

Before the utility model is described in detail, be noted that in the following description content similar elements is to represent with identical numbering.

Consult Fig. 2, the utility model can reduce by first preferred embodiment of the air filtration plant 3 of resonance, be installed in the straddle type motorcycle 2, this motor bike 2 has a fuel tank 21, an and engine 22 that is positioned at these fuel tank 21 belows, this air filtration plant 3 comprises an airfilter 31, and an elastic component 32.

This airfilter 31 is the rears that are positioned at these fuel tank 21 belows and are positioned at this engine 22, and be supplied in this engine 22 after outside air filtered, and this airfilter 31 comprises a housing 311, reach one and be locked on this housing 311 and the loam cake 312 between this housing 311 and fuel tank 21, wherein, this loam cake 312 has an admission port 313 that outside air is imported, and this housing 311 has an air extractor duct 314 that is communicated in this engine 22.

Loam cake 312 end faces of this airfilter 31 are to be extended toward the rear end and presented bevelled aspect from lower to upper by the front end of this motor bike 2, and these fuel tank 21 bottom surfaces also are to should loam cake 312 and present bevelled aspect from lower to upper.

Consult Fig. 2 to Fig. 4 in the lump, this elastic component 32 is to be placed between this fuel tank 21 and the airfilter 31, and in present embodiment, this elastic component 32 is to be placed on this loam cake 312, and is inserted and put fixing by the loam cake 312 of this fuel tank 21 and airfilter 31.Wherein, the end face of this loam cake 312 has a groove 315, and this elastic component 32 is to be flats, and the lower surface 321 of this elastic component 32 has a fin 323 that is positioned in this groove 315, and the upper surface 322 of this elastic component 32 is to be concavo-convex staggered aspect, and this concavo-convex staggered aspect is that front end by this motor bike 2 extends to the rear end.

When this engine 22 started, air can enter these airfilter 31 inside via the admission port 313 of this loam cake 312 and filter, and enters in this engine 22 via this air extractor duct 314 and carries out explosive combustion; And in the process of these engine 22 continuous runnings, air can continue enters in this engine 22 after being filtered by this airfilter 31.

By above-mentioned design, the air filtration plant 3 that the utility model can reduce resonance has the advantage of the following stated when reality is used:

(1) reinforced structure, reduce cost:

By this elastic component 32 is that 312 of loam cakes by this fuel tank 21 and airfilter 31 insert and put fixing jointly, do not need again in mode of the prior art, as increase the thickness of the loam cake 312 of this airfilter 31, or in these loam cake 312 increase ribs, as long as between the loam cake 312 of this fuel tank 21 and airfilter 31, plugged this elastic component 32, structure that just can this airfilter 31 of efficient hardening, and reduce the expenditure of the material cost of this airfilter 31.

(2) reduce resonance:

In addition, this engine 22 can cause this airfilter 31 to form resonance when running, therefore the setting of this elastic component 32, except the above-mentioned structure that can strengthen this airfilter 31, can absorb simultaneously the resonance that this airfilter 31 is produced because of engine 22 runnings, and then effectively reduce the noise that this airfilter 31 produces because of resonance.

(3) be convenient to assembling:

This elastic component 32 is when assembling, be that spacing between this fuel tank 21 and this airfilter 31 plugs this elastic component 32, therefore this elastic component 32 is that fin 323 by its lower surface 321 is positioned in the groove 315 of this loam cake 312, and the concavo-convex staggered upper surface 322 of this elastic component 32, the space that has distortion to extend when it is plugged, and the resistance when reducing to assemble.

In present embodiment, the material of this elastic component 32 is a rubber, can certainly look the situation of actual manufacturing and selects sponge for use, or flexible material such as foam, can reach the effect of shock-absorbing equally; And the concavo-convex staggered aspect of the upper surface 322 of this this elastic component 32 also can be that the left side by this motor bike 2 extends to the right side; In addition, in present embodiment, this elastic component 32 is to be positioned between the loam cake 312 of this fuel tank 21 and airfilter 31 in the flush fit mode that plugs, also can look the actual assembled mode, therefore this elastic component 32 with gummed or sealed mode is fixed on the loam cake 312 of this airfilter 31, should not exceeded with the disclosed content of present embodiment.

Consult Fig. 5, the utility model can reduce by second preferred embodiment of the air filtration plant 3 of resonance, roughly similar aforementioned this first preferred embodiment, difference is: the end face of this loam cake 312 has a raised line 316, this elastic component 32 is to be flats, and the lower surface 321 of this elastic component 32 has the depressed part 324 of raised line 316 location of this loam cake 312 of confession.

By above-mentioned design, make this elastic component 32 can be positioned the loam cake 312 of this airfilter 31 equally, and the user is provided the another kind of aspect of selecting.

In sum, the utility model can reduce the air filtration plant 3 of resonance, by this elastic component 32 is to be arranged between this fuel tank 21 and the airfilter 31, not only can strengthen the structure of this airfilter 31, reduce the resonance effect of this airfilter 31, also be convenient to assembling, reduce the material cost of this airfilter 31 simultaneously, so can reach the purpose of the utility model really.

The above, it only is preferred embodiment of the present utility model, when the scope that can not limit the utility model enforcement with this, promptly the simple equivalent of being done according to the utility model claim and utility model description generally changes and modifies, and all still belongs in the scope that the utility model patent contains.

Claims

1. the air filtration plant that can reduce resonance is installed in the straddle type motorcycle, and this motor bike has a fuel tank, and an engine that is positioned at this fuel tank below, and it is characterized in that: this air filtration plant comprises:

One airfilter is positioned at this fuel tank below and is positioned at the rear of this engine, and is supplied in this engine after outside air filtered; And

One elastic component is placed between this fuel tank and the airfilter, and is inserted and put fixing by this fuel tank and airfilter.

2. can reduce the air filtration plant of resonance according to claim 1, it is characterized in that: this airfilter comprises a housing, reaches one and is locked on this housing and the loam cake between this housing and fuel tank, and this elastic component is placed on this and covers.

3. as reducing the air filtration plant of resonance as described in the claim 2, it is characterized in that: the end face of this loam cake has a groove, this elastic component is flats, and the lower surface of this elastic component has a fin that is positioned in this groove, and the upper surface of this elastic component is concavo-convex staggered aspect.

4. as reducing the air filtration plant of resonance as described in the claim 2, it is characterized in that: the end face of this loam cake has a raised line, this elastic component is flats, and the lower surface of this elastic component has the depressed part of the raised line location of this loam cake of confession, and the upper surface of this elastic component is concavo-convex staggered aspect.

5. as reducing the air filtration plant of resonance as described in claim 3 or 4, it is characterized in that: the concavo-convex staggered of the upper surface of this elastic component is the aspect that is extended to the rear end by the front end of this motor bike.

6. as reducing the air filtration plant of resonance as described in claim 3 or 4, it is characterized in that: the concavo-convex staggered of the upper surface of this elastic component is the aspect that is extended to the right side by the left side of this motor bike.

7. can reduce the air filtration plant of resonance according to claim 1, it is characterized in that: the material of this elastic component is to be selected from the following group that constitutes: rubber, sponge, and foam.

8. as reducing the air filtration plant of resonance as described in the claim 2, it is characterized in that: this elastic component is to be glued on this to cover.

9. as reducing the air filtration plant of resonance as described in the claim 2, it is characterized in that: this elastic component is to be locked on this to cover.

10. as reducing the air filtration plant of resonance as described in the claim 2, it is characterized in that: the loam cake of this airfilter has an admission port that outside air is imported, and this housing has an air extractor duct that is communicated in this engine.

11. as reducing the air filtration plant of resonance as described in the claim 2, it is characterized in that: the upper cover top surface of this airfilter is to be extended toward the rear end and presented bevelled aspect from lower to upper by the front end of this motor bike, and this fuel tank bottom surface also is to should loam cake and present bevelled aspect from lower to upper.