CN201255056Y

CN201255056Y - Motorcycle air filter

Info

Publication number: CN201255056Y
Application number: CNU200820027059XU
Authority: CN
Inventors: 李小国; 秦继峰; 常文朝; 卢建平; 陈建龙
Original assignee: JINAN QINGQI ENGINE CO Ltd
Current assignee: JINAN QINGQI ENGINE CO Ltd
Priority date: 2008-08-28
Filing date: 2008-08-28
Publication date: 2009-06-10
Anticipated expiration: 2018-08-28

Abstract

The utility model relates to an air cleaner, in particular to an air cleaner for a motorcycle. The air cleaner comprises a casing, a casing cover, an air inlet pipe, an air outlet pipe and a filter core assembly, wherein, the casing and the casing cover are in a triangle shape; the filter core assembly is arranged between the casing and the casing cover; a main cavity of the air cleaner is formed at the side of the casing, and an auxiliary cavity of the air cleaner is formed at the side of the casing cover; the upper part of the front end of the main cavity is provided with a secondary air supply connecting pipe for a cylinder end, and the lower part of the front end of the main cavity is provided with an air blowby connecting pipe for a crankcase; the air blowby connecting pipe for a crankcase is communicated with an air blowby condensation chamber for a crankcase, and an opening of the air blowby condensation chamber for a crankcase is communicated with the main cavity; and an oil /water collecting pipe is arranged at the lowest point below the back of the main cavity. The utility model has the advantages of simple structure, beautiful appearance, little air inlet resistance, large circular air input, low air inlet noise and no pollution.

Description

Air cleaner for motorcycle

Technical field:

The utility model relates to a kind of air-strainer, especially a kind of air cleaner for motorcycle.

Background technique:

At present, domestic motorcycle mostly is square old-fashioned structure with the air-strainer of four-stroke 50cc motor, and the cavity total measurement (volume) is about 1.6L; Steam outlet pipe internal diameter one end is φ 32, and the other end is φ 20; Suction tude is the multiterminal Placement, and minimum diameter is φ 20.This structure not only pattern is ancient stiff, and it is big to insert loss, and air mass flow is low, and the crankcase gas blowby is not had the effect of Oil-gas Separation, and is less to the induction noise consumption.For effectively improving the circulation air inflow of motor, improve the power index of motor, reduce induction noise and pollution, be badly in need of a kind of motor cycle air-strainer of exploitation.

The model utility content:

The utility model provides a kind of air cleaner for motorcycle, and it is simple in structure, beautiful shape, and intake resistance is little, and the circulation air inflow is big, and induction noise is little, and is pollution-free, solved problems of the prior art.

The utility model is to solve the problems of the technologies described above the technological scheme that is adopted to be: it comprises housing, cap, suction tude, steam outlet pipe and element kit, described housing and cap are triangle, element kit is arranged between housing and the cap inside, in the main chamber of case side formation filter cleaner, form the secondary chamber of filter cleaner in the cap side; Be provided with cylinder head secondary air compensating connecting tube in main chamber upper front end, be provided with crankcase gas blowby connecting tube in its underpart, crankcase gas blowby connecting tube is connected with crankcase gas blowby condensation chamber, and the opening of crankcase gas blowby condensation chamber communicates with main chamber; Minimum point place in main chamber lower rear is provided with oil-collecting/water pipe.

Described steam outlet pipe is the uniform section bend pipe of internal diameter φ 34, and the one end is provided with flange plate and links to each other with Carburetor, and the other end is horn-like and main chamber and is connected.

Described suction tude is fixed on the cap front portion, and suction tude is the uniform section straight tube of internal diameter φ 25, and length is 90mm, and the inlet end of suction tude stretches out cap and becomes the angular cut shape, and its otch side is towards the cap inboard, and inside, secondary chamber is stretched in the outlet side of suction tude.

Described filter cleaner internal cavity total measurement (volume) is 2.22L, and wherein main chamber volume is 1.12L, and secondary chamber volume is 1.1L.

The utility model adopts said structure, and have following good effect: the housing and the cap of filter cleaner are triangular in shape, make profile more attractive in appearance, more create an aesthetic feeling; In main chamber upper front end cylinder head secondary air compensating connecting tube is set, gas enters main chamber, and the secondary air compensating noise can be effectively eliminated in main chamber; Crankcase gas blowby connecting tube is set in its underpart, crankcase gas blowby connecting tube is connected with crankcase gas blowby condensation chamber, the opening of crankcase gas blowby condensation chamber communicates with main chamber, the gas that crankcase can be come carries out Oil-gas Separation effectively in crankcase gas blowby condensation chamber, air after the separation enters main chamber from opening, waste oil after the separation flows in the oil-collecting/water pipe at rear portion along the inner walls of filter cleaner, oil-collecting/water pipe is arranged on the minimum point place at rear portion, main chamber, but the waste oil that the gas blowby that effective collection crankcase gas blowby condensation chamber is separated forms and enter the waste water in secondary chamber from suction tude reduces and pollutes; Steam outlet pipe is the uniform section bend pipe of internal diameter φ 34, and the one end is provided with flange plate and links to each other with Carburetor, and the other end is horn-like and main chamber and is connected, and by increasing the internal diameter of steam outlet pipe, can reduce the gas linear loss, increases the circulation aeration quantity; Suction tude is fixed on the cap front portion, suction tude is the uniform section straight tube of internal diameter φ 25, length is 90mm, inside, secondary chamber is stretched in the outlet side of suction tude, by increasing the internal diameter of suction tude, can increase air-mass flow, determine the length of suction tude, can make full use of the intake pressure wave dynamic effect, make the air inlet jet reach the solstics of filter cleaner; The inlet end of suction tude stretches out cap and becomes the angular cut shape, and its otch side can play the effect that stops foreign material and water to enter the filter cleaner inner chamber towards the cap inboard; The size of filter cleaner internal cavity is to absorbing the induction noise of suction tude, forming the reflection condensation wave has bigger effect, and this filter cleaner internal cavity total measurement (volume) is 2.22L, and wherein main chamber volume is 1.12L, secondary chamber volume is 1.1L, can play absorption effectively to suction press ripple noise.

Description of drawings:

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is a cap side form structure schematic representation of the present utility model.

Fig. 3 removes part-structure schematic representation behind the cap for the utility model.

Fig. 4 is a housing inside structure schematic representation.

Fig. 5 is cap inboard and suction tude mounting structure schematic representation.

Fig. 6 is the steam outlet pipe structural representation.

Fig. 7 is the air feeder structure schematic representation.

Among the figure, 1, housing; 2, cap; 3, suction tude; 4, steam outlet pipe; 5, element kit; 6, main chamber; 7, secondary chamber; 8, cylinder head secondary air compensating connecting tube; 9, crankcase gas blowby connecting tube; 10, crankcase gas blowby condensation chamber; 11, opening; 12, oil-collecting/water pipe.

Embodiment:

For clearly demonstrating the technical characterstic of this programme, below by embodiment, and in conjunction with its accompanying drawing, the utility model is elaborated.

As shown in FIG., the utility model comprises housing 1, cap 2, suction tude 3, steam outlet pipe 4 and element kit 5, described housing 1 and cap 2 are triangle, element kit 5 is arranged between housing 1 and cap 2 inside, in the main chamber 6 of housing 1 side formation filter cleaner, form the secondary chamber 7 of filter cleaner in cap 2 sides; 6 upper front end are provided with cylinder head secondary air compensating connecting tube 8 in main chamber, its caliber is φ 6, be provided with crankcase gas blowby connecting tube 9 in its underpart, crankcase gas blowby connecting tube 9 is connected with crankcase gas blowby condensation chamber 10, and the opening 11 of crankcase gas blowby condensation chamber 10 communicates with main chamber 6; Minimum point place in main chamber 6 lower rear is provided with oil-collecting/water pipe 12, and its volume is 30ml.

Described steam outlet pipe 4 is the uniform section bend pipe of internal diameter φ 34, and the one end is provided with flange plate and links to each other with Carburetor, and the other end is horn-like and main chamber 6 and is connected.

Described suction tude 3 is fixed on cap 2 front portions, and suction tude 3 is the uniform section straight tube of internal diameter φ 25, and length is 90mm, and the inlet end of suction tude 3 stretches out cap and becomes the angular cut shape, and its otch side is towards cap 2 inboards, and 7 inside, secondary chamber are stretched in the outlet side of suction tude 3.

Described filter cleaner internal cavity total measurement (volume) is 2.22L, and wherein main chamber 6 volumes are 1.12L, and secondary chamber 7 volumes are 1.1L.The size of filter cleaner internal cavity is to absorbing the induction noise of suction tude 3, and forming the reflection condensation wave has bigger effect, and for the 50cc motor, the cavity volume of filter cleaner is better to reducing the induction noise effect greater than 2.0L the time.

During work, ambient air enters secondary chamber 7 through suction tude 3, after element kit 5 filters, enters main chamber 6 again, enters Carburetor through steam outlet pipe 4 again.The gas blowby that enters crankcase gas blowby condensation chamber 10 through crankcase gas blowby connecting tube 9 is through after the Oil-gas Separation, the air of separating enters main chamber 6 through opening 11, waste oil after the separation flows in the oil-collecting/water pipe 12 at rear portion along housing 1 inwall of filter cleaner, and oil-collecting/water pipe 12 will regularly empty.The gas of sending here through cylinder head secondary air compensating connecting tube 8 enters filter cleaner master chamber 6, and the secondary air compensating noise can be effectively eliminated in main chamber 6.

The utility model does not describe part in detail, is those skilled in the art of the present technique's known technology.

Claims

1, a kind of air cleaner for motorcycle, comprise housing, cap, suction tude, steam outlet pipe and element kit, it is characterized in that: described housing and cap are triangle, element kit is arranged between housing and the cap inside, in the main chamber of case side formation filter cleaner, form the secondary chamber of filter cleaner in the cap side; Be provided with cylinder head secondary air compensating connecting tube in main chamber upper front end, be provided with crankcase gas blowby connecting tube in its underpart, crankcase gas blowby connecting tube is connected with crankcase gas blowby condensation chamber, and the opening of crankcase gas blowby condensation chamber communicates with main chamber; Minimum point place in main chamber lower rear is provided with oil-collecting/water pipe.

2, air cleaner for motorcycle according to claim 1 is characterized in that: described steam outlet pipe is the uniform section bend pipe of internal diameter φ 34, and the one end is provided with flange plate and links to each other with Carburetor, and the other end is horn-like and main chamber and is connected.

3, air cleaner for motorcycle according to claim 1 and 2, it is characterized in that: described suction tude is fixed on the cap front portion, suction tude is the uniform section straight tube of internal diameter φ 25, length is 90mm, the inlet end of suction tude stretches out cap and becomes the angular cut shape, its otch side is towards the cap inboard, and inside, secondary chamber is stretched in the outlet side of suction tude.

4, air cleaner for motorcycle according to claim 3 is characterized in that: described filter cleaner internal cavity total measurement (volume) is 2.22L, and wherein main chamber volume is 1.12L, and secondary chamber volume is 1.1L.