CN201277125Y

CN201277125Y - Air cleaner

Info

Publication number: CN201277125Y
Application number: CNU2008201000653U
Authority: CN
Inventors: 陈学彬; 仲夏
Original assignee: Longxin Industry Co Ltd
Current assignee: Loncin General Dynamics Co Ltd
Priority date: 2008-09-22
Filing date: 2008-09-22
Publication date: 2009-07-22
Anticipated expiration: 2018-09-22

Abstract

The utility model provides a motorcycle air filter which has the function of collecting engine oil, and comprises a body, an air filter cover, an air inlet pipe and an air outlet pipe, wherein the side wall of the body is equipped with an air inlet which is used to discharge the waste gas in a crankcase, the inner side of the air filter cover is equipped with an oil baffle plate, and the oil baffle plate corresponds to the air inlet which discharges the waste gas in the crankcase. The bottom portion of the air filter body is equipped with an overflow pipe joint, the overflow pipe joint is connected with an overflow pipe, and the other end of the overflow pipe is plugged by a movable plug. The motorcycle air filter has the advantages of simple structure and low cost. Through an arc-shaped oil baffle plate, on one hand used oil (in an oil drop state) of the crankcase is prevented from entering an engine through the air inlet pipe of an air filter, thereby causing the dynamic property of the engine to reduce. On the other hand, the oil drop is prevented from entering a filter element, thereby guaranteeing the efficiency of the filter element not to be affected, being convenient to collect and discharge engine oil, and being very convenient to assemble and use.

Description

A kind of air-strainer

Technical field

The utility model relates to the improvement technology of air filtering device structure, is specifically related to a kind of air cleaner used on motorcycles with oil collecting function.

Background technique

Air cleaner for motorcycle is to connect Carburetor, is used for removing the device that enters Carburetor air impurity.Empty filter mainly is made up of body, filter core, empty filter lid and inlet, outlet pipeline etc., and its housing and lid are generally improved plastics structural shape; Filter core has flat and drum type etc.And contain lubricant oil oil droplet and lubricant oil steam in the engine crankcase exhaust gas discharged, if directly enter atmosphere, can pollute environment.Along with the increasingly stringent of country, stipulated not allow the waste gas of engine crankcase directly to enter atmosphere to the motorcycle emission standard.Therefore, be typically provided with air inlet spray that is used for being connected with crankcase and the pipeline that is attached thereto on the existing air filter housing, the waste gas that makes crankcase scavenged enters the engine chamber burning again by behind the air-strainer.

At present, the waste gas of crankcase scavenged is sent into the sky filter mainly contain following two kinds of structures: a kind of is directly to be provided with the puff prot that is used for crankcase scavenged waste gas on empty filter housing, this structure is because puff prot is aimed at filter core, enter the lubricant oil oil droplet and the steam of sky filter, part can deposit on the cleaner cartridge cleaner, can cause filter core to stop up year in and year out, reduce the filtering effect of empty filter; And, be deposited on the also inconvenience discharging of machine oil in the sky filter.Another kind is to be provided with deaerator between empty filter and crankcase waste gas breathing pipe, makes the lubricant oil oil droplet of crankcase scavenged and steam by the liquefaction of separator, does not enter the sky filter, but this structure is comparatively complicated, and can increase the cost of product.

The model utility content

At the prior art above shortcomings, the purpose of this utility model provide a kind of simple in structure, prevent that the machine oil in the crankcase scavenged waste gas from stopping up filter core and the air-strainer with oil collecting function.

The purpose of this utility model is achieved in that a kind of air-strainer, comprise body, empty filter lid, suction tude and steam outlet pipe, the body sidewall is provided with the suction port that is used to discharge crankcase waste gas, it is characterized in that: an arc oil baffle is set up in the inboard at empty filter lid, and makes it the suction port of corresponding crankcase scavenged waste gas; Be provided with the spill pipe joint in the bottom of empty filter body, and be attached thereto with the plastics spill pipe; The movable drain plug shutoff of the other end of spill pipe.

Compared to existing technology, the utlity model has following advantage:

1, on the basis that does not influence empty filter agent structure, cover inboard corresponding crankcase scavenged waste gas puff prot place at empty filter, set up the arc oil baffle, have simple in structure, the advantage that cost is low.By the arc oil baffle, avoid the used oil (oil droplet state) of crankcase to enter motor on the one hand by empty filter suction tude, cause engine power performance to descend; Avoid oil droplet directly to enter filter core on the other hand, unaffected with the usefulness that guarantees filter core.

2, by being provided with overflow hole, and link to each other, make things convenient for the collection and the discharging of machine oil, prevent that machine oil is emitted on atmosphere, has improved environmental-protecting performance with the spill pipe of band plug in empty filter bottom.

3, assembling and use are all very convenient.

Description of drawings

Fig. 1 is the plan view of a kind of mode of execution of the utility model;

Fig. 2 is the left view of Fig. 1;

Fig. 3 is the A-A sectional view of Fig. 1;

Fig. 4 is the B-B sectional view of Fig. 1.

Embodiment

The utility model is described in further detail below in conjunction with the drawings and specific embodiments.

As depicted in figs. 1 and 2, a kind of air-strainer comprises body 1, empty filter lid 2, suction tude 3 and steam outlet pipe 4, and body 1 sidewall is provided with the suction port 5 that is used to discharge crankcase waste gas, filter core (flat or drum type filter core all can, omit among the figure).Referring to Fig. 3, improvement of the present utility model is to set up an oil baffle 6 in the inboard of empty filter lid 2, and oil baffle 6 is a curved baffle, can be designed to horizontal or vertical curved baffle, or the concavity curved baffle, also can be flat board (dull and stereotyped effect is taken second place); And make the suction port 5 of oil baffle 6 corresponding crankcase scavenged waste gas, like this by (containing lubricant oil gas and combustion gas) of crankcase scavenged when waste gas enters the sky filter, the oil droplet molecule is by the reflection of (arc) oil baffle 6, just oil molecule is reflexed on the inwall of sky filter housing, because curved baffle is the diffusivity reflection, air-flow velocity reduces rapidly, and the little oil droplet in the air-flow is sticked on the sky filter inner walls, flow to sky filter bottom along inner walls, made things convenient for the collection of machine oil.The utility model makes the used oil (oil droplet state) of crankcase can not enter motor by empty filter suction tude by the arc oil baffle on the one hand, and this oil droplet shape machine oil is difficult for atomizing, causes engine power performance to descend; Owing to adopt the arc oil baffle, can avoid oil droplet directly to pollute filter core on the other hand, reduce the filter core performance, reduce engine performance thus.

Referring to Fig. 1 and Fig. 4, on the overflow mode, be provided with spill pipe joint 7, and pick out with plastics spill pipe 8 in the bottom of empty filter body 1.Plastic tube 8 bends downwards along empty filter housing bottom, and spill pipe 8 usefulness clips 9 are anchored on the instrument cases 10 of filter bottom, plug 11 shutoff of the other end of spill pipe 8.In addition, described plastics spill pipe 8 adopts lucite pipe, and in the using process, whether the machine oil that can observe collection easily is filled with, and the user can make things convenient for discharging voluntarily.By this overflow mechanism, can prevent that machine oil is emitted in the atmosphere, has improved environmental-protecting performance.

Claims

1, a kind of air-strainer, comprise body (1), empty filter lid (2), suction tude (3) and steam outlet pipe (4), body (1) sidewall is provided with the suction port (5) that is used to discharge crankcase waste gas, it is characterized in that: an oil baffle (6) is set up in the inboard at empty filter lid (2), and makes it the suction port (5) of corresponding crankcase scavenged waste gas; Be provided with spill pipe joint (7) in the bottom of empty filter body (1), and pick out with spill pipe (8); Plug (11) shutoff of the other end of spill pipe (8).

2, air-strainer according to claim 1 is characterized in that described oil baffle (6) is an arcuate structure; Be horizontal or vertical curved baffle, or the concavity curved baffle.

3, air-strainer according to claim 1 and 2 is characterized in that described spill pipe (8) is a transparent plastic hose.