CN201258804Y

CN201258804Y - Novel air cleaner for motorcycle

Info

Publication number: CN201258804Y
Application number: CNU2008202007378U
Authority: CN
Inventors: 施继民; 陈杰; 黄广龙
Original assignee: WUYANG-HONDA MOTORS (GUANGZHOU) Co Ltd
Current assignee: WUYANG-HONDA MOTORS (GUANGZHOU) Co Ltd
Priority date: 2008-09-19
Filing date: 2008-09-19
Publication date: 2009-06-17
Anticipated expiration: 2018-09-19

Abstract

The utility model disclose a novel motorcycle air cleaner, which comprises a shell, a case, a filter element, an inlet pipe, and an escape pipe, which is characterized in that the at least two layers of flame screens are arranged between the filter element and the outlet head of the escape pipe. The air filter can effectively protect the filter element and prevents the filter element from being damaged caused during the tempering of a carburetor, prolongs the service life, and greatly reduces the failure rate of usage of equipment.

Description

The motor cycle air-strainer

Technical field

The utility model belongs to motorcycle field, specifically, relates to a kind of riding-type motorcycle air-strainer.

Background technique

Existing air cleaner used on motorcycles as shown in Figure 1, is made up of parts such as gathering room 1, steam outlet pipe 2, empty filter lid 4, cleaner cartridge cleaner 5, empty filter housing 8, suction tude 9 usually.Wherein, gathering room 1 is connected on the steam outlet pipe 2, and steam outlet pipe 2 usefulness sealers are bonded on the sky filter lid 4, and cleaner cartridge cleaner 5 is fixed on the sky filter lid 4 by screw 6 and support, empty filter lid 4 is fixing by four screws 3 with empty filter housing 8, and suction tude 9 usefulness sealers are bonded on the sky filter housing 8.There is seal ring 7 to guarantee to have good sealing property between empty filter lid 4 and the empty filter housing 8..

Its working principle is: fresh air enters the bigger filter front space that sky filter lid 4 and empty filter housing 8 are formed from suction tude 9 (as shown by arrows), by entering motor from steam outlet pipe 2 after the filtration of filter core 5.Engine crankcase waste gas inserts steam outlet pipe 2 (as shown by arrows) from gathering room 1, makes it get back to the engine cycles burning.During use, the dust in the energy filtered air, sand grains etc., for motor provides oil inflame required clean air, recyclable crankcase waste gas achieves circulating combustion simultaneously.

In the present empty filter, filter core support protection filter core 5 is only arranged on the air flue between filter core 5 and the Carburetor, because filter core lacks effectively protection with the filter rear space, the protection effect is relatively poor, when Carburetor generation tempering, and serious even damage that can cause filter core.

In addition, the less space that the filter rear space that crankcase waste gas inserts is made up of gathering room 1, steam outlet pipe 2 and filter core 5 inner chambers, and also the interface internal diameter of gathering room 1 access steam outlet pipe 2 is very narrow and small, causes the discharge of waste gas to have some setbacks easily.

In addition, in existing design, the replacing of filter core is also comparatively difficult, need disassemble whole empty filter from car load, and the screw 3 of outwarding winding is taken sky filter lid 4 and empty filter housing 8 apart, and the screw 6 of outwarding winding again could be changed cleaner cartridge cleaner 5.

Summary of the invention

For addressing the above problem, the purpose of this utility model provides the effective motor cycle air-strainer of a kind of filter core protection.

The purpose of this utility model is achieved in that a kind of motor cycle air-strainer, comprises housing, cap, filter core, suction tude and steam outlet pipe, it is characterized in that: be provided with two-layer at least flame screen between described filter core and the steam outlet pipe outlet end.

Described flame screen is located at the filter core periphery or/and the entrance point of steam outlet pipe.

Described filter core is a wet type papery filter core, is rolled by the folding filter paper that ripple struction arranged to form, and preferably, the filter core two ends are fixed with loam cake and lower cover respectively, and periphery is provided with flame screen, forms a cylindric integral body.

The entrance point of described steam outlet pipe is provided with double-deck flame screen, and the cross section is crescent shape.

Described suction tude is socketed in the filter core, and filter core is located in housing and the formed inner chamber of cap, and the intracavity space of filter core periphery constitutes the filter rear space, and steam outlet pipe is communicated with this filter rear space.

Described filter rear space is provided with the crankcase waste gas interface.

Described suction tude and filter core are fixedlyed connected with cap by bolting element.

The beneficial effects of the utility model are as follows:

1. adopt two-layer above flame screen, can effectively protect filter core, to the damage of filter core, extend working life when preventing blow back, and equipment operational failure rate descends greatly;

2. adopt wet type papery filter core, effective filtration area is big, can not reduce its intake resistance when improving its filtering effect;

3. increase the filter rear space, make crankcase waste gas directly insert this space, can drain in the air-strainer swimmingly.

Description of drawings

Fig. 1 is the component decomposition map of air cleaner used on motorcycles in the prior art;

Fig. 2 is a component decomposition map of the present utility model;

Fig. 3 A is the structural representation after the utility model assembling, and Fig. 3 B is the A-A sectional drawing of Fig. 3 A, and Fig. 3 C is the B-B sectional drawing of Fig. 3 A;

Fig. 4 A is the structural representation of the utility model filter core, and Fig. 4 B is the C-C sectional drawing of Fig. 4 A;

Fig. 5 A is a steam outlet pipe structural representation of the present utility model, and Fig. 5 B is the plan view of double-deck flame screen, and Fig. 5 C is the sectional drawing of double-deck flame screen, and Fig. 5 D is the combination schematic representation of steam outlet pipe and double-deck flame screen.

Embodiment

As shown in Figure 2, the utility model is a kind of motor cycle air-strainer, comprises assemblies such as housing 10, cap 22, filter core 11, suction tude 14 and steam outlet pipe 12.

Its middle shell 10, cap 22 adopt ultrasonic welding to be connected into an integral body, are called sky filter frame set (as Fig. 3 B).Suction tude 14 is socketed in the filter core 11, and one reinstate screw 15 and be fixed on the cap 22, is plugged in the formed inner chamber of above-mentioned empty filter frame set.The intracavity space of filter core 11 peripheries constitutes bigger filter rear space, and steam outlet pipe 12 usefulness sealers are bonded on the cap 22 and with above-mentioned filter rear space and are communicated with, and are provided with secondary air compensating interface 23 and crankcase waste gas interface 16 on empty filter frame set.Crankcase waste gas directly inserts this filter rear space by crankcase waste gas interface 16, compared with prior art, has increased the volume in crankcase waste gas access space greatly, and crankcase waste gas can be drained in the air-strainer swimmingly.This structure has increased the filter rear space as far as possible, and has made crankcase waste gas insert this space not influencing under the car load assembling prerequisite, and its volume can reach 2200ml, and waste gas is discharged more smooth and easy, and can store more condensed waters.Condensed water is to be formed through empty filter condensation by the steam in the waste gas, and therefore more condensed waters are stored in and help preventing that its refluence from postbacking motivation in the sky filter.

Be provided with two-layer at least flame screen between filter core 11 and steam outlet pipe 12 outlet ends, for example, flame screen is located at the periphery of filter core 11 or/and the entrance point 121 of steam outlet pipe 12.In the present embodiment, the entrance point 121 of steam outlet pipe 12 is provided with double-deck flame screen 13, and while filter core 11 peripheries are socket one flame screen 21 again.

Shown in Fig. 4 A, preferably, filter core 11 adopts the wet type papery filter core of oil spout, to overcome sponge filter core or the not good shortcoming of dry type filter element filtering effect.Filter core 11 should increase its effective filtration area as much as possible, can not reduce its intake resistance when can improve its filtering effect, and for example filter core 11 is rolled by the folding filter paper that ripple struction arranged and forms in the present embodiment, and the filter paper interface is clamped by U template 20.Filter core 11 two ends are fixed with loam cake 18 and lower cover 19 respectively, and periphery is provided with Metal-Piercing flame screen 21, form a cylindric integral body.Filter core 11 is reinstated screw 15 by loam cake 18 and suction tude 14 1 and is fixed on the cap 22, thereby can be under the situation of not dismantling whole air-strainer, renew cartridge 11 more easily, and more 11 need of renew cartridge screw 15 of outwarding winding gets final product.Be provided with seal ring 3 in the groove of filter core loam cake 18, to strengthen the sealing between loam cake 18 and the cap 22.The effective filtration area of the utility model filter core 11 is not less than 1750cm ³, at 28.5m ³Original intake resistance under the/h air mass flow is not more than 0.11kPa, and original filtering efficiency can reach 99.75%, and evidence can not reduce its intake resistance when improving its filtering effect.

The entrance point 121 of steam outlet pipe 12 is provided with metal fire prevention filter screen.In the present embodiment, shown in Fig. 5 A～5D, this metal fire prevention filter screen is double-deck flame screen 13, and its cross section is crescent shape, leaves appropriate gap between the stratum reticulare and forms air buffer, makes flameproof effect better.Be provided with groove 122 in the entrance point 121 week, double-deck fire prevention filter screen 13 is flush-mounted in the groove 122 by folder portion 131.Entrance point 121 peripheries are provided with groove 123, are used for combining with cap 22.

In the present embodiment; entrance point 121 at steam outlet pipe 12 is provided with the pair of lamina gauze diaphragm, adds upper filter 11 outer field Metal-Piercing flame screens 21, forms three metafiltration nets on the air flue between filter core 21 and the Carburetor; effective protection filter core, when preventing blow back to the damage of filter core.

Working principle of the present utility model: fresh air enters filter core 11 inner chambers (filter front space) from suction tude 14, enters the bigger filter rear space that sky filter frame set forms after filtering through filter core 11, enters motor by steam outlet pipe 12 again; Simultaneously, engine crankcase waste gas directly inserts bigger filter rear space by crankcase waste gas interface 16, makes its exhaust smooth and easy.In addition, be used for the filter rear space of the air suction valve of secondary air compensating, can cancel the filtrating equipment that secondary air compensating is used, to reduce cost by the empty filter of secondary air compensating interface 23 accesses.

Present embodiment is through market checking and car load, engine performance test etc., and the result shows: filter core does not occur because blow back and impaired phenomenon; Can effectively solve because crankcase waste gas is discharged " machine oil turns white " problem that has some setbacks and caused; Car load power improves 5%, and oil consumption reduces by 3%.

Claims

1. a motor cycle air-strainer comprises housing, cap, filter core, suction tude and steam outlet pipe, it is characterized in that: be provided with two-layer at least flame screen between described filter core and the steam outlet pipe outlet end.

2. motor cycle air-strainer according to claim 1 is characterized in that: described flame screen is located at the filter core periphery or/and the entrance point of steam outlet pipe.

3. motor cycle air-strainer according to claim 1 is characterized in that: described filter core is a wet type papery filter core.

4. according to claim 1,2 or 3 described motor cycle air-strainer, it is characterized in that: described filter core is rolled by the folding filter paper that ripple struction arranged and forms.

5. according to claim 1,2 or 3 described motor cycle air-strainer, it is characterized in that: described filter core two ends are fixed with loam cake and lower cover respectively, and periphery is provided with flame screen, form a cylindric integral body.

6. according to claim 1,2 or 3 described motor cycle air-strainer, it is characterized in that: the entrance point of described steam outlet pipe is provided with double-deck flame screen.

7. according to claim 1,2 or 3 described motor cycle air-strainer, it is characterized in that: the cross section of described double-deck flame screen is crescent shape.

8. motor cycle air-strainer according to claim 1, it is characterized in that: described suction tude is socketed in the filter core, filter core is located in housing and the formed inner chamber of cap, and the intracavity space of filter core periphery constitutes the filter rear space, and steam outlet pipe is communicated with this filter rear space.

9. motor cycle air-strainer according to claim 8 is characterized in that: described filter rear space is provided with the crankcase waste gas interface.

10. motor cycle air-strainer according to claim 1 is characterized in that: described suction tude and filter core are fixedlyed connected with cap by bolting element.