CN1181458A

CN1181458A - Air cleaner

Info

Publication number: CN1181458A
Application number: CN97121249A
Authority: CN
Inventors: 铃木均; 荻巢纪之; 松浦弘明
Original assignee: Honda Motor Co Ltd
Current assignee: Honda Motor Co Ltd
Priority date: 1996-10-31
Filing date: 1997-10-30
Publication date: 1998-05-13
Anticipated expiration: 2017-10-30
Also published as: JPH10131816A; JP3720150B2; ID18750A; KR100273865B1; KR19980033395A; CN1078666C; BR9705180A

Abstract

The air cleaner is divided into an air cleaner cover and an air cleaner case, the air cleaner cover is provided with a discharge port, and the connecting part of the conical pipe is fitted, and the peripheral edge of the opening is joined to the outer peripheral groove. The flange part of the bracket member is fitted in the connection part and joined to the inner peripheral groove, and the conical pipe and the air cleaner element are integrated with the air cleaner cover. The flange part is larger than the discharge port, and the filter element is compressed between the annular rib integrated with the air cleaner cover and the flange formed around the side panel of the bracket member. A guide recess is provided at the center of the side panel, and a guide protrusion for inserting a cap nut is provided at the center of the corresponding air filter, and the battery frame is installed with bolts. Simplifies the assembly of the air cleaner.

Description

Air-strainer

The present invention relates to a kind of assembling and be easy to air-strainer.

Japanese patent gazette discloses a kind of air cleaner of motor bicycle special public clear 61-38346 number, this air-strainer has air filter housing, air-strainer cover and air filter element, this air filter housing is provided with intake line, this air-strainer cover is installed the opening portion of this air filter housing with being sealed and is connected with the conical pipe that is communicated with Carburetor, and this air filter element is housed in by in the hood-shaped enclosed space that becomes of air filter housing and air-strainer.

Air filter element is a tubular, and side is inserted support element within it, and the one end is inserted into conical pipe joint inboard, and this conical pipe is fitted to the opening peripheral portion of the exhaust port that is formed at air-cleaner box.

When assembling this air-strainer, support element one end that filter core is installed is inserted into above-mentioned joint inboard, then with each peristome portion alignment of air filter housing and air-strainer cover, around couple together, connected on every side thereby air filter element is closely pressed against joint at the inner face of air filter housing.

For general air-strainer, air filter element need be connected airtight in joint, do not allow air leakage.Yet, in the occasion of above-mentioned structure, if earlier air filter housing is not engaged with the air-strainer cover, just can not finish the tight joint construction of above-mentioned joint and air filter element, and, under assembled state, can not use the air filter element of visual examination inside.

,, need in assembling process, note carefully for this reason, thereby wish to have the structure that is easier to assemble at the assembling scene of air-strainer.

In order to address the above problem, air-strainer of the present invention has air filter housing, air-strainer cover and air filter element, this air filter housing is provided with intake line, this air-strainer cover is installed the opening portion of this air filter housing with being sealed and is connected with the conical pipe that is communicated with Carburetor, and this air filter element is contained in by in the hood-shaped enclosed space that becomes of air filter housing and air-strainer; It is characterized in that: the opening peripheral portion that closely is installed in the exhaust port that is formed at the air-strainer cover by the joint that will be formed at above-mentioned conical tube one end, and air filter element closely is installed on above-mentioned joint, make conical tube and air filter element be integrally formed into assembly with respect to the air-strainer cover.

At this moment, also can closely engage with the opening peripheral portion of exhaust port in circumferential groove with above-mentioned joint, and, form lip part greater than exhaust port in an end of the support element of air filter element, this lip part closely is engaged in the internal circle groove of joint.

In addition, also can nearby form from the inwardly square integratedly cyclic rib that protrudes of air-strainer cover at the opening peripheral portion of exhaust port, the filter core resiliently deformable ground of air filter element is clamped between this ring rib and the lip part, this lip part be formed on the support element that constitutes filter element by air filter housing one side end.

In addition, also can be located at support element, with air filter housing face in opposite directions on the side plate place, the guiding recess of taper is set, and make to protrude with the inner face of this guiding recess air filter housing in opposite directions and form the guiding protuberance, this guiding protuberance enters in the recess that leads and positions during assembling.

And, also can form recess at the outer side surface of air filter housing, in this storage battery accommodation section, accumulator stand is connected in air filter housing and also the connection counter-element of this connector element is located in the above-mentioned guiding protuberance by connector element as the storage battery accommodation section.

The joint of conical tube closely is installed on the opening peripheral portion of the exhaust port that is formed at the air-strainer cover, and air filter element closely is installed on this joint, then can with conical tube and air filter element and air-strainer is hood-shaped be integral, become assembly.

Owing to can obtain the fluid-tight engagement structure of joint and air filter element at this assembly self, so before the overall package of air-strainer, it only is the tightlock status of available visual examination joint and air filter element by this assembly, after checking out, only need air-strainer cover and air filter housing are engaged, air-strainer can be assembled, and compare in the past, it is very easy that assembling operation becomes.

At this moment, the lip part that makes an end that is formed at the support element that constitutes air filter element is greater than exhaust port, this lip part is bonded on the inboard of joint, support element by this lip part joint can not deviate from from exhaust port, so can play the filter core of support air filter element and prevent the effect that joint is deviate from.

In addition, opening peripheral portion at exhaust port nearby makes cyclic rib protrude formation to air filter housing one side, then when the filter core with air filter element is installed to support element, filter core resiliently deformable ground is clamped in be located at support element between the flange and cyclic rib of the end of air filter housing one side, do not need the crimping of air filter housing can prevent between air filter element and exhaust port, to form the gap.

In addition, support element with air filter housing face in opposite directions on form the guiding recess, housing inner face at corresponding with it air-strainer forms the guiding protuberance, then when making air filter housing and air-strainer cover integrated, the guiding protuberance enters in the guiding recess and is located, so but precision makes the joining portion fluid-tight engagement of air filter housing and air-strainer cover well.

In addition, when establishing battery container portion at the outer side surface of air filter housing and with connector element accumulator stand being installed in the outer side surface of air filter housing therein, be located at the guiding protuberance as connection counter-element with this connector element, then there is no need to be provided with the special structure that usefulness such as bump connect counter-element, can make a guiding protuberance multifunction, thus the simple structure of making.

Fig. 1 is the sectional view that contains the air-strainer joint.

Fig. 2 is the two-wheeled outward appearance side view that this air-strainer is installed.

Fig. 3 is the major component enlarged side view that its motor and air-strainer part are shown.

Fig. 4 is the perspective exploded view of air-strainer.

Fig. 5 cuts right side view after the part for air-strainer.

Fig. 6 cuts left side view after the part for air-strainer.

Fig. 7 is a plan view.

Fig. 8 is its rear view.

The embodiment who is used for two-wheeled air-strainer is described below with reference to the accompanying drawings.Fig. 1 is the sectional view (being equivalent to along the sectional view of 1-1 line among Fig. 5) that contains the joint of air-strainer, Fig. 2 is the two-wheeled outward appearance side view that this air-strainer is installed, Fig. 3 is the major component enlarged side view that its motor and air-strainer part are shown, Fig. 4 is the perspective exploded view of air-strainer, Fig. 5 is the right side view after the part of cutting of air-strainer, Fig. 6 cuts left side view after the part for air-strainer, Fig. 7 is a plan view, and Fig. 8 is its rear view.

In Fig. 2 and Fig. 3, this is two-wheeled by front fork 2 supporting front-wheels 1, but the upper end portion free rotaring ground supporting of this front fork 2 is in head pipe 3 and can be by turning to 4 steering operations freely.

Label 5 is a handle, and label 6 is a head lamp case, and label 7 is an instrument, and label 8 is a head lamp, and label 9 is anterior flash-mode blinker, and label 10 is a front mudguard, and label 11 is a car plate.

From the beginning master bracket 12 is managed 3 and is rearward extended, and extends pairing left and right pivot support frame 13 downwards from end thereafter, and similarly extends a pair of vehicle seat rail 14 towards the rear along the direction of level substantially.

In addition, be provided with and from the beginning manage the anterior lower support frame 15 of pairing left and right that extend along oblique below 3 below, by these master brackets 12, pivot support frame 13, anterior lower support frame 15 supporting engines 16.

Label 17 is a Carburetor, and label 18 is a starter motor, and label 19 is a crankcase.

But the bottom at pivot support frame 13 front end of pairing left and right rear portion swing arm 21 in pivot 20 place's free swaying ground supportings, at the rearward end supporting wheels 22 of this rear portion swing arm 21.

From pivot 20 pivot support frame 13 nearby obliquely upward rear side extend pairing left and right rear pole 23, near the joint of these rear pole 23 upper end portions and vehicle seat rail 14 to the rearward end of rear arm 21, pairing left and right buffer 24 is installed.

Label 25 is a fuel tank, and label 26 is a vehicle seat, and label 27 is a back cover, and label 27a is the flash-mode blinker, and label 28 is the side cover, and label 29 is for being used for side cover 28 is installed to the bolt of the nut 29a (Fig. 3) on the pivot support frame 13.

Accommodate air-strainer 30 in the space that is covered by this side cover 28, air-strainer 30 is connected in Carburetor 17 by conical tube 31, and rearward extends suction pipe 32.

By Fig. 1, Fig. 4～Fig. 8 as can be known, this air-strainer 30 air filter housing 35 of having the air-strainer cover 33 that is connected with conical pipe 31 and air filter element 34 cylindraceous and intake line 32 being installed.

Air-strainer cover 33 also is connected and integrated (with reference to Fig. 4) with screw 38 by the lug boss around the

alignment

36,37 with air filter housing 35, forms the cardinal principle sealed space that can accommodate air-strainer 34 in inside.

Conical pipe 31 is formed by suitable elastic material such as rubber, and the one end forms the joint 40 that is made of the heavy wall annulus, forms circumferential groove 41 in its periphery, and week forms internal circle groove 42 within it.The other end of conical pipe 31 is by being with 43 closely to be connected in Carburetor 17.

Air-strainer cover 33 also has to a certain degree by plastics etc. that the suitable material of rigidity forms, and portion forms circular exhaust port 50 in the central.But the shape of exhaust port 50 is not limited to circle, also can be other different shape.

By joint 40 is embedded in this exhaust port 50, the opening peripheral portion 51 of exhaust port 50 closely is engaged in the circumferential groove 41 of joint 40, conical pipe 31 and air-strainer cover 33 can be linked together airtightly.

The collar flange 52 that surrounds opening peripheral portion 51 is annularly protruded formation towards the direction of air filter housing 35 with air-strainer cover 33 with being integral.

Air filter element 34 is formed by Steel Support member cylindraceous 60 and cylindric flexible plastic bubble

material filter core

61,62 of being installed on around it.

Support element 60 is formed with the internal diameter of the external diameter of 63,64, one sides' of outward flange portion flange 63 greater than exhaust port 50 at axial two ends, and is engaged in the internal circle groove 42 of joint 40.

Lip part 64 is bigger than lip part 63, it extends protrusion integratedly and forms on the radial direction of side plate 65, and its peripheral part is towards the bending of the direction of air-strainer cover 33, and this side plate 65 is formed on the end face of close air filter housing 35 1 sides of support element 60.

Central part at side plate 65 forms guiding recess 66, and this guiding recess 66 has the wall of taper and is recessed into towards air-strainer cover 33 directions.

In addition, the main part 67 of support element 60 forms a plurality of intercommunicating pores 68 with the punching shape, is provided with wire netting 69 in exhaust port 50 sides.The inner space of support element 60 becomes the clean side of air-strainer, is the dust-break side around the air filter element 34.

At air filter housing 35 inner side surfaces, in guiding recess 66 corresponding positions, protrude integratedly and form guiding protuberance 70, be equipped with at its front end and be also used as guiding element 71 backstop and buffering member, that constitute by suitable elastic material such as rubber.

Guiding element 71 can be closely chimeric substantially with guiding recess 66, and its side is and the guiding recess 66 corresponding conical surfaces.

Embed in guiding protuberance 70 and be formed with acorn nut member 72, the opening side of its tapped hole is in the storage battery accommodation section 73 that is formed at air filter housing 35 outer side surfaces.

Storage battery accommodation section 73 is to form towards the direction of air-strainer cover 33 is recessed by the part with air filter housing 35 outer side surfaces, and accumulator stand mounting groove 74 is to form along fore-and-aft direction by the position that coincides with guiding protuberance 70 in this storage battery accommodation section 73.

The part that coincides at the central part of accumulator stand mounting groove 74 and guiding protuberance 70 is for towards the recessed recess 74a of air-strainer cover 33 directions, and the tapped hole of above-mentioned acorn nut member 72 is exactly (Fig. 4,6) of opening here.

Storage battery supporting station portion 75 is formed at the bottom of air filter housing 35, and forms dovetail slot part 76 in its lower section, forms nut portions 77 at the front and back heavy section that clips this dovetail slot part 76.

End face at air filter housing 35 convexes to form assembly department 78 upward, and this assembly department 78 is installed to the carriage 78a (Fig. 3) that is located at 14 on left and right sides vehicle seat rail.

The commissura portion 79 of air filter housing 35 closely is coupled to the groove 54 interior (with reference to Fig. 1) of the two strip commissura portions 53 that are formed at air-strainer cover 33 by seal ring 55.

In the accumulator stand mounting groove 74 of air filter housing 35, chimeric metal band plate-like accumulator stand 80, and be connected in the outer side surface of air filter housing 35 by bolt 82 at the protuberance 81 that bending is arranged at its central part.

Protuberance 81 is embedded in the recess 74a of accumulator stand mounting groove 74, and preformed through hole is consistent with acorn nut member 72, and acorn nut member 72 is the connection counter-element as the bolt 82 of connector element.

Length direction two ends at accumulator stand 80 form mounting hole 83, form mounting hole 86 clamping the lath that is roughly the font 85 two ends that storage battery 84 installs from foreign side, this mounting hole 86 is alignd with mounting hole 83 and can be connected with freely installing and removing with suitable installation component 87.

Storage battery 84 is contained in the storage battery accommodation section 73, and its bottom supporting and is bearing in the outer side surface of air filter housing 35 by lath 85 and accumulator stand 80 under the state outside reaching storage battery supporting station portion 75 in storage battery supporting station portion 75.

At the bottom of air filter housing 35 setting tool case 90.This toolbox 90 is for there being bottom tube-like, is inserted in the dovetail slot part 76 below the storage battery supporting station portion 75 by being formed at protuberance 91 its top, that have the inverted cone side, and it is connected, forms one on above-below direction.

The through hole that is formed at toolbox 90 opening portions installation edge portion 95 is nearby alignd with nut portions 77, and the through hole 93 that will cover the lid 92 of 90 opening portions in the toolbox overlaps with nut portions 77, these 3 members are fixed together with screw 94, thus but open-close lid 92.

Below, the effect of present embodiment is described.When this air-strainer of assembling, as shown in Figure 4, the joint 40 with conical tube 31 is fitted in the exhaust port 50 of air-strainer 33 earlier, makes the opening peripheral portion 51 of exhaust port 50 closely be engaged in circumferential groove 41.

Then, the lip part 63 of support element 60 is pushed into the inboard of joint 40, fluid-tight engagement is in internal circle groove 42.

When

filter core

61 and 62 is installed to support element 60 around the time, filter core 61 resiliently deformables also are bearing between the kink of cyclic rib 52 and lip part 64 with being compressive state, so air-strainer cover 33 also is connected airtightly with 34 of air filter elements.

Like this, as shown in Figure 1, conical tube 31 and air filter element 34 form one with respect to air-strainer cover 33, become an assembly.

In this assembly, be closely tied in circumferential groove 41 by making opening peripheral portion 51, thereby air-strainer cover 33 and conical tube 31 are installed airtightly, and also air filter element 34 is installed as described above airtightly.

In the stage of this component states, can if the situation that is in incomplete coupled condition is arranged, can re-assembly immediately with the coupled condition of Visual Confirmation air filter element 34 with air-strainer cover 33 in this stage, so assembling operation is extremely simple and easily, operating rate improves.

In addition, because the external diameter of lip part 63 is greater than the internal diameter of opening peripheral portion 51, so when lip part 63 was engaged in internal circle groove 42, conical tube 31 was fixed, and can not come off.At lip part 63 and exhaust port 50 is non-circular occasion, and the external diameter that makes lip part 63 when both are overlapped is greater than exhaust port 50.

When air filter housing 35 was installed, guiding element 71 was guided and accommodates in the guiding recess 66, correctly carried out the location that engages of commissura portion 79 and commissura portion 53 thus, thereby can realize the connection of high-air-tightness.

And, owing to utilize 70 acorn nut members 72 of guiding protuberance to insert as the installation pairing side of bolt 82, therefore the special structure that bump etc. is used for acorn nut member 72 needn't be set in addition, can make the internal structure of air-strainer simple guiding protuberance 70 multifunctions.

Claims

1. air-strainer, it has air filter housing, air-strainer cover and air filter element, this air filter housing has intake line, this air-strainer cover is installed the opening portion of this air filter housing sealing ground and is connected with the conical tube that is communicated with Carburetor, and this air filter element is contained in by in the hood-shaped enclosed space that becomes of air filter housing and air-strainer; It is characterized in that: the opening peripheral portion that closely is installed in the exhaust port that is formed at the air-strainer cover by the joint that will be formed at above-mentioned conical tube one end, and air filter element closely is installed on above-mentioned joint, make conical tube and air filter element be integrally formed into assembly with respect to the air-strainer cover.

2. air-strainer as claimed in claim 1, it is characterized in that: above-mentioned joint circumferential groove is closely engaged with the opening peripheral portion of exhaust port, and form lip part greater than exhaust port in an end of the support element of air filter element, this lip part closely is engaged in the internal circle groove of joint.

3. air-strainer as claimed in claim 1, it is characterized in that: the opening peripheral portion at exhaust port nearby forms from the inwardly square integratedly cyclic rib that protrudes of air-strainer cover, the filter core resiliently deformable ground of air-strainer is clamped between this cyclic rib and the lip part, and this lip part is formed at the end by air filter housing one side of the support element that constitutes above-mentioned air filter element.

4. air-strainer as claimed in claim 1, it is characterized in that: be located at support element, with air filter housing face in opposite directions on the side plate place, the guiding recess of taper is set, and make and this guiding recess air filter housing inner face protrusion formation guiding protuberance in opposite directions, this guiding protuberance enters in the guiding recess and positions during assembling.

5. air-strainer as claimed in claim 4, it is characterized in that: form recess as the storage battery accommodation section at the outer side surface of air filter housing, in this storage battery accommodation section, accumulator stand is connected in air filter housing, and the connection counter-element of this connector element is located in the above-mentioned guiding protuberance by connector element.