CN101194096A - Air cleaner of engine and air cleaner mounting device for mounting air cleaner on engine - Google Patents
Air cleaner of engine and air cleaner mounting device for mounting air cleaner on engine Download PDFInfo
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- CN101194096A CN101194096A CNA2006800208484A CN200680020848A CN101194096A CN 101194096 A CN101194096 A CN 101194096A CN A2006800208484 A CNA2006800208484 A CN A2006800208484A CN 200680020848 A CN200680020848 A CN 200680020848A CN 101194096 A CN101194096 A CN 101194096A
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Abstract
An air cleaner (AC) of an engine, wherein the skirt wall (11a) of an upper cover body (11) near a suction port (50) is extended to the lower side of the suction port (50) to prevent rain drips flowing down the outer surface of a cleaner cover body (10) from being sucked into the air cleaner through the suction port (50). A seal packing (68) and a cleaner element unit (Ue) are stackingly fitted to the outer periphery of a suction passage (17) in the cleaner cover body (10), and a locking projection (75) tightly engaged with the suction passage (17) is formed on the seal packing (68) to prevent the seal packing (68) from falling down when the cleaner element unit (Ue) is replaced. Furthermore, the air cleaner (AC) is disposed on one side of the engine (E) parallel with each other, the lower part of the cleaner cover body (10) is integrally joined to and supported on the engine (E) together with a carburetor (4) with a pair of connection bolts (22, 23). The reinforcement vertical wall part (37) of the cleaner cover body (10) facing the engine (E) through a clearance is integrally joined to and supported on the engine (E) with the other one connection bolt (24). Thus, the supporting rigidity of the air cleaner for supporting the air cleaner on the engine (E) can be increased.
Description
Technical field
The present invention relates to motor, be particularly related to and prevent to be inhaled into and to prevent that along being arranged on the raindrop that flow down on the outer surface of the filter cleaner cover body on the general purpose engine ambient air that sucks is not cleaned just is inhaled into the air-strainer that starts pusher side, so relate to be used for ambient air purified and import motor particularly general purpose engine, air-strainer is installed to air cleaner mounting structure on the motor.
Background technique
Usually, engine-driven work machine is many in outdoor application, and, because the air-strainer that is connected with the gas handling system of motor is in the state that is exposed in the atmosphere, therefore may cause following unfavorable condition: the raindrop that flow down along the outer wall of air-strainer cover body, be subjected to the air-intake negative-pressure effect of motor, be inhaled in the air-strainer.
Therefore, known in the past have: rainhat is set on air-strainer, enters (reference example such as patent documentation 1) in the air-strainer to prevent rainwater.
In addition, it is also known for the air-strainer (reference example such as patent documentation 2) of such motor: in the air-strainer of general purpose engine in the past, on the base plate of the lower surface opening that seals the motor housing, be provided with and engage tube (air induction mast), this joint tube is gone up the chimeric air cleaner cartridge that has, between this air cleaner cartridge and base plate, clamp liner, thereby do not make the ambient air that contains dust by the ambient air filter element, thereby avoid it directly to go out to the motor side leakage.
In addition, it is also known for such technology (with reference to patent documentation 3): in general purpose engine in the past, be used to suck and purify behind the ambient air its air-strainer that imports motor, utilize secure component such as bolt to be supported on a side of the cylinder portion of this motor integratedly.
Patent documentation 1: the real public clear 63-11322 communique of Japan
Patent documentation 2: the real fiche of opening flat 1-78258 number of Japan
Patent documentation 3: the real public clear 59-62263 communique of Japan
But, disclosure according to above-mentioned patent documentation 1, the rainhat that is provided with on air-strainer has the circular cone inclined plane part, be equipped with a plurality of pump ports of special shape thereon, and these pump ports form labyrinths such as being provided with perisporium, thereby not only cause cost to rise, and under the big situation of charge flow rate, can't prevent the suction of rainwater fully.
In addition, disclosure according to above-mentioned patent documentation 2, for upkeep operations such as the replacing of carrying out air cleaner cartridge and cleaning etc., when it is unloaded from engaging tube, therefore liner under the tight contact condition of air-strainer might be unloaded, and has when assembling once more neglected loading or loses other problem such as this liner.
In addition, generally in general purpose engine, utilize the air-strainer cleaned air passes, in the Carburetor on being supported in motor with fuel mixing adjustment, this mixed gas is supplied to motor afterwards, therefore, air-strainer is in the position of leaving motor across Carburetor, be supported on this motor with overhanging state, thereby the problem that has the rigidity of support be difficult to guarantee air-strainer, and increasing under the situation of air-strainer cavity volume in order to improve the air-strainer performance, can cause the air-strainer cover to increase and the problems referred to above are more remarkable, and then, for air-strainer is fastened on the motor, sometimes also to take off the air-strainer cover air-strainer and motor are tightened up, thus other this problem of terminal operation inefficiency that also can cause air-strainer and motor.
Summary of the invention
The present invention finishes in view of above-mentioned actual conditions, and its purpose is to provide a kind of and can solves air-strainer above-mentioned all problems, new work engine and this air-strainer is installed to air cleaner mounting structure on the motor.
To achieve these goals, in accordance with a first feature of the invention, the air-strainer of motor as described below has been proposed: on the filter cleaner cover body, be provided with pump port that is communicated with ambient air and the exhaust port that is communicated with the suction port of motor, and portion accommodates the air cleaner cartridge unit that is used to purify from the next ambient air of pump port suction within it, it is characterized in that, near above-mentioned pump port,, extend to the below of pump port around sidewall this pump port, the filter cleaner cover body.
To achieve these goals, according to second feature of the present invention, a kind of air-strainer of motor is proposed on above-mentioned first feature base, it is characterized in that, between above-mentioned pump port and sidewall, be provided with containment wall, formed by above-mentioned sidewall and containment wall and extend to pump port below and have the opposed double wall in ground, space.
To achieve these goals, according to the 3rd feature of the present invention, on above-mentioned first or second feature base, a kind of engine air filter has been proposed, it is characterized in that, above-mentioned containment wall to be being provided with the outer openings edge of above-mentioned sidewall mode arranged side by side along above-mentioned pump port, and then prolongs towards the direction of leaving above-mentioned pump port, and is bent to form to cover pump port from both sides.
To achieve these goals, according to the 4th feature of the present invention, on above-mentioned first, second or the 3rd feature base, a kind of air-strainer of motor has been proposed, it is characterized in that, above-mentioned pump port has the extension with respect to the central side expansion of mind-set filter cleaner cover body wherein, and is connected with the air induction mast that upwards prolongs in the filter cleaner cover body integratedly, and the diameter of this air induction mast dwindles to the outlet of its upper end gradually from the inlet of pumping slot side.
To achieve these goals, according to the 5th feature of the present invention, a kind of air-strainer of motor has been proposed, on the filter cleaner cover body, be provided with pump port that is communicated with ambient air and the exhaust port that is communicated with the suction port of motor, and portion accommodates the filter core unit that is used to purify from the next ambient air of pump port suction within it, it is characterized in that, in the filter cleaner cover body, be provided with the inlet air pathway that the pump port that will be provided with and exhaust port are communicated with on the filter cleaner cover body, at overlapping chimeric liner of the periphery of this inlet air pathway and filter core unit, discharge to exhaust port behind the ambient air that is taken into from pump port by above-mentioned filter element purification unit, and prevent that by above-mentioned liner air from directly leaking into exhaust port, on above-mentioned liner, be provided with the anticreep parts that closely engage with the filter cleaner cover body, thereby prevent that liner from coming off easily from inlet air pathway.
To achieve these goals, the 6th feature according to the present invention, a kind of air-strainer of motor has been proposed, on the filter cleaner cover body, be provided with pump port that is communicated with ambient air and the exhaust port that is communicated with the suction port of motor, and portion accommodates the filter core unit that is used to purify from the next ambient air of pump port suction within it, it is characterized in that, the filter cleaner cover body is made of upper outlet body and the lower cover that is fixed in the upper outlet body bottom, on the partition wall that is arranged on the lower cover, be provided with the inlet air pathway that pump port that will be arranged at upper outlet body and the exhaust port that is arranged at lower cover are communicated with, at the periphery of this inlet air pathway overlapping chimeric have liner and filter core unit, discharge to exhaust port behind the ambient air that utilizes above-mentioned filter element purification unit to be taken into from pump port, and above-mentioned liner is installed between filter core unit and the partition wall, thereby prevent that air from directly leaking into exhaust port, on above-mentioned liner, be provided with the anticreep parts that closely engage with lower cover, thereby prevent that liner from coming off easily from inlet air pathway.
To achieve these goals, the 7th feature according to the present invention on the above-mentioned the 5th or the 6th feature base, has proposed a kind of air-strainer of motor, it is characterized in that the anticreep parts of above-mentioned liner closely engage with the outer circumferential face of above-mentioned inlet air pathway.
To achieve these goals, the 8th feature according to the present invention on above-mentioned the 6th feature base, has proposed a kind of air-strainer of motor, it is characterized in that the anticreep parts of above-mentioned liner closely engage with the groove that forms on above-mentioned partition wall.
To achieve these goals, the 9th feature according to the present invention on above-mentioned the 5th, six, seven or eight feature base, has proposed a kind of air-strainer of motor, it is characterized in that above-mentioned anticreep parts are formed on the face except that sealing surface of above-mentioned liner.
To achieve these goals, the tenth feature according to the present invention, proposed a kind of air-strainer to be installed to air cleaner mounting structure on the motor, it is that air-strainer with motor is installed to the erecting device on the motor, on the filter cleaner cover body, be provided with pump port that is communicated with ambient air and the exhaust port that is communicated with the suction port of motor, and portion accommodates the filter core unit that is used to purify from the next ambient air of pump port suction within it, it is characterized in that, air-strainer is set up in parallel the side in motor, and the bottom that constitutes the filter cleaner cover body of its shell is supported on the motor by the combination integratedly of a pair of secure component with Carburetor; And,, be supported on the motor by the combination integratedly of another secure component with the reinforcement longitudinal wall part of the opposed with gap filter cleaner cover body of motor existence.
To achieve these goals, the 11 feature according to the present invention, proposed a kind of air-strainer to be installed to air cleaner mounting structure on the motor, it is that air-strainer with motor is installed to the erecting device on the motor, on the filter cleaner cover body, be provided with pump port that is communicated with ambient air and the exhaust port that is communicated with the suction port of motor, and portion accommodates the filter core unit that is used to purify from the next ambient air of pump port suction within it, it is characterized in that, air-strainer is set up in parallel the side at motor, form the filter cleaner cover body of the shell of above-mentioned air-strainer, by connecting upper outlet body integratedly and lower cover constitutes, above-mentioned upper outlet body is equipped with and will imports the filter core unit of air purification, above-mentioned lower cover forms the admission line of the ambient air guiding motor after will purifying, above-mentioned lower cover surface is thereon divided upper outlet body and lower cover, and form the partition wall that lower cover top is strengthened, the bottom of above-mentioned lower cover is supported on the motor by the combination integratedly of a pair of secure component with Carburetor; And the reinforcement longitudinal wall part of the approaching above-mentioned partition wall on lower cover top is supported on the motor by the combination integratedly of another secure component.
To achieve these goals, the 12 feature according to the present invention, on above-mentioned the 11 feature base, proposed a kind of air-strainer to be installed to air cleaner mounting structure on the motor, it is characterized in that, formed boss part on the reinforcement longitudinal wall part of above-mentioned lower cover, this boss part has the hollow cylinder hole of extending towards motor, be fixed on another secure component on the motor, the hollow cylinder hole of perforation lower cover also is fixed on the motor.
To achieve these goals, the 13 feature according to the present invention, on above-mentioned the tenth, 11 or 12 feature base, proposed a kind of air-strainer to be installed to air cleaner mounting structure on the motor, it is characterized in that, above-mentioned a pair of secure component and another secure component are connecting bolt, and their central axis almost parallel all can be operated these connecting bolts from the outside of filter cleaner cover body.
First to fourth feature according to the present invention only by existing air-strainer is improved a little, just can prevent to enter in the air-strainer by pump port from the water droplets such as raindrop that filter cleaner cover body outer surface flows down.
Particularly according to second and third feature, make water droplet such as raindrop impact containment wall and flow down, thereby can further avoid this water droplet to enter in the air-strainer reliably.
Particularly according to the 4th feature, near the pump port induction air flow ratio is reduced and make water droplet such as raindrop be difficult for being directed to pumping slot side, help to prevent that water droplet from entering the effect in the air-strainer thereby have.
The the 5th to the 9th feature according to the present invention, the filter core unit is changed and upkeep operation such as cleaning and with it when inlet air pathway unloads, liner can not take place keep somewhere situation in original position, thereby avoided forgetting the situation of assembling sealing liner, and prevented to lose the sealing liner.
Particularly according to the 9th feature, can on the sealing liner, be provided with the anticreep parts and can not influence the effect of the sealing surface of liner.
The the tenth to the 13 feature according to the present invention, can naming a person for a particular job with three, air-strainer is fastening to be supported on the motor, especially utilize the reinforcement longitudinal wall of the high rigidity of filter cleaner cover body that the filter cleaner cover body is fastened on the motor, thereby can improve the rigidity of support of air-strainer on motor.
Particularly according to the 12 feature, can make the reinforcement longitudinal wall part that has an opposed with gap filter cleaner cover body with motor near motor and be fastened on this motor, and can further improve the rigidity of support of air-strainer on motor.
Particularly according to the 13 feature, the fastening direction of three connecting bolts is identical, and can implement the fastening operation of these bolts from the filter cleaner cover body outside, thereby is easy to carry out the fastening operation of air-strainer on motor.
Description of drawings
Fig. 1 is the plan view with general purpose engine unit of air-strainer of the present invention.(first embodiment)
Fig. 2 be Fig. 1 arrow 2 to view.(first embodiment)
Fig. 3 is the amplification view along the 3-3 line of Fig. 2.(first embodiment)
Fig. 4 is the sectional view along the 4-4 line of Fig. 3.(first embodiment)
Fig. 5 is the sectional view along the 5-5 line of Fig. 3.(first embodiment)
Fig. 6 is the sectional view along the 6-6 line of Fig. 3.(first embodiment)
Fig. 7 is the sectional view along the 7-7 line of Fig. 5.(first embodiment)
Fig. 8 is the exploded perspective view of air-strainer.(first embodiment)
Fig. 9 is the amplification plan view along the liner of the 9-9 line of Fig. 8.(first embodiment)
Figure 10 is the sectional view along the 10-10 line of Fig. 9.(first embodiment)
Figure 11 is the enlarged view that the dummy line of Fig. 3 surrounds part.(first embodiment)
Figure 12 is the plan view of liner.(second embodiment)
Figure 13 is the sectional view along the 13-13 line of Figure 12.(second embodiment)
Figure 14 is and the corresponding figure of Figure 11 (first embodiment).(second embodiment)
Figure 15 is the plan view of liner.(the 3rd embodiment)
Figure 16 is the sectional view along the 16-16 line of Figure 15.(the 3rd embodiment)
Figure 17 is and the corresponding figure of Figure 11 (first embodiment).(the 3rd embodiment)
Symbol description
4 Carburetors;
10 filter cleaner cover bodies;
11 upper outlet bodies;
The 11a sidewall;
12 lower covers;
13 admission lines;
14 partition walls;
16 exhaust ports;
17 inlet air pathways;
22 secure components (connecting bolt);
23 secure components (connecting bolt);
24 secure components (connecting bolt);
37 longitudinal wall part;
38 boss part;
39 hollow cylinder holes;
50 pump ports;
The 50a extension;
The center of 50c pump port;
51 air induction masts;
53 containment walls;
54 spaces;
68 liners;
71,73 sealing surfaces;
75 anticreep parts (anticreep projection);
The 22l central axis;
The 23l central axis;
The 24l central axis;
268 liners;
271,273 sealing surfaces;
275,276 anticreep parts (anticreep projection);
368 liners;
371,373 sealing surfaces;
378 anticreep parts (anticreep projection);
379 grooves;
E-engine;
The Ep suction port;
Ue filter core unit
Embodiment
Below based on the embodiments of the invention shown in the accompanying drawing embodiments of the present invention are specifically described.
First embodiment
At first, describe referring to figs. 1 through 11 pairs of first embodiment of the present invention.
At Fig. 1, in 2, the general purpose engine unit, general purpose engine E as the power source of various working machines is a four stroke engine, this general purpose engine E has the crankcase 2 of the bent axle 1 that supports the along continuous straight runs configuration and the cylinder portion 3 of giving prominence to obliquely upward from this crankcase 2, directly over crankcase 2, dispose support fuel tank T thereon, in addition, side in cylinder portion 3 is equipped with Carburetor 4, air-strainer AC that is connected with this Carburetor 4 and the muffler M that is connected with the opposite side of cylinder portion 3, be listed in the side of fuel tank T and be disposed at cylinder portion 3 directly over.
Below with reference to Fig. 1 to Figure 11 the structure of air-strainer AC of the present invention is elaborated.
As among Fig. 3 the most clearly expression like that, the shell of air-strainer AC is that air-strainer cover body 10 is plastic, and makes the combination integratedly of upper outlet body 11 and lower cover 12 and constitute.The cap shape that opens wide below upper outlet body 11 forms.In addition, lower cover 12 has at above-below direction and forms the admission line 13 of long bend shape and seal its partition wall 14 above opening, thereby forms sealed shape, the releasably airtight chimeric upper surface that is connecting lower cover 12 below the opening of upper outlet body 11.
As Fig. 3,4 and shown in Figure 8, the intermediate portion outstanding integratedly vent path 17 that is provided with the square tube shape in upper outlet body 11 at partition wall 14 communicates with each other by this inlet air pathway 17 in the upper outlet body 11 and in the lower cover 12.On the top of the admission line 13 of lower cover 12, be fixed with the stay bolt 18 that extends along vertical direction.This stay bolt 18 passes through in above-mentioned inlet air pathway 17 and vertically connects in the upper outlet body 11, the screw section of these stay bolt 18 upper ends runs through at the mounting hole 19 of the upper wall setting of this upper outlet body and is projected into outside it, by screwing nut 20 herein upper outlet body 11 releasably is fixed on the partition wall 14 of lower cover 12.
In the lower end of lower cover 12, be the lower end of admission line 13, offer the exhaust port 16 of air-strainer AC, this exhaust port 16 is connected (with reference to Fig. 6) with the upstream extremity of Carburetor 4.As described later, the lower cover 12 of above-mentioned air-strainer AC rigidly fixes in the cylinder portion 3 that is supported on above-mentioned motor E with height.
Below, with reference to Fig. 2 to Fig. 7 above-mentioned supporting structure is described.
The lower cover 12 of air-strainer AC with supported at three point in the cylinder portion 3 of motor E.Particularly, as Fig. 3 and shown in Figure 6, the end portion of lower cover 12 by two connecting bolts 22,23 via Carburetor 4 with in 2 cylinder portions 3 that are supported on motor E, in addition, shown in Fig. 3,5 and 7, the upper end part of lower cover 12, promptly near the part of above-mentioned partition wall 14, directly be supported in the cylinder portion 3 of motor E by a connecting bolt 24 with a bit.As shown in Figure 6, on the cylinder head part 3H of the cylinder portion 3 of motor E, connecting the downstream side of Carburetor 4, in addition, connecting the end portion of above-mentioned lower cover 12 integratedly across liner 26 at the upstream side of this Carburetor 4 via packing ring 25.The end portion of lower cover 12 uses two to connect connecting bolts 22,23 and fix, and above-mentioned perforation connecting bolt 22,23 runs through the bolt hole 27,28 that is provided with at lower cover 12 and Carburetor 4 and screws togather with the cylinder head part 3H of cylinder portion 3.Be embedded in metallic sleeve 29 at the bolt hole 27 that covers 12 down, thereby, also can have prevented lower cover 12 distortion even fastening by connecting bolt 22,23 is carried out.The admission line 13 that on the lower cover 12 of air-strainer AC, forms, be communicated with the suction port Ep of motor E by the intake duct 30 of Carburetor 4, as usually, enter the interior air of air-strainer AC and in Carburetor 4 with after the fuel mix, be directed to suction port Ep.
Among Fig. 6, symbol 32 and 33 is chock plate and closure on the intake duct 30 that can be arranged at Carburetor 4 with opening and closing.
Shown in Fig. 3,5, longitudinal wall part 37 is upper end parts of close above-mentioned partition wall 14 of the lower cover 12 of air-strainer AC, and this longitudinal wall part 37 has high rigidity, is formed with the boss part 38 of tubular on longitudinal wall part 37.Forming towards lower cover 12 inboards be that the cylinder portion 3 of motor E extends long on this boss part 38 has hollow cylinder hole, the end 39, on the inwall in this hollow cylinder hole 39, connects and is provided with bolt hole 40.In addition, with the wall of this bolt hole 40 cylinder head part 3H relative, cylinder portion 3 on, bolt thread hole 41 is set, as shown in Figure 5, bolt hole 40 and bolt thread hole 41 are on same axis.In above-mentioned bolt thread hole 41, be combined with stud bolt 24 as connecting bolt.This stud bolt 24 runs through the tapped hole 40 of lower cover 12, its screw section is projected in the hollow cylinder hole 39 afterwards, on its screw section, screw nut 42, thereby the top of lower cover 12 can be fixed on the cylinder head part 3H of cylinder portion 3 by this connecting bolt 24.Therefore, the top of lower cover 12 can be fixed on by connecting bolt 24 in the cylinder portion 3 of motor E soundly with the longitudinal wall part 37 of its high rigidity (be positioned near the partition wall 14, and strengthened by boss part 38).
As shown in Figure 5, above-mentioned two connecting bolts 22 and 23 axis 22l and 23l, almost parallel and fastening direction are identical each other with the axis 24l of stud bolt 24, and these three connecting bolts 22,23 and 24, can both implement from the outside of air-strainer AC screw and unscrew operation, thereby being easy to carry out be installed in operation in the cylinder portion 3 of motor E with air-strainer AC.
As mentioned above, the lower cover 12 of air-strainer AC by three connecting bolts 22,23 and 24, is fixed on supported at three point in the cylinder portion 3 of motor E, thereby can increases substantially its rigidity of support.In addition, above-mentioned boss part 38 has towards cylinder portion 3 and darker hollow cylinder hole 39, shortened the distance that screws of using connecting bolt 24, thereby can make air-strainer AC is cylinder portion 3 near starting the assembly department of pusher side, and fixed support thereon, therefore further improved its rigidity of support.
As Fig. 3 and shown in Figure 8, in the upper outlet body 11 of air-strainer AC, releasably accommodate filter core unit Ue described later.
At the partition wall 14 of lower cover 12, be upper wall one side (Fig. 3,4 right side) of lower cover 12, offer the pump port 50 that is used to be taken into ambient air.As shown in Figure 4, this pump port 50 forms long slotted hole on the direction vertical with the center line c-c of the center 18c that is communicated with its center 50c and stay bolt 18, and have the extension 50a towards the central O side expansion of lower cover 12 with respect to its center 50c, this pump port 50 forms more wide area on the whole.As shown in Figure 3, on above-mentioned pump port 50, be connected with the air induction mast 51 of the square tube shape of in upper outlet body 11, extending.This air induction mast 51 forms the inlet diminishing chimney shape of outlet diameter on it from suction port 50 sides.
On outer openings edge above-mentioned pump port 50, that leave filter core unit Ue one side, along this peristome containment wall 53 that hangs down integratedly.As shown in Figure 4, this containment wall 53 covers pump port 50, and prolongs along the direction of leaving this pump port 50, then with mode bending that covers pump port 50 length direction two ends and the internal surface bottom that is connected in upper outlet body 11.Therefore, above-mentioned containment wall 53 has covered the approximate half branch that leaves filter core unit Ue one side of pump port 50.In addition, the lower end of sidewall 11a upper outlet body 11, the pump port 50 near, extend to the below of pump port 50, its extending portion and containment wall 53 are opposed and extend side by side with this containment wall 53, and the lower end of the lower end of this extending portion and above-mentioned containment wall 53 is roughly the same degree.In addition, as shown in Figure 3, the sidewall 11a of above-mentioned containment wall 53 and upper outlet body 11 has formed double wall opposite each other below pump port 50 outer openings edge, is formed with the space of opening wide 54 between them downwards.
In addition, the general purpose engine working machine generally is used for outdoor more, certainly have the situation of rainy day use, the raindrop that on the upper outlet body 11 of air-strainer AC, flow down, arrive ora terminalis under it from the upper surface of this upper outlet body 11 along its sidewall 11a, and be inhaled in the air-strainer AC by pump port 50, but according to present embodiment, then have and to prevent actively that raindrop from entering the structure in the air-strainer AC, that is:
(1), near the lower end of the sidewall 11a of pump port 50, be extended for than pump port 50 and be positioned at the below,
Thereby can prevent that intake negative-pressure is drawn onto pump port 50 with raindrop.
(2), in addition, cover pump port 50 and extend to the containment wall 53 of below of this pump port 50 and the sidewall 11a of upper outlet body 11 forms double wall,
Thereby, even because above-mentioned (1) still is drawn onto the raindrop of pump port 50, walks around the lower edge of sidewall 11a and flow into space 54, but raindrop impact containment wall 53 and fall at this, can prevent reliably further that thus raindrop are inhaled into pump port 50.
(3) and then, pump port 50 have with respect to its center 50c to the center of stay bolt 18 18c side, be the extension 50a of the center side expansion of cover body 10, and the diameter of the air induction mast 51 that is connected with pump port 50 enters the mouth to export from it and dwindles gradually,
Thereby intake negative-pressure is weakened near pump port 50, slow down air inlet flow velocity herein, help to prevent that by above-mentioned (1) and (2) raindrop are inhaled into the effect in the air-strainer AC.
In the upper outlet body 11 of above-mentioned filter cleaner cover body 10, hold being supported with filter core unit Ue.As Fig. 3 and shown in Figure 8, this filter core unit Ue integral body becomes oval tubular, and constitute by the upper plate 63 and the lower plate 64 of filter element 60 and sheet metal system, above-mentioned filter element 60 is lamination papery filter cleaner 62 and ammonia ester filter cleaner 61 and form the oval tubular that top and bottom are opened wide, and above-mentioned upper plate 63 and lower plate 64 are installed on the top and bottom of opening wide of above-mentioned filter element 60 and it is implemented sealing.At the central part of upper plate 63 mounting hole 66 of rubber bushing 65 that has been provided with setting-in, the central part of this external lower plate 64 offers embedding hole 67, and this embedding hole 67 releasably is entrenched on the vent path 17 of the outstanding square tube shape of above-mentioned partition wall 14.
As shown in Figure 3, the embedding hole 67 of the lower plate 64 of filter core unit Ue is embedded in the outer circumferential face of vent path 17, thereby is seated at partition wall 14 across liner 68.And, stay bolt 18 vertically connects the filter in-core by vent path 17, the screw section of these stay bolt 18 upper ends connects the rubber bushing 65 of mounting hole 66 and is projected into the outside, and on this protruding terminus, screw nut 69, thereby filter core unit Ue releasably is fixedly supported on the partition wall 14 of lower cover 12 across liner 68.
This filter core unit Ue marks off the Cd of not purifying chamber and its inboard Cc of purifying chamber in its outside in upper outlet body 11, running along with motor E, air enters the not Cd of purifying chamber from pump port 50, after filtering, enter the Cc of purifying chamber, from vent path 17 Carburetor 4 that leads via admission line 13 by filter element 60.
Between the lower surface of the lower plate 64 of the upper surface of partition wall 14 and filter core unit Ue, clamp the liner 68 that constitutes by rubber bushing.Sealing liner 68 is directly sucked the Cc of purifying chamber with not sealing airtightly between Cd of purifying chamber and the Cc of purifying chamber with the air that prevents from not purify.Shown in Fig. 9,10,11, above-mentioned liner 68 forms four side ring shapes and is entrenched on the root outer circumferential face of inlet air pathway 17 of square tube shape.On the width direction intermediate portion of sealing surface 71 on the above-mentioned liner 68 and lower sealing surface 73, giving prominence to integratedly and being provided with the cross section is leg-of-mutton upperlip sheet 72 and 74, upper labial plate 72 closely contacts on the lower surface of the lower plate 64 of filter core unit Ue, in addition, labial plate 74 closely contacts on the upper surface of partition wall 14.In addition, on the inner peripheral surface of liner 68, open the compartment of terrain outstanding integratedly towards the inboard to be provided with a plurality of anticreep parts be anticreep projection 75 in its circumferential sky, these anticreep projections 75 are passed through frictional force to each other and are closely engaged on the outer circumferential face root of inlet air pathway 17, for example for maintenance such as the replacing of carrying out filter core unit Ue or cleaning with this filter core unit Ue when inlet air pathway 17 is pulled up, can make sealing liner 68 be attached to that filter core unit Ue goes up and can not break away from from inlet air pathway 17 easily.Therefore, can avoid the neglected loading when liner 68 is installed to inlet air pathway 17 or lose.
Second embodiment
Describe below with reference to Figure 12 to the 14 pair of second embodiment of the present invention.
This second embodiment is slightly different with the foregoing description in the following areas: clamp the liner 268 that is made of rubber bushing and the structure of assembly department thereof between the lower surface of the lower plate 64 of the upper surface of partition wall 14 and filter core unit Ue.Liner 268 forms four side ring shapes, and similarly is entrenched on the root outer circumferential face of inlet air pathway 17 of square tube shape with above-mentioned first embodiment.On the width direction intermediate portion of sealing surface 271 on the above-mentioned liner 268 and lower sealing surface 273, giving prominence to integratedly and being provided with the cross section is leg-of-mutton upperlip sheet 272,274, upper labial plate 272 closely contacts on the lower surface of the lower plate 64 of filter core unit Ue, and labial plate 274 closely contacts on the upper surface of partition wall 14.In addition, on the inner peripheral surface of liner 268, open in its circumferential sky that the compartment of terrain is outstanding integratedly towards the inboard to be provided with a plurality of inboard anticreep projections 275 as the anticreep parts; And on the outer circumferential face of liner 268, open in its circumferential sky that the compartment of terrain is outstanding integratedly toward the outer side to be provided with a plurality of outside anticreep projections 276 as the anticreep parts.
In addition, as shown in figure 14, on the upper surface of the partition wall 14 of lower cover 12, be formed with the groove 277 of ring-type, be embedded in above-mentioned liner 268 at this groove 277 around the root of inlet air pathway 17.In addition, the upper-lower seal face 271,273 of sealing liner 268 closely contacts with the bottom surface of the groove 277 of filter core unit Ue and partition wall 14, and the air of the Cd of purifying chamber side directly escapes to the Cc of purifying chamber to avoid not, prevents that dust etc. from entering motor E.In addition, inboard anticreep projection 277 closely is fastened on the outer circumferential face root of inlet air pathway 17, and outside anticreep projection 276 closely engages on the side of above-mentioned groove 277.In addition, for example for maintenance such as the replacing of carrying out filter core unit Ue or cleaning with this filter core unit Ue when inlet air pathway 17 is pulled up, can make sealing liner 268 be attached to that filter core unit Ue goes up and can not break away from from inlet air pathway 17 easily.Therefore, can avoid the neglected loading when liner 268 is installed to inlet air pathway 17 or lose.
In addition, in this second embodiment, be the chest shape if make groove 277 form the cross section, and make the liner 268 that is entrenched in this groove form the chest shape similarly, can prevent effectively further that then liner 268 from deviating from from groove 277.
The 3rd embodiment
Describe below with reference to Figure 15 to 17 pair of third embodiment of the invention.
This 3rd embodiment is slightly different with above-mentioned first embodiment in the following areas: clamp the liner 368 that is made of rubber bushing and the structure of assembly department thereof between the lower surface of the lower plate 64 of the upper surface of partition wall 14 and filter core unit Ue.Liner 368 forms four side ring shapes, and similarly is entrenched on the root outer circumferential face of inlet air pathway 17 of square tube shape with above-mentioned first embodiment.On the width direction intermediate portion of sealing surface 371 on the above-mentioned liner 368 and lower sealing surface 373, being provided with the cross section integratedly is leg-of-mutton upperlip sheet 372,374, upper labial plate 372 closely contacts on the lower surface of the lower plate 64 of filter core unit Ue, and labial plate 374 closely contacts on the upper surface of partition wall 14.In addition, on the lower surface of liner 368, open the outstanding a plurality of anticreep projections 378 that are provided with as the anticreep parts of compartment of terrain one in its circumferential sky.
In addition, as shown in figure 17, on the upper surface of the partition wall 14 of lower cover 12, be formed with the groove 379 of ring-type, be embedded in above-mentioned anticreep projection 378 at this groove 379 around the root of inlet air pathway 17.Upper-lower seal face 371,373 closely contacts with partition wall 14 with filter core unit Ue, and the air of the Cd of purifying chamber side directly escapes to the Cc of purifying chamber to avoid not, prevents that dust etc. from entering motor E.In addition, anticreep projection 378 closely engages with groove 379, for maintenance such as the replacing of carrying out filter core unit Ue or cleaning with this filter core unit Ue when inlet air pathway 17 is pulled up, can make sealing liner 368 be attached to that filter core unit Ue goes up and can not break away from from inlet air pathway 17 easily.Therefore, can avoid the neglected loading when liner 268 is installed to inlet air pathway 17 or lose.
More than the embodiment of the invention is illustrated, but the invention is not restricted to this embodiment, and can be the various embodiments in the scope of the invention.
For example, in the above-described embodiments, the filter cleaner cover body of air-strainer is made of upper outlet body and lower cover split, but their one are constituted.In addition, also can only constitute the filter cleaner cover body, its unlimited following sealing this moment by diapire by upper outlet body.In addition, though in the above-described embodiments,, also can use other equivalent secure component to replace it to the situation of connecting bolt as secure component is illustrated.
Claims (13)
1. the air-strainer of a motor, on filter cleaner cover body (10), be provided with pump port (50) that is communicated with ambient air and the exhaust port (16) that is communicated with the suction port (Ep) of motor (E), and portion accommodates the filter core unit (Ue) that is used for purifying from the next ambient air of pump port (50) suction within it, it is characterized in that
Near above-mentioned pump port (50),, extend to the below of pump port (50) around sidewall (11a) this pump port (50), filter cleaner cover body (10).
2. the air-strainer of motor according to claim 1 is characterized in that,
Between above-mentioned pump port (50) and sidewall (11a), be provided with containment wall (53), formed by above-mentioned sidewall (11a) and containment wall (53) and extend to pump port (50) below and have space opposed double wall (54).
3. the air-strainer of motor according to claim 1 and 2 is characterized in that,
Above-mentioned containment wall (53) to be being provided with the outer openings edge of above-mentioned sidewall (11a) mode arranged side by side along above-mentioned pump port (50), and then prolongs towards the direction of leaving above-mentioned pump port (50), and is bent to form to cover pump port (50) from both sides.
4. according to the air-strainer of claim 1,2 or 3 described motors, it is characterized in that,
Above-mentioned pump port (50) has the extension (50a) to the center side expansion of filter cleaner cover body (10) with respect to its center (50c), and be connected with the air induction mast (51) that prolongs upward in the filter cleaner cover body (10) integratedly, the diameter of this air induction mast (51) dwindles to the outlet of its upper end gradually from the inlet of pump port (50) side.
5. the air-strainer of a motor, on filter cleaner cover body (10), be provided with pump port (50) that is communicated with ambient air and the exhaust port (16) that is communicated with the suction port (Ep) of motor (E), and portion accommodates the filter core unit (Ue) that is used for purifying from the next ambient air of pump port (50) suction within it, it is characterized in that
In filter cleaner cover body (10), be provided with pump port (50) and the exhaust port (16) that to go up setting at filter cleaner cover body (10) and be communicated with the inlet air pathway (17) of getting up, at the overlapping chimeric liner (68 of the periphery of this inlet air pathway (17); 268; 368) and filter core unit (Ue), the ambient air that is taken into from pump port (50) is purified the back by above-mentioned filter core unit (Ue) and discharges to exhaust port (16), and by above-mentioned liner (68; 268; 368) prevent that air from directly leaking into exhaust port (16),
At above-mentioned liner (68; 268; 368) on, be provided with the anticreep parts (75 that closely engage with filter cleaner cover body (10); 275,276; 378), thus prevent liner (68; 268; 368) deviate from easily from inlet air pathway (17).
6. the air-strainer of a motor, on filter cleaner cover body (10), be provided with pump port (50) that is communicated with ambient air and the exhaust port (16) that is communicated with the suction port (Ep) of motor (E), and portion accommodates the filter core unit (Ue) that is used for purifying from the next ambient air of pump port (50) suction within it, it is characterized in that
Filter cleaner cover body (10) is made of upper outlet body (11) and the lower cover (12) that is fixed in upper outlet body (11) bottom, on the partition wall (14) that is arranged on the lower cover (12), be provided with pump port (50) that will be arranged at upper outlet body (11) and the exhaust port (16) that is arranged at lower cover (12) and be communicated with the inlet air pathway (17) of getting up, at the overlapping chimeric liner (68 of the periphery of this vent path (17); 268; 368) and filter core unit (Ue), the ambient air that is taken into from pump port (50) is purified the back by above-mentioned filter core unit (Ue) and discharges to exhaust port (16), and above-mentioned liner (68; 268; 368) be installed between filter core unit (Ue) and the partition wall (14), thereby can prevent that air from directly leaking into exhaust port (16),
At above-mentioned liner (68; 268; 368) on, be provided with the anticreep parts (75 that closely engage with lower cover (12); 275,276; 378), thus prevent liner (68; 268; 368) deviate from easily from inlet air pathway (17).
7. according to the air-strainer of claim 5 or 6 described motors, it is characterized in that,
Above-mentioned liner (68; 268) anticreep parts (75; 275), the outer circumferential face with above-mentioned inlet air pathway (17) closely engages.
8. the air-strainer of motor according to claim 6 is characterized in that,
The anticreep parts (378) of above-mentioned liner (368) closely engage with the groove (379) of going up formation at above-mentioned partition wall (14).
9. according to the air-strainer of claim 5,6,7 or 8 described motors, it is characterized in that,
Above-mentioned anticreep parts (75; What 275,276) be formed on above-mentioned liner (Ue) removes sealing surface (71,73; 271,273) on the face in addition.
10. one kind is installed to air cleaner mounting structure on the motor with air-strainer, it is that air-strainer with motor is installed to the erecting device on the motor, on filter cleaner cover body (10), be provided with pump port (50) that is communicated with ambient air and the exhaust port (16) that is communicated with the suction port (Ep) of motor (E), and portion accommodates the filter core unit (Ue) that is used for purifying from the next ambient air of pump port (50) suction within it, it is characterized in that
Air-strainer (AC) is set up in parallel the side at motor (E), and the bottom that constitutes the filter cleaner cover body (10) of its shell is supported on the motor (E) by a pair of secure component (22,23) combination integratedly with Carburetor (4); And,
With the reinforcement longitudinal wall part (37) of motor (E) the opposed with gap filter cleaner cover body of existence (10), be supported on the motor (E) by another secure component (24) combination integratedly.
11. one kind is installed to air cleaner mounting structure on the motor with air-strainer, it is that air-strainer with motor is installed to the erecting device on the motor, on filter cleaner cover body (10), be provided with pump port (50) that is communicated with ambient air and the exhaust port (16) that is communicated with the suction port (Ep) of motor (E), and portion accommodates the filter core unit (Ue) that is used for purifying from the next ambient air of pump port (50) suction within it, it is characterized in that
Air-strainer (AC) is set up in parallel the side at motor (E), form the filter cleaner cover body (10) of above-mentioned air-strainer (AC) shell, by connecting upper outlet body (11) integratedly and lower cover (12) constitutes, above-mentioned upper outlet body (11) is equipped with and will imports the filter core unit (Ue) of air purification, above-mentioned lower cover (12) forms the admission line (13) of the ambient air guiding motor (E) after will purifying, above-mentioned lower cover (12) surface is thereon divided upper outlet body (11) and lower cover (12), and form the partition wall (14) that lower cover (12) top is strengthened
The bottom of above-mentioned lower cover (12) is supported on the motor (E) by a pair of secure component (22,23) combination integratedly with Carburetor (4); And the reinforcement longitudinal wall part (37) of the approaching above-mentioned partition wall (14) on lower cover (12) top is supported on the motor (E) by another secure component (24) combination integratedly.
12. according to claim 11 air-strainer is installed to air cleaner mounting structure on the motor, it is characterized in that,
On the reinforcement longitudinal wall part (37) of above-mentioned lower cover (12), formed boss part (38), this boss part (38) has the hollow cylinder hole (39) of extending towards motor (E), be fixed on another secure component (24) on the motor (E), the hollow cylinder hole (39) of perforation lower cover (12) also is fixed on the motor (E).
13. described air-strainer is installed to air cleaner mounting structure on the motor according to claim 10,11 or 12, it is characterized in that,
Above-mentioned a pair of secure component (22,23) and another secure component (24) are connecting bolt, and their central axis (221,231,241) almost parallel all can be operated these connecting bolts (22,23,24) from the outside of filter cleaner cover body (10).
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP183594/2005 | 2005-06-23 | ||
| JP183599/2005 | 2005-06-23 | ||
| JP183600/2005 | 2005-06-23 | ||
| JP2005183594A JP4364842B2 (en) | 2005-06-23 | 2005-06-23 | Engine air cleaner mounting device |
| JP2005183599A JP4430586B2 (en) | 2005-06-23 | 2005-06-23 | Engine air cleaner |
| JP2005183600A JP4372054B2 (en) | 2005-06-23 | 2005-06-23 | Sealing device for engine air cleaner |
| PCT/JP2006/312607 WO2006137518A1 (en) | 2005-06-23 | 2006-06-23 | Air cleaner of engine and air cleaner mounting device for mounting air cleaner on engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101194096A true CN101194096A (en) | 2008-06-04 |
| CN101194096B CN101194096B (en) | 2011-01-19 |
Family
ID=37688586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006800208484A Expired - Fee Related CN101194096B (en) | 2005-06-23 | 2006-06-23 | Air cleaner of engine and air cleaner mounting device for mounting air cleaner on engine |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4364842B2 (en) |
| CN (1) | CN101194096B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103429882A (en) * | 2011-04-26 | 2013-12-04 | 株式会社Roki | Air intake device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112696293A (en) * | 2021-01-09 | 2021-04-23 | 广西玉柴机器股份有限公司 | Structure for supporting air filter |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3528430B2 (en) * | 1996-04-30 | 2004-05-17 | スズキ株式会社 | Vehicle air cleaner support structure |
| JP4137252B2 (en) * | 1998-10-28 | 2008-08-20 | 株式会社イノアックコーポレーション | Boss structure for mounting resin molded products |
| JP2000213429A (en) * | 1999-01-19 | 2000-08-02 | Honda Motor Co Ltd | Air-cooled internal combustion engine |
| JP2003127950A (en) * | 2001-10-23 | 2003-05-08 | Suzuki Motor Corp | Arrangement structure of air cleaner in motorcycle |
| JP4092170B2 (en) * | 2002-10-18 | 2008-05-28 | 本田技研工業株式会社 | Engine breather equipment |
-
2005
- 2005-06-23 JP JP2005183594A patent/JP4364842B2/en not_active Expired - Fee Related
-
2006
- 2006-06-23 CN CN2006800208484A patent/CN101194096B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103429882A (en) * | 2011-04-26 | 2013-12-04 | 株式会社Roki | Air intake device |
| CN103429882B (en) * | 2011-04-26 | 2016-08-31 | 株式会社Roki | Air intake installation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101194096B (en) | 2011-01-19 |
| JP4364842B2 (en) | 2009-11-18 |
| JP2007002738A (en) | 2007-01-11 |
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