CN203296971U - Air filter - Google Patents

Abstract

The utility model provides an air filter. By the aid of the air filter, the problem of difficulty in minimization in the prior art can be solved. The air filter comprises a hollow case, an air outlet tube, a filter element assembly, a shell, an air inlet tube and an outer cover. The shell is attached onto the hollow case in a locked manner, the filter element assembly is arranged inside the shell, the air outlet tube is connected onto the hollow case, an air inlet is formed in the shell, the shell is connected with the air inlet tube, the outer cover is arranged at the air inlet and covers the air inlet tube, and an air inlet opening is formed in space between the shell and the hollow case. The air filter has the advantages that the outer cover covers the air inlet tube, so that external dust and water can be effectively prevented from directly entering the air inlet tube; the air inlet opening faces the center of a vehicle, so that dust and water from the outer side of the vehicle can be prevented from being directly guided into the air inlet tube when the vehicle runs, and abnormal actuation of an engine or influence on the service life of the engine can be prevented.

Description

Air-strainer

Technical field

The utility model is about a kind of air-strainer, espespecially a kind of air-strainer that is applicable to the locomotive engine gas handling system.

Background technique

For general motor vehicle, the side of its engine intake usually group is provided with an air-strainer, and this air-strainer is in order to filter ambient air, and after making it become peace and quiet air, then in the Carburetor of air that will be peace and quiet importing engine.

Refer to Fig. 1, Fig. 1 is the exploded view of existing air-strainer.The air-strainer 9 of existing locomotive is combined mutually by one first housing 91 and one second housing 93, and the first housing 91 has a chamber 96, and group is established an element kit 92 in the inner, and on the first housing 91, more is connected with one and enters tracheae 95 and a steam outlet pipe 94.To enter tracheae 95 and be disposed at the first housing 91 sides; mainly in order to prevent that sand and dust and water from being sucked by the tracheae 95 that enters of air-strainer; cause the engine start not normal or affect engine life; therefore just will enter tracheae 95 and be arranged at air and comparatively totally locate, namely near first housing 91 sides at vehicle center position.

in addition, existing also have employing to stop that with the vehicle moulding sand and dust and water enter the way into tracheae, yet, because engine performance requires more and more higher, and for the demand of air inlet also with increase, to strengthen as far as possible the air cleaner case space with meeting, so that more air can enter, engine filters and leads, but but want close mode on the engine configured in one piece, compact, existing configuration mode, no matter only will enter tracheae to be placed near the vehicle center position or changing the vehicle moulding stops most sand and dust and water, all can cause the vehicle can't miniaturization, sacrifice the material-putting space of original vehicle interior, or restriction vehicle shape-designing, not very good, still the space that is improved.

The model utility content

The utility model provides a kind of air-strainer, can solve the problem of prior art miniaturization difficulty.

Air-strainer of the present utility model comprises: a hollow box body, a steam outlet pipe, a filter core member, a housing, enter tracheae and an enclosing cover.Hollow box body is inner forms one first chamber, and offers an opening and an air outlet; Steam outlet pipe is connected to the place, air outlet of hollow box body, and part extends to the first chamber interior; The filter core member is attached to the opening of hollow box body; Housing offers an air intake, and is attached on hollow box body to form one second chamber, enters tracheae and housing and is connected to the air intake place, and extend in the second chamber; Enclosing cover is arranged at the air intake place on housing, and this enclosing cover covers this and enters tracheae, and forms an air inlet openings between this housing and this hollow box body.

For improving existing suction tude, be mounted on the air-strainer outside, air-strainer strengthens the problem that limited space and vehicle can't miniaturizations, the utility model will enter tracheae and extend setting to the second chamber, make the volume energy of air-strainer enlarge as far as possible, and also can reach close mode, compact on the engine configured in one piece, and arrange to air-strainer inside because entering the tracheae extension, and extend to as much as possible near the filtrating equipment place, the gas that can make to enter air-strainer can faster export to engine by the filter core member.

Simultaneously, for stopping that outside sand and dust and water enter into tracheae, air intake place on housing arranges enclosing cover and covers into tracheae, and between enclosing cover and housing and hollow box body, formed air inlet openings is towards hollow box body, and namely air inlet openings is towards the vehicle center position.Therefore, enter the covering of tracheae because of enclosing cover, can stop effectively that outside sand and dust and water directly enter into tracheae, in addition, air inlet openings is also to prevent that towards the vehicle center position in the Vehicle Driving Cycle process, sand and dust and the water from vehicle outside is directly imported in tracheae.By above-mentioned configuration; except can or limiting under the prerequisite of vehicle shape-designing at the material-putting space of not sacrificing original vehicle interior; make on the engine configured in one piece close mode, compact more; also can stop most sand and dust and water; avoid sand and dust and water to be sucked by the tracheae that enters of air-strainer, cause the engine start not normal or affect engine life.

Above-mentioned enclosing cover can be and uses adhesive to engage with the compound mode of housing, or in the air intake place of housing, be convexly equipped with a ㄇ type catch, enclosing cover secures on ㄇ type catch, wherein, ㄇ type catch and housing can be integral structure, and can have the edge that engages with hollow box body along housing, outwards extend in parallel two catch of setting, to stop part, by sand and dust and the water that outside sprays to engine, directly along housing, flow to the air intake place.

Except the mode of using locking, also can be provided with plural engagement pin in ㄇ type catch, and corresponding to plural engagement pin place, enclosing cover has plural perforate, so that the plural perforate of enclosing cover can corresponding snap into the plural engagement pin of ㄇ type catch, utilize the mode of engaging to be fixed, at this moment, enclosing cover can be the enclosing cover of elastic caoutchouc material, do not need tool using to assemble, to promote the convenience of assembling.

The accompanying drawing explanation

Fig. 1 is the exploded view of existing air-strainer.

Fig. 2 is the stereogram of the utility model the first preferred embodiment.

Fig. 3 is the exploded view of the utility model the first preferred embodiment.

Fig. 4 is the local amplification view of the utility model the first preferred embodiment.

[primary clustering symbol description]

1 air-strainer 11 hollow box bodies

111 air outlet 112 openings

113 first chamber 12 housings

121 air intake 122 second chambers

123 ㄇ type catch 124 catch

125 engagement pin 13 steam outlet pipes

14 enter tracheae 15 filter core members

16 enclosing cover 161 air inlet openings

162 perforate 9 air-strainer

91 first housing 92 element kits

93 second housing 94 steam outlet pipes

95 enter tracheae 96 chambers

Embodiment

For the ease of persons skilled in the art, understand and realize the utility model, now describing by reference to the accompanying drawings embodiment of the present utility model.

Refer to Fig. 2 and Fig. 3, Fig. 2 is the stereogram of the utility model the first preferred embodiment, and Fig. 3 is the exploded view of the present embodiment.As shown in Figure 3, the air-strainer 1 of the present embodiment comprises: a hollow box body 11, a steam outlet pipe 13, a filter core member 15, a housing 12, enter tracheae 14 and an enclosing cover 16.Inner one first chamber 113 that forms of hollow box body 11, offer an opening 112 and an air outlet 111, steam outlet pipe 13 is connected to 111 places, air outlet with hollow box body 11, and partly extends in this first chamber 113, and 15 of filter core members are attached to opening 112 places of hollow box body 11.Housing 12 offers an air intake 121, and be attached on hollow box body 11, to form one second chamber 122, enter tracheae 14 and be connected to air intake 121 places with housing 12, and extend in the second chamber 122, enclosing cover 16 is arranged at air intake 121 places on housing 12 again, and covers into tracheae 14, and forms an air inlet openings 161 at housing 12 and 11 of hollow box bodies.

in the present embodiment, the group equipment, method that air intake on enclosing cover 16 and housing 12 is 121, to convex with a ㄇ type catch 123 in air intake 121 places of housing 12, and ㄇ type catch 123 rear sides convex with an engagement pin 125, in order to strengthen engaging intensity, ㄇ type catch 123 has more the edge that engages with hollow box body 11 along housing 12, outwards extend in parallel two catch 124 of setting, on each catch, also be respectively arranged with an engagement pin 125, and correspond to above-mentioned three engagement pin 125 places at enclosing cover 16, have three perforates 162, therefore, three perforates 162 set on enclosing cover 16 can corresponding snap into three engagement pins 125 on ㄇ type catch 123, to utilize the engaging mode that enclosing cover 16 is fastened in to air intake 121 places on housing 12.

ㄇ type catch 123 outwards extends in parallel two catch 124 of setting; except being provided with two engagement pins 125 to be used for fixing enclosing cover 16; because of and height is arranged slightly and for along housing 12, with the edge that hollow box body 11 engages, to be arranged in parallel; also can be used to stop that part directly flow to the air intake place along housing 12 by sand and dust and the water that outside sprays to engine; and be inhaled into the entering in tracheae 14 of air-strainer 1; and then enter engine internal, cause the engine start not normal or affect engine life.

In addition, in order to increase the convenience of assembling, enclosing cover 16 is the enclosing cover of elastic caoutchouc material, to avoid enclosing cover 16 in assembling process, because of inelastic making firmly, after engaging, causes breakage.Again, in the present embodiment, ㄇ type catch 123 be the integral type structure with housing 12, only need can make in manufacturing once-through, to reduce operation and built-up time, and also can make the combination of 12 of ㄇ type catch 123 and housings more tight.

The assembling complete after as shown in Figure 4; Fig. 4 is the local amplification view of the present embodiment air-strainer; by clearly visible in figure; enclosing cover 16 can cover into tracheae 14; and the air inlet openings 161 that forms between enclosing cover 16 and this housing and this hollow box body is to arrange towards hollow box body 11; namely towards the below of air-strainer 1; therefore in the Vehicle Driving Cycle process; can stop most sand and dust and water; avoid sand and dust and water directly to be inhaled into entering in tracheae 14 of air-strainer 1; and enter engine internal, cause the engine start not normal or affect engine life.

Although described the utility model by embodiment, but those of ordinary skills know, in the situation that do not break away from spirit of the present utility model and essence, just can make the utility model that many distortion and variation are arranged, scope of the present utility model is limited to the appended claims.

Claims (7)

1. an air-strainer, is characterized in that, comprising:

One hollow box body, inner one first chamber that forms, offer an opening and an air outlet;

One steam outlet pipe, with this hollow box body, be connected to this place, air outlet, and part extends in this first chamber;

One filter core member, be attached to this opening of this hollow box body;

One housing, offer an air intake, and be attached on this hollow box body, to form one second chamber;

One enters tracheae, with this housing, is connected to this air intake place, and extends in this second chamber; And

One enclosing cover, be arranged at this air intake place on this housing, and this enclosing cover covers this and enters tracheae, and form an air inlet openings between this housing and this hollow box body.

2. air-strainer as claimed in claim 1, is characterized in that, this air intake place of this housing convexes with a ㄇ type catch, and this enclosing cover secures on this ㄇ type catch.

3. air-strainer as claimed in claim 2, is characterized in that, this ㄇ type catch has the edge that engages with this hollow box body along this housing, outwards extends in parallel two catch of setting.

4. air-strainer as claimed in claim 2, is characterized in that, this ㄇ type catch and this housing are the integral type structure.

5. air-strainer as claimed in claim 1, it is characterized in that, this air intake place of this housing convexes with a ㄇ type catch, on it, has plural engagement pin, this enclosing cover corresponds to this plural number engagement pin place and has plural perforate, so that this plural number perforate of this enclosing cover can corresponding snap into this plural number engagement pin of this ㄇ type catch.

6. air-strainer as claimed in claim 1, is characterized in that, enclosing cover is the enclosing cover of elastic caoutchouc material.

7. air-strainer as claimed in claim 1, is characterized in that, between this enclosing cover and this housing, with adhesive, engages.

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