Air filter of diesel engine

Abstract

The utility model relates to the technical field of air filters, and discloses an air filter of a diesel engine, which solves the problems of low air inlet efficiency and speed of the existing air filter, and comprises a filter element sleeve shell, an air outlet is arranged on the outer side of the filter element sleeve shell, and an air inlet mechanism is arranged at the top of the filter element sleeve shell. The air inlet mechanism comprises an air inlet shell located at the top of the filter element sleeve shell, an inner ring is arranged on the inner side of the air inlet shell, a plurality of filtering fan blades are fixedly connected between the inner ring and the air inlet shell at equal angles, a plurality of air inlet fan blades are fixedly connected to the bottom of the air inlet shell at equal angles, and two exhaust holes are symmetrically formed in the bottom of the air inlet shell. The air inlet fan blades are in an arc shape bent towards the inner side, every two adjacent air inlet fan blades are arranged in a staggered mode, and the bending direction and the bending angle of the filtering fan blades are the same as those of the air inlet fan blades. According to the utility model, the entering gas is further filtered through the arc-shaped air duct for the second time, so that the resistance is reduced and the air inlet speed is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to air cleaner technical field, concretely is a diesel engine air cleaner. BACKGROUND

[0002] Air cleaner is mainly by filter core and shell two parts, filter core is the core component of air cleaner, is made of special material, mainly bears the filtration of gas, and the shell is the external structure for filter core provides necessary protection, the main working principle of air cleaner is through filter medium to block and adsorb the impurities in air, when air flows through the filter, filter medium will effectively block dust, pollen, abrasive particles and other solid impurities, prevent them from entering the mechanical equipment or engine inside, at the same time, filter can also adsorb moisture in air, coal smoke, ozone, peculiar smell, carbon oxide, SO2, CO2 and other harmful gases and substances, ensure that the air quality that enters mechanical equipment or engine reaches the best state.

[0003] The existing air cleaner is generally filtered by air passage and honeycomb filter core double action to air, and although the filter fan blade of the inner ring of air passage is inclined at a certain angle, the blade itself is flat without arc, which can easily cause large resistance and affect the air inlet efficiency and speed. UTILITY MODEL CONTENTS

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a diesel engine air cleaner, which effectively solves the problem of small air inlet efficiency and speed of the current air cleaner.

[0005] To achieve the above object, the utility model provides the following technical scheme: a diesel engine air cleaner, comprising a filter core sleeve, the outer side of the filter core sleeve is provided with an air outlet, the top of the filter core sleeve is provided with an air inlet mechanism;

[0006] The air inlet mechanism comprises an air inlet shell located at the top of the filter core sleeve, the inner side of the air inlet shell is provided with an inner ring, a plurality of filter fan blades are fixedly connected between the inner ring and the air inlet shell at equal angles, the bottom of the air inlet shell is fixedly connected with a plurality of air inlet fan blades at equal angles, the bottom of the air inlet shell is symmetrically provided with two exhaust holes, the air inlet fan blades are curved towards the inside, and two adjacent air inlet fan blades are arranged staggeredly, and the bending direction and angle of the filter fan blades and the air inlet fan blades are the same.

[0007] Preferably, the inside of the filter core sleeve is provided with upper filter core foam and lower filter core foam, and the lower filter core foam is located at the bottom of the upper filter core foam.

[0008] Preferably, the inner diameter value of the honeycomb hole of the upper filter core foam is greater than that of the lower filter core foam.

[0009] Preferably, the inside of the filter core sleeve is provided with an upper hollow part, the upper filter core foam sleeve is outside the upper hollow part, the bottom of the filter core sleeve is provided with a lower hollow part, and the lower filter core foam sleeve is inside the lower hollow part.

[0010] Preferably, the inside of the filter core sleeve is fixedly connected with an abutting ring, and the top of the upper hollow part abuts against the abutting ring.

[0011] Preferably, the outside of the lower hollow part is sleeved with a transparent oil shell, and a plurality of buckles are arranged at equal angles between the transparent oil shell and the filter core sleeve.

[0012] Compared with the prior art, the filter core sleeve has the beneficial effects that:

[0013] 1. By designing the air inlet fan blades into inwardly curved arcs and staggered arrangement of two adjacent air inlet fan blades, an arc-shaped air inlet air duct is formed, the air inlet resistance is reduced, the dust filtering effect of the inhaled gas is improved, the filter fan blades are designed to have the same bending direction and angle as the air inlet fan blades, an arc-shaped air inlet air duct is continuously formed, the entering gas is further filtered by the arc-shaped air duct, thereby reducing the resistance and improving the air inlet speed;

[0014] 2. By cooperation between the upper hollow part, the abutting ring, the lower hollow part, the transparent oil shell and the buckles, the upper filter core foam and the lower filter core foam are conveniently installed in the filter core sleeve, the transparent oil shell is installed at the bottom of the filter core sleeve, thereby conveniently pre-filtering the air by the upper filter core foam and the lower filter core foam, and oil bath filtering the air by the oil in the transparent oil shell, so as to conveniently improve the filtering effect. BRIEF DESCRIPTION OF DRAWINGS

[0015] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, illustrate the present application and are used to explain the present application, and do not constitute a limitation on the present application.

[0016] In the drawings:

[0017] Figure 1 It is a diesel engine air filter structure schematic view of the present application;

[0018] Figure 2 It is a schematic view of the air inlet mechanism structure of the present application;

[0019] Figure 3 It is a schematic view of the filter core sleeve and the transparent oil shell disassembly structure of the present application.

[0020] In the figure: 1, filter core shell; 2, air inlet mechanism; 201, air inlet shell; 202, filter fan blade; 203, inner ring; 204, air outlet hole; 205, air inlet fan blade; 3, air outlet; 4, buckle; 5, transparent oil shell; 6, lower hollow part; 7, upper hollow part; 8, abutting ring; 9, upper filter core foam; 10, lower filter core foam. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Embodiment one, by Figure 1 The utility model relates to a kind of diesel engine air cleaner, including filter core shell 1, the outer side of filter core shell 1 is equipped with air outlet 3, the top of filter core shell 1 is equipped with air inlet mechanism 2.

[0023] Specifically, by Figure 2 Give, air inlet mechanism 2 includes the air inlet shell 201 in the top of filter core shell 1, the inner side of air inlet shell 201 is equipped with inner ring 203, multiple filter fan blades 202 are fixedly connected between inner ring 203 and air inlet shell 201 at equal angle, the bottom of air inlet shell 201 is fixedly connected with multiple air inlet fan blades 205 at equal angle, the bottom of air inlet shell 201 is equipped with two air outlet holes 204 symmetrically, air inlet fan blade 205 is curved to the inside arc, and two adjacent air inlet fan blades 205 are staggered arrangement, the bending direction and angle of filter fan blade 202 and air inlet fan blade 205 are same;

[0024] In use, air inlet fan blade 205 and filter fan blade 202 are designed into curved arc to the inside, and two adjacent air inlet fan blades 205 are staggered arrangement, form arc-shaped air inlet duct, reduce air resistance while improving the effect of dust filtration in inhaled gas, and the bending direction and angle of filter fan blade 202 and air inlet fan blade 205 are same, continue to form arc-shaped air inlet duct, so that the gas entering is further filtered by secondary passing through arc-shaped duct, finally reduce resistance and improve air inlet speed.

[0025] Specifically, by Figure 3The inside of the filter core sleeve shell 1 is provided with an upper filter core foam 9 and a lower filter core foam 10, the lower filter core foam 10 is located at the bottom of the upper filter core foam 9, the inner diameter value of the honeycomb hole of the upper filter core foam 9 is greater than that of the lower filter core foam 10, the inside of the filter core sleeve shell 1 is provided with an upper hollow part 7, the upper filter core foam 9 is sleeved outside the upper hollow part 7, the bottom of the filter core sleeve shell 1 is provided with a lower hollow part 6, the lower filter core foam 10 is sleeved inside the lower hollow part 6, the inside of the filter core sleeve shell 1 is fixedly connected with an abutting ring 8, the top of the upper hollow part 7 abuts against the abutting ring 8, the outside of the lower hollow part 6 is sleeved with a transparent oil shell 5, and a plurality of buckles 4 are arranged at equal angles between the transparent oil shell 5 and the filter core sleeve shell 1.

[0026] In use, first, the upper hollow part 7 is placed in the inside of the filter core sleeve shell 1, so that the upper hollow part 7 abuts against the abutting ring 8, then the upper filter core foam 9 is sleeved outside the upper hollow part 7, then the lower filter core foam 10 is placed inside the lower hollow part 6, and the lower hollow part 6 is placed at the bottom of the filter core sleeve shell 1, at the same time, the lower filter core foam 10 abuts against the upper filter core foam 9, then the transparent oil shell 5 is sleeved outside the lower hollow part 6, then the transparent oil shell 5 is fixed through the buckles 4, and the upper filter core foam 9 and the lower filter core foam 10 are fixed in the filter core sleeve shell 1, finally, air is pre-filtered through the upper filter core foam 9 and the lower filter core foam 10, and then enters the oil in the transparent oil shell 5 for oil bath filtration, thereby improving the filtration effect.

Claims

1. A diesel air filter comprising a filter cartridge housing (1), characterised in that: The outer side of the filter core shell (1) is provided with an air outlet (3), and the top of the filter core shell (1) is provided with an air inlet mechanism (2); The air inlet mechanism (2) comprises an air inlet shell (201) located at the top of the filter core shell (1), the inner side of the air inlet shell (201) is provided with an inner ring (203), a plurality of filter vanes (202) are fixedly connected between the air inlet shell (201) and the inner ring (203) at equal angles, the bottom of the air inlet shell (201) is fixedly connected with a plurality of air inlet vanes (205) at equal angles, the bottom of the air inlet shell (201) is symmetrically provided with two air outlet holes (204), the air inlet vanes (205) are curved inwards in an arc shape, and two adjacent air inlet vanes (205) are arranged staggeredly, and the bending directions and angles of the filter vanes (202) and the air inlet vanes (205) are the same.

2. A diesel air filter according to claim 1 wherein: The inside of the filter core shell (1) is provided with an upper filter core foam (9) and a lower filter core foam (10), and the lower filter core foam (10) is located at the bottom of the upper filter core foam (9).

3. A diesel air filter according to claim 2, wherein: The inner diameter value of the honeycomb hole of the upper filter core foam (9) is greater than that of the lower filter core foam (10).

4. A diesel air filter according to claim 1 wherein: The inside of the filter core shell (1) is provided with an upper hollow part (7), the upper filter core foam (9) is sleeved on the outer side of the upper hollow part (7), the bottom of the filter core shell (1) is provided with a lower hollow part (6), and the lower filter core foam (10) is sleeved on the inner side of the lower hollow part (6).

5. A diesel air filter according to claim 1 wherein: The inside of the filter core shell (1) is fixedly connected with an abutting ring (8), and the top of the upper hollow part (7) abuts against the abutting ring (8).

6. A diesel air filter according to claim 4 wherein: The outer side of the lower hollow part (6) is sleeved with a transparent oil shell (5), and a plurality of buckles (4) are arranged at equal angles between the transparent oil shell (5) and the filter core shell (1).

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