CN208982195U - A kind of air filter of engine except air plankton - Google Patents

Abstract

The utility model proposes a kind of air filter of engine except air plankton, including pedestal, connecting rod is fixed on pedestal, bottom cover is successively arranged in connecting rod, filter core, filter core lid, upper cover and the locking cap cooperated with connecting rod top, there is the positioning plate of protrusion at bottom cover center, there is through-hole among positioning plate, filter core is set on positioning plate, shell is provided between bottom cover and upper cover, multiple inclined blades are provided between filter core cover outer wall and outer casing inner wall, blade around filter core lid in the shape of a spiral, upper cover is provided with above shell, bottom cover edge includes to turn edge, it include dedusting hole on turning edge, blade inner side edge is fixedly connected with filter core cover outer wall, blade outboard side is fixedly connected with outer casing inner wall.The utility model can provide a kind of air filter, it is not only easy to assembly but also integral strength is high, long service life.

Description

A kind of air filter of engine except air plankton

Technical field

The utility model relates to art of filters, and in particular to a kind of air filter of engine except air plankton.

Background technique

Engine operation needs oxygen to support burning, and commonly required oxygen is obtained from air, but due to containing in air There is small solid impurity, these small solid impurity enter the abrasion of meeting greater engine in engine cylinder, and shortening engine makes With the service life, thus usually require when air enters in engine cylinder air filter to the small solids impurity such as dust in air into Row filtering, avoiding impurity from entering in engine influences its normal work.

An a kind of entitled utility model for cyclone type dedusting air filter is disclosed in CN201420010493.2, it should Cyclone type dedusting air filter includes shell, lid, element kit and pedestal, and the shell is in the tubular structure being vertically arranged, It is fixed with element kit support plate in the lower end of shell, the element kit support plate is by the lower end closed of the shell, in filter core Exhaust vent is offered on component support plate；The element kit includes filter element upper cover, the filter core lower cover of cyclic structure and vertical The filter paper core of the supporting network and tubular structure that are set between filter element upper cover and filter core lower cover；It is set on the outer wall of filter element upper cover It is equipped with several piece and the inclined cyclone blade of vertical direction, the inclined direction of the cyclone blade is identical；The element kit is pacified vertically Loaded in shell, and its filter core lower cover is held up by element kit support plate；There is air-supply passage, the air-supply passage on the pedestal Air inlet hole be located at the upper surface of pedestal, the element kit support plate is fixed on the base, and in element kit support plate Exhaust vent is connected with the air inlet hole of the air-supply passage on pedestal, and a connecting screw is vertically arranged on pedestal；In lid and The via hole passed through for connecting screw is offered on filter element upper cover, the upper end of connecting screw sequentially passes through filter element upper cover and lid, And locked element kit and element kit support plate by filter core locking nut, by lid locking nut by lid and shell Locking；Several air intake passages are provided between lid and shell；Number is offered along its circumferential direction at its lower edge in shell A dust exhausting hole.

Above-mentioned cyclone type dedusting air filter deposits following disadvantage；1. shell and the unlocked connection of filter element upper cover, shell and filter core There is the cyclone blade that filter element upper cover is set between upper cover, the connection between shell and filter element upper cover relies on and is set in cyclone blade On blade retainer plate lateral wall be bonded with the inner wall of shell.Shell, cyclone blade and filter element upper cover three built-up section are whole Intensity is low.

2. the air filter needs package shell, element kit support plate, filter core, filter element upper cover, filter core lower cover, rotation when assembling Air blade retainer plate, pedestal and lid support plate etc., assembling parts are excessive, assembling trouble, and less with assembling parts Air filter is low compared to integral strength.

Utility model content

The purpose of this utility model is to provide a kind of air filter of engine except air plankton, it is not only easy to assembly and And integral strength is high, long service life.

The utility model is achieved by the following technical solution, a kind of air filter of engine except air plankton, including Pedestal is fixed with connecting rod on pedestal, be successively arranged in connecting rod bottom cover, filter core, filter core lid, upper cover and at the top of connecting rod There is the positioning plate of protrusion at the locking cap of cooperation, bottom cover center, has through-hole among positioning plate, filter core is set on positioning plate, bottom cover It is provided with shell between upper cover, multiple inclined blades are provided between filter core cover outer wall and outer casing inner wall, blade is around filter core Lid is provided with upper cover in the shape of a spiral, above shell, and bottom cover edge includes to turn edge, turn edge on include dedusting hole, on the inside of blade Side is fixedly connected with filter core cover outer wall, and blade outboard side is fixedly connected with outer casing inner wall.

The working principle of this programme is: under filter core suction function, gap of the air between upper cover and shell enters, Then it is rotated around blade and generates centrifugal force, the impurity in air is fallen into bottom cover under the influence of centrifugal force, and air then enters filter In-core enters pedestal from air outlet after filter core filters again, finally enters engine through pedestal.

The beneficial effect of this programme is: 1, filter core lid and shell are connected as one by blade, it is not only easy to assembly And integral strength is high, long service life.

2, air filter overall package component is less, and not only easy to assembly but also integral strength is high, long service life.

3, dedusting hole can be expelled directly out the impurity fallen on bottom cover, directly turn edge upper setting dedusting hole in bottom cover, mold Convenient, cost is relatively low.

4, blade inner side edge is higher than blade outboard side and is conducive to the impurity in air under the influence of centrifugal force along shell Wall is fallen, and is reduced the impurity for entering filter element filtering, is extended the service life of filter core.

5, the impurity that the boss on bottom cover can avoid falling into bottom cover enters filter core under the suction function of filter core, reduces and enters The impurity of filter element filtering extends the service life of filter core；Boss is set on pedestal, not only mold is convenient, cost is relatively low, and And it is easy for installation.

Detailed description of the invention

Fig. 1 is perspective view of the explosion of the utility model except the air filter of engine specific embodiment of air plankton.

Fig. 2 is the upper cover for the air filter of engine specific embodiment that the utility model removes air plankton, filter core lid, leaf The schematic cross-sectional view of piece, shell and bottom cover assembling.

Fig. 3 is schematic top plan view of the utility model except the air filter of engine specific embodiment of air plankton.

Fig. 4 is stereoscopic schematic diagram of the utility model except the air filter of engine specific embodiment of air plankton.

In figure: 1. pedestals, 2. connecting rods, 3. bottom covers, 4. filter cores, 5. filter core lids, 6. upper covers, 7. locking caps, 8. shells, 9. Blade；

31. positioning plate 32. turns edge, 33. boss, 34. bendings；

91. blade inner side edge, 92. blade outboard sides；

311. through-hole；

321. dedusting hole.

Specific embodiment

It will describe in detail in conjunction with specific embodiments with reference to the accompanying drawings below.

As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of air filter of engine except air plankton, including pedestal 1, on pedestal 1 Be fixed with connecting rod 2, be successively arranged in connecting rod 2 bottom cover 3, filter core 4, filter core lid 5, upper cover 6 and with cooperate at the top of connecting rod 2 Locking cap 7, there is the positioning plate 31 of protrusion at 3 center of bottom cover, has through-hole 311 among positioning plate 31, filter core 4 is set in positioning plate 31 On, it is provided with shell 8 between bottom cover 3 and upper cover 6, is provided with multiple inclined blades between 8 inner wall of 5 outer wall of filter core lid and shell 9, blade 9 in the shape of a spiral, is provided with upper cover 6 around filter core lid 5 above shell 8, and 3 edge of bottom cover includes to turn edge 32, turns edge on 32 It include dedusting hole 321, blade inner side edge 91 is fixedly connected with 5 outer wall of filter core lid, and blade outboard side 92 is fixed with 8 inner wall of shell Connection.

The working principle of this programme is: under 4 suction function of filter core, gap of the air between upper cover 6 and shell 8 into Enter, then rotated around blade 9 and generate centrifugal force, the impurity in air is fallen under the influence of centrifugal force in bottom cover 3, air then into Enter in filter core 4, enter pedestal 1 from air outlet after filter core 4 filters again, finally enters engine, dedusting hole 321 through pedestal 1 It can be expelled directly out the impurity fallen on bottom cover 3, directly turn edge in bottom cover 3 and dedusting hole 321 is set on 32, mold is convenient, cost It is lower.

The beneficial effect of this programme is: filter core lid 5 is connected as one with shell 8 by blade 9, it is not only easy to assembly And integral strength is high, long service life；Overall package component is less, and not only easy to assembly but also integral strength is high, uses the longevity Life length.

Further, in the present embodiment, blade inner side edge 91 is higher than blade outboard side 92.Blade inner side edge 91 is higher than leaf Piece outer side edges 92 are conducive to the impurity in air and fall under the influence of centrifugal force along 8 inner wall of shell, reduce and enter the filtering of filter core 4 Impurity, extend filter core 4 service life.

It further, in the present embodiment, include boss 33 on bottom cover 3.Boss 33 on bottom cover 3 can avoid falling into bottom The impurity of lid 3 enters filter core 4 under the suction function of filter core 4, reduces and enters the impurity that filter core 4 filters, and extends the use of filter core 4 Service life；Boss 33 is set on pedestal 1, and not only mold is convenient, cost is relatively low, but also easy for installation.

Further, sealing ring is provided between filter core 4 and positioning plate 31.Sealing ring can avoid air from filter core 4 and determine Position plate 31) between leak.

Further, in the present embodiment, there is irregular bending 34 on bottom cover 3, shell 8 is matched with bottom cover 3.Shell 8 in such a way that bottom cover 3 is matched by irregular bending 34, not only contribute to the fixation of shell 8 and bottom cover 3, and install It is convenient, it only needs to move up on shell 8 when 8 internal structure of shell needs repairing, shell 8 is separated with bottom cover 3 can be right It is repaired inside air filter.

Claims (5)

1. a kind of air filter of engine except air plankton, including pedestal (1), it is fixed with connecting rod (2), connects on pedestal (1) Bottom cover (3), filter core (4), filter core lid (5), upper cover (6) and the fixation with cooperation at the top of connecting rod (2) are successively arranged on bar (2) There is the positioning plate (31) of protrusion at cap (7), bottom cover (3) center, has through-hole (311) among positioning plate (31), and filter core (4) is set in fixed On position plate (31), it is provided between bottom cover (3) and upper cover (6) shell (8), is set between filter core lid (5) outer wall and shell (8) inner wall Multiple inclined blades (9) are equipped with, blade (9) in the shape of a spiral, is provided with upper cover (6) above shell (8) around filter core lid (5), Be characterized in that: bottom cover (3) edge includes turn edge (32), and turning edge on (32) includes dedusting hole (321), blade inner side edge (91) It is fixedly connected with filter core lid (5) outer wall, blade outboard side (92) are fixedly connected with shell (8) inner wall.

2. removing the air filter of engine of air plankton as described in claim 1, it is characterised in that: blade inner side edge (91) is higher than Blade outboard side (92).

3. removing the air filter of engine of air plankton as claimed in claim 1 or 2, it is characterised in that: bottom cover includes on (3) Boss (33).

4. removing the air filter of engine of air plankton as claimed in claim 1 or 2, it is characterised in that: filter core (4) and positioning plate (31) sealing ring is provided between.

5. removing the air filter of engine of air plankton as claimed in claim 3, it is characterised in that: filter core (4) and positioning plate (31) sealing ring is provided between.