阅读说明：本技术 一种内燃机空气过滤装置 (Air filter for internal combustion engine ) 是由 殷爱军 曹政坤 于 2021-08-27 设计创作，主要内容包括：本发明公开了一种内燃机空气过滤装置,包括壳体,所述壳体的内壁贯穿设有上空槽与下空槽,所述上空槽内壁与下空槽的内壁之间共同滑动连接有滤网,所述第一磁块与开口盒之间设有吸气机构,所述上槽体的内壁固定连接有空心筒,所述空心筒的内壁滑动连接有活塞,所述活塞与空心筒的内壁之间固定连接有第二弹簧,所述壳体的内壁固定连接有通风板,所述通风板上贯穿设有多个通风槽,所述通风板靠近第二喷头的一端固定连接有多个针刺。本发明通过多个针刺将滤网进行疏通后,通过第二喷头往复移动对疏通后滤网上的灰尘进行吹动,使其不易覆盖在滤网上,之后通过第一喷头将灰尘吸入到空心盒中,使灰尘不易将滤网被堵住。(The invention discloses an internal combustion engine air filtering device which comprises a shell, wherein an upper empty groove and a lower empty groove are arranged on the inner wall of the shell in a penetrating mode, a filter screen is connected between the inner wall of the upper empty groove and the inner wall of the lower empty groove in a sliding mode, an air suction mechanism is arranged between a first magnetic block and an opening box, the inner wall of the upper groove body is fixedly connected with a hollow cylinder, the inner wall of the hollow cylinder is connected with a piston in a sliding mode, a second spring is fixedly connected between the piston and the inner wall of the hollow cylinder, a ventilating plate is fixedly connected to the inner wall of the shell, a plurality of ventilating grooves are arranged on the ventilating plate in a penetrating mode, and a plurality of acupuncture points are fixedly connected to one end, close to a second spray nozzle, of the ventilating plate. According to the invention, after the filter screen is dredged by the plurality of needling, the second spray head reciprocates to blow dust on the dredged filter screen, so that the dust is not easy to cover the filter screen, and then the dust is sucked into the hollow box through the first spray head, so that the filter screen is not easy to block by the dust.)

1. The air filtering device of the internal combustion engine comprises a shell (1) and is characterized in that an upper empty groove and a lower empty groove are arranged on the inner wall of the shell (1) in a penetrating mode, a filter screen (13) is connected between the inner wall of the upper empty groove and the inner wall of the lower empty groove in a sliding mode, a reciprocating lead screw (7) is connected between the inner walls of the shell (1) in a rotating mode, a linkage mechanism is arranged between the reciprocating lead screw (7) and the filter screen (13), a connecting plate is fixedly connected to the lower end of the shell (1), an opening box (2) is fixedly connected to the connecting plate, fixing rods (21) are connected to the inner walls of the upper empty groove and the lower empty groove in a sliding mode, the two fixing rods (21) are fixedly connected with the filter screen (13), a first magnetic block (17) is connected to the inner wall of the lower empty groove in a sliding mode, a first spring (18) is fixedly connected between the first magnetic block (17) and the inner wall of the lower empty groove, the other end of the first magnetic block (17) is fixedly connected with a fixed rod (21), an air suction mechanism is arranged between the first magnetic block (17) and the opening box (2), the inner wall of the upper groove body is fixedly connected with a hollow cylinder (24), the inner wall of the hollow cylinder (24) is connected with a piston in a sliding way, a second spring (23) is fixedly connected between the piston and the inner wall of the hollow cylinder (24), the fixing rod (21) penetrates through the hollow cylinder (24) and is connected with the inner wall of the hollow cylinder in a sliding way, the fixed rod (21) is fixedly connected with the piston, an air blowing mechanism is arranged between the hollow cylinder (24) and the reciprocating screw rod (7), the inner wall of the shell (1) is fixedly connected with a ventilating plate (10), a plurality of ventilating grooves are arranged on the ventilating plate (10) in a penetrating way, one end of the ventilation plate (10) close to the second spray head (5) is fixedly connected with a plurality of acupuncture points (9).

2. An air filter arrangement according to claim 1, characterized in that the linkage comprises a gear wheel (16) extending through and fixedly connected to the reciprocating screw (7), and the filter screen (13) is fixedly connected to a rack plate (15), the rack plate (15) and the gear wheel (16) being mutually engaged.

3. An air filtering device for an internal combustion engine according to claim 1, wherein the air suction mechanism comprises a hollow box (3) which penetrates through the opening box (2) and is connected with the inner wall of the opening box in a sliding manner, an air inlet groove is formed in the upper end of the hollow box (3) in a penetrating manner, a control door (25) is installed on the side wall of the hollow box (3), a first stop block (27) is fixedly connected to the side wall of the opening box (2), a second stop block (28) is fixedly connected to the side wall of the hollow box (3), and a clamping block (26) is jointly penetrated through and connected with the first stop block (27) and the second stop block (28) in a sliding manner.

4. An air filtering device for an internal combustion engine according to claim 4, characterized in that a hollow rod penetrates and is fixedly connected between the open box (2) and the casing (1), the hollow rod penetrates and is fixedly connected with the first nozzle (8), a first one-way valve is installed on the hollow rod, a U-shaped frame is fixedly connected to the lower end of the casing (1), a second magnetic block (19) is slidably connected to the upper end of the U-shaped frame, a telescopic air bag (20) is fixedly connected between the second magnetic block (19) and the inner wall of the U-shaped frame, a conduit penetrates and is fixedly connected to the other end of the telescopic air bag (20), a second one-way valve is installed on the conduit, and a first long hose (14) penetrates and is fixedly connected between the lower end of the telescopic air bag (20) and the hollow box (3).

5. An air filter device for an internal combustion engine according to claim 4, wherein the first magnet (17) and the second magnet (19) have opposite magnetic poles different from each other.

6. An internal combustion engine air filtering device according to claim 1, characterized in that the blowing mechanism comprises a telescopic rod (4) fixedly connected with the inner wall of the shell (1), the lower end of the telescopic rod (4) is fixedly connected with a hollow rod, a third one-way valve is installed on the hollow rod, the hollow rod penetrates through and is fixedly connected with a second nozzle (5), the side wall of the hollow rod is fixedly connected with a sliding block (6), and the reciprocating screw rod (7) penetrates through the sliding block (6) and is in threaded connection with the sliding block.

7. An air filter device according to claim 6, wherein the hollow rod has a vertical tube fixedly connected to the upper end thereof, a fourth check valve is mounted on the vertical tube, a second long hose (22) is fixedly connected to the hollow rod, and the second long hose (22) is fixedly connected to the inner wall of the hollow tube (24) and extends through the hollow tube.

8. An air filter device for an internal combustion engine according to claim 7, characterized in that the upper end of the housing (1) is penetrated and fixedly connected with an inlet nozzle (11), and the lower end of the housing (1) is penetrated and fixedly connected with an outlet nozzle (12).

Technical Field

The invention relates to the technical field of filtering of internal combustion engines, in particular to an air filtering device of an internal combustion engine.

Background

An internal combustion engine is a power machine, and is a heat engine that directly converts heat energy released by burning fuel inside the machine into power. The internal combustion engine in a broad sense includes not only a reciprocating piston type internal combustion engine, a rotary piston type engine and a free piston type engine, but also a rotary impeller type jet engine, and the internal combustion engine needs to absorb gas from the outside and move when working.

When the internal combustion engine absorbs gas, dust in the outside air needs to be removed, the internal combustion engine is traditionally filtered by using filter paper, but when the internal combustion engine is used for a long time, the dust in the air falls on the filter paper, the filter paper hole is blocked, the filter paper needs to be taken out and replaced again, and troubles are brought to a user, and therefore the internal combustion engine air filtering device is designed.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides an air filtering device of an internal combustion engine, which is characterized in that after a filter screen is dredged through a plurality of needle pricks, dust on the dredged filter screen is blown through reciprocating movement of a second spray head, so that the dust is not easy to cover on the filter screen, and then the dust is sucked into a hollow box through the first spray head, so that the filter screen is not easy to block by the dust.

In order to achieve the purpose, the invention adopts the following technical scheme:

an air filtering device of an internal combustion engine comprises a shell, wherein an upper empty groove and a lower empty groove are arranged on the inner wall of the shell in a penetrating manner, a filter screen is connected between the inner wall of the upper empty groove and the inner wall of the lower empty groove in a sliding manner, a reciprocating lead screw is connected between the inner walls of the shell in a rotating manner, a linkage mechanism is arranged between the reciprocating lead screw and the filter screen, a connecting plate is fixedly connected to the lower end of the shell, an opening box is fixedly connected to the connecting plate, fixing rods are connected to the inner walls of the upper empty groove and the lower empty groove in a sliding manner, the two fixing rods are fixedly connected with the filter screen, a first magnetic block is connected to the inner wall of the lower empty groove in a sliding manner, a first spring is fixedly connected between the first magnetic block and the inner wall of the lower empty groove, the other end of the first magnetic block is fixedly connected with the fixing rods, an air suction mechanism is arranged between the first magnetic block and the opening box, and an air cylinder is fixedly connected to the inner wall of the upper groove, the inner wall of the hollow cylinder is connected with a piston in a sliding mode, a second spring is fixedly connected between the piston and the inner wall of the hollow cylinder, the fixed rod penetrates through the hollow cylinder and is connected with the inner wall of the hollow cylinder in a sliding mode, the fixed rod is fixedly connected with the piston, an air blowing mechanism is arranged between the hollow cylinder and the reciprocating screw rod, the inner wall of the shell is fixedly connected with a ventilating plate, a plurality of ventilating grooves penetrate through the ventilating plate, and one end, close to the second spray head, of the ventilating plate is fixedly connected with a plurality of acupuncture points;

preferably, the linkage mechanism comprises a gear which penetrates through the reciprocating screw rod and is fixedly connected with the reciprocating screw rod, the filter screen is fixedly connected with a rack plate, and the rack plate and the gear are mutually meshed;

preferably, the air suction mechanism comprises a hollow box which penetrates through the opening box and is in sliding connection with the inner wall of the opening box, an air inlet groove penetrates through the upper end of the hollow box, a control door is installed on the side wall of the hollow box, a first stop block is fixedly connected to the side wall of the opening box, a second stop block is fixedly connected to the side wall of the hollow box, and the first stop block and the second stop block jointly penetrate through and are in sliding connection with a clamping block;

preferably, a hollow rod penetrates through and is fixedly connected between the opening box and the shell, the hollow rod penetrates through and is fixedly connected with a first spray head, a first one-way valve is installed on the hollow rod, a U-shaped frame is fixedly connected to the lower end of the shell, a second magnetic block is slidably connected to the upper end of the U-shaped frame, a telescopic air bag is fixedly connected between the second magnetic block and the inner wall of the U-shaped frame, a guide pipe penetrates through and is fixedly connected to the other end of the telescopic air bag, a second one-way valve is installed on the guide pipe, and a first long hose penetrates through and is fixedly connected between the lower end of the telescopic air bag and the hollow box;

preferably, the opposite surfaces of the first magnetic block and the second magnetic block have different magnetic poles;

preferably, the blowing mechanism comprises a telescopic rod fixedly connected with the inner wall of the shell, the lower end of the telescopic rod is fixedly connected with a hollow rod, a third one-way valve is mounted on the hollow rod, the hollow rod penetrates through and is fixedly connected with a second spray nozzle, the side wall of the hollow rod is fixedly connected with a sliding block, and the reciprocating screw rod penetrates through the sliding block and is in threaded connection with the sliding block;

preferably, the upper end of the hollow rod penetrates through and is fixedly connected with a vertical pipe, a fourth check valve is mounted on the vertical pipe, one end of the hollow rod penetrates through and is fixedly connected with a second long hose, and the second long hose penetrates through the hollow cylinder and is fixedly connected with the inner wall of the hollow cylinder;

preferably, the upper end of the shell penetrates through and is fixedly connected with an air inlet nozzle, and the lower end of the shell penetrates through and is fixedly connected with an air outlet nozzle.

Compared with the prior art, the invention has the beneficial effects that:

1. when many filter screens are plugged up, dredge the filter screen through a plurality of acupuncture, a plurality of acupuncture poke the filter screen, make the dust distribute on the filter screen, the problem is plugged up to the solution filter screen that can be swift.

2. The filter screen drives the gear through the rack board when removing and rotates, drives reciprocal lead screw and rotates, and reciprocal lead screw drives the second shower nozzle when rotating and reciprocates, and meanwhile, fills gas in to the second shower nozzle, can blow off the dust on the filter screen, makes the filter screen be difficult for being plugged up once more.

3. When the dust falls down from the filter screen, the second shower nozzle will absorb the dust of the lower extreme of filter screen, make it absorb in the hollow box, under the interception that separates the net, the hollow box is saved the dust, and the filter screen can not be blockked up to the time dust, reduces the probability that the filter screen is blockked up.

In summary, after the filter screen is dredged by the plurality of needle pricks, the second nozzle reciprocates to blow dust on the dredged filter screen, so that the dust is not easy to cover the filter screen, and then the dust is sucked into the hollow box through the first nozzle, so that the filter screen is not easy to block by the dust.

Drawings

FIG. 1 is a schematic structural view of an air filter assembly for an internal combustion engine according to the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is an enlarged view of the structure at B in FIG. 1;

fig. 4 is an enlarged view of the structure at C in fig. 1.

In the figure: the device comprises a shell 1, an opening box 2, a hollow box 3, a telescopic rod 4, a second spray head 5, a slide block 6, a reciprocating screw rod 7, a first spray head 8, a needle prick 9, a ventilating plate 10, an air inlet nozzle 11, an air outlet nozzle 12, a filter screen 13, a first long hose 14, a rack plate 15, a gear 16, a first magnetic block 17, a first spring 18, a second magnetic block 19, a telescopic air bag 20, a fixed rod 21, a second long hose 22, a second spring 23, a hollow cylinder 24, a control door 25, a clamping block 26, a first stop block 27 and a second stop block 28.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-4, an air filtering device for an internal combustion engine comprises a shell 1, wherein an upper empty slot and a lower empty slot are arranged on the inner wall of the shell 1 in a penetrating manner, a filter screen 13 is connected between the inner wall of the upper empty slot and the inner wall of the lower empty slot in a sliding manner, a reciprocating lead screw 7 is connected between the inner walls of the shell 1 in a rotating manner, a linkage mechanism is arranged between the reciprocating lead screw 7 and the filter screen 13 and comprises a gear 16 which penetrates through the reciprocating lead screw 7 and is fixedly connected with the reciprocating lead screw, a rack plate 15 is fixedly connected with the filter screen 13, the rack plate 15 is meshed with the gear 16, and the gear 16 is driven to rotate by the transverse movement of the rack plate 15.

Casing 1's lower extreme fixedly connected with connecting plate, connecting plate fixedly connected with opening box 2, the equal sliding connection of inner wall of overhead tank and lower dead slot is connected with dead lever 21, two dead levers 21 all with filter screen 13 fixed connection, dead slot inner wall sliding connection has first magnetic path 17 down, first spring 18 of fixedly connected with between the inner wall of first magnetic path 17 and lower dead slot, the other end and the dead lever 21 fixed connection of first magnetic path 17, be equipped with air suction mechanism between first magnetic path 17 and the opening box 2, air suction mechanism including run through opening box 2 and rather than inner wall sliding connection's hollow box 3, the upper end of hollow box 3 is run through and is equipped with the air inlet duct, carry out sealed sliding connection between hollow box 3 and the opening box 2.

Control door 25 is installed to the lateral wall of hollow box 3, the first dog 27 of lateral wall fixedly connected with of opening box 2, the lateral wall fixedly connected with second dog 28 of hollow box 3, first dog 27 runs through and sliding connection has fixture block 26 with second dog 28 jointly, run through and the hollow pole of fixedly connected with between opening box 2 and the casing 1, hollow pole runs through and the first shower nozzle 8 of fixedly connected with, install first check valve on the hollow pole, under first check valve's spacing, dust and gas can only enter into hollow box 3 from the hollow pole, the lower extreme fixedly connected with U-shaped frame of casing 1, the upper end sliding connection of U-shaped frame has second magnetic path 19, fixedly connected with flexible gasbag 20 between the inner wall of second magnetic path 19 and U-shaped frame, the appeal between first magnetic path 17 and the second magnetic path 19 is greater than the elasticity of first spring 18.

The other end of flexible gasbag 20 runs through and fixedly connected with pipe, install the second check valve on the pipe, under the spacing of second check valve, gas in the ambient air can only advance to enter into flexible gasbag 20 through the pipe, run through and the first long hose of fixedly connected with 14 between the lower extreme of flexible gasbag 20 and the hollow box 3, fixedly connected with separates the net when the other end of first long hose 14 runs through hollow box 3, first magnetic path 17 is different with the 19 opposite face magnetic pole of second magnetic path, the inner wall fixedly connected with hollow cylinder 24 of upper trough body, the inner wall sliding connection of hollow cylinder 24 has the piston, fixedly connected with second spring 23 between the inner wall of piston and hollow cylinder 24, carry out sealed sliding connection between piston and the hollow cylinder 24.

The dead lever 21 runs through hollow section of thick bamboo 24 and rather than inner wall sliding connection, dead lever 21 and piston fixed connection, be equipped with the mechanism of blowing between hollow section of thick bamboo 24 and the reciprocal lead screw 7, the mechanism of blowing includes inner wall fixedly connected with telescopic link 4 with casing 1, the cavity pole in the lower extreme fixedly connected with of telescopic link 4, install the third check valve on the cavity pole, under the spacing of third check valve, gas can only enter into the second shower nozzle 5 from the cavity pole, the cavity pole runs through and fixedly connected with second shower nozzle 5, the lateral wall fixedly connected with slider 6 of cavity pole, reciprocal lead screw 7 runs through slider 6 and rather than threaded connection, the upper end of cavity pole runs through and fixedly connected with standpipe, install the fourth check valve on the standpipe, under the spacing of fourth check valve, absorb the air through the standpipe.

The one end of cavity pole runs through and the long hose 22 of fixedly connected with second, the long hose 22 of second runs through hollow section of thick bamboo 24 and rather than inner wall fixed connection, the upper end of casing 1 runs through and fixedly connected with suction nozzle 11, the lower extreme of casing 1 runs through and fixedly connected with goes out tuyere 12, the inner wall fixedly connected with ventilating board 10 of casing 1, it is equipped with a plurality of ventilation grooves to run through on the ventilating board 10, a plurality of acupuncture 9 of one end fixedly connected with that the ventilating board 10 is close to second shower nozzle 5, a plurality of acupuncture 9 cooperate with filter screen 13.

In the invention, when the internal combustion engine works, gas needs to be absorbed to the outside, the gas can be absorbed through the gas outlet nozzle 12, the gas enters the shell 1 from the gas inlet nozzle 11 and enters the gas outlet nozzle 12 through the ventilation groove after being filtered by the filter screen 13, the filter screen 13 is used for isolating dust in the air, when the dust in the air is excessively blocked, a sealed space is formed between the filter screen 13 and the shell 1, the internal combustion engine drives the filter screen 13 to move towards the gas outlet nozzle 12 when absorbing the gas, and at the moment, the whole device is started.

The filter screen 13 is close to a plurality of acupuncture 9 when removing, and a plurality of acupuncture 9 dredge the filter screen 13, and the lower extreme of filter screen 13 drives dead lever 21, first magnetic path 17 and second magnetic path 19 and removes, drives second magnetic path 19 compression flexible gasbag 20 when first magnetic path 17 compresses first spring 18, and flexible gasbag 20 is compressed and is discharged through hollow cylinder 24, and flexible gasbag 20 is in by the compression state.

The filter screen 13 drives the gear 16 to rotate through the rack plate 15 when moving, the gear 16 rotates and drives the reciprocating screw rod 7 to rotate, under the limit of the telescopic rod 4, the slide block 6 moves up and down and drives the second spray head 5 to move up and down, meanwhile, the piston compresses the second spring 23 and conveys the gas in the hollow cylinder 24 to the second spray head 5 through the second long hose 22, the second spray head 5 moves up and down and sprays gas, after the filter screen 13 is dredged through a plurality of acupuncture 9, the dust can fall on the filter screen 13, the second spray head 5 blows the dust on the filter screen 13 to fall.

When the filter screen 13 is dredged by the plurality of acupuncture 9, the internal combustion engine starts to normally suck air, under the elastic forces of the first spring 18 and the second spring 23, the first spring 18 drives the first magnetic block 17 and the second magnetic block 19 to lengthen the telescopic air bag 20, the telescopic air bag 20 generates suction to the hollow box 3 through the first long hose 14, so that the suction is generated to the first spray head 8 through the hollow rod, the first spray head 8 absorbs dust at the lower end of the filter screen 13 and absorbs the dust into the hollow box 3, under the interception of the separation net, the hollow box 3 stores the dust, when the dust in the hollow box 3 needs to be cleared, a user can open the control door 25 to clear the dust in the hollow box, the clamping block 26 is pulled out, the hollow box 3 can be disassembled, and the inside can be conveniently cleaned.