CN111794883A - Wadable dust exhaust device of air filter for special vehicle and mounting structure of wadable dust exhaust device - Google Patents

Wadable dust exhaust device of air filter for special vehicle and mounting structure of wadable dust exhaust device Download PDF

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Publication number
CN111794883A
CN111794883A CN202010624474.9A CN202010624474A CN111794883A CN 111794883 A CN111794883 A CN 111794883A CN 202010624474 A CN202010624474 A CN 202010624474A CN 111794883 A CN111794883 A CN 111794883A
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CN
China
Prior art keywords
dust exhaust
shell
wadable
device shell
air cleaner
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Application number
CN202010624474.9A
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Chinese (zh)
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CN111794883B (en
Inventor
赵岩
张耀
胡文杰
陈子默
王之甫
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Dongfeng Off Road Vehicle Co Ltd
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Dongfeng Off Road Vehicle Co Ltd
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Publication of CN111794883A publication Critical patent/CN111794883A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/02Air cleaners
    • F02M35/08Air cleaners with means for removing dust, particles or liquids from cleaners; with means for indicating clogging; with by-pass means; Regeneration of cleaners
    • F02M35/084Dust collection chambers or discharge sockets, e.g. chambers fed by gravity or closed by a valve
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/02Air cleaners
    • F02M35/024Air cleaners using filters, e.g. moistened
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/02Air cleaners
    • F02M35/08Air cleaners with means for removing dust, particles or liquids from cleaners; with means for indicating clogging; with by-pass means; Regeneration of cleaners
    • F02M35/088Water, snow or ice proofing; Separation or drainage of water, snow or ice
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/16Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines characterised by use in vehicles

Abstract

The invention discloses a wadable dust exhaust device of an air filter for a special vehicle, which comprises a device shell, wherein the top of the device shell is provided with a dust exhaust inlet, a dust exhaust channel communicated with the dust exhaust inlet is arranged in the device shell, a dust exhaust valve communicated with the dust exhaust channel is fixed on the side part of the device shell, and an electromagnetic core rod structure capable of controlling the opening or closing of the dust exhaust inlet is arranged in the device shell. According to the dust exhaust device designed by the invention, when a vehicle does not wade, the liquid level switch does not detect water, and is in a normally open state, and the dust exhaust valve can normally exhaust dust and rainwater; when the vehicle wades and travels, the liquid level switch enters water, the switch is closed, the circuit is conducted, the electromagnetic core rod structure works, and the rubber plug seals the dust exhaust inlet, so that water is prevented from being sucked into the air filter. The structure is simple, the design is ingenious, the processing is easy, the installation and the disassembly are convenient, the generalization and the serialization degree are high, and the arrangement on the vehicle is easy.

Description

Wadable dust exhaust device of air filter for special vehicle and mounting structure of wadable dust exhaust device
Technical Field
The invention relates to the technical field of automobile air inlet systems, in particular to a wadable dust exhaust device of an air filter for a special vehicle and an installation structure of the wadable dust exhaust device.
Background
The air intake system is subject to significant scrutiny when the vehicle is driven in heavy rain or wading conditions for extended periods of time. Since the bleed port of the air intake system is directly connected to the atmosphere, when the vehicle is driven in heavy rain for a long time, rainwater is inevitably sucked into the air cleaner through the bleed port, which requires a dust bag or a drain hole at the lowest position of the air cleaner case so that filtered dust and sucked rainwater can be normally discharged from the air cleaner. The vehicle related to the invention is a special vehicle, the whole vehicle development always requires the wading driving capacity of 1.2 meters, the dust exhaust bag or the drain hole of the air filter is generally lower and is positioned below the wading line of the vehicle, the wading driving capacity of the whole vehicle is influenced, when the dust exhaust bag or the drain hole is immersed in water for driving, a large amount of water possibly enters the air filter from the dust exhaust bag or the drain hole due to the negative pressure generated by air suction of an engine, a filter element is wetted, and the water enters the engine along an air inlet channel even after the water inflow reaches a certain degree, so that the engine is slightly submerged into a cylinder and is flamed out, and serious risks such as cylinder and piston corrosion, cylinder pulling and the like are caused.
Most of the existing air filter products are directly communicated with the atmosphere through dust bags or drain holes, and the air filter products lack waterproof structures and cannot meet the requirement of vehicle wading running. Patent No. CN201821617302.3 discloses a dry air cleaner with dust-removing and rain-proof functions, which utilizes a dust cover added around the dust-removing bag to block part of rain water and mud impurities outside the dust-removing bag, and cannot meet the requirement of long-time wading driving of special vehicles. Patent No. CN201620032120.4 discloses an air cleaner dust exhaust waterproof construction and car for car in the patent, and it relies on the buoyancy effect of dust exhaust pipe to seal the dust exhaust mouth when the vehicle wades, and then realizes preventing outside rivers from continuing to gush into the inside function of air cleaner. However, the vehicle is a dynamic process when driving in wading, and is not necessarily capable of providing continuous and stable buoyancy for the dust exhaust duct.
Disclosure of Invention
The invention aims to solve the defects of the background technology and provide a wading dust exhaust device which can effectively meet the wading requirements of an air filter dust exhaust device of a special vehicle.
In order to achieve the purpose, the wadable dust exhaust device of the air filter for the special vehicle is characterized in that: the device comprises a device shell with a dust exhaust inlet at the top, a dust exhaust channel communicated with the dust exhaust inlet is arranged in the device shell, a dust exhaust valve communicated with the dust exhaust channel is fixed on the side part of the device shell, and an electromagnetic core rod structure capable of controlling the dust exhaust inlet to be opened or closed is arranged in the device shell.
Furthermore, the electromagnetic core rod structure comprises a core rod arranged in the device shell along the axial direction of the device shell and an electromagnetic driving device used for driving the core rod to move up and down along the axial direction of the device shell, and a sealing plug capable of plugging the dust exhaust inlet is fixed at the top end of the core rod.
Furthermore, the dust exhaust channel and the coil shell used for installing the electromagnetic driving device are arranged in the device shell up and down along the axial direction of the device shell, a mandrel guide seat is arranged at the joint of the coil shell and the dust exhaust channel, the mandrel is in sliding fit with the mandrel guide seat, and the bottom end of the mandrel is arranged in the coil shell.
Furthermore, the electromagnetic driving device comprises an electromagnetic coil fixed on the side wall of the coil shell and a fixed magnet fixed on the bottom surface of the coil shell, and a return spring is fixedly connected between the fixed magnet and the bottom surface of the core rod.
Furthermore, the dust exhaust inlet is a frustum-shaped hole with a large upper part and a small lower part, and the sealing plug is a frustum-shaped sealing plug matched with the frustum-shaped hole.
Furthermore, a dust exhaust valve connecting pipe communicated with the dust exhaust channel is fixedly connected to the side of the device shell, and the dust exhaust valve is communicated with the dust exhaust valve connecting pipe and is fixed on the dust exhaust valve connecting pipe.
Further, the dust exhaust valve is a duckbill valve.
The utility model provides a but mounting structure of dust exhaust device wades of air cleaner for special type car, includes air cleaner, the aforesaid but air cleaner for the special type car wade dust exhaust device and liquid level switch, liquid level switch set up in the below of device casing, the device casing is fixed in air cleaner's dust exhaust mouth below, liquid level switch electromagnetism plug structure and power supply module become the electromagnetic circuit.
Furthermore, a shell connecting pipe with an external thread is fixed at a dust exhaust port of the air filter, the external thread is arranged at the top of the device shell, and the shell connecting pipe is fixed with the top of the device shell through a nut.
Furthermore, a sealing gasket is arranged between the top surface of the device shell and the bottom surface of the shell connecting pipe.
The invention has the beneficial effects that: according to the dust exhaust device designed by the invention, when a vehicle does not wade, the liquid level switch does not detect water, and is in a normally open state, and the dust exhaust valve can normally exhaust dust and rainwater; when the vehicle wades and travels, the liquid level switch enters water, the switch is closed, the circuit is conducted, the electromagnetic core rod structure works, and the rubber plug seals the dust exhaust inlet, so that water is prevented from being sucked into the air filter. The structure is simple, the design is ingenious, the processing is easy, the installation and the disassembly are convenient, the generalization and the serialization degree are high, and the arrangement on the vehicle is easy.
Drawings
FIG. 1 is a schematic structural view of a dust exhaust inlet of the apparatus for discharging dust by wading in the invention, which is not closed;
FIG. 2 is a schematic structural view of a mounting position of the wading dust exhaust apparatus on the vehicle body according to the present invention;
FIG. 3 is a schematic view of the liquid level switch of the present invention being turned on;
FIG. 4 is a schematic view of a vehicle wading process according to the present invention;
FIG. 5 is a schematic view of the liquid level switch of the present invention closed;
FIG. 6 is a schematic structural view of a dust exhaust inlet of the wading dust exhaust apparatus of the present invention when closed;
the device comprises a device shell, a coil shell, a dust exhaust valve, a hoop, a nut, a core rod, a sealing plug, a sealing gasket, a solenoid coil, a return spring, a fixed magnet, a terminal anode, a terminal cathode, a dust exhaust inlet, a dust exhaust channel, a core rod guide seat, a dust exhaust valve connecting pipe, an air filter, a liquid level switch, a power supply and a shell connecting pipe, wherein the device shell comprises 1 part, 2 parts, the coil shell, 3 parts, a dust exhaust valve, 4 parts, the hoop, 5 parts, the nut, 6 parts, the core rod, the sealing plug, the sealing gasket, 8 parts, the solenoid.
Detailed Description
The invention is described in further detail below with reference to the figures and the specific embodiments.
The wadable dust exhaust device of the air filter for the special vehicle shown in fig. 1-6 comprises a device shell 1, the top of which is provided with a dust exhaust inlet 14, a dust exhaust channel 15 arranged up and down and a coil shell 2 used for installing an electromagnetic driving device are arranged in the device shell 1 along the axial direction of the device shell, a core rod guide seat 16 is arranged at the joint of the coil shell 2 and the dust exhaust channel 15, a core rod 6 is matched with the core rod guide seat 16 in a sliding manner, the bottom end of the core rod 6 is arranged in the coil shell 2, the dust exhaust inlet 14 is communicated with the dust exhaust channel 15, a dust exhaust valve connecting pipe 17 communicated with the dust exhaust channel 15 is fixedly connected to the side part of the device shell 1, and the dust exhaust valve 3 is communicated with the dust exhaust valve connecting pipe 17 through a hoop and is fixed on the dust exhaust.
An electromagnetic core rod structure capable of controlling the opening or closing of the dust exhaust inlet 14 is arranged in the device shell 1, the electromagnetic core rod structure comprises a core rod 6 arranged in the device shell 1 along the axial direction of the device shell 1 and an electromagnetic driving device used for driving the core rod 6 to move up and down along the axial direction of the device shell 1, the electromagnetic driving device comprises an electromagnetic coil 9 fixed on the side wall of the coil shell 2 and a fixed magnet 11 fixed on the bottom surface of the coil shell 2, and a return spring 10 is fixedly connected between the fixed magnet 11 and the bottom surface of the core rod 6.
The dust exhaust inlet 14 is a frustum-shaped hole with a large upper part and a small lower part, a sealing plug 7 capable of plugging the dust exhaust inlet 14 is fixed at the top end of the core rod 6, and the sealing plug 7 is a frustum-shaped sealing plug matched with the frustum-shaped hole.
The installation structure of the wadable dust exhaust device of the air filter for the special vehicle shown in fig. 2 comprises an air filter 18, the wadable dust exhaust device of the air filter for the special vehicle and a liquid level switch 19, wherein the liquid level switch 19 is arranged below a device shell 1, the device shell 1 is fixed below a dust exhaust port of the air filter 18, and the liquid level switch 19, an electromagnetic core rod structure and a power supply 20 form an electromagnetic loop. A shell connecting pipe 21 with external threads is fixed at the dust exhaust port of the air filter 18, the top of the device shell 1 is provided with the external threads, and the shell connecting pipe 21 and the top of the device shell 1 are fixed through a nut 5. A sealing gasket 8 is arranged between the top surface of the device housing 1 and the bottom surface of the housing connecting pipe 21.
As shown in fig. 4, when the vehicle is not wading, the liquid level switch 19 does not detect water, and is in a normally open state (as shown in fig. 3), the dust exhaust valve 3 is not powered, the plug 6 is at the top dead center under the action of the return spring 10, the sealing plug 7 is separated from the conical surface of the dust exhaust inlet 14, the dust exhaust inlet 14 is opened, and dust and rainwater inside the air cleaner 18 can be exhausted through the dust exhaust passage 15 and the dust exhaust valve 3.
When a vehicle enters a wading area and the liquid level switch 19 is submerged by the water level, the liquid level switch 19 is closed (as shown in fig. 5), the dust exhaust valve 3 is electrified, the magnetic field force generated by the electromagnetic coil 9 on the core rod 6 is greater than the elastic force of the return spring 10, the core rod 6 drives the sealing plug 7 to move to the bottom dead center, the sealing plug 7 presses the conical surface at the upper end of the dust exhaust inlet 14, and external water flow is prevented from being sucked into the air filter 18.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the structure of the present invention in any way. Any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention still fall within the scope of the technical solution of the present invention.

Claims (10)

1. The utility model provides a but special type automobile-used air cleaner's dust exhaust device that paddles which characterized in that: the device comprises a device shell (1) with a dust exhaust inlet (14) arranged at the top, a dust exhaust channel (15) communicated with the dust exhaust inlet (14) is arranged inside the device shell (1), a dust exhaust valve (3) communicated with the dust exhaust channel (15) is fixed on the side part of the device shell (1), and an electromagnetic core rod structure capable of controlling the dust exhaust inlet (14) to be opened or closed is arranged in the device shell (1).
2. The wadable dust exhaust device of the air cleaner for special vehicles according to claim 1, wherein: the electromagnetic core rod structure comprises a core rod (6) arranged in the device shell (1) along the axial direction of the device shell (1) and an electromagnetic driving device used for driving the core rod (6) to move up and down along the axial direction of the device shell (1), and a sealing plug (7) capable of sealing the dust exhaust inlet (14) is fixed at the top end of the core rod (6).
3. The wadable dust exhaust device of the air cleaner for special vehicles according to claim 2, wherein: the dust exhaust device is characterized in that a dust exhaust channel (15) and a coil shell (2) used for installing the electromagnetic driving device are arranged in the device shell (1) up and down along the axial direction of the device shell, a mandrel guide seat (16) is arranged at the joint of the coil shell (2) and the dust exhaust channel (15), the mandrel guide seat (16) is in sliding fit with the mandrel (6), and the bottom end of the mandrel (6) is arranged in the coil shell (2).
4. The wadable dust exhaust device of the air cleaner for special vehicles according to claim 3, wherein: the electromagnetic driving device comprises an electromagnetic coil (9) fixed on the side wall of the coil shell (2) and a fixed magnet (11) fixed on the bottom surface of the coil shell (2), and a return spring (10) is fixedly connected between the fixed magnet (11) and the bottom surface of the core rod (6).
5. The wadable dust exhaust device of the air cleaner for special vehicles according to claim 2, wherein: the dust exhaust inlet (14) is a frustum-shaped hole with a large upper part and a small lower part, and the sealing plug (7) is a frustum-shaped sealing plug matched with the frustum-shaped hole.
6. The wadable dust exhaust device of the air cleaner for special vehicles according to claim 1, wherein: the device is characterized in that a dust exhaust valve connecting pipe (17) communicated with the dust exhaust channel (15) is fixedly connected to the side portion of the device shell (1), and the dust exhaust valve (3) is communicated with the dust exhaust valve connecting pipe (17) and fixed on the dust exhaust valve connecting pipe (17).
7. The wadable dust exhaust device of the air cleaner for special vehicles according to claim 1, wherein: the dust exhaust valve (3) is a duckbill valve.
8. The utility model provides a but mounting structure of dust exhaust device that wades of special type automobile-used air cleaner, includes air cleaner (18), its characterized in that: the special vehicle air filter device with the water-wading dust exhaust function further comprises a water-wading dust exhaust device and a liquid level switch (19) of the special vehicle air filter device, the liquid level switch (19) is arranged below the device shell (1), the device shell (1) is fixed below a dust exhaust port of the air filter (18), and the liquid level switch (19), the electromagnetic core rod structure and the power supply (20) form an electromagnetic loop.
9. The mounting structure of the wadable dust exhaust device of the air cleaner for special vehicles according to claim 8, wherein: a shell connecting pipe (21) with an external thread is fixed at a dust exhaust port of the air filter (18), the external thread is arranged at the top of the device shell (1), and the shell connecting pipe (21) is fixed with the top of the device shell (1) through a nut (5).
10. The mounting structure of the wadable dust exhaust device of the air cleaner for special vehicles according to claim 9, wherein: a sealing gasket (8) is arranged between the top surface of the device shell (1) and the bottom surface of the shell connecting pipe (21).
CN202010624474.9A 2020-06-30 2020-06-30 Wadable dust exhaust device of air filter for special vehicle and mounting structure of wadable dust exhaust device Active CN111794883B (en)

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CN202010624474.9A CN111794883B (en) 2020-06-30 2020-06-30 Wadable dust exhaust device of air filter for special vehicle and mounting structure of wadable dust exhaust device

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CN111794883B CN111794883B (en) 2021-09-10

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4043775A (en) * 1975-12-29 1977-08-23 Ecolaire Inc. Air lock filter system
US6116246A (en) * 1998-02-27 2000-09-12 Holmes Products Corp. Smokeless ashtray
CN201443598U (en) * 2009-03-31 2010-04-28 何长江 Controllable multi-stage throttle electromagnetic valve
CN102266633A (en) * 2010-12-31 2011-12-07 北京谊安医疗系统股份有限公司 Electromagnetic proportional valve and breathing machine comprising same
CN205532938U (en) * 2016-01-13 2016-08-31 北京汽车股份有限公司 Vapour automotive air filter dust exhaust waterproof construction and car
CN106368861A (en) * 2016-11-21 2017-02-01 天津尚吉液压设备有限公司 Automatic closing system for preventing water from entering engine
CN207928888U (en) * 2018-01-19 2018-10-02 泉州特锐环保设备有限公司 A kind of novel pulse dust-extraction unit

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4043775A (en) * 1975-12-29 1977-08-23 Ecolaire Inc. Air lock filter system
US6116246A (en) * 1998-02-27 2000-09-12 Holmes Products Corp. Smokeless ashtray
CN201443598U (en) * 2009-03-31 2010-04-28 何长江 Controllable multi-stage throttle electromagnetic valve
CN102266633A (en) * 2010-12-31 2011-12-07 北京谊安医疗系统股份有限公司 Electromagnetic proportional valve and breathing machine comprising same
CN205532938U (en) * 2016-01-13 2016-08-31 北京汽车股份有限公司 Vapour automotive air filter dust exhaust waterproof construction and car
CN106368861A (en) * 2016-11-21 2017-02-01 天津尚吉液压设备有限公司 Automatic closing system for preventing water from entering engine
CN207928888U (en) * 2018-01-19 2018-10-02 泉州特锐环保设备有限公司 A kind of novel pulse dust-extraction unit

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