CN109184980B - Automobile fuel multistage filter - Google Patents
Automobile fuel multistage filter Download PDFInfo
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- CN109184980B CN109184980B CN201811148517.XA CN201811148517A CN109184980B CN 109184980 B CN109184980 B CN 109184980B CN 201811148517 A CN201811148517 A CN 201811148517A CN 109184980 B CN109184980 B CN 109184980B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
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- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The invention belongs to the technical field of filters, and particularly relates to an automobile fuel multistage filter which comprises a shell, a first filtering unit, a second filtering unit, an inlet pipe and an outlet pipe, wherein the first filtering unit is connected with the second filtering unit through a pipeline; the first filtering unit and the second filtering unit are both positioned in the shell, and the second filtering unit is positioned in the first filtering unit; the inlet pipe is arranged in the middle of the top of the shell, and one end of the inlet pipe penetrates through the first filtering unit and the second filtering unit and extends into the second filtering unit; the outlet pipe is arranged at the bottom of the shell; according to the invention, through arranging the first filtering unit and the second filtering unit, the automobile fuel can be subjected to multi-layer filtering, meanwhile, the power generated in the filtering can be utilized, and the utilization rate of resources is improved.
Description
Technical Field
The invention belongs to the technical field of filters, and particularly relates to an automobile fuel multistage filter.
Background
The filter is a filter that filters impurities or gas through filter paper. Generally, the automobile filter is an accessory of an engine, and because automobile fuel contains excessive impurities, the automobile fuel needs to be filtered in the filter before entering the engine so as to reduce the damage of the impurities in the automobile fuel to the engine, so that how to fully filter the automobile fuel before entering the engine is a technical problem to be solved.
A technical solution of an automobile fuel filter has also appeared in the prior art, and for example, a chinese patent with application number 2004800080693 discloses a fuel filter for an automobile, which includes a filter screen disposed in a filter housing and held between two cover plates; a support cage and a radial support screen; and a nipple for connecting the pipe; the cover disk faces away from the bearing cage, one end of the cover disk is made together with the other cover disk and with the component integrally connected to the other cover disk, the bearing cage is arranged vertically on the cover disk and is spaced apart from each other by a distance greater than its own width and a ring arranged parallel to the cover disk, and the struts pass through the ring radially on the inside or radially on the outside and extend beyond the ring furthest from the cover disk.
The fuel filter of the technical scheme can filter the automobile fuel and is low in manufacturing cost; however, the technical scheme can only filter the automobile fuel once, and can not ensure that impurities in the automobile fuel can be completely filtered, so that the automobile fuel enters the engine and is excessively harmful to the engine; so that the technical solution is limited.
Disclosure of Invention
In order to make up the defect that the automobile fuel is insufficiently filtered in the filter in the prior art, the automobile fuel multistage filter provided by the invention can carry out multi-layer filtering on the automobile fuel on one hand and reduce impurities in the automobile fuel through the mutual matching of the first filtering unit and the second filtering unit; on the other hand, the power generated in the filtering process is utilized, so that the utilization rate of resources is improved.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to an automobile fuel multistage filter, which comprises a shell, a first filtering unit, a second filtering unit, an inlet pipe, an outlet pipe and a controller, wherein the first filtering unit is connected with the second filtering unit; the controller is used for controlling the filter to work; the first filtering unit and the second filtering unit are both positioned in the shell, the second filtering unit is positioned in the first filtering unit, the second filtering unit carries out one-layer filtering on the automobile fuel, and the first filtering unit carries out two-layer filtering on the automobile fuel; the inlet pipe is arranged in the middle of the top of the shell, and one end of the inlet pipe penetrates through the first filtering unit and the second filtering unit and extends into the second filtering unit; the outlet pipe is arranged at the bottom of the shell; wherein the content of the first and second substances,
the first filtering unit comprises a top cover, a bottom cover, a filtering screen supporting rod, a motor and a first circular filtering screen; the top cover is rotatably connected with the inlet pipe through a bearing; the top cover and the bottom cover are connected through filter screen support rods, the filter screen support rods are uniformly distributed on the outer side of the first circular filter screen, and the filter screen support rods are used for supporting the first circular filter screen; one end of the motor is fixed on the inner side of the bottom of the shell, the other end of the motor is fixedly connected with the middle part of the outer side of the bottom cover, the motor is used for providing power for the rotation of the first filtering unit, driving the first filtering unit to rotate around the inlet pipe, generating centrifugal force through rotation, throwing the automobile fuel onto the first circular filtering net, and filtering and discharging the automobile fuel through the first circular filtering net; meanwhile, impurities in the automobile fuel can not be precipitated in the process of filtering by rotating the first filtering unit, so that the filtering effect of the automobile fuel is ensured;
the second filtering unit comprises a first transverse plate, a second transverse plate, a third transverse plate, a first vertical plate and a second vertical plate; the first transverse plates are symmetrically arranged on two sides of the inlet pipe; the second transverse plate is positioned below the first transverse plate; the first vertical plate is symmetrically arranged between the first transverse plate and the second transverse plate by taking the inlet pipe as a reference; the second vertical plate is symmetrically arranged between the first transverse plate and the second transverse plate by taking the inlet pipe as a reference, and the first vertical plate is positioned on the inner side of the second vertical plate; an air bag is arranged between the two first vertical plates, and springs are symmetrically arranged on two sides of the air bag; one end of the spring is fixedly connected with the second transverse plate, and the other end of the spring is fixedly connected with an ejection plate; the air bag is fixedly connected with the bottom of the ejection plate; a flow limiting plate is fixedly connected to the inner wall of the inlet pipe, and sieve pores are formed in the flow limiting plate; the middle part of the lower end of the flow limiting plate is fixedly connected with a fan, and the fan rotates to stir the automobile fuel; a through hole is formed in the middle of the first vertical plate, a first one-way membrane is mounted on the through hole, and the first one-way membrane is used for filtering automobile fuel for one time; one end of the second vertical plate is fixedly connected with one side of the first transverse plate through a second one-way film, the other end of the second vertical plate is fixedly connected with one side of the second transverse plate through the second one-way film, and the second one-way film is used for carrying out secondary filtration on automobile fuel; the third transverse plate is horizontally arranged between the first vertical plate and the second vertical plate, one end of the third transverse plate is in contact with the first vertical plate, and the other end of the third transverse plate is in contact with the second vertical plate; the bottom of the third transverse plate is fixedly connected with an air cylinder, the bottom of the air cylinder is fixedly connected with the second transverse plate, the air cylinder drives the third transverse plate to move in the vertical direction, and automobile fuel on the third transverse plate can be filtered out through the second one-way membrane by compressing and compressing the space between the third transverse plate and the first vertical plate and the space between the third transverse plate and the second vertical plate; the automobile fuel contains excessive impurities, and the automobile fuel must enter a filter for filtering before entering an engine, but the existing device cannot filter the automobile fuel sufficiently, so that the damage to the engine is too large after the automobile fuel enters the engine, and the problem that how to filter the automobile fuel sufficiently before entering the engine is solved; according to the invention, by designing the automobile fuel filter, on one hand, the automobile fuel can be subjected to multi-layer filtration by arranging the first filtering unit and the second filtering unit, so that impurities in the automobile fuel can be fully filtered, and the damage to an engine after the automobile fuel enters the engine is reduced; on the other hand, the gas compressed and discharged by the air bag in the second filtering unit can be used as a power source for the work of the air cylinder, so that the utilization rate of resources is improved.
The automobile fuel flows into the inlet pipe and enters the flow limiting plate; the automobile fuel falls onto the fan from the sieve pores on the flow limiting plate, and the fan rotates due to the impact of the automobile fuel on the fan blades, so that the automobile fuel can be stirred; then the automobile fuel falls onto the ejection plate, on one hand, due to the action of gravity, a spring fixedly connected with the ejection plate and an air bag are compressed and deformed, an air outlet of the air bag is connected with an air inlet of the air cylinder, and the air bag is compressed, so that air flows into the air inlet of the air cylinder from the air outlet of the air bag to provide power for the air cylinder; on the other hand, the automobile fuel enters a third transverse plate through the first one-way membrane filtration, which is the first-stage filtration; when the air bag is compressed to discharge air, the air cylinder drives the third transverse plate to move upwards, the air pressure above the third transverse plate is increased, so that automobile fuel oil is filtered and flows out of the second unidirectional film above the third vertical plate into the first filtering unit; the first one-way membrane and the second one-way membrane have the effect of preventing the backflow of the automobile fuel except the filtering effect, the aperture of the first one-way membrane is larger than that of the second one-way membrane, and the apertures with different sizes can ensure that impurities with different sizes in the automobile fuel can be adsorbed by the first one-way membrane and the second one-way membrane; after entering the first filtering unit, the automobile fuel firstly falls into a bottom cover, a top cover is rotatably connected with an inlet pipe through a bearing, the bottom of the bottom cover is connected with the output end of a motor, the top cover and the bottom cover are connected through a filter screen supporting rod, and the filter screen supporting rod is uniformly distributed on the outer side of a first circular filter screen; after automobile fuel entered into a filter unit, the motor started, and a filter unit produces centrifugal force around the rotation of import pipe, with automobile fuel on a filter unit get rid of to first ring filter screen on, through first ring filter screen filtration back, flow in inside the casing, flow out through the outlet pipe at last.
Preferably, a sealant is bonded at the contact position of the bearing and the inlet pipe, and a sealant is bonded at the contact position of the first transverse plate and the inlet pipe; on one hand, when the first filtering unit rotates, the automobile fuel can overflow from a gap where the bearing is connected with the air inlet pipe due to rotation, and the automobile fuel can be prevented from overflowing from the gap where the bearing is connected with the air inlet pipe when the first filtering unit works by arranging the sealant, so that the waste of the automobile fuel is reduced, and the air tightness of the first filtering unit is improved; on the other hand, when the fan when stirring automobile fuel, because the fan rotates, automobile fuel can spill over from import pipe and diaphragm kneck, through setting up sealed glue, can prevent that automobile fuel from spilling over from import pipe and diaphragm kneck, has reduced automobile fuel's waste.
Preferably, one end of the filter screen support rod, which is far away from the first circular filter screen, is connected with a second circular filter screen, and the second circular filter screen can filter impurities which are not completely filtered by the first circular filter screen again, so that the filtering effect is further improved; and the aperture of the first circular ring filter screen is larger than that of the second circular ring filter screen, and the first circular ring filter screen and the second circular ring filter screen with different apertures can filter impurities with different sizes in the automobile fuel oil in sequence, so that the filtering effect of the automobile fuel oil is ensured.
Preferably, one side of the ejection plate close to the first one-way membrane is wavy, and the wavy ejection plate can increase the contact area with automobile fuel, so that the impact of the automobile fuel on the ejection plate is larger, the deformation of the air bag is increased, and enough gas is ensured to enter the cylinder to drive the cylinder to move up and down.
Preferably, the filter screen bracing piece is magnet, flows from first ring filter screen when the automobile fuel, and when the contact with the filter screen bracing piece, the filter screen bracing piece can adsorb the impurity that contains magnetism in the automobile fuel, makes automobile fuel filterable more thorough.
The invention has the following beneficial effects:
1. according to the automobile fuel multistage filter, the second filtering unit is arranged, on one hand, when automobile fuel enters from the inlet pipe, due to the action of gravity, the air bag is compressed, compressed gas enters the cylinder to provide power for the cylinder, and power generated in the filtering process is utilized, so that the utilization rate of resources is improved, on the other hand, the automobile fuel can be continuously filtered twice through the first one-way membrane and the second one-way membrane, and the filtering effect is improved.
2. According to the automobile fuel multistage filter, the first filtering unit is arranged, the motor rotates to drive the first filtering unit to rotate to generate centrifugal force, automobile fuel on the first filtering unit is thrown into the first circular filtering net, the automobile fuel flows into the shell after being filtered by the first circular filtering net and the second circular filtering net and finally flows out through the outlet pipe, and therefore the automobile fuel is filtered for the third time, and the filtering effect is further improved.
3. According to the automobile fuel multistage filter, the filter screen support rod is arranged to be the magnet, when automobile fuel flows out of the first annular filter screen and contacts with the filter screen support rod, the filter screen support rod can adsorb magnetic impurities in the automobile fuel, and the automobile fuel is filtered more thoroughly.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a front view of the present invention;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;
in the figure: the air filter comprises a shell 1, a first filtering unit 2, a top cover 21, a sealant 211, a bottom cover 22, a filtering screen supporting rod 23, a motor 24, a first circular filtering screen 25, a second circular filtering screen 26, a second filtering unit 3, a first transverse plate 31, a second transverse plate 32, a third transverse plate 33, an air cylinder 331, a first vertical plate 34, an air bag 341, an ejection plate 342, a flow limiting plate 343, a fan 344, a through hole 345, a first one-way membrane 346, a second vertical plate 35, a second one-way membrane 351, an inlet pipe 4 and an outlet pipe 5.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 2, the multistage automobile fuel filter comprises a shell 1, a first filtering unit 2, a second filtering unit 3, an inlet pipe 4, an outlet pipe 5 and a controller, wherein the first filtering unit 2 is connected with the second filtering unit 3 through a pipeline; the controller is used for controlling the filter to work; the first filtering unit 2 and the second filtering unit 3 are both positioned in the shell 1, the second filtering unit 3 is positioned in the first filtering unit 2, the second filtering unit 3 filters automobile fuel oil for one layer, and the first filtering unit 2 filters the automobile fuel oil for two layers; the inlet pipe 4 is arranged in the middle of the top of the shell 1, and one end of the inlet pipe 4 penetrates through the first filtering unit 2 and the second filtering unit 3 and extends into the second filtering unit 3; the outlet pipe 5 is arranged at the bottom of the shell 1; wherein the content of the first and second substances,
the first filtering unit 2 comprises a top cover 21, a bottom cover 22, a filtering screen supporting rod 23, a motor 24 and a first circular filtering screen 25; the top cover 21 is rotationally connected with the inlet pipe 4 through a bearing; the top cover 21 and the bottom cover 22 are connected through a filter screen support rod 23, the filter screen support rods 23 are uniformly distributed on the outer side of the first circular filter screen 25, and the filter screen support rod 23 is used for supporting the first circular filter screen 25; one end of the motor 24 is fixed on the inner side of the bottom of the shell 1, the other end of the motor 24 is fixedly connected with the middle part of the outer side of the bottom cover 22, the motor 24 is used for providing power for the rotation of the first filtering unit 2, driving the first filtering unit 2 to rotate around the inlet pipe 4, generating centrifugal force through rotation, throwing the automobile fuel onto the first circular filter screen 25, and filtering and discharging the automobile fuel through the first circular filter screen 25; meanwhile, impurities in the automobile fuel can not be precipitated in the process of filtering by rotating the first filtering unit 2, so that the filtering effect of the automobile fuel is ensured;
the second filtering unit 3 comprises a first transverse plate 31, a second transverse plate 32, a third transverse plate 33, a first vertical plate 34 and a second vertical plate 35; the first transverse plates 31 are symmetrically arranged on two sides of the inlet pipe 4; the second transverse plate 32 is positioned below the first transverse plate 31; the first vertical plate 34 is symmetrically arranged between the first transverse plate 31 and the second transverse plate 32 by taking the inlet pipe 4 as a reference; the second vertical plate 35 is symmetrically arranged between the first transverse plate 31 and the second transverse plate 32 by taking the inlet pipe 4 as a reference, and the first vertical plate 34 is positioned on the inner side of the second vertical plate 35; an air bag 341 is arranged between the two first vertical plates 34, and springs are symmetrically arranged on two sides of the air bag 341; one end of the spring is fixedly connected with the second transverse plate 32, and the other end of the spring is fixedly connected with an ejection plate 342; the air bag 341 is fixedly connected with the bottom of the ejection plate 342; a flow limiting plate 343 is fixedly connected to the inner wall of the inlet pipe 4, and sieve holes are formed in the flow limiting plate 343; the fan 344 is fixedly connected to the middle of the lower end of the flow restriction plate 343, and the fan 344 rotates to stir the automobile fuel; a through hole 345 is formed in the middle of the first vertical plate 34, a first one-way membrane 346 is mounted on the through hole 345, and the first one-way membrane 346 filters automobile fuel for one time; one end of the second vertical plate 35 is fixedly connected with one side of the first transverse plate 31 through the second unidirectional film 351, the other end of the second vertical plate 35 is fixedly connected with one side of the second transverse plate 32 through the second unidirectional film 351, and the second unidirectional film 351 is used for carrying out secondary filtration on automobile fuel; the third transverse plate 33 is horizontally arranged between the first vertical plate 34 and the second vertical plate 35, one end of the third transverse plate 33 is in contact with the first vertical plate 34, and the other end of the third transverse plate 33 is in contact with the second vertical plate 35; the bottom of the third transverse plate 33 is fixedly connected with an air cylinder 331, the bottom of the air cylinder 331 is fixedly connected with the second transverse plate 32, the air cylinder 331 drives the third transverse plate 33 to move in the vertical direction, and automobile fuel on the third transverse plate 33 can be filtered out through the second one-way membrane 351 by compressing the space between the third transverse plate 33 and the first vertical plate 34 as well as the second vertical plate 35; the automobile fuel contains excessive impurities, and the automobile fuel must enter a filter for filtering before entering an engine, but the existing device cannot filter the automobile fuel sufficiently, so that the damage to the engine is too large after the automobile fuel enters the engine, and the problem that how to filter the automobile fuel sufficiently before entering the engine is solved; according to the automobile fuel multistage filter, on one hand, the first filtering unit 2 and the second filtering unit 3 are arranged, so that automobile fuel can be subjected to multilayer filtering, impurities in the automobile fuel can be fully filtered, and the damage to an engine after the automobile fuel enters the engine is reduced; on the other hand, the gas compressed and exhausted by the air bag 341 in the second filtering unit 3 can be used as a power source for the operation of the air cylinder 331, thereby improving the utilization rate of resources.
The automobile fuel flows into the inlet pipe 4 and enters the flow limiting plate 343; the automobile fuel falls into the fan 344 from the sieve holes on the flow limiting plate 343, and the fan 344 rotates due to the impact of the automobile fuel on the fan blades of the fan 344, so that the automobile fuel can be stirred; then the automobile fuel falls onto the ejection plate 342, on one hand, due to the action of gravity, the spring fixedly connected with the ejection plate 342 and the air bag 341 are compressed and deformed, the air outlet of the air bag 341 is connected with the air inlet of the air cylinder 331, the air bag 341 is compressed, so that the air flows into the air inlet of the air cylinder 331 from the air outlet of the air bag 341 to provide power for the air cylinder 331; on the other hand, the automobile fuel enters the third transverse plate 33 through the first one-way membrane 346 for primary filtration; when the air bag 341 is compressed to give out air, the air cylinder 331 drives the third transverse plate 33 to move upwards, the air pressure above the third transverse plate 33 is increased, so that automobile fuel oil is filtered and flows out of the second unidirectional film 351 above the third vertical plate into the first filtering unit 2, when the air bag 341 is retracted, the air cylinder 331 drives the third transverse plate 33 to move downwards, the air pressure below the third transverse plate 33 is increased, so that the automobile fuel oil is filtered and flows out of the second unidirectional film 351 below the second vertical plate 35 into the first filtering unit 2, and the filtering is secondary filtering; the first one-way membrane 346 and the second one-way membrane 351 have the effect of preventing the automobile fuel from flowing back except the filtering effect, the pore diameter of the first one-way membrane 346 is larger than that of the second one-way membrane 351, and the pore diameters of different sizes can ensure that impurities with different sizes in the automobile fuel can be adsorbed by the first one-way membrane 346 and the second one-way membrane 351; after entering the first filtering unit 2, the automobile fuel firstly falls onto a bottom cover 22, the top cover 21 is rotatably connected with an inlet pipe 4 through a bearing, the bottom of the bottom cover 22 is connected with the output end of a motor 24, the top cover 21 and the bottom cover 22 are connected through a filter screen support rod 23, and the filter screen support rod 23 is uniformly distributed on the outer side of a first circular filter screen 25; after automobile fuel enters the first filter unit 2, the motor 24 is started, the first filter unit 2 rotates around the inlet pipe 4 to generate centrifugal force, the automobile fuel on the first filter unit 2 is thrown onto the first circular filter screen 25, and flows into the shell 1 after being filtered by the first circular filter screen 25 and finally flows out through the outlet pipe 5.
As an embodiment of the invention, a sealant 211 is bonded at a contact position of the bearing and the inlet pipe 4, and a sealant 211 is bonded at a contact position of the first transverse plate 31 and the inlet pipe 4; on one hand, when the first filtering unit 2 rotates, automobile fuel oil overflows from a gap where the bearing is connected with the air inlet pipe 4 due to rotation, and the sealant 211 is arranged, so that the automobile fuel oil can be prevented from overflowing from the gap where the bearing is connected with the air inlet pipe 4 when the first filtering unit 2 works, the waste of the automobile fuel oil is reduced, and the air tightness of the first filtering unit 2 is improved; on the other hand, when fan 344 when stirring the automobile fuel, because fan 344 rotates, the automobile fuel can spill over from import pipe 4 and diaphragm 31 kneck, through sealed glue 211 that sets up, can prevent that the automobile fuel from spilling over from import pipe 4 and diaphragm 31 kneck, has reduced the waste of automobile fuel.
As an embodiment of the present invention, one end of the filter screen support rod 23, which is far away from the first circular filter screen 25, is connected to a second circular filter screen 26, and the second circular filter screen 26 can filter impurities that are not completely filtered by the first circular filter screen 25 again, so as to further improve the filtering effect; and the aperture of first ring filter 25 is greater than the aperture of second ring filter 26, and the first ring filter 25 and the second ring filter 26 of different apertures can filter the impurity of variation in size in the automobile fuel in proper order, have guaranteed the filter effect of automobile fuel.
As an implementation mode of the invention, one side of the ejection plate 342, which is close to the first one-way membrane 346, is wavy, and the wavy ejection plate 342 can increase the contact area with the automobile fuel, so that the impact of the automobile fuel on the ejection plate 342 is larger, the deformation amount of the air bag 341 is increased, and enough gas is ensured to enter the air cylinder 331 to drive the air cylinder 331 to move up and down.
As an embodiment of the present invention, the filter screen support rod 23 is a magnet, and when the automobile fuel flows out from the first circular filter screen 25 and contacts with the filter screen support rod 23, the filter screen support rod 23 can adsorb magnetic impurities contained in the automobile fuel, so that the automobile fuel is filtered more thoroughly.
When the automobile fuel oil inlet pipe works, the automobile fuel oil flows into the inlet pipe 4 and enters the flow limiting plate 343; the automobile fuel falls into the fan 344 from the sieve holes on the flow limiting plate 343, and the fan 344 rotates due to the impact of the automobile fuel on the fan blades of the fan 344, so that the automobile fuel can be stirred; then the automobile fuel falls onto the ejection plate 342, on one hand, due to the action of gravity, a spring fixedly connected with the ejection plate 342 and the air bag 341 are compressed and deformed, an air outlet of the air bag 341 is connected with an air inlet of the air cylinder 331, the air bag 341 is compressed, so that air flows into the air inlet of the air cylinder 331 from an air outlet of the air bag 341 to provide power for the air cylinder 331, one surface of the ejection plate 342, which is close to the first one-way membrane 346, is wavy, the contact area of the wavy ejection plate 342 and the automobile fuel can be increased, the impact of the automobile fuel on the ejection plate 342 is larger, the deformation amount of the air bag 341 is increased, enough air is ensured to enter the air cylinder 331, and the; on the other hand, the automobile fuel enters the third transverse plate 33 through the first one-way membrane 346 for primary filtration; when the air bag 341 is compressed to give out air, the air cylinder 331 drives the third transverse plate 33 to move upwards, the air pressure above the third transverse plate 33 is increased, so that automobile fuel oil is filtered and flows out of the second unidirectional film 351 above the third vertical plate into the first filtering unit 2, when the air bag 341 is retracted, the air cylinder 331 drives the third transverse plate 33 to move downwards, the air pressure below the third transverse plate 33 is increased, so that the automobile fuel oil is filtered and flows out of the second unidirectional film 351 below the second vertical plate 35 into the first filtering unit 2, and the filtering is secondary filtering; the first one-way membrane 346 and the second one-way membrane 351 have the effect of preventing the backflow of the automobile fuel besides the filtering function; the aperture of the first one-way membrane 346 is larger than that of the second one-way membrane 351, and the apertures with different sizes can ensure that impurities with different sizes in the automobile fuel can be adsorbed by the first one-way membrane 346 and the second one-way membrane 351; after entering the first filtering unit 2, the automobile fuel firstly falls onto the top cover 22, the top cover 21 is rotatably connected with the inlet pipe 4 through a bearing, the bottom of the bottom cover 22 is connected with the output end of the motor 24, the top cover 21 and the bottom cover 22 are connected through a filter screen support rod 23, and the filter screen support rod 23 is uniformly distributed on the outer side of the first circular filter screen 25; after automobile fuel enters the first filtering unit 2, the motor 24 is started, the first filtering unit 2 rotates around the inlet pipe 4 to generate centrifugal force, the automobile fuel on the first filtering unit 2 is thrown onto the first circular filtering net 25 to be filtered, one end, far away from the first circular filtering net 25, of the filtering net supporting rod 23 is connected with a second circular filtering net 26, the second circular filtering net 26 can filter impurities, which are not filtered by the first circular filtering net 25, again, and the filtering effect is further improved; the aperture of the first circular filter screen 25 is larger than that of the second circular filter screen 26, and the first circular filter screen 25 and the second circular filter screen 26 with different apertures can sequentially filter impurities with different sizes in the automobile fuel, so that the filtering effect of the automobile fuel is ensured; the filter screen support rod 23 is a magnet, when the automobile fuel flows out of the first circular filter screen 25 and contacts with the filter screen support rod 23, the filter screen support rod 23 can adsorb magnetic impurities in the automobile fuel, so that the automobile fuel is filtered more thoroughly; finally, the fuel of the automobile flows into the shell 1 and flows out from the outlet pipe 5.
In the description of the present invention, it is to be understood that the terms "center", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the present invention.
Finally, it should be pointed out that: the above examples are only for illustrating the technical solutions of the present invention, and are not limited thereto. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention. All other embodiments obtained by a person skilled in the art without making any inventive step are within the scope of protection of the present invention.
Claims (5)
1. The automobile fuel multistage filter comprises a shell (1), and is characterized by further comprising a first filtering unit (2), a second filtering unit (3), an inlet pipe (4), an outlet pipe (5) and a controller; the controller is used for controlling the filter to work; the first filtering unit (2) and the second filtering unit (3) are both positioned in the shell (1), the second filtering unit (3) is positioned in the first filtering unit (2), the second filtering unit (3) filters automobile fuel oil by one layer, and the first filtering unit (2) filters the automobile fuel oil by two layers; the inlet pipe (4) is arranged in the middle of the top of the shell (1), and one end of the inlet pipe (4) penetrates through the first filtering unit (2) and the second filtering unit (3) and extends into the second filtering unit (3); the outlet pipe (5) is arranged at the bottom of the shell (1); wherein the content of the first and second substances,
the first filtering unit (2) comprises a top cover (21), a bottom cover (22), a filtering screen supporting rod (23), a motor (24) and a first circular filtering screen (25); the top cover (21) is rotatably connected with the inlet pipe (4) through a bearing; the top cover (21) and the bottom cover (22) are connected through a filter screen support rod (23), the filter screen support rod (23) is uniformly distributed on the outer side of the first circular filter screen (25), and the filter screen support rod (23) is used for supporting the first circular filter screen (25); one end of the motor (24) is fixed on the inner side of the bottom of the shell (1), the other end of the motor (24) is fixedly connected with the middle part of the outer side of the bottom cover (22), and the motor (24) is used for providing power for the rotation of the first filtering unit (2), filtering the automobile fuel in the first filtering unit (2) and simultaneously preventing impurities in the automobile fuel from generating precipitation;
the second filtering unit (3) comprises a first transverse plate (31), a second transverse plate (32), a third transverse plate (33), a first vertical plate (34) and a second vertical plate (35); the first transverse plates (31) are symmetrically arranged on two sides of the inlet pipe (4); the second transverse plate (32) is positioned below the first transverse plate (31); the first vertical plate (34) is symmetrically arranged between the first transverse plate (31) and the second transverse plate (32) by taking the inlet pipe (4) as a reference; the second vertical plate (35) is symmetrically arranged between the first transverse plate (31) and the second transverse plate (32) by taking the inlet pipe (4) as a reference, and the first vertical plate (34) is positioned on the inner side of the second vertical plate (35); an air bag (341) is arranged between the two first vertical plates (34), and springs are symmetrically arranged on two sides of the air bag (341); one end of the spring is fixedly connected with the second transverse plate (32), and the other end of the spring is fixedly connected with an ejection plate (342); the air bag (341) is fixedly connected with the bottom of the ejection plate (342); a flow limiting plate (343) is fixedly connected to the inner wall of the inlet pipe (4), and sieve holes are formed in the flow limiting plate (244); the fan (344) is fixedly connected to the middle of the lower end of the flow limiting plate (343), and the fan (344) rotates to stir automobile fuel; a through hole (345) is formed in the middle of the first vertical plate (34), a first one-way membrane (346) is mounted on the through hole (345), and the first one-way membrane (346) is used for filtering automobile fuel at one time; one end of the second vertical plate (35) is fixedly connected with one side of the first transverse plate (31) through the second unidirectional film (351), the other end of the second vertical plate (35) is fixedly connected with one side of the second transverse plate (32) through the second unidirectional film (351), and the second unidirectional film (351) is used for carrying out secondary filtration on automobile fuel; the third transverse plate (33) is vertically arranged between the first vertical plate (34) and the second vertical plate (35), one end of the third transverse plate (33) is in contact with the first vertical plate (34), and the other end of the third transverse plate (33) is in contact with the second vertical plate (35); the bottom rigid coupling of No. three diaphragm (33) has cylinder (331), and the bottom and No. two diaphragm (32) rigid couplings of cylinder (331), cylinder (331) drive No. three diaphragm (33) and move on vertical direction, through compressing the space between No. three diaphragm (33) and a riser (34) and No. two risers (35), make the automobile fuel on No. three diaphragm (33) can filter away through No. two one-way membrane (351).
2. The multistage filter for automobile fuel according to claim 1, characterized in that: a sealant (211) is bonded at the contact part of the bearing and the inlet pipe (4); a sealed glue (211) is bonded at the contact position of the transverse plate (31) and the inlet pipe (4), and the sealed glue (211) can prevent the leakage of automobile fuel.
3. The multistage filter for automobile fuel according to claim 1, characterized in that: one end of the filter screen supporting rod (23) far away from the first circular filter screen (25) is connected with a second circular filter screen (26), and the second circular filter screen (26) can filter automobile fuel flowing out of the first circular filter screen (25) again.
4. The multistage filter for automobile fuel according to claim 1, characterized in that: one side of the ejection plate (342) close to the first unidirectional membrane (346) is wavy, and the wavy ejection plate (342) can increase the contact area with automobile fuel.
5. The multistage filter for automobile fuel according to claim 1, characterized in that: the filter screen support rod (23) is a magnet and can be used for adsorbing magnetic impurities in automobile fuel.
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| CN201811148517.XA CN109184980B (en) | 2018-09-29 | 2018-09-29 | Automobile fuel multistage filter |
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| CN201811148517.XA CN109184980B (en) | 2018-09-29 | 2018-09-29 | Automobile fuel multistage filter |
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| CN109184980A CN109184980A (en) | 2019-01-11 |
| CN109184980B true CN109184980B (en) | 2020-06-05 |
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| DE10315506A1 (en) * | 2003-04-04 | 2004-10-14 | Siemens Ag | Fuel filter for a motor vehicle |
| JP5900743B2 (en) * | 2012-04-11 | 2016-04-06 | Ｊｆｅエンジニアリング株式会社 | Method and apparatus for treatment of associated water from a well |
| CN103967852A (en) * | 2014-05-29 | 2014-08-06 | 成都陵川特种工业有限责任公司 | Circulating hydraulic oil tank structure |
| CN204695924U (en) * | 2015-06-11 | 2015-10-07 | 国网山东滨州市滨城区供电公司 | A kind of for the novel transformer in electric power system |
| CN207566191U (en) * | 2017-10-13 | 2018-07-03 | 天津市东方特种润滑油有限公司 | Lubricating oil energy storage tank |
| CN108534861A (en) * | 2018-05-31 | 2018-09-14 | 江苏海事职业技术学院 | A kind of diesel engine monitoring instrument |
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Effective date of registration: 20200509 Address after: 325200 Development Zone, Ruian Economic Development Zone, Wenzhou, Zhejiang Applicant after: ZHEJIANG CHANGSHENG OIL FILTER Co.,Ltd. Address before: 310018 Hangzhou University of Electronic Science and Technology, No. 1158, No. 2 Main Street, Baiyang Street, Jingkai District, Hangzhou City, Zhejiang Province Applicant before: Di Fengjun |
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