CN114109678B

CN114109678B - Vertical fuel filter

Info

Publication number: CN114109678B
Application number: CN202111301118.4A
Authority: CN
Inventors: 杨卫民
Original assignee: Qingqi Group Jiangmen Guangsu Motorcycle Co ltd
Current assignee: Qingqi Group Jiangmen Guangsu Motorcycle Co ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2023-04-18
Anticipated expiration: 2041-11-04
Also published as: CN114109678A

Abstract

The invention relates to the technical field of fuel oil filtering equipment, and discloses a vertical fuel oil filter which comprises a shell, an oil inlet interface and an oil outlet interface, wherein the oil inlet interface is arranged at the top of the side wall of the shell, the oil outlet interface is arranged at the top end of the shell, a supporting plate is arranged in the middle of the inner cavity of the shell, a first through hole is formed in the middle of the supporting plate, a filtering net bag is arranged in the first through hole, and the edge part of the opening of the filtering net bag is fixedly connected with the inner wall of the first through hole; according to the invention, when the filter net bag is cleaned, the fixed disc is driven by the driving mechanism to move downwards relative to the shell, so that the filter net bag is turned over and moves into the second through hole, at the moment, the oil outlet end of the nozzle sprays oil towards the filter net bag, and under the impact action of oil, impurities adsorbed on the filter net bag are washed and fall below the partition plate, so that the impurities on the filter net bag are separated and are separated below the partition plate, the filter net bag can be cleaned without disassembling the shell, and the cleaning process is convenient.

Description

Vertical fuel filter

Technical Field

The invention relates to the technical field of fuel oil filtering equipment, in particular to a vertical fuel oil filter.

Background

The fuel oil contains partial solid impurities, and when the vehicle engine uses the fuel oil, the impurities in the fuel oil must be filtered and separated so as not to damage the engine.

Chinese patent CN105134437A discloses a motorcycle fuel oil filtering device, which comprises a shell, a cover body covering the shell, and a filter cover positioned in the inner space of the shell, wherein the shell and the cover body are welded. According to the motorcycle fuel oil filtering device, the shell and the cover body are connected in a welding mode, such as ultrasonic welding or heat seal welding, so that relative movement does not occur in the vibration process when the motorcycle shakes or vibrates, the oil leakage phenomenon is avoided, and the safety of the whole motorcycle is improved; the processing of the thread opening is not needed, so the processing technology is simple; the use of the sealing ring is reduced, and the manufacturing cost is further saved.

However, when the device filters fuel, because the fuel contains some fixed impurities which are accumulated on the filter cover, the filter cover needs to be cleaned every time the device is used for a period of time, and the shell cover needs to be detached during cleaning, so that the cleaning process is troublesome.

Therefore, it is necessary to provide a vertical fuel filter to solve the above technical problems.

Disclosure of Invention

The invention aims to provide a vertical fuel filter, which aims to solve the problem that the conventional vertical fuel filter in the background art is inconvenient to clean a filter cover.

To achieve this, it is desirable to backwash the filter housing rapidly with a liquid stream without disassembling the housing.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a vertical fuel filter, includes the casing, sets up the oil feed interface at casing lateral wall top and sets up the interface that produces oil on the casing top, the middle part of casing inner chamber is provided with the backup pad, first through-hole has been seted up at the middle part of backup pad, be provided with the filter net bag in the first through-hole, the limit portion of filter net bag opening part with the inner wall fixed connection of first through-hole, the bottom of backup pad is provided with the baffle, the second through-hole has been seted up on the baffle, be provided with the nozzle between backup pad and the baffle, the nozzle with the oil feed interface is linked together, the play liquid end of nozzle sets up towards the second through-hole, the tip fixed mounting of filter net bag has the fixed disk, the top of fixed disk is provided with the actuating mechanism that is used for driving the relative casing of fixed disk to reciprocate, and when the fixed disk removed to the below of second through-hole, the filter net bag turns over to the second through-hole inside.

As a further scheme of the invention, the nozzles are fixedly mounted at the bottom end of the support plate, a plurality of nozzles are arranged, the nozzles are distributed in an annular array by taking the axis of the first through hole as an array center, the support plate is internally provided with branch channels, the branch channels are arranged in an annular shape, the nozzles are communicated with the branch channels, the top wall of the support plate is provided with a connecting port, the connecting port is communicated with the branch channels, and the connecting port is communicated with the oil inlet port through an oil conveying pipe.

As a further scheme of the invention, two sealing plates are arranged in the second through hole, the sealing plates are semicircular, opposite side walls of the two sealing plates movably abut against each other, a sliding groove is formed in the partition plate, the sealing plates are slidably mounted in the sliding groove, and a traction mechanism for driving the sealing plates to slide is arranged at the bottom end of the partition plate.

As a further scheme of the invention, the traction mechanism comprises a push column, the push column is fixedly mounted at the bottom end of the fixed disk, a first spring is fixedly mounted in the mounting groove, one end of the first spring is fixedly connected with the side wall of the mounting groove far away from the sealing plate, the other end of the first spring is fixedly connected with the sealing plate, a traction rope is fixedly connected with the side wall of the sealing plate close to the first spring, the traction rope penetrates through the first spring, and one end of the traction rope far away from the sealing plate is connected to the push column.

As a further scheme of the invention, the middle parts of the opposite side walls of the two sealing plates are provided with semicircular notches, and when the opposite side walls of the two sealing plates are abutted, the outer walls of the push posts are attached to the inner walls of the semicircular notches.

As a further scheme of the invention, an upper limiting plate is sleeved in the middle of the outer wall of the push column, a lower limiting plate is fixedly mounted at the bottom end of the push column, a sliding ring is slidably mounted on the push column, the sliding ring is arranged between the upper limiting plate and the lower limiting plate, and one end of the traction rope, which is far away from the sealing plate, is fixedly connected with the sliding ring.

As a further aspect of the present invention, when the opposite side walls of the two sealing plates abut against each other, the top wall of the upper limiting plate abuts against the bottom wall of the sealing plate.

As a further scheme of the invention, the bottom of the shell is funnel-shaped, the bottom end of the shell is provided with a connecting part, the bottom end of the connecting part is provided with an impurity barrel in a threaded manner, and the impurity barrel is communicated with an inner cavity of the shell.

As a further scheme of the invention, the bottom wall of the lower limiting plate is circular, the diameter of the bottom wall of the lower limiting plate is matched with the inner diameter of the impurity cylinder, and the top of the lower limiting plate is truncated cone-shaped.

As a further scheme of the invention, a top plate is slidably mounted at the bottom of an inner cavity of the impurity cylinder, a second spring is arranged at the bottom end of the top plate, the bottom end of the second spring is fixedly connected with the inner wall of the bottom of the impurity cylinder, and the top end of the second spring is fixedly connected with the bottom wall of the top plate.

As a further aspect of the present invention, the driving mechanism includes an air cylinder, the air cylinder is fixedly mounted at the top end of the housing, an output end of the air cylinder penetrates through a top wall of the housing, and an output end of the air cylinder is fixedly connected with a top wall of the fixed disk.

As a further aspect of the present invention, the supporting plate is in sliding fit with the housing, and when the output end of the air cylinder is fully extended, the bottom wall of the supporting plate is attached to the top wall of the partition plate.

Compared with the prior art, the invention has the beneficial effects that: according to the invention, fuel oil is input through the oil inlet interface, the fuel oil is sprayed out through the nozzle, then the fuel oil is conveyed to the upper part of the supporting plate after being filtered by the filter net bag, and the filtered fuel oil is output through the oil outlet interface.

Drawings

FIG. 1 is a schematic three-dimensional structure of the present invention;

FIG. 2 is a schematic three-dimensional structure of a support plate according to the present invention;

FIG. 3 is a schematic cross-sectional view of the present invention with the output end of the cylinder fully retracted;

FIG. 4 is a schematic cross-sectional view of the cylinder of the present invention with a portion of the output end of the cylinder extended;

FIG. 5 is a schematic cross-sectional view of the present invention with the output end of the cylinder fully extended;

FIG. 6 is an enlarged view of the structure at A of FIG. 3 according to the present invention;

FIG. 7 is an enlarged view of the structure at B of FIG. 3 according to the present invention;

FIG. 8 is a schematic structural view of a push rod and an upper limiting plate according to the present invention;

FIG. 9 is a schematic top view of the sealing plate of the present invention;

FIG. 10 is a three-dimensional structure of another perspective of the support plate of the present invention.

In the figure: 1. a housing; 101. an oil inlet interface; 102. an oil outlet interface; 103. a connecting portion; 2. a support plate; 201. a shunt; 3. a filter net bag; 4. a partition plate; 5. a nozzle; 6. a connection port; 7. an oil delivery pipe; 8. closing plates; 9. a cylinder; 10. pushing the column; 11. fixing the disc; 12. a first spring; 13. a hauling rope; 14. a slip ring; 15. a lower limiting plate; 16. an upper limiting plate; 17. a gasket; 18. an impurity cylinder; 19. a second spring; 20. and a top plate.

Detailed Description

Referring to fig. 1 to 6 and 10, in an embodiment of the present invention, a vertical fuel filter includes a housing 1, an oil inlet 101 disposed at a top of a sidewall of the housing 1, and an oil outlet 102 disposed at a top end of the housing 1, a support plate 2 is disposed in a middle portion of an inner cavity of the housing 1, a first through hole is formed in a middle portion of the support plate 2, a filter net bag 3 is disposed in the first through hole, an edge portion of an opening of the filter net bag 3 is fixedly connected to an inner wall of the first through hole, a partition plate 4 is disposed at a bottom end of the support plate 2, a second through hole is formed in the partition plate 4, a nozzle 5 is disposed between the support plate 2 and the partition plate 4, the nozzle 5 is communicated with the oil inlet 101, an oil outlet of the nozzle 5 faces the second through hole, a fixed disk 11 is fixedly mounted at an end of the filter net bag 3, a driving mechanism for driving the fixed disk 11 to move up and down relative to the housing 1 is disposed at a top end of the fixed disk 11, and when the fixed disk 11 moves below the second through hole, the filter net bag 3 is turned over to the inside of the second through hole.

During the specific use, input the fuel through oil feed interface 101, the fuel passes through nozzle 5 blowout, then carry to the top of backup pad 2 after filtering through filter net bag 3, the fuel after the export of rethread oil outlet interface 102 filters, after having adsorbed more impurity on filter net bag 3, through the relative casing 1 downstream of actuating mechanism drive fixed disk 11, thereby make filter net bag 3 turn over and move to in the second through-hole, nozzle 5's the oil outlet end of this moment towards filter net bag 3 oil spout, under the impact of fluid, adsorbed impurity is washed off on the filter net bag 3, and fall to the below of baffle 4, thereby realize getting off the impurity separation on the filter net bag 3, and separate the below at baffle 4 with impurity, need not dismantle the cleanness that can realize filter net bag 3 to casing 1, the cleaning process is comparatively convenient.

In this embodiment, preferably, the driving mechanism includes an air cylinder 9, the air cylinder 9 is fixedly mounted at the top end of the housing 1, an output end of the air cylinder 9 penetrates through a top wall of the housing 1, and an output end of the air cylinder 9 is fixedly connected with a top wall of the fixed disk 11; the fixed disk 11 can be driven to move up and down by the expansion of the output end of the air cylinder 9.

In this embodiment, it is preferred, 5 fixed mounting of nozzle in the bottom of backup pad 2, just nozzle 5 is provided with a plurality ofly, and is a plurality of nozzle 5 with the axle center of first through-hole is annular array distribution as the array center, subchannel 201 has been seted up in backup pad 2, subchannel 201 sets up to the annular, nozzle 5 with subchannel 201 is linked together, the roof of backup pad 2 is provided with connector 6, connector 6 with subchannel 201 is linked together, connector 6 through defeated oil pipe 7 with oil feed interface 101 is linked together.

During the specific use, the fuel passes through oil feed interface 101 input back, in 7 input connection mouth 6 of defeated oil pipe, and in 6 input subchannel 201 through the connector, in getting into a plurality of nozzles 5 after the reposition of redundant personnel of subchannel 201, and spout on filter net bag 3 through a plurality of nozzles 5, through the nozzle 5 that the annular array distributes, make 5 spun liquid stream shapes of nozzle be the annular, thereby can carry out the omnidirectional to filter net bag 3 and wash, further improved the washing effect.

Referring to fig. 3 to 9, in the embodiment of the present invention, two sealing plates 8 are disposed in the second through hole, the sealing plates 8 are configured to be semicircular, opposite side walls of the two sealing plates 8 movably abut against each other, a sliding slot is formed in the partition plate 4, the sealing plates 8 are slidably mounted in the sliding slot, and a traction mechanism for driving the sealing plates 8 to slide is disposed at a bottom end of the partition plate 4; the traction mechanism comprises a push column 10, the push column 10 is fixedly mounted at the bottom end of the fixed disc 11, a first spring 12 is fixedly mounted in the mounting groove, one end of the first spring 12 is fixedly connected with the side wall of the mounting groove far away from the sealing plate 8, the other end of the first spring 12 is fixedly connected with the sealing plate 8, a traction rope 13 is fixedly connected with the side wall of the sealing plate 8 close to the first spring 12, the traction rope 13 penetrates through the first spring 12, and one end of the traction rope 13 far away from the sealing plate 8 is connected to the push column 10; semicircular gaps are formed in the middle portions of the opposite side walls of the two sealing plates 8, and when the opposite side walls of the two sealing plates 8 are abutted, the outer walls of the push posts 10 are attached to the inner walls of the semicircular gaps.

When specifically using, in order to avoid the impurity that washes down to remove to the top of baffle 4 through the second through-hole, consequently, shrouding 8 has been set up, when the output of cylinder 9 drove and pushes away post 10 downstream, push away post 10 pulling haulage rope 13, make haulage rope 13 pulling shrouding 8, thereby make shrouding 8 remove gradually to the spout in, thereby make the second through-hole open, make in filter net bag 3 can get into the second through-hole, after filter net bag 3 shifts out the second through-hole, along with the rebound of pushing away post 10, haulage rope 13 relaxes gradually, under the elastic action of first spring 12, shrouding 8 is popped out the spout, make two relative lateral wall offsets of shrouding 8, and when two relative lateral wall offsets of shrouding 8, the outer wall laminating of pushing away post 10 is on semicircular notch's inner wall, thereby seal the second through-hole, the impurity of baffle 4 below when avoiding filtering flows to block up filter net bag 3 once more to the top of baffle 4.

In this embodiment, preferably, the middle part of the outer wall of the push post 10 is sleeved with an upper limiting plate 16, the bottom end of the push post 10 is fixedly provided with a lower limiting plate 15, the push post 10 is slidably provided with a sliding ring 14, the sliding ring 14 is arranged between the upper limiting plate 16 and the lower limiting plate 15, and one end of the traction rope 13, which is far away from the sealing plate 8, is fixedly connected with the sliding ring 14.

During the specific use, when the output of cylinder 9 just begins to stretch out, filter string bag 3 is deformation gradually, as shown in fig. 4, filter string bag 3 has not got into the second through-hole this moment, open the second through-hole so time, then the impurity of baffle 4 below may flow to the top of baffle 4, consequently, with the one end fixed connection of haulage rope 13 on sliding ring 14, when the output of cylinder 9 stretches out, the pillar 10 moves down, sliding ring 14 is close to upper limiting plate 16 gradually this moment, then with the contact of upper limiting plate 16, fixed disk 11 just moves to the below of first through-hole this moment, at this in-process, sliding ring 14 can not stimulate haulage rope 13, shrouding 8 can not slide, along with the continuation downstream of pillar 10, upper limiting plate 16 drives sliding ring 14 and moves down, thereby through sliding ring 14 pulling haulage rope 13, make two shrouding 8 separate gradually, thereby open the second through-hole, through the structure, reduced filter string bag 3 move down the open time of in-process second through-hole, just make filter string bag 3 just get into the baffle 8 when beginning to open second through-hole, just get out the baffle 4 before the through-hole of second filtration, just get close to the problem of second through-hole.

In this embodiment, preferably, when the two opposite side walls of the closing plate 8 are abutted, the top wall of the upper limiting plate 16 is abutted against the bottom wall of the closing plate 8; and a sealing gasket 17 is fixedly arranged on the top wall of the upper limiting plate 16.

During the specific use, in order to further improve the leakproofness between two shrouding 8, when the relative lateral wall of two shrouding 8 offsets, the roof of last spacing board 16 is laminated with the diapire of shrouding 8 mutually, thereby make last spacing board 16 can also seal two shrouding 8's junction, the possibility that the impurity that has further reduced 4 below baffles gets into 4 tops of baffles, can further improve the leakproofness between spacing board 16 and the shrouding 8 through sealed pad 17, and can play the cushioning effect when last spacing board 16 contacts with shrouding 8, avoid the striking to lead to the part to damage, and can avoid the noise.

Referring to fig. 3 to 9, in the embodiment of the present invention, the bottom of the housing 1 is funnel-shaped, the bottom end of the housing 1 is provided with a connecting portion 103, the bottom end of the connecting portion 103 is threadedly provided with an impurity cylinder 18, and the impurity cylinder 18 is communicated with the inner cavity of the housing 1; the bottom wall of the lower limiting plate 15 is circular, the diameter of the bottom wall of the lower limiting plate 15 is matched with the inner diameter of the impurity barrel 18, so that the outer wall of the lower limiting plate 15 is attached to the inner wall of the impurity barrel 18, a communicating hole is formed in the lower limiting plate 15, and the lower part and the upper part of the lower limiting plate 15 are communicated; the top of the lower limiting plate 15 is set to be in a circular truncated cone shape, and impurities can be prevented from being accumulated on the top wall of the lower limiting plate 15 through the circular truncated cone shape.

When specifically using, in order to avoid impurity to flow along with the liquid stream upwards, consequently, impurity barrel 18 has been set up, make impurity concentrate in impurity barrel 18, the impurity of casing 1 inner chamber bottom can slide to in impurity barrel 18 along the diapire of infundibulate, and promote gradually to the bottom of impurity barrel 18 inner chamber through the impetus of lower limiting plate 15, scrape down the adnexed impurity of impurity barrel 18 inner wall when lower limiting plate 15 moves down, thereby avoid impurity to be attached to on the inner wall of impurity barrel 18, thereby reduce the work load of follow-up clean impurity barrel 18.

In this embodiment, preferably, a top plate 20 is slidably mounted at the bottom of the inner cavity of the impurity cylinder 18, a second spring 19 is arranged at the bottom end of the top plate 20, the bottom end of the second spring 19 is fixedly connected with the inner wall of the bottom of the impurity cylinder 18, and the top end of the second spring 19 is fixedly connected with the bottom wall of the top plate 20.

During the specific use, get into the top that the impurity in the impurity section of thick bamboo 18 sinks to roof 20, when limiting plate 15 downshifts down, lower limiting plate 15 extrudees the impurity on the roof 20 after contacting with roof 20, thereby compress impurity, reduce the volume of impurity, improve the volume that impurity section of thick bamboo 18 held impurity, density increase when impurity volume reduces simultaneously, make impurity be difficult to in the come-up gets into casing 1, and can improve follow-up clear efficiency to impurity.

In this embodiment, preferably, the supporting plate 2 is in sliding fit with the housing 1, and when the output end of the air cylinder 9 is fully extended, the bottom wall of the supporting plate 2 is attached to the top wall of the partition plate 4.

When the filter net bag is used, in order to avoid impurities below the partition plate 4 from entering between the partition plate 4 and the support plate 2 when the filter net bag 3 is washed, the support plate 2 is installed in the shell 1 in a sliding mode, the sliding position is sealed relatively, when the output end of the air cylinder 9 extends out, the output end of the air cylinder 9 pushes the fixed disk 11 to move downwards, when the filter net bag 3 is turned downwards to the limit position, along with the downward movement of the fixed disk 11, the fixed disk 11 pulls the support plate 2 to slide downwards through the filter net bag 3, the bottom wall of the support plate 2 is in contact with the top wall of the partition plate 4, impurities cannot flow between the support plate 2 and the partition plate 4, when the output end of the air cylinder 9 contracts, the fixed disk 11 gradually turns the filter net bag 3 upwards to the limit position, along with the upward movement of the fixed disk 11, the fixed disk 11 pulls the support plate 2 upwards through the filter net bag 3, the support plate 2 is made to slide upwards, the support plate 2 is separated from the partition plate 4, and the support plate 2 is reset to continue to work.

The working principle of the invention is as follows: the fuel oil is input through the oil inlet interface 101, the fuel oil is input into the connector 6 through the oil pipeline 7, and is input into the branch channel 201 through the connector 6, and enters into the plurality of nozzles 5 after being divided by the branch channel 201, and is finally sprayed out through the nozzles 5, and is then conveyed to the upper part of the support plate 2 after being filtered by the filter net bag 3, and the filtered fuel oil is output through the oil outlet interface 102, after more impurities are adsorbed on the filter net bag 3, the fixed disk 11 is driven by the cylinder 9 to move downwards relative to the shell 1, so that the filter net bag 3 is turned over and moves into the second through hole, at the moment, the oil outlet end of the nozzle 5 sprays oil towards the filter net bag 3, and under the impact effect of the oil liquid, the impurities adsorbed on the filter net bag 3 are washed and fall to the lower part of the partition plate 4, so that the impurities on the filter net bag 3 are separated, and the impurities are separated under the partition plate 4; in order to avoid that the washed impurities move to the upper side of the partition plate 4 through the second through hole, the sealing plate 8 is arranged, when the output end of the air cylinder 9 drives the push column 10 to move downwards, the push column 10 pulls the traction rope 13, the traction rope 13 pulls the sealing plate 8, the sealing plate 8 gradually moves into the sliding groove, the second through hole is opened, the filter string bag 3 can enter the second through hole, after the filter string bag 3 moves out of the second through hole, the traction rope 13 gradually loosens along with the upward movement of the push column 10, the sealing plate 8 is popped out of the sliding groove under the elastic action of the first spring 12, opposite side walls of the two sealing plates 8 abut against each other, when the opposite side walls of the two sealing plates 8 abut against each other, the outer wall of the push column 10 abuts against the inner wall of the semicircular notch, so that the second through hole is sealed, and the impurities below the partition plate 4 during filtering are prevented from flowing to the upper side of the partition plate 4 to block the filter string bag 3 again; when the output end of the air cylinder 9 just begins to extend, the filter net bag 3 gradually deforms, as shown in fig. 4, at this time, the filter net bag 3 does not enter the second through hole, and thus the second through hole is opened, impurities below the partition plate 4 may flow to the position above the partition plate 4, so that one end of the traction rope 13 is fixedly connected to the slip ring 14, when the output end of the air cylinder 9 extends, the push post 10 moves downwards, at this time, the slip ring 14 gradually approaches the upper limiting plate 16 and then contacts with the upper limiting plate 16, at this time, the fixed plate 11 just moves to the position below the first through hole, in this process, the slip ring 14 cannot pull the traction rope 13, the seal plates 8 cannot slide, along with the continuous downward movement of the push post 10, the upper limiting plate 16 drives the slip ring 14 to move downwards, so that the traction rope 13 is pulled by the slip ring 14, the two seal plates 8 are gradually separated, the second through hole is opened, and by the above structure, the opening time of the second through hole in the downward movement process of the filter net bag 3 is reduced, so that the seal plate 8 just enters the partition plate 4 just before the partition plate 4 enters the partition plate; in order to further improve the sealing performance between the two sealing plates 8, when the opposite side walls of the two sealing plates 8 abut against each other, the top wall of the upper limiting plate 16 is attached to the bottom wall of the sealing plate 8, so that the upper limiting plate 16 can seal the joint of the two sealing plates 8, the possibility that impurities below the partition plate 4 enter the upper part of the partition plate 4 is further reduced, and the sealing performance between the upper limiting plate 16 and the sealing plates 8 can be further improved through the sealing gasket 17; in order to avoid the impurities from flowing upwards along with the liquid flow, the impurity cylinder 18 is arranged to enable the impurities to be concentrated in the impurity cylinder 18, the impurities at the bottom of the inner cavity of the shell 1 can slide into the impurity cylinder 18 along the funnel-shaped bottom wall and can be gradually pushed to the bottom of the inner cavity of the impurity cylinder 18 through the pushing action of the lower limiting plate 15, and the impurities attached to the inner wall of the impurity cylinder 18 are scraped when the lower limiting plate 15 moves downwards, so that the impurities are prevented from being attached to the inner wall of the impurity cylinder 18; impurities entering the impurity cylinder 18 sink to the top end of the top plate 20, when the lower limiting plate 15 moves downwards, the lower limiting plate 15 is in contact with the top plate 20 and then extrudes the impurities on the top plate 20, so that the impurities are compressed, the volume of the impurities is reduced, the amount of the impurities contained in the impurity cylinder 18 is increased, and meanwhile, the density is increased while the volume of the impurities is reduced, so that the impurities are not easy to float upwards to enter the shell 1; in order to avoid impurities below the partition plate 4 from entering between the partition plate 4 and the support plate 2 when the filter net bag 3 is washed, the support plate 2 is slidably mounted in the shell 1, the sliding position is relatively sealed, when the output end of the air cylinder 9 extends out, the output end of the air cylinder 9 pushes the fixed disk 11 to move downwards, when the filter net bag 3 turns downwards to the limit position, the fixed disk 11 moves downwards along with the continuation of the fixed disk 11, the fixed disk 11 pulls the support plate 2 to slide downwards through the filter net bag 3, the bottom wall of the support plate 2 is in contact with the top wall of the partition plate 4, impurities cannot flow between the support plate 2 and the partition plate 4, when the output end of the air cylinder 9 contracts, the fixed disk 11 gradually turns the filter net bag 3 upwards to the limit position, and along with the continuation of the fixed disk 11 moves upwards, the fixed disk 11 pulls the support plate 2 upwards through the filter net bag 3, so that the support plate 2 slides upwards, and the support plate 2 is separated from the partition plate 4.

Claims

1. The utility model provides a vertical fuel filter, includes the casing, sets up at the oil feed interface at casing lateral wall top and sets up the interface that produces oil on the casing top, its characterized in that: the improved filter screen comprises a shell, and is characterized in that a supporting plate is arranged in the middle of an inner cavity of the shell, a first through hole is formed in the middle of the supporting plate, a filter screen bag is arranged in the first through hole, the edge of an opening of the filter screen bag is fixedly connected with the inner wall of the first through hole, a partition plate is arranged at the bottom end of the supporting plate, a second through hole is formed in the partition plate, a nozzle is arranged between the supporting plate and the partition plate, the nozzle is communicated with an oil inlet interface, the liquid outlet end of the nozzle is arranged towards the second through hole, a fixing disc is fixedly arranged at the end of the filter screen bag, a driving mechanism used for driving the fixing disc to move up and down relative to the shell is arranged at the top end of the fixing disc, and the filter screen bag is turned over and folded into the second through hole when the fixing disc moves to the lower side of the second through hole.

2. A vertical fuel filter according to claim 1, wherein: the nozzle fixed mounting in the bottom of backup pad, just the nozzle is provided with a plurality ofly, and is a plurality of the nozzle with the axle center of first through-hole is annular array and distributes for the array center, the subchannel has been seted up in the backup pad, the subchannel sets up to the annular, the nozzle with the subchannel is linked together, the roof of backup pad is provided with the connector, the connector with the subchannel is linked together, the connector through defeated oil pipe with the oil feed interface is linked together.

3. A vertical fuel filter according to claim 2, wherein: two sealing plates are arranged in the second through hole, the sealing plates are semicircular, opposite side walls of the two sealing plates movably abut against each other, a sliding groove is formed in the partition plate, the sealing plates are slidably mounted in the sliding groove, and a traction mechanism for driving the sealing plates to slide is arranged at the bottom end of the partition plate.

4. A vertical fuel filter according to claim 3, wherein: traction mechanism is including pushing away the post, push away post fixed mounting in the bottom of fixed disk, fixed mounting has first spring in the mounting groove, the one end of first spring with the lateral wall fixed connection of shrouding is kept away from to the mounting groove, the other end of first spring with shrouding fixed connection, the shrouding is close to the lateral wall fixedly connected with haulage rope of first spring, the haulage rope runs through first spring, just the one end that the shrouding was kept away from to the haulage rope is connected push away on the post.

5. A vertical fuel filter according to claim 4, wherein: semicircular gaps are formed in the middle portions of the opposite side walls of the two sealing plates, and when the opposite side walls of the two sealing plates are abutted, the outer walls of the push posts are attached to the inner walls of the semicircular gaps.

6. A vertical fuel filter according to claim 4, wherein: the middle part cover of post outer wall is equipped with and goes up the limiting plate, the bottom fixed mounting of post has the limiting plate down, slidable mounting has the sliding ring on the post, the sliding ring sets up go up the limiting plate with between the limiting plate down, the one end that the shrouding was kept away from to the haulage rope with sliding ring fixed connection.

7. A vertical fuel filter according to claim 6, wherein: when the opposite side walls of the two sealing plates are abutted, the top wall of the upper limiting plate is attached to the bottom wall of the sealing plate.

8. A vertical fuel filter according to claim 6, wherein: the bottom of casing sets up to the infundibulate, just the bottom of casing is provided with connecting portion, the impurity section of thick bamboo is installed to the bottom screw thread of connecting portion, the impurity section of thick bamboo with the inner chamber of casing is linked together.

9. A vertical fuel filter according to claim 8, wherein: the bottom wall of the lower limiting plate is circular, the diameter of the bottom wall of the lower limiting plate is matched with the inner diameter of the impurity cylinder, and the top of the lower limiting plate is circular truncated cone.

10. A vertical fuel filter according to claim 8, wherein: the bottom slidable mounting of impurity section of thick bamboo inner chamber has the roof, the bottom of roof is provided with the second spring, the bottom of second spring with the bottom inner wall fixed connection of impurity section of thick bamboo, the top of second spring with the diapire fixed connection of roof.