CN108798955A

CN108798955A - A kind of full-automatic clean fuel filter arrangement of automobile

Info

Publication number: CN108798955A
Application number: CN201810787827.XA
Authority: CN
Inventors: 杨柳清
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-07-18
Filing date: 2018-07-18
Publication date: 2018-11-13

Abstract

The invention discloses a kind of full-automatic clean fuel filter arrangements of automobile, including Upper Lid of Filter, filter case, filter core and block valve body, the filter case top connects Upper Lid of Filter, Upper Lid of Filter top middle portion is equipped with motor, the drive shaft of motor and rotation axis connection are connected with cleaning brush on rotary shaft side wall；The present invention is when filter core blocks, dirty intracavitary fuel oil pushes valve core valve stem by mudhole and piston moves downward, piston press spring, spring squeezes Piezoelectric switches, Piezoelectric switches are closed when reaching setting pressure, and the power supply circuit of motor is connected, and cleaning brush is by the dirt removal on filter core inner wall, sediment slot is discharged from mudhole with fuel oil in dirt, and is discharged from scum pipe；After filter core cleans, when can filter, the pressure of dirt collection intracavitary reduces, and under spring force effect, valve core reset blocks mudhole, and Piezoelectric switches disconnect, and motor break-off is easy to operate, automatically cleans blowdown.

Description

A kind of full-automatic clean fuel filter arrangement of automobile

Technical field

The present invention relates to automobile filter technical fields, more specifically, it relates to which a kind of automobile is automatically clean Fuel filter arrangement.

Background technology

Currently, existing fuel filter, fuel filter is mounted on entrance or the exit of oil transfer pump, for filtering out The impurity contained in fuel oil makes the fuel oil for being supplied to engine more clean, and optimizes combustion characteristics and promotes engine life.Combustion Oil rectifier includes shell, cover board, and vessel is equipped between shell and cover board, and refill is equipped in vessel.Fuel filter Include the shell equipped with inner cavity, the interior intracavitary of the oil inlet pipe be connected with shell inner cavity, flowline, shell is equipped with element kit, filter Core assembly includes refill, refill upper cover, refill pedestal, and refill is fastened between refill upper cover and refill pedestal, refill and paper It is respectively formed sealing between core upper cover, refill pedestal, is connected with oil duct equipped with oil duct, flowline in refill, it is corresponding on filter element upper cover Oil duct position is equipped with through-hole, and fuel oil enters inner cavity from oil inlet pipe, is flowed out successively through oil duct, through-hole, flowline after paper element filtering.

Filter is easy to block after long-term use, and current filter does not have the dirt that automatic cleaning is attached on filter core Object and the function that dirt is discharged automatically, cause the service life of filter to substantially reduce, increase its use cost, influence Filter effect needs further to be improved.

Invention content

In view of the deficiencies of the prior art, the present invention intends to provide a kind of automobile automatically clean fuel oil Filter device, to solve the problems mentioned in the above background technology.

To achieve the above object, the present invention provides the following technical solutions：

A kind of automobile automatically clean fuel filter arrangement, including Upper Lid of Filter, filter case, filter core and closure Valve body, the filter case top connect Upper Lid of Filter, and Upper Lid of Filter top middle portion is equipped with motor, and outside motor is set There is a motor cover, the drive shaft of motor is connected on rotary shaft side wall by the rotation axis connection inside shaft coupling and Upper Lid of Filter There is cleaning brush, guide shell is arranged in the rotary shaft, guide shell is fixed on Upper Lid of Filter bottom, guide shell inside and water conservancy diversion Oil inlet cover connection inside cylinder, oil inlet cover side connects oil fuel tube；Filter core is installed in filter box body below upper spacer, is filtered Core bottom is fixed under protrusion in the card slot of end-plate, and filter core is internally provided with dirt collection chamber, is set as between filter core and filter case Collection chamber.

As a further solution of the present invention, the screw thread mouth on the filter case top is threadedly coupled Upper Lid of Filter, Upper Lid of Filter side is equipped with several anti-skidding convex ribs.

As a further solution of the present invention, the filter case top is internally provided with upper spacer, is set in the middle part of upper spacer There is through hole, after filter case is screwed with Upper Lid of Filter to be connect, guide shell bottom end, which offsets and sealed with upper spacer, to be connected, It is connected to the through hole in the middle part of upper spacer inside guide shell.

As a further solution of the present invention, filter core structure annular in shape, filter core are internally provided with filter material, dirt collection chamber with it is upper Through hole is connected in the middle part of partition board, and collection chamber is connected to the oil exit pipe of filter box body side surface.

As a further solution of the present invention, it is equipped with mudhole in the middle part of the lower end-plate of the protrusion, it is recessed below mudhole Spool is equipped in slot, spool is fixed on the top of valve rod, and the bottom end of valve rod connects piston, and piston is slidably arranged in closure valve body It is interior, it blocks body base and is equipped with Piezoelectric switches, spring is installed in the plugging valve body between Piezoelectric switches and piston；The piezoelectricity is opened Pass is connected on the power supply circuit of motor.

As a further solution of the present invention, the lower end-plate bottom of the protrusion connects seal closure, the connection of seal closure bottom Blowdown limit base, blowdown limit base are fixed on filter case bottom inner portion, are set in the filter box body below blowdown limit base For sediment slot, filter case bottom end connects scum pipe, and scum pipe is connected to sediment slot.

As a further solution of the present invention, the closure valve body is mounted in seal closure, and the sediment slot passes through blowdown Hole is connected to dirt collection chamber.

In conclusion the present invention has the advantages that compared with prior art：

For the present invention when filter core blocks, dirty intracavitary fuel oil pushes valve core valve stem by mudhole and piston moves downward, and piston squeezes Pressing spring, spring squeeze Piezoelectric switches, and Piezoelectric switches are closed when reaching setting pressure, and the power supply circuit of motor is connected, motor Drive shaft drives rotary shaft and cleaning brush rotation, and cleaning brush is by the dirt removal on filter core inner wall, and dirt is with fuel oil from mudhole Sediment slot is discharged, and is discharged from scum pipe；After filter core cleans, when can filter, the pressure of dirt collection intracavitary reduces, in spring Elastic force effect under, valve core reset block mudhole, Piezoelectric switches disconnect, motor break-off, then by after filter element filtering from row Oil pipe exports, easy to operate, automatically cleans blowdown.

More clearly to illustrate the structure feature and effect of the present invention, come below in conjunction with the accompanying drawings to this hair with specific embodiment It is bright to be described in detail.

Description of the drawings

Fig. 1 is the structural diagram of the present invention.

Fig. 2 is the structural schematic diagram of plugging valve in the present invention.

Fig. 3 is the structural schematic diagram of Upper Lid of Filter in the present invention.

Reference numeral：1- motor covers, 2- motors, 3- drive shafts, 4- oil inlets cover, 5- Upper Lid of Filter, 6- oil fuel tubes, 7- are anti- Sliding convex ribs, 8- screw thread mouths, 9- filter cases, 10- collection chambers, 11- filter cores, 12- upper spacers, 13- guide shells, 14- cleaning brush, End-plate, 20- spools, 21- valve rods, 22- live under 15- rotary shafts, 16- dirt collections chamber, 17- filter materials, 18- mudholes, 19- protrusions Plug, 23- block valve body, 24- springs, 25- Piezoelectric switches, 26- seal closures, 27- blowdowns limit base, 28- scum pipes, 29- sediments Slot.

Specific implementation mode

The following further describes the technical solution of the present invention in the following with reference to the drawings and specific embodiments.

Referring to Fig. 1-3, a kind of automobile automatically clean fuel filter arrangement, including Upper Lid of Filter 5, filter Shell 9, filter core 11 and closure valve body 23, the screw thread mouth 8 on 9 top of the filter case are threadedly coupled Upper Lid of Filter 5, filtering 5 top middle portion of device upper cover is equipped with motor 2, and 2 outside of motor is equipped with motor cover 1, and the drive shaft 3 of motor 2 passes through shaft coupling and filter Rotary shaft 15 inside clear device upper cover 5 connects, and is connected with cleaning brush 14 on 15 side wall of rotary shaft, is arranged in the rotary shaft 15 Guide shell 13, guide shell 13 are fixed on 5 bottom of Upper Lid of Filter, and 13 inside of guide shell connects with the oil inlet cover 4 inside guide shell 13 Logical, 4 side of oil inlet cover connects oil fuel tube 6, and fuel oil injects 4 internal cavities of oil inlet cover by oil fuel tube 6, then along guide shell 13 to Lower discharge.

In order to enhance the non-skid property of Upper Lid of Filter 5, in the present embodiment, 5 side of Upper Lid of Filter is equipped with Several anti-skidding convex ribs 7, to enhance the non-skid property of Upper Lid of Filter 5.

9 top of the filter case is internally provided with upper spacer 12, and 12 middle part of upper spacer is equipped with through hole, works as filter box Body 9 is screwed with Upper Lid of Filter 5 connect after, 13 bottom end of guide shell, which offsets and seals with upper spacer 12, to be connected, inside guide shell 13 It is connected to the through hole at 12 middle part of upper spacer, is convenient for the water conservancy diversion of fuel oil.

Filter core 11 is installed, 11 structure annular in shape of filter core, in filter core 11 in the filter case 9 of the lower section of the upper spacer 12 Portion is equipped with filter material 17, and 11 bottom of the filter core is fixed under protrusion in the card slot of end-plate 19, and filter core 11 is internally provided with dirt collection chamber 16, dirt collection chamber 16 is connected with 12 middle part through hole of upper spacer, and collection chamber 10 is set as between filter core 11 and filter case 9, collection Oil pocket 10 is connected to the oil exit pipe of 9 side of filter case, convenient for the output of fuel oil after filtering.

Lower 19 middle part of end-plate of the protrusion is equipped with mudhole 18, and spool 20, valve are equipped in the groove of 18 lower section of mudhole Core 20 is fixed on the top of valve rod 21, and the bottom end of valve rod 21 connects piston 22, and piston 22, which is slidably arranged in, to be blocked in valve body 23, envelope Stifled 23 bottom of valve body is equipped with Piezoelectric switches 25, and spring 24 is installed in the closure valve body 23 between Piezoelectric switches 25 and piston 22；Institute Piezoelectric switches 25 are stated to be connected on the power supply circuit of motor 2.

Lower 19 bottom of end-plate of the protrusion connects seal closure 26, and 26 bottom of seal closure connects blowdown limit base 27, blowdown Limit base 27 is fixed on 9 bottom inner portion of filter case, and sediment slot is set as in the filter case 9 of 27 lower section of blowdown limit base 29,9 bottom end of filter case connects scum pipe 28, and scum pipe 28 is connected to sediment slot 29.

The closure valve body 23 is mounted in seal closure 26, and the sediment slot 29 is connected by mudhole 18 and dirt collection chamber 16 It is logical.

When filter core 11 blocks after a period of use, the pressure in dirt collection chamber 16 increases, fuel oil in dirt collection chamber 16 20 valve rod 21 of spool and piston 22 is pushed to move downward by mudhole 18, piston 22 squeezes spring 24, and spring 24 squeezes piezoelectricity Switch 25, Piezoelectric switches 25 are closed when reaching setting pressure, and the power supply circuit of motor 2 is connected, at this point, 3 band of drive shaft of motor 2 Dynamic rotary shaft 15 and cleaning brush 14 rotate, and cleaning brush 14 is by the dirt removal on 11 inner wall of filter core, and dirt is with fuel oil from mudhole 18 discharge sediment slots 29, and be discharged from scum pipe 28.

After filter core 11 cleans, when can filter, the pressure in dirt collection chamber 16 reduces, under the effect of 24 elastic force of spring, Spool 20, which resets, blocks mudhole 18, and Piezoelectric switches 25 disconnect, 2 break-off of motor, from oil extraction after then being filtered by filter core 11 Pipe exports, easy to operate, automatically cleans blowdown.

The technical principle that the present invention is described above in association with specific embodiment, is only the preferred embodiment of the present invention.This The protection domain of invention is not limited merely to above-described embodiment, and all technical solutions belonged under thinking of the present invention belong to the present invention Protection domain.Those skilled in the art would not require any inventive effort the other specific realities that can associate the present invention Mode is applied, these modes are fallen within protection scope of the present invention.

Claims

1. a kind of automobile automatically clean fuel filter arrangement, including Upper Lid of Filter (5), filter case (9), filter Core (11) and closure valve body (23), which is characterized in that filter case (9) the top connection Upper Lid of Filter (5), filter Upper cover (5) top middle portion is equipped with motor (2), is equipped with motor cover (1) outside motor (2), the drive shaft (3) of motor (2) passes through The shaft coupling rotary shaft (15) internal with Upper Lid of Filter (5) is connect, and cleaning brush (14), institute are connected on rotary shaft (15) side wall It states and is arranged with guide shell (13) in rotary shaft (15), guide shell (13) is fixed on Upper Lid of Filter (5) bottom, and guide shell (13) is interior Portion's oil inlet cover (4) internal with guide shell (13) is connected to, and oil inlet cover (4) side connects oil fuel tube (6)；Below upper spacer (12) Filter core (11) is installed in filter case (9), filter core (11) bottom is fixed in the card slot of end-plate under protrusion (19), filter core (11) it is internally provided with dirt collection chamber (16), collection chamber (10) is set as between filter core (11) and filter case (9).

2. a kind of full-automatic clean fuel filter arrangement of automobile according to claim 1, which is characterized in that described The screw thread mouth (8) on filter case (9) top is threadedly coupled Upper Lid of Filter (5), and Upper Lid of Filter (5) side is equipped with several anti- Sliding convex ribs (7).

3. a kind of full-automatic clean fuel filter arrangement of automobile according to claim 2, which is characterized in that described Filter case (9) top is internally provided with upper spacer (12), through hole is equipped in the middle part of upper spacer (12), when filter case (9) It is screwed with Upper Lid of Filter (5) after connecting, guide shell (13) bottom end, which offsets and seals with upper spacer (12), to be connected, guide shell (13) Inside is connected to the through hole in the middle part of upper spacer (12).

4. a kind of full-automatic clean fuel filter arrangement of automobile according to claim 3, which is characterized in that described Filter core (11) structure annular in shape, filter core (11) are internally provided with filter material (17), dirt collection chamber (16) and through hole in the middle part of upper spacer (12) It is connected, collection chamber (10) is connected to the oil exit pipe of filter case (9) side.

5. a kind of full-automatic clean fuel filter arrangement of automobile according to claim 4, which is characterized in that described It is equipped with mudhole (18) in the middle part of the lower end-plate (19) of protrusion, spool (20), spool are equipped in the groove below mudhole (18) (20) it is fixed on the top of valve rod (21), the bottom end connection piston (22) of valve rod (21), piston (22) is slidably arranged in plugging valve In body (23), blocks valve body (23) bottom and be equipped with Piezoelectric switches (25), the plugging valve between Piezoelectric switches (25) and piston (22) Installation spring (24) in body (23)；The Piezoelectric switches (25) are connected on the power supply circuit of motor (2).

6. a kind of full-automatic clean fuel filter arrangement of automobile according to claim 5, which is characterized in that described Lower end-plate (19) bottom connection seal closure (26) of protrusion, seal closure (26) bottom connect blowdown limit base (27), blowdown limit Seat (27) is fixed on filter case (9) bottom inner portion, and sediment is set as in the filter case (9) below blowdown limit base (27) Slot (29), filter case (9) bottom end connect scum pipe (28), and scum pipe (28) is connected to sediment slot (29).

7. a kind of full-automatic clean fuel filter arrangement of automobile according to claim 6, which is characterized in that described It blocks valve body (23) to be mounted in seal closure (26), the sediment slot (29) is connected to by mudhole (18) with dirt collection chamber (16).