CN201516309U

CN201516309U - Automatic fluid filtering return backwashing mechanism

Info

Publication number: CN201516309U
Application number: CN2009203116428U
Authority: CN
Inventors: 郑业; 郑鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-09-28
Filing date: 2009-09-28
Publication date: 2010-06-30
Anticipated expiration: 2019-09-28

Abstract

The utility model discloses an automatic fluid filtering return backwashing mechanism, which is characterized in that a hollow shaft sleeve (12) is arranged inside a fluid conversion chamber (2),blades and a baffle board are connected with the hollow shaft sleeve (12), an opening is arranged on the lower portion of the baffle board of the hollow shaft sleeve, a hollow mandrel (13) with an upward opening is arranged inside the hollow shaft sleeve (12), and through holes (14) are distributed on the wall of the hollow mandrel (13). The automatic fluid filtering return backwashing mechanism comprises inclined guide through holes which can thoroughly employs combined force of return backwash resulting from forward flowing of fluid and fluid flowing through the inclined through holes in order to quicken the revolving frequency of a converter. The converter can work more stably because of the supporting rotation of the mandrel and the arrangement of counterbalancing weights, thereby ensuring safety and reliable running of the whole system, and greatly increasing automatic filtering effect.

Description

The reflow backwashing mechanism of automatic filtration of fluid

Technical field:

The utility model relates to automatic filtration of fluid loop backwash structure,, relate in particular to the loop backwash automatic fitration mechanism of the empty filter of car and boat power, machine filter, fuel strainer as the automatic fitration loop backwash purification of air, water etc.

Background technology

The filtering flow of known technology has a large capacity and a wide range; it all is the common filter of obstruction type; owing to there is not backwashing function; therefore filter is stifled more more; work a period of time fluid just cannot get through; just need to shut down replacing or change filter core, this working method has been difficult to be competent in the power in modern times or the filtration duty on the machine.Traditional automatic filter with dynamoelectric signal control backwashing function costs an arm and a leg because of installing complexity, makes the diesel engine as middle low power of One's name is legion think usefulness, but considers cost performance, has to again abandon adopt.The applicant has invented " automatic purifying energy-saving filter " in 2007 at the problems referred to above, and application for a patent for invention number is 200710066624.3.Basically satisfied diesel engine fuel oil automatic fitration needs, used through test in recent years, found that intrinsic change of current structure remains in deficiency, change of current body rotating speed is not high, and stability is not enough, and the scope of application is also just mentioned diesel engine fuel oil automatic fitration, and limitation is arranged.Because change of current body rotation does not have mandrel to rely on, during rotation and periphery bump, moment of friction is big, does not utilize backflow backwash power, has influenced the stability of change of current body speed and work.

Summary of the invention:

In order to solve the problem that prior art exists, the technical problem that the utility model solved is can adapt to various automatic filtration of fluid requirements in order to provide a kind of, the filtering accuracy particle is less than 5 microns, can utilize fluid forward and recoil energy of flow, and working stability is reliable, the automatic fitration structure that service efficiency is higher.In order to reach described purpose, the utility model adopts following technical scheme to realize: the reflow backwashing mechanism of this kind automatic filtration of fluid, include the upper shell and the lower house that are installed together, described upper shell includes fluid intake, bypass outlet, be provided with a upper spacer in described upper shell and the lower house, described dividing plate is provided with guide through hole, described guide through hole is communicated with the inner chamber of going up lower house, has a fluid change of current chamber in the described upper shell, this fluid change of current is indoor to have a rotary blade and a baffle plate, at least be provided with two filter cores in the described lower house, the upper shed of described filter core is corresponding with the through hole of upper spacer, be provided with a lower clapboard in the described lower house, described lower clapboard is provided with the sump oil through hole, described sump oil through hole is corresponding with the under shed of filter core, it is characterized in that the indoor hollow shaft sleeve that is provided with of the described fluid change of current, described blade and baffle plate are connected with hollow shaft sleeve, described hollow shaft sleeve is provided with an opening in the position of its baffle plate bottom, be provided with the hollow core shaft that opening makes progress in the described hollow shaft sleeve, be distributed with through hole on the axial wall of described hollow core shaft, described hollow core shaft is installed on the upper spacer.

The through hole of described upper spacer is divided into two sections, and interconnects, and its epimere through hole is with respect to the oblique setting of hypomere through hole, the direction basically identical that the indoor fluid of the direction that it is tiltedly established and the change of current flows.

Described hollow shaft sleeve is provided with a balance, and this balance weight is sleeved on the hollow core shaft, and this balance can make change of current body bottom periphery its bottom surface when rotating can be close to oil film on the upper spacer.

Described filter core core frame is provided with overlapping up and down around wire outward, has the slit of passing through for fluid between described each wire.

The tangential direction setting of described fluid intake in the housing.

Compared with prior art, the beneficial effects of the utility model are: change of current body of the present utility model has some uniform blades, and the guide through hole with angle is set on upper spacer, can make full use of the fluid forward flow fluid and from the guide through hole of tiltedly establishing come out and the backflow backwash impulse force that produces.This impulse force can make fluid and blade rotation direction produce one with joint efforts, and the speed of change of current body is accelerated.And blade and baffle plate, have not had blade and the baffle plate frictional force to inner walls, thereby have made whole system operation safe and reliable so rotation is more stable because there is mandrel to rely on rotation, have improved the automatic fitration effect greatly.In addition, the oil-feed direction of oil-in is improved in the present shell wall from the top of change of current body tangentially is provided with, the tangential direction of housing just, make fluid when fuel feed hole enters, produce the impulsive force of a maximum apart from blade is rotated, and the rotation that makes change of current body has obtained maximum energy of flow, thereby improved speed and the job stability and the reliability of change of current body greatly, and obtained positive effect.

Description of drawings: Fig. 1 is the utility model structural representation;

Fig. 2 is a dividing plate guide through hole structure enlarged drawing.

The specific embodiment:

Accompanying drawing has been represented structure of the present utility model and embodiment, further describe the relevant details of embodiment below in conjunction with accompanying drawing: the reflow backwashing mechanism of 1 one kinds of automatic filtration of fluid of accompanying drawing, include the upper shell 17 and the lower house 18 that are installed together, has a fluid change of current chamber 2 in the described upper shell 17, has a rotary blade 11 in this fluid change of current chamber 2, baffle plate 10 and hollow shaft sleeve 12, described blade 11 and baffle plate 10 connect as one with hollow shaft sleeve 12, be called change of current body, described upper shell 17 includes bypass outlet 15 and the tangential fluid intake 1 that is provided with, because inlet 1 tangentially is provided with, the tangential impulse force of fuel oil can produce maximum twist moment, impact blade 11, be provided with a upper spacer 4 in described upper shell 17 and the lower house 18, described upper spacer 4 is provided with guide through

hole

3,25, described guide through

hole

3,25 are communicated with the inner chamber of going up lower house, described guide through

hole

3,25 are divided into two sections, and interconnect, its epimere through hole is with respect to the oblique setting of hypomere through hole, the direction basically identical that the indoor fluid of the direction that it is tiltedly established and the change of current flows.This guide through hole 3; 25 can make the fuel oil that pumps in oil-feed to filter core 7; be unlikely to the impact core wall at 8 o'clock; and can form flow-reversing impingement power owing to tiltedly establish the cause of through hole during to 2 oil returns of fluid change of current chamber at filter core; make blade 11 and baffle plate 10 slewings rotation; thereby make fuel oil in fluid change of current chamber 2, produce a revolving force; blade 11 in fluid change of current chamber 2 is driven by fuel oil and slewing rotates to the right side; rotate to the left side again from the right side during one week; to fixed left and right sides filter core 7; 8; just in time finished the effect of forward filter from inside to outside and backwash mesh from outside to inside; make particle or impurity in the fuel oil be difficult for stopping at mesh; under the effect of gravity, sink gradually; be provided with the hollow core shaft 13 that opening makes progress in the described hollow shaft sleeve 12; be distributed with through hole 14 on the axial wall of described hollow core shaft bottom; described hollow shaft sleeve is provided with an opening 9 in the position of baffle plate bottom; be provided with two filter cores 7 in the described lower house 18; 8; the upper shed of described each filter core is corresponding with upper spacer 4 guide through hole separately; described hollow core shaft 13 is connected on the upper spacer 4; be provided with a lower clapboard 6 in the described lower house 18; described lower clapboard 6 is provided with sump oil through hole 19; described sump oil through hole 19 is corresponding with the under shed of filter core; the bottom of described lower clapboard is provided with sump oil chamber 20; the granule foreign that sinks can enter sump oil chamber 20 by sump oil through hole 19; there is sealing breast board 23 the sump oil chamber; the general is not ganged up the pairing sump oil of filter core chamber separately mutually; and sealing breast board 23 bottoms are provided with mudhole 21; there is thimble 22 to seal; when needing blowdown; magnetic valve 26 actions move downward thimble; sewage draining exit 21 is opened sump oil and is discharged from exporting 24; as gas is filtered; then the sump oil chamber is changed into dust bag just can, operation principle is identical with fluid.Described filter core core frame is provided with overlapping up and down around wire outward, has the slit of passing through for fluid between described each wire.So not only can increase the structural strength of filter core, but also particle or dirt can be stayed in the filter core,, reach good filter effect to sinking to the sump oil chamber.Change of current body rotating speed is relevant with pump power, and is also relevant with the material of change of current body, upper spacer and hollow core shaft, and material can be selected the material of satisfactory change of current body rotating speed.If need very high change of current body rotating speed, balance 5 can also be selected bearing.

When delivery pump tangentially pumps into fuel oil by fluid intake 1, fluid meeting tangential impact blade, make the blade rotation, thereby make the change of current body in the change of current chamber 2 do directed rotation, at this moment, after fuel oil enters right filter core 7 filtrations by the right guide through hole 3 on the upper spacer 4, except that part supplies the diesel combustion by oil out port 16, all the other fuel oils directly enter left filter core 8, filter screen to left filter core 8 carries out backwash, the fuel oil that enters in the left filter core 8 enters change of current intracoelomic cavity in the fluid change of current chamber 2 through left side guide through hole 25, at this moment fuel oil can directed impact blade 11 and the through hole 14 by hollow core shaft 13 leads to delivery pump by oil return interface 15, merge with the diesel oil that comes out from fuel tank, pump into interface 1 by delivery pump again, so circulation.

Claims

1. the reflow backwashing mechanism of an automatic filtration of fluid, include the upper shell (17) and the lower house (18) that are installed together, described upper shell includes fluid intake (1), bypass outlet (15), be provided with a upper spacer (4) in described upper shell (17) and the lower house (18), described upper spacer (4) is provided with guide through hole (3,25), described guide through hole (3,25) inner chamber of lower house in the connection, has a fluid change of current chamber (2) in the described upper shell (17), have a rotary blade (11) and baffle plate (10) in this fluid change of current chamber (2), at least be provided with two filter cores (7 in the described lower house (18), 8), the upper shed of described filter core is corresponding with the through hole of upper spacer (4), be provided with a lower clapboard (6) in the described lower house (18), described lower clapboard (6) is provided with sump oil through hole (19), described sump oil through hole (19) is corresponding with the under shed of filter core, it is characterized in that being provided with in the described fluid change of current chamber (2) hollow shaft sleeve (12), described blade (11) and baffle plate (10) are connected with hollow shaft sleeve (12), described hollow shaft sleeve (12) is provided with an opening in the position of its baffle plate bottom, be provided with the hollow core shaft (13) that opening makes progress in the described hollow shaft sleeve (12), be distributed with through hole (14) on the axial wall of described hollow core shaft (13), described hollow core shaft (13) is installed on the upper spacer (4).

2. the reflow backwashing mechanism of a kind of automatic filtration of fluid as claimed in claim 1, the guide through hole that it is characterized in that described upper spacer (4) is divided into two sections, and interconnect, the epimere through hole of its dividing plate is with respect to the oblique setting of hypomere through hole, the direction basically identical that the indoor fluid of the direction that it is tiltedly established and the change of current flows.

3. the reflow backwashing mechanism of a kind of automatic filtration of fluid as claimed in claim 1 or 2 is characterized in that described hollow shaft sleeve (12) is provided with a balance (5), and this balance weight is sleeved on the hollow core shaft (13).

4. the reflow backwashing mechanism of a kind of automatic filtration of fluid as claimed in claim 1 or 2, it is overlapping up and down around wire to it is characterized in that described filter core core frame is provided with outward, has the slit of passing through for fluid between described each wire.

5. the reflow backwashing mechanism of a kind of automatic filtration of fluid as claimed in claim 1 or 2 is characterized in that described fluid intake tangentially is provided with in the housing shell wall.

6. the reflow backwashing mechanism of a kind of automatic filtration of fluid as claimed in claim 3, it is overlapping up and down around wire to it is characterized in that described filter core core frame is provided with outward, has the slit of passing through for fluid between described each wire.

7. the reflow backwashing mechanism of a kind of automatic filtration of fluid as claimed in claim 3 is characterized in that described fluid intake (1) tangentially is provided with in the housing shell wall.

8. the reflow backwashing mechanism of a kind of automatic filtration of fluid as claimed in claim 6 is characterized in that described fluid intake (1) tangentially is provided with in the housing shell wall.