CN208320110U - Hydrodynamic force self-cleaning filter - Google Patents
Hydrodynamic force self-cleaning filter Download PDFInfo
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- CN208320110U CN208320110U CN201820629769.3U CN201820629769U CN208320110U CN 208320110 U CN208320110 U CN 208320110U CN 201820629769 U CN201820629769 U CN 201820629769U CN 208320110 U CN208320110 U CN 208320110U
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- water
- filter screen
- diversion pipe
- shell
- sewage draining
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Abstract
The utility model discloses a kind of hydrodynamic force self-cleaning filter, shell including both ends sealing and it is installed in the filter screen that in shell and both ends are connected to shell both ends respectively；One end of shell is equipped with water inlet, the other end is equipped with sewage draining exit, and the side wall or either end of shell are equipped with water outlet, and water inlet and sewage draining exit are respectively positioned on the inside of filter screen；It is docked equipped with one end with sewage draining exit rotation on the inside of filter screen, the diversion pipe of other end sealing, water conservancy diversion inside pipe wall is equipped with towards identical at least one set of turbine blade, water conservancy diversion pipe outer wall is equipped at least one water suction component, component one end and filter screen inner wall far from diversion pipe absorb water with gap and offers more than one water sucking mouth towards filter screen thereon, wherein, along outflow direction of the water flow in diversion pipe, water flow at least flow through wherein one group of turbine blade to drive diversion pipe to rotate.Its simple and ingenious structure, manufacturing cost is low, is not required to energy-saving electricity environmental protection, failure rate is low, long service life.
Description
Technical field
The utility model relates to filter technology field more particularly to a kind of hydrodynamic force self-cleaning filters.
Background technique
As shown in Figure 1, existing backwash filter includes motor 1a, shell 2a, filter device 3a and backwashes conduit 5a,
It is respectively equipped with filtering water outlet 4a and water inlet 7a in the upper and lower part of filling shell 2a, is equipped in the bottom end of shell 2a anti-
Rinse water outlet 6a.Filter device 3a is mounted on the top in shell 2a, is equipped with rotation below filter device 3a
Back washing flow guiding tube 5a, back washing flow guiding tube 5a are generally ψ shape structure (upper end of two bifurcated pipe and the lower end of central tube
Perforation), central shaft (pipe) is rotatably supported in the lower end of filter device 3a, and by transmission shaft (longitudinally through filter device 3a
Center) output axis connection with the motor 1a on top；The backwash of the upper end of two bifurcated pipes of back washing flow guiding tube 5a into
Corresponding (this cross the mouth of a river circumferentially have multiple), backwash of crossing the mouth of a river that the mouth of a river and the lower end filter device 3a be circumferential
The lower port of diversion pipe 5a is docked with the backwash water outlet 6a of the bottom end shell 2a rotation.
In normal work, motor 1a is inoperative, and water flow enters from water inlet 7a, from out after filter device 3a filtering
Mouth of a river 4a outflow, completes filtering；It is working after a certain period of time, is having accumulated sundries in filter device 3a, plug filter device 3a,
It needs to backwash filter device 3a, to remove sundries.Start motor 1a, carry backwash diversion pipe 5a rotation, when anti-at this time
When the bifurcated pipe upper port for rinsing diversion pipe 5a is opposite with the mouth of a river excessively of the lower end filter device 3a, part water flow is discharged from backwash
Mouth 6a outflow, sundries is taken out of, backwash purpose is reached.
But above-mentioned backwash filter, which has the disadvantage in that, needs to be arranged power device (motor 1a and transmission shaft), not only
Increase cost, structure is complicated, it is also necessary to which extra power is especially used in power free occasion, very inconvenient.
Utility model content
The utility model provides a kind of hydrodynamic force self-cleaning filter to solve above-mentioned technical problem, and structure is simply skilful
Wonderful, manufacturing cost is low, does not need energy-saving electricity environmental protection, failure rate is low, long service life.
In order to solve the above technical problems, the utility model provides a kind of hydrodynamic force self-cleaning filter, comprising: both ends sealing
Shell and be installed in the filter screen that in the shell and both ends are connected to the shell both ends respectively；One end of the shell is set
There are water inlet, the other end to be equipped with sewage draining exit, the side wall or either end of the shell are equipped with water outlet, the water inlet and the row
Dirty mouth is respectively positioned on the inside of the filter screen；The filter screen inside is docked equipped with one end with sewage draining exit rotation, the other end is close
The diversion pipe of envelope, the water conservancy diversion inside pipe wall are equipped with towards identical at least one set of turbine blade, and the water conservancy diversion pipe outer wall is equipped with extremely
A few water suction component, the water suction component one end and the filter screen inner wall far from the diversion pipe are with gap and thereon
More than one is offered towards the water sucking mouth of the filter screen, wherein along outflow direction of the water flow in the diversion pipe, water
Flow to flow through less wherein turbine blade described in one group to drive the diversion pipe to rotate.
Further, a fixing axle is connected at the center of the shell both ends, the flow-directing shroud is set to the fixing axle
Outside and the connection for passing through bearing and the fixed sealing, rotation.
Further, the fixing axle is located at the part in the diversion pipe and is equipped with and the turbine blade on the diversion pipe
The opposite at least one set of turbine blade of direction, also, the turbine blade on the diversion pipe and the water wheels leaf in the fixing axle
It is arranged alternatively up and down between piece group and group.
Further, the outflow direction along water flow in the diversion pipe, water flow flow through on all diversion pipes
Turbine blade in turbine blade and/or all fixing axle.
Further, the filter screen is columned filter screen.
Further, the water suction component is connected to the diversion pipe including one and extends towards the filter screen direction
The first suction hose and from the described one end of first suction hose far from the diversion pipe along the diversion pipe axial direction extend
It is formed with the second suction hose that there is gap with the filter screen inner wall, the water sucking mouth is set to second suction hose.
Further, the water sucking mouth is that the strip gap extended along the length direction of second suction hose absorbs water
Mouthful；The maximum height of second suction hose is equal with the height of the filter screen.
Further, the water suction component is set as two, and two water suction components are symmetrically distributed in the diversion pipe
Two sides.
Further, the sewage draining exit and the water outlet are respectively arranged with a differential pressure pickup interface, and a pressure difference passes
Sensor is connected to the differential pressure pickup interface of differential pressure pickup interface and the water outlet at the sewage draining exit, described
The solenoid valve or manually that sewage draining exit opening and closing is controlled according to the result of differential pressure pickup detection is installed at sewage draining exit
Valve；Alternatively, installing one automatically controls the mechanical valve for pressure difference of the sewage draining exit opening and closing directly at the sewage draining exit.
Further, the filter screen is the filter screen of laser boring, and the filter screen inner wall smooth, mesh is filtering
The mesh for the taper hole structure that net medial aperture is small, outside aperture is big.
The hydrodynamic force self-cleaning filter of the utility model, has the following beneficial effects:
When the mesh of filter screen by impurity block to a certain degree when, the pressure difference between filter screen inner and outer increases,
Sewage draining exit is opened, water suction tone is drawn through strainer and suck-back impurity is discharged through diversion pipe from sewage draining exit from filter screen；Also, work as water
When stream enters diversion pipe by suck-back, turbine blade and then driving diversion pipe rotation in water impact diversion pipe, thus to filter screen
Entire inner wall complete cleaning, and then its simple and ingenious structure, manufacturing cost is low, does not need energy-saving electricity environmental protection, and failure rate is low,
Long service life.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of prior art backwash filter.
Fig. 2 is the structural schematic diagram of the utility model hydrodynamic force self-cleaning filter.
Fig. 3 is the arrangement perspective view of turbine blade in hydrodynamic force self-cleaning filter shown in Fig. 2.
Specific embodiment
The utility model is described in detail with embodiment with reference to the accompanying drawing.
Referring to Fig. 2, the utility model provides a kind of hydrodynamic force self-cleaning filter.The hydrodynamic force self-cleaning filter packet
It includes: shell 11, filter screen 12 and diversion pipe 13.
Specifically, the both ends of the shell 11 seal.Filter screen 12 is installed in shell 11 and its both ends is connected to respectively
The both ends of shell 11 are to prevent water stream is filtered from just flowing out.Preferably, filter screen 12 is irremovable relative to shell 11, mainly
It can not move up and down and move left and right relative to shell 11 including filter screen 12.For example, shell 11 can be both ends open
Shell 11, top and bottom end passes through top cover 114 respectively and bottom cover 115 is provide with sealing can be in top cover 114 and bottom cover 115
On boss 116 is respectively set, 12 both ends of filter screen are set in the boss 116.The filter screen 12 is preferably Cylindrical filter
Net, so that hereinafter the clearance constant between 12 inner wall of water sucking mouth and filter screen in water suction component is so that cleaning impurity
The effect of it is more reliable and more stable.Correspondingly, cylindrical boss can be set by each boss 116.
One end of shell 11 is equipped with water inlet 111, the other end is equipped with the either end of sewage draining exit 113, side wall or shell 11
Equipped with water outlet 112, water inlet 111 and sewage draining exit 113 are respectively positioned on 12 inside of filter screen.Citing can be as shown in Figure 1, water inlet
111 are set to the top of shell 11, and sewage draining exit 113 is set to the bottom end of shell 11, and water outlet 112 is set to the side of shell 11
Wall.It is of course also possible to the filter is integrally inverted, at this point, the both ends of shell 11 are specifically that top and bottom end are changed,
Not changing the position of water inlet, the water outlet and sewage draining exit filter at this time also can be used normally.
Diversion pipe 13 is equipped on the inside of filter screen 12.The rotation of 13 one end of diversion pipe and sewage draining exit 113 is docked, diversion pipe 13 it is another
One end is sealed to prevent water to be directly entered diversion pipe 13.
13 inner wall of diversion pipe is equipped with towards identical at least one set of turbine blade 153.13 outer wall of diversion pipe is equipped at least one
A water suction component, absorb water one end far from diversion pipe 13 of component and 12 inner wall of filter screen there is gap and offer thereon one with
On towards the water sucking mouth of filter screen 12.
Along outflow direction of the water flow in diversion pipe 13, water flow at least flow through wherein one group of turbine blade 153 with drive
Diversion pipe 13 rotates.
Wherein, under situation as shown in Figure 1, in multiple communicating positions of water suction component and diversion pipe 13, at least most
The communicating position of eminence is at least above the position of wherein one group of turbine blade 153, so that suck-back enters the water in diversion pipe 13
Stream can flow through turbine blade 153 and push turbine blade 153 that diversion pipe 13 is driven to rotate.In another embodiment, when
When filter shown in FIG. 1 is inverted, at this point, the communicating position of at least lowest point is at least below wherein one group of turbine blade 153
Position so that the water flow that suck-back enters in diversion pipe 13 can flow through turbine blade 153 and push turbine blade 153 drive
Diversion pipe 13 rotates.Its working principle is that it is similar, it no longer describes repeatedly herein.Preferably, water flow flows into water conservancy diversion from top to bottom
Pipe 13.
In one embodiment, water suction component includes first suction hose 131 extended towards 12 direction of filter screen, the
One suction hose 131 can extend from 13 straight line of diversion pipe or curve.First one end of suction hose 131 far from diversion pipe 13
Extended to form the second suction hose 132 along the axial direction of diversion pipe 13, certainly, 131 both ends of the first suction hose respectively with lead
Flow tube 13 and the second suction hose 132 are interconnected.Second suction hose 132 and 12 inner wall of filter screen have gap, and absorb water
Mouth is set on the second suction hose 132.Wherein, the gap of the second suction hose 132 and 12 inner wall of filter screen should not be arranged excessive, tool
Body is neither to influence the rotation of diversion pipe 13, and subject to not influencing the impurity that water sucking mouth suck-back is attached on filter screen 12 etc..
Water sucking mouth can also can be at certain angle of inclination setting with filter screen 12 with face filter screen 12.Water sucking mouth is preferably and filtering
Net 12 is arranged in tangent line.
Preferably, the maximum height of the second suction hose 132 is suitable with the height of filter screen 12, including be slightly larger than, be equal to and
It is slightly less than.The entire altitude range that filter screen 12 can disposably be covered can be to entire filter screen by the rotation of diversion pipe 13
12 complete cleaning, when especially such first suction hose 131 and the second suction hose 132 thereon are set as multiple, or even not
Diversion pipe 13 is needed to rotate a circle, so that it may complete the cleaning to entire filter screen 12.In addition, the water suction that ought be staggered up and down
When component is set as two or more, when each second suction hose, 132 upright projection is to filter screen 12, each second suction hose 132 is total
Height is suitable with the height of filter screen 12.When the situation is allowed in each second suction hose, 132 upright projection to filter screen 12, each the
The shade of two suction hoses 132, which exists, to partially overlap or is not overlapped just.
In a preferred embodiment, water sucking mouth is that the strip gap extended along the length direction of the second suction hose 132 is inhaled
The mouth of a river can once cover a region of filter screen 12, and combine the rotation of diversion pipe 13, and then to 12 all standing of filter screen
In order to which suck-back cleans impurity.Certainly, in other embodiments, water sucking mouth is multiple spaced water sucking mouths, is inhaled along second
The length direction of water pipe 132 can set water sucking mouth to a column or more, when two neighboring water sucking mouth spacing is sufficiently small, almost
It is consistent with the water sucking mouth role of strip gap.It is of course also possible to water sucking mouth is divided into two column or more and is staggered up and down,
It substantially can be consistent with the water sucking mouth role of strip gap.
In a preferred embodiment, it can set more than two for water suction component.Preferably, two are set as, this two
A water suction component is symmetrically distributed in the two sides of diversion pipe 13, can be improved the stability of the rotation of diversion pipe 13, and diversion pipe 13
Rotation is primary, by thereon there is water sucking mouth can carry out suck-back cleaning or same to different zones in same swing circle
Region carries out suck-back twice and cleans, and improves the efficiency of suck-back cleaning.Certainly, multiple water suction components also can be set in diversion pipe 13
Different height.Preferably, multiple water suction components can improve the rotation of diversion pipe 13 along the arrangement of the radians such as axial direction of diversion pipe 13
The stability turned.
The working principle of the hydrodynamic force self-cleaning filter is briefly described below:
When normal filtration, water water inlet 111 above filter enters 12 inside of filter screen, and water exosmoses from filter screen 12 is past
Water outlet 112 is flowed into out, and impurity is intercepted by filter screen 12.And with the increase of impurity level, in filter screen 12 and outside filter screen 12
Between pressure difference will increase, when reaching the pressure difference of setting, open sewage draining exit 113, since pressure is low in diversion pipe 13, inhale
The mouth of a river, which can kiss, is drawn through strainer 12, blocks the impurity of 12 mesh of filter screen and by suck-back enters diversion pipe 13 and finally as water flow is from row
Dirty mouth 113 is discharged；Also, when water flow enters (for example, shown in FIG. 1 fall from the top to the bottom) from diversion pipe 13, water flow
It impacts the turbine blade 153 in diversion pipe 13 and then diversion pipe 13 is driven to rotate, so that the entire inner wall to filter screen 12 is completed
Cleaning, the process are suitable for the scene of not power supply using hydrodynamic force without using power energy-saving environmental protection completely.
In one embodiment, a fixing axle 151 is connected at the both ends center of shell 11, diversion pipe 13 is sheathed on solid
The connection for dead axle 151 outside and sealing, rotate by bearing 152 and fixing axle 151.13 one end of diversion pipe by with sewage draining exit
113 rotation connections, the other end are rotated more reliable and more stable by being rotatablely connected with fixing axle 151 by bearing 152.
Preferably, in conjunction with Fig. 2 and Fig. 3 refering to, can fixing axle 151 be located at the part in diversion pipe 13 setting at least one
Group turbine blade 154, and the turbine blade 154 in the fixing axle 151 and the turbine blade 153 on diversion pipe 13 are towards opposite.
Preferably, 154 groups of turbine blade on turbine blade 153 and fixing axle 151 on diversion pipe 13 set alternatively up and down between group
It sets, in this way when water flow flows from above to below, the potential energy of water flow can be more converted to the kinetic energy of diversion pipe 13, so that water conservancy diversion
The rotation of pipe 13 is more reliable and more stable.Wherein, for example, it can such as be installed by way of welding in fixing axle 151 by elder generation
Turbine blade 154, then cover and connect diversion pipe 13, wherein multiple groove body (not shown) are opened up on diversion pipe 13, by turbine blade
153 are inserted into from groove body and pass through the modes such as such as welding and the fixed installation for completing fixing axle 151 and diversion pipe 13 of diversion pipe 13.
Preferably, the outflow direction along water flow in the diversion pipe, water flow flows through the water on all diversion pipes
Turbine blade in impeller blade and/or all fixing axle.In one embodiment, under situation as shown in Figure 1,
Component absorb water with multiple communicating positions of diversion pipe 13, the communicating position of highest point can be set above the one of highest point
Turbine blade 153 on group diversion pipe 13 and/or the turbine blade 154 in one group of fixing axle 151 of highest point, and then can be more
Add the kinetic energy that the potential energy of water flow is fully converted to diversion pipe 13.In another embodiment, when by filtering shown in FIG. 1
When device is inverted, at this point, the communicating position of lowest point can also be set below to the water wheels on one group of diversion pipe 13 of lowest point
Turbine blade 154 in one group of fixing axle 151 of blade 153 and/or lowest point, its working principle is that it is similar, herein also not
It describes repeatedly again.
In one embodiment, it is respectively arranged with a differential pressure pickup interface 16 at sewage draining exit 113 and water outlet 112,
One differential pressure pickup is connected to the differential pressure pickup at differential pressure pickup interface 16 and water outlet 112 at sewage draining exit 113
Interface 16.Be installed at sewage draining exit 113 according to differential pressure pickup detection result control of sewage disposal mouth 113 be opened and closed solenoid valve or
Hand-operated valve.Wherein, using when solenoid valve, it can be achieved that timing, level pressure is poor, integrated flow is come control of sewage disposal.It, can when using hand-operated valve
Any blowdown is manually controlled, electricity consumption is not needed, can also be easy to use in not electric place, failure rate is extremely low, and equipment life is long,
Cost is very low.
In a preferred embodiment, device has mechanical valve for pressure difference at sewage draining exit 113, and mechanical valve for pressure difference is detecting sewage draining exit
It when pressure is greater than the threshold value of setting at 113, automatically controls sewage draining exit 113 and is opened and closed, so that entire filter, which may not need, to disappear
Consuming electric power energy conservation and environmental protection, and high degree of automation, and mechanical valve for pressure difference is at low cost, failure rate is low and long service life.Separately
Outside, long using the reliable and stable service life so that entire filter is fully mechanical structure.
In a preferred embodiment, filter screen 12 is the filter screen 12 of laser boring, 12 inner wall smooth of filter screen, mesh
For the mesh of the taper hole structure that inner wall aperture is small, outer wall aperture is big of filter screen 12.12 inner wall smooth of filter screen enables to water conservancy diversion
The rotation of pipe 13 is more smooth, it is not easy to stuck.The mesh of filter screen 12 is set as the taper hole knot that medial aperture is small, outside aperture is big
Structure, impurity are not easy stuck at mesh, more easily can go out impurity by suck-back.
Under a citing usage scenario, the water inlet 111 of the filter can be connect with the discharge outlet of rain penetration pipe.?
Under one citing usage scenario, which can bury uses in ground end.
The hydrodynamic force self-cleaning filter of the utility model, has the following beneficial effects:
When the mesh of filter screen 12 by impurity block to a certain degree when, the pressure difference between 12 inner and outer of filter screen increases
Greatly, open sewage draining exit 113, water suction tone be drawn through strainer 12 and from suck-back impurity on filter screen 12 through diversion pipe 13 from sewage draining exit
113 discharges；Turbine blade 153 and then driving also, when water flow enters diversion pipe 13 by suck-back, in water impact diversion pipe 13
Diversion pipe 13 rotates, to complete cleaning, and then its simple and ingenious structure to the entire inner wall of filter screen 12, manufacturing cost is low,
Energy-saving electricity environmental protection is not needed, failure rate is low, long service life.
The above is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all benefits
The equivalent structure or equivalent flow shift made by the utility model specification and accompanying drawing content, is applied directly or indirectly in it
His relevant technical field, is also included in the patent protection scope of the utility model.
Claims (10)
1. a kind of hydrodynamic force self-cleaning filter characterized by comprising
The shell of both ends sealing and it is installed in the filter screen that in the shell and both ends are connected to the shell both ends respectively；
One end of the shell is equipped with water inlet, the other end is equipped with sewage draining exit, and the side wall or either end of the shell are equipped with water outlet
Mouthful, the water inlet and the sewage draining exit are respectively positioned on the inside of the filter screen；
It is docked equipped with one end with sewage draining exit rotation on the inside of the filter screen, the diversion pipe of other end sealing, the diversion pipe
Inner wall is equipped with towards identical at least one set of turbine blade, and the water conservancy diversion pipe outer wall is equipped at least one water suction component, the suction
The one end of water assembly far from the diversion pipe and the filter screen inner wall have gap and offer more than one thereon towards institute
State the water sucking mouth of filter screen, wherein along outflow direction of the water flow in the diversion pipe, water flow at least flows through wherein one group of institute
Turbine blade is stated to drive the diversion pipe to rotate.
2. hydrodynamic force self-cleaning filter according to claim 1, it is characterised in that:
A fixing axle is connected at the center of the shell both ends, the flow-directing shroud is set on the outside of the fixing axle and passes through bearing
With the connection of the fixed sealing, rotation.
3. hydrodynamic force self-cleaning filter according to claim 2, it is characterised in that:
The fixing axle is located at the part in the diversion pipe equipped with opposite extremely with the turbine blade direction on the diversion pipe
Few one group of turbine blade, also, between the turbine blade group and group on the turbine blade and the fixing axle on the diversion pipe
It is arranged alternatively up and down.
4. hydrodynamic force self-cleaning filter according to claim 3, it is characterised in that:
Along outflow direction of the water flow in the diversion pipe, water flow flow through turbine blade on all diversion pipes and/or
All turbine blades in the fixing axle.
5. hydrodynamic force self-cleaning filter according to claim 1, it is characterised in that:
The filter screen is columned filter screen.
6. hydrodynamic force self-cleaning filter according to claim 1, it is characterised in that:
The water suction component includes first suction hose for being connected to the diversion pipe and extending towards the filter screen direction
With from the described one end of first suction hose far from the diversion pipe along the axial direction of the diversion pipe extended to form with it is described
Filter screen inner wall has second suction hose in gap, and the water sucking mouth is set to second suction hose.
7. hydrodynamic force self-cleaning filter according to claim 6, it is characterised in that:
The water sucking mouth is along the strip gap water sucking mouth that the length direction of second suction hose extends；
The maximum height of second suction hose is equal with the height of the filter screen.
8. hydrodynamic force self-cleaning filter according to claim 1, it is characterised in that:
The water suction component is set as two, and two water suction components are symmetrically distributed in the two sides of the diversion pipe.
9. hydrodynamic force self-cleaning filter according to claim 1, it is characterised in that:
The sewage draining exit and the water outlet are respectively arranged with a differential pressure pickup interface, and a differential pressure pickup is connected to
The differential pressure pickup interface of differential pressure pickup interface and the water outlet at the sewage draining exit is installed at the sewage draining exit
The solenoid valve or hand-operated valve of the sewage draining exit opening and closing are controlled according to the result that the differential pressure pickup detects；
Alternatively, installing one automatically controls the mechanical valve for pressure difference of the sewage draining exit opening and closing directly at the sewage draining exit.
10. hydrodynamic force self-cleaning filter according to claim 1, it is characterised in that:
The filter screen be laser boring filter screen, the filter screen inner wall smooth, mesh be filter screen medial aperture it is small,
The mesh of the big taper hole structure in outside aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820629769.3U CN208320110U (en) | 2018-04-28 | 2018-04-28 | Hydrodynamic force self-cleaning filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820629769.3U CN208320110U (en) | 2018-04-28 | 2018-04-28 | Hydrodynamic force self-cleaning filter |
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| Publication Number | Publication Date |
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| CN208320110U true CN208320110U (en) | 2019-01-04 |
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| CN201820629769.3U Active CN208320110U (en) | 2018-04-28 | 2018-04-28 | Hydrodynamic force self-cleaning filter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108404482A (en) * | 2018-04-28 | 2018-08-17 | 深圳市绿洲彩虹机电科技有限公司 | Hydrodynamic force self-cleaning filter |
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2018
- 2018-04-28 CN CN201820629769.3U patent/CN208320110U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108404482A (en) * | 2018-04-28 | 2018-08-17 | 深圳市绿洲彩虹机电科技有限公司 | Hydrodynamic force self-cleaning filter |
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