CN106362460B - The detachable rotary filter of modified and its method for filtering fluid - Google Patents
The detachable rotary filter of modified and its method for filtering fluid Download PDFInfo
- Publication number
- CN106362460B CN106362460B CN201610901083.0A CN201610901083A CN106362460B CN 106362460 B CN106362460 B CN 106362460B CN 201610901083 A CN201610901083 A CN 201610901083A CN 106362460 B CN106362460 B CN 106362460B
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- cylinder
- filter
- coupling head
- filter core
- centre bore
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- 239000012530 fluid Substances 0.000 title claims abstract description 18
- 238000001914 filtration Methods 0.000 title claims abstract description 11
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000008878 coupling Effects 0.000 claims abstract description 66
- 238000010168 coupling process Methods 0.000 claims abstract description 66
- 238000005859 coupling reaction Methods 0.000 claims abstract description 66
- 239000000463 material Substances 0.000 claims abstract description 13
- 239000000446 fuel Substances 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000011664 signaling Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
- B01D35/147—Bypass or safety valves
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The present invention relates to a kind of detachable rotary filters of modified, including filter housing, coupling head, filter core and by-passing valve, a gasket is equipped between the coupling head and filter housing, the section of the coupling head is T-shaped, including being set to the first cylinder of top and set on the second cylinder of lower section, the outer diameter of first cylinder is greater than the outer diameter of the second cylinder, the center of the coupling head is equipped with a centre bore, the middle and lower part of centre bore is equipped with the by-passing valve, first cylinder is vertically equipped with several fuel feed holes, the fuel feed hole is set to the outside surrounding of centre bore, the transverse direction of second cylinder is equipped with several through-holes, the through-hole is communicated with centre bore, second cylinder extends to the middle and lower part of filter housing, the filter core includes filter material and end cap, the center of the filter core is equipped with an inner hole, and it is set on the second cylinder by the inner hole.Using the above structure, installation and removal are convenient.The invention also discloses the method for the rotation filter filtering fluid, overcurrent effect is good.
Description
Technical field
The invention belongs to art of filters, are about a kind of detachable rotary filter of modified and its mistake specifically
The method for filtering fluid.
Background technique
Rotary filter is grown up nineteen seventies using filter paper as the filter kind of filter material, rotary filter
Clear device is compact-sized, light-weight, and using reliable, maintenance is convenient, is widely used in engine and hydraulic system.According to existing
There is data incomplete statistics, it is more than 90% that rotary filter is used in automobile engine, and spinning is used on engineering machinery engine
Filter is also above 80%.
But rotary filter also has apparent defect, as shown in Figure 1, rotary filter generally includes sealing ring 1, threaded cap
Plate 2, filter housing 3, filter core 4 and spring 5, the filter core 4 include inner frame 42, by-passing valve 43, filter material 41 and end cap 44, these zero
Part is all to connect into an entirety by riveting, welding, cementing mode.When filter core 4 blocks, rotary filter must integrally more
It changes, is replaced the other components that originally can be continued to use in addition to filter material 41 also, cause greatly to waste, meanwhile, filter housing 3
Interior federation remains the medium filtered, pollutes the environment after discarded.
To solve the above-mentioned problems, Chinese patent CN2051117442U discloses a kind of detachable rotary filter, including
Filter housing 10, gasket 11, coupling head 12 and the filter core 13 set on 12 lower section of coupling head, the gasket 11 are crushed on coupling head 12
Between filter housing 10, coupling head 12 and filter housing 10 are connected through a screw thread, and are equipped with several fuel feed holes 14, center in the coupling head 12
It is then equipped with a centre bore 15, the two sides of the centre bore 15 are respectively provided with a counterbore 16, and two counterbores 16 are symmetrical arranged and and centre bore
15 communicate, and a by-passing valve 20 are equipped in the counterbore 16, the filter core 13 includes end cap 131 and filter material 132, and passes through end cap
Screw thread on 131 is connect with coupling head 12, and the center of the filter core 13 is equipped with an inner hole 133, and an inner frame 17 is arranged in connection
In first 12 centre bore 15 and the inner hole 133 of filter core 13.However there are the following problems for the patent:
1, its installation and removal is inconvenient, when filter element replacing, needs first to back out filter core 13 from coupling head 12, if interior
When having pollutant on skeleton 17, it is also necessary to remove inner frame 17 and clean;When installation, need inner frame 17 being inserted into connection
First 12 centre bore 15, then filter core 13 is entangled into inner frame 17, and will be on the screw thread and coupling head 12 on the end cap of filter core 13 131
Screw thread tighten, it is complicated entirely to mount and dismount process;
2, since by-passing valve is arranged in the counterbore 16 of coupling head 12, cause the volume of by-passing valve less than normal, overcurrent effect is not
Enough ideals.
Therefore, it is necessary to design, a kind of overcurrent effect is good, mounts and dismounts convenient rotary filter.
Summary of the invention
The object of the present invention is to provide a kind of detachable rotary filters of modified, to solve existing rotary filter installation
Inconvenient problem.
To achieve the above object, the invention adopts the following technical scheme:
A kind of detachable rotary filter of modified, including filter housing, coupling head, filter core and by-passing valve, the coupling head and
A gasket is equipped between filter housing, coupling head and filter housing, which pass through, is threadedly engaged connection,
The section of the coupling head is T-shaped, described including being set to the first cylinder of top and set on the second cylinder of lower section
The outer diameter of first cylinder is greater than the outer diameter of the second cylinder, and the center of the coupling head is equipped with a centre bore, in the centre bore
Lower part is equipped with the by-passing valve, and first cylinder is vertically equipped with several fuel feed holes, and the fuel feed hole is set to centre bore
Outside surrounding, be provided with several through-holes in the transverse direction of second cylinder, and the through-hole is communicated with the centre bore of coupling head,
Second cylinder of the coupling head extends to the middle and lower part of filter housing, and the filter core includes filter material and end cap, and the center of the filter core is set
There is an inner hole, and is set on the second cylinder of the coupling head by the inner hole.
According to the present invention, the by-passing valve includes the spring base being successively arranged from top to bottom, spring, valve deck and valve seat, institute
It states spring and valve deck is pressed in the centre bore of coupling head by valve seat and spring base, the valve seat is equipped with two or more buckles,
The buckle of the valve seat is fastened and connected with the through-hole on the second cylinder, and the inner wall of second cylinder is equipped with a limiting section,
The spring base under active force, is resisted against on the limiting section of the second cylinder in spring.
Further, the cross section of the through-hole on second cylinder is rectangular, is connected convenient for fixing with the buckle on valve seat
It connects.
Further, the limiting section is the annular boss of the inside bending formation of inner wall of the second cylinder.
Preferably, the buckle of the valve seat and the through-hole of the bottom of the second cylinder are fastened and connected
According to the present invention, it is respectively provided with an O-ring above and below the filter core, is tightly connected by O-ring, filter core
Top is set on the second cylinder, is set on valve seat below filter core.
According to the present invention, the end cap of the filter core and filter material are by being bonded, and filter core made of bonding is non-disconnectable
The overall structure divided.
According to the present invention, the bottom of the filter housing is equipped with a detector.
Further, the detector is pressure gauge or signalling generator.
A method of fluid being filtered using rotary filter of the present invention, is included the following steps:
Fluid enters the cavity between filter housing and filter core from the fuel feed hole of coupling head, after filter element filtering, passes through coupling head
The second cylinder on through-hole enter in the centre bore of coupling head, then again from centre bore flow out.
Further, when filter core blocks, and the intracorporal pressure of chamber reaches the maximum pressure value of spring receiving, in valve deck pressure-bearing
Row and compressed spring are opened so that valve deck and valve seat abut the sealing surface formed, and fluid flows into the centre bore of coupling head, reaches
The function of bypass.
The detachable rotary filter of modified of the invention, the beneficial effect is that:
1, its is ingenious in design, both economically and environmentally beneficial: changing that traditional rotary filter is non-dismountable and then integral replacing
Drawback, the detachable rotary filter of modified is due to detachable, and filter core blocking only needs to change filter core when safeguarding, other parts are not required to
Replacement, reduces use cost, and the recycling moreover, the part scrapped can all classify is both economically and environmentally beneficial.
2, coupling head acts as the skeleton of filter core, and filter core itself does not have skeleton, and without being individually arranged again inside filter core
Inner frame, when installation, it is only necessary to filter core is set in coupling head, when replacement, also only needs directly to remove filter core,
So that filter core installation and removal are convenient;Simultaneously as coupling head is reusable, conventional bowl skeleton also can be avoided with filter
The mode that core is replaced together, therefore also have huge economic benefit.
3, the rotary filter of comparable size, by-passing valve filter area of the invention are existing single by-passing valve areas
4 times, oil flow resistance when this can greatly improve bypass flow and reduce bypass, so that filter effect when bypass of fluid
It greatly improves.
4, the processing and fabricating of modified coupling head is simpler, and materials more save, and entire cost is existing 50% or so.Specifically
Be embodied in: modified rotary filter is changed into bypass valve position in coupling head centre bore, is utilized in filter well
Some spaces avoid the drawbacks of existing rotary filter thickeies coupling head top due to by-passing valve, keep coupling head smaller
Ingeniously, it reduces the size of entire rotary filter also, saves space and save material, there is good economic benefit.
5, the by-passing valve assembly of modified rotary filter is simpler, and use is more reliable;
6, modified filter core upper and lower ends lid is the same, than the existing all simple material-saving of end cap up and down, existing filter core it is upper
End cap has screw thread, and processing is complicated, at high cost, and the entire cost of manufacture of modified filter core saves 30% or so than prototype filter core;
7, the setting of detector precisely prompting changing filter core, breakthrough engine can lean on the fuzzy control of mileage and time
Method is conducive to the good operating condition for ensureing engine.
8, since the model of rotary filter is many and diverse, the rotary filter that detachable structure can allow outer dimension to be closer to
The unified filter core using same specification, can greatly reduce the specification kind of filter core, be conducive to unified filter core model and professional standard.
Detailed description of the invention
Fig. 1 is the cross-sectional view of existing rotary filter;
Fig. 2 is the cross-sectional view of existing detachable rotary filter;
Fig. 3 is the cross-sectional view of the detachable rotary filter of modified of the invention.
Fig. 4 is the structural schematic diagram of coupling head of the invention.
Fig. 5 is the structural schematic diagram of by-passing valve of the invention.
Specific embodiment
Below in conjunction with specific attached drawing, the detachable rotary filter of improvement of the present invention type and its method for filtering fluid are made
It is further described.
It as shown in Figure 3 and Figure 4, is the detachable rotary filter of a modification of the present invention type, including filter housing 5, coupling head
6, filter core 7 and by-passing valve 8 are equipped with a gasket 91 between the coupling head 6 and filter housing 5, and coupling head 6 and filter housing 5 pass through spiral shell
Line is cooperatively connected,
The section of the coupling head 6 is T-shaped, including being set to the first cylinder 61 of top and set on the second cylinder of lower section
62, the outer diameter of first cylinder 61 is greater than the outer diameter of the second cylinder 62, and the center of the coupling head 6 is equipped with a centre bore 63,
The middle and lower part of the centre bore 63 is equipped with the by-passing valve, the first cylinder 61 of the coupling head 6 it is vertical equipped with it is several into
Oilhole 611, and the fuel feed hole 611 is in the outside surrounding of centre bore 63, the transverse direction of the second cylinder 62 of the coupling head 6
Several through-holes 621 are arranged at intervals with, and the through-hole 621 is communicated with the centre bore 63 of coupling head 6, the second of the coupling head 6
Cylinder 62 extends to the middle and lower part of filter housing 5, and the filter core 7 includes filter material 71 and end cap 72, and the center of the filter core 7 is equipped in one
Hole, and be set on the second cylinder 62 of the coupling head 6 by the inner hole.
As shown in figure 5, the by-passing valve 8 includes spring base 81, spring 82, valve deck 83 and the valve being successively arranged from top to bottom
Seat 84, the spring 82 and valve deck 83 are pressed in the centre bore 63 of coupling head 6 by valve seat 84 and spring base 81, on the valve seat 84
Equipped with two or more buckles 841, the buckle 841 of the valve seat 84 is fastened and connected with the through-hole 621 on the second cylinder 62, preferably
, the buckle 841 of the valve seat 84 and the through-hole 621 of the bottom of the second cylinder 62 are fastened and connected, second cylinder 62
Inner wall is equipped with a limiting section 622, and the spring base 81 under active force, is resisted against the limit of the second cylinder 62 in spring 82
In position portion 622.
The cross section of through-hole 621 on second cylinder 62 be it is rectangular, convenient for the buckle 841 on valve seat 84 is fixed connects
It connects.
The limiting section 622 is the annular boss that the inside bending of inner wall of the second cylinder 62 is formed.
It is respectively provided with an O-ring 92 above and below the filter core 7, is tightly connected by O-ring 92, the top of filter core 7
It is set on the second cylinder 62, the lower section of filter core 7 is set on valve seat 84.
The end cap 72 and filter material 71 of the filter core 7 are by the way that made of bonding, filter core made of bonding be can not be split
Overall structure.
The bottom of the filter housing 5 is equipped with a detector 93, and the detector 93 is pressure gauge or signalling generator.
As shown in figure 3, the filled arrows in figure represent filtered fluid, hollow arrow is represented after filter element filtering
Fluid.
When the rotary filter of the present embodiment filters fluid, include the following steps:
Fluid enters the cavity between filter housing 5 and filter core 7 from the fuel feed hole 611 of coupling head 6, after the filtering of filter core 7, passes through
Through-hole 621 on second cylinder 62 of coupling head 6 enters in the centre bore 63 of coupling head 6, then flows out (such as from centre bore 63 again
Position and direction shown in hollow arrow in figure).
Further, when the blocking of filter core 7, the setting value of pressure rise to detector 93, without replacing filter core 7 in time,
Pressure continues to increase, when reaching the maximum pressure value of the receiving of spring 82,83 pressure-bearing uplink of valve deck and compressed spring 82, so that valve deck
83 and valve seat 84 against formed sealing surface be opened, fluid flow into coupling head 6 centre bore 63, reached bypass function.
It is constantly blocked when filter core 7 is contaminated object, the pressure of the cavity between filter housing 5 and filter core 7 constantly increases, when pressure reaches
To signalling generator setting or pressure gauge show pressure reach certain value when, prompt filter core 7 need replacing.It shuts down at this time, first
Rotary filter is backed out from host, then filter housing 5 and coupling head 6 are unscrewed, and filter core 7 is pulled up from coupling head 6, if connection
When having pollutant on first 6 the second cylinder 62, can first it be cleaned;Then, new filter core 7 is set in the second of coupling head 6
On cylinder 62;Then gasket 91 is placed between filter housing 5 and coupling head 6, then filter housing 5 and coupling head 6 is tightened;Finally,
By the centre bore screw thread of coupling head 6 in rotary filter entirety spinning to host, entire filter core 7 more changes jobs completion.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention.These improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (8)
1. a kind of detachable rotary filter of modified, including filter housing, coupling head, filter core and by-passing valve, the coupling head and filter
A gasket, the coupling head and filter housing are equipped between shell by being threadedly engaged connection, which is characterized in that
The section of the coupling head is T-shaped, including being set to the first cylinder of top and set on the second cylinder of lower section, described first
The outer diameter of cylinder is greater than the outer diameter of the second cylinder, and the center of the coupling head is equipped with a centre bore, the middle and lower part of the centre bore
Equipped with the by-passing valve, first cylinder is vertically equipped with several fuel feed holes, and the fuel feed hole is set to the outer of centre bore
Side surrounding is provided with several through-holes in the transverse direction of second cylinder, and the through-hole is communicated with the centre bore of coupling head, described
Second cylinder extends to the middle and lower part of filter housing, and the filter core includes filter material and end cap, and the center of the filter core is equipped with an inner hole, and leads to
The inner hole is crossed to be set on second cylinder,
The by-passing valve includes the spring base being successively arranged from top to bottom, spring, valve deck and valve seat, and the spring and valve deck are by valve
Seat and spring base be pressed in the centre bore of coupling head, the valve seat be equipped with two or more buckles, the buckle of the valve seat with
Through-hole on second cylinder is fastened and connected, and the inner wall of second cylinder is equipped with a limiting section, and the spring base is by spring
For contact on the limiting section of the second cylinder, the end cap and filter material of the filter core are by being bonded.
2. the detachable rotary filter of modified as described in claim 1, which is characterized in that the through-hole on second cylinder
Cross section be it is rectangular.
3. the detachable rotary filter of modified as described in claim 1, which is characterized in that the limiting section is the second cylinder
The annular boss that is formed of the inside bending of inner wall.
4. the detachable rotary filter of modified as described in claim 1, which is characterized in that the buckle of the valve seat and second
The through-hole of the bottom of cylinder is fastened and connected.
5. the detachable rotary filter of modified as described in claim 1, which is characterized in that above and below the filter core
It is respectively provided with an O-ring, is tightly connected by O-ring, is set in above filter core on the second cylinder, valve is set in below filter core
On seat.
6. the detachable rotary filter of modified as described in any one in claim 1-5, which is characterized in that the bottom of the filter housing
Portion is equipped with a detector.
7. a kind of method of rotary filter filtering fluid as described in any one of claims 1 to 6, which is characterized in that fluid
Enter the cavity between filter housing and filter core from the fuel feed hole of coupling head, after filter element filtering, on the second cylinder of coupling head
Through-hole enter in the centre bore of coupling head, then again from centre bore flow out.
8. the method for rotary filter filtering fluid as claimed in claim 7, which is characterized in that when filter core blocks, in cavity
Pressure when reaching the maximum pressure value of spring receiving, valve deck pressure-bearing uplink and compressed spring, so that valve deck and valve seat abut shape
At sealing surface be opened, fluid flow into coupling head centre bore, reached bypass function.
Priority Applications (1)
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CN201610901083.0A CN106362460B (en) | 2016-10-17 | 2016-10-17 | The detachable rotary filter of modified and its method for filtering fluid |
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CN201610901083.0A CN106362460B (en) | 2016-10-17 | 2016-10-17 | The detachable rotary filter of modified and its method for filtering fluid |
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CN106362460B true CN106362460B (en) | 2019-06-18 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101699042A (en) * | 2007-07-23 | 2010-04-28 | 北京世珍一诺科技有限公司 | Combined type oil filter |
CN204342739U (en) * | 2015-01-05 | 2015-05-20 | 青岛澳波环保科技有限责任公司 | A kind of oiling machine reverse oil filter purifier |
CN105257366A (en) * | 2015-11-12 | 2016-01-20 | 上海朗境流体技术有限公司 | Detachable rotatably-mounted filter and fluid filtering method thereof |
CN206198805U (en) * | 2016-10-17 | 2017-05-31 | 上海朗境流体技术有限公司 | The detachable rotary filter of modified |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09136003A (en) * | 1995-11-14 | 1997-05-27 | Toyo Roki Seizo Kk | Safety valve device of liquid filter |
-
2016
- 2016-10-17 CN CN201610901083.0A patent/CN106362460B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101699042A (en) * | 2007-07-23 | 2010-04-28 | 北京世珍一诺科技有限公司 | Combined type oil filter |
CN204342739U (en) * | 2015-01-05 | 2015-05-20 | 青岛澳波环保科技有限责任公司 | A kind of oiling machine reverse oil filter purifier |
CN105257366A (en) * | 2015-11-12 | 2016-01-20 | 上海朗境流体技术有限公司 | Detachable rotatably-mounted filter and fluid filtering method thereof |
CN206198805U (en) * | 2016-10-17 | 2017-05-31 | 上海朗境流体技术有限公司 | The detachable rotary filter of modified |
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