CN103463849A - Filter core - Google Patents
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- CN103463849A CN103463849A CN2012101873472A CN201210187347A CN103463849A CN 103463849 A CN103463849 A CN 103463849A CN 2012101873472 A CN2012101873472 A CN 2012101873472A CN 201210187347 A CN201210187347 A CN 201210187347A CN 103463849 A CN103463849 A CN 103463849A
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- cylinder member
- supporting plate
- outer cylinder
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Abstract
The invention provides a filter core capable of inhibiting captured collected dust from arriving external when the filter core is replaced. The filter core (2) comprises: a filtering medium (40) for filtering work oil (L), an outer cylinder part (31) which is nonporous and tubular and used to accept the filtering medium (40), an upper end supporting plate part (32) disposed at the upper end of the outer cylinder part (31), a lower end supporting plate part (33) disposed at the lower end of the outer cylinder part (31), an accepting part (S) disposed in the outer cylinder part (31) for accepting to-be filtered work oil (L) by using the filtering medium (40), and a handle (70) disposed on the upper end supporting plate part (32); and the upper end supporting plate part (32) forms an inflow port (36) which is communicated with the accepting part (S), and the inflow port (36) is used to guide the to-be filtered work oil (L) flow to the accepting part (S).
Description
Technical field
The present invention relates to the filter core that the corresponding liquid when filtering is filtered.
Background technology
For example, the building machineries such as crane locomotive have hydraulic pump, and the actuator that this hydraulic pump has this building machinery is moved.Hydraulic pump is driven by working oil mobile in hydraulic circuit.In this type of hydraulic circuit, be provided with for filtering the filter core of working oil.Specifically, be provided with the liquid storage part of case of taking in filter core etc. in hydraulic circuit.Filter core is accommodated in liquid storage part.
Filter core has filter medium is accommodated in to inboard urceolus.Side face at urceolus is formed with a plurality of through holes.The working oil that flow into liquid storage part flow in filter core by the formed through hole of the urceolus at filter core.
Flow into working oil in filter core because of from filter medium by being filtered.That is to say, if working oil passes through filter medium, this filter medium catches the dust in collection work oil.Working oil after filtration turns back to hydraulic circuit (for example,, with reference to patent documentation 1) again.
［ patent documentation 1 ］ TOHKEMY 2011-143371 communique
On the other hand, if catch the dust of collecting, increase, the strainability of the filter medium of filter core can reduce.Therefore, if after use through the time to a certain degree, renew cartridge more.Now, if be formed with at the side face of urceolus the through hole passed through for working oil, sometimes utilize filter medium to catch the dust of collecting and can arrive outside by this through hole.Catch the dust of collecting and arrive outside situation not for preferred.
Summary of the invention
The object of the present invention is to provide a kind of filter core, can suppress to catch the dust of collecting and arrive outside when changing this filter core.
Filter core of the present invention is filtered liquid.Described filter core possesses: the filter medium that described liquid is filtered; Surrounding wall portion, this surrounding wall portion atresia and be barrel shape, take in described filter medium; Be arranged at the first end wall of an end of described surrounding wall portion; Be arranged at the second end wall of the other end of described surrounding wall portion; Liquid accommodating section before filtering, before this filtration, liquid accommodating section is arranged in described surrounding wall portion, and the liquid before utilizing described filter medium to filter is taken in; And the handle that is arranged at described the first end wall.Form inflow entrance in described the first end wall, this inflow entrance is communicated with the front liquid accommodating of described filtration section, will to liquid accommodating section before described filtration, be guided by the described liquid before described filter media.
According to the present invention, can when being changed, suppress to catch the dust of collecting and arrive outside.
The accompanying drawing explanation
Fig. 1 is illustrated in the related filter core of first embodiment of the invention to be loaded under the state of hydraulic circuit, near the cutaway view of the state after cutting open by filter core and it.
Fig. 2 is the stereogram that this filter core is shown.
Fig. 3 is by the front view shown in the part excision of the upper end by this filter core.
Fig. 4 is the cutaway view along this filter core shown in the F4-F4 line shown in Fig. 1.
Fig. 5 is the stereogram that the upper end of the related filter core of second embodiment of the invention is shown.
Fig. 6 is the stereogram that the related filter core of third embodiment of the invention is shown.
Fig. 7 is the stereogram that the state midway of the outer cylinder member of dismantling this filter core is shown.
Fig. 8 is the side view illustrated this filter core of the state after this outer cylinder member dismounting.
Fig. 9 is by the scope F10 shown in enlarged drawing 6 and by the side view shown in the one Partial Resection.
Figure 10 illustrates the scope F11 shown in enlarged drawing 6 and by the side view of the state after the one Partial Resection.
Figure 11 is incorporated under state later in containing box the cutaway view shown in the excision of the part of its upper end by the filter core related in four embodiment of the invention.
Label declaration is as follows:
20 ... filter core; 31 ... outer cylinder member (surrounding wall portion, outer cylinder member); 32 ... upper end supporting plate part (the first end wall, first end wall components); 33 ... lower end supporting plate part (the second end wall, the second end wall member); 36 ... inflow entrance; 40 ... filter medium; 70 ... handle; 100 ... fixture construction (fixed cell); L... working oil (liquid); S ... incorporating section (liquid accommodating section before filtering).
The specific embodiment
Utilize Fig. 1～Fig. 4 to describe the related filter core of the first embodiment of the present invention.Fig. 1 is illustrated under the state that filter core 20 is loaded into hydraulic circuit 10, by filter core 20 and near the cutaway view of the state after cutting open it.Hydraulic circuit 10 is for example the hydraulic circuit that building machinery possesses.The working oil L used in the actuator possessed at building machinery flows in hydraulic circuit 10.In the present embodiment, as an example, 20 couples of working oil L of filter core are filtered.
As shown in Figure 1, hydraulic circuit 10 possesses the containing box (tank) 11 of taking in filter core 20.Be provided with hydraulic circuit use inflow section 12 and outflow section 13 for hydraulic circuit at containing box 11.Hydraulic circuit is parts of hydraulic circuit 10 with inflow section 12.In working oil L guiding containing box 11 before hydraulic circuit will filter with inflow section 12.Working oil L after hydraulic circuit outflow section 13 makes to filter by filter core 20 flows to the position of swimming more on the lower than containing box 11 again in hydraulic circuit 10.In addition, at filter core 20, be loaded under the interior later state of containing box 11, working oil L is by this filter core 20.Therefore, filter core 20 has formed the part of hydraulic circuit 10.
Containing box 11 possesses main part 11a and cover 11b.Main part 11a is barrel shape, and forms the shape of an end opening.Surrounding wall portion at main part 11a is provided with inflow section 12 for hydraulic circuit, in bottom wall part, is provided with outflow section 13 for hydraulic circuit.
In addition, in the present embodiment, the direction that containing box 11 extends is parallel with above-below direction V.And then the opening of main part 11a is positioned at upper end.Above-below direction V is parallel with the action direction of gravity.Below is the action direction of gravity.Fig. 1 shows by filter core 20 center and along the vertical direction by the state after filter core 20 and containing box 11 cut-outs.In addition, figure 1 illustrates and do not cut off safety valve described later and by its a part of abridged situation.
Fig. 2 shows the stereogram of filter core 20.As shown in Figure 1, 2, filter core 20 possesses outer cylinder member 31, upper end supporting plate part 32, lower end supporting plate part 33, filter medium 40, inner cylinder member 50, safety valve 60 and handle 70.
Fig. 3 is by the front view shown in the part excision of the upper end by filter core 20.Fig. 4 is the cutaway view along the filter core 20 shown in the F4-F4 line shown in Fig. 1.Fig. 4 shows the state after along the horizontal direction H vertical with respect to above-below direction V, filter core 20 being cut off.Wherein, in the present embodiment, filter core 20 up and down based on being incorporated in the posture of containing box 11 when interior.
Upper end supporting plate part 32 covers the upper end open of outer cylinder member 31 34.Below upper end supporting plate part 32 is specifically described.Lower end supporting plate part 33 covers the lower ending opening of outer cylinder member 31 35.Below lower end supporting plate part 33 is specifically described.
As shown in Figure 4, filter medium 40 is the barrel shape around a circumferential continuous circle, both ends open.In the present embodiment, as an example, it is folded and around the circumferential barrel shape of a continuous circle that filter medium 40 forms.Filter medium 40 is accommodated in outer cylinder member 31.Formed the gap of a continuous circle between outer cylinder member 31 and filter medium 40.
The barrel shape that inner cylinder member 50 is both ends open.In the present embodiment, as an example, inner cylinder member 50 is cylinder, and the cross sectional shape vertical with center line P2 is circular.Inner cylinder member 50 is accommodated in the inboard of filter medium 40.Now, outer cylinder member 31 is configured to coaxial mutually with inner cylinder member 50.In other words, the center line P2 of the center line P1 of outer cylinder member 31 and inner cylinder member 50 is configured on same straight line.Inner cylinder member 50 spreads all over gamut ground and is formed with a plurality of through holes 51.Through hole 51 connects inner cylinder member 50.
Upper end supporting plate part 32 is specifically described.As shown in Figure 2, the plan view shape of upper end supporting plate part 32 is circular.Be formed with inflow entrance 36 at upper end supporting plate part 32.In the present embodiment, as an example, inflow entrance 36 is formed with a plurality of, as a plurality of examples, is formed with 4.Inflow entrance 36 forms around the center P 3 of upper end supporting plate part 32 and separates with equal intervals, and extends along the circular arc centered by center P 3.The size of each inflow entrance 36 is identical.Inflow entrance 36 is formed at the peripheral part 32a of upper end supporting plate part 32.In addition, the center line P2 of the center line P1 of outer cylinder member 31 and inner cylinder member 50 is by the center P 3 of upper end supporting plate part 32.
Face the face of the inboard of outer cylinder member 31 in upper end supporting plate part 32, be provided with the first outer cylinder member support 38a, the first inner cylinder member support 39a and filter medium support 37.The first outer cylinder member support 38a is formed at the outer peripheral edges of upper end supporting plate part 32.The longitudinal wall shape that the gamut that the first outer cylinder member support 38a is the outer peripheral edges from upper end supporting plate part 32 erects.The upper end of outer cylinder member 31 is embedded into the inboard of the first outer cylinder member support 38a, makes upper end supporting plate part 32 be fixed in outer cylinder member 31.The upper end of outer cylinder member 31 is embedded into the inboard of the first outer cylinder member support 38a of upper end supporting plate part 32, thus by liquid-tight obstruction between outer cylinder member 31 and the first outer cylinder member support 38a.
In the present embodiment, in order to strengthen liquid-tight property and mutual the fixing between outer cylinder member 31 and the first outer cylinder member support 38a, as an example, chimeric in outer cylinder member 31 and the first outer cylinder member support 38a, and utilize binding agent that this fitting portion is fixed.In addition, in the present embodiment, outer cylinder member 31 is formed by resin material with upper end supporting plate part 32.
The longitudinal wall shape that the first inner cylinder member support 39a erects for the imaginary circle centered by the center P 3 of above end bearing plate member 32.The barrel shape that the first inner cylinder member support 39a is a continuous circle.The first inner cylinder member support 39a is positioned at than the first outer cylinder member support 38a position more in the inner part.The inboard of the first inner cylinder member support 39a and inner cylinder member 50 is chimeric, is fixed in thus inner cylinder member 50.In the present embodiment, the first inner cylinder member support 39a is embedded into the inboard of inner cylinder member 50, thus by liquid-tight seal between inner cylinder member 50 and the first inner cylinder member support 39a.
And, in the present embodiment, in order to strengthen liquid-tight property and mutual the fixing between inner cylinder member 50 and the first inner cylinder member support 39a, as an example, the first inner cylinder member support 39a is fitted in inner cylinder member 50, and utilizes binding agent that this fitting portion is fixed.In addition, in the present embodiment, inner cylinder member 50 is formed by resin material.
On upper end supporting plate part 32, the inboard of the first inner cylinder member support 39a, be provided with safety valve 60.If the pressure in the outside of filter core 20 surpasses authorized pressure, safety valve 60 is opened.The outside of filter core 20 is opened and is passed through upper end supporting plate part 32 and be communicated with because of safety valve 60 with inboard.Wherein, there is shown and omitted a part of safety valve 60.
As shown in Figure 2,3, be formed with handle 70 at upper end supporting plate part 32.Handle 70 is formed at the face of facing the outside in upper end supporting plate part 32.Handle 70 is arranged to cross over the center P 3 of upper end supporting plate part 32, and upper end supporting plate part 32 is fixed at its both ends.As shown in Figure 1, the part between inner cylinder member 50 and filter medium support 37 in the first inner cylinder member support 39a is fixed at the both ends 71 of handle 70.
Lower end supporting plate part 33 is described.Lower end supporting plate part 33 covers the lower end of outer cylinder member 31.Face the face of the inboard of outer cylinder member 31 in lower end supporting plate part 33, be provided with the second outer cylinder member support 38b, the second inner cylinder member support 39b and filter medium support 39c.
The longitudinal wall shape that the second outer cylinder member support 38b erects for the outer peripheral edges from lower end supporting plate part 33.The barrel shape that the second outer cylinder member support 38b is a continuous circle.The inboard of the bottom of outer cylinder member 31 and the second outer cylinder member support 38b is chimeric, makes lower end supporting plate part 33 be fixed in outer cylinder member 31.And then, between the second outer cylinder member support 38b and outer cylinder member 31 because of chimeric by liquid-tight seal.In the present embodiment, in order to improve the fixing and sealing of lower end supporting plate part 33 and outer cylinder member 31, as an example, utilize binding agent that lower end supporting plate part 33 and the fitting portion of outer cylinder member 31 are fixed.As an example, lower end supporting plate part 33 is formed by resin material.
Central portion at lower end supporting plate part 33 is formed with through hole 33a.Through hole 33a connects lower end supporting plate part 33.Be formed at the longitudinal wall part 17 that the hydraulic circuit of the bottom wall part 15 of containing box 11 possesses through hole 16 and erects from its periphery with outflow section 13.The barrel shape that longitudinal wall part 17 is a continuous circle.
The longitudinal wall shape that the second inner cylinder member support 39b erects for the edge from through hole 33a.The barrel shape that the second inner cylinder member support 39b is a continuous circle.The second inner cylinder member support 39b is inserted in the lower ending opening of inner cylinder member 50 and is chimeric with lower ending opening, is fixed in thus inner cylinder member 50.
The second inner cylinder member support 39b is fitted in inner cylinder member 50 lower ending openings, thus by liquid-tight seal between the second inner cylinder member support 39b and inner cylinder member 50.In the present embodiment, in order to improve the fixing and sealing of the second inner cylinder member support 39b and inner cylinder member 50, utilize binding agent that the fitting portion of the second inner cylinder member support 39b and inner cylinder member 50 is fixed.
If filter core 20 is accommodated in containing box 11, the hydraulic circuit of containing box 11 is embedded in the through hole 33a of lower end supporting plate part 33 by the longitudinal wall part 17 of outflow section 13.Peripheral part in longitudinal wall part 17 is provided with O shape ring 18.If longitudinal wall part 17 is fitted in the through hole 33a of lower end supporting plate part 33, utilize O shape ring 18 by liquid-tight seal between lower end supporting plate part 33 and lower end supporting plate part 33.
Like this, outer cylinder member 31 and inner cylinder member 50 are fixed in upper end supporting plate part 32 and lower end supporting plate part 33, and filter medium 40 is accommodated between outer cylinder member 31 and inner cylinder member 50, thus outer cylinder member 31, inner cylinder member 50, filter medium 40, upper end supporting plate part 32, lower end supporting plate part 33 and handle 70 is arranged to one.
And, be not formed with through hole in outer cylinder member 31, the upper end open of outer cylinder member 31 is covered by upper end supporting plate part 32, and the lower ending opening of outer cylinder member 31 is covered by lower end supporting plate part 33, therefore as shown in Figure 1, at filter core 20, be arranged under the interior later state of containing box 11, the working oil L before filtering only flow in outer cylinder member 31 by inflow entrance 36.
As shown in Figure 1, if filter core 20 is contained, helical spring 19 is disposed at cover 11b, and upper end supporting plate part 32 between.Helical spring 19 has can take in inboard the size of handle 70.Under the state upper end open of containing box 11 stopped up at cover 11b, helical spring 19 is compressed between cover 11b and upper end supporting plate part 32.Therefore, filter core 20 is pressed to bottom wall part 15 by helical spring 19, is fixed in thus in containing box 11.
Action while next, filter core 20 being filtered to working oil L describes.As shown in Figure 1, in hydraulic circuit 10, mobile working oil L uses inflow section 12 to flow in containing box 11 by hydraulic circuit.The working oil L flow in containing box 11 flow in outer cylinder member 31 by inflow entrance 36.In the present embodiment, the space between outer cylinder member 31 and filter medium 40 becomes the incorporating section S that takes in the working oil L before filtering.
The liquid-tight covering in position beyond inflow entrance 36 by upper end supporting plate part 32 as described above of the upper end of incorporating section S.The lower end of incorporating section S is as described above by the liquid-tight covering of lower end supporting plate part 33.
Working oil L outside-in is by filter medium 40.Working oil L, by filter medium 40, makes the foreign matters such as dust in working oil L be filtered medium 40 seizure collections thus.Its result, working oil L is because being filtered by filter medium 40.
Arrive the inboard of inner cylinder member 50 by the through hole 51 of inner cylinder member 50 by the working oil L after filter medium 40.Arrive the inboard of inner cylinder member 50 and be filtered after working oil L by outflow section 13 guiding for hydraulic circuit.
One example of the action during next, to renew cartridge 20 more describes., therefore as time goes by, can produce eyelet and stop up by working oil L being filtered to catch the foreign matters such as dust in collection work oil L due to filter medium 40.Because filter core 20 makes strainability reduce because eyelet stops up, the interval that therefore must separate regulation is changed.
When renew cartridge 20 more, the staff pulls down the cover 11b of containing box 11.By pulling down cover 11b, make filter core 20 externally expose.Then, the staff catches handle 70.Be removed under later state the inlay resultant force while only by hydraulic circuit, using the longitudinal wall part 17 of outflow section 13 chimeric with the through hole 33a of lower end supporting plate part 33 and filter core 20 is fixed in containing box 11 at cover 11b.
Therefore, the staff catches handle 70 and lifts upward, can in containing box 11, pull down filter core 20 thus.Be filtered medium 40 and catch the outer surface that the dust of collecting mainly is attached to filter medium 40.And, in outer cylinder member 31, do not form with the outside hole be communicated with etc.Therefore, even be attached to the foreign matters such as dust of the outer surface of filter medium 40, because of the vibration of dismounting during filter core 20 etc., drop, this seizure gleanings after dropping also can be stranded in the S of incorporating section, can not arrive the outside of filter core 20.
And then inflow entrance 36 is formed at the upper end supporting plate part 32 of the direction extension intersected along the direction with outer cylinder member 31 extensions.Specifically, be formed at the upper end supporting plate part 32 extended along the horizontal direction H vertical with respect to above-below direction V.Therefore, when from the interior dismounting filter core 20 of containing box 11, the front working oil of filtration that can suppress to be stranded in the S of incorporating section spills from inflow entrance 36.Thus, can suppress filter medium 40 catches the foreign matter of collecting and arrives outside by inflow entrance 36.
The filter core 20 by new be arranged at containing box 11 interior after, the staff is fixed in containing box 11 by cover 11b.
In the filter core 20 formed in this mode, when renew cartridge 20 more, can suppress to be caught by filter core 20 outside that foreign matters such as dust after collecting arrive filter core 20.Thus, around can being suppressed at while being changed, made dirty.
Next, utilize Fig. 5 to describe the related filter core of the second embodiment of the present invention.Wherein, to thering is the label identical with the first embodiment with the structure mark of the first embodiment said function and its explanation being omitted.In the present embodiment, the structure of handle 70 is different from the first embodiment.Other structure is identical with the first embodiment.
Fig. 5 is the stereogram of upper end that the filter core 20 of present embodiment is shown.As shown in Figure 5, in the present embodiment, handle 70 is the parts with respect to 32 splits of upper end supporting plate part, with upper end supporting plate part 32, connects to and can swing.Specifically, handle 70 is for example crooked parts.Be provided with the both ends of handle 70 are held in to the maintaining part 80 that can rotate at upper end supporting plate part 32.Maintaining part 80 forms as one with respect to upper end supporting plate part 32.For example, in the situation that utilize injection moulding etc. to carry out moulding to upper end supporting plate part 32, maintaining part 80 also is shaped to one.
In the present embodiment, handle 70 can swing with respect to upper end supporting plate part 32, when when catching handle 70, makes handle 70 swing to upper end supporting plate part 32 sides thus, can reduce filter core 20 thus.Therefore, be easy in warehouse etc. to locate keeping filter core 20.
Next, utilize Fig. 6～Figure 10 filter core related to third embodiment of the invention to describe.Wherein, to thering is the label identical with the first embodiment with the structure mark of the first embodiment said function and its explanation being omitted.In the present embodiment, adopt outer cylinder member 91, upper end supporting plate part 92 and lower end supporting plate part 93 to replace outer cylinder member 31, upper end supporting plate part 32 and lower end supporting plate part 33.And possesses fixture construction 100.Other structure is identical with the first embodiment.
Fig. 6 is the stereogram that the filter core 20 of present embodiment is shown.In the present embodiment, as mentioned above, adopt outer cylinder member 91, upper end supporting plate part 92 and lower end supporting plate part 93 to replace outer cylinder member 31, upper end supporting plate part 32 and lower end supporting plate part 33.
In the present embodiment, there is the fixture construction 100 that outer cylinder member 91 is fixed in to upper end supporting plate part 92 and lower end supporting plate part 93.Fixture construction 100 possesses fixing with ring component 101 and ring component maintenance slot part 102.
As shown in Figure 7,8, with upper end supporting plate part 32 illustrated in the first embodiment, compare, upper end supporting plate part 92 not being formed with the first outer cylinder member support 38a this respect, be formed with ring component keep with slot part 102 this respects and big or small aspect difference.Other structure is identical with upper end supporting plate part 32 illustrated in the first embodiment.Below size is described.
Lower end supporting plate part 93 not being formed with the second outer cylinder member support 38b this respect, be provided with by from outer cylinder member 91 between the O shape of liquid-tight seal encircle 103 this respects and big or small aspect different.Other structure is identical with the lower end supporting plate part 33 in the first embodiment.
Upper end supporting plate part 92 is less than outer cylinder member 91, and lower end supporting plate part 93 is greater than outer cylinder member.Therefore, can be from upper end supporting plate part 92 side handling outer cylinder member 91.
As shown in Figure 8, the circumference at upper end supporting plate part 92 is formed with ring component maintenance slot part 102.Fix with ring component 101 and be accommodated in the ring component maintenance with in slot part 102.As shown in Figure 7, fixing is discontinuous toroidal with ring component 101, and strain can occur.In the present embodiment, the fixing ring component 101 of using is for example formed by metal material.Therefore, adjacent to each other by the fixing both ends 101a with ring component 101 is deformed into, the fixing mode reduced with its diameter with ring component 101 deforms.There is elasticity due to fixing with ring component 101, remove if therefore will be input to the power of both ends 101a, can return to original size.
Fig. 9 is by the amplification of the scope F10 by shown in Fig. 6 and by the side view shown in part excision.Fig. 9 amplifies to show and fixingly with ring component 101, is accommodated in the part that ring component keeps the interior later state of use slot part 102.As shown in Figure 9, at the fixing ring component that is accommodated in ring component 101, keep with under the state in slot part 102, when to both ends 101a, input does not make the close load of both ends 101a, this is fixed and uses ring component 101 to contact with the upper ora terminalis of outer cylinder member 91.Outer cylinder member 91 can not break away from above-mentioned supporting plate part 92 because of this contact, but is fixed in above-mentioned supporting plate part 92.
Fixing have elastic force with ring component 101.Therefore, by making the fixing both ends 101a of ring component 101 that uses adjacent to each other, make to fix to reduce to the inside with ring component 101.In Figure 10, fixing with ring component 101 under the state after utilizing double dot dash line to show to reduce.
Fix with ring component 101 and reduce to be disengaged with ring component 101 with the contacting because of fixing of upper end of outer cylinder member 91, therefore can be from upper end supporting plate part 92 sides dismounting outer cylinder member 91.
In addition, under the state after outer cylinder member 91 has been installed, the upper end of outer cylinder member 91 spreads all over circumferential gamut ground and contacts with ring component 101 with fixing.Thus, between outer cylinder member 91 and upper end supporting plate part 92 by liquid-tight seal.
Figure 10 is by the amplification of the scope F11 by shown in Fig. 6 and by the side view shown in the one Partial Resection.In Figure 10, the upper ora terminalis that shows outer cylinder member 91 because of with fixing with ring component 101 contact lower end supporting plate part 93 under the state be fixed near.The shape that O shape ring 103 is a continuous circle.As shown in figure 10, under the state be fixed in outer cylinder member 91, O shape ring 103 spreads all over circumferential gamut ground and contacts with the inner surface of outer cylinder member 91.Thus, between lower end supporting plate part 93 and outer cylinder member 91 by liquid-tight seal.
In the present embodiment, outer cylinder member 91 is transparent, can be from the state of outside Visual Confirmation filter medium 40.In the present embodiment, as an example, outer cylinder member 91 is formed by transparent resin material.
In the present embodiment, on the basis of the effect of the first embodiment, can also to outer cylinder member 91, be recycled by dismounting outer cylinder member 91.And, because of outer cylinder member 91 transparent, therefore can be by the visual eyelet blocked state of confirming filter medium 40, thereby can be by the visual replacing opportunity of confirming filter medium 40.
In addition, the outer cylinder member 91 of present embodiment, upper end supporting plate part 92, lower end supporting plate part 93 and fixture construction 100 can be for the second embodiments.And, even in the first～three embodiment, outer cylinder member 31 can be also transparent as in this embodiment.In this case, can be by the visual replacing opportunity of confirming filter medium 40.
Next, utilize Figure 11 to describe the related filter core of the 4th embodiment of the present invention.Wherein, to thering is the label identical with the first embodiment with the structure mark of the first embodiment said function and its explanation being omitted.In the present embodiment, upper end supporting plate part 32 is different from the first embodiment.Other structure is identical with the first embodiment.
Figure 11 is by under the state in being accommodated in containing box 11, the cutaway view shown in a part being excised in the upper end of the filter core of present embodiment 20.As shown in figure 11, in the present embodiment, at upper end supporting plate part 32, be provided with differential pressure measuring device 110, the differential pressure of the pressure of the inboard of 110 pairs of inner cylinder member 50 of this differential pressure measuring device and the pressure in the space between containing box 11 and filter core 20 is detected.
Therefore, at upper end supporting plate part 32, be formed with for the fixing fixed part 111 of differential pressure checkout gear 110.Fixed part 111 forms the shape outstanding from the upper surface of upper end supporting plate part 32, when for example by injection moulding or with mould, being shaped upper end supporting plate part 32 by integrally formed.
In the present embodiment, on the basis of the effect of the first embodiment, as fixed part 111, make the section of being formed that should form as one with upper end supporting plate part 32 be shaped with upper end supporting plate part 32 integratedly, can form at upper end supporting plate part 32 section that is formed that fixed part 111 grades should form simply thus.
In addition, even for lower end supporting plate part 33, when exist as fixed part 111, be integrally formed at lower end supporting plate part 33 be formed section the time, also can make this be formed section and lower end supporting plate part 33 is shaped to one by injection moulding or with mould etc.
In addition, even in second, third embodiment, when existing fixed part 111 grades should be formed at the parts of upper end supporting plate part 32 or upper end supporting plate part 92, also can make these parts that should form and upper end support unit 32,92 be shaped to one.As other example, such as can or carrying out one-body molded with mould etc. to handle 70 by injection moulding.
The working oil L of the first～four embodiment is an example of said liquid in the present invention.First and second, the outer cylinder member 31 in four embodiments and the outer cylinder member 91 in the 3rd embodiment be examples of said surrounding wall portion in the present invention, and be an example of outer cylinder member.And the situation that the outer cylinder member of the first～four embodiment is drum is an example of said barrel shape in the present invention.For example, can be also the barrel shape beyond cylinder.For example, the cross sectional shape vertical with the center line of the outer cylinder member of barrel shape can be rectangle.
First and second, the upper end supporting plate part 32 in four embodiments and the upper end supporting plate part 92 in the 3rd embodiment be examples of said the first end wall and first end wall components in the present invention.First and second, the lower end supporting plate part 33 in four embodiments and the lower end supporting plate part 93 in the 3rd embodiment be examples of said the second end wall and the second end wall member in the present invention.Incorporating section S in the first～four embodiment is an example of liquid accommodating section before filtering.Fixture construction 100 in the 3rd embodiment is examples of said fixed cell in the present invention.
In the first～four embodiment, as an example, inflow entrance 36 is formed with 4.Beyond the quantity of inflow entrance 36 can be also 4, can be for example a plurality of beyond 1 or 4.And, although the shape of inflow entrance 36 is long hole shape, be not limited to this, such as being also rectangle or circle etc.
The present invention is not limited to above-mentioned embodiment, the implementation phase can be out of shape construction unit in the scope that does not break away from its purport and be made it specific.And, can form various inventions by disclosed a plurality of construction units in above-mentioned embodiment are carried out to suitable combination.For example, can from the entire infrastructure unit shown in above-mentioned embodiment, delete several construction units.And then, can also combine the structure in different embodiments.
Claims (3)
1. a filter core, for liquid is filtered, described filter core is characterised in that to possess:
The filter medium that described liquid is filtered;
Surrounding wall portion, this surrounding wall portion atresia and be barrel shape, this surrounding wall portion is taken in described filter medium;
Liquid accommodating section before filtering, before this filtration, liquid accommodating section is arranged in described surrounding wall portion, and the liquid before utilizing described filter medium to filter is taken in;
Be arranged at the first end wall of an end of described surrounding wall portion;
Be arranged at the second end wall of the other end of described surrounding wall portion; And
Be arranged at the handle of described the first end wall,
Form inflow entrance in described the first end wall, this inflow entrance is communicated with the front liquid accommodating of described filtration section, will to liquid accommodating section before described filtration, be guided by the described liquid before described filter media.
2. filter core according to claim 1, is characterized in that,
Described filter core possesses:
Fixed cell;
First, second end wall member, this first, second end wall member is fixed in described filter medium and has formed described first, second end wall; And
Outer cylinder member, described surrounding wall portion can be loaded and unloaded and form to this outer cylinder member with respect to described first, second end wall,
Described fixed cell is fixed in described filter medium by described outer cylinder member.
3. filter core according to claim 1 and 2, is characterized in that,
Should be formed at the section that is formed of described the first end wall, with described the first end wall, be configured as one.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101873472A CN103463849A (en) | 2012-06-07 | 2012-06-07 | Filter core |
| JP2012211547A JP2013252512A (en) | 2012-06-07 | 2012-09-25 | Filter element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101873472A CN103463849A (en) | 2012-06-07 | 2012-06-07 | Filter core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103463849A true CN103463849A (en) | 2013-12-25 |
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| CN2012101873472A Pending CN103463849A (en) | 2012-06-07 | 2012-06-07 | Filter core |
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| JP (1) | JP2013252512A (en) |
| CN (1) | CN103463849A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107614895A (en) * | 2015-06-18 | 2018-01-19 | 雅玛信过滤器株式会社 | Return filter |
| TWI640350B (en) * | 2016-12-09 | 2018-11-11 | 林鼎堯 | Filter structure |
| CN109890477A (en) * | 2016-10-31 | 2019-06-14 | 雅玛信过滤器株式会社 | Filter device |
| CN111828413A (en) * | 2019-04-23 | 2020-10-27 | 雅玛信过滤器株式会社 | Filter device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106705413A (en) * | 2015-09-30 | 2017-05-24 | 艾欧史密斯(中国)热水器有限公司 | Water heater |
| JP6759048B2 (en) | 2016-10-20 | 2020-09-23 | ヤマシンフィルタ株式会社 | Differential pressure detector and filtration device |
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| US4212739A (en) * | 1977-07-04 | 1980-07-15 | Ucc International Limited | Disposable filter canister and housing |
| CN101801493A (en) * | 2007-09-11 | 2010-08-11 | 曼·胡默尔有限公司 | Exchangeable filter |
| CN201260910Y (en) * | 2008-09-04 | 2009-06-24 | 杭州海聚动力科技有限公司 | Novel hydraulic filter for preventing filter element replacement contamination |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107614895A (en) * | 2015-06-18 | 2018-01-19 | 雅玛信过滤器株式会社 | Return filter |
| CN107614895B (en) * | 2015-06-18 | 2019-12-24 | 雅玛信过滤器株式会社 | Reflux filter |
| CN109890477A (en) * | 2016-10-31 | 2019-06-14 | 雅玛信过滤器株式会社 | Filter device |
| CN109890477B (en) * | 2016-10-31 | 2021-12-14 | 雅玛信过滤器株式会社 | Filter device |
| TWI640350B (en) * | 2016-12-09 | 2018-11-11 | 林鼎堯 | Filter structure |
| CN111828413A (en) * | 2019-04-23 | 2020-10-27 | 雅玛信过滤器株式会社 | Filter device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013252512A (en) | 2013-12-19 |
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Application publication date: 20131225 |