CN209548828U - Folding type filter element private filter - Google Patents
Folding type filter element private filter Download PDFInfo
- Publication number
- CN209548828U CN209548828U CN201822118629.2U CN201822118629U CN209548828U CN 209548828 U CN209548828 U CN 209548828U CN 201822118629 U CN201822118629 U CN 201822118629U CN 209548828 U CN209548828 U CN 209548828U
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- filter element
- snap ring
- foldable
- filter
- folding type
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Abstract
The utility model provides a kind of folding type filter element private filter, belong to lubrication oil filtration field, comprising: shell, for accommodating foldable filter element, and bottom connect with foldable filter element bottom end seal and foldable filter element inner cavity lower end closed is formed oil outlet chamber, and oil suction chamber is formed between foldable filter element and shell；Sealing cover, sealing are set to the opening of shell, and for connecting with the end sealing of foldable filter element；Snap ring includes the stretch section and rigid section for being spaced apart from each other setting in filter cylinder circumferential direction and connecting, and card slot is equipped on the inside of rigid section, snap ring is used to be sheathed on the filter cylinder periphery of foldable filter element in a free state and card slot and the incline of filter cylinder periphery are clamped；And it is connected to the snap ring fixed frame between sealing cover and stretch section.The incline of filter cylinder periphery is connect by snap ring and snap ring fixed frame with sealing cover, and the incline of filter cylinder periphery is fixed, and the swing for reducing filter paper when using extends the service life of foldable filter element to improve the filter effect of folding type filter element private filter.
Description
Technical field
The utility model belongs to lubrication oil filtration technical field, is that be related to a kind of folding type filter element dedicated more specifically
Filter.
Background technique
In equipment running process, it can inevitably be mixed into variable amount of water in lubricating oil, will cause lubricating oil
Emulsification, deterioration, so that lubricating oil quality is deteriorated, lubricant effect is deteriorated, it is therefore desirable to remove lubrication W/O.
Foldable filter element is installed in water absorbing filter, is that the moisture being contained in lubricating oil is removed by foldable filter element, protects
Hold the greasy property of lubricating oil, it is ensured that equipment stable operation.Water absorbing filter in actual use, lubricating oil flows through folding
When filter core, since the filter paper of foldable filter element filter cylinder rigidity itself is small, it can be put in use with the flowing of lubricating oil
Dynamic, on the one hand this swing causes filter cylinder to deform, and causes strain position to change, influences water absorbing filter to lubrication oil filtration
On the other hand effect also increases the service wear of filter paper, influences foldable filter element service life.Using the rubber around filter cylinder
The snap ring scheme that filter paper is fixed, solves the above problem, but the part of card slot is arranged in such scheme snap ring to a certain extent
Intensity is lower, and in installation process, after snap ring is expanded, stress concentrates on the part that snap ring is equipped with card slot, and snap ring is caused to be equipped with card
The part of slot is stretched, and is easy to happen fracture.
Utility model content
The purpose of this utility model is to provide a kind of folding type filter element private filters, to solve to exist in the prior art
Around the rubber snap ring of filter cylinder that filter paper is the fixed scheme of use, in assembling process, the part that snap ring is equipped with card slot is easy
Being stretched leads to the technical issues of being broken.
In order to achieve the above purposes, the technical solution adopted by the utility model is: provides a kind of folding type filter element special filtering
Device, comprising:
Shell, top opening, for accommodating foldable filter element, and bottom is connect and by institute with the foldable filter element bottom end seal
Foldable filter element inner cavity lower end closed is stated, the foldable filter element inner cavity forms oil outlet chamber, between the foldable filter element and the shell
Form oil suction chamber；
Sealing cover, sealing are set to the opening of the shell, and for connecting with the end sealing of the foldable filter element, and
Equipped with the flowline being connected to the oil outlet chamber and the oil inlet pipe being connected to the oil suction chamber；
Snap ring, the snap ring include the stretch section for being spaced apart from each other setting in the filter cylinder circumferential direction of the foldable filter element and connecting
And rigid section, the rigid section inside are equipped with card slot, the internal diameter that the snap ring extends out state is greater than the foldable filter element top
Outer diameter, the snap ring are used to be sheathed on the incline of the filter cylinder periphery and the card slot and the filter cylinder periphery in a free state
Clamping；And
Snap ring fixed frame, one end are connect with the stretch section, and the other end is connect with the sealing cover.
Further, the snap ring fixed frame includes the fixation that both ends are connect with the stretch section and the sealing cover respectively
Bar.
Further, the outside of the stretch section is equipped with the elastic ear portion along the snap ring radially outwardly projecting, described solid
Fixed pole is connect with the elastic ear portion.
Further, the elastic ear portion be equipped with the foldable filter element axis it is parallel and with the grafting of described fixed link one end
First sleeve, the sealing cover is equipped with parallel and with the fixed link other end grafting second with the foldable filter element axis
Casing.
Further, the snap ring has the two or more that is axially distributed along the foldable filter element, the adjacent snap ring it
Between pass through connecting rod connect.
Further, the outside of the stretch section is equipped with the elastic ear portion along the snap ring radially outwardly projecting, the company
The both ends of extension bar are connect with the elastic ear portion of the two neighboring snap ring respectively.
Further, the elastic ear portion of the two neighboring snap ring is respectively equipped with parallel with the foldable filter element axis
Third casing, the third casing of the two neighboring snap ring be oppositely arranged and respectively with the both ends of the connecting rod insert
It connects.
Further, the cross section profile of the card slot is in the V-arrangement being open towards the snap ring axis.
Further, it is equipped with sealing supporting plate in the shell inner cavity, is set between the sealing supporting plate and the outer casing bottom
Have a compressed spring, the sealing supporting plate be located at the bottom end of the foldable filter element inner cavity and periphery and the foldable filter element bottom end it is interior
Week abuts sealing.
Further, the shell is connected with the sealing cover by pull rod；The outer casing bottom is equipped with the first perforation, institute
It states sealing supporting plate and is equipped with the second perforation, the sealing cover is perforated equipped with third, first perforation, second perforation and institute
Third perforation is stated to be arranged with the foldable filter element coaxial；The pull rod sequentially passes through first perforation, described second wears
Hole, the foldable filter element inner cavity and third perforation, the pull rod are perforated with the first perforation inner wall, described second respectively
Inner wall and third perforation inner wall are tightly connected.
The beneficial effect of folding type filter element private filter provided by the utility model is: compared with prior art, this
Utility model folding type filter element private filter, in use, inside the shell by foldable filter element installation, making card by elastic segment elongation
Ring extends out, and snap ring is crossed the filter cylinder periphery that foldable filter element top is set in foldable filter element, and snap ring affranchises state later, makes
The incline for obtaining card slot and filter cylinder periphery is clamped, and finally seals sealing cover and shell aperture.The incline of filter cylinder periphery passes through snap ring
It is connect with snap ring fixed frame with sealing cover, the incline of filter cylinder periphery is fixed, reduce the swing of filter paper when using, to improve folding
The filter effect of stacked filter core private filter, extends the service life of foldable filter element.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the cross-sectional view of folding type filter element private filter provided by the embodiment of the utility model；
Fig. 2 is cross-sectional view at the A-A of folding type filter element private filter in Fig. 1.
Wherein, each appended drawing reference in figure:
1- shell；2- filter cylinder；21- oil outlet chamber；22- oil suction chamber；3- sealing cover；31- flowline；32- oil inlet pipe；33-
Two casings；4- snap ring；41- card slot；42- elastic ear portion；43- first sleeve；44- third casing；45- stretch section；46- rigidity
Section；5- fixed link；6- connecting rod；7- seals supporting plate；8- pull rod；9- compressed spring.
Specific embodiment
In order to which technical problem to be solved in the utility model, technical solution and beneficial effect is more clearly understood, with
Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein
It applies example to be only used to explain the utility model, is not used to limit the utility model.
Also referring to Fig. 1 and Fig. 2, now folding type filter element private filter provided by the embodiment of the utility model is carried out
Explanation.Folding type filter element private filter, comprising:
Shell 1, top opening, for accommodating foldable filter element, and bottom connect with foldable filter element bottom end seal and will fold
Filter core inner cavity lower end closed, foldable filter element inner cavity form oil outlet chamber 21, and oil suction chamber 22 is formed between foldable filter element and shell 1；
Sealing cover 3, sealing are set to the opening of shell 1, and for connect with the end sealing of foldable filter element, and equipped with
The flowline 31 that oil outlet chamber 21 is connected to and the oil inlet pipe 32 being connected to oil suction chamber 22；
Snap ring 4, snap ring 4 include 45 He of stretch section for being spaced apart from each other setting in 2 circumferential direction of filter cylinder of foldable filter element and connecting
Rigid section 46, card slot 41 is equipped on the inside of rigid section 46, and the internal diameter that snap ring 4 extends out state is greater than the outer diameter on foldable filter element top, card
Ring 4 is used to be sheathed on 2 periphery of filter cylinder in a free state and card slot 41 and the incline of 2 periphery of filter cylinder are clamped；And
Snap ring fixed frame, one end are connect with stretch section 45, and the other end is connect with sealing cover 3.
Compared with prior art, the utility model folding type filter element private filter, in use, foldable filter element is mounted on
In shell 1, snap ring 4 is extended out by the elongation of stretch section 45, snap ring 4 is crossed into the filter that foldable filter element top is set in foldable filter element
2 peripheries of cylinder, snap ring 4 affranchises state later, so that card slot 41 and the incline of 2 periphery of filter cylinder are clamped, finally by sealing cover 3
It is open and seals with shell 1.The incline of 2 periphery of filter cylinder is connect by snap ring 4 and snap ring fixed frame with sealing cover 3, by 2 periphery of filter cylinder
Incline fix, reduce the swing of filter paper when using, to improve the filter effect of folding type filter element private filter, extend folding
The service life of folded filter core.
Specifically, general foldable filter element includes being separately positioned on 2 end of filter cylinder for the filter cylinder 2 of filtering and two
End cap, by end cap keep filter cylinder 2 in use it is indeformable.The first reciprocally bending formation enveloped of filter paper, then enveloped is first
Tail, which connects, to be circularized, and the filter cylinder 2 that periphery has incline is formed.4 internal diameter of snap ring for extending out state is greater than foldable filter element upper end cover
Outer diameter, enables snap ring 4 to cross foldable filter element upper end cover, and set is set on the periphery of filter cylinder 2.The stretch section 45 of snap ring 4 can be with
It is to be directly anchored on snap ring fixed frame, is also possible to be detachably arranged on snap ring fixed frame.Snap ring 4 is sheathed on filter cylinder 2
When periphery, snap ring 4 is in free state, avoids snap ring 4 from forming inward pressure to filter cylinder 2 and is squeezed and deformed filter cylinder 2.Rigid section
46 can be two curved plates fixed in parallel, and the inside of two curved plates is arranged in card slot 41.Stretch section 45 can be
The rubber strip of arc.The end of rubber strip is fixedly clamped by two curved plates, realizes that rigid section 46 is connect with stretch section 45.
Also referring to Fig. 1, now folding type filter element private filter provided by the embodiment of the utility model is illustrated.
Snap ring fixed frame includes the fixed link 5 that both ends are connect with stretch section 45 and sealing cover 3 respectively.By fixed link 5 by snap ring 4 with it is close
Capping 3 is fixed, in use, snap ring 4 is avoided to be subjected to displacement under the impact of lubricating oil, and filter cylinder 2 is caused to deform, and influences filtering effect
Fruit.Blocking to filter cylinder 2 can also be reduced using fixed link 5, improve filter efficiency.Snap ring 4 passes through stretch section 45 and fixed link 5
Connection guarantees that the rigid section 46 of snap ring 4 can be relative to 5 activity of fixed link, convenient for the incline card of card slot 41 and 2 periphery of filter cylinder
It connects.
Also referring to Fig. 1 and Fig. 2, now folding type filter element private filter provided by the embodiment of the utility model is carried out
Explanation.The outside of stretch section 45 is equipped with the elastic ear portion 42 along 4 radially outwardly projecting of snap ring, and fixed link 5 and elastic ear portion 42 connect
It connects.Specifically, elastic ear portion 42 is located at the periphery of snap ring 4, and is integrally formed with stretch section 45, make snap ring 4 and fixed link 5 it
Between form elastic connection, expand outwardly snap ring 4 more flexible, avoid fixed link 5 from limiting snap ring 4 and extend out.
Also referring to Fig. 1 and Fig. 2, now folding type filter element private filter provided by the embodiment of the utility model is carried out
Explanation.Elastic ear portion 42 is equipped with first sleeve 43 parallel and with 5 one end grafting of fixed link with foldable filter element axis, sealing cover 3
Equipped with the second casing 33 parallel with foldable filter element axis and with 5 other end grafting of fixed link.
Specifically, it can be realized being detachably connected for elastic ear portion 42 and fixed link 5 by way of grafting, be conducive to snap ring
4 Fast Installation.And can by replacing the fixed link 5 of different length, so that 4 sets of the snap ring different locations in filter cylinder 2,
The different location of 2 periphery incline of filter cylinder is fixed.
Also referring to Fig. 1, now folding type filter element private filter provided by the embodiment of the utility model is illustrated.
Snap ring 4 has the two or more being axially distributed along foldable filter element, is connected between adjacent snap ring 4 by connecting rod 6.It is more than two
Snap ring 4 is sleeved on the different location of filter cylinder 2, and the different location of 2 periphery incline of filter cylinder is fixed, filter cylinder 2 can be preferably avoided
Deformation.Blocking to filter cylinder 2 can also be reduced using connecting rod 6, improve filter efficiency.
Also referring to Fig. 1 and Fig. 2, now folding type filter element private filter provided by the embodiment of the utility model is carried out
Explanation.The outside of stretch section 45 be equipped with along 4 radially outwardly projecting of snap ring elastic ear portion 42, the both ends of connecting rod 6 respectively with phase
The elastic ear portion 42 of adjacent two snap rings 4 connects.
Specifically, stretch section 45 and elastic ear portion 42 can be rubber material integrated molding, make snap ring 4 and connecting rod 6 it
Between form elastic connection, expand outwardly snap ring 4 more flexible, avoid connecting rod 6 from limiting snap ring 4 and extend out.
Also referring to Fig. 1, now folding type filter element private filter provided by the embodiment of the utility model is illustrated.
The elastic ear portion 42 of two neighboring snap ring 4 is respectively equipped with the third casing 44 parallel with foldable filter element axis, two neighboring snap ring 4
Third casing 44 be oppositely arranged and respectively with the both ends grafting of connecting rod 6.
Specifically, for multiple snap rings 4 successively along 2 axial alignment of filter cylinder, two adjacent snap rings 4 pass through third casing 44 respectively
It is plugged in together with connecting rod 6.It is fixedly connected, is realized with sealing cover 3 by fixed link 5 with the immediate snap ring 4 of sealing cover 3
The fixation of all snap rings 4.By replacing the connecting rod 6 of different length, the spacing of two snap rings 4 is adjusted, can be filtered according to water suction
Layer hardness, selects appropriate number of snap ring 4, reduces the deformation of filter cylinder 2.First sleeve 43 and third casing on same snap ring 4
44 are coaxially disposed and are located at the two sides up and down of snap ring 4, and connecting rod 6 and fixed link 5 are coaxially disposed, make stress more
Adduction reason.More specifically, hard steel pipe axially penetrates through elastic ear portion 42 along foldable filter element, first sleeve 43 and third casing 44 can
To be the upper and lower ends of hard steel pipe, so that fixed link 5 and connecting rod 6 are fixed.
Referring to Figure 2 together, now folding type filter element private filter provided by the embodiment of the utility model is illustrated.
The cross section profile of card slot 41 is in the V-arrangement being open towards 4 axis of snap ring.So that card slot 41 is more bonded with the incline of 2 periphery of filter cylinder,
The positioning of the incline of 2 periphery of filter cylinder can be made more acurrate.
Also referring to Fig. 1, now folding type filter element private filter provided by the embodiment of the utility model is illustrated.
It is equipped with sealing supporting plate 7 in 1 inner cavity of shell, seals and is equipped with compressed spring 9 between supporting plate 7 and 1 bottom of shell, sealing supporting plate 7 is located at
The bottom end and periphery of foldable filter element inner cavity abut sealing with the inner circumferential of foldable filter element bottom end.
Specifically, in use, sealing supporting plate 7 is supported on the lower section of foldable filter element, compressed spring 9 is that sealing supporting plate 7 provides
Upward support force, so that sealing supporting plate 7 is abutted with the inner circumferential of foldable filter element bottom end and by the bottom end closure of foldable filter element inner cavity.
Also referring to Fig. 1, now folding type filter element private filter provided by the embodiment of the utility model is illustrated.
Shell 1 and sealing cover 3 are connected by pull rod 8；1 bottom of shell is equipped with the first perforation, and sealing supporting plate 7 is equipped with the second perforation, sealing
Lid 3 is perforated equipped with third, and the first perforation, the second perforation and third perforation are arranged with foldable filter element coaxial；Pull rod 8 is successively
Across the first perforation, the second perforation, foldable filter element inner cavity and third perforation, pull rod 8 is perforated with the first perforation inner wall, second respectively
Inner wall and third perforation inner wall are tightly connected.
Specifically, pull rod 8 sequentially passes through 1 bottom of shell, sealing supporting plate 7, foldable filter element and sealing cover 3, both ends respectively with
1 bottom of shell and sealing cover 3 are fixed, sealing cover 3 are pressed in the opening of shell 1, realize sealing cover 3 by the opening of shell 1
Sealing, while sealing cover 3 abuts with the end cap on foldable filter element top and is formed sealing, sealing supporting plate 7 and foldable filter element bottom end
End cap abuts and is formed sealing, forms the oil outlet chamber 21 mutually completely cut off and oil suction chamber 22.Flowline 31 is arranged in sealing cover 3
The heart is simultaneously connected to oil outlet chamber 21, and oil inlet pipe 32 is arranged in the edge of sealing cover 3 and is connected to oil suction chamber 22.First perforation, second
The inner wall of perforation and third perforation is equipped with gasket, and pull rod 8 is connect with each aperture seal respectively, is guaranteed fuel-displaced
The leakproofness of chamber 21 and oil suction chamber 22 avoids leaking.More specifically, pull rod 8 can be bolt, one end nut and 1 bottom of shell
It abuts, the nut of the other end is abutted with sealing cover 3.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle
Within the scope of shield.
Claims (10)
1. a kind of folding type filter element private filter characterized by comprising
Shell (1), top opening, for accommodating foldable filter element, and bottom is connect and by institute with the foldable filter element bottom end seal
Foldable filter element inner cavity lower end closed is stated, the foldable filter element inner cavity forms oil outlet chamber (21), the foldable filter element and the shell
(1) oil suction chamber (22) are formed between；
Sealing cover (3), sealing are set to the opening of the shell (1), and for connecting with the end sealing of the foldable filter element,
And it is equipped with the flowline (31) being connected to the oil outlet chamber (21) and the oil inlet pipe (32) being connected to the oil suction chamber (22)；
Snap ring (4), the snap ring (4) include being spaced apart from each other setting in filter cylinder (2) circumferential direction of the foldable filter element and connecting
Stretch section (45) and rigid section (46), rigid section (46) inside are equipped with card slot (41), and the snap ring (4) extends out the interior of state
Diameter is greater than the outer diameter on the foldable filter element top, and the snap ring (4) for being sheathed on the filter cylinder (2) periphery in a free state
And the incline of the card slot (41) and the filter cylinder (2) periphery is clamped；And
Snap ring fixed frame, one end are connect with the stretch section (45), and the other end is connect with the sealing cover (3).
2. folding type filter element private filter as described in claim 1, it is characterised in that: the snap ring fixed frame includes both ends
The fixed link (5) being connect respectively with the stretch section (45) and the sealing cover (3).
3. folding type filter element private filter as claimed in claim 2, it is characterised in that: set on the outside of the stretch section (45)
There is the elastic ear portion (42) along the snap ring (4) radially outwardly projecting, the fixed link (5) and the elastic ear portion (42) are even
It connects.
4. folding type filter element private filter as claimed in claim 3, it is characterised in that: the elastic ear portion (42) be equipped with
The foldable filter element axis is parallel and the first sleeve (43) with the fixed link (5) one end grafting, the sealing cover (3) are equipped with
Second casing (33) parallel with the foldable filter element axis and with the fixed link (5) other end grafting.
5. folding type filter element private filter as described in claim 1, it is characterised in that: the snap ring (4) has along described
The two or more that foldable filter element is axially distributed is connected by connecting rod (6) between the adjacent snap ring (4).
6. folding type filter element private filter as claimed in claim 5, it is characterised in that: set on the outside of the stretch section (45)
Have an elastic ear portion (42) along the snap ring (4) radially outwardly projecting, the both ends of the connecting rod (6) respectively with two neighboring institute
State the elastic ear portion (42) connection of snap ring (4).
7. folding type filter element private filter as claimed in claim 6, it is characterised in that: the two neighboring snap ring (4)
The elastic ear portion (42) is respectively equipped with the third casing (44) parallel with the foldable filter element axis, the two neighboring snap ring
(4) the third casing (44) is oppositely arranged and the both ends grafting with the connecting rod (6) respectively.
8. folding type filter element private filter as described in any one of claim 1 to 7, it is characterised in that: the card slot (41)
Cross section profile in opening towards the snap ring (4) axis V-arrangement.
9. folding type filter element private filter as described in any one of claim 1 to 7, it is characterised in that: in the shell (1)
It is equipped with sealing supporting plate (7) in chamber, is equipped with compressed spring (9) between the sealing supporting plate (7) and the shell (1) bottom, it is described
Sealing supporting plate (7) is located at the bottom end of the foldable filter element inner cavity and periphery and abuts sealing with the inner circumferential of the foldable filter element bottom end.
10. folding type filter element private filter as claimed in claim 9, it is characterised in that: the shell (1) and the sealing
(3) are covered to connect by pull rod (8)；Shell (1) bottom is equipped with the first perforation, and the sealing supporting plate (7) is equipped with the second perforation,
The sealing cover (3) is perforated equipped with third, first perforation, second perforation and third perforation and the folding
The setting of filter core coaxial；The pull rod (8) sequentially passes through first perforation, second perforation, in the foldable filter element
Chamber and third perforation, the pull rod (8) respectively with the first perforation inner wall, the second perforation inner wall and third
Inner wall of perforating is tightly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822118629.2U CN209548828U (en) | 2018-12-17 | 2018-12-17 | Folding type filter element private filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822118629.2U CN209548828U (en) | 2018-12-17 | 2018-12-17 | Folding type filter element private filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209548828U true CN209548828U (en) | 2019-10-29 |
Family
ID=68302553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822118629.2U Active CN209548828U (en) | 2018-12-17 | 2018-12-17 | Folding type filter element private filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209548828U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577422A (en) * | 2020-05-28 | 2020-08-25 | 蚌埠嘉和隆鑫滤清器有限公司 | Oil filter capable of automatically replacing filter paper |
| CN112892000A (en) * | 2021-03-09 | 2021-06-04 | 飞潮（无锡）过滤技术有限公司 | Filter element mounting structure of coalescence filter |
| CN115350517A (en) * | 2022-08-01 | 2022-11-18 | 黄山艾肯机械制造有限公司 | Efficient cloth bag filter |
| WO2023087478A1 (en) * | 2021-12-20 | 2023-05-25 | 亿茂环境科技股份有限公司 | Filter device |
-
2018
- 2018-12-17 CN CN201822118629.2U patent/CN209548828U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577422A (en) * | 2020-05-28 | 2020-08-25 | 蚌埠嘉和隆鑫滤清器有限公司 | Oil filter capable of automatically replacing filter paper |
| CN111577422B (en) * | 2020-05-28 | 2021-11-02 | 蚌埠嘉和隆鑫滤清器有限公司 | Oil filter capable of automatically replacing filter paper |
| CN112892000A (en) * | 2021-03-09 | 2021-06-04 | 飞潮（无锡）过滤技术有限公司 | Filter element mounting structure of coalescence filter |
| WO2023087478A1 (en) * | 2021-12-20 | 2023-05-25 | 亿茂环境科技股份有限公司 | Filter device |
| CN115350517A (en) * | 2022-08-01 | 2022-11-18 | 黄山艾肯机械制造有限公司 | Efficient cloth bag filter |
| CN115350517B (en) * | 2022-08-01 | 2024-03-15 | 黄山艾科装备科技有限公司 | Efficient sack filter |
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