CN110772874B - Filter element with installation guide device - Google Patents
Filter element with installation guide device Download PDFInfo
- Publication number
- CN110772874B CN110772874B CN201911164118.7A CN201911164118A CN110772874B CN 110772874 B CN110772874 B CN 110772874B CN 201911164118 A CN201911164118 A CN 201911164118A CN 110772874 B CN110772874 B CN 110772874B
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- Prior art keywords
- filter
- central column
- installation guide
- shoulder
- installation
- Prior art date
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- 238000009434 installation Methods 0.000 title claims abstract description 50
- 238000007789 sealing Methods 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000012530 fluid Substances 0.000 description 13
- 239000007788 liquid Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000004581 coalescence Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000003245 working effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
- B01D35/30—Filter housing constructions
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention aims to provide a filter element with an installation guide device, which is used for solving the problems in the prior art and comprises a central column, a first filter medium, a second filter medium, an upper end cover and a lower end cover, wherein the first filter medium and the second filter medium surround the central column, the upper end cover and the lower end cover are connected with two ends of the central column, the central column comprises a filter section, an installation guide section and a connecting end which are sequentially arranged from top to bottom, the installation guide section is provided with the installation guide device, and the installation guide device at least comprises a plurality of high keys and a plurality of low keys which are respectively distributed circumferentially around the axis of the central column. Through this filter core of taking installation guider, can realize the filter core and conveniently aim at the installation when changing in the filter casing, and its simple structure, production replacement cost is low.
Description
Technical Field
The invention relates to the technical field of fluid filtering devices, in particular to a filter element with an installation guide device.
Background
The filter element separates solid particles in liquid or gas, or makes different substance components fully contact, quickens the reaction time, can protect the normal work of equipment or the cleaning of air, and when fluid enters the filter element provided with a filter screen with certain specification, the impurity of the fluid is blocked, and clean fluid flows out through the filter element. The liquid filter element can clean the polluted liquid (including oil, water and the like) to the state required by production and life, namely, the liquid reaches a certain cleanliness.
The filter element is generally installed in a filter shell which is positioned in a fluid passage and can isolate the external environment for working, and a safety and a valve which are closed for replacing the filter element in the fluid passage are opened through a filter element structure in order to stabilize the working effect during working. In the existing installation process, an installer is required to manually insert the filter element into the filter housing and adjust the position of the filter element under the condition of no view to try alignment of the mating structure, resulting in troublesome installation and low efficiency. Meanwhile, the filter element partially adopting the spiral track type automatic guiding function is complex in structure and high in production cost.
Disclosure of Invention
The invention aims to provide a filter element with an installation guide device, which is used for solving the problems in the prior art, can realize convenient alignment installation when the filter element is replaced in a filter shell, and has simple structure and low production and replacement cost.
In order to achieve the aim of the invention, the invention adopts the following technical scheme:
the utility model provides a take installation guider's filter core, includes the center post, around first filter medium of center post and connect in upper end cover and the lower extreme at center post both ends, first filter medium is the water coalescence layer, and its second filter medium that still is equipped with including impurity filter layer and water accumulation layer, the center post includes filter section, installation direction section and the link that sets gradually from top to bottom, there is installation guider in the installation direction section, installation guider includes each a plurality of respectively around center post axis circumference distribution's high key and low key at least.
Preferably, the Gao Jian end portion is provided with a guide driving portion extending downward.
Preferably, the installation guiding device further comprises a ring shell, the high key and the low key are integrally formed on the inner wall of the ring shell, and the ring shell is rotatably embedded in the installation guiding section.
Preferably, the central column further comprises a connecting neck between the filter segment and the mounting guide segment, the connecting neck comprising a base plate extending inwardly from an inner wall of the central column, a first shoulder extending downwardly from the base plate, and at least one second shoulder extending upwardly from the base plate.
Preferably, the filter further comprises at least one inner filter column, wherein the inner filter column is coaxially arranged in the central column in a penetrating way, and the lower end of the inner filter column is clamped to the second shoulder.
Preferably, the lower end cover comprises an annular lower cover plate and a blocking shoulder extending upwards from an inner hole of the lower cover plate, the outer diameter of the blocking shoulder is smaller than the inner diameter of the connecting end of the central column, and the upper end and the lower end of the annular shell are respectively abutted against the first shoulder and the blocking shoulder.
Preferably, the connecting end, the retaining shoulder and the filter medium enclose a labyrinth cavity.
Preferably, the labyrinth cavity is internally provided with a sealing ring with three surfaces wrapping the connecting end.
Preferably, the central hole is concentrically arranged in the middle of the substrate, and the edge of the central hole is provided with a sealing part.
Preferably, the outer side of the installation guide section is provided with a plurality of reinforcing ridges.
The invention has the beneficial effects that: the structure of the high-low key can realize more convenient guiding and positioning functions for the installation of the filter element; the part can realize free rotation relative to the filter element by the rotatability of the installation guide device, so that the rotation positioning and the opening of the safety and the valve can be automatically realized without adjusting the filter element, and the installation convenience is further improved; the filter element has simple integral structure and small volume, does not have a complex guide structure, is convenient to install and saves production cost.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic view of the structure of the installation guide section of the present invention;
FIG. 3 is an enlarged schematic view of FIG. 1A according to the present invention;
FIG. 4 is a schematic view of a center pillar according to the present invention;
the drawings are respectively as follows: 11 center column, 111 filter section, 112 installation guide section, 113 connecting end, 114 reinforcing ridge, 121 first filter medium, 122 second filter medium, 13 upper end cover, 14 lower end cover, 141 lower cover plate, 142 baffle shoulder, 143 labyrinth cavity, 144 sealing ring, 2 installation guide device, 21 high key, 211 guide driving part, 22 low key, 23 ring shell, 3 connecting neck, 31 base plate, 311 center hole, 312 sealing part, 32 first shoulder, 33 second shoulder, 4 inner filter column.
Detailed Description
The invention is described in detail below with reference to the attached drawing figures:
a filter cartridge with installation guide means as shown in fig. 1, 2, 3, and 4 includes a center pillar 11, a first filter medium 121 as a water coalescing layer made of a water coalescing medium surrounding the center pillar 11, a second filter medium 122 comprising an impurity filtering layer supported by the filter medium and a water coalescing layer coated outside the first filter medium 121, and upper and lower end caps 13 and 14 connected to both ends of the center pillar 11 by thermal welding. The first filter medium 121 and the second filter medium 122 are combined to form the structure of an equivalent coalescing filter element, the coalescing filter element is formed by processing a plurality of composite materials through a special process, has hydrophilic property, not only can filter mechanical impurities in the media, but also can separate water in an emulsified state from the media through demulsification and coalescence, and coalesce into larger water drops, so that the purification of the media is further realized. The central column 11 includes a filtering section 111, a mounting guide section 112 and a connecting end 113 which are sequentially injection molded and integrally formed from top to bottom and are used for passing filtered fluid, a mounting guide device 2 (which can be relatively rotatable in this embodiment or can be integrally formed and not rotatable in other embodiments) is arranged in the mounting guide section 112, the mounting guide device 2 in this embodiment at least includes four (which can be other number meeting the requirement in other preferred embodiments) high keys 21 and low keys 22 which are uniformly distributed around the axis circumference of the central column 11 respectively, and the high keys 21 and the low keys 22 are staggered in this embodiment.
In this embodiment, the end of the high key 21 extends downward to form a guiding driving portion 211, and the guiding driving portion 211 extends downward from the lower end surface of the high key 21, which is a structure with a decreasing downward width until a tip is formed at the end, and two sides extending to the tip are straight inclined surfaces or curved surfaces with inward openings. When the filter element is inserted into the filter housing, the guide driving part 211 is firstly contacted with the groove/track for embedding the filter element in the filter housing because the tail end position is the most downward, and the high key 21 is guided to be embedded into the corresponding position by the contact guiding action of the two side surfaces of the guide driving part, so that the installation error rate of an installer under the condition of no vision is reduced (in order to avoid the high key 21 from being erroneously inserted into the corresponding position of the low key 22, the width of the high key 21 is preferably larger than that of the low key 22, namely, the high key 21 is not inserted into the corresponding groove/track of the low key 22), and the low key 22 with the fixed relative position is guided to be clamped into the corresponding groove/track simultaneously. Meanwhile, it is preferable that a valve or a safety driving part for opening a fluid passage in a filter housing is provided at the end of the groove/rail, and the valve or safety driving part is pressed downward to open the passage after the upper key 21 and the lower key 22 are inserted, thereby realizing the functions of installation guide and driving the valve cartridge or safety with a simple structure.
The installation guiding device 2 in this embodiment further includes a ring shell 23, where the ring shell 23 is rotatably embedded in the installation guiding section 112, that is, when the filter housing is inserted, the circumferential rotation adjustment required by the guiding insertion installation action of the high key 21 is directly completed by the rotation of the ring shell 23 itself, and the installer only needs a simple insertion action to complete the corresponding guiding installation (in order to ensure that the ring shell 23 can effectively rotate, it is preferable that the opening of the groove/track corresponding to the filter housing is provided with a guiding surface with a certain gradient, so that the insertion force of the installer will separate the lateral force of the horizontal direction pushing the ring shell 23 to rotate to realize the guiding installation when the guiding surface contacts with the guiding driving portion 211 of the high key 21). Meanwhile, the filter element can rotate around the axis of the filter element after being installed by leaning on the embedded structure of the high key 21 and the low key 22, but the problems of influence on safety and work caused by shaking, loosening and the like of the axis of the filter element cannot occur, and the filter element is similar to a revolving body, so that the working effect is not influenced by simple rotation.
In this embodiment, the central column 11 further includes a connecting neck 3 disposed between the filtering section 111 and the installation guiding section 112, and the connecting neck 3 includes an annular base plate 31 extending inward from an inner wall of the central column 11, a first shoulder 32 extending downward from the base plate 31, and a second shoulder 33 extending upward from the base plate 31.
In this embodiment, the filter further includes an inner filter column 4, the inner filter column 4 is a porous column, and the pore filter screen of metal or other materials is covered in the pore to realize multi-stage filtration of the filter core so as to improve the filtering cleaning effect, the inner filter column 4 is coaxially arranged in the central column 11 in a penetrating manner, and the lower end of the inner filter column 4 is clamped to the side surface of the second shoulder 33 through a ridge groove structure arranged on the side surface of the inner filter column. (when a plurality of inner filter columns 4 are installed, the inner filter columns 4 are sequentially sleeved with each other in a manner of being enlarged and reduced from large to small in a certain proportion, and the corresponding second shoulders 33 are also a plurality of corresponding concentric annular structures). Meanwhile, the central hole 311 through which the fluid channel of the filter housing from which the filtered fluid flows is concentrically disposed in the middle of the substrate 31 in this embodiment, and the sealing portion 312 with a multi-fold spring structure is integrally formed at the edge of the central hole 311, because the sealing portion 312 is formed by injection molding, and has a certain elasticity supported by plastic materials, it is compressed by extrusion after the fluid channel of the filter housing is inserted and is sealed and wrapped on the side surface of the fluid channel with a corresponding elastic force to form a seal, in this embodiment, it is a two-stage structure with an upward opening, and the upward opening structure can further play a role in blocking the fluid leakage.
In this embodiment, the lower end cover 14 includes an annular lower cover plate 141 and a shoulder 142 extending upward from an inner hole of the lower cover plate 141, the outer diameter of the shoulder 142 is smaller than the inner diameter of the connecting end 113 of the central column 11, and the upper and lower ends of the annular shell 23 respectively abut against the first shoulder 32 and the shoulder 142, so as to realize stable positioning of the installation guide device 2 in the axial direction of the filter element, and prevent the play/shake of the installation guide device from affecting the installation stability.
In this embodiment, the connecting end 113, the shoulder 142 and the filter medium 12 enclose a labyrinth cavity 143. The labyrinth cavity 143 is embedded with the sealing ring 144 with three surfaces wrapped on the connecting end 113, so that the effective sealing of the joint of the central column 11 and the lower end cover 14 is realized, and the problem of possible sealing inaccuracy and leakage caused by the rotatable installation positioning device 2 is prevented.
In this embodiment, a plurality of spiral-shaped reinforcing ridges 114 are provided on the outer side of the installation guide section 112 to reinforce the structural strength thereof.
The above examples are only illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solution of the present invention fall within the scope of the present invention, and the technical content claimed by the present invention is fully described in the claims.
Claims (4)
1. The filter element with the installation guide device comprises a central column (11), a first filter medium (121) surrounding the central column (11) and an upper end cover (13) and a lower end cover (14) connected to two ends of the central column (11), and is characterized in that the first filter medium (121) is a water coalescing medium, and is further provided with a second filter medium (122) comprising an impurity filter layer and a water collecting layer, the central column (11) comprises a filter section (111), an installation guide section (112) and a connecting end (113) which are sequentially arranged from top to bottom, the installation guide section (112) is provided with an installation guide device (2), and the installation guide device (2) at least comprises a plurality of high keys (21) and low keys (22) which are circumferentially distributed around the axis of the central column (11) respectively;
the end part of the Gao Jian (21) is provided with a guide driving part (211) in a downward extending mode, the guide driving part (211) is of a structure extending downwards from the lower end face of the high key (21), the downward width of the guide driving part is gradually reduced until a tip is formed at the tail end, and two side faces extending to the tip are straight inclined faces or curved faces with inward openings;
the central column (11) further comprises a connecting neck (3) between the filtering section (111) and the mounting guide section (112), the connecting neck (3) comprising a base plate (31) extending inwardly from the inner wall of the central column (11), a first shoulder (32) extending downwardly from the base plate (31) and at least one second shoulder (33) extending upwardly from the base plate (31);
the installation guide device (2) further comprises a ring shell (23), the Gao Jian (21) and the low key (22) are integrally formed on the inner wall of the ring shell (23), and the ring shell (23) is rotatably embedded in the installation guide section (112);
the lower end cover (14) comprises an annular lower cover plate (141) and a blocking shoulder (142) extending upwards from an inner hole of the lower cover plate (141), the outer diameter of the blocking shoulder (142) is smaller than the inner diameter of the connecting end (113) of the central column (11), and the upper end and the lower end of the annular shell (23) are respectively stopped against the first shoulder (32) and the blocking shoulder (142);
the connecting end (113), the retaining shoulder (142) and the filter medium (12) are enclosed to form a labyrinth cavity (143), and a sealing ring (144) wrapping the connecting end (113) on three sides is embedded in the labyrinth cavity (143), so that effective sealing of the joint of the central column (11) and the lower end cover (14) is realized, and the problem of sealing leakage caused by the rotatable installation guide device (2) is prevented.
2. The filter element with the installation guide device according to claim 1, further comprising at least one inner filter column (4), wherein the inner filter column (4) is coaxially arranged in the central column (11), and the lower end of the inner filter column (4) is clamped to the second shoulder (33).
3. A cartridge with mounting guide according to claim 1, characterized in that the central part of the base plate (31) is concentrically provided with a central hole (311), the edge of the central hole (311) being provided with a sealing part (312).
4. A cartridge with mounting guide according to claim 1, characterized in that the mounting guide section (112) is provided with reinforcing ridges (114) on the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911164118.7A CN110772874B (en) | 2019-11-25 | 2019-11-25 | Filter element with installation guide device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911164118.7A CN110772874B (en) | 2019-11-25 | 2019-11-25 | Filter element with installation guide device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110772874A CN110772874A (en) | 2020-02-11 |
| CN110772874B true CN110772874B (en) | 2023-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911164118.7A Active CN110772874B (en) | 2019-11-25 | 2019-11-25 | Filter element with installation guide device |
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| CN (1) | CN110772874B (en) |
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| CN110772874A (en) | 2020-02-11 |
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