CN110772874A - Filter element with installation guide device - Google Patents
Filter element with installation guide device Download PDFInfo
- Publication number
- CN110772874A CN110772874A CN201911164118.7A CN201911164118A CN110772874A CN 110772874 A CN110772874 A CN 110772874A CN 201911164118 A CN201911164118 A CN 201911164118A CN 110772874 A CN110772874 A CN 110772874A
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- China
- Prior art keywords
- filter
- installation guide
- installation
- shoulder
- column
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000009434 installation Methods 0.000 title claims abstract description 56
- 238000007789 sealing Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000004581 coalescence Methods 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 description 9
- 238000001914 filtration Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000003245 working effect Effects 0.000 description 2
- 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
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000839 emulsion 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
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting 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
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 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
- 239000000758 substrate 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 and a second filter medium which surround the central column, and an upper end cover and a lower end cover which are connected to two ends of the central column, wherein 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 device is arranged in the installation guide section, and the installation guide device at least comprises a plurality of high keys and low keys which are respectively distributed circumferentially around the axis of the central column. Through this take installation guider's filter core, can realize the convenient alignment installation of filter core when changing in the filter casing, and its simple structure, the 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 material components fully contact, so that the reaction time is shortened, the normal work of equipment or the cleanness of air can be protected, when fluid enters the filter element with a filter screen with a certain specification, impurities are blocked, and clean fluid flows out through the filter element. The liquid filter element makes the liquid (including oil, water, etc.) clean the polluted liquid to the state required by production and life, namely, the liquid reaches a certain cleanliness.
The filter element is generally installed in a filter casing which is positioned in a fluid passage and can isolate the external environment for working, and in order to stabilize the working effect and open a safety valve and a valve which are closed for replacing the filter element in the fluid passage through the filter element structure during working, corresponding matching structures (such as key matching, guide rail sliding block matching and the like) are generally arranged on the filter casing and the filter element to realize the guiding positioning during installation and push the safety valve and the valve open. 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 without visual field to try to align the mating structure, resulting in troublesome installation and low efficiency. Meanwhile, the filter element partially adopting the spiral track type automatic guiding function has a complex structure and high 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.
In order to realize the purpose 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, centers on the first filter media of center post and connect in the upper end cover and the bottom end cover at center post both ends, first filter media is the coalescence layer, and it still is equipped with the second filter media including impurity filter layer and coalescence layer outward, the center post is including the filter segment that from top to bottom sets gradually, installation guide section and link, there is installation guider in the installation guide section, installation guider includes at least that each a plurality of winds respectively center post axis circumference distributes high key and low key.
Preferably, the high key end is provided with a guide driving part extending downward.
Preferably, the installation guide device further comprises an annular shell, the high key and the low key are integrally formed on the inner wall of the annular shell, and the annular shell is rotatably embedded in the installation guide section.
Preferably, the center post further comprises a connecting neck portion between the filtering section and the installation guide section, wherein the connecting neck portion comprises a base plate extending inward from an inner wall of the center post, a first shoulder portion extending downward from the base plate, and at least one second shoulder portion extending upward from the base plate.
Preferably, the filter further comprises at least one inner filter column, the inner filter column coaxially penetrates through the center column, and the lower end of the inner filter column is clamped on the second shoulder.
Preferably, the lower end cover comprises an annular lower cover plate and a retaining shoulder extending upwards from an inner hole of the lower cover plate, the outer diameter of the retaining 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 respectively abut against the first shoulder and the retaining shoulder.
Preferably, the connecting end, the retaining shoulder and the filter medium enclose a labyrinth cavity.
Preferably, a sealing ring with three surfaces wrapping the connecting end is arranged in the labyrinth cavity.
Preferably, the substrate is concentrically provided with a central hole in the middle, and a sealing part is arranged at the edge of the central hole.
Preferably, a plurality of reinforcing ridges are arranged on the outer side of the installation guide section.
The invention has the beneficial effects that: the more convenient guiding and positioning function during the installation of the filter element can be realized through the structure of the high and low keys; the rotatable installation guide device can enable the part to freely rotate relative to the filter element, so that the filter element is further unnecessary to be adjusted, and the rotary positioning and the opening of the safety device and the valve can be automatically realized, so that 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 the production cost.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic diagram of the present invention at the installation guide section;
FIG. 3 is an enlarged view of the invention at A in FIG. 1;
FIG. 4 is a schematic view of a center post structure of the present invention;
the items in the figure are respectively: 11 center post, 111 filter segment, 112 installation guide segment, 113 connection 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 block 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 connection neck, 31 base plate, 311 center hole, 312 sealing part, 32 first shoulder, 33 second shoulder, 4 internal filter column.
Detailed Description
The invention is described in detail below with reference to the attached drawing figures:
the filter element with the installation guide device as shown in fig. 1, 2, 3 and 4 comprises a central column 11, a first filter medium 121 which is made of a water coalescing medium and is used as a water coalescing layer and surrounds the central column 11, a second filter medium 122 which is wrapped outside the first filter medium 121 and is formed by combining an impurity filtering layer supported by the filter medium and the water coalescing layer, and an upper end cover 13 and a lower end cover 14 which are connected with two ends of the central column 11 through hot melting welding. The combination of the first filter medium 121 and the second filter medium 122 forms an equivalent coalescing filter element structure, the coalescing filter element is made of various composite materials through a special process, has hydrophilic characteristics, can filter mechanical impurities in the medium, can separate emulsified water from the medium through emulsion breaking and coalescence, and can coalesce into larger water drops, so that the medium can be further purified. Center post 11 is including the square hole column that from top to bottom injection moulding in proper order set up and supplies the filter segment 111 that the fluid filtered passes through, installation guide section 112 and link 113, be equipped with installation guider 2 in installation guide section 112 (relative rotatable in this embodiment, also can be integrated into one piece unrotatable in other embodiments), installation guider 2 in this embodiment includes respectively four at least (can be for satisfying other quantity of demand in other preferred embodiments) respectively around center post 11 axis circumference equipartition high key 21 and low key 22, high key 21 and low key 22 are crisscross interval setting in this embodiment.
In this embodiment, the end of the high key 21 extends downward to form a guiding driving portion 211, the guiding driving portion 211 extends downward from the lower end of the high key 21, and in this embodiment, the guiding driving portion has a structure with a downward width gradually decreasing until a tip is formed at the end, and two side surfaces extending to the tip are flat inclined surfaces or curved surfaces with inward openings. When the filter element is inserted into the filter housing, the guide driving portion 211, because the end position is the lowest, first contacts with the groove/rail for fitting with the filter housing, and guides the high key 21 to be inserted into the corresponding position by the contact guiding action of the two side surfaces thereof, thereby reducing the installation error rate of the installer without visual field (in order to avoid the high key 21 being inserted into the corresponding position of the low key 22 by mistake, it is preferable to set the width of the high key 21 to be larger than that of the low key 22, that is, not to be inserted into the groove/rail corresponding to the low key 22), and the high key 21 is inserted while guiding the low key 22 with fixed relative position to the corresponding groove/rail to be inserted into the corresponding groove/rail. Meanwhile, it is preferable to provide a valve or a safety driving part for opening a fluid passage in the filter housing at the end of the groove/rail, and to press the valve or the safety driving part downward to open the passage after the high key 21 and the low key 22 are inserted, thereby realizing the functions of installation guide and driving the valve cartridge or the safety with a simple structure.
The installation guide device 2 in this embodiment further includes an annular shell 23, the annular shell 23 can be rotatably embedded in the installation guide section 112, that is, when inserting the filter housing, the circumferential rotation adjustment required by the guiding insertion installation action of the high key 21 is directly completed by the rotation of the annular shell 23 itself, and the installer can complete the corresponding guiding installation only by a simple insertion action (to ensure that the annular shell 23 can effectively rotate, it is preferable that a guide surface with a certain gradient is provided at the opening of the groove/track corresponding to the filter housing, so that the insertion force of the installer can break out the lateral force which horizontally pushes the annular shell 23 to rotate to realize the guiding installation at the contact position of the guide surface and the guiding driving part 211 of the high key 21). Meanwhile, by means of the embedded structure of the high key 21 and the low key 22, the filter element can rotate around the axis after being installed, but the problems of safety and work influenced by shaking, loosening and the like deviated from the axis can be avoided, and the simple rotation does not influence the working effect of the filter element because the filter element is similar to a revolving body.
In this embodiment, the central pillar 11 further includes a connecting neck portion 3 disposed between the filtering section 111 and the installation guide section 112, and the connecting neck portion 3 includes an annular base plate 31 extending inward from an inner wall of the central pillar 11, a first shoulder portion 32 extending downward from the base plate 31, and a second shoulder portion 33 extending upward from the base plate 31.
In this embodiment, still include one interior filter column 33, interior filter column 33 is porous cylinder, and its downthehole pore filter screen that covers has metal or other materials realizes the multi-stage filtration of filter core in order to improve and filter clean effect, and interior filter column 33 is coaxial to be worn to locate in center post 11, and interior filter column 33 lower extreme passes through the ridge groove structure joint of its side setting in second shoulder 33 side. (when a plurality of inner filter columns 33 are installed, the inner filter columns 33 are in a sequential sleeved structure which is enlarged and reduced from large to small in a certain proportion, and the corresponding second shoulder parts 33 are also in a plurality of corresponding concentric ring structures). Meanwhile, the central hole 311 through which the fluid passage of the filter housing for the filtered fluid to flow out passes is concentrically disposed in the middle of the base plate 31 in this embodiment, and the sealing portion 312 in the form of a multi-fold spring structure is integrally formed at the edge of the central hole 311.
In this embodiment, the lower end cap 14 includes an annular lower cover plate 141 and a shoulder 142 extending upward from an inner hole of the lower cover plate 141, an outer diameter of the shoulder 142 is smaller than an inner diameter of the connecting end 113 of the center post 11, and upper and lower ends of the ring shell 23 respectively abut against the first shoulder 32 and the shoulder 142, so that the stable positioning of the installation guide device 2 in the axial direction of the filter element is realized, and the influence of play/shaking on the installation stability is prevented.
In this embodiment, the connection end 113, the shoulder 142, and the filter medium 12 enclose a labyrinth chamber 143. The labyrinth cavity 143 is embedded with a sealing ring 144 with three surfaces wrapping the connecting end 113, so that the connection between the central column 11 and the lower end cover 14 is effectively sealed, and the possible leakage problem caused by the rotatable installation and positioning device 2 is prevented.
In this embodiment, the mounting guide section 112 is provided with a plurality of spiral reinforcing ridges 114 on the outer side to reinforce the structural strength thereof.
The above embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the concept and scope of the present invention, and various modifications and improvements made to the technical solutions of the present invention by those skilled in the art without departing from the design concept of the present invention fall into the protection scope of the present invention, and the technical contents of the present invention which are claimed are all described in the claims.
Claims (10)
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 coalescence medium, an impurity filter layer and a water coalescence layer second filter medium (122) are further arranged outside the first filter medium, 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 internally provided with the 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).
2. A filter cartridge with installation guide according to claim 1, characterized in that the end of the high key (21) is extended downwards to form a guide driving part (211).
3. A filter cartridge with a mounting guide according to claim 1 or 2, wherein the mounting guide (2) further comprises a ring shell (23), the high key (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 mounting guide section (112).
4. A filter cartridge with mounting guide according to claim 3, wherein the center post (11) further comprises a connecting neck (3) between the filter segment (111) and the mounting guide segment (112), the connecting neck (3) comprising a base plate (31) extending inwardly from the inner wall of the center post (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).
5. The filter element with the installation guide device as claimed in claim 4, further comprising at least one inner filter column (33), wherein the inner filter column (33) is coaxially arranged in the central column (11) in a penetrating manner, and the lower end of the inner filter column (33) is clamped with the second shoulder (33).
6. The filter cartridge with the installation guide device as claimed in claim 4, wherein the lower end cap (14) comprises an annular lower cover plate (141) and a retaining shoulder (142) extending upwards from an inner hole of the lower cover plate (141), the outer diameter of the retaining shoulder (142) is smaller than the inner diameter of the connecting end (113) of the center column (11), and the upper end and the lower end of the ring shell (23) respectively abut against the first shoulder (32) and the retaining shoulder (142).
7. A filter cartridge with installation guide according to claim 6, characterised in that the connection end (113), the stop shoulder (142) and the filter medium (12) enclose a labyrinth chamber (143).
8. A filter cartridge with installation guide according to claim 7, characterized in that a sealing ring (144) is provided in the labyrinth chamber (143), wrapping the connection end (113) on three sides.
9. A filter cartridge with a mounting guide according to claim 4, characterized in that the base plate (31) is concentrically provided with a central hole (311) in the middle, and the edge of the central hole (311) is provided with a sealing part (312).
10. A filter cartridge with installation guide according to claim 1, characterised in that the installation guide section (112) is provided on its outside with reinforcing ridges (114).
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 true CN110772874A (en) | 2020-02-11 |
| CN110772874B CN110772874B (en) | 2023-06-13 |
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Family Applications (1)
| 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) |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2204695A1 (en) * | 1996-05-10 | 1997-11-10 | David A. Biere | Self evacuating water-separating fuel filter |
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2019
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| Publication number | Publication date |
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| CN110772874B (en) | 2023-06-13 |
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