CN211585387U - Filtering device - Google Patents
Filtering device Download PDFInfo
- Publication number
- CN211585387U CN211585387U CN201922089435.9U CN201922089435U CN211585387U CN 211585387 U CN211585387 U CN 211585387U CN 201922089435 U CN201922089435 U CN 201922089435U CN 211585387 U CN211585387 U CN 211585387U
- Authority
- CN
- China
- Prior art keywords
- filter
- head
- housing
- filter element
- hole
- 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.)
- Active
Links
- 238000001914 filtration Methods 0.000 title description 6
- 230000002093 peripheral effect Effects 0.000 claims abstract description 22
- 230000002159 abnormal effect Effects 0.000 claims abstract description 4
- 239000012530 fluid Substances 0.000 claims description 17
- 238000003780 insertion Methods 0.000 claims description 14
- 230000037431 insertion Effects 0.000 claims description 14
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 230000000717 retained effect Effects 0.000 claims 1
- 239000002184 metal Substances 0.000 description 4
- 239000002699 waste material Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920001059 synthetic polymer Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Landscapes
- Filtration Of Liquid (AREA)
Abstract
A filter device of the present invention comprises a head portion and a filter cartridge removably mounted in the head portion, an inlet at one end and an outlet at the other end of the head portion being formed on the head portion, and a downwardly protruding connecting pipe being formed in the middle; the interior of the connecting tube becomes an outflow channel leading to the outlet, and the annular space between the outer periphery of the connecting tube and the bottom peripheral wall of the head becomes an inflow channel leading to the inlet; a thread is formed on the outer peripheral surface of the peripheral wall of the bottom of the head, a through hole for directly connecting the inlet and the outlet is formed on the wall between the inlet and the outlet, and a safety valve used in abnormal high pressure is installed in the through hole; the filter cartridge includes a housing having a cylindrical shape with one end closed and a filter element closed in the housing, and an opening of an upper end of the housing is formed as a wide hole, and a connection member having a threaded nut formed on an inner surface thereof is attached to an outer periphery of the opening of the wide hole.
Description
Technical Field
The utility model relates to a filtering device belongs to solid-liquid separation equipment technical field.
Background
In the conventional filter device, the fixing member is separated from the filter element, so that its stability in fixing the filter element in the housing is low and the filter element may be slightly displaced in the housing, resulting in a reduction in its performance; in addition, when the inner cylinder for reinforcement is applied to the inner surface of the filter element, the filter element is discarded together with the inner cylinder at the time of replacing and discarding the filter element, resulting in unnecessary discarding of the inner cylinder and consequently a great increase in filter element replacement cost, and in addition, the amount of generated waste is increased due to the increase of the inner cylinder, thus causing a certain negative effect on the environment and a certain waste of resources; in use, the performance of the filter element gradually declines due to clogging or the like, and therefore, it must be replaced periodically, and when the time for replacing the filter element has come, the filter cartridge is removed from the head, then the fixing member is removed from the filter cartridge housing, and further, the filter element is pulled out from the housing.
SUMMERY OF THE UTILITY MODEL
In order to solve the disadvantages and shortcomings, the utility model provides a filtering device.
The utility model discloses a solve the technical scheme that technical problem adopted as follows:
a filter device of the present invention comprises a head portion and a filter cartridge removably mounted in the head portion, an inlet at one end and an outlet at the other end of the head portion being formed on the head portion, and a downwardly protruding connecting pipe being formed in the middle; the interior of the connecting tube becomes an outflow channel leading to the outlet, and the annular space between the outer periphery of the connecting tube and the bottom peripheral wall of the head becomes an inflow channel leading to the inlet; a thread is formed on the outer peripheral surface of the peripheral wall of the bottom of the head, a through hole for directly connecting the inlet and the outlet is formed on the wall between the inlet and the outlet, and a safety valve used in abnormal high pressure is installed in the through hole; the filter cartridge includes a housing having a cylindrical shape closed at one end and a filter element enclosed in the housing, while an opening at an upper end of the housing is formed as a wide hole, and a connection member having a threaded nut formed on an inner surface thereof is attached to an outer periphery of the opening of the wide hole; the filter element includes a filter medium formed in a cylindrical shape from a corrugated filter paper, a nonwoven fabric or the like, and a filter constituted by the filter element, and a first end plate and a second end plate are attached to either end of the filter medium, insertion holes communicating with the inside of the filter medium are formed at the center and the lower end face of the first end plate, a part of the filter medium is closed by the second end plate, and threads are formed on the inner surface of the insertion holes; a fixing member, which is inserted into the housing, includes a main body portion and an inner cylinder combined as one body, wherein the main body portion is annular, has an inner hole at the center, has a plurality of holes formed therein at positions around the inner hole at the center, and has threads formed on the outer circumference; an inner cylinder fitted and fixed to an inner surface of an inner bore of the main body and connected as a unit to the main body so as to extend downward from the main body, the inner cylinder including a plurality of rings coaxially disposed at equal intervals, and the rings being connected and fixed with a plurality of longitudinal members so as to constitute a cylindrical body having a plurality of gaps for passing a fluid disposed in a circumferential surface thereof, a thread being formed on an upper outer circumferential surface of the inner cylinder; threads of the insertion hole in the end plate are screw-engaged with threads of an upper portion of the inner cylinder so that the inner cylinder and the filter element are combined as one unit, and threads on an outer periphery of the body portion are screw-engaged with threads of the connection member so that the fixing member provided with the filter element is assembled into the housing so that the filter element is fixed with a plurality of fixing pieces via the fixing member to be concentrically disposed on a center line of the housing; when the assembled filter cartridge is mounted in the head, the connection member is fitted to the outer circumferential surface of the bottom circumferential wall of the head, and is rotated integrally with the head, the threads of the connection member are engaged with the threads of the head to fasten the housing, whereby the filter cartridge is connected to the head, and the filter device is assembled.
As a preferred embodiment of the present invention, the head of the filter cartridge, the housing and the connecting member are made of metal, and the end plate of the filter element and the insertion hole are made of metal or synthetic polymer.
As a preferable aspect of the present invention, the inner tube of the fixing member is passed through the insertion hole of the end plate to stay in the filter element so that the inner tube passes through the inside of the filter medium from the upper end to the lower end thereof, and the main body portion is fitted inside the connecting member of the housing.
As a preferred technical solution of the present invention, the end of the connecting pipe of the head portion passes through the inner hole of the main portion of the fixing member to enter and be assembled in the inner tube, thereby making the inside outflow passage enter and be installed in the inner cylinder, making the connecting pipe communicate with the inside of the filter medium of the filter element.
As a preferable mode of the present invention, the bottom surface of the bottom peripheral wall of the head portion is tightly sealed with the top surface of the main body portion, so that the inflow flow path inside the bottom peripheral wall communicates with the space inside, passing through the outer surface of the hole filter medium of the main body portion and the inner surface of the housing.
As a preferred embodiment of the present invention, the fluid enters from the inlet of the head, flows through the inflow channel and flows sequentially to the outside of the filter medium, then, the fluid flows through the filter medium and also flows through the peripheral gap, the inner surface of the inner tube flows into the inside of the filter medium, when the fluid passes through the filter medium, foreign substances and the like in the fluid are captured by the filter medium and removed, and the fluid flowing into the inside of the filter medium then flows out sequentially from the outlet through the outflow channel of the head.
As a preferable mode of the present invention, when the fluid flows through the filter medium, a large pressure is applied to the filter medium from the outside thereof toward the inside thereof, but the inner tube is inserted into the inside of the filter medium, and therefore the filter medium is reinforced by the inner tube, and thus the deformation of the filter medium is prevented.
As a preferable aspect of the present invention, the filter medium is reliably fixed to the inner tube, and the fluid is uniformly distributed and passes through the filter medium under the same pressure applied to each portion of the filter medium, so that the filter medium can reliably operate without lowering the performance.
The utility model discloses the beneficial effect who reaches is: the fixing member and the filter element are integrated, so that the stability of the filter element is greatly improved, and the performance of the filter element is also greatly improved; the filter element can be stably and reliably fixed on a designated position in the shell, and the filter element can only be discarded when the filter element is replaced, so that the number of steps required for assembling the filter cartridge is effectively reduced, and the efficiency of the assembling process is improved; the excrement is effectively controlled, and the pollution to the environment and the waste of resources are avoided.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1
As shown in fig. 1, a filter device 1 of the present invention includes a head 2 and a filter cartridge 3 removably mounted in the head 2. An inlet 4 and an outlet 5 at one end and a connection pipe 6 protruding downward are formed on the head 2. Formed in the middle; the interior of the connecting pipe 6 becomes an outflow passage 7 leading to the outlet 5, and the annular space between the outer periphery of the connecting pipe 6 and the bottom peripheral wall 2a of the head 2 becomes an inflow passage 8 leading to the inlet.
A thread 11 is formed on the outer peripheral surface of the bottom peripheral wall 2a of the head 2, a through hole 12 for directly connecting the inlet 4 and the outlet 5 is formed in the wall portion 2b between the inlet 4 and the outlet 5, and a safety valve 13 used at the time of abnormal high pressure is installed inside the through hole 12.
The filter cartridge 3 includes a housing 16 having a cylindrical shape closed at one end and a filter element 17 enclosed in the housing 16, while an opening of an upper end of the housing 16 is formed as a wide hole, and a connection member 18 is attached to an outer periphery of the opening of the wide hole, the connection member 18 having a nut formed with a thread 19 on an inner surface thereof.
The filter element 17 includes a filter medium 21 formed in a cylindrical shape by a corrugated filter paper, a nonwoven fabric or the like, and a filter constituted by the filter element 17, and a first end plate 22 and a second end plate 23 are attached to either end of the filter medium 21, insertion holes 24 communicating with the inside of the filter medium 21 are formed at the center and the lower end face of the first end plate 22, a part of the filter medium 21 is closed by the second end plate 23, and threads 25 are formed on the inner surface of the insertion holes 24.
The head 2, the housing 16 and the connecting member 18 of the filter cartridge 3 are all made of metal, and the end plates 22 and 23 and the insertion holes 24 of the filter element 17 are all made of metal or synthetic polymer.
The fixing member 27 is inserted into the housing 16; the fixing member 27 includes a main body portion 28 and an inner cylinder 29 combined in one body, wherein the main body portion 28 is annular and has an inner hole 31 at the center. In the main portion 28, a number of holes 32 are formed at positions around a central inner hole 31, and a thread 33 is formed on the outer periphery.
The inner cylinder 29 is fitted and fixed to an inner surface of the inner bore 31 of the main body portion 28, and is connected to the main body portion 28 as a unit so as to extend downward from the main body portion 28, the inner cylinder 29 including: a plurality of rings 35 are coaxially disposed at the same interval, and the rings 35 are connected and fixed with a plurality of longitudinal members 36 to constitute a cylindrical body having a plurality of gaps 37 for passing a fluid disposed in a circumferential surface thereof, and a thread 38 is formed on an upper outer circumferential surface of the inner cylinder 29.
The inner cylinder 29 of the fixing member 27 stays in the filter element 17 through the insertion hole 24 of the end plate 22 such that the inner cylinder 29 passes through inside the filter medium 21 from the upper end to the lower end thereof, and the main body portion 28 is fitted inside the connecting member 18 of the housing 16.
The screw thread 25 of the insertion hole 24 in the end plate 22 is screw-engaged with the screw thread 38 of the upper portion of the inner cylinder 29, so that the inner cylinder 29 and the filter element 17 are combined as a unit. The screw thread 33 on the outer periphery of the main body portion 28 is screw-engaged with the screw thread 19 of the connecting member 18, thereby assembling the fixing member 27 provided with the filter element 17 into the housing 16, so that the filter element 17 is fixed with a plurality of fixing pieces via the fixing member 27 to be concentrically disposed on the center line of the housing 16.
When the assembled filter cartridge 3 is mounted in the head 2, the connection member 18 is fitted to the outer peripheral surface of the bottom peripheral wall 2a of the head 2, and the connection member 18 is rotated integrally with the head 2, the threads 19 of the connection member 18 are engaged with the threads 11 of the head 2 to fasten the housing 16, whereby the filter cartridge 3 is connected to the head 2, and the filter device 1 is assembled.
In this assembly, the end of the connecting tube 6 of the head 2 passes through the internal bore 31 of the main portion 28 of the fixing member 27, entering and fitting inside the internal cylinder 29, so that the internal outflow channel 7 enters and fits inside the internal cylinder 29, placing the connecting tube 6 in communication with the inside of the filtering medium 21 of the filtering element 17.
The bottom surface of the bottom peripheral wall 2a of the head portion 2 is tightly sealed with the top surface of the body portion 28, so that the space between the inflow flow path 8 inside the bottom peripheral wall 2a and the inside communicates, through the holes 32 of the body portion 28, the outer surface of the filter medium 21 and the inner surface of the housing 16.
Fluid enters from the inlet 4 of the head 2, flows through the inflow channel 8 and in turn flows to the outside of the filter medium 21. The fluid then flows through the filter medium 21 and also through the peripheral gap 37. The inner surface of the inner cartridge 29 flows into the interior of the filter media 21. When the fluid passes through the filter medium 21, foreign substances and the like in the fluid are captured by the filter medium 21 and removed. The fluid flowing into the interior of the filter medium 21 then flows out of the outlet 5 in sequence through the outflow channel 7 of the head 2.
When the fluid flows through the filter medium 21, a large pressure is applied to the filter medium 21 from the outside thereof toward the inside thereof, but the inner cylinder 29 is inserted into the inside of the filter medium 21, and thus the filter medium 21 is reinforced by the inner cylinder 29, and thus the deformation of the filter medium 21 is prevented.
The filter medium 21 and the inner cartridge 29 are securely fixed together, and the fluid is uniformly distributed and passes through the filter medium 21 under the same pressure applied to the respective portions of the filter medium 21, so that the filter medium 21 can be reliably operated without degrading performance.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A filter device comprising a head portion on which an inlet at one end and an outlet at the other end thereof are formed and a connection pipe protruding downward, formed in the middle, and a filter cartridge removably mounted in the head portion; the interior of the connecting tube becomes an outflow channel leading to the outlet, and the annular space between the outer periphery of the connecting tube and the bottom peripheral wall of the head becomes an inflow channel leading to the inlet; a thread is formed on the outer peripheral surface of the peripheral wall of the bottom of the head, a through hole for directly connecting the inlet and the outlet is formed on the wall between the inlet and the outlet, and a safety valve used in abnormal high pressure is installed in the through hole; the filter cartridge includes a housing having a cylindrical shape closed at one end and a filter element enclosed in the housing, while an opening at an upper end of the housing is formed as a wide hole, and a connection member having a threaded nut formed on an inner surface thereof is attached to an outer periphery of the opening of the wide hole; the filter element includes a filter medium formed in a cylindrical shape from a corrugated filter paper, a nonwoven fabric or the like, and a filter constituted by the filter element, and a first end plate and a second end plate are attached to either end of the filter medium, insertion holes communicating with the inside of the filter medium are formed at the center and the lower end face of the first end plate, a part of the filter medium is closed by the second end plate, and threads are formed on the inner surface of the insertion holes; a fixing member, which is inserted into the housing, includes a main body portion and an inner cylinder combined as one body, wherein the main body portion is annular, has an inner hole at the center, has a plurality of holes formed therein at positions around the inner hole at the center, and has threads formed on the outer circumference; an inner cylinder fitted and fixed to an inner surface of an inner bore of the main body and connected as a unit to the main body so as to extend downward from the main body, the inner cylinder including a plurality of rings coaxially disposed at equal intervals, and the rings being connected and fixed with a plurality of longitudinal members so as to constitute a cylindrical body having a plurality of gaps for passing a fluid disposed in a circumferential surface thereof, a thread being formed on an upper outer circumferential surface of the inner cylinder; threads of the insertion hole in the end plate are screw-engaged with threads of an upper portion of the inner cylinder so that the inner cylinder and the filter element are combined as one unit, and threads on an outer periphery of the body portion are screw-engaged with threads of the connection member so that the fixing member provided with the filter element is assembled into the housing so that the filter element is fixed with a plurality of fixing pieces via the fixing member to be concentrically disposed on a center line of the housing; when the assembled filter cartridge is mounted in the head, the connection member is fitted to the outer circumferential surface of the bottom circumferential wall of the head, and is rotated integrally with the head, the threads of the connection member are engaged with the threads of the head to fasten the housing, whereby the filter cartridge is connected to the head, and the filter device is assembled.
2. A filter device according to claim 1, wherein the inner cylinder of the fixing member is retained in the filter element through the insertion hole of the end plate such that the inner cylinder passes through the inside of the filter medium from the upper end to the lower end thereof, and the main body portion is fitted inside the connecting member of the housing.
3. A filter device as claimed in claim 1, wherein the end of the connecting tube of the head portion passes through the internal bore of the main portion of the fixing means to enter and fit within the inner barrel, so that the internal outflow passage enters and fits within the inner barrel, so that the connecting tube communicates with the interior of the filter medium of the filter element.
4. A filter device according to claim 1, wherein the bottom surface of the bottom peripheral wall of the head portion is tightly sealed with the top surface of the body portion, so that the space between the inflow flow path inside the bottom peripheral wall and the interior communicates, through the holes of the body portion, the outer surface of the filter medium and the inner surface of the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922089435.9U CN211585387U (en) | 2019-11-28 | 2019-11-28 | Filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922089435.9U CN211585387U (en) | 2019-11-28 | 2019-11-28 | Filtering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211585387U true CN211585387U (en) | 2020-09-29 |
Family
ID=72589523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922089435.9U Active CN211585387U (en) | 2019-11-28 | 2019-11-28 | Filtering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211585387U (en) |
-
2019
- 2019-11-28 CN CN201922089435.9U patent/CN211585387U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211585387U (en) | Filtering device | |
| CN111039356A (en) | RO membrane filter core subassembly | |
| CN117738828A (en) | Can exhaust water oil separating filter core and filter | |
| WO2018129742A1 (en) | Filter element assembly and water purifier provided with same | |
| CN208824054U (en) | Band threeway closestool filter easy to assemble | |
| CN211620018U (en) | RO membrane filter core subassembly | |
| EP3784364B1 (en) | Cartridge group for fuel filtration | |
| CN210125225U (en) | Filter core, purifier and water heater | |
| CN220696084U (en) | Filtering device and filter | |
| CN216259542U (en) | Composite filter and water purifier | |
| CN208502908U (en) | A kind of combustion gas filter | |
| WO2020088562A1 (en) | Composite filter element and water purifier | |
| CN111389073A (en) | Composite filter element and water purifier with same | |
| CN218539326U (en) | Ultra-filter | |
| CN220328102U (en) | Disposable filter element type water heater filter | |
| CN214680257U (en) | Filter | |
| CN219308121U (en) | Multicore filter convenient to dismouting | |
| KR101180928B1 (en) | A Fuel Tank of Air Filter For Vehicles | |
| CN212141666U (en) | Composite filter element and water purifier with same | |
| CN219098917U (en) | Composite filter element device and water purifier | |
| CN216855799U (en) | Backwashing device of water purifier | |
| CN220706103U (en) | Pressure reducing valve | |
| CN218924033U (en) | Automatic external disc filter of washing | |
| CN220159435U (en) | Flange type filter | |
| CN220834479U (en) | Front filter with convenient core replacement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A filtering device Granted publication date: 20200929 Pledgee: China Postal Savings Bank Co.,Ltd. Leting County Branch Pledgor: TANGSHAN QIANKELAI BIOTECHNOLOGY Co.,Ltd. Registration number: Y2024980016550 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |