CN213192893U - Suction filter with self-cleaning function - Google Patents
Suction filter with self-cleaning function Download PDFInfo
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- CN213192893U CN213192893U CN202021775046.8U CN202021775046U CN213192893U CN 213192893 U CN213192893 U CN 213192893U CN 202021775046 U CN202021775046 U CN 202021775046U CN 213192893 U CN213192893 U CN 213192893U
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Abstract
The utility model relates to a filter of breathing in with self-cleaning function relates to the filter field, it includes the filter body, the setting is being strained a section of thick bamboo in filtering this body, the setting is on the filter body with the intake pipe of straining a section of thick bamboo inner space intercommunication and set up the outlet duct that only communicates with the inside cavity of filter body on the filter body, still including the pivot of coaxial rotation setting in straining a section of thick bamboo, fix the drive flabellum that is close to the one end of intake pipe in the pivot, fix the clean piece of straining a section of thick bamboo inner wall in pivot butt and scraping, the outlet duct with strain a section. Aiming at the problem that the existing filter cylinder is high in pollution speed, the filter cylinder has the effects of concentrating impurities in the filter cylinder and reducing pollution on the inner wall of the filter cylinder.
Description
Technical Field
The application relates to the field of suction filters, in particular to a suction filter with a self-cleaning function.
Background
The suction filter is an indispensable device on the medium conveying pipeline, and is usually installed at the inlet end of a pressure reducing valve, a pressure relief valve, a constant water level valve or other equipment to eliminate impurities in the medium so as to protect the normal use of the valve and the equipment. When fluid enters the filter cylinder with a filter screen of a certain specification, impurities are blocked, clean filtrate is discharged from the outlet of the filter, when the filter cylinder needs to be cleaned, the detachable filter cylinder is taken out and is installed again after treatment, and the filter cylinder is convenient to use and maintain.
The filter cartridge can be gradually polluted in the using process, so that the ventilation capacity of the filter cartridge is reduced, and the normal operation of equipment is influenced.
In view of the above-mentioned related art, the inventors believe that there are disadvantages of faster contamination of the filter cartridge and more frequent replacement of the filter cartridge.
SUMMERY OF THE UTILITY MODEL
In order to reduce the pollution speed of the filter cartridge, the present application provides a suction filter with a self-cleaning function, which has the effect of automatically collecting impurities of the filter cartridge during operation to reduce the overall pollution of the filter cartridge by the impurities.
The application provides a filter of breathing in with self-cleaning function adopts following technical scheme:
the utility model provides a filter of breathing in with self-cleaning function, includes filter body, sets up and strains a section of thick bamboo in filtering the body, sets up on the filter body with strain an intake pipe of space intercommunication and set up on the filter body only with the outlet duct of the inside cavity intercommunication of filter body, still include coaxial rotation and set up the pivot in straining a section of thick bamboo, fix the pivot is close to the drive flabellum of the one end of intake pipe, fix be used for scraping in the pivot strain a cleaning sheet of inner wall, the outlet duct with strain a coaxial setting.
Through adopting above-mentioned technical scheme, hinder impurity to adhere to on straining a section of thick bamboo, impurity collects to the one end of straining a section of thick bamboo and keeping away from the intake pipe during, reduces the pollution that strain a section of thick bamboo lateral wall received. The gas is sucked into the filter cylinder from the gas inlet pipe and then is discharged from the gas outlet pipe, the filter cylinder and the rotating shaft are coaxially arranged, the gas flow blows along the axial direction of the driving fan blades, the driving fan blades are driven by the gas flow to rotate, the rotating shaft and the cleaning sheets on the rotating shaft are driven by the driving fan blades to rotate, the cleaning sheets scrape the inner wall of the filter cylinder so as to prevent impurities in the gas flow from attaching to the inner wall of the filter cylinder, the impurities scraped by the cleaning sheets are blown to one end, far away from the gas inlet, of the filter cylinder and deposited, the pollution of the impurities to the side wall of the filter cylinder is reduced, the side wall of the filter cylinder can maintain reliable through.
Preferably, support rings are coaxially fixed at both ends of the rotating shaft, and a rolling bearing is arranged between the support rings and the filter cartridge.
Through adopting above-mentioned technical scheme, utilize the support ring to support the pivot and rotate the pivot and fix in straining a section of thick bamboo, set up antifriction bearing and reduce the rotational resistance of pivot, be favorable to the pivot under the drive of drive flabellum.
Preferably, an inner ring of the rolling bearing is fixed on the support ring, and an outer ring of the rolling bearing is in clearance fit with the filter cartridge.
Through adopting above-mentioned technical scheme, conveniently pull down antifriction bearing, support ring, pivot, drive flabellum and cleaning sheet wholly to clean this dismantlement work piece and strain a section of thick bamboo inside.
Preferably, one side of the rolling bearing, which is close to the air inlet pipe, is provided with an annular dust baffle plate, the dust baffle plate is fixed on an inner ring of the rolling bearing, and the diameter of an outer ring of the dust baffle plate is smaller than that of an outer ring of the rolling bearing.
By adopting the technical scheme, the annular dust baffle prevents impurities in the airflow from entering balls of the ball bearing, so that the smooth rotation of the ball bearing is ensured; the dust guard plate is fixed on the inner ring of the rolling bearing, the diameter of the outer ring of the dust guard plate is smaller than the outer diameter of the outer ring of the rolling bearing and larger than the inner diameter of the outer ring of the rolling bearing, so that the dust guard plate has a good dust guard effect and does not interfere with the normal rotation of the rolling bearing.
Preferably, the dust baffles are arranged on two sides of the rolling bearing at one end, far away from the air inlet pipe, of the rotating shaft.
Through adopting above-mentioned technical scheme, reduce the pollution that antifriction bearing received. One end of the filter cylinder, which is far away from the air inlet pipe, can deposit impurities, both sides of the rolling bearing are easy to contact with the impurities, and dust baffles are arranged on both sides of the rolling bearing, so that pollution on the rolling bearing at the impurity deposition position is reduced.
Preferably, two ends of the cleaning sheet are respectively fixed on the support rings at two ends of the rotating shaft, the cleaning sheet is a long-strip plate-shaped scraping piece, and one end of the cleaning sheet close to the filter cartridge inclines towards the rotating direction of the rotating shaft.
Through adopting above-mentioned technical scheme, optimize the scraping effect of cleaning sheet. The cleaning sheet inclined towards the rotating direction can more thoroughly reduce impurities on the wall of the filter cylinder from being scraped and being lifted to the center of the filter cylinder, so that the impurities can be blown to the end part of the filter cylinder by the airflow.
Preferably, the cleaning sheet is a spiral cleaning sheet, and the cleaning sheet is spirally bent from one end far away from the air inlet pipe to one end close to the air inlet pipe along the rotation direction of the rotating shaft.
Through adopting above-mentioned technical scheme, the cleaning sheet can force impurity to strain a section of thick bamboo to keep away from the one end removal of intake pipe when scraping away the impurity of straining on the section of thick bamboo inner wall, is favorable to concentrating of impurity, and then has optimized the clean effect of cleaning sheet.
Preferably, the cleaning sheets are arranged in a plurality, and the cleaning sheets are uniformly distributed in a circular array by taking the axis of the rotating shaft as the center.
By adopting the technical scheme, the cleaning sheets are arranged in plurality, so that the scraping frequency of the inner wall of the filter cylinder is increased, and the cleaning effect is enhanced; a plurality of cleaning sheets are circular array evenly distributed, stability when pivot, cleaning sheet rotate has been improved, and the atress condition of each cleaning sheet is comparatively stable, and operating conditions is more stable.
In summary, the present application includes at least one of the following beneficial technical effects:
through the arrangement of the driving fan blades, the rotating shaft and the cleaning sheets, which are rotatably installed, the air flow drives the driving fan blades to rotate, the driving fan blades drive the rotating shaft and the cleaning sheets on the rotating shaft to rotate, the cleaning sheets scrape the inner wall of the filter cylinder so as to prevent impurities in the air flow from being attached to the inner wall of the filter cylinder, the impurities scraped by the cleaning sheets are blown to one end, far away from the air inlet, of the filter cylinder by the air flow and are deposited, the pollution of the impurities to the side wall of the filter cylinder is reduced, the side wall of the filter cylinder can maintain reliable through flow and filtering performance for a longer time, and the;
the rotating resistance of the rotating shaft is effectively reduced by arranging the rolling bearing, the completion of the action of scraping the inner wall of the filter cylinder by the cleaning sheet is facilitated, the rolling bearing is protected from being polluted by impurities by arranging the dust baffle plate, and the smooth rotation of the rolling bearing is ensured;
through setting up the cleaning sheet to the rotation direction slope of pivot and making the rotation direction spiral of cleaning sheet revolute the pivot, optimized the cleaning sheet and scraped the ability of impurity on the section of thick bamboo wall, be favorable to straining the concentration of a well impurity of straining, make the clean effect of cleaning sheet better.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is an enlarged view of area A of FIG. 1;
FIG. 3 is an enlarged view of area B of FIG. 1;
FIG. 4 is a partial cross-sectional view taken along C-C in FIG. 1;
fig. 5 is a partial sectional view taken along D-D in fig. 1.
Reference numerals: 1. a filter body; 11. a flange ring; 12. a flange end cover; 13. a ring platform; 2. an air inlet pipe; 3. an air outlet pipe; 4. a filter cartridge; 5. a rotating shaft; 6. driving the fan blades; 7. a cleaning sheet; 8. a support ring; 81. a support bar; 9. a rolling bearing; 10. a dust guard.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses a suction filter with a self-cleaning function, and the suction filter with the self-cleaning function is disclosed by referring to fig. 1, and comprises a filter body 1, a filter cartridge 4 arranged in the filter body, an air inlet pipe 2 arranged on the filter body 1 and communicated with the space in the filter cartridge 4, and an air outlet pipe 3 arranged on the filter body 1 and only communicated with the cavity in the filter body 1, wherein the filter body 1 is in a cylindrical shape, the air inlet pipe 2 is coaxially welded and fixed at one end of the filter body 1, which is far away from the air inlet pipe 2, is welded and fixed with an annular flange ring 11, a flange end cover 12 is detachably fixed on the flange ring 11 through bolts, the air outlet pipe 3 is welded and fixed on the side wall of the; the filter cartridge 4 is provided with one end open and one end closed, the air inlet pipe 2 is inserted into the open end of the filter cartridge 4 to directly inflate the filter cartridge 4 and support the open end of the filter cartridge 4, and the closed end of the filter cartridge 4 is inserted into the flange ring 11. The cleaning sheet 7 is a spiral-type elongated sheet-like wiper member that abuts against the inner wall of the filter cartridge 4.
Referring to fig. 1, the device further comprises a rotating shaft 5 coaxially and rotatably arranged in the filter cartridge 4, a driving fan blade 6 fixedly inserted into one end of the rotating shaft 5 close to the air inlet pipe 2, and a cleaning sheet 7 fixed on the rotating shaft 5 and used for scraping the inner wall of the filter cartridge 4. The two ends of the rotating shaft 5 are coaxially provided with support rings 8, the support rings 8 are connected with the rotating shaft 5 through rod supporting rods 81, connecting sections of the supporting rods 81 are respectively welded and fixed on the support rings 8 and the rotating shaft 5, rolling bearings 9 are arranged between the support rings 8 and the filter cartridges 4, and the width of the support rings 8 is larger than that of the rolling bearings 9. The inner ring of the rolling bearing 9 is inserted and fixed in the middle of the support ring 8, and the outer ring of the rolling bearing 9 is in clearance fit with the filter cartridge 4.
Referring to fig. 2 and 3, two sides of the rolling bearing 9 are coaxially provided with annular dust baffles 10, the dust baffles 10 are welded and fixed on the support ring 8, the dust baffles 10 rotate synchronously with the inner ring of the rolling bearing 9, and the diameter of the outer ring of the dust baffles 10 is smaller than the outer diameter of the outer ring of the rolling bearing 9 and larger than the inner diameter of the outer ring of the rolling bearing 9, so as to ensure a better dust-blocking effect. The dust guard 10 does not contact the outer ring of the rolling bearing 9 to avoid the dust guard 10 from obstructing the rotation of the rolling bearing 9. Two ends of the cleaning sheet 7 are respectively welded and fixed on dust baffles 10 on two rolling bearings 9 at two ends of the rotating shaft 5.
Referring to fig. 3, a ring platform 13 structure is coaxially and integrally arranged at the closed end of the filter cartridge 4 in the filter cartridge 4, the ring platform 13 is in abutting fit with the outer ring of the rolling bearing 9 close to the ring platform 13, the ring platform 13 is in intermittent fit with the dust baffle plate 10 at the side of the rolling bearing 9 close to the ring platform 13, and the dust baffle plate 10 at the side of the rolling bearing 9 close to the ring platform 13 is not in contact with the bottom of the filter cartridge 4. Through the scheme, the rolling bearing 9 is convenient to rotate.
Referring to fig. 4 again, the driving fan 6 is driven by the airflow of the air inlet pipe 2 to rotate clockwise, and compared with fig. 1, the cleaning sheet 7 is spirally bent from the end far away from the air inlet pipe 2 to the end close to the air inlet pipe 2 along the rotation direction of the rotating shaft 5. Referring to fig. 5, one end of the cleaning sheet 7 close to the filter cartridge 4 is inclined to the rotation direction of the rotating shaft 5, a plurality of cleaning sheets 7 are provided, and the plurality of cleaning sheets 7 are uniformly distributed in a circular array around the axis of the rotating shaft 5.
The implementation principle of a suction filter with a self-cleaning function related to the embodiment of the application is as follows: the air flow enters the filter cartridge 4 in the filter body 1 through the air inlet pipe 2, passes through the filter holes on the side wall of the filter cartridge 4 and flows out of the air outlet pipe 3; the air current can promote drive flabellum 6 to rotate when passing drive flabellum 6, drive 5 pivots 5 by drive flabellum 6 again, supporting wheel and cleaning sheet 7 in the pivot 5 rotate in step, cleaning sheet 7 scrapes the inner wall of straining a section of thick bamboo 4 in order to prevent impurity from attaching to strain a section of thick bamboo 4 on, impurity is blown the blade by the cleaning sheet 7 of slope and is strained a section of thick bamboo 4 center, blow to the one end of straining a section of thick bamboo 4 of keeping away from intake pipe 2 by the air current again, spiral cleaning sheet 7 also can concentrate the impurity of straining on a section of thick bamboo 4 to straining a section of thick bamboo 4. By concentrating the impurities in the filter cartridge 4 at the closed end of the filter cartridge 4, the impurities attached to the inner wall of the filter cartridge 4 are reduced, so that the filter cartridge 4 can maintain good ventilation capacity and filtering capacity for a longer time, and the pollution speed and the replacement frequency of the filter cartridge 4 are effectively reduced.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A suction filter with a self-cleaning function comprises a filter body (1), a filter cartridge (4) arranged in the filter body, an air inlet pipe (2) arranged on the filter body and communicated with the space in the filter cartridge (4), and an air outlet pipe (3) arranged on the filter body (1) and communicated with the inner cavity of the filter body (1), and is characterized in that: the filter cartridge is characterized by further comprising a rotating shaft (5) which is coaxially and rotatably arranged in the filter cartridge (4), driving fan blades (6) which are fixed at one end, close to the air inlet pipe (2), of the rotating shaft (5), and cleaning sheets (7) which are fixed on the rotating shaft (5) and abut against and scrape the inner wall of the filter cartridge (4), wherein the air outlet pipe (3) and the filter cartridge (4) are coaxially arranged.
2. A self-cleaning suction filter as claimed in claim 1, wherein: support rings (8) are coaxially fixed at two ends of the rotating shaft (5), and rolling bearings (9) are arranged between the support rings (8) and the filter cylinders (4).
3. A suction filter with self-cleaning function as claimed in claim 2, wherein: the inner ring of the rolling bearing (9) is fixed on the support ring (8), and the outer ring of the rolling bearing (9) is in clearance fit with the filter cylinder (4).
4. A suction filter with self-cleaning function as claimed in claim 3, wherein: one side, close to the air inlet pipe (2), of the rolling bearing (9) is provided with an annular dust baffle plate (10), the dust baffle plate (10) is coaxially fixed on an inner ring of the rolling bearing (9), and the diameter of an outer ring of the dust baffle plate (10) is smaller than the outer diameter of the outer ring of the rolling bearing (9) and larger than the inner diameter of the outer ring of the rolling bearing (9).
5. A suction filter with self-cleaning function as claimed in claim 4, wherein: the dust baffles (10) are arranged on two sides of the rolling bearing (9) at one end, far away from the air inlet pipe (2), of the rotating shaft (5).
6. A self-cleaning suction filter as claimed in claim 5, wherein: the two ends of the cleaning sheet (7) are respectively fixed on the support rings (8) at the two ends of the rotating shaft (5), the cleaning sheet (7) is a long-strip platy scraping piece, and one end, close to the filter cylinder (4), of the cleaning sheet (7) inclines in the rotating direction of the rotating shaft (5).
7. A self-cleaning suction filter according to claim 6, wherein: cleaning sheet (7) are spiral cleaning sheet (7), cleaning sheet (7) are by keeping away from the one end of intake pipe (2) is to being close to the one end of intake pipe (2) is followed the direction of rotation spiral bending of pivot (5).
8. A self-cleaning suction filter as claimed in claim 7, wherein: the cleaning sheets (7) are arranged in a plurality, and the cleaning sheets (7) are uniformly distributed in a circular array by taking the axis of the rotating shaft (5) as the center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021775046.8U CN213192893U (en) | 2020-08-22 | 2020-08-22 | Suction filter with self-cleaning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021775046.8U CN213192893U (en) | 2020-08-22 | 2020-08-22 | Suction filter with self-cleaning function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213192893U true CN213192893U (en) | 2021-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021775046.8U Active CN213192893U (en) | 2020-08-22 | 2020-08-22 | Suction filter with self-cleaning function |
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| Country | Link |
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| CN (1) | CN213192893U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114887414A (en) * | 2022-06-13 | 2022-08-12 | 常熟市飞奥压力容器制造有限公司 | Anti-icing stifled gas filter |
| CN115040915A (en) * | 2022-05-09 | 2022-09-13 | 杨金晚 | Self-cleaning type chemical raw material impurity filtering process |
| CN115155200A (en) * | 2022-09-08 | 2022-10-11 | 南通捷瑞液压科技有限公司 | Air filter assembly with self-cleaning structure for air compressor |
-
2020
- 2020-08-22 CN CN202021775046.8U patent/CN213192893U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115040915A (en) * | 2022-05-09 | 2022-09-13 | 杨金晚 | Self-cleaning type chemical raw material impurity filtering process |
| CN114887414A (en) * | 2022-06-13 | 2022-08-12 | 常熟市飞奥压力容器制造有限公司 | Anti-icing stifled gas filter |
| CN114887414B (en) * | 2022-06-13 | 2023-12-29 | 常熟市飞奥压力容器制造有限公司 | Anti-ice blocking gas filter |
| CN115155200A (en) * | 2022-09-08 | 2022-10-11 | 南通捷瑞液压科技有限公司 | Air filter assembly with self-cleaning structure for air compressor |
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