CN216170347U - Filter element self-rotating pre-filter with scraping function - Google Patents
Filter element self-rotating pre-filter with scraping function Download PDFInfo
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- CN216170347U CN216170347U CN202122510881.XU CN202122510881U CN216170347U CN 216170347 U CN216170347 U CN 216170347U CN 202122510881 U CN202122510881 U CN 202122510881U CN 216170347 U CN216170347 U CN 216170347U
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Abstract
The utility model relates to a pre-filter with a self-rotating filter element and scraping and washing function, which comprises a machine head with a water inlet and a water outlet, a filter flask and a drain outlet at the bottom of the filter flask, wherein a filtering mechanism is arranged in the filter flask, a flow guide disc capable of enabling inlet water flow to rotate is arranged in the machine head, and the pre-filter also comprises a scraping and washing assembly, a drain control assembly and a one-way rotating structure; the scraping and washing assembly comprises a scraping and washing framework, a scraping and washing strip and a sewage discharge channel; the filtering mechanism comprises a filtering framework and a filtering net, the filtering mechanism is inserted in the scraping and washing framework and can rotate relatively, and the filtering framework is provided with a driving blade; through the adjustment of structure, realize leading filter's normalized washing, based on the effect of filter core rotation centrifugal force, avoid the filth to adhere to on filter screen surface, ensure that filtering mechanism's filtration performance maintains a higher level, scrape when washing when really needing manual blowdown, scrape through manual rotation and wash the subassembly, the abundant further washing blowdown of efficient improves leading filter's filtration performance, prolongs leading filter's life.
Description
Technical Field
The utility model relates to a pre-filter with a self-rotating filter element and scraping and washing functions, and belongs to the technical field of water purification equipment.
Background
The prior art filter comprises: the filter flask that aircraft nose, upper end and aircraft nose are connected is provided with filter element group spare in the filter flask, and filter element group spare includes the filter screen skeleton, and the outer wall cover of filter screen skeleton is equipped with the filter screen. In the using process, water flows into a gap between the filter flask and the filter screen from a water inlet of the machine head, flows into the center of the filter screen framework after being filtered by the filter screen, and then flows to a water outlet of the machine head from the center of the filter screen framework, and the filter is deeply inserted into thousands of households and high-grade hotels.
Current filter does not have self-cleaning function, and filter element group spare can block up after using for a long time, needs to be changed or wash, and prior art mostly passes through the manual blowoff valve that opens during the washing, operates corresponding mechanism and rotates and scrape and wash or change the water route backwash, in case the scale deposit is too much when, operates and to get up the time and energy consuming that can be considerable, and filtering quality of filtering mechanism descends very fast moreover. The utility model aims to solve the technical problem and provides a pre-filter with a filter element capable of rotating and scraping, which realizes normalization of scraping on one hand, avoids attachment of dirt on the surface of a filter screen based on the action of the self-rotation centrifugal force of the filter element, ensures that the filtering performance of a filtering mechanism maintains a higher level, and further cleans and discharges dirt efficiently and fully by manually rotating a scraping component when manual dirt discharging and scraping are really needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects of the prior art and provides a prefilter with a filter element rotating and scraping functions. Through the adjustment of structure, realize leading filter's normalized washing, based on the effect of filter core rotation centrifugal force, avoid the filth to adhere to on filter screen surface, ensure that filtering mechanism's filtration performance maintains a higher level, scrape when washing when really needing manual blowdown, scrape through manual rotation and wash the subassembly, the abundant further washing blowdown of efficient improves leading filter's filtration performance, prolongs leading filter's life.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
a pre-filter with a filter element capable of rotating and scraping is characterized by further comprising a scraping and washing assembly, a pollution discharge control assembly and a one-way rotating structure;
the scraping and washing assembly comprises a scraping and washing framework, a scraping and washing strip and a sewage discharge channel;
the filtering mechanism comprises a filtering framework and a filtering net, the filtering mechanism is inserted in the scraping and washing framework and can rotate relatively, and the filtering framework is provided with a driving blade;
the blowdown control assembly comprises a blowdown sealing member arranged at a blowdown port, a blowdown control valve is arranged at the outlet of the blowdown sealing member, the inner end of the blowdown sealing member is fixedly connected with the scraping and washing framework, and the blowdown sealing member is in rotary sealing connection with the filter flask;
the unidirectional rotation structure is a ratchet wheel structure or an elastic arm structure arranged between the filtering framework and the flow guide disc;
when the filtering self-rotation cleaning is carried out, the filtering mechanism can rotate along the water flow direction under the impact of water flow; when the sewage is cleaned, the scraping and cleaning framework can rotate along with the sewage sealing element along the direction of the counter water flow under the action of external force, and the scraping and cleaning framework rotates relative to the filtering mechanism under the limitation of the unidirectional rotating structure, so that manual scraping and cleaning are realized; and after the sewage discharge and cleaning is finished, the filtration self-rotation cleaning state is recovered.
The utility model has reasonable structural design and convenient assembly and use, and realizes the normalized cleaning of the pre-filter based on the self-rotation centrifugal force of the filter element through the adjustment of the structure. When the dirt is more, when scraping the subassembly card jail, through the reverse scraping of manual mode and wash, the dirt is clear away to the high efficiency, convenient to use, good reliability.
Preferably, be equipped with radial limit structure between filtration skeleton top and the aircraft nose, filter the skeleton bottom and scrape and wash and be equipped with radial and axial limit structure between the skeleton. Through radial and axial limiting, the rotating axis of the filtering mechanism is stable when the filtering mechanism rotates, and the filtering mechanism cannot deviate or be stuck.
Preferably, the unidirectional rotation structure adopts a ratchet structure, the guide disc is circumferentially provided with at least one pawl and an adaptive elastic piece, the top end of the filtering framework is circumferentially provided with a unidirectional locking rib, and when the scraping and washing framework rotates along with the reverse flow, the pawl is linked with the unidirectional locking rib to limit the synchronous rotation of the filtering mechanism.
Preferably, the bottom end of the scraping and washing framework is provided with a framework lower cover, the inner end of the pollution discharge sealing element is fixedly provided with a conversion cover, and the inner end of the pollution discharge sealing element is connected with the framework lower cover through the conversion cover in a matching manner.
Preferably, the framework lower cover limiting lug and the conversion cover are provided with adaptive limiting grooves, and the framework lower cover and the conversion cover are detachably fixed through the matching of the limiting lug and the limiting grooves.
Preferably, the scraping and washing strip comprises an inner scraping and washing strip and an outer scraping and washing strip which are respectively abutted with the outer surface of the filtering mechanism and the inner wall of the filter bottle.
Preferably, a lower cover assembly is fixedly arranged outside the pollution discharge control valve, and during pollution discharge, the pollution discharge control valve is driven by the lower cover assembly, so that a pollution discharge sealing element is driven.
Preferably, the conversion cover is provided with a sewage discharge hole A, the framework lower cover is provided with a sewage discharge hole B, and a sewage discharge cavity channel is arranged between the conversion cover and the framework lower cover.
Preferably, a cover body is fixedly arranged outside the machine head.
According to the utility model, under the action of water flow, the filtering mechanism can rotate continuously, and attached dirt is thrown away by centrifugal force.
When the foreign matter blocks the unable rotation of filter equipment, open the drain, manual along the counter current direction rotation lower cover subassembly, the lower cover subassembly has spacingly with rotating the cover bottom, drives and rotates the cover and rotate, and then drives and scrape and wash the skeleton and rotate, and at this moment, because one-way rotating-structure's restriction, filter equipment is static relatively, scrapes and washes the skeleton and clear up the foreign matter attached to filter equipment surface and filter flask inner wall. When the foreign matters are cleaned to a certain degree, the filtering mechanism can automatically rotate, and the lower cover assembly can stop rotating to enter a filtering self-cleaning state.
In the present invention, the pawl structure can also be considered to be similar to the elastic arm structure, and also has similar functions.
The utility model has the beneficial effects that:
through the adjustment of structure, realize leading filter's normalized washing, based on the effect of filter core rotation centrifugal force, avoid the filth to adhere to on filter screen surface, ensure that filtering mechanism's filtration performance maintains a higher level, scrape when washing when really needing manual blowdown, scrape through manual rotation and wash the subassembly, the abundant further washing blowdown of efficient improves leading filter's filtration performance, prolongs leading filter's life.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is an exploded view of FIG. 1;
FIG. 4 is a schematic view of a unidirectional rotation structure of the present invention;
fig. 5 is another schematic view of the unidirectional rotation structure of the present invention.
In the figure: 1. the machine head, 2, filter flask, 3, lower cover subassembly, 4, conversion cover, 5, skeleton lower cover, 6, pawl, 7, skeleton lower cover, 6, scrape and wash the strip, 7, scrape and wash the strip mounting, 8, scrape and wash the skeleton, 9, filter mechanism, 10, driving vane, 11, guiding disc, 12, spring, 13, pawl, 14, elastic arm.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does 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, if there are first and second described only for the purpose of distinguishing technical features, it is not understood that relative importance is indicated or implied or that the number of indicated technical features or the precedence of the indicated technical features is implicitly indicated or implied.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
A pre-filter according to an embodiment of the present invention is described below with reference to fig. 1 to 5.
As shown in fig. 1-5, a pre-filter with a filter element capable of rotating and scraping, the pre-filter comprises a machine head 1 with a water inlet and a water outlet, a filter flask 2 and a drain outlet at the bottom of the filter flask 2, wherein a filter mechanism 9 is arranged in the filter flask 2, and a flow guide disc 11 capable of rotating the inlet water flow is arranged in the machine head 1;
the scraping and washing assembly comprises a scraping and washing framework 8, a scraping and washing strip 6 (fixed through a scraping and washing strip fixing piece 7) and a sewage draining channel;
the filtering mechanism 9 comprises a filtering framework and a filtering net, the filtering mechanism 9 is inserted into the scraping and washing framework 8 and can rotate relatively, and the filtering framework is provided with a driving blade 10;
the blowdown control assembly comprises a blowdown sealing member arranged at a blowdown port, a blowdown control valve is arranged at the outlet of the blowdown sealing member, the inner end of the blowdown sealing member is fixedly connected with the scraping and washing framework 8, and the blowdown sealing member is rotatably and hermetically connected with the filter flask 2;
the unidirectional rotation structure is a ratchet wheel structure or an elastic arm structure arranged between the filter framework and the flow guide disc 11;
when the filtering self-rotation cleaning is carried out, the filtering mechanism 9 can rotate along the water flow direction under the impact of the water flow; when the sewage is cleaned, the scraping and cleaning framework 8 can rotate along with the sewage sealing element along the direction of the counter water flow under the action of external force, and the scraping and cleaning framework 8 rotates relative to the filtering mechanism 9 under the limitation of the unidirectional rotating structure, so that manual scraping and cleaning are realized; and after the sewage discharge and cleaning is finished, the filtration self-rotation cleaning state is recovered.
The utility model has reasonable structural design and convenient assembly and use, and realizes the normalized cleaning of the pre-filter based on the self-rotation centrifugal force of the filter element through the adjustment of the structure. When the dirt is more, when scraping the subassembly card jail, through the reverse scraping of manual mode and wash, the dirt is clear away to the high efficiency, convenient to use, good reliability.
It is specific to this embodiment, be equipped with radial limit structure between filtration skeleton top and the aircraft nose 1, filter the skeleton bottom and scrape and wash and be equipped with radial and axial limit structure between the skeleton 8. Through radial and axial limiting, the rotating axis of the filtering mechanism 9 is stable when rotating, and the filtering mechanism cannot deviate or be stuck.
Further, the unidirectional rotation structure adopts a ratchet structure, the guide disc 11 is circumferentially provided with at least one pawl 13 and an elastic part (spring 12) matched with the pawl 13, the top end of the filtering framework is circumferentially provided with a unidirectional locking rib, and when the scraping and washing framework 8 rotates against the water flow, the pawl 13 is linked with the unidirectional locking rib to limit the synchronous rotation of the filtering mechanism 9.
Specifically, a framework lower cover 5 is arranged at the bottom end of the scraping and washing framework 8, a conversion cover 4 is fixedly arranged at the inner end of the pollution discharge sealing element, and the inner end of the pollution discharge sealing element is connected with the framework lower cover 5 through the conversion cover 4 in a matching mode.
In this embodiment, skeleton lower cover 5 is equipped with spacing lug, and conversion cover 4 is equipped with the spacing groove of adaptation, and through the cooperation of spacing lug and spacing groove, skeleton lower cover 5 can be dismantled fixedly with conversion cover 4.
In this embodiment, the scraping and washing strip 6 comprises an inner scraping and washing strip and an outer scraping and washing strip, which are respectively abutted against the outer surface of the filtering mechanism 9 and the inner wall of the filter flask 2.
Specifically speaking, the blowdown control valve external fixation is equipped with lower cover subassembly 3, during the blowdown, drives the blowdown control valve through lower cover subassembly 3, and then drives the blowdown sealing member, conversion cover 4 is equipped with and is equipped with blowoff hole A, and skeleton lower cover 5 is equipped with blowoff hole B, is equipped with the blowdown chamber way between conversion cover 4 and the skeleton lower cover 5.
In this embodiment, a cover body is fixedly arranged outside the machine head 1.
According to the utility model, under the action of water flow, the filtering mechanism can rotate continuously, and attached dirt is thrown away by centrifugal force.
When the foreign matter blocks the unable rotation of time filter mechanism 9, open the drain, manual along the counter current direction rotation lower cover subassembly 3, lower cover subassembly 3 has spacingly with rotating cover 4 bottom, drives and rotates cover 4 and rotates, and then drives and scrape and wash skeleton 8 and rotate, and at this moment, because one-way rotating-structure's restriction, filter mechanism 9 is static relatively, scrapes and washes skeleton 8 clearance and adheres to the foreign matter on filter mechanism 9 surface and filter flask 2 inner walls. When the foreign matters are cleaned to a certain degree, the filtering mechanism 9 can automatically rotate, and the lower cover assembly 3 can stop rotating to enter a filtering self-cleaning state.
In the present invention, a pawl structure similar to the resilient arm structure is also contemplated, as shown in FIG. 5, and functions similarly.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. A pre-filter with a filter element capable of rotating and scraping is characterized by further comprising a scraping and washing assembly, a pollution discharge control assembly and a one-way rotating structure;
the scraping and washing assembly comprises a scraping and washing framework, a scraping and washing strip and a sewage discharge channel;
the filtering mechanism comprises a filtering framework and a filtering net, the filtering mechanism is inserted in the scraping and washing framework and can rotate relatively, and the filtering framework is provided with a driving blade;
the blowdown control assembly comprises a blowdown sealing member arranged at a blowdown port, a blowdown control valve is arranged at the outlet of the blowdown sealing member, the inner end of the blowdown sealing member is fixedly connected with the scraping and washing framework, and the blowdown sealing member is in rotary sealing connection with the filter flask;
the unidirectional rotation structure is a ratchet wheel structure or an elastic arm structure arranged between the filtering framework and the flow guide disc;
when the filtering self-rotation cleaning is carried out, the filtering mechanism can rotate along the water flow direction under the impact of water flow; when the sewage is cleaned, the scraping and cleaning framework can rotate along with the sewage sealing element along the direction of the counter water flow under the action of external force, and the scraping and cleaning framework rotates relative to the filtering mechanism under the limitation of the unidirectional rotating structure, so that manual scraping and cleaning are realized; and after the sewage discharge and cleaning is finished, the filtration self-rotation cleaning state is recovered.
2. The pre-filter with a filter element capable of rotating and scraping according to claim 1, wherein a radial limiting structure is arranged between the top end of the filter framework and the machine head, and a radial and axial limiting structure is arranged between the bottom end of the filter framework and the scraping framework.
3. The pre-filter with a filter element capable of rotating automatically and scraping and washing as claimed in claim 1, wherein the unidirectional rotation structure adopts a ratchet structure, the guide disc is circumferentially provided with at least one pawl and an adaptive elastic member, the top end of the filter framework is circumferentially provided with a unidirectional stopping rib, and when the scraping and washing framework rotates against the water flow, the pawl and the unidirectional stopping rib are linked to limit the synchronous rotation of the filter mechanism.
4. The pre-filter with a filter element capable of rotating and scraping according to claim 3, wherein a framework lower cover is arranged at the bottom end of the scraping framework, a conversion cover is fixedly arranged at the inner end of the pollution discharge sealing member, and the inner end of the pollution discharge sealing member is connected with the framework lower cover in a matching way through the conversion cover.
5. The pre-filter with filter element spin-on scraping and washing function as claimed in claim 4, wherein the framework lower cover is provided with a limiting projection, the conversion cover is provided with a matching limiting groove, and the framework lower cover and the conversion cover are detachably fixed through the matching of the limiting projection and the limiting groove.
6. A filter cartridge spin-on scraped prefilter as claimed in claim 1 or 2 or 3 wherein said scraping strips comprise inner and outer scraping strips abutting the outer surface of the filter means and the inner wall of the filter bottle, respectively.
7. The pre-filter of claim 1, 2 or 3, wherein the pollution discharge control valve is externally fixed with a lower cover component, and when in pollution discharge, the pollution discharge control valve is driven by the lower cover component, and then the pollution discharge sealing component is driven.
8. The pre-filter with self-rotating filter element and scraping and washing function as claimed in claim 4, wherein the conversion cover is provided with a sewage discharge hole A, the framework lower cover is provided with a sewage discharge hole B, and a sewage discharge cavity is arranged between the conversion cover and the framework lower cover.
9. The pre-filter with filter element self-rotating and scraping function as claimed in claim 1, wherein a cover body is fixedly arranged outside the machine head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122510881.XU CN216170347U (en) | 2021-10-19 | 2021-10-19 | Filter element self-rotating pre-filter with scraping function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122510881.XU CN216170347U (en) | 2021-10-19 | 2021-10-19 | Filter element self-rotating pre-filter with scraping function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216170347U true CN216170347U (en) | 2022-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122510881.XU Active CN216170347U (en) | 2021-10-19 | 2021-10-19 | Filter element self-rotating pre-filter with scraping function |
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| CN (1) | CN216170347U (en) |
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2021
- 2021-10-19 CN CN202122510881.XU patent/CN216170347U/en active Active
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