CN216909376U - Backwashing transverse forward filter with manual scraping function - Google Patents
Backwashing transverse forward filter with manual scraping function Download PDFInfo
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- CN216909376U CN216909376U CN202220648422.XU CN202220648422U CN216909376U CN 216909376 U CN216909376 U CN 216909376U CN 202220648422 U CN202220648422 U CN 202220648422U CN 216909376 U CN216909376 U CN 216909376U
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Abstract
The utility model discloses a backwashing transversely-forward filter with a manual scraping function, which comprises a water storage cavity, a filter element, a first separating component, a second separating component and a power component, and also comprises a knob, wherein the knob is inserted into a sewage discharge chamber, and an inserting end of the knob is provided with an umbrella-shaped driving tooth; the right end of the inner bushing is provided with an umbrella-shaped driven tooth, the umbrella-shaped driving tooth and the umbrella-shaped driven tooth are meshed with each other, and the inner wall of the inner bushing is provided with a plurality of axial first guide grooves or first guide keys; and the outer wall of the piston sleeve is provided with a second guide key or a second guide groove which is matched with the first guide groove or the first guide key. On one hand, the utility model utilizes the pressure difference between the sewage discharge chamber and the purified water communicating chamber as a power source for back flushing, thereby not only having novel conception, but also being very convenient to operate; on the other hand, the utility model also utilizes the knob to drive the scraping and brushing sleeve to rotate in a mode of mutually matching the umbrella-shaped teeth, thereby obtaining ideal cleaning effect.
Description
Technical Field
The utility model relates to a transverse preposed filter, in particular to a transverse preposed filter which has a back washing function and a manual scraping function at the same time.
Background
The applicant discloses in patent 2021229214678 a transverse filter with back flushing function, which can be opened or closed by a power assembly control partition assembly, so that the transverse filter can realize the switching between filtering and back flushing, and the purpose of cleaning the filter core is achieved.
Although the filter element (filter screen) can be cleaned by using a water flow back flushing mode, the cleaning effect of the transversely-arranged filter is poor.
SUMMERY OF THE UTILITY MODEL
The utility model provides a backwashing transverse forward filter with a manual scraping function, and aims to solve the problem of poor filter element cleaning effect in the prior art.
In order to achieve the purpose, the technical scheme provided by the utility model is as follows:
the back-flushing transverse front filter with the manual scraping function comprises a water storage cavity, a filter element, a first separation component, a second separation component and a power component, wherein a left water inlet and a right water outlet are formed at two axial ends of the water storage cavity respectively; the filter element is arranged in the water storage cavity along the axial direction of the water storage cavity and divides the water storage cavity into a water purification area at the inner side of the filter element and a raw water area at the outer side of the filter element; the filter element is provided with an open end which is communicated with the water outlet;
the first separation component can separate the raw water area into a first raw water cavity on the left side and a second raw water cavity on the right side and comprises a water distributor and an annular plugging part, wherein the water distributor surrounds the left side of the filter element and is provided with a plurality of water distribution holes, and the annular plugging part can plug the water distribution holes;
the second separation component can separate the second raw water cavity into a left purified water communication chamber and a right sewage discharge chamber; the filter comprises an inner bushing and a piston sleeve, wherein the piston sleeve is sleeved on the right side of a filter element in a sealing manner, the inner bushing is fixedly arranged in a water storage cavity, the left end of the inner bushing is sleeved on the piston sleeve in a sealing manner, and the middle part of the inner bushing is provided with a communication port for communicating a purified water communication chamber with a sewage discharge chamber;
a power assembly for opening/closing the first partition assembly and simultaneously closing/opening the second partition assembly; the filter element comprises a scraping brush sleeve, a return spring and a blow-down valve, wherein the blow-down valve is arranged in a blow-down chamber, the return spring is arranged in the blow-down chamber and sleeved on the right side of the filter element, the left end of the return spring abuts against a piston sleeve, and the right end of the return spring abuts against the inner wall of the right side of a water storage cavity; the scraping brush sleeve is sleeved in the middle of the filter element, the left end of the scraping brush sleeve is rotatably connected to the annular plugging part, and the right end of the scraping brush sleeve is fixedly connected to the piston sleeve;
the backwashing transverse front filter also comprises a knob, the knob is inserted into the sewage discharging chamber, and an inserting end of the knob is provided with an umbrella-shaped driving tooth; the right end of the inner bushing is provided with an umbrella-shaped driven tooth, the umbrella-shaped driving tooth and the umbrella-shaped driven tooth are meshed with each other, and the inner wall of the inner bushing is provided with a plurality of axial first guide grooves or first guide keys; and the surrounding wall of the piston sleeve is provided with a second guide key or a second guide groove which is matched with the first guide groove or the first guide key.
During filtering, the blowoff valve is in a closed state, and the piston sleeve is supported by the return spring, so that the blowoff chamber and the purified water communicating chamber are separated; at the moment, the annular plugging part is separated from the water distribution hole, and the purified water communicating chamber is communicated with the first raw water cavity. Water flow enters the water purification area on the inner side of the filter element from the water purification communicating chamber and the first raw water cavity respectively after flowing in from the water inlet, and finally flows out from the water outlet.
During back washing, the blowdown valve is opened, at the moment, the pressure of the blowdown chamber is smaller than that of the purified water communicating chamber, the piston sleeve moves to one side of the blowdown chamber along the inner wall of the inner bushing and compresses the return spring until the piston sleeve moves to the communicating port and the purified water communicating chamber is communicated with the blowdown chamber; meanwhile, the annular plugging part moves synchronously along with the piston sleeve, and the annular plugging part plugs the water distribution holes, so that the first raw water cavity and the purified water communicating chamber are separated from each other. Water flow enters the water purifying area inside the filter element from the first raw water cavity after flowing into the water inlet, then reversely passes through the filter element, enters the water purifying communicating chamber, flows to the sewage discharging chamber after passing through the communicating port, and finally flows out through the opened sewage discharging valve.
After the back washing is finished, the blowoff valve is closed again, the pressure difference between the blowoff chamber and the purified water communicating chamber is eliminated, at the moment, the reset spring resets and pushes the piston sleeve to move to one side of the purified water communicating chamber, and the purified water communicating chamber and the blowoff chamber are separated again; at the same time, the annular blocking portion moves synchronously with the piston sleeve and brings the first separating component into the open state again.
It is worth mentioning that no matter in a filtering state or a back flushing state, the umbrella-shaped driven teeth of the inner bushing and the umbrella-shaped driving teeth of the knob are always in a meshing state, and the scraping brush sleeve is fixedly connected with the piston sleeve through the key slot matching between the inner bushing and the piston sleeve, so that when the knob rotates, the scraping brush sleeve can rotate along with the knob, and the cleaning purpose is achieved.
In a preferred embodiment, the annular blocking part comprises a sealing ring and a plurality of hook parts spaced from each other, one end of each hook part is integrally connected to the sealing ring, and the other end of each hook part penetrates through a corresponding water distribution hole of the water distributor and is rotatably connected to the wiping sleeve.
In a recommended embodiment, the backwash transverse front filter further comprises a left water inlet valve head, a tubular filter bottle and a right water outlet valve head, the left end and the right end of the filter bottle are fixedly connected with the water inlet valve head and the water outlet valve head respectively, and the water inlet valve head, the filter bottle and the water outlet valve head are matched with each other to form a water storage cavity.
Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:
on one hand, the utility model utilizes the pressure difference between the sewage discharge chamber and the purified water communicating chamber as a power source for back washing, thereby not only having novel conception, but also being very convenient to operate; on the other hand, the utility model also utilizes the knob to drive the scraping and brushing sleeve to rotate in a mode of mutually matching the umbrella-shaped teeth, thereby obtaining ideal cleaning effect.
Drawings
FIG. 1 is a schematic sectional view showing a filtration state.
Fig. 2 is a schematic sectional structure view in a backwashing state.
Fig. 3 is an exploded view of the filter element, the wiping sleeve, the inner sleeve, and the knob.
Fig. 4 is an exploded view of the filter cartridge.
Fig. 5 is a schematic sectional structure diagram of the preferred embodiment.
Fig. 6 is a perspective view of the rotary sleeve.
Detailed Description
For further understanding of the present invention, the present invention will be described in detail with reference to examples, which are provided for illustration of the present invention but are not intended to limit the scope of the present invention.
Referring to fig. 1 and 2 simultaneously, the backwash cross filter with manual scraping function mainly comprises: the filter comprises a water storage cavity, a filter element, a first separation component, a second separation component, a power component and a knob.
The water storage cavity of the embodiment is formed by a water inlet valve head 11, a filter bottle 12 and a water outlet valve head 13, wherein the water inlet valve head 11 is provided with a water inlet 110; the water outlet valve head 13 is provided with a water outlet 130, and the center lines of the water inlet 110 and the water outlet 130 are overlapped in this embodiment. The filter flask 12 is hollow and tubular, and two ends of the filter flask are respectively fixedly connected with the water inlet valve head 11 and the water outlet valve head 13; the water inlet valve head 11, the filter bottle 12 and the water outlet valve head 13 are installed in a matching manner to form an inner space to form a water storage cavity (not shown in the figure). In addition, in actual production, the filter flask 12 is usually made of transparent plastic for easy observation; meanwhile, in order to meet the pressure-resistant requirement, the water inlet valve head 11 and the water outlet valve head 13 are usually made of copper or plastic.
Referring to fig. 3, the filter element 2 of the present embodiment is substantially cylindrical and is installed in the water storage chamber along the axial direction of the water storage chamber (dashed line a in fig. 1), and referring to fig. 4, the filter element 2 of the present embodiment includes a left frame 21, a right frame 22, a left filter screen 23, a right filter screen 24, and a flow guide cover 25.
The left frame 21 is substantially hollow tubular. The flow guiding cover 25 includes a central cover plate 251 (circular) and a circular flow guiding portion 252, and the flow guiding portion 252 surrounds the periphery of the cover plate 251. As shown in fig. 1, a fastening portion (not shown in the figure due to a view angle) is disposed on a back surface of the cover plate 251 for fastening to a left port of the left frame 21, so as to prevent water from directly entering the filter element 2 without being filtered. The flow guiding portion 252 is composed of a plurality of flow guiding channels spaced from each other and surrounding the cover plate 251, the water inlet end of each flow guiding channel faces the water inlet 110 of the water inlet valve head 11, the water outlet end of each flow guiding channel is designed to be an inclined opening surrounding the left filter screen 23, and the water flow can form a rotational flow effect after flowing out from the water outlet end of the flow guiding channel, so as to wash the left filter screen 23 and prevent the pollutants from adhering to the left filter screen 23.
When the water storage device is installed, the flow guide cover 25 is abutted to the water inlet 110, the open end 224 is directly communicated with the water outlet 130, and the water storage cavity is divided into the water purification area 3 on the inner side of the filter element 2 and the raw water area 4 on the outer side of the filter element 2 by the filter element 2.
Referring to fig. 3 and 4, the first separating component may separate the raw water zone 4 into a first raw water chamber 41 on the left side and a second raw water chamber 42 on the right side, and includes a water distributor 51 and an annular blocking portion 52, the water distributor 51 integrally surrounds the left end of the left frame 21, and is provided with a plurality of water distribution holes (not shown), and the annular blocking portion 52 may block the water distribution holes. Referring to fig. 3, the annular blocking portion 52 of the present embodiment includes a sealing ring 521 and four hook portions 522 spaced from each other, one end of each hook portion 522 is integrally connected to the sealing ring 521, and the other end of each hook portion 522 penetrates through a corresponding water distribution hole of the water distributor 51 and is rotatably connected to the wiping sleeve 7.
The width of the sealing ring 521 is larger than the width of the water distribution holes, when the sealing ring 521 moves axially to the right, all the water distribution holes can be blocked, at this time, the first separating component is closed, and the raw water area 4 is separated into a first raw water cavity 41 on the left side and a second raw water cavity 42 on the right side. When the sealing ring 521 moves to the left, the water distribution hole is opened, and the first partition member is opened, and the first raw water chamber 41 and the second raw water chamber 42 are communicated with each other again.
And a second partition member for partitioning the second raw water chamber 42 into a purified water communicating chamber 43 and a sewage discharging chamber 44 on the left side. The piston type pipe joint comprises an inner bushing 61 and a piston sleeve 62, wherein the piston sleeve 62 is sleeved at the left end of the solid pipe section 222 in a sealing mode, and axial second guide keys 621 are arranged on the outer wall of the piston sleeve 62 at intervals.
The inner liner 61 is fixedly arranged in the water storage cavity, the inner wall of the inner liner 61 is provided with a plurality of first guide grooves 611 matched with the second guide keys 621, the left end of the inner liner 61 can be sleeved on the piston sleeve 62 in a sealing manner, the middle of the inner liner 61 is provided with a communication port 610 for communicating the purified water communication chamber 43 with the sewage discharge chamber 44, and the right end face of the inner liner 61 is provided with an umbrella-shaped driven tooth 612.
Normally, the piston sleeve 62 is sealed to the inner sleeve 61, and the clean water communication chamber 43 and the soil discharge chamber 44 are separated from each other. When the piston sleeve 62 moves toward one side of the soil discharge chamber 44 along the inner wall of the inner sleeve 61 until the piston sleeve 62 moves to the communication port 610, the clean water communication chamber 43 and the soil discharge chamber 44 communicate with each other.
A power assembly for opening/closing the first partition assembly and simultaneously closing/opening the second partition assembly; it is including scraping brush cover 7, reset spring 71 and blowoff valve 72, blowoff valve 72 is installed in blowdown room 44, reset spring 71 is installed in blowdown room 44 to the solid pipe section 222 of filter core 2 is located to the cover, and reset spring 71's left end supports and leans on in piston sleeve 62, and reset spring 71's right-hand member supports and leans on in the right side inner wall in water storage chamber. Scrape brush cover 7 cover and locate and paste in the right filter screen 24 of filter core 2 tightly, scrape the left end of brush cover 7 and rotationally connect in the couple portion 522 of cyclic annular shutoff portion 52, scrape the right-hand member fixed connection of brush cover 7 in piston cover 62.
The backwashing transversely forward filter also comprises a knob 8, the knob 8 is inserted into the sewage discharging chamber 44 from outside to inside, and an umbrella-shaped driving tooth 81 is arranged at the insertion end of the knob 8; the umbrella-shaped driving tooth 81 and the umbrella-shaped driven tooth 612 are meshed with each other.
With continued reference to fig. 4, the distributor 51 is provided with two symmetrical protrusions 510, and the protrusions 510 are used to match with corresponding grooves (not shown) in the filter flask 12, so that the filter element 2 is fixedly installed in the water storage chamber.
After the installation is completed, the first partition member partitions the raw water zone 4 into a first raw water chamber 41 on the left side and a second raw water chamber 42 on the right side, and the second partition member partitions the second raw water chamber 42 into a purified water communicating chamber 43 and a sewage discharging chamber 44.
The action process of the embodiment is as follows:
during filtering, the blowoff valve 72 is in a closed state, and the piston sleeve 62 is supported by the return spring 71 and is in sealing connection with the inner bushing 61, so that the blowoff chamber 44 and the purified water communication chamber 43 are separated; at this time, the annular blocking portion 52 is separated from the water distribution holes, and the purified water communication chamber 43 communicates with the first raw water chamber 41. After flowing in from the water inlet 110, the water flows into the water purifying area 3 inside the filter element 2 from the water purifying communicating chamber 43 and the first raw water cavity 41 respectively, and finally flows out from the water outlet 130.
During back flushing, the blowdown valve 72 is opened, at the moment, the pressure of the blowdown chamber 44 is smaller than that of the purified water communicating chamber 43, the piston sleeve 62 moves to one side of the blowdown chamber 44 under the action of pressure difference along the inner wall of the inner bushing 61 and compresses the return spring 71 until the piston sleeve 62 moves to the communicating port 610 and the purified water communicating chamber 43 is communicated with the blowdown chamber 44; meanwhile, the annular blocking part 52 moves synchronously with the wiping sleeve 7 and the piston sleeve 62, and the annular blocking part 52 blocks the water distribution holes and separates the first raw water chamber 41 and the purified water communicating chamber 43 from each other. After flowing in from the water inlet 110, the water flow firstly enters the water purification area 3 inside the filter element 2 from the first raw water cavity 41, then reversely passes through the filter element 2, enters the purified water communication chamber 43, flows to the sewage discharge chamber 44 after passing through the communication port 610, and finally flows out through the opened sewage discharge valve 72.
After the back flushing is finished, the blowoff valve 72 is closed again, the pressure difference between the blowoff chamber 44 and the purified water communicating chamber 43 is eliminated, at the moment, the return spring 71 is reset and pushes the piston sleeve 62 to move towards one side of the purified water communicating chamber 43, and the purified water communicating chamber 43 and the blowoff chamber 44 are separated again; at the same time, the annular blocking portion 52 moves synchronously with the piston sleeve 62 and brings the first separating element into the open state again.
It should be noted that, no matter in the filtering state or the back flushing state, the umbrella-shaped driven teeth 612 of the inner bushing 61 and the umbrella-shaped driving teeth 81 of the knob 8 are always in the meshing state, and the scraping brush sleeve 7 is fixedly connected with the piston sleeve 62 through the key slot matching between the inner bushing 61 and the piston sleeve 62, so that the scraping brush sleeve 7 can rotate along with the rotation of the knob 8 in the filtering state or the back flushing state, thereby achieving the purpose of cleaning.
PREFERRED EMBODIMENTS
Referring to fig. 5 and 6, the structure of the preferred embodiment is substantially the same as that of the above-mentioned embodiment, and the main difference is that the present embodiment adds a rotating sleeve structure to the above-mentioned embodiment.
Specifically, the rotary sleeve 9 is sleeved on the outer side of the scraping brush sleeve 7, and the rotary sleeve 9 includes a hollow sleeve body 91 and a plurality of blades 92 integrally connected to the outer wall of the right side of the sleeve body 91.
When the scraper brush sleeve 7 is installed, the right outer wall of the scraper brush sleeve 7 is provided with a support ring 70, and the right end of the rotary sleeve 9 is abutted against the support ring 70. The rotary sleeve 9 is sleeved outside the scraping and brushing sleeve 7 and is arranged between the filter bottle 12 and the scraping and brushing sleeve 7, the blade 92 of the rotary sleeve 9 is close to the inner wall of the filter bottle 12, and a certain distance is kept between the blade 92 and the inner wall of the filter bottle 2.
When the waste valve 72 is opened, the water flow will impact the vanes 92 and cause the swivel sleeve 9 to rotate at a high speed, which will agitate the water in the filter flask 12 and break up some of the particulate impurities, thereby facilitating waste removal.
The present invention has been described in detail with reference to the embodiments, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (3)
1. The back-washing transverse front filter with the manual scraping function comprises a water storage cavity, a filter element, a first partition component, a second partition component and a power component, wherein a left water inlet and a right water outlet are formed at two axial ends of the water storage cavity respectively; the filter element is arranged in the water storage cavity along the axial direction of the water storage cavity and divides the water storage cavity into a water purification area at the inner side of the filter element and a raw water area at the outer side of the filter element; the filter element is provided with an open end which is communicated with the water outlet;
the first separation component can separate the raw water area into a first raw water cavity on the left side and a second raw water cavity on the right side and comprises a water distributor and an annular plugging part, wherein the water distributor surrounds the left side of the filter element and is provided with a plurality of water distribution holes, and the annular plugging part can plug the water distribution holes;
the second separation component can separate the second raw water cavity into a purified water communication chamber on the left side and a sewage discharge chamber on the right side; the filter comprises an inner bushing and a piston sleeve, wherein the piston sleeve is sleeved on the right side of a filter element in a sealing manner, the inner bushing is fixedly arranged in a water storage cavity, the left end of the inner bushing is sleeved on the piston sleeve in a sealing manner, and the middle part of the inner bushing is provided with a communication port for communicating a purified water communication chamber with a sewage discharge chamber;
a power assembly for opening/closing the first partition assembly and simultaneously closing/opening the second partition assembly; the filter element comprises a scraping brush sleeve, a return spring and a blow-down valve, wherein the blow-down valve is arranged in a blow-down chamber, the return spring is arranged in the blow-down chamber and sleeved on the right side of the filter element, the left end of the return spring abuts against a piston sleeve, and the right end of the return spring abuts against the inner wall of the right side of a water storage cavity; the scraping brush sleeve is sleeved in the middle of the filter element, the left end of the scraping brush sleeve is rotatably connected to the annular plugging part, and the right end of the scraping brush sleeve is fixedly connected to the piston sleeve;
the method is characterized in that: the backwashing transverse front filter also comprises a knob, the knob is inserted into the sewage discharging chamber, and an inserting end of the knob is provided with an umbrella-shaped driving tooth; the right end of the inner bushing is provided with an umbrella-shaped driven tooth, the umbrella-shaped driving tooth and the umbrella-shaped driven tooth are meshed with each other, and the inner wall of the inner bushing is provided with a plurality of axial first guide grooves or first guide keys; and the outer wall of the piston sleeve is provided with a second guide key or a second guide groove which is matched with the first guide groove or the first guide key.
2. The backwash transverse pre-filter with manual scraping function as claimed in claim 1, wherein: the annular plugging part comprises a sealing ring and a plurality of hook parts which are spaced from each other, one end of each hook part is connected with the sealing ring in an integrated forming mode, and the other end of each hook part penetrates through the corresponding water distribution hole of the water distributor and is rotatably connected with the scraping brush sleeve.
3. The backwash transverse pre-filter with manual scraping function as claimed in claim 1, wherein: the back flush transverse front filter further comprises a left water inlet valve head, a tubular filter bottle and a right water outlet valve head, the left end and the right end of the filter bottle are fixedly connected with the water inlet valve head and the water outlet valve head respectively, and the water inlet valve head, the filter bottle and the water outlet valve head are matched with each other to form a water storage cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220648422.XU CN216909376U (en) | 2022-03-24 | 2022-03-24 | Backwashing transverse forward filter with manual scraping function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220648422.XU CN216909376U (en) | 2022-03-24 | 2022-03-24 | Backwashing transverse forward filter with manual scraping function |
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| Publication Number | Publication Date |
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| CN216909376U true CN216909376U (en) | 2022-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220648422.XU Active CN216909376U (en) | 2022-03-24 | 2022-03-24 | Backwashing transverse forward filter with manual scraping function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024099354A1 (en) * | 2022-11-11 | 2024-05-16 | 海宁市倍世环保科技有限公司 | Horizontal front-loaded composite layered-type filter having backwashing function |
-
2022
- 2022-03-24 CN CN202220648422.XU patent/CN216909376U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024099354A1 (en) * | 2022-11-11 | 2024-05-16 | 海宁市倍世环保科技有限公司 | Horizontal front-loaded composite layered-type filter having backwashing function |
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