CN208742034U - Lift backwash filter - Google Patents

Lift backwash filter Download PDF

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Publication number
CN208742034U
CN208742034U CN201821003808.5U CN201821003808U CN208742034U CN 208742034 U CN208742034 U CN 208742034U CN 201821003808 U CN201821003808 U CN 201821003808U CN 208742034 U CN208742034 U CN 208742034U
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China
Prior art keywords
filter core
backwash
lifting
frame body
outer barrel
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CN201821003808.5U
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Chinese (zh)
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娓告旦
游浩
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Haining Meikang Environmental Protection Technology Co Ltd
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Haining Meikang Environmental Protection Technology Co Ltd
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Priority to CN201821003808.5U priority Critical patent/CN208742034U/en
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Abstract

The utility model discloses a kind of lift backwash filters, including outer barrel, outer barrel upper end is connected with the end cap with inlet and outlet, outer barrel lower end connects blowdown component, lifting filter core is equipped in outer barrel, lifting filter core is circumferentially covered with strainer, and it goes up and down filter core outer circumferential and forms the raw water chamber being connected in a ring and with water inlet outer barrel week inwardly, lifting forms the water-purifying cavity being connected with water outlet in filter core week inwardly, lifting filter core outer circumferential be arranged with positioned at raw water it is intracavitary scrape frame body, scrape frame body connection rotation drive structure, it scrapes and is equipped with lifting driving structure between frame body and lifting filter core, backwash channel is equipped between lifting filter core upper end and end cap, backwash one end of the channel is connected with water inlet, the other end is connected with water-purifying cavity, and lifting filter core upper end is equipped with backwash control Structure.The utility model has many advantages, such as easy to use, and structure is simple and can easily carry out backwash filter.

Description

Lift backwash filter
Technical field
The utility model belongs to art of filters more particularly to a kind of lift backwash filter.
Background technique
With the continuous improvement of people's living standards, people increasingly focus on the quality of the life of oneself, the matter of household water Amount is also increasingly valued by people, although tap water carried out the water such as sterilization, filtering, disinfection in waterworks before supply Control techniques reaches drinking water standard, but since the control techniques of waterworks is basic measure, and in water service mistake Cheng Zhong is flowed through using time longer water service pipeline, and pipeline is interior often to have more dirt without cleaning due to long-time, The tap water for being supplied to family often contains there are many bacterium and pollutant, therefore more and more families begin to use drinking water net Hydrophone.
Water purifier has impurity during use and remains on strainer, so traditional filter screen needs user regular Cleaning is unpicked and washed, using being inconvenient, causes the trouble of user.
In order to solve the above-mentioned technical problem, people have carried out long-term exploration, such as Chinese patent discloses a kind of integrate The terraced direct drinking water treatment system [application number: CN201710345272.9] of formula point, including for being connected with running water pipe water inlet pipe, Outlet pipe for connecting with user terminal is connected with filter, disinfection by ultraviolet light in turn between the water inlet pipe and outlet pipe Device, water storage box, ozonateur, the side of the ozonateur are equipped with water pump, and the water inlet pipe is equipped with water inlet electromagnetism Valve, water feeding one-way valve, the outlet pipe are equipped with water one-way valve, water outlet solenoid valve.
Above scheme is backwashed by connecting backwash tube on reversal valve to clean filter screen, does not need to filter Net disassembly, cleaning, it is convenient for users to use to a certain extent, but above scheme still has defect, such as structure is excessively The disadvantages of complexity, higher cost.
Utility model content
The purpose of this utility model is in view of the above-mentioned problems, providing a kind of simple lift backwash filter of structure.
In order to achieve the above objectives, the utility model uses following technical proposal:
A kind of lift backwash filter, including being in hollow outer barrel, the outer barrel upper end, which is connected with, to be had The end cap of inlet and outlet, the outer barrel lower end connect blowdown component, be equipped in outer barrel be cylindrical in shape and with it is outer The body concentric lifting filter core of cylinder, the lifting filter core are circumferentially covered with strainer, and the lifting filter core outer circumferential and outer cylinder Form the raw water chamber being connected in a ring and with water inlet body week inwardly, the lifting filter core week is formed inwardly and water outlet The water-purifying cavity being connected, the lifting filter core outer circumferential be arranged with positioned at raw water it is intracavitary scrape frame body, it is described to scrape frame body It is connected with and is able to drive its rotation drive structure circumferentially rotated, described scrape is equipped between frame body and lifting filter core and ought scrape frame Body can drive lifting filter core relative to the lifting driving structure for scraping frame body and axially moving up and down when circumferentially rotating, in lifting filter core Backwash channel is equipped between upper end and end cap, the backwash one end of the channel is connected with water inlet, the other end and water purification Chamber is connected, and the lifting filter core upper end be equipped with when go up and down filter core axially go up and down when can will backwash channel open or close Backwash control structure.
In above-mentioned lift backwash filter, the backwash control structure includes being connected with outer barrel and position Backwash frame above lifting filter core, the lower end of the backwash frame extend downwardly and can be plugged in inside lifting filter core Guide cylinder, offers several through-holes on the guide cylinder, and when going up and down filter shaft and moving up and down, guide cylinder is relative to lifting Filter core sliding is to make through-hole open or close, and described through-hole one end is connected with water inlet, the other end and water-purifying cavity phase Connection is to form above-mentioned backwash channel.
In above-mentioned lift backwash filter, the lifting filter core and scrape between frame body have both ends respectively with The positive filtration channel that water inlet is connected with raw water chamber, and the positive filtration channel is opened or closed by the axial direction of lifting filter core Elevating movement control, the lifting filter core upper end outer circumferential encloses equipped with sealing ring, can make lifting filter core move axially to When the lowermost its outer circumferential with to scrape frame body inner circumferential wall in sealing contact, it is described to scrape frame body upper end outer circumferential and end It is in sealing contact between lid inner circumferential wall, make the raw water come in from water inlet that can only enter raw water chamber by positive filtration channel.
In above-mentioned lift backwash filter, the backwash frame is circumferentially positioned in institute by circumferential positioning structure It states on outer barrel;The guide cylinder is plugged in the lifting filter core by axial guiding structure.
In above-mentioned lift backwash filter, the circumferential positioning structure include it is several be provided with outer barrel circumferential direction The limiting groove of inside, the backwash frame outer circumferential are provided with several retention beads being adapted with the limiting groove, The limiting groove is inserted in the retention bead.
In above-mentioned lift backwash filter, the axial guiding structure includes that at least one setting is filtered in lifting Core week axial raised line inwardly, the guide cylinder outer circumferential is provided at least one axis adaptable with the axial raised line To groove, the axial direction raised line is inserted in the axial notch.
In above-mentioned lift backwash filter, there is the drainage cylinder being connected to water outlet, institute in the end cap The upper end for stating backwash frame has the end cap seal portion contacted with the drainage cylinder lower end, and the end cap seal portion is in sealing contact In the lower end surface of the drainage cylinder;Having on the backwash frame positioned at the upper end of guide cylinder can be with the lifting filter core top The channel closing seam portion of portion's contact, channel closing seam portion are filtered when going up and down filter core and being in propradation with the lifting Core is in sealing contact to close backwash channel, separate when going up and down filter core and being in decline state with the lifting cartridge top from And open backwash channel.
In above-mentioned lift backwash filter, buffering elastic is provided between the backwash frame and lifting filter core Spring;The guide cylinder outer circumferential is located at through hole and is covered with filter screen.
In above-mentioned lift backwash filter, the lifting driving structure includes that lifting filter core bottom is arranged in First connecting portion, the outer circumferential of the first connecting portion are provided with external screw thread, and the bottom for scraping frame body is provided with second Interconnecting piece, and the week of the second connecting portion has the internal screw thread being adapted with the external screw thread inwardly.
In above-mentioned lift backwash filter, the blowdown component includes the blowdown for being provided with outer barrel bottom Mouthful, the sewage pipe for circumferentially rotating and being connected with outer barrel is equipped in the sewage draining exit, the lower end of the sewage pipe is circumferential solid respectively Surely it is connected with rotation seat and is threaded with blowdown valve, the bottom for scraping frame body is extended with a connection frame body, the sewage pipe Upper end be arranged in the connection frame body, and the sewage pipe and the circumferentially fixed connection of the connection frame body, and the rotation Driving structure includes the sewage pipe, rotation seat and connection frame body.
The utility model lift backwash filter has the advantage that 1, structure is simple compared to the prior art, makes With conveniently;2, open or close backwash channel by lifting structure;3, use helicitic texture as lifting structure, there is knot The advantages that structure is simple, at low cost, is hardly damaged.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is schematic diagram of internal structure when the utility model backwash channel is opened;
Fig. 3 is the annexation figure of lifting filter core and backwash frame when the utility model backwash channel is opened;
Fig. 4 is the structural schematic diagram of the utility model backwash frame;
Fig. 5 is to backwash channel in the utility model to be opened and be equipped with the structural schematic diagram of kick spring;
Fig. 6 is schematic diagram of internal structure when positive filtration channel is opened in the utility model;
Fig. 7 is the configuration schematic diagram of the utility model outer barrel Yu blowdown component;
Fig. 8 is the structural schematic diagram of the utility model lifting filter core;
Fig. 9 is the structural schematic diagram of the utility model end cap;
Figure 10 is the structural schematic diagram that the utility model scrapes frame body.
Appended drawing reference: outer barrel 1;Limiting groove 11;End cap 2;Water inlet 21;Water outlet 22;Drain cylinder 23;Blowdown group Part 3;Blowdown valve 31;Sewage pipe 32;Revolve seat 33;Go up and down filter core 4;Axial raised line 41;First sealing ring mounting portion 42;First connection Portion 43;External screw thread 44;Scrape frame body 5;Second connecting portion 51;Internal screw thread 52;Connect frame body 53;Second sealing ring mounting portion 54; Vertical portion 55;Buffer spring 6;Backwash frame 8;Backwash channel 81;Guide cylinder 83;Through-hole 84;End cap seal portion 85;Channel is closed Close sealing 86;Retention bead 87;Axial notch 88;Positive filtration channel 91.
Specific embodiment
It is the preferred embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further Description, but the utility model is not limited to these examples.
As shown in Figure 1, the lift backwash filter of the utility model includes in hollow outer barrel 1, on outer barrel 1 End is connected with the end cap 2 with water inlet 21 and water outlet 22, and 1 lower end of outer barrel connects blowdown component 3, in outer barrel It is equipped in 1 and is cylindrical in shape and the lifting filter core 4 concentric with outer barrel 1, go up and down 4 outer circumferential of filter core and outer barrel 1 week shape inwardly At the raw water chamber being connected in a ring and with water inlet 21, is formed within the lifting filter core 4 weeks and be connected with water outlet 22 inwardly Water-purifying cavity.In addition, lifting filter core 4 is circumferential to be covered with strainer, for carrying out the raw water for entering raw water chamber from water inlet 21 Filter, raw water enter water-purifying cavity after filter screen filtration, then flow out to water outlet 22 from water-purifying cavity.
The present embodiment essentially consists in, lifting 4 outer circumferential of filter core be arranged with positioned at raw water it is intracavitary scrape frame body 5, scrape It washes on frame body 5 and is provided with vertical portion 55, can be used to that the strainer for being in contact and/or going up and down with 1 inner wall of outer barrel on filter core 4 is installed What outer wall was in contact scrapes item.Further, it scrapes frame body 5 and is connected with and be able to drive its rotation drive structure circumferentially rotated, Scrape frame body 5 and driven while rotation and scrape the rotation of item, scrape item pass through it is clear with wall friction in strainer outer wall and outer barrel 1 1 inner wall of filter wash net outer wall and outer barrel.
And it scrapes to be equipped between frame body 5 and lifting filter core 4 and can drive lifting filter core 4 when scraping frame body 5 and circumferentially rotating Relative to the lifting driving structure for scraping frame body 5 and axially moving up and down, that is to say, that rotation drive structure scrapes frame body in driving 5 can drive lifting filter core 4 to carry out elevating movement relative to frame body 5 is scraped while circumferentially rotating.
Further, as shown in Figures 2 and 3, backwash channel 81 is equipped between lifting 4 upper end of filter core and end cap 2, when When backwashing the opening of channel 81, backwash 81 one end of channel is connected with water inlet 21, and the other end is connected with water-purifying cavity, And lifting 4 upper end of filter core is equipped with the backwash control that can open or close backwash channel 81 when going up and down the axially lifting of filter core 4 Structure processed.
Specifically, backwash control structure here includes the recoil for being connected and being located at outer barrel 1 and go up and down 4 top of filter core Frame 8 is washed, as shown in figure 4, the lower end of backwash frame 8 extends downwardly the guide cylinder 83 that can be plugged in inside lifting filter core 4, institute It states and offers several through-holes 84 on guide cylinder 83, and when lifting filter core 4 axially moves up and down, guide cylinder 83 is filtered relative to lifting Core 4 slides axially to open or close through-hole 84, and when through-hole 84 is opened, 21 phase of 84 one end of through-hole and water inlet Connection, the other end are connected to form above-mentioned backwash channel 81 with water-purifying cavity.
Preferably, as shown in figure 5, there is more stably state, the present embodiment in lifting process in order to make to go up and down filter core 4 Buffer spring 6 is set between backwash frame 8 and lifting filter core 4;In addition, in order to avoid under backwashing state impurity pass through it is anti- Irrigation channel 81 enters water-purifying cavity and pollutes effluent characteristics, can also be located at through-hole 84 in 83 outer circumferential of guide cylinder and be covered with Filter screen.
Further, as shown in fig. 6, going up and down filter core 4 and scraping has positive filtration channel 91 between frame body 5, and work as positive mistake Filter channel 91 is connected at its both ends when being opened respectively with water inlet 21 and raw water chamber, and positive filtration channel 91 opens or closes It is controlled by the axial elevating movement of lifting filter core 4, when going up and down the rising of filter core 4, positive filtration channel 91 is opened, when lifting filter core 4 When decline, positive filtration channel 91 is closed.The 4 upper end outer circumferential of lifting filter core is enclosed equipped with the first sealing ring mounting portion 42, the Sealing ring is installed on one sealing ring mounting portion 42, can make to go up and down lifting filter when filter core 4 is moved axially to the lowermost Core upper end outer circumferential is by sealing ring and to scrape 5 inner circumferential wall of frame body in sealing contact to closing positive filtration channel 91;It is rising When dropping the rising of filter core 4, positive filtration channel 91 is opened, while backwashing channel 81 and being closed.Scrape 5 upper end outer circumferential of frame body It is provided with the second sealing ring mounting portion 54, the frame body 5 that scrapes passes through the sealing ring that is mounted on the second sealing ring mounting portion 54 It is in sealing contact between 2 inner circumferential wall of end cap, make the raw water come in when positive filtration condition from water inlet 21 can only be by just filtering Channel 91 enters raw water chamber, can only enter water-purifying cavity by backwash channel 81 when backwashing state.
That is, as shown in Figures 2 and 3, when backwash channel 81 is opened, raw water is come in from water inlet 21 It is entered in water-purifying cavity by backwashing channel 81, since water outlet 22 is closure at this time, so into the water of water-purifying cavity It can reversely be flowed to from lifting filter core 4 in raw water chamber to realize backwash purpose.
Further, backwash frame 8 is circumferentially positioned on the outer barrel 1 by circumferential positioning structure;The guiding Cylinder 83 is plugged in the lifting filter core 4 by axial guiding structure.
As shown in Fig. 7 and Fig. 4, circumferential positioning structure here includes several limits for being provided with outer barrel 1 week inwardly Groove 11, backwash 8 outer circumferential of frame is provided with several retention beads 87 being adapted with the limiting groove 11, described Limiting groove 11 is inserted in the retention bead 87.
As shown in Fig. 8 and Fig. 4, axial guiding structure here includes that at least one setting is going up and down filter core 4 weeks inwardly Axial raised line 41, it is recessed that 83 outer circumferential of guide cylinder is provided at least one axial direction adaptable with the axial raised line 41 Slot 88, the axial direction raised line 41 are inserted in the axial notch 88.
Further, as shown in Fig. 9 and Fig. 4, there is the drainage cylinder 23 being connected to water outlet 22, institute in the end cap 2 The upper end for stating backwash frame 8 has and the end cap seal portion 85 for draining 23 lower end face contact of cylinder, the end cap seal portion 85 lower end surfaces in sealing contact in the drainage cylinder 23, either backwashing state or positive filtration condition, end cap seal portion 85 lower end surfaces in sealing contact always in drainage cylinder 23;On the contrary, being located at the upper end of guide cylinder 83 on backwash frame 8 has energy Enough with the channel closing seam portion 86 for going up and down and contacting at the top of filter core 4, channel closing seam portion 86 is in upper in lifting filter core 4 It is in sealing contact to close backwash channel 81 with the top of the lifting filter core 4 when the state of liter, decline is in lifting filter core 4 When state with separated at the top of the lifting filter core 4 to open backwash channel 81.
Specifically, as shown in figs. 2 and 10, lifting driving structure includes that the first connection of lifting 4 bottom of filter core is arranged in Portion 43, the outer circumferential of the first connecting portion 43 are provided with external screw thread 44, and the bottom for scraping frame body 5 is provided with the second company Socket part 51, and the week of the second connecting portion 51 has the internal screw thread 52 being adapted with the external screw thread 44 inwardly;
In addition, being worn at the sewage draining exit as shown in fig. 7, blowdown component 3 includes being provided with the sewage draining exit of 1 bottom of outer barrel Equipped with the sewage pipe 32 being connected is circumferentially rotated with outer barrel 1, the lower end of the sewage pipe 32 is circumferentially fixed respectively to be connected with rotation seat 33 and it is threaded with blowdown valve 31;As shown in Figure 10, the bottom for scraping frame body 5 is extended with a connection frame body 53, the blowdown The upper end of pipe 32 is arranged in the connection frame body 53, and sewage pipe 32 with connect the circumferentially fixed connection of frame body 53, and rotate and drive Dynamic structure includes the sewage pipe 32, rotation seat 33 and connection frame body 53.
Specifically, the external cross section at 32 both ends of sewage pipe is in polygonized structure here, and 33 center of rotation seat has one and row The adaptable polygonal hole of the polygonized structure of dirty 32 one end of pipe, similarly, connecting on frame body 53 also has with sewage pipe 32 separately The adaptable polygonal hole of the polygonized structure of one end, the polygonized structure at both ends can be equally or different, sewage pipe 32 realize by the polygonized structure at both ends respectively and connect frame body 53 and the rotation circumferentially fixed connection of seat 33.
Course of work explanation: when seat 33 are revolved in rotation, rotation seat 33 drives sewage pipe 32 to circumferentially rotate, and sewage pipe 32 is again Connection frame body 53 is driven to circumferentially rotate to circumferentially rotate to which drive scrapes frame body 5.Scrape the screw thread therewith while rotation of frame body 5 The lifting filter core 4 of connection is axial with the rotation for scraping frame body 5 to be risen or axial decline, it is specific revolve seat 33 rotate counterclockwise or It rotates clockwise and is determined corresponding to rising or falling for filter core 4 of lifting by helicitic texture structure, herein without limiting.It is going up and down Just filtration channel 91 is slowly opened during filter core 4 rises, and backwash channel 81 is closed at leisure, is gone up and down on filter core 4 It rises to top to be closed with 86 phase of channel closing seam portion, backwashes channel 81 at this time and completely close, positive filtration channel 91 is beaten completely It opens, the raw water come in from water inlet 21 enters raw water chamber by positive filtration channel 91, enters water purification after lifting filter core 4 filters Chamber completes water purification work;Backwash channel 81 is slowly opened during going up and down filter core 4 and declining, and positive filtration channel 91 is slowly Closure, the sealing ring that lifting filter core 4 drops to its outer circumferential is contacted with the circumferential inner seal of frame body 5 is scraped, due to scraping frame It is in sealing contact between 2 inner circumferential wall of outer circumferential and end cap of body 5, when positive filtration channel 91 is also closed, water inlet 21 with Access between raw water chamber is turned off, and the raw water come in from water inlet 21 can only be entered after water-purifying cavity instead by backwash channel 81 It to raw water chamber is flowed to, is then discharged from sewage pipe 32, completes backwash work.
The specific embodiments described herein are merely examples of the spirit of the present invention.
Those skilled in the art of the present invention can do described specific embodiment various The similar mode of modify or supplement or adopt substitutes, but without departing from the spirit of the present application or surmounts appended right and want Seek range defined in book.
Although outer barrel 1 is used more herein;Limiting groove 11;End cap 2;Water inlet 21;Water outlet 22;Drainage cylinder Body 23;Blowdown component 3;Blowdown valve 31;Sewage pipe 32;Revolve seat 33;Go up and down filter core 4;Axial raised line 41;First sealing ring mounting portion 42;First connecting portion 43;External screw thread 44;Scrape frame body 5;Second connecting portion 51;Internal screw thread 52;Connect frame body 53;Second sealing Enclose mounting portion 54;Vertical portion 55;Buffer spring 6;Backwash frame 8;Backwash channel 81;Guide cylinder 83;Through-hole 84;End cap seal Portion 85;Channel closing seam portion 86;Retention bead 87;Axial notch 88;The terms such as positive filtration channel 91, but use is not precluded A possibility that other terms.The use of these terms is merely for the convenience of describing and explaining the nature of the invention;? It is contrary to the spirit of the present invention that they, which are construed to any additional limitation all,.

Claims (10)

1. a kind of lift backwash filter, including being in hollow outer barrel (1), the outer barrel (1) upper end is connected with End cap (2) with water inlet (21) and water outlet (22), the outer barrel (1) lower end connects blowdown component (3), in outer cylinder It is equipped in body (1) and is cylindrical in shape and the lifting filter core (4) concentric with outer barrel (1), the lifting filter core (4) are circumferentially covered with filter Net, and the lifting filter core (4) outer circumferential and outer barrel (1) week form in a ring inwardly and are connected with water inlet (21) Raw water chamber, form water-purifying cavity for being connected with water outlet (22) inwardly in lifting filter core (4) week, which is characterized in that institute State lifting filter core (4) outer circumferential and be arranged with and scrape frame body (5) positioned at raw water is intracavitary, it is described scrape frame body (5) and be connected with turn Dynamic driving structure, described scrape is equipped with lifting driving structure between frame body (5) and lifting filter core (4), in lifting filter core (4) upper end Backwash channel (81) is equipped between end cap (2), described backwash channel (81) one end is connected with water inlet (21), separately One end is connected with water-purifying cavity, and lifting filter core (4) upper end is equipped with backwash control structure.
2. lift backwash filter according to claim 1, which is characterized in that the backwash control structure packet The backwash frame (8) for being connected with outer barrel (1) and being located above lifting filter core (4) is included, the lower end of backwash frame (8) is downward The internal guide cylinder (83) of lifting filter core (4) can be plugged in by being extended with, and offer several through-holes on the guide cylinder (83) (84), and described through-hole (84) one end is connected with water inlet (21), and the other end is connected to be formed with water-purifying cavity above-mentioned It backwashes channel (81).
3. lift backwash filter according to claim 1 or 2, which is characterized in that the lifting filter core (4) with scrape Wash the positive filtration channel (91) being connected respectively with water inlet (21) and raw water chamber between frame body (5) with both ends, the lifting Filter core (4) upper end outer circumferential is enclosed equipped with sealing ring, described to scrape frame body (5) upper end outer circumferential and end cap (2) inner circumferential wall Between it is in sealing contact.
4. lift backwash filter according to claim 2, which is characterized in that the backwash frame (8) passes through week It is circumferentially positioned on the outer barrel (1) to location structure;The guide cylinder (83) is plugged in described by axial guiding structure It goes up and down in filter core (4).
5. lift backwash filter according to claim 4, which is characterized in that if the circumferential positioning structure includes Dry to be provided with the limiting groove (11) of outer barrel (1) week inwardly, backwash frame (8) outer circumferential is provided with several and institute Limiting groove (11) adaptable retention bead (87) is stated, the limiting groove (11) is inserted in the retention bead (87).
6. lift backwash filter according to claim 4, which is characterized in that the axial guiding structure includes extremely The axial raised line (41) of a few setting in lifting filter core (4) week inwardly, guide cylinder (83) outer circumferential be provided with to Few one axial notch (88) adaptable with the axial raised line (41), it is recessed that the axial direction raised line (41) is inserted in the axial direction In slot (88).
7. lift backwash filter according to claim 2, which is characterized in that have in the end cap (2) and go out The upper end of the drainage cylinder (23) of the mouth of a river (22) connection, backwash frame (8) has and terminates under the drainage cylinder (23) The end cap seal portion (85) of touching, the end cap seal portion (85) lower end surface in sealing contact in drainage cylinder (23);It is described The upper end for being located at guide cylinder (83) in backwash frame (8) has and can be closed with the channel contacted at the top of lifting filter core (4) Sealing (86).
8. lift backwash filter according to claim 2, which is characterized in that the backwash frame (8) and lifting Buffer spring (6) are provided between filter core (4);Guide cylinder (83) outer circumferential, which is located at through-hole (84), is covered with filtering Net.
9. lift backwash filter according to claim 1, which is characterized in that the lifting driving structure includes setting The first connecting portion (43) in lifting filter core (4) bottom is set, the outer circumferential of the first connecting portion (43) is provided with external screw thread (44), the bottom for scraping frame body (5) is provided with second connecting portion (51), and the week of the second connecting portion (51) is inwardly With the internal screw thread (52) being adapted with the external screw thread (44).
10. according to claim 1 or lift backwash filter described in 9, which is characterized in that blowdown component (3) packet The sewage draining exit for being provided with outer barrel (1) bottom is included, is equipped in the sewage draining exit and circumferentially rotates the blowdown being connected with outer barrel (1) It manages (32), the lower end of the sewage pipe (32) is circumferentially fixed respectively to be connected with rotation seat (33) and is threaded with blowdown valve (31), The bottom for scraping frame body (5) is extended with a connection frame body (53), and the upper end of the sewage pipe (32) is arranged in the connection In frame body (53), and the sewage pipe (32) and the circumferentially fixed connection of the connection frame body (53), and the rotation drive structure Including the sewage pipe (32), rotation seat (33) and connection frame body (53).
CN201821003808.5U 2018-06-27 2018-06-27 Lift backwash filter Active CN208742034U (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110645442A (en) * 2019-09-29 2020-01-03 路达(厦门)工业有限公司 Water passing device
CN111109050A (en) * 2020-01-08 2020-05-08 河南及时雨智能科技有限公司 Sand filter for lifting column
CN112827235A (en) * 2021-01-19 2021-05-25 海宁美康环保科技有限公司 Back-flushing type pre-filter
CN112827247A (en) * 2021-01-19 2021-05-25 海宁美康环保科技有限公司 Pre-filter with double-turbine cleaning function
CN114873809A (en) * 2020-09-13 2022-08-09 陈志伟 Pool type water treatment device and system with lifting filter element and external liquid pump
CN115430190A (en) * 2021-06-04 2022-12-06 浙江美固科技有限公司 One-key backwashing prefilter
CN115999241A (en) * 2021-10-21 2023-04-25 海宁市水享净水设备有限公司 Left-turning scraping and washing and right-turning water purifying back flushing structure without ball valve
CN116952667A (en) * 2023-09-21 2023-10-27 三峡智慧水务科技有限公司 Sewage pipe network water quality sampling tube capable of preventing blockage
CN117138423A (en) * 2023-10-31 2023-12-01 南通海狮船舶机械有限公司 Backwash filter convenient to maintain
CN117232690A (en) * 2023-11-14 2023-12-15 山东辰智电子科技有限公司 Ultrasonic heat meter

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110645442A (en) * 2019-09-29 2020-01-03 路达(厦门)工业有限公司 Water passing device
CN110645442B (en) * 2019-09-29 2021-05-18 路达(厦门)工业有限公司 Water passing device
CN111109050A (en) * 2020-01-08 2020-05-08 河南及时雨智能科技有限公司 Sand filter for lifting column
CN114873809A (en) * 2020-09-13 2022-08-09 陈志伟 Pool type water treatment device and system with lifting filter element and external liquid pump
CN114873770A (en) * 2020-09-13 2022-08-09 陈志伟 Pool type water treatment device and system with rotary filter element and external liquid pump
CN112827235A (en) * 2021-01-19 2021-05-25 海宁美康环保科技有限公司 Back-flushing type pre-filter
CN112827247A (en) * 2021-01-19 2021-05-25 海宁美康环保科技有限公司 Pre-filter with double-turbine cleaning function
CN112827235B (en) * 2021-01-19 2022-02-15 海宁美康环保科技有限公司 Back-flushing type pre-filter
CN115430190A (en) * 2021-06-04 2022-12-06 浙江美固科技有限公司 One-key backwashing prefilter
CN115430190B (en) * 2021-06-04 2023-12-19 浙江美固科技有限公司 One-key back flushing prefilter
CN115999241A (en) * 2021-10-21 2023-04-25 海宁市水享净水设备有限公司 Left-turning scraping and washing and right-turning water purifying back flushing structure without ball valve
CN115999241B (en) * 2021-10-21 2023-10-20 海宁市水享净水设备有限公司 Left-turning scraping and washing and right-turning water purifying back flushing structure without ball valve
CN116952667A (en) * 2023-09-21 2023-10-27 三峡智慧水务科技有限公司 Sewage pipe network water quality sampling tube capable of preventing blockage
CN116952667B (en) * 2023-09-21 2023-12-15 三峡智慧水务科技有限公司 Sewage pipe network water quality sampling tube capable of preventing blockage
CN117138423A (en) * 2023-10-31 2023-12-01 南通海狮船舶机械有限公司 Backwash filter convenient to maintain
CN117138423B (en) * 2023-10-31 2023-12-29 南通海狮船舶机械有限公司 Backwash filter convenient to maintain
CN117232690A (en) * 2023-11-14 2023-12-15 山东辰智电子科技有限公司 Ultrasonic heat meter
CN117232690B (en) * 2023-11-14 2024-02-09 山东辰智电子科技有限公司 Ultrasonic heat meter

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