CN213790253U - Rotary filter - Google Patents

Abstract

The utility model discloses a rotary filter relates to filtration equipment technical field, and its technical scheme main points are: the filter comprises a filter body, a filtering assembly, a control hand wheel and a blow-down valve, wherein a water inlet flow passage and a water outlet flow passage are formed in the filter body, a cavity for communicating the water inlet flow passage with the water outlet flow passage is formed in the filter body, and a blow-down flow passage communicated with the cavity is formed at the lower end of the filter body; the filter assembly rotates and sets up in the cavity, filter assembly's upper end run through filter body and with control hand wheel connection, the blowoff valve sets up in blowdown runner, the break-make of blowdown runner can be controlled to the blowoff valve, and the blowoff valve is connected with filter assembly's lower extreme, filter assembly has the water purification chamber, the last connection runner of seting up the water purification chamber of UNICOM of filter assembly, the connection runner can feed through into water runner or play water runner. The user just can comparatively easily rotate filtering component through the control hand wheel, opens the blowdown valve simultaneously, and convenient to use person operates.

Description

Rotary filter

Technical Field

The utility model relates to a filtration equipment technical field, in particular to rotary filter.

Background

The pre-filter belongs to a main pipeline water quality purification product, is called a filter for short, is arranged at any water pipe behind a water meter and in front of a first water outlet faucet in a home, ensures that a large amount of precipitated impurities generated in a water supply network cannot cause harm to a human body, and plays a pre-protection role in the water pipe and wading equipment (such as a water softener, a water purifier or a direct drinking machine and the like) arranged on the water pipe.

At present, a Chinese patent with publication number CN204841110U discloses a pre-filter, which comprises a cylinder, a filter element, a cover body and a copper core blow-down valve, wherein the cylinder is screwed with the cover body above the cylinder, the filter element is arranged in the cylinder, the cylinder and the filter element are an integrated open structure, one end of the cylinder is a water inlet, the other end of the cylinder is a water outlet, the copper core blow-down valve is arranged at the lower end of the cylinder, and the lower end of the copper core blow-down valve is a blow-down outlet; when the filter works, the water flow guide valve is in an open state, water flow enters the filter from the inlet, the water flow is filtered to the outlet through the filter element, and dirt, impurities and the like in water are intercepted by the filter element.

The technical scheme has the following defects: this leading filter passes through the blowdown of copper core blowoff valve, and the copper core blowoff valve is influenced by external operating space and debris easily to it is comparatively inconvenient to lead to this leading filter's blowdown.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a rotary filter, its advantage that has the simple operation.

The above technical purpose of the present invention can be achieved by the following technical solutions: a rotary filter comprises a filter body, a filtering assembly, a control hand wheel and a blow-down valve, wherein a water inlet flow passage and a water outlet flow passage are formed in the filter body, a cavity for communicating the water inlet flow passage with the water outlet flow passage is formed in the filter body, and a blow-down flow passage communicated with the cavity is formed in the lower end of the filter body; the filter assembly rotate set up in the cavity, filter assembly's upper end run through filter body and with control hand wheel connects, the blowoff valve set up in the blowdown runner, the blowoff valve can control the break-make of blowdown runner, just the blowoff valve with filter assembly's lower extreme is connected, filter assembly has the water purification chamber, the UNICOM has been seted up on the filter assembly the connection runner in water purification chamber, the connection runner can communicate the runner of intaking or go out the water runner.

Through the technical scheme, the connecting flow channel is communicated with the water outlet flow channel under normal conditions, raw water (to-be-filtered water) enters the cavity through the water inlet flow channel and enters the water purifying cavity after being filtered by the filtering component, impurities in the raw water are intercepted in the cavity by the filtering component, and the filtered purified water in the water purifying cavity flows into the water outlet flow channel; when the filter assembly needs to be cleaned, the filter assembly is driven to rotate by the control hand wheel, so that a connecting flow channel on the filter assembly is communicated with a water inlet flow channel, meanwhile, a drain valve is indirectly driven to open, the drain valve is communicated with a drain flow channel, raw water and impurities in a cavity are discharged to the outside through the drain flow channel, and the raw water enters a water purification cavity through the connecting flow channel and flows into the cavity from the water purification cavity to form a backflushing effect, so that the cleaning effect on the filter assembly is improved; after the blowdown is finished, drive filtering component and blowoff valve antiport through the control hand wheel for connecting the runner UNICOM play water flow path on the filtering component, and the blowoff valve is closed, and cavity and blowoff flow path are cut off, and this filter begins normal work, with this purpose of realizing the simple operation.

Preferably, the filter body includes installation department and barrel, the installation department with the barrel is connected and is formed the cavity, the blowdown runner is seted up in the lower extreme of barrel.

Through above-mentioned technical scheme, installation department and barrel are the components of a whole that can function independently, are convenient for filtering component and blowoff valve's installation.

Preferably, a fixing part is arranged in the sewage draining flow channel; the blowoff valve includes disk seat, valve rod, moves the ceramic chip and quiet ceramic chip, the disk seat with the fixed part is connected, set up the installation cavity in the disk seat, through-hole one has been seted up to the lateral wall of disk seat, through-hole one will the installation cavity with cavity UNICOM, the valve rod rotate set up in the installation cavity, just the upper end of valve rod runs through the disk seat and with filtering component connects, the lower extreme of valve rod with the up end that moves the ceramic chip is connected, move and seted up the UNICOM on the ceramic chip through-hole two of through-hole one, quiet ceramic chip connect in the installation cavity, just the up end of quiet ceramic chip with the lower extreme that moves the ceramic chip is towards pasting, set up the external through-hole three of UNICOM on the quiet ceramic chip, through-hole three can with through-hole two UNICOMs.

Through the technical scheme, the valve seat is connected with the fixing portion, the through hole two is communicated with the cavity through the through hole one, and when the control hand wheel drives the filtering assembly and the valve rod to rotate, the control hand wheel can indirectly drive the movable ceramic chip to rotate, so that the through hole two on the movable ceramic chip is communicated with the through hole three on the static ceramic chip, the inner cavity is communicated with the outside, and pollution discharge of the cavity is realized.

Preferably, the fixing part comprises a plurality of fixing blocks circumferentially distributed in the sewage drainage channel at intervals, the valve seat is connected with the fixing blocks, and the first through hole is communicated with the sewage drainage channel; the lower end of the cylinder body is provided with a first outer sleeve, the first outer sleeve is provided with a butting part, the lower end of the valve seat is butted against the butting part, the sewage drainage flow channel comprises a sewage drainage hole formed in the butting part, and the sewage drainage hole is communicated with the third through hole.

Through above-mentioned technical scheme, the convenience of blowoff valve installation has further been increased.

Preferably, a sealing ring is arranged between the valve seat and the abutting part, and the third through hole is communicated with the sewage draining hole through the sealing ring.

Through above-mentioned technical scheme, the setting of sealing ring has increased the sealing performance of blowoff valve.

Preferably, the fixed part including set up in solid fixed ring in the blowdown runner, the disk seat with gu fixed ring connects, just through-hole one with cavity UNICOM, through-hole three with blowdown runner UNICOM.

Through above-mentioned technical scheme, the disk seat is connected with solid fixed ring, drives the valve rod and moves the ceramic chip through filter assembly and rotates for two UNICOM through-holes of through-hole three, alright realize the external purpose of cavity UNICOM.

Preferably, the installation department outside is provided with overcoat two and overcoat three, overcoat two with three detachable connections of overcoat will the installation department parcel, overcoat two, overcoat three and overcoat one are fixed through the go-between.

Through the technical scheme, the first outer sleeve, the second outer sleeve and the third outer sleeve are connected through the connecting ring, so that the installation part and the barrel are effectively protected.

Preferably, the cylinder body is made of transparent materials, and the first outer sleeve is provided with an observation hole.

Through above-mentioned technical scheme, through observing the hole alright directly see the density of the interior impurity of barrel to convenient to use person in time clears up the impurity in the barrel.

Preferably, the filtering component includes the connecting seat, filters skeleton and filter screen, connect the runner set up in on the connecting seat, the upper end of connecting seat is run through the installation department and with control hand wheel connects, the lower extreme of connecting seat with filter the skeleton and be connected, the water purification chamber is seted up in filter the skeleton, filter the skeleton outside is located to the filter screen cover, filter the skeleton the lower extreme with the valve rod is connected.

Through the technical scheme, the water purification cavity is communicated with the cavity through the filter screen, the control hand wheel drives the connecting seat, the filter framework, the filter screen, the valve rod and the movable ceramic chip to rotate, and then the communication or the partition of the second through hole and the third through hole can be controlled, so that the aim of controlling the opening and the closing of the sewage drainage flow passage by the sewage drainage valve is fulfilled.

Preferably, the connecting flow channel is provided with at least two, and two the angle of connecting the runner central axis is 90 degrees, all be provided with the rubber sleeve in the connecting flow channel, the outer end of rubber sleeve with the lateral wall of cavity pastes and leans on.

Through the technical scheme, the two connecting flow passages are arranged, so that a user can complete the switching of the connecting flow passages by rotating 90 degrees, namely, the user can connect one of the connecting flow passages to the water inlet flow passage or the water outlet flow passage by rotating 90 degrees, and the operation of the user is convenient; meanwhile, due to the arrangement of the rubber sleeve, the water purifying cavity is not easily polluted by raw water outside the connecting flow passage.

Drawings

FIG. 1 is a schematic view of the full-section structure of the embodiment;

FIG. 2 is a schematic external structural view of the embodiment;

FIG. 3 is a schematic diagram of the exploded structure of FIG. 2;

FIG. 4 is a schematic view of a filter body in an embodiment;

FIG. 5 is an exploded view of the filter assembly of the embodiment;

FIG. 6 is another schematic view in full section of the embodiment;

FIG. 7 is a schematic view showing an external structure of a soil exhaust valve in the embodiment;

FIG. 8 is a schematic diagram of the exploded structure of FIG. 7;

FIG. 9 is a schematic view of the full cross-section of FIG. 7;

fig. 10 is another side view of fig. 7.

Reference numerals: 100. a filter body; 110. an installation part; 111. a water inlet flow channel; 112. a water outlet flow channel; 120. a barrel; 121. a blowdown flow channel; 130. a cavity; 200. a filter assembly; 210. a connecting seat; 211. connecting the flow channel; 212. a rubber sleeve; 220. filtering the framework; 221. a water purifying cavity; 230. a filter screen; 300. a control hand wheel; 400. a blowoff valve; 410. a valve seat; 411. a mounting cavity; 412. a first through hole; 420. a valve stem; 430. moving the ceramic sheet; 431. a second through hole; 440. a static ceramic chip; 441. a third through hole; 450. a seal ring; 460. a retainer ring; 500. a fixed part; 510. a fixed block; 520. a fixing ring; 600. a first outer sleeve; 610. an abutting portion; 611. a sewage draining hole; 612. a plug; 620. an observation hole; 700. a second outer sleeve; 800. a third coat; 900. and (7) connecting rings.

Detailed Description

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

The present invention will be described in further detail with reference to the accompanying drawings.

A rotary filter, as shown in fig. 1 to 10, the filter includes a filter body 100, a filter assembly 200, a control handwheel 300 and a blowoff valve 400, the filter body 100 is provided with a water inlet channel 111 and a water outlet channel 112, the filter body 100 is provided with a cavity 130 for communicating the water inlet channel 111 and the water outlet channel 112, the lower end of the filter body 100 is provided with a blowoff channel 121 for communicating the cavity 130; the filter assembly 200 rotates and sets up in cavity 130, the upper end of filter assembly 200 runs through filter body 100 and is connected with control hand wheel 300, blowoff valve 400 sets up in blowdown runner 121, blowoff valve 400 can control the break-make of blowdown runner 121, and blowoff valve 400 is connected with the lower extreme of filter assembly 200, filter assembly 200 has water purification chamber 221, the last connecting channel 211 who sets up the water purification chamber 221 of UNICOM of filter assembly 200, connecting channel 211 can communicate into water runner 111 or play water runner 112.

Specifically, the filter body 100 includes an installation part 110 and a cylinder 120, the water inlet channel 111 and the water outlet channel 112 are symmetrically arranged on the installation part 110, the installation part 110 and the cylinder 120 are in threaded connection to form a cavity 130, and the sewage discharge channel 121 is arranged at the lower end of the cylinder 120.

A fixing part 500 is arranged in the sewage draining flow passage 121; the blowoff valve 400 comprises a valve seat 410, a valve rod 420, a movable ceramic tile 430 and a static ceramic tile 440, the valve seat 410 is connected with a fixing part 500, a mounting cavity 411 is formed in the valve seat 410, a first through hole 412 is formed in the side wall of the valve seat 410, the mounting cavity 411 is communicated with the cavity 130 through the first through hole 412, the valve rod 420 is rotatably arranged in the mounting cavity 411, the upper end of the valve rod 420 penetrates through the valve seat 410 and is connected with the filtering assembly 200, the lower end of the valve rod 420 is connected with the upper end face of the movable ceramic tile 430, a second through hole 431 communicated with the first through hole 412 is formed in the movable ceramic tile 430, the static ceramic tile 440 is connected in the mounting cavity 411, the upper end face of the static ceramic tile 440 is attached to the lower end face of the movable ceramic tile 430, a third through hole 441 communicated with the outside is formed in the static ceramic tile 440, and the third through hole 441 can be communicated with the second through hole 431.

Preferably, the fixing part 500 includes a plurality of fixing blocks 510 circumferentially distributed in the drainage channel 121 at intervals, the valve seat 410 is clamped or screwed with the plurality of fixing blocks 510, and the first through hole 412 is communicated with the drainage channel 121; the lower end of the cylinder 120 is connected with an outer sleeve 600 in a clamping or threaded manner, the outer sleeve 600 is provided with a butting part 610, the lower end of the valve seat 410 is butted against the butting part 610, the sewage flow passage 121 comprises a sewage discharge hole 611 arranged on the butting part 610, and the sewage discharge hole 611 is communicated with a through hole three 441.

Preferably, a sealing ring 450 is arranged between the valve seat 410 and the abutting portion 610, the sealing ring 450 is used for communicating the through hole three 441 with the sewage discharge hole 611, and a plug 612 is connected with the sewage discharge hole 611 in a threaded manner.

As shown in fig. 6, as another alternative, the fixing portion 500 may be a fixing ring 520 integrally formed in the drainage channel 121, the valve seat 410 is in threaded connection with the fixing ring 520, the first through hole 412 is communicated with the cavity 130, the third through hole 441 is communicated with the drainage channel 121, and the first retaining ring 460 limits the static ceramic piece 440, so that the first outer sleeve 600 is omitted.

Preferably, the second casing 700 and the third casing 800 are arranged outside the mounting part 110, the second casing 700 and the third casing 800 are detachably connected through clamping to wrap the mounting part 110, and the second casing 700, the third casing 800 and the first casing 600 are fixed through a connecting ring 900. The cylinder 120 is made of transparent material, and the first outer sleeve 600 is provided with an observation hole 620.

The filter assembly 200 includes a connecting seat 210, a filter frame 220 and a filter screen 230, the connecting channel 211 is disposed on the connecting seat 210, the upper end of the connecting seat 210 penetrates through the mounting portion 110 and is connected with the control handwheel 300, the lower end of the connecting seat 210 is connected with the filter frame 220, the water purification cavity 221 is disposed in the filter frame 220, the filter screen 230 is sleeved outside the filter frame 220, and the lower end of the filter frame 220 is connected with the valve rod 420.

Preferably, the number of the connecting flow channels 211 is at least two, the central axes of the two connecting flow channels 211 are at an angle of 90 degrees, the rubber sleeves 212 are inserted into the connecting flow channels 211, and the outer ends of the rubber sleeves 212 are attached to the side walls of the cavity 130.

The working principle of the rotary filter is as follows:

under normal conditions, one of the connecting flow passages 211 is communicated with the water outlet flow passage 112, raw water (to-be-filtered water) enters the cavity 130 through the water inlet flow passage 111 and enters the purified water chamber 221 after being filtered by the filter screen 230, impurities in the raw water are intercepted in the cavity 130 by the filter screen 230, the filtered water in the purified water chamber 221 is purified water, and the purified water is discharged through the water outlet flow passage 112.

When the filter screen 230 needs to be cleaned, the hand wheel drives the connecting seat 210, the filter framework 220, the filter screen 230, the valve rod 420 and the movable ceramic sheet 430 to rotate, so that the connecting flow passage 211 on the filter assembly 200 is communicated with the water inlet flow passage 111, meanwhile, the rotary movable ceramic sheet 430 communicates the second through hole 431 with the third through hole 441, the cavity 130 is communicated with the sewage discharge hole 611, and raw water and impurities in the cavity 130 are discharged to the outside through the sewage discharge hole 611; meanwhile, the raw water enters the purified water chamber 221 through the connection flow passage 211 and flows into the cavity 130 from the purified water chamber 221, thereby forming a backflushing effect, thereby improving the cleaning effect of the filter screen 230.

After the sewage discharge is finished, the control handwheel 300 drives the connecting seat 210, the filtering framework 220, the filtering net 230, the valve rod 420 and the movable ceramic chip 430 to rotate reversely, so that the connecting flow passage 211 on the filtering component 200 is communicated with the water outlet flow passage 112, the through hole two 431 on the movable ceramic chip 430 separates the through hole three 441 on the static ceramic chip 440, the cavity 130 separates from the outside, and the filter starts to work normally, so that the purpose of convenient operation of a user is realized.

The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.

Claims (10)

1. A rotary filter, characterized by: the filter comprises a filter body (100), a filtering assembly (200), a control hand wheel (300) and a blow-down valve (400), wherein a water inlet flow channel (111) and a water outlet flow channel (112) are formed in the filter body (100), a cavity (130) for communicating the water inlet flow channel (111) with the water outlet flow channel (112) is formed in the filter body (100), and a blow-down flow channel (121) communicated with the cavity (130) is formed in the lower end of the filter body (100); filter element (200) rotate set up in cavity (130), the upper end of filter element (200) runs through filter body (100) and with control hand wheel (300) are connected, blowoff valve (400) set up in blowdown runner (121), blowoff valve (400) can be controlled the break-make of blowdown runner (121), just blowoff valve (400) with the lower extreme of filter element (200) is connected, filter element (200) have water purification chamber (221), filter element (200) are gone up and have been seted up the UNICOM connection runner (211) of water purification chamber (221), connection runner (211) can communicate intake runner (111) or go out water runner (112).

2. A rotary filter according to claim 1 wherein: the filter body (100) comprises an installation part (110) and a cylinder body (120), the installation part (110) is connected with the cylinder body (120) to form the cavity (130), and the sewage discharge flow channel (121) is arranged at the lower end of the cylinder body (120).

3. A rotary filter according to claim 2 wherein: a fixing part (500) is arranged in the sewage discharge flow channel (121); the blowoff valve (400) comprises a valve seat (410), a valve rod (420), a movable ceramic tile (430) and a static ceramic tile (440), the valve seat (410) is connected with the fixing part (500), an installation cavity (411) is formed in the valve seat (410), a first through hole (412) is formed in the side wall of the valve seat (410), the installation cavity (411) is communicated with the cavity (130) through the first through hole (412), the valve rod (420) is rotatably arranged in the installation cavity (411), the upper end of the valve rod (420) penetrates through the valve seat (410) and is connected with the filtering assembly (200), the lower end of the valve rod (420) is connected with the upper end face of the movable ceramic tile (430), a second through hole (431) communicated with the first through hole (412) is formed in the movable ceramic tile (430), the static ceramic tile (440) is connected in the installation cavity (411), and the upper end face of the static ceramic tile (440) is attached to the lower end face of the movable ceramic tile (430), and a third through hole (441) communicated with the outside is formed in the static ceramic piece (440), and the third through hole (441) can be communicated with the second through hole (431).

4. A rotary filter according to claim 3 wherein: the fixing part (500) comprises a plurality of fixing blocks (510) which are circumferentially distributed in the sewage drainage channel (121) at intervals, the valve seat (410) is connected with the fixing blocks (510), and the first through hole (412) is communicated with the sewage drainage channel (121); the lower extreme of barrel (120) is provided with overcoat one (600), have butt portion (610) on overcoat one (600), the lower extreme of valve seat (410) with butt portion (610) support tightly, blowdown runner (121) including set up in blow-off hole (611) on butt portion (610), just blow-off hole (611) UNICOM through-hole three (441).

5. A rotary filter according to claim 4 wherein: a sealing ring (450) is arranged between the valve seat (410) and the abutting part (610), and the through hole III (441) is communicated with a sewage discharge hole (611) through the sealing ring (450).

6. A rotary filter according to claim 3 wherein: the fixing portion (500) comprises a fixing ring (520) arranged in the sewage draining flow channel (121), the valve seat (410) is connected with the fixing ring (520), the first through hole (412) is communicated with the cavity (130), and the third through hole (441) is communicated with the sewage draining flow channel (121).

7. A rotary filter according to claim 4 wherein: installation department (110) outside is provided with overcoat two (700) and overcoat three (800), overcoat two (700) with the connection can be dismantled and will to the three (800) pieces of overcoat installation department (110) parcel, overcoat two (700), overcoat three (800) and overcoat one (600) are fixed through go-between (900).

8. A rotary filter according to claim 7 wherein: the barrel (120) is made of transparent materials, and an observation hole (620) is formed in the first outer sleeve (600).

9. A rotary filter according to claim 3 wherein: filter element (200) includes connecting seat (210), filtration skeleton (220) and filter screen (230), connect runner (211) set up in on connecting seat (210), the upper end of connecting seat (210) runs through installation department (110) and with control hand wheel (300) are connected, the lower extreme of connecting seat (210) with filtration skeleton (220) are connected, water purification chamber (221) are seted up in filtration skeleton (220), the filtration skeleton (220) outside is located to filter screen (230) cover, the lower extreme of filtration skeleton (220) with valve rod (420) are connected.

10. A rotary filter according to claim 9 wherein: connect runner (211) to be provided with two at least, and two the angle of connecting runner (211) the central axis is 90 degrees, all be provided with rubber sleeve (212) in connecting runner (211), the outer end of rubber sleeve (212) with the lateral wall of cavity (130) is leaned on.

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