CN221045580U - Laminated filter capable of automatically scraping and washing filter screen - Google Patents

Abstract

The utility model discloses a laminated filter for automatically scraping and washing a filter screen, which comprises a machine head for water inlet and water outlet and a filter bottle connected with the machine head, wherein a laminated screen assembly, a filter screen and a scraping and washing assembly are arranged in the filter bottle, the laminated screen assembly is arranged outside the scraping and washing assembly and the filter screen, and the scraping and washing assembly surrounds the filter screen to rotatably scrape and wash the filter screen by taking the center of the filter screen as the center of the circle. According to the utility model, the filter screen is arranged in the lamination for further fine filtration, so that impurities in tap water can be removed more finely; through scraping the filter screen and washing, can effectively clear away the impurity on the filter screen, extension filter screen blocking time improves product life, avoids the user to need manual unpick and wash the filter, reduces the customer and changes filter core cost.

Description

Laminated filter capable of automatically scraping and washing filter screen

Technical Field

The utility model relates to the technical field of household water purifying equipment, in particular to a laminated filter capable of automatically scraping and washing a filter screen.

Background

The laminated filter is a first coarse filtering device for water in whole house, and can filter the sediment, rust, worm eggs, red worms and other large particulate matters in tap water. A common pre-filter needs to periodically turn on a back flush switch to clean impurities blocked inside the pre-filter.

The following problems exist with lamination filters currently on the market: firstly, the filtering precision of the common laminated filter is not enough, and fine floating objects, rust, sediment and other particle impurities are required to be further filtered on the basis of laminated filtering; and if the filter screen is adopted for filtering, the filter screen is affected by organic matters and chemical impurities in the water body, the internal filter screen and the impurities are often stuck together, the filter screen is not easy to thoroughly wash cleanly, or the filter screen is not easy to thoroughly wash after a long time, and a user can remove surface impurities after removing the filter screen, so that inconvenience is brought to the user.

Disclosure of utility model

The utility model aims to solve the technical problems and provide a laminated filter capable of automatically scraping and washing a filter screen, wherein the filter screen is arranged in a laminated to further finely filter, so that impurities in tap water can be removed more finely; through scraping the filter screen and washing, can effectively clear away the impurity on the filter screen, extension filter screen blocking time improves product life, avoids the user to need manual unpick and wash the filter, reduces the customer and changes filter core cost.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides an automatic scrape lamination filter of washing filter screen, is equipped with lamination net subassembly, filter screen and scrapes and wash the subassembly including the filter flask that is used for intaking and go out water, is connected with the aircraft nose in the filter flask, and lamination net subassembly is established in scraping and is washed subassembly and filter screen outside, scrapes and washes the subassembly and encircle the rotatable filter screen of scraping of filter screen with the center of filter screen as the centre of a circle. Through above-mentioned technical scheme, scrape and wash the subassembly and regard the center of filter screen as the centre of a circle and encircle the rotatory filter screen of scraping of filter screen to self-cleaning filter screen, extension filter screen plug time, extension filter screen life reduces the customer and changes the filter core cost.

Preferably, the scraping and washing assembly comprises a transmission shaft arranged at the center of the filter screen, a scraping and washing support arranged at the outer side of the filter screen and a brush arranged on the scraping and washing support, a support hole is formed in the top end of the scraping and washing support, the transmission shaft penetrates through the support hole and is connected with the scraping and washing support, and the scraping and washing support uses the transmission shaft as a circle center to encircle the filter screen and rotationally scrape and wash the filter screen by the brush.

Preferably, the scraping and washing assembly further comprises a filtering guide piece and a sewage guide piece, wherein the transmission shaft comprises a transmission shaft penetrating through the bracket hole and an impeller driving shaft connected with the transmission shaft, the lower end of the transmission shaft is inserted into the upper end of the impeller driving shaft and is connected with the impeller driving shaft, a first impeller and a second impeller are arranged on the impeller driving shaft, the sewage guide piece is arranged below the second impeller, the filtering guide piece is covered on the sewage guide piece, a filtering guide hole is formed in the filtering guide piece, and a sewage guide hole is formed in the sewage guide piece. When in a filtering state, water enters from the machine head, flows upwards along the wall of the filter flask and enters into the filter screen through the laminated net assembly to finish filtering, water flows downwards in the filter screen and is sprayed out of the filtering diversion holes, the first impeller is impacted to drive the impeller driving shaft to rotate, and the impeller driving shaft rotates to drive the scraping and washing bracket to rotate around the filter screen through the transmission shaft, so that the brush scrapes and washes the filter screen; when in a sewage draining state, water enters the valve core from the machine head and is sprayed out through the sewage draining guide hole to strike the second impeller, the second impeller drives to rotate, and the driving shaft drives the scraping and washing support to rotate around the filter screen through the driving shaft, so that the brush scrapes and washes the filter screen, and in a filtering state and a back flushing state, the water entering and scraping and washing support can automatically drive the brush to rotate to scrape and wash the filter screen.

Preferably, the lamination net assembly comprises a plurality of laminations, a lamination support used for placing the laminations and an end cover arranged above the lamination support and used for pressing the laminations downwards, the lamination support is arranged on the outer side of the scraping and washing support, and the laminations are arranged on the outer side of the lamination support. Through the setting of lamination support, will scrape and wash the support fixed establish between lamination support and filter screen for scrape and wash the support rotatable drive brush and scrape and wash the filter screen.

Preferably, a lifting mechanism for loosening or compacting the lamination is arranged below the lamination net assembly, the lifting mechanism comprises a valve core arranged in the machine head and used for switching the water inlet and outlet flow channels through rotation, a rotating piece inserted into the valve core and connected with the valve core, and a lifting piece capable of ascending or descending through rotation of the rotating piece so as to compact or loosen the lamination, a second protruding part is arranged on the rotating piece, an inclined chute is arranged on the lifting piece, and the second protruding part is arranged in the chute and slides to drive the lifting piece to lift so as to compact or loosen the lamination. When the valve core is switched to a filtering working state, the second bulge part is arranged at the lowest part of the chute, and the lifting piece compresses the lamination; when the valve core is switched to a back flushing state, the second protruding part slides to the highest position of the inclined chute, the lifting piece descends to loosen the lamination, and a gap is formed between the lamination, so that impurities on the lamination are flushed down during back flushing.

Preferably, the rotating member is provided with a rotating shaft, the impeller driving shaft is provided with a second groove, the sewage guiding member is provided with a first through hole, and the rotating shaft is inserted into the second groove after passing through the first through hole; the filtering guide piece is provided with a second through hole, and the impeller driving shaft penetrates through the second through hole and stretches into the filter screen. The impeller drive shaft is rotated by inserting the rotation shaft into the second recess of the impeller drive shaft such that rotation of the rotation member rotates the impeller drive shaft with an initial rotational force.

Preferably, the machine head further comprises a water inlet and outlet piece arranged in the machine head, the water inlet and outlet piece is provided with a water inlet pipe and a water outlet pipe, the valve core is provided with a first water inlet, a second water inlet and a first water outlet, the first water inlet and the second water inlet are rotatably switched to be communicated with the water inlet pipe, and the first water outlet is rotatably communicated with the water outlet pipe or is closed. When in a filtering state, the first water inlet is communicated with the water inlet pipe, the first water outlet is communicated with the water outlet, and the second water inlet is closed by the water inlet and outlet piece; when the rotary switch is switched to the back flushing state, the second water inlet is communicated with the water inlet pipe, the first water inlet and the first water outlet are closed by the water inlet and outlet piece, and water flows downwards through the accommodating groove and then is discharged from the sewage discharge pipe.

Preferably, the water inlet and outlet piece further comprises a containing groove connected with the water inlet pipe and the water outlet pipe, the containing groove comprises an upper containing groove and a lower containing groove, the two ends of the upper containing groove are connected with the water inlet pipe and the water outlet pipe, the valve core is arranged in the upper containing groove, the switching piece is arranged in the lower containing groove, the sealing piece is arranged on the switching piece, and the switching piece is connected with the valve core.

Preferably, the lower accommodating groove is internally provided with a first step and a second step, the sealing element is arranged on the first step, the first step is obliquely arranged, the switching element is arranged on the second step, the switching element is provided with a side wall hole and a drain pipe, the sealing element comprises a rotating block and a sealing block which are integrally formed, the rotating block penetrates through the side wall hole to be clamped, and the sealing block is inserted into the drain pipe. When the switching piece is rotated, the sealing piece is driven to rotate due to the clamping of the rotating block and the side wall hole, the sealing piece is rotated to rise through the inclined first step, the drain pipe is not raised, and the sealing block upper table opens the drain pipe.

Preferably, a third groove for clamping a rotating block is formed in the first step, a fourth groove is formed in the rotating block, a spring is arranged on the fourth groove, a third protruding portion extending downwards is arranged on the rotating piece, and the other end of the spring is connected with the third protruding portion; the end cover is provided with a first groove, the filter flask is provided with a first protruding portion, and the first protruding portion is inserted into the first groove. Through the setting of third recess and spring for when rotatory rotating member, there is the clicking sound when rotatory piece card income third recess, makes the user know whether rotatory in place. The third grooves are four, two are in a group, and are arranged in a cross shape.

The utility model has the beneficial effects that: according to the utility model, the filter screen is arranged in the lamination for further fine filtration, so that impurities in tap water can be removed more finely; through scraping the filter screen and washing, can effectively clear away the impurity on the filter screen, extension filter screen blocking time improves product life, avoids the user to need manual unpick and wash the filter, reduces the customer and changes filter core cost.

Drawings

Fig. 1 is a schematic diagram of the structure of the filtering state.

Fig. 2 is a cross-sectional view taken along A-A of fig. 1.

Fig. 3 is a schematic structural view of the sewage discharge state.

Fig. 4 is a cross-sectional view of fig. 3 taken along the direction B-B.

Fig. 5 is a schematic view of the structure of fig. 1 with the filter flask and the handpiece removed.

Fig. 6 is a schematic view of the structure of fig. 5 with the laminations removed.

Fig. 7 is a schematic view of the construction of the scraping assembly.

Fig. 8 is a schematic structural view of the propeller shaft.

Fig. 9 is a schematic view of the structure of the filter baffle.

Fig. 10 is a schematic structural view of the blowdown baffle.

FIG. 11 is a schematic view of the structure of the lifting mechanism and the blowdown guide member.

Fig. 12 is a schematic structural view of the rotary member.

Fig. 13 is a schematic structural view of the lifter.

Fig. 14 is a schematic structural view of the valve cartridge.

Fig. 15 is a schematic structural view of the accommodating groove.

Fig. 16 is a schematic view of the structure of the switching member, the sealing member and the spring.

Fig. 17 is a schematic structural view of the seal.

In the figure: 1. a filter bottle, 101, a first boss, 2, a machine head, 21, a water inlet and outlet piece, 211, a water inlet pipe, 212, a water outlet pipe, 213, an upper accommodating groove, 214, a lower accommodating groove, 2141, a first step, 21411, a third groove, 2142, a second step, 3, a filter screen, 4, a laminated net assembly, 41, a laminated sheet, 42, a laminated sheet support, 43, an end cover, 431, a first groove, 5, a scraping assembly, 51, a scraping support, 511, a support hole, 52, a brush, 53, a transmission shaft, 531, a transmission shaft, 532, an impeller driving shaft, 5321, a first impeller, 5322, a second impeller, 5323, a second groove, 54, filtering guide piece 541, filtering guide hole, 542, second through hole, 55, pollution discharge guide piece, 551, pollution discharge guide hole, 552, first through hole, 6, lifting mechanism, 61, valve core, 611, first water inlet, 612, second water inlet, 613, first water outlet, 62, rotating piece, 621, second protruding portion, 622, rotating shaft, 623, third protruding portion, 63, lifting piece, 631, chute, 7, spring, 8, switching piece, 81, side wall hole, 82, pollution discharge pipe, 9, sealing piece, 91, rotating block, 911, fourth groove, 92, sealing block.

Detailed Description

The utility model is further described below with reference to the drawings and embodiments.

As shown in fig. 1-17, the laminated filter for automatically scraping and washing a filter screen comprises a machine head 2 for water inflow and water outflow and a filter bottle 1 connected with the machine head 2, wherein a laminated screen assembly 4, a filter screen 3 and a scraping and washing assembly 5 are arranged in the filter bottle 1, the laminated screen assembly 4 is arranged outside the scraping and washing assembly 5 and the filter screen 3, and the scraping and washing assembly 5 surrounds the filter screen 3 in a rotatable manner by taking the center of the filter screen 3 as the center of the circle.

The scraping and washing assembly 5 comprises a transmission shaft 53 arranged in the center of the filter screen 3, a scraping and washing support 51 arranged on the outer side of the filter screen 3 and a brush 52 arranged on the scraping and washing support 51, a support hole 511 is formed in the top end of the scraping and washing support 51, the transmission shaft 53 penetrates through the support hole 511 to be connected with the scraping and washing support 51, and the scraping and washing support 51 uses the transmission shaft 53 as a circle center to encircle the filter screen 3 to scrape and wash the filter screen 3 by the rotatable brush 52.

The scraping and washing assembly 5 further comprises a filtering guide piece 54 and a pollution discharge guide piece 55, the transmission shaft 53 comprises a transmission moving shaft 531 penetrating through the bracket hole 511 and an impeller driving shaft 532 connected with the transmission moving shaft 531, the lower end of the transmission moving shaft 531 is inserted into the upper end of the impeller driving shaft 532 and is connected with the impeller driving shaft 532, a first impeller 5321 and a second impeller 5322 are arranged on the impeller driving shaft 532, the pollution discharge guide piece 55 is arranged below the second impeller 5322, the filtering guide piece 54 is arranged on the pollution discharge guide piece 55 in a covering mode, a filtering guide hole 541 is formed in the filtering guide piece 54, and a pollution discharge guide hole 551 is formed in the pollution discharge guide piece 55.

The laminated net assembly 4 comprises a plurality of laminated sheets 41, a laminated sheet support 4 for placing the laminated sheets 41 and an end cover 43 arranged above the laminated sheet support 4 and used for pressing the laminated sheets 41 downwards, the laminated sheet support 4 is arranged outside the scraping support 51, and the laminated sheets 41 are arranged outside the laminated sheet support 4.

The lifting mechanism 6 for loosening or compacting the lamination 41 is arranged below the lamination net assembly 4, the lifting mechanism 6 comprises a valve core 61 arranged in the machine head 2 and used for switching a water inlet and outlet flow channel through rotation, a rotary piece 62 inserted into the valve core 61 and connected with the valve core 61, and a lifting piece 63 capable of ascending or descending through rotation of the rotary piece 62 so as to compact or loosen the lamination 41, a second protruding portion 621 is arranged on the rotary piece 62, an inclined chute 631 is arranged on the lifting piece 63, and the second protruding portion 621 is arranged in the chute 631 and slides to drive the lifting piece 63 to lift so as to compact or loosen the lamination 41.

The rotating member 62 is provided with a rotating shaft 622, the impeller driving shaft 532 is provided with a second groove 5323, the sewage guiding member 55 is provided with a first through hole 552, and the rotating shaft 622 is inserted into the second groove 5323 after passing through the first through hole 552; the filter baffle 54 is provided with a second through hole 542, and the impeller drive shaft 532 extends into the filter screen 3 through the second through hole 542.

The machine head further comprises a water inlet and outlet piece 21 arranged in the machine head 2, the water inlet and outlet piece 21 is provided with a water inlet pipe 211 and a water outlet pipe 212, the valve core 61 is provided with a first water inlet 611, a second water inlet 612 and a first water outlet 613, the first water inlet 611 and the second water inlet 612 are rotatably switched to be communicated with the water inlet pipe 211, and the first water outlet 613 is rotatably communicated with the water outlet pipe 212 or is closed.

The water inlet and outlet piece 21 further comprises a containing groove connected with the water inlet pipe 211 and the water outlet pipe 212, the containing groove comprises an upper containing groove 213 and a lower containing groove 214, the two ends of the upper containing groove 213 are connected with the water inlet pipe 211 and the water outlet pipe 212, the valve core 61 is arranged in the upper containing groove 213, the lower containing groove 214 is internally provided with a switching piece 8, the switching piece 8 is provided with a sealing piece 9, and the switching piece 8 is connected with the valve core 61.

The lower accommodating groove 214 is internally provided with a first step 2141 and a second step 2142, the sealing element 9 is arranged on the first step 2141, the first step 2141 is obliquely arranged, the switching element 8 is arranged on the second step 2142, the switching element 8 is provided with a side wall hole 81 and a drain pipe 82, the sealing element 9 comprises a rotating block 91 and a sealing block 92 which are integrally formed, the rotating block 91 is clamped through the side wall hole 81, and the sealing block 92 is inserted into the drain pipe 82.

The first step 2141 is provided with a third groove 21411 for clamping the rotating block 91, the rotating block 91 is provided with a fourth groove 911, the fourth groove 911 is provided with a spring 7, the rotating piece 62 is provided with a third protruding portion 623 extending downwards, and the other end of the spring 7 is connected with the third protruding portion 623; the end cover 43 is provided with a first groove 431, the filter bottle 1 is provided with a first protruding part 101, and the first protruding part 101 is inserted into the first groove 431.

It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected" to another element, it can be directly connected or indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing the utility model based on the orientation or positional relationship shown in the drawings, and are not to be construed as limiting the utility model, as the indicating device or element must have a particular orientation, be constructed and operated in a particular orientation.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating relative importance or indicating the number of technical features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Claims (10)

1. The utility model provides an automatic scrape lamination filter of washing filter screen which characterized in that: including aircraft nose (2) that are used for intaking and play water, filter flask (1) that are connected with aircraft nose (2), be equipped with lamination net subassembly (4), filter screen (3) in filter flask (1) and scrape and wash subassembly (5), lamination net subassembly (4) are established in scraping and are washed subassembly (5) and filter screen (3) outside, scrape and wash subassembly (5) and encircle filter screen (3) rotatable scraping and wash filter screen (3) of filter screen (3) with the center of filter screen (3) as the centre of a circle.

2. The automatic screen scraping and washing laminated filter as recited in claim 1, wherein: the scraping and washing assembly (5) comprises a transmission shaft (53) arranged at the center of the filter screen (3), a scraping and washing support (51) arranged at the outer side of the filter screen (3) and a brush (52) arranged on the scraping and washing support (51), a support hole (511) is formed in the top end of the scraping and washing support (51), the transmission shaft (53) penetrates through the support hole (511) to be connected with the scraping and washing support (51), and the scraping and washing support (51) uses the transmission shaft (53) as a circle center to encircle the filter screen (3) and rotationally scrape and wash the filter screen (3) through the brush (52).

3. The automatic screen scraping and washing laminated filter as claimed in claim 2, wherein: the scraping and washing assembly (5) further comprises a filtering guide piece (54) and a pollution discharge guide piece (55), the transmission shaft (53) comprises a transmission shaft (531) penetrating through the bracket hole (511), an impeller driving shaft (532) connected with the transmission shaft (531), the lower end of the transmission shaft (531) is inserted into the upper end of the impeller driving shaft (532) and connected with the impeller driving shaft (532), a first impeller (5321) and a second impeller (5322) are arranged on the impeller driving shaft (532), the pollution discharge guide piece (55) is arranged below the second impeller (5322), the filtering guide piece (54) is covered on the pollution discharge guide piece (55), a filtering guide hole (541) is formed in the filtering guide piece (54), and the pollution discharge guide piece (55) is provided with the pollution discharge guide hole (551).

4. A laminated filter for automatically scraping a screen as recited in claim 3, wherein: the lamination net assembly (4) comprises a plurality of laminations (41), a lamination support (42) for placing the laminations (41) and an end cover (43) arranged above the lamination support (42) and used for pressing the laminations (41) downwards, the lamination support (42) is arranged on the outer side of the scraping support (51), and the laminations (41) are arranged on the outer side of the lamination support (42).

5. The automatic screen scraping and washing laminated filter as recited in claim 1 or 2 or 3 or 4, wherein: the utility model provides a lamination net subassembly (4) below is equipped with elevating system (6) that are used for loosening or compressing tightly lamination (41), elevating system (6) are including setting up in aircraft nose (2) and through rotatory case (61) that switch water inlet and outlet runner, insert in case (61) with case (61) be connected rotatory piece (62), thereby through rotatory ascending or decline of rotatory piece (62) with lamination (41) compress tightly or loosen elevating piece (63), be equipped with second bellying (621) on rotatory piece (62), be equipped with inclined spout (631) on elevating piece (63), second bellying (621) are established in spout (631) and are slided and drive elevating piece (63) liftable compress tightly or loosen lamination (41).

6. The automatic screen scraping and washing laminated filter as recited in claim 5, wherein: a rotating shaft (622) is arranged on the rotating piece (62), a second groove (5323) is arranged on the impeller driving shaft (532), a first through hole (552) is arranged on the pollution discharge guide piece (55), and the rotating shaft (622) is inserted into the second groove (5323) after passing through the first through hole (552); the filtering guide piece (54) is provided with a second through hole (542), and the impeller driving shaft (532) penetrates through the second through hole (542) and stretches into the filter screen (3).

7. The automatic screen scraping and washing laminated filter as recited in claim 5, wherein: the machine head is characterized by further comprising a water inlet and outlet piece (21) arranged in the machine head (2), wherein the water inlet and outlet piece (21) is provided with a water inlet pipe (211) and a water outlet pipe (212), the valve core (61) is provided with a first water inlet (611), a second water inlet (612) and a first water outlet (613), the first water inlet (611) and the second water inlet (612) are rotatably switched to be communicated with the water inlet pipe (211), and the first water outlet (613) is rotatably communicated with the water outlet pipe (212) or is closed.

8. The automatic screen scraping and washing laminated filter as recited in claim 7, wherein: the water inlet and outlet piece (21) further comprises a containing groove connected with the water inlet pipe (211) and the water outlet pipe (212), the containing groove comprises an upper containing groove (213) and a lower containing groove (214), the two ends of the upper containing groove (213) are connected with the water inlet pipe (211) and the water outlet pipe (212), the valve core (61) is arranged in the upper containing groove (213), the lower containing groove (214) is internally provided with a switching piece (8), the switching piece (8) is provided with a sealing piece (9), and the switching piece (8) is connected with the valve core (61).

9. The automatic screen scraping and washing laminated filter as recited in claim 8, wherein: be equipped with first ladder (2141) and second ladder (2142) in lower holding groove (214), sealing member (9) are established on first ladder (2141), first ladder (2141) are the slope setting, switch piece (8) are established on second ladder (2142), be equipped with side wall hole (81) and blow off pipe (82) on switch piece (8), sealing member (9) are including integrated into one piece's rotatory piece (91) and sealing piece (92), rotatory piece (91) are passed side wall hole (81) card and are established, sealing piece (92) are inserted in blow off pipe (82).

10. The automatic screen scraping and washing laminated filter as recited in claim 9, wherein: a third groove (21411) for clamping a rotating block (91) is formed in the first step (2141), a fourth groove (911) is formed in the rotating block (91), a spring (7) is arranged on the fourth groove (911), a third protruding portion (623) extending downwards is formed in the rotating piece (62), and the other end of the spring (7) is connected with the third protruding portion (623); the end cover (43) is provided with a first groove (431), the filter flask (1) is provided with a first protruding part (101), and the first protruding part (101) is inserted into the first groove (431).