CN219596069U - Hydraulic rotary scraping water purification back flushing prefilter - Google Patents

Abstract

The utility model discloses a hydraulic rotary scraping water purification back flushing prefilter, and relates to the technical field of filters. The filter comprises a filter flask, a drain ball valve communicated with the inside of the filter flask is fixedly connected to the bottom of the filter flask, the top end of the filter flask is in threaded connection with the valve head, a back flushing framework, an outer framework and an inner framework are sequentially sleeved in the filter flask, the back flushing framework, the outer framework and the inner framework are sequentially matched, and an impeller is driven to rotate through water flow and is arranged at the bottom end of the inside of the filter flask. According to the utility model, through the design of the inclined water inlet of the upper cover, the inertial water flow is impacted to the impeller to drive the impeller to rotate together, so that the use of filtered water is realized by simple mechanical linkage, sediment impurities in the filter are scattered by the rotated impeller, the phenomenon of internal blockage of the filter in use is reduced, and the flexibility and convenience of the device in actual use are improved.

Description

Hydraulic rotary scraping water purification back flushing prefilter

Technical Field

The utility model relates to the technical field of filters, in particular to a hydraulic rotary scraping water-purifying back-flushing prefilter.

Background

The pre-filter is a coarse filtering device for water used in whole house, which can filter sediment, rust and large particulate matters in tap water, prevent a large amount of precipitated impurities generated in water supply networks of cities and communities from damaging human bodies, and has positive pre-protection effect on concealed pipelines, water faucets, water warmers, water heaters, boilers, central air conditioners, washing machines, dish washers, coffee machines, other water home appliances and the like.

Most of the prior prepositive filters only can filter sediment, rust and large-particle impurities in water when in actual use, and the sediment, the rust and the large-particle impurities can also cause the blockage of the filter when in actual use, therefore, a novel device for assisting in filtering by taking water flow as a driving force and reducing the blockage of the filter is provided to solve the problems existing in the prior art.

Disclosure of Invention

The utility model aims to provide a hydraulic rotary scraping water-purifying backwash pre-filter to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a water conservancy is scraped soon and is purified water back flush pre-filter, includes the filter flask, the bottom fixedly connected with of filter flask is with the blowdown ball valve that is linked together in its inside, threaded connection between the top of filter flask and the valve head, the inside cover of filter flask has back flush skeleton, exoskeleton and inner skeleton in proper order, and the three looks adaptation in proper order, the impeller is rotated through the rivers drive to the inside bottom of filter flask.

Furthermore, the valve head is internally and fixedly provided with an inner insert, two ends of the inner insert are respectively provided with a flow guide pipe, the flow guide pipes at the inner insert and the two ends are made of nonmetal environment-friendly materials, and the inner insert is welded with the flow guide pipes at the two ends.

Furthermore, the lower end of the back flushing framework is provided with a convex rib, the back flushing framework is provided with a switching piece through the convex rib, the back flushing framework is connected with a back flushing filter screen through an injection molding process, the top of the back flushing framework is also provided with a groove, the groove corresponds to a round hole of a lower end runner of the embedded piece, and a sealing ring is arranged between the groove and the round hole.

Still further, the upper end excircle joint of inner frame has the water knockout drum, the inside slant guide vane that sets up a plurality of evenly distributed of water knockout drum, the equipartition is gone up to the water knockout drum and is located protruding muscle, protruding muscle and the cooperation of a plurality of recesses on the filter flask are fixed a position, the inner wall still is equipped with a plurality of location muscle, the location muscle cooperatees with the recess on the inner frame, the water knockout drum inner wall still is provided with a plurality of buckles, buckle and the buckle groove on the inner frame cooperate.

Further, an upper cover is arranged at the lower end of the outer framework, tangential water inlets with the outer circle of the upper cover are respectively arranged at the two ends of the outer part of the upper cover, an annular buckling groove is arranged at the top of the upper cover, and annular clamping teeth are arranged on the lower end face of the outer framework and are matched with the annular buckling groove;

the bottom of upper cover is installed the lower cover, the bottom design of upper cover has a buckle mouth, the top of lower cover is fixed with the assembly knot, buckle mouth and assembly knot cooperate, the impeller sets up between upper cover and lower cover, the filter flask passes through upper cover and lower cover installation impeller.

Still further, the spacing groove has been seted up respectively at the inside both ends of upper cover, the outside both ends of lower cover are spacing muscle of fixedly connected with respectively, spacing muscle and have spacing groove looks adaptation, and the upper cover lower extreme still is provided with the annular, installs the silica gel spare in the annular.

Still further, the through-hole has been seted up at the top of upper cover, the impeller includes the hexagon axle, and cylindrical hole has been seted up at the top of hexagon axle, and the outside fixedly connected with pipe of hexagon axle, the pipe with through-hole looks adaptation, the outside fixedly connected with blade of pipe, the blade is provided with a plurality ofly, and the even outside at the pipe of arranging of equiangle.

Still further, the outer wall cover of inner frame has the stainless steel filter screen, the internally mounted of inner frame has the switchover piece, the mounting is installed to the bottom of switchover piece, the outside cover of mounting has back flush spring, back flush spring's bottom is provided with the connecting rod, the connecting rod link up the cylinder hole, be provided with the ring channel on the connecting rod, set up the sealing washer between ring channel and the inner frame hole, the connecting rod lower extreme is provided with the snap ring groove, installs the snap ring in the snap ring groove.

Still further, the connecting rod includes the cylinder central siphon, and the internal thread has been seted up on the inside top of cylinder central siphon and has been cooperateed with the external screw thread of switching piece, and the perforation of cylinder central siphon lower extreme and lower cover cooperatees, the lower cover on still be provided with a plurality of water holes.

Furthermore, a plurality of scraping strips are arranged on the outer framework, the scraping strips are in interference contact with the inner wall of the filter flask and the outer wall of the stainless steel filter screen, and the scraping strips are made of one of silica gel or a hairbrush.

Compared with the prior art, the utility model has the beneficial effects that:

this water conservancy is scraped soon purifier back flush pre-filter, through the slant water inlet design of upper cover for inertial water stream strikes and can drive the impeller and rotate together on the impeller, has not only realized the use to filtering water with simple mechanical linkage, and the impeller of turning into also breaks up the sediment impurity in the filter, has reduced the filter and has stopped up the phenomenon in the inside when using, has improved the flexibility and the convenience of the device when in-service use.

Drawings

FIG. 1 is an internal block diagram of the present utility model;

FIG. 2 is an external assembly view of the fastener of the present utility model;

FIG. 3 is an assembly view of the exoskeleton and the upper cover of the present utility model;

FIG. 4 is an internal structural view of the water separator of the present utility model;

FIG. 5 is an overall construction diagram of the exoskeleton of the present utility model;

FIG. 6 is an external structural view of the inner frame of the present utility model;

FIG. 7 is a structural view of a piston of the present utility model;

FIG. 8 is a structural view of the upper cover of the present utility model;

FIG. 9 is a view showing the internal structure of the upper cover of the present utility model

FIG. 10 is a structural view of an impeller of the present utility model;

FIG. 11 is a structural view of the lower cover of the present utility model;

FIG. 12 is an external structural view of the seal of the present utility model;

FIG. 13 is an external block diagram of a backwash skeleton of the present utility model;

FIG. 14 is a flow chart of the water flow of the present utility model.

In the figure: 1. a joint; 2. a nut; 301. a flow guiding pipe; 302. an insert; 4. a valve head; 5. a silica gel ring; 6. a water separator; 601. the second convex rib; 602. oblique guide vanes; 603. a buckle; 604. positioning ribs; 7. a seal ring; 8. back flushing the skeleton; 801. the first convex rib; 802. a groove; 9. back flushing the filter screen; 10. a switching member; 11. an outer skeleton; 1101. annular latch teeth; 12. stainless steel filter screen; 13. an inner skeleton; 1301. a groove; 1302. a buckle groove; 14. a back flushing spring; 15. a piston; 1501. an internal thread; 1502. a snap ring groove; 1503. a cylindrical shaft tube; 16. an upper cover; 1601. a buckling groove; 1602. a water inlet; 1603. a buckle; 1604. a limit groove; 1605. a through hole; 17. an impeller; 1701. a round tube; 1702. a hexagonal shaft; 1703. a cylindrical hole; 1704. a blade; 18. a silica gel piece; 19. a lower cover; 1901. assembling the buckle; 1902. a limit rib; 20. a clasp; 21. a seal; 2101. sealing ribs; 22. a sewage discharging ball valve; 23. a fixing member; 24. and (5) a filter flask.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, in the description of the present utility model, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, it should be understood that the dimensions of the various elements shown in the figures are not drawn to actual scale, e.g., the thickness or width of some layers may be exaggerated relative to other layers for ease of description.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus once an item is defined or illustrated in one figure, no further detailed discussion or description thereof will be necessary in the following description of the figures.

As shown in fig. 1 to 14, the present utility model provides a technical solution: the utility model provides a water conservancy is scraped soon and is purified water back flush prefilter, includes filter flask 24, and the blowdown ball valve 22 that is linked together rather than inside fixedly connected with bottom of filter flask 24, threaded connection between the top of filter flask 24 and the valve head 4, and filter flask 24's inside has overlapped back flush skeleton 8, exoskeleton 11 and inner skeleton 13 in proper order, and the three looks adaptation in proper order, and impeller 17 is rotated through the rivers drive to the inside bottom of filter flask 24 is installed.

In the utility model, the two ends of the outer part of the inner plastic part 3 are respectively provided with a valve head 4 fixed by threads, a sealing gasket is arranged between the valve head 4 and the inner plastic part 3, a nut 2 is arranged between the output end of the valve head 4 and the input end of the joint 1, and the inner plastic part 3 is connected with the joint 1 through the valve head 4.

The valve head 4 is internally and fixedly provided with an insert 302, two ends of the insert 302 are respectively provided with a flow guide pipe 301, the insert 302 and the flow guide pipes 301 at two ends are made of nonmetal environment-friendly materials, and the insert 302 and the flow guide pipes 301 at two ends are connected by welding.

The lower extreme of back flush skeleton 8 is provided with first protruding muscle 801, back flush skeleton 8 installs switching piece 10 through first protruding muscle 801, back flush skeleton 8's inside is connected with back flush filter screen 9 through the injection molding technology, back flush skeleton 8 top still is provided with slot 802, slot 802 and the lower extreme runner round hole of inserts 302 are corresponding, still be provided with sealing washer 7 between the two, it is to supplement in the utility model, back flush skeleton 8 includes annular skeleton, the top of annular skeleton overlaps sealing washer 7, the both ends at annular skeleton top are the first protruding muscle 801 of fixedly connected with respectively, back flush skeleton 8 installs switching piece 10 through first protruding muscle 801, the inside of annular skeleton is provided with slot 802, slot 802 outside joint has back flush filter screen 9, back flush filter screen 9's position sets up between back flush skeleton 8 and switching piece 10, wherein it is to need be noted that the inside fixedly connected with inner ring 804 of annular skeleton, the inside of annular skeleton is the region of forming between the outer wall of inner ring 804 is slot 802, the inside both ends of inner ring 804 begin respectively have concave 803, the outside of back flush filter screen 9 is fixedly connected with connection arch respectively, connect with respectively protruding, connect with the protruding and concave 802 is the switching piece 10 is convenient for taking out on back flush filter screen 8, in addition, the back flush filter screen 9 is the design is convenient for switching piece that is changed between back flush filter screen 10.

The upper end excircle joint of inner skeleton 13 has water knockout drum 6, and the inside slant guide vane 602 that sets up a plurality of evenly distributed of water knockout drum 6, 4 second protruding muscle 601 of equipartitions on the water knockout drum 6 excircle, and 4 recesses on the second protruding muscle 601 and the filter flask 24 cooperate the location, and the inner wall still is equipped with a plurality of locating ribs 604, and locating rib 604 cooperates with recess 1301 on the inner skeleton 13, and the water knockout drum 6 inner wall still is provided with a plurality of buckles 603, and buckle 603 cooperatees with buckle groove 1302 on the inner skeleton 13.

An upper cover 16 is arranged at the lower end of the outer framework 11, tangential water inlets 1602 are respectively arranged at two ends of the outer part of the upper cover 16 and are tangential with the outer circle of the upper cover 16, an annular buckling groove 1601 is arranged at the top of the upper cover 16, an annular latch 1101 is arranged at the lower end face of the outer framework 11, and the annular latch 1101 is matched with the annular buckling groove 1601;

the bottom of upper cover 16 installs lower cover 19, and the bottom design of upper cover 16 has 4 buckle mouths 1603, and the top of lower cover 19 is fixed with 4 assembly and detains 1901, and buckle mouths 1603 and assembly are detained 1901 and are cooperated, and impeller 17 sets up between upper cover 16 and lower cover 19, and filter flask 24 passes through upper cover 16 and lower cover 19 installation impeller 17.

Limiting grooves 1604 are respectively formed in two ends of the inner portion of the upper cover 16, limiting ribs 1902 are respectively fixedly connected to two ends of the outer portion of the lower cover 19, the limiting ribs 1902 are matched with the limiting grooves 1604, an annular groove 1606 is further formed in the lower end of the upper cover 16, and a silica gel piece 18 is arranged in the annular groove 1606.

The top of upper cover 16 has seted up through-hole 1605, and impeller 17 includes hexagonal axle 1702, and cylindrical hole 1703 has been seted up at hexagonal axle 1702's top, and hexagonal axle 1702's outside fixedly connected with pipe 1701, pipe 1701 and through-hole 1605 looks adaptation, and pipe 1701's outside fixedly connected with blade 1704, blade 1704 are provided with a plurality ofly, and equiangular even arrangement is in the outside of pipe 1701.

The outer wall of the inner framework 13 is sleeved with a stainless steel filter screen 12, a switching piece 10 is arranged in the inner framework 13, a fixing piece 23 is arranged at the bottom end of the switching piece 10, a back flushing spring 14 is sleeved outside the fixing piece 23, a connecting rod is arranged at the bottom of the back flushing spring 14 and penetrates through a cylindrical hole 1703, an annular groove 1504 is arranged on the connecting rod, a sealing ring is arranged between the annular groove 1504 and an inner hole 1303 of the inner framework 13, a clamping ring groove 1502 is arranged at the lower end of the connecting rod, and a clamping ring 20 is arranged in the clamping ring groove 1502.

The connecting rod includes cylinder central siphon 1503, and the internal thread 1501 is seted up on the inside top of cylinder central siphon 1503 and cooperates with the external screw thread 101 of switch 10, and the perforation 1904 of cylinder central siphon 1503 lower extreme and lower cover 19 cooperate, still is provided with a plurality of water holes 1905 on the lower cover 19.

The outer skeleton 11 is provided with a plurality of scraping strips, the scraping strips are in interference contact with the inner wall of the filter flask 24 and the outer wall of the stainless steel filter screen 12, and the scraping strips are made of one of silica gel or a hairbrush.

It should be noted that, in actual use, the buckling groove 1601 on the upper cover 16 is provided with the silica gel piece 18, so that water flow from top to bottom impacts the upper cover 16 through the arrangement of the silica gel piece 18, and the bottom pollution discharge driving assembly and the internal switching assembly can be well driven to move downwards together to switch the filtering state into the water purification back flushing pollution discharge state.

It should be emphasized that in normal filtration of the present utility model, the water pressure inside the filter flask 24 is substantially uniform throughout, and at this time, the elastic force of the back-flushing spring 14 acts on the fixing member 23 and the plane of the inner frame 13, against the fixing member 23. The fixing member 23 moves in synchronization with the switching member 10 and the piston 15, and is thereby supported by the backwash spring 14. And the back flushing skeleton 8 is movably buckled with the switching piece 10, a back flushing filter screen 9 arranged in the back flushing skeleton 8 and the silica gel ring 5 arranged on the switching piece 10 move upwards together, and at the moment, the silica gel ring 5 seals a gap between the switching piece 10 and the inner plastic piece 3 to prevent water from flowing through the gap between the switching piece 10 and the inner plastic piece 3. The piston 15 and the lower cover 19 are fixed by a clamping ring 20, and when the piston 15 moves upwards, the lower cover 19 is driven to move upwards together, and the upper cover 16 and the lower cover 19 are connected in a clamping manner, so that the whole driving assembly and the outer framework 11 are driven to move upwards together.

It should be emphasized that in the back flushing state of the present utility model, when the blowdown ball valve 22 needs to be opened to flush and blowdown, water flows out to the two inclined water inlets 1602 on the upper cover 16 on the piston 15, the silica gel piece 18 seals between the upper cover 16 and the filter flask 24, the upper cover 16 moves downward under the action of water pressure to drive the whole blowdown driving assembly to move downward together, and the outer skeleton 11 also moves downward under the action of water pressure. Because the snap ring 20 is designed between the lower cover 19 and the piston 15, when the sewage disposal driving assembly moves downwards, the piston 15 is driven to move downwards together. The piston 15 is in threaded connection with the switching piece 10 to connect the whole switching assembly, so that when the sewage discharge driving assembly moves downwards, the switching assembly is driven to move downwards together, and the filtering state is switched to the water purification back flushing sewage discharge state. It is furthermore emphasized that the height of the two sealing ribs 2101 on the sealing element 21 is higher than the movement of the entire movement assembly, and that the rotation of the sealing element 21 brings about a rotation of the lower cap 19, both in the filtering and in the backflushing state. The two convex rib cones on the sealing element 21 are designed, so that the phenomenon that the limiting ribs 1902 on the lower cover 19 and the convex rib cones of the sealing element 21 are propped against each other in the moving process is avoided.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a water conservancy is scraped soon and is purified water back flush prefilter, includes filter flask (24), its characterized in that: the bottom fixedly connected with of filter flask (24) is with blowdown ball valve (22) that is linked together in its inside, threaded connection between the top of filter flask (24) and valve head (4), the inside of filter flask (24) has overlapped back flush skeleton (8), exoskeleton (11) and inner skeleton (13) in proper order, and the three looks adaptation in proper order, impeller (17) are rotated through rivers drive to the inside bottom of filter flask (24).

2. The hydraulic rotary scraping clean water backwash pre-filter as claimed in claim 1, wherein: the valve head (4) is internally and fixedly provided with an inner insert (302), two ends of the inner insert (302) are respectively provided with a flow guide pipe (301), the inner insert (302) and the flow guide pipes (301) at the two ends are all made of nonmetal environment-friendly materials, and the inner insert (302) is welded with the flow guide pipes (301) at the two ends.

3. The hydraulic rotary scraping clean water backwash pre-filter as claimed in claim 1, wherein: the back flush skeleton (8) lower extreme is provided with first protruding muscle (801), and switching piece (10) are installed through first protruding muscle (801) to back flush skeleton (8), back flush filter screen (9) are connected with through the injection molding technology to back flush skeleton (8) inside, and back flush skeleton (8) top still is provided with slot (802), and slot (802) are corresponding with the lower extreme runner round hole of inserts (302), still are provided with sealing washer (7) between the two.

4. The hydraulic rotary scraping clean water backwash pre-filter as claimed in claim 1, wherein: the water knockout drum (6) has been joint to the upper end excircle of inner skeleton (13), water knockout drum (6) inside set up a plurality of evenly distributed's slant guide vane (602), the second protruding muscle (601) of 4 location of equipartitions on water knockout drum (6) excircle, the location is cooperateed with 4 recesses on filter flask (24) to second protruding muscle (601), the inner wall still is equipped with a plurality of locating ribs (604), locating rib (604) cooperatees with recess (1301) on inner skeleton (13), water knockout drum (6) inner wall still is provided with a plurality of buckles (603), buckle (603) cooperatees with buckle groove (1302) on inner skeleton (13).

5. The hydraulic rotary scraping clean water backwash pre-filter as claimed in claim 1, wherein: an upper cover (16) is arranged at the lower end of the outer framework (11), tangential water inlets (1602) are respectively formed in two ends of the outer part of the upper cover (16) and are tangential to the outer circle of the upper cover (16), an annular buckling groove (1601) is formed in the top of the upper cover (16), annular clamping teeth (1101) are arranged on the lower end face of the outer framework (11), and the annular clamping teeth (1101) are matched with the annular buckling groove (1601);

the bottom of upper cover (16) is installed lower cover (19), 4 buckle mouths (1603) are designed to the bottom of upper cover (16), the top of lower cover (19) is fixed with 4 assembly buckles (1901), buckle mouths (1603) and assembly buckles (1901) cooperate, impeller (17) set up between upper cover (16) and lower cover (19), filter flask (24) are through upper cover (16) and lower cover (19) installation impeller (17).

6. The hydraulic rotary scraping clean water backwash pre-filter as claimed in claim 5, wherein: limiting grooves (1604) are respectively formed in two ends of the inner portion of the upper cover (16), limiting ribs (1902) are respectively fixedly connected to two ends of the outer portion of the lower cover (19), the limiting ribs (1902) are matched with the limiting grooves (1604), annular grooves (1606) are further formed in the lower end of the upper cover (16), and silica gel pieces (18) are arranged in the annular grooves (1606).

7. The hydraulic rotary scraping clean water backwash pre-filter as claimed in claim 5, wherein: through holes (1605) are formed in the top of the upper cover (16), the impeller (17) comprises a hexagonal shaft (1702), cylindrical holes (1703) are formed in the top of the hexagonal shaft (1702), round tubes (1701) are fixedly connected to the outer portions of the hexagonal shaft (1702), the round tubes (1701) are matched with the through holes (1605), blades (1704) are fixedly connected to the outer portions of the round tubes (1701), the blades (1704) are multiple, and the round tubes (1701) are evenly arranged at the outer portions of the round tubes at equal angles.

8. The hydraulic rotary scraping clean water backwash pre-filter as claimed in claim 1, wherein: the stainless steel filter screen (12) is sleeved on the outer wall of the inner framework (13), a switching piece (10) is arranged in the inner part of the inner framework (13), a fixing piece (23) is arranged at the bottom end of the switching piece (10), a back flushing spring (14) is sleeved on the outer part of the fixing piece (23), a connecting rod (15) is arranged at the bottom of the back flushing spring (14), the connecting rod (15) penetrates through a cylindrical hole (1703), an annular groove (1504) is arranged on the connecting rod (15), a sealing ring is arranged between the annular groove (1504) and an inner hole (1303) of the inner framework (13), a clamping ring groove (1502) is arranged at the lower end of the connecting rod (15), and a clamping ring (20) is arranged in the clamping ring groove (1502).

9. The hydraulic rotary scraping clean water backwash pre-filter as claimed in claim 8, wherein: the connecting rod (15) comprises a cylindrical shaft tube (1503), an internal thread (1501) is formed in the top end of the inside of the cylindrical shaft tube (1503) and matched with an external thread (101) of the switching piece (10), the lower end of the cylindrical shaft tube (1503) is matched with a perforation (1904) of a lower cover (19), and a plurality of water passing holes (1905) are further formed in the lower cover (19).

10. The hydraulic rotary scraping clean water backwash pre-filter as claimed in claim 5, wherein: a plurality of scraping strips are arranged on the outer framework (11), the scraping strips are in interference contact with the inner wall of the filter flask (24) and the outer wall of the stainless steel filter screen (12), and the scraping strips are made of one of silica gel or a hairbrush.