CN214972145U

CN214972145U - Quick-dismantling type prefilter with double-turbine cleaning function

Info

Publication number: CN214972145U
Application number: CN202120147066.9U
Authority: CN
Inventors: 游浩; 王凯
Original assignee: Haining Meikang Environmental Protection Technology Co ltd
Current assignee: Haining Meikang Environmental Protection Technology Co ltd
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2021-12-03
Anticipated expiration: 2031-01-19

Abstract

The utility model provides a quick-dismantling type pre-filter with double-turbine cleaning function, which solves the problems of poor cleaning effect of the filter and the like, which comprises a filter shell, the filter shell comprises a filter cup body, the upper end of the filter cup body is provided with a connecting seat body with a water inlet and a water outlet, and the upper end of the connecting seat body is provided with a quick-release seat body, the lower end of the filtering cup body is provided with a sewage discharge outlet, a filter element cylinder body is arranged in the filter shell, the periphery of the filter element cylinder body is externally sleeved with a filtering frame body, and a raw water cavity is formed between the circumferential outer side of the filter screen and the circumferential inner side of the filter shell, a purified water cavity is formed on the circumferential inner side of the filter screen, the filter element cylinder is connected with a lifting driving mechanism which can drive the filter element cylinder to axially move and circumferentially rotate, the periphery of the filter frame body is outwards provided with a double-turbine flow guide structure, the periphery of the filter frame body is provided with an oblique flow guide mechanism, and the lower end of the filter element cylinder body is provided with an explosion-proof type pollution discharge control mechanism. The utility model has the advantages of good cleaning effect, convenient disassembly and the like.

Description

Quick-dismantling type prefilter with double-turbine cleaning function

Technical Field

The utility model belongs to the technical field of leading filter, concretely relates to quick detach formula leading filter with two turbine cleaning function.

Background

The prefilter is typically of a "T" type construction. The left end and the right end of the upper horizontal position are respectively provided with a water inlet and a water outlet. The lower vertical position is the machine body and the internal cylindrical filter screen, the lowest end is a sewage discharge outlet, and the opening and the closing are controlled by a valve. The precision range of the filter screen is from 5 to 300 micrometers according to different brands and models. Mainly removes the precipitated impurities generated by the pipeline and the particle impurities of more than 5 microns such as bacteria, microorganism remains, iron rust, sand mud and the like, and avoids the human body and the skin from being injured; the scale inhibitor has positive protection effect on downstream pipelines, water purifiers, water heaters, washing machines, high-grade faucets and shower heads, and the scale inhibitor can also be added into the pre-filter to play a scale inhibiting effect on solar energy and water boilers. When the commonly used front filter is used for cleaning an internal filter element, the whole filter element needs to be disassembled, and dirt attached to the outer wall of the filter element needs to be cleaned manually. However, the pre-filter is inconvenient to disassemble and clean, a large amount of manpower is wasted, and dirt is not easy to be completely removed manually after being accumulated in the filter. In addition, the brushing force inside the conventional automatic cleaning type prefilter is insufficient, and the cleaning effect on dirt attached to the surface of the filter screen is poor.

In order to solve the defects of the prior art, people have long searched for and put forward various solutions. For example, the Chinese patent document discloses a self-cleaning adjustable prefilter and a using method thereof [201510965863.7], which comprises a top shell and an outer shell which are sequentially connected from top to bottom, wherein a T-shaped valve is arranged in the top shell, a raw water inlet and a purified water outlet are arranged on the T-shaped valve, a water distributor is arranged in the T-shaped valve, a filter element is arranged in the outer shell, a raw water flow passage is formed between the outer wall of the filter element and the inner wall of the outer shell, a filter element inner flow passage is arranged in the filter element, a filter element seat is arranged at the upper part of the filter element and is connected with the T-shaped valve through a middle seat, an outlet communicated with the water distributor and the filter element inner flow passage is arranged on the filter element seat, a self-cleaning device is sleeved outside the filter element, a drain outlet with a drain valve is arranged at the lower peripheral side of the outer shell, the raw water flow passage is communicated with the drain outlet,

the problem that the pre-filter cannot be automatically cleaned is solved to a certain extent by the scheme, but the scheme still has a plurality of defects, such as poor cleaning effect caused by small flushing force.

Disclosure of Invention

The utility model aims at the above-mentioned problem, provide a reasonable in design, the leading filter of quick detach formula with two turbine cleaning function that the cleaning performance is good.

In order to achieve the above purpose, the utility model adopts the following technical proposal: the quick-dismantling type front filter with the double-turbine cleaning function comprises a filter shell, wherein the filter shell comprises a filter cup body, the upper end of the filter cup body is provided with a connecting seat body with a water inlet and a water outlet, the upper end of the connecting seat body is provided with a quick-dismantling seat body, the lower end of the filter cup body is provided with a sewage discharge outlet, a filter core barrel body with a filter screen in the circumferential direction is arranged in the filter shell, a filter frame body is sleeved outside the filter core barrel body in the circumferential direction, a raw water cavity communicated with the water inlet and/or the sewage discharge outlet is formed between the outer side of the filter screen in the circumferential direction and the inner side of the filter shell in the circumferential direction, a purified water cavity communicated with the water outlet is formed on the inner side of the filter screen in the circumferential direction, the filter cup body is connected with the quick-dismantling seat body, the filter frame body rotates in the circumferential direction and is axially positioned relative to the filter core barrel body, and the filter core barrel body is connected with a lifting driving mechanism capable of driving the filter core barrel body to move in the axial direction and rotate in the circumferential direction, the filter frame body circumference outside has the two turbine water conservancy diversion structures with the linkage of filter frame body, and has the slant water conservancy diversion mechanism towards the filter screen circumference outside at filter frame body circumference, and filter core barrel lower extreme is equipped with can open or close the drain when filter core barrel axial goes up and down and has the explosion-proof formula blowdown control mechanism of pressure release function under the drain keeps closed state. The relative filter core barrel of frame body rotates is filtered in the drive of twin-turbine water conservancy diversion structure, wherein filters the frame body and goes up the slant water conservancy diversion mechanism and apply for filter core barrel lateral surface extrusion rivers to form the vortex and erode the filter core barrel, compare in the conventional structure of washing of scraping, be difficult for scraping the dirt into the filter core, twin-turbine water conservancy diversion structure brings bigger washing power, has better cleaning performance.

In the quick-dismantling pre-filter with the double-turbine cleaning function, the double-turbine flow guide structure comprises an upper turbine assembly which is arranged at the upper end of a filter frame body and is used for communicating a water inlet with a raw water cavity, a lower turbine assembly which is used for communicating the raw water cavity with a sewage discharge outlet is arranged at the lower end of the filter frame body, the upper turbine assembly and/or the lower turbine assembly is/are linked with the filter frame body, a flow guide disc body is arranged at the upper end of a filter element cylinder body, the circumferential outer side of the flow guide disc body and the circumferential inner side of an opening at the upper end of a filter cup body of the filter shell are mutually abutted and sealed, and an inclined flow guide assembly corresponding to the upper turbine assembly is arranged on the flow guide disc body; the inclined diversion assembly comprises a plurality of inclined diversion holes which are circumferentially and uniformly arranged on the diversion tray body, each inclined diversion hole is obliquely arranged in the same direction and penetrates through the diversion tray body, the upper end of each inclined diversion hole is communicated with the water inlet, and the lower end of each inclined diversion hole faces the upper turbine assembly. Go up turbine subassembly and turbine subassembly down and drive the relative filter core barrel the central axis rotation of slant water conservancy diversion mechanism on the filter support body under the rivers effect, will compress rivers and extrude filter core barrel surface, cause pressure to wash the filter core barrel, later discharge sewage from the drain, effectively solved the drawback of scraping the strip and scrubbing the filter screen and bring the tiny impurity brush into the filter screen. And meanwhile, the double-turbine pressurizing device is arranged, so that the filter frame body has higher rotating speed and higher flushing force.

In the quick-dismantling pre-filter with the double-turbine cleaning function, the upper turbine assembly comprises an upper turbine seat which is sleeved on the circumferential outer side of the upper end of the filter element cylinder and is positioned between the lower end of the guide disc body and the upper end of the filter frame body, the upper turbine seat and the guide disc body are arranged in a circumferential rotating manner, the upper turbine seat and the filter frame body are mutually positioned, the upper turbine seat is cylindrical, an upper turbine ring body which is concentric with the upper turbine seat is arranged on the circumferential outer side of the upper end, a plurality of upper turbine blades which are arc-shaped, evenly distributed and obliquely arranged in the same direction are arranged between the circumferential inner side of the upper turbine ring body and the circumferential outer side of the upper turbine seat, and an upper flow guide channel for communicating the oblique flow guide hole with the raw water cavity is formed between every two adjacent upper turbine blades; the lower end of the upper turbine seat is inserted into the circumferential inner side of the upper end of the filtering frame body, a plurality of upper positioning bulges which extend downwards are arranged on the circumferential outer side of the upper turbine seat, a plurality of upper positioning grooves which correspond to the upper positioning bulges one by one are arranged on the upper end of the filtering frame body, and the upper positioning bulges are respectively inserted into the upper positioning grooves; the lower turbine assembly comprises a lower turbine seat sleeved at the lower end of the filtering frame body, the lower turbine seat and the filtering frame body are mutually positioned, the lower turbine seat is cylindrical, a lower turbine ring body which is concentric with the lower turbine seat is arranged on the circumferential outer side of the lower turbine seat, a plurality of lower turbine blades which are arc-shaped, evenly distributed and obliquely arranged in the same direction as the upper turbine blades are arranged between the circumferential inner side of the lower turbine ring body and the circumferential outer side of the lower turbine seat, and a lower flow guide channel for communicating a raw water cavity with a sewage discharge outlet is formed between every two adjacent lower turbine blades; lower turbine seat circumference inboard has lower turbine ring channel, and filters support body lower extreme circumference outside and have the joint in the protruding circle in location of turbine ring channel down, and turbine seat circumference inboard still is equipped with the lower location arch of a plurality of vertical settings down, filters the support body lower extreme and has a plurality of and lower location protruding one-to-one's lower constant head tank down, and down the location arch peg graft respectively in lower constant head tank. The upper turbine blade of the upper turbine assembly is opposite to the inclined diversion hole on the diversion disc body, and the rotation driving force is provided for the water body when the water body flows, so that the high-speed stable operation of the water body is ensured. The upper positioning bulge corresponds to the upper positioning groove, limits the axial positions of the upper turbine seat and the filtering frame body, and has good connection stability. Lower turbine assembly realizes and the secondary pressure boost when the water flows out from the sewage mouth, further improves the slew rate of filter holder body. The lower turbine ring groove is clamped with the positioning convex ring, the lower positioning bulge is inserted into the lower positioning groove, and the axial and circumferential positions of the filtering frame body and the lower turbine seat are kept fixed.

In the quick-dismantling type pre-filter with the double-turbine cleaning function, the inclined flow guide mechanism comprises a plurality of flow guide ribs arranged on the outer side of the periphery of the filter frame body, the flow guide ribs are distributed on the periphery of the filter screen, and inclined-plane type flow guide assemblies facing the filter screen are arranged on the flow guide ribs; the equal vertical setting of water conservancy diversion muscle and an organic whole are formed into in the filtration frame body week to the outside, and each water conservancy diversion muscle evenly distributed sets up, and inclined plane formula water conservancy diversion subassembly is for forming in the slope water conservancy diversion inclined plane of water conservancy diversion muscle one side, and the slope water conservancy diversion inclined plane evenly distributed of each water conservancy diversion muscle just all sets up towards the filter screen slope in the filter screen circumference outside. The plurality of flow guide ribs rotate and are matched with the inclined plane type flow guide assembly to provide centrifugal force for the flowing water body, so that the flow guide ribs can carry out vortex type stirring relative to the central axis of the filter. The inclined diversion inclined plane is obliquely arranged relative to the radial direction of the filter frame body and rotates along with the rotation of the upper turbine assembly and the lower turbine assembly, and the inclined diversion inclined plane is not in direct contact with the filter element cylinder body and cannot damage the surface of the filter element cylinder body during rotation.

In the quick-release pre-filter with the double-turbine cleaning function, the connecting seat body is in a cylindrical shape with an upper opening and a lower opening, one side of the connecting seat body is provided with a water inlet pipe joint, the other side of the connecting seat body is provided with a water outlet pipe joint, a water inlet is formed on the water inlet pipe joint, a water outlet is formed on the water outlet pipe joint, be equipped with the separation pedestal that has the water cavity and can be with the mutual separation of water cavity and connection pedestal circumference inner wall in connecting pedestal circumference inboard in connecting pedestal circumference, the separation pedestal is the tube-shape and is equipped with the barrel that is used for being linked together water inlet and delivery port and water cavity on the separation pedestal respectively and imports and exports, the barrel of separation pedestal is imported and exported and is connected with respectively and wears to locate the inboard separation body of water inlet and delivery port circumference, be equipped with on the connection pedestal and can be with the removable pedestal locating component who locates in the connecting pedestal of separation pedestal, separation pedestal upper end and/or connect the pedestal upper end through quick detach coupling assembling with can link to each other the uncovered confined quick detach pedestal in separation pedestal upper end. The separation pedestal is installed at the connection pedestal inner wall, and pedestal locating component and quick detach pedestal guarantee that the separation pedestal is stable with the installation of connecting the pedestal, realize effective separation to inside water cavity and connection pedestal.

In the quick-dismantling pre-filter with the double-turbine cleaning function, the seat positioning assembly comprises a pressing ring which is arranged on the circumferential inner side of an opening at the upper end of the connecting seat and is positioned at the upper end of the separation seat or on the circumferential outer side of the separation seat, the pressing ring is connected with the connecting seat in a detachable mode, the pressing ring is annular, the circumferential outer side of the pressing ring is provided with an external thread, the circumferential inner side of the opening at the upper end of the connecting seat is meshed with the external thread, and the pressing ring is connected with the connecting seat through a thread; the clamping ring is located between the circumference outer side of the upper end of the separation seat body and the circumference inner side of the opening of the upper end of the connection seat body, the circumference outer side of the separation seat body is provided with a separation seat limiting step which is abutted against the clamping ring, the circumference outer side of the separation seat limiting step is provided with a separation seat sealing ring groove, and the separation seat sealing ring groove is provided with a separation seat sealing ring body which is abutted against the circumference inner side of the connection seat body. The clamping ring is arranged between the separation seat body and the connection seat body, so that the axial position of the separation seat body is effectively limited, and the sealing performance between the separation seat body and the connection seat body is improved. The clamp ring after threaded connection is convenient to disassemble, and can be rapidly disassembled with the clamp ring together with the quick-disassembling seat body, so that structures such as filter cores inside the filter can be cleaned.

In the quick-release pre-filter with the double-turbine cleaning function, the quick-release base comprises a base cylindrical part which is cylindrical and penetrates through the circumferential inner side of the separation base, the quick-release connecting assembly is arranged between the base cylindrical part and the separation base, a first sealing structure is arranged between the base cylindrical part and the separation base, the upper ends of the separation base and the pressing ring are flush and exceed the upper end opening of the connection base, and the upper end of the base cylindrical part is provided with a base end cover part which is abutted against the upper end of the separation base and/or the pressing ring; the quick-release connecting assembly comprises a plurality of first quick-release convex ribs arranged on the circumferential outer side of the cylindrical part of the base body, the circumferential inner side of the blocking base body is provided with a plurality of second quick-release convex ribs which are in one-to-one correspondence with the first quick-release convex ribs respectively, the first quick-release convex ribs and the second quick-release convex ribs are provided with axial limiting parts and circumferential limiting parts, the axial limiting parts of the first quick-release convex ribs and the axial limiting parts of the second quick-release convex ribs are arranged in a vertically abutted mode, and one ends of the axial limiting parts of the first quick-release convex ribs or the second quick-release convex ribs are abutted against the circumferential limiting parts of the second quick-release convex ribs or the first quick-release convex ribs; the first sealing structure comprises a plurality of first sealing ring positioning grooves which are arranged at the circumferential outer side of the cylindrical part of the seat body or the circumferential inner side of the blocking seat body, and first sealing ring bodies which are abutted against the circumferential inner side of the blocking seat body or the circumferential outer side of the cylindrical part of the seat body are arranged in the first sealing ring positioning grooves; the lower end of the connecting seat body is axially limited relative to the upper end of the filtering cup body, and a second sealing structure is arranged between the connecting seat body and the filtering cup body; the upper end of the filtering cup body is arranged in the circumferential inner side of the connecting seat body in a penetrating mode, the circumferential inner side of the lower end of the connecting seat body is provided with the connecting seat limiting step, the circumferential outer side of the upper end of the filtering cup body is provided with the cup body limiting step with the lower end abutting against the connecting seat limiting step, the upper end of the cup body limiting step abuts against the separating seat body, the second sealing structure comprises a plurality of second sealing ring positioning grooves formed in the connecting seat limiting step or the cup body limiting step, and second sealing ring bodies abutting against the circumferential inner side of the connecting seat body or the circumferential outer side of the filtering cup body are arranged in the second sealing ring positioning grooves. The quick-release connecting assembly is used for quickly clamping and fixing the separation base body and the base body cylindrical part and is matched with the first sealing structure to realize the sealing connection of the separation base body and the quick-release base body. The multiple groups of first sealing ring positioning grooves are matched with the first sealing ring body, and the blocking seat body and the quick-release seat body have better sealing performance. The lower end of the connecting seat body is provided with the filtering cup body in an inserting mode, wherein the filtering cup body and the inner side of the connecting seat body are fixedly pressed by the blocking seat body.

In the quick-release type pre-filter with the double-turbine cleaning function, the explosion-proof type pollution discharge control mechanism comprises a filter element base and a frame body base, wherein the filter element base is arranged at the lower end of a filter element cylinder body, the frame body base is arranged at the lower end of a filter frame body, valve rod holes are formed in the filter element base and the frame body base respectively, a movable valve rod is arranged in the valve rod holes in a penetrating mode in an axial direction, the movable valve rod is limited in a one-way mode relative to the filter element base and the frame body base in the axial direction respectively, two valve rod limiting parts are arranged on the movable valve rod, one of the valve rod limiting parts abuts against the circumferential outer side of the lower end of the valve rod hole in the filter element base, a valve rod guide cylinder communicated with the valve rod hole in the filter element base is arranged at the upper end of the filter element base, the movable valve rod penetrates through the valve rod guide cylinder, and the other valve rod limiting part on the movable valve rod abuts against the circumferential outer side of the lower end of the valve rod hole in the frame body base; the lower end of the movable valve rod penetrates through the sewage draining port, the lower end of the movable valve rod is provided with a sewage draining plug capable of sealing the lower end of the sewage draining port, and an elastic jacking explosion-proof mechanism capable of enabling the movable valve rod to keep the upward movement trend so as to enable the sewage draining plug to keep a state of being sealed in the sewage draining port is arranged between the upper end of the movable valve rod and the valve rod seat.

In the quick-dismantling type prefilter with the double-turbine cleaning function, the elastic jacking explosion-proof mechanism comprises an explosion-proof spring sleeved on the circumferential outer side of the upper end of the movable valve rod, one end of the explosion-proof spring is abutted against a spring limiting part detachably arranged on the upper end of the movable valve rod, and the other end of the explosion-proof spring is abutted against the valve rod seat; the diameter of the spring limiting part is larger than that of the movable valve rod, the spring limiting part is connected with the movable valve rod in a threaded mode, and the upper end face of the spring limiting part and the end face of the end, connected with the movable valve rod, of the sewage discharging plug are formed on a stress surface respectively; the lower end of the sewage draining port is connected with a sewage draining joint, a sewage draining channel communicated with the sewage draining port is arranged in the sewage draining joint, the diameter of the sewage draining channel is larger than that of the sewage draining port, a sewage draining plug is integrally formed at the lower end of the movable valve rod, and the sewage draining plug extends into the sewage draining channel; the diameter of the sewage discharge plug is equal to that of the sewage discharge outlet, a sewage discharge sealing ring groove is formed in the circumferential outer side of the sewage discharge plug, and a sewage discharge sealing ring body abutting against the lower end of the sewage discharge outlet is arranged in the sewage discharge sealing ring groove; or the diameter of the sewage discharge plug is larger than that of the sewage discharge port, a plug limiting step is formed between the sewage discharge port and the sewage discharge channel, and the upper end of the sewage discharge plug abuts against the plug limiting step; annular pollution discharge inclined planes are respectively arranged on the circumferential inner sides of the upper end and the lower end of the pollution discharge port, annular guide inclined planes are respectively arranged on the circumferential inner sides of the upper end and the lower end of the pollution discharge plug, and the annular pollution discharge inclined planes at the lower end of the pollution discharge port are matched with the annular guide inclined planes at the upper end of the pollution discharge plug. The movable valve rod keeps the upward movement trend through the explosion-proof spring, the movable valve rod is quickly reset after pressure relief is facilitated, and when the water pressure applied to the movable valve rod is greater than the acting force of the explosion-proof spring, the movable valve rod moves downwards and drives the sewage discharge plug to synchronously move to open the sewage discharge outlet. The movable valve rod is pressed downwards through the pressure of the stress surface, so that the rapid pressure relief is facilitated, the water flow in the filter shell is rapidly discharged, the water discharge is increased, and the pollution discharge plug can seal a sewage discharge outlet more tightly.

In the quick-dismantling prefilter with double-turbine cleaning function, the lifting driving mechanism comprises a driving sleeve body arranged in the separation seat body, a lifting rotating seat body detachably connected with the upper end of the filter core cylinder body is arranged in the driving sleeve body in a penetrating way, a water purifying cavity is communicated with a water outlet through a water channel in the lifting rotating seat body, a scraping and washing driving component which can enable the lifting rotating seat body to axially move and circumferentially rotate relative to the driving sleeve body is arranged between the driving sleeve body and the lifting rotating seat body, the scraping and washing driving component comprises a driving rod body which is circumferentially and axially positioned and arranged at the upper end of the driving sleeve body, the upper end of the driving rod body is connected with a rotating knob which is rotatably arranged at the upper end of the quick-dismantling seat body, a circumferential stroke limiting mechanism is arranged between the quick-dismantling seat body and the rotating knob, the lower end of the driving rod body is circumferentially positioned and axially slidably connected with the upper end of the lifting rotating seat body, and the upper end of the lifting rotating seat body is provided with an external thread part with external thread on the circumferential outer side, and the external thread on the external thread part is meshed with the internal thread arranged on the circumferential inner side of the driving sleeve body, the circumferential outer side of the upper end of the driving rod body and the circumferential inner side of the driving sleeve body are sealed mutually, the lower end of the driving rod body is provided with a lifting driving part with a non-circular cross section, the circumferential inner side of the external thread part is provided with a lifting driving hole matched with the lifting driving part, and the lifting driving part and the lifting driving hole axially slide and are circumferentially positioned. The lifting driving mechanism is used for controlling the filter to be in a filtering or cleaning state, and the working state of the filter can be quickly switched by turning the rotary knob.

Compared with the prior art, the utility model has the advantages of: the upper turbine assembly and the lower turbine assembly drive the filter frame body to rotate under the action of water flow, the inclined flow guide mechanism on the side surface of the filter frame body compresses water flow to the filter element cylinder body to wash the surface of the filter element cylinder body, the defect that fine impurities are easy to brush into a filter screen by a conventional washing mechanism is overcome, and a larger rotation driving force is provided by matching with double-turbine driving, so that a larger water pressure is provided for the inclined flow guide mechanism, and a better cleaning effect is achieved; the separation base body is fixedly installed with the quick-release base body and the connecting base body through the base body positioning assembly and the quick-release connecting assembly, and the connecting base body is separated from the internal water cavity, so that heavy metal ions are prevented from polluting a water body; the quick detach coupling assembling is assembled the quick detach pedestal to connecting the pedestal, and convenient quick dismantlement is cleared up parts such as inside filter core.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a cross-sectional view of the structure of FIG. 1;

fig. 3 is a structural development view of the double-turbine flow guiding structure of the present invention;

FIG. 4 is a schematic structural view of the explosion-proof pollution discharge control mechanism of the present invention;

fig. 5 is a schematic structural view of the filter housing of the present invention;

FIG. 6 is a cross-sectional view of the structure of FIG. 5;

fig. 7 is a structural development view of the filter housing of the present invention;

fig. 8 is a schematic structural view of the obstructing seat body of the present invention;

fig. 9 is a schematic structural view of the quick release seat of the present invention;

in the figure, the filter housing 1, the filter cup body 11, the connection seat body 12, the water inlet pipe joint 121, the water outlet pipe joint 122, the water cavity 123, the separation seat body 124, the cylinder inlet/outlet 125, the separation tube body 126, the connection seat body limit step 127, the cup body limit step 128, the water inlet 13, the water outlet 14, the quick-release seat body 15, the sewage outlet 16, the sewage connector 161, the sewage channel 162, the sewage seal ring groove 163, the sewage seal ring body 164, the plug limit step 165, the annular sewage slope 166, the annular guide slope 167, the raw water cavity 17, the purified water cavity 18, the filter core cylinder body 2, the filter screen 21, the filter frame body 3, the lifting drive mechanism 4, the drive sleeve body 41, the lifting rotation seat body 42, the scraping drive assembly 43, the drive rod body 44, the rotation knob 45, the circumferential stroke limit mechanism 46, the external thread part 47, the lifting drive part 48, the lifting drive hole 49, the double-turbine guide structure 5, the water inlet pipe structure and the water inlet pipe structure are arranged in parallel The device comprises an upper turbine assembly 51, an upper turbine base 511, an upper turbine ring body 512, upper turbine blades 513, an upper flow guide channel 514, an upper positioning protrusion 515, an upper positioning groove 516, a lower turbine assembly 52, a lower turbine base 521, a lower turbine ring body 522, lower turbine blades 523, a lower flow guide channel 524, a lower turbine annular groove 525, a positioning convex ring 526, a lower positioning protrusion 527, a lower positioning groove 528, a flow guide disc body 53, an inclined flow guide assembly 54, an inclined flow guide hole 55, an inclined flow guide mechanism 6, a flow guide rib 61, an inclined flow guide assembly 62, an inclined flow guide inclined surface 63, an explosion-proof pollution discharge control mechanism 7, a filter element base 71, a frame base 72, a valve rod hole 73, a movable valve rod 74, a valve rod limiting part 75, a valve rod guide cylinder 76, pollution discharge 77, a valve rod base 78, an elastic jacking explosion-proof mechanism 79, an explosion-proof spring 791, a spring limiting part 792, a stress surface 793, a base positioning assembly 8, The quick-release type sealing ring comprises a pressing ring 81, a spacing step 82 of a separation seat, a sealing ring groove 83 of the separation seat, a sealing ring body 84 of the separation seat, a quick-release connecting assembly 9, a cylindrical part 91 of a seat body, a first sealing structure 92, a first sealing ring positioning groove 921, a first sealing ring body 922, a seat body end cover part 93, a first quick-release convex rib 94, a second quick-release convex rib 95, an axial spacing part 96, a circumferential spacing part 97, a second sealing structure 98, a second sealing ring positioning groove 981 and a second sealing ring body 982.

Detailed Description

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

As shown in fig. 1-9, the quick-release pre-filter with double-turbine cleaning function comprises a filter housing 1, the filter housing 1 comprises a filter cup body 11, a connection seat body 12 having a water inlet 13 and a water outlet 14 is arranged at the upper end of the filter cup body 11, a quick-release seat body 15 is arranged at the upper end of the connection seat body 12, a sewage discharge outlet 16 is arranged at the lower end of the filter cup body 11, a filter cartridge 2 having a filter screen 21 in the circumferential direction is arranged in the filter housing 1, a filter frame body 3 is sleeved on the circumferential outer side of the filter cartridge 2, a raw water cavity 17 communicated with the water inlet 13 and/or the sewage discharge outlet 16 is formed between the circumferential outer side of the filter screen 21 and the circumferential inner side of the filter housing 1, a purified water cavity 18 communicated with the water outlet 14 is formed on the circumferential inner side of the filter screen 21, the filter cup body 11, the connection seat body 12 and the quick-release seat body 15 are connected in a quick-release manner, the filter frame body 3 rotates in the circumferential direction and is axially positioned relative to the filter cartridge 2, the filter element barrel 2 is connected with a lifting driving mechanism 4 capable of driving the filter element barrel 2 to axially move and circumferentially rotate, a double-turbine flow guide structure 5 linked with the filter frame body 3 is arranged on the outer side of the filter frame body 3 in the circumferential direction, an oblique flow guide mechanism 6 facing the outer side of the filter screen 21 in the circumferential direction is arranged on the filter frame body 3 in the circumferential direction, and an explosion-proof type pollution discharge control mechanism 7 capable of opening or closing a pollution discharge port 16 when the filter element barrel 2 axially lifts and having a pressure relief function under the condition that the pollution discharge port 16 is kept closed is arranged at the lower end of the filter element barrel 2. The water gets into from water inlet 13, provides the torque for it when going up turbine assembly 51 to the relative filter core barrel 2 of filter support body 3 that turbine assembly 51 is connected is rotated in the drive, and the water provides a torque once more through turbine assembly 52 down, further improves the rotational speed of filtering support body 3. The inclined flow guide mechanism 6 on the side surface of the filter frame body 3 is not contacted with the filter screen 21 of the filter element cylinder body 2 in the rotating process, and generates vortex-type extrusion water flow to the filter screen 21 when rotating.

Specifically, the double-turbine flow guide structure 5 comprises an upper turbine assembly 51 which is arranged at the upper end of the filter frame body 3 and is used for communicating the water inlet 13 with the raw water cavity 17, a lower turbine assembly 52 which is used for communicating the raw water cavity 17 with the sewage discharge outlet 16 is arranged at the lower end of the filter frame body, the upper turbine assembly 51 and/or the lower turbine assembly 52 is/are linked with the filter frame body 3, a flow guide disc body 53 is arranged at the upper end of the filter element cylinder body 2, the circumferential outer side of the flow guide disc body 53 and the circumferential inner side of an opening at the upper end of the filter cup body 11 of the filter shell body 1 are mutually abutted and sealed, and an inclined flow guide assembly 54 corresponding to the upper turbine assembly 51 is arranged on the flow guide disc body 53; the inclined diversion assembly 54 comprises a plurality of inclined diversion holes 55 which are circumferentially and uniformly arranged on the diversion disc body 53, each inclined diversion hole 55 is obliquely arranged in the same direction and penetrates through the diversion disc body 53, the upper ends of the inclined diversion holes 55 are communicated with the water inlet 13, and the lower ends of the inclined diversion holes face the upper turbine assembly 51. The inclined diversion holes 55 of the inclined diversion assembly 54 are opposite to the upper turbine blades 513 of the upper turbine assembly 51, water flow is guided to enter the raw water cavity 17 from the water inlet 13, and the inclined diversion holes 55 are obliquely arranged, so that the water pressure utilization rate is higher compared with that of the vertical arrangement.

Deeply, the upper turbine assembly 51 comprises an upper turbine seat 511 sleeved on the circumferential outer side of the upper end of the filter element cylinder 2 and positioned between the lower end of the deflector body 53 and the upper end of the filter frame body 3, the upper turbine seat 511 and the deflector body 53 are arranged in a circumferential rotating manner, the upper turbine seat 511 and the filter frame body 3 are mutually positioned, the upper turbine seat 511 is cylindrical, an upper turbine ring body 512 concentric with the upper turbine seat 511 is arranged on the circumferential outer side of the upper end, a plurality of upper turbine blades 513 which are arc-shaped, evenly distributed and obliquely arranged in the same direction are arranged between the circumferential inner side of the upper turbine ring body 512 and the circumferential outer side of the upper turbine seat 511, and an upper flow guide channel 514 for communicating the oblique flow guide hole 55 with the raw water cavity 17 is formed between every two adjacent upper turbine blades 513; the lower end of the upper turbine seat 511 is inserted into the circumferential inner side of the upper end of the filter frame body 3, the circumferential outer side of the upper turbine seat 511 is provided with a plurality of upper positioning bulges 515 which extend downwards, the upper end of the filter frame body 3 is provided with a plurality of upper positioning grooves 516 which are in one-to-one correspondence with the upper positioning bulges 515, and the upper positioning bulges 515 are respectively inserted into the upper positioning grooves 516; the lower turbine assembly 52 comprises a lower turbine seat 521 sleeved at the lower end of the filter frame body 3, the lower turbine seat 521 and the filter frame body 3 are positioned with each other, the lower turbine seat 521 is cylindrical, a lower turbine ring body 522 concentrically arranged with the lower turbine seat 521 is arranged on the circumferential outer side of the lower turbine seat 521, a plurality of lower turbine blades 523 which are arc-shaped and uniformly distributed and obliquely arranged in the same direction as the upper turbine blades 513 are arranged between the circumferential inner side of the lower turbine ring body 522 and the circumferential outer side of the lower turbine seat 521, and a lower flow guide channel 524 for communicating the raw water cavity 17 with the sewage discharge port 16 is formed between two adjacent lower turbine blades 523; lower turbine seat 521 circumference inboard has lower turbine ring channel 525, and filters 3 lower extreme circumference outsides of support body have the joint in the protruding circle 526 of location of turbine ring channel 525 down, still is equipped with the protruding 527 of lower location of a plurality of vertical settings in turbine seat 521 circumference inboard down, filters 3 lower extremes of support body have a plurality of and fix a position protruding 527 one-to-one down lower constant head tank 528 down, and fix a position protruding 527 and peg graft respectively in lower constant head tank 528 down. The upper turbine seat 511 of the upper turbine assembly 51 rotates relative to the deflector body 53, and the upper turbine ring body 512 and the upper turbine seat 511 are arranged on the inner side and the outer side below the inclined deflector hole 55, so that the rotation of the upper turbine assembly 51 relative to the filter element cylinder 2 is not influenced. The upper positioning protrusion 515 is matched with the upper positioning groove 516 to fixedly connect the upper turbine seat 511 with the filter frame body 3.

Furthermore, the oblique flow guide mechanism 6 comprises a plurality of flow guide ribs 61 arranged on the circumferential outer side of the filter frame body 3, the flow guide ribs 61 are distributed on the circumferential periphery of the filter screen 21, and the flow guide ribs 61 are all provided with inclined plane type flow guide assemblies 62 facing the filter screen 21; all vertical settings of water conservancy diversion muscle 61 and integrative formation in the 3 circumference outsides of filtering the support body, and each water conservancy diversion muscle 61 evenly distributed sets up, and inclined plane formula water conservancy diversion subassembly 62 is for forming in the slope water conservancy diversion inclined plane 63 of water conservancy diversion muscle 61 one side, and the slope water conservancy diversion inclined plane 63 evenly distributed of each water conservancy diversion muscle 61 just all sets up towards the slope of filter screen 21 in the filter screen 21 circumference outside. The flow guiding ribs 61 of the oblique flow guiding mechanism 6 and the filter frame body 3 are of an integrated structure, and the inclined plane type flow guiding assemblies 62 on the flow guiding ribs 61 guide water flow to change from linear motion to spiral motion.

Furthermore, the connecting base 12 is a cylindrical shape with an upper opening and a lower opening, one side of the connecting base 12 is provided with a water inlet pipe joint 121, the other side is provided with a water outlet pipe joint 122, the water inlet 13 is formed on the water inlet pipe joint 121, the water outlet 14 is formed on the water outlet pipe joint 122, the circumferential inner side of the connecting base 12 is provided with a separation base 124 which is provided with a water cavity 123 and can separate the water cavity 123 from the circumferential inner wall of the connecting base 12, the separation base 124 is cylindrical and is provided with a cylinder inlet/outlet 125 which is used for communicating the water inlet 13 and the water outlet 14 with the water cavity 123, the cylinder inlet/outlet 125 of the separation base 124 is respectively connected with a separation pipe body 126 which is arranged on the circumferential inner side of the water inlet 13 and the water outlet 14, the connecting base 12 is provided with a base positioning component 8 which can detachably position the separation base 124 in the connecting base 12, the upper end of the separation base 124 and/or the upper end of the connecting base 12 can make the upper end of the separation base 124 open through a quick-disassembly connecting component 9 The quick-release seat body 15 with the closed opening is connected. During assembly, the separation base body 124 is assembled into the connection base body 12 to be attached to the inner side, the quick-release base body 15 is assembled into the opening at the upper end of the separation base body 124 through the quick-release connecting assembly 9, under the action of the quick-release base body 15 and the base body positioning assembly 8, the separation base body 124 is installed between the quick-release base body 15 and the connection base body 12 in a sealing manner, and the separation base body 124 extends downwards in the connection base body 12 until contacting and pressing with the upper end of the filter cup body 11. The connecting seat body 12 is generally made of metal materials such as copper, heavy metal ions in the connecting seat body are diffused into water after long-time use to pollute the water, and the water cavity 123 on the inner side of the separating seat body 124 is separated from the inner wall of the separating seat body 124 by the separating seat body 124, so that the heavy metals such as copper, lead, cadmium and the like are prevented from contacting the water.

In addition, the seat positioning assembly 8 includes a pressing ring 81 disposed at the circumferential inner side of the upper opening of the connecting seat 12 and located at the upper end of the obstructing seat 124 or the circumferential outer side of the obstructing seat 124, and the pressing ring 81 is detachably connected to the connecting seat 12, the pressing ring 81 is ring-shaped and has an external thread at the circumferential outer side of the pressing ring 81, and the circumferential inner side of the upper opening of the connecting seat 12 is engaged with the internal thread of the external thread, and the pressing ring 81 is connected to the connecting seat 12 through a thread; the clamping ring 81 is located between the circumference outer side of the upper end of the separation base body 124 and the circumference inner side of the upper end opening of the connection base body 12, the circumference outer side of the separation base body 124 is provided with a separation base limit step 82 which abuts against the clamping ring 81, the circumference outer side of the separation base limit step 82 is provided with a separation base seal ring groove 83, and the separation base seal ring groove 83 is provided with a separation base seal ring body 84 which abuts against the circumference inner side of the connection base body 12. The upper end of the pressing ring 81 is attached to and pressed against the quick release seat body 15, the inner side thereof is attached to the separation seat body 124, and the outer side thereof is attached to and pressed against the upper end and the inner side of the connection seat body 12. Spacing step 82 of separation seat compresses tightly with clamp ring 81 lower extreme and inboard laminating for the relative position of fixed clamp ring 81 and separation pedestal 124.

Meanwhile, the quick release seat body 15 comprises a seat body cylindrical part 91 which is cylindrical and penetrates through the inner side of the circumference of the blocking seat body 124, the quick release connecting assembly 9 is arranged between the seat body cylindrical part 91 and the blocking seat body 124, a first sealing structure 92 is arranged between the seat body cylindrical part 91 and the blocking seat body 124, the upper ends of the blocking seat body 124 and the pressing ring 81 are flush and exceed the upper end opening of the connecting seat body 12, and the upper end of the seat body cylindrical part 91 is provided with a seat body end cover part 93 which is abutted against the upper end of the blocking seat body 124 and/or the pressing ring 81; the quick-release connecting assembly 9 comprises a plurality of first quick-release ribs 94 arranged on the circumferential outer side of the cylindrical part 91 of the seat body, the circumferential inner side of the blocking seat body 124 is provided with a plurality of second quick-release ribs 95 which are respectively in one-to-one correspondence with the first quick-release ribs 94, the first quick-release ribs 94 and the second quick-release ribs 95 are provided with axial limiting parts 96 and circumferential limiting parts 97, the axial limiting parts 96 of the first quick-release ribs 94 and the axial limiting parts 96 of the second quick-release ribs 95 are arranged in an up-and-down abutting mode, and one ends of the axial limiting parts 96 of the first quick-release ribs 94 or the second quick-release ribs 95 abut against the second quick-release ribs 95 or the circumferential limiting parts 97 of the first quick-release ribs 94; the first sealing structure 92 comprises a plurality of first sealing ring positioning grooves 921 arranged on the circumferential outer side of the seat body cylindrical part 91 or the circumferential inner side of the blocking seat body 124, and a first sealing ring body 922 abutting against the circumferential inner side of the blocking seat body 124 or the circumferential outer side of the seat body cylindrical part 91 is arranged in each first sealing ring positioning groove 921; the lower end of the connecting seat body 12 is axially limited relative to the upper end of the filtering cup body 11, and a second sealing structure 98 is arranged between the connecting seat body 12 and the filtering cup body 11; the upper end of the filter cup body 11 is inserted into the circumferential inner side of the connection seat body 12, the circumferential inner side of the lower end of the connection seat body 12 is provided with the connection seat limiting step 127, the circumferential outer side of the upper end of the filter cup body 11 is provided with the cup body limiting step 128, the lower end of the cup body limiting step 127 abuts against the connection seat limiting step 127, the upper end of the cup body limiting step 128 abuts against the separation seat body 124, the second sealing structure 98 comprises a plurality of second sealing ring positioning grooves 981 arranged on the connection seat limiting step 127 or the cup body limiting step 128, and second sealing ring bodies 982 abutting against the circumferential inner side of the connection seat body 12 or the circumferential outer side of the filter cup body 11 are arranged in the second sealing ring positioning grooves 981. The seat body cylindrical part 91 and the seat body end cover part 93 are connected into a whole, wherein the quick-release connecting assembly 9 between the seat body cylindrical part 91 and the separation seat body 124 realizes the quick connection between the quick-release seat body 15 and the separation seat body 124 in a pressing and rotating mode, and the pressing ring 81 is pressed and fixed between the separation seat body 124 and the seat body end cover part 93 by the quick-release connecting assembly 9.

Wherein, the explosion-proof pollution discharge control mechanism 7 comprises a filter core base 71 arranged at the lower end of the filter core cylinder 2 and a frame base 72 arranged at the lower end of the filter frame body 3, the filter core base 71 and the frame base 72 are respectively provided with a valve rod hole 73, a movable valve rod 74 axially and movably penetrates through the valve rod hole 73, the movable valve rod 74 is axially and unidirectionally limited relative to the filter element base 71 and the frame body base 72 respectively, two valve rod limiting parts 75 are arranged on the movable valve rod 74, one of the valve rod limiting parts 75 abuts against the circumferential outer side of the lower end of the valve rod hole 73 on the filter element base 71, a valve rod guide cylinder 76 communicated with the valve rod hole 73 on the filter element base 71 is arranged at the upper end of the filter element base 71, the movable valve rod 74 penetrates through the valve rod guide cylinder 76, and the remaining valve rod limiting part 75 on the movable valve rod 74 abuts against the circumferential outer side of the lower end of the valve rod hole 73 on the frame body base 72; the lower end of the movable valve rod 74 penetrates through the sewage draining outlet 16, the lower end of the movable valve rod 74 is provided with a sewage draining plug 77 capable of sealing the lower end of the sewage draining outlet 16, and an elastic jacking explosion-proof mechanism 79 capable of enabling the movable valve rod 74 to keep an upward movement trend so as to enable the sewage draining plug 77 to keep a state of being sealed in the sewage draining outlet 16 is arranged between the upper end of the movable valve rod 74 and the valve rod seat 78.

Obviously, the elastic jacking explosion-proof mechanism 79 comprises an explosion-proof spring 791 sleeved on the circumferential outer side of the upper end of the movable valve rod 74, and one end of the explosion-proof spring 791 abuts against a spring limiting part 792 detachably mounted on the upper end of the movable valve rod 74, and the other end abuts against the valve rod seat 78; the diameter of the spring limiting part 792 is larger than that of the movable valve rod 74, the spring limiting part 792 is connected with the movable valve rod 74 in a threaded mode, and the upper end face of the spring limiting part 792 and the end face of the end, connected with the movable valve rod 74, of the sewage discharging plug 77 are respectively formed on a stress surface 793; the lower end of the sewage draining outlet 16 is connected with a sewage draining joint 161, a sewage draining channel 162 communicated with the sewage draining outlet 16 is arranged in the sewage draining joint 161, the diameter of the sewage draining channel 162 is larger than that of the sewage draining outlet 16, a sewage draining plug 77 is integrally formed at the lower end of the movable valve rod 74, and the sewage draining plug 77 extends into the sewage draining channel 162; the diameter of the sewage discharge plug 77 is equal to that of the sewage discharge outlet 16, a sewage discharge sealing ring groove 163 is formed in the circumferential outer side of the sewage discharge plug 77, and a sewage discharge sealing ring body 164 abutted against the lower end of the sewage discharge outlet 16 is arranged in the sewage discharge sealing ring groove 163; or the diameter of the sewage discharging plug 77 is larger than that of the sewage discharging opening 16, a plug limiting step 165 is formed between the sewage discharging opening 16 and the sewage discharging channel 162, and the upper end of the sewage discharging plug 77 abuts against the plug limiting step 165; the circumferential inner sides of the upper end and the lower end of the sewage draining port 16 are respectively provided with an annular sewage draining inclined plane 166, the circumferential inner sides of the upper end and the lower end of the sewage draining plug 77 are respectively provided with an annular guide inclined plane 167, and the annular sewage draining inclined plane 166 at the lower end of the sewage draining port 16 is matched with the annular guide inclined plane 167 at the upper end of the sewage draining plug 77. The extreme pressure of the water pressure which can be borne by the explosion-proof spring 791 is equivalent to the water pressure generated by 10 kilograms of water.

Preferably, the lifting driving mechanism 4 includes a driving sleeve 41 disposed in the quick-release base 15, a lifting rotating base 42 detachably connected to the upper end of the filter cartridge body 2 is inserted into the driving sleeve 41, the purified water chamber 18 is communicated with the water outlet 14 through a water channel in the lifting rotating base 42, a scraping and washing driving assembly 43 capable of axially moving and circumferentially rotating the lifting rotating base 42 relative to the driving sleeve 41 is disposed between the driving sleeve 41 and the lifting rotating base 42, the scraping and washing driving assembly 43 includes a driving rod 44 circumferentially rotating and axially positioning and inserted into the upper end of the driving sleeve 41, the upper end of the driving rod 44 is connected to a rotating knob 45 rotatably disposed on the upper end of the quick-release base 15, a circumferential stroke limiting mechanism 46 is disposed between the quick-release base 15 and the rotating knob 45, the lower end of the driving rod 44 is circumferentially positioned and axially slidably connected to the upper end of the lifting rotating base 42, the upper end of the lifting rotary seat body 42 is provided with an external thread part 47 with external threads on the circumferential outer side, the external threads on the external thread part 47 are meshed with internal threads arranged on the circumferential inner side of the driving sleeve body 41, the circumferential outer side of the upper end of the driving rod body 44 and the circumferential inner side of the driving sleeve body 41 are sealed with each other, the lower end of the driving rod body 44 is provided with a lifting driving part 48 with a non-circular cross section, the circumferential inner side of the external thread part 47 is provided with a lifting driving hole 49 matched with the lifting driving part 48, and the lifting driving part 48 and the lifting driving hole 49 axially slide and are circumferentially positioned.

Obviously, the circumferential stroke limiting mechanism 46 includes two first stroke limiting blocks symmetrically disposed on the upper end of the quick release seat 15 in the circumferential direction, and the lower end of the rotating knob 45 has two second stroke limiting blocks which are respectively staggered with the first stroke limiting blocks one by one and abut against each other. When the filter is in a normal filtering state, any one of the second stroke limiting blocks and the two first stroke limiting blocks is adjacent and abutted against each other, water flows enter from the water inlet 13 and enter the raw water cavity 17 through a gap between the circumferential outer side of the diversion disc body 53 and the filtering cup body 11, and the water flows are filtered by the filter screen 21 and then discharged through the water outlet 14 by a water channel in the lifting rotating seat body 42.

Deeply, when the filter needs to be cleaned, the rotation knob 45 is screwed to drive the driving rod 44 to rotate circumferentially until the second stroke limiting block and the two first stroke limiting blocks are left adjacent and abutted against each other, so that the rotation knob 45 and the quick release seat body 15 are positioned circumferentially and cannot rotate continuously with small force, the second stroke limiting block can ensure that the filter element cylinder 2 descends and the sewage discharge port 16 is opened by the stroke from one first stroke limiting block to the other first stroke limiting block, the rotation stroke angle can be 120-150 degrees, when the filter element cylinder 2 descends, the circumferential outer wall of the flow guide disc body 53 contacts with the filter cup body 11, water flow is forced to enter the raw water cavity 17 through the inclined flow guide hole 55, the filter frame body 3 and the upper turbine blade 513, the lower turbine blade 523 are driven to rotate to generate vortex water flow, and the filter screen 21 is washed through the inclined flow guide slope 63, the cleaned water flow and impurities are discharged through the sewage discharge outlet 16.

When the filter needs to be disassembled, the water valve is closed, the filter is in a cleaning state, and the rotating knob 45 is continuously screwed with large force to drive the quick-release seat body 15 to rotate together, so that the quick-release seat body 15 can be quickly disassembled, the filter shell 1 is sequentially disassembled, and the quick-release effect is realized.

In summary, the principle of the present embodiment is: the filter core barrel 2 and the 3 vertical lifts of filter support body are controlled to lift actuating mechanism 4 to switch the filter to filtering or cleaning state, adopt two turbine water conservancy diversion structures 5 to drive the relative filter core barrel 2 rotation of filter support body 3, the slant water conservancy diversion mechanism 6 of filter support body 3 side produces the extrusion rivers towards filter core barrel 2 thereupon and washes filter screen 21.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the filter housing 1, the filter cup 11, the connection seat body 12, the water inlet pipe joint 121, the water outlet pipe joint 122, the water cavity 123, the separation seat body 124, the inlet/outlet 125 of the filter housing, the separation tube 126, the connection seat limiting step 127, the cup body limiting step 128, the water inlet 13, the water outlet 14, the quick-release seat body 15, the sewage outlet 16, the sewage connector 161, the sewage channel 162, the sewage sealing ring groove 163, the sewage sealing ring body 164, the plug limiting step 165, the annular sewage slope 166, the annular guide slope 167, the raw water cavity 17, the purified water cavity 18, the filter cartridge body 2, the filter screen 21, the filter frame body 3, the lifting drive mechanism 4, the drive sleeve body 41, the lifting rotation seat body 42, the scraping drive assembly 43, the drive rod body 44, the rotation knob 45, the circumferential travel limiting mechanism 46, the external thread portion 47, the lifting drive portion 48, the lifting drive hole 49, the water outlet pipe joint 123, the quick-release seat body 15, the sewage outlet 16, the sewage channel 161, the sewage channel 162, the sewage sealing ring groove 163, the sewage sealing ring body 164, the plug limiting step 165, the annular guide groove 164, the annular guide groove 166, the external thread portion, and the external thread portion of the filter body of the external thread portion of the filter housing 18, and the filter housing of the filter housing body of the filter housing of, The double-turbine flow guide structure 5, an upper turbine assembly 51, an upper turbine base 511, an upper turbine ring body 512, an upper turbine blade 513, an upper flow guide channel 514, an upper positioning protrusion 515, an upper positioning groove 516, a lower turbine assembly 52, a lower turbine base 521, a lower turbine ring body 522, a lower turbine blade 523, a lower flow guide channel 524, a lower turbine ring groove 525, a positioning convex ring 526, a lower positioning protrusion 527, a lower positioning groove 528, a flow guide disc body 53, an inclined flow guide assembly 54, an inclined flow guide hole 55, an inclined flow guide mechanism 6, a flow guide rib 61, an inclined flow guide assembly 62, an inclined flow guide inclined surface 63, an explosion-proof pollution discharge control mechanism 7, a filter element base 71, a frame base 72, a valve rod hole 73, a movable valve rod 74, a valve rod limiting part 75, a valve rod guide cylinder 76, a pollution discharge plug 77, a valve rod base 78, an elastic jacking mechanism 79, an explosion-proof spring 791, a spring limiting part 792, a stressed surface 793, a stress surface, The quick release type seat comprises terms such as a seat body positioning component 8, a pressing ring 81, a spacing step 82 of a separation seat, a sealing ring groove 83 of the separation seat, a sealing ring body 84 of the separation seat, a quick release connecting component 9, a cylindrical part 91 of the seat body, a first sealing structure 92, a first sealing ring positioning groove 921, a first sealing ring body 922, a seat body end cover part 93, a first quick release convex rib 94, a second quick release convex rib 95, an axial spacing part 96, a circumferential spacing part 97, a second sealing structure 98, a second sealing ring positioning groove 981 and a second sealing ring body 982, but the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. A quick-dismantling type front filter with a double-turbine cleaning function comprises a filter shell (1), wherein the filter shell (1) comprises a filtering cup body (11), a connecting seat body (12) with a water inlet (13) and a water outlet (14) is arranged at the upper end of the filtering cup body (11), a quick-dismantling seat body (15) is arranged at the upper end of the connecting seat body (12), a sewage draining outlet (16) is formed at the lower end of the filtering cup body (11), a filter core cylinder body (2) with a filter screen (21) in the circumferential direction is arranged in the filter shell (1), a filtering frame body (3) is sleeved on the circumferential outer side of the filter core cylinder body (2), an original water cavity (17) communicated with the water inlet (13) and/or the sewage draining outlet (16) is formed between the circumferential outer side of the filter screen (21) and the circumferential inner side of the filter shell (1), and a purified water cavity (18) communicated with the water outlet (14) is formed on the circumferential inner side of the filter screen (21), it is characterized in that the filtering cup body (11), the connecting seat body (12) and the quick-release seat body (15) are connected in a quick-release way, the filter frame body (3) rotates in the circumferential direction and is axially positioned relative to the filter element cylinder body (2), the filter element cylinder (2) is connected with a lifting driving mechanism (4) which can drive the filter element cylinder (2) to axially move and circumferentially rotate, a double-turbine flow guide structure (5) linked with the filter frame body (3) is arranged on the circumferential outer side of the filter frame body (3), and the circumferential direction of the filter frame body (3) is provided with an oblique flow guide mechanism (6) facing the circumferential outer side of the filter screen (21), the filter element barrel (2) lower extreme be equipped with can open drain (16) or close when filter element barrel (2) axial goes up and down and keep explosion-proof formula blowdown control mechanism (7) that have the pressure release function under the closed condition at drain (16).

2. The quick-release pre-filter with twin-turbine washing function according to claim 1, it is characterized in that the double-turbine flow guide structure (5) comprises an upper turbine assembly (51) which is arranged at the upper end of the filtering frame body (3) and is used for communicating the water inlet (13) with the raw water cavity (17), a lower turbine assembly (52) which is used for communicating the raw water cavity (17) with the sewage discharge outlet (16) is arranged at the lower end, and the upper turbine assembly (51) and/or the lower turbine assembly (52) is/are linked with the filter frame body (3), the upper end of the filter element cylinder (2) is provided with a flow guide disc body (53), the circumferential outer side of the flow guide disc body (53) and the circumferential inner side of an opening at the upper end of a filtering cup body (11) of the filter shell (1) are mutually abutted and sealed, an inclined diversion assembly (54) corresponding to the upper turbine assembly (51) is arranged on the diversion disc body (53); the inclined diversion assembly (54) comprises a plurality of inclined diversion holes (55) which are circumferentially and uniformly arranged on the diversion disc body (53), each inclined diversion hole (55) is obliquely arranged in the same direction and penetrates through the diversion disc body (53), the upper ends of the inclined diversion holes (55) are communicated with the water inlet (13), and the lower ends of the inclined diversion holes face the upper turbine assembly (51).

3. The quick-dismantling prefilter with a double-turbine cleaning function as claimed in claim 2, wherein the upper turbine assembly (51) comprises an upper turbine seat (511) sleeved on the circumferential outer side of the upper end of the filter element cylinder (2) and located between the lower end of the flow guide disc body (53) and the upper end of the filter frame body (3), the upper turbine seat (511) and the flow guide disc body (53) are arranged in a circumferential rotating manner, the upper turbine seat (511) and the filter frame body (3) are mutually positioned, the upper turbine seat (511) is cylindrical, the circumferential outer side of the upper end of the upper turbine seat is provided with an upper turbine ring body (512) concentrically arranged with the upper turbine seat (511), a plurality of upper turbine blades (513) which are arc-shaped, uniformly distributed and obliquely arranged in the same direction are arranged between the circumferential inner side of the upper turbine ring body (512) and the circumferential outer side of the upper turbine seat (511), and upper flow guide channels for communicating the oblique flow guide holes (55) with the raw water chamber (17) are formed between the two adjacent upper turbine blades (513) A lane (514); the lower end of the upper turbine seat (511) is inserted into the circumferential inner side of the upper end of the filtering frame body (3), the circumferential outer side of the upper turbine seat (511) is provided with a plurality of upper positioning bulges (515) which extend downwards, the upper end of the filtering frame body (3) is provided with a plurality of upper positioning grooves (516) which are in one-to-one correspondence with the upper positioning bulges (515), and the upper positioning bulges (515) are respectively inserted into the upper positioning grooves (516); the lower turbine assembly (52) comprises a lower turbine seat (521) sleeved at the lower end of the filter frame body (3), the lower turbine seat (521) and the filter frame body (3) are mutually positioned, the lower turbine seat (521) is cylindrical, a lower turbine ring body (522) concentrically arranged with the lower turbine seat (521) is arranged on the circumferential outer side of the lower turbine seat (521), a plurality of lower turbine blades (523) which are arc-shaped and uniformly distributed and obliquely arranged in the same direction as the upper turbine blades (513) are arranged between the circumferential inner side of the lower turbine ring body (522) and the circumferential outer side of the lower turbine seat (521), and a lower flow guide channel (524) for communicating the raw water cavity (17) with the sewage discharge port (16) is formed between every two adjacent lower turbine blades (523); lower turbine seat (521) circumference inboard have lower turbine ring channel (525), just filter support body (3) lower extreme circumference outside have the location bulge loop (526) of joint in lower turbine ring channel (525), still be equipped with the lower location arch (527) of a plurality of vertical settings in lower turbine seat (521) circumference inboard, filter support body (3) lower extreme have a plurality of and lower location arch (527) lower constant head tank (528) of one-to-one, just lower location arch (527) peg graft respectively in lower constant head tank (528).

4. The quick-release pre-filter with the double-turbine cleaning function according to claim 2, wherein the inclined flow guide mechanism (6) comprises a plurality of flow guide ribs (61) arranged on the circumferential outer side of the filter frame body (3), the flow guide ribs (61) are distributed on the circumferential periphery of the filter screen (21), and the flow guide ribs (61) are provided with inclined flow guide assemblies (62) facing the filter screen (21); the equal vertical setting of water conservancy diversion muscle (61) and an organic whole be formed into in filtering support body (3) circumference outside, and each water conservancy diversion muscle (61) evenly distributed sets up, inclined plane formula water conservancy diversion subassembly (62) for forming in slope water conservancy diversion inclined plane (63) of water conservancy diversion muscle (61) one side, and slope water conservancy diversion inclined plane (63) evenly distributed of each water conservancy diversion muscle (61) just all set up towards filter screen (21) slope in filter screen (21) circumference outside.

5. The quick-release pre-filter with the double-turbine cleaning function according to claim 1, 2, 3 or 4, wherein the connecting base body (12) is in a cylindrical shape with an open top and a bottom, one side of the connecting base body (12) is provided with a water inlet pipe joint (121), the other side of the connecting base body is provided with a water outlet pipe joint (122), the water inlet (13) is formed on the water inlet pipe joint (121), the water outlet (14) is formed on the water outlet pipe joint (122), the inner circumferential side of the connecting base body (12) is provided with a blocking base body (124) which is provided with a water cavity (123) and can block the water cavity (123) from the inner circumferential wall of the connecting base body (12), the blocking base body (124) is in a cylindrical shape, the blocking base body (124) is provided with a cylinder inlet/outlet (125) for communicating the water inlet (13) and the water outlet (14) with the water cavity (123), and the cylinder inlet/outlet (125) of the blocking base body (124) is respectively connected with the water inlet/outlet (13) and the water inlet/outlet (125) which is penetrated through the water inlet (13) and is connected with the water inlet (13) and the water inlet/outlet (125) respectively The utility model provides a separation pedestal (15) that delivery port (14) circumference is inboard, connection pedestal (12) on be equipped with can be with separation pedestal (124) detachable location in connecting pedestal (12) pedestal locating component (8), separation pedestal (124) upper end and/or connection pedestal (12) upper end pass through quick detach coupling assembling (9) and can link to each other separation pedestal (124) upper end open confined quick detach pedestal (15).

6. The quick-release pre-filter with the double-turbine cleaning function according to claim 5, wherein the holder positioning assembly (8) comprises a pressing ring (81) which is arranged at the inner side of the upper end opening of the connecting holder (12) in the circumferential direction and is positioned at the upper end of the blocking holder (124) or at the outer side of the blocking holder (124) in the circumferential direction, the pressing ring (81) is detachably connected with the connecting holder (12), the pressing ring (81) is ring-shaped, the outer side of the pressing ring (81) in the circumferential direction is provided with an external thread, the inner side of the upper end opening of the connecting holder (12) in the circumferential direction is engaged with the internal thread of the external thread, and the pressing ring (81) is connected with the connecting holder (12) through the thread; pressing ring (81) be located separation pedestal (124) upper end circumference outside and connect between pedestal (12) the uncovered circumference inboard in upper end, just separation pedestal (124) circumference outside have with pressing ring (81) the spacing step of separation seat (82) that offsets and lean on, have separation seat seal ring groove (83) in separation seat spacing step (82) circumference outside, just separation seat seal ring groove (83) be equipped with be connected pedestal (12) circumference inboard separation seat seal ring body (84) that offsets and lean on.

7. The quick-release pre-filter with the double-turbine cleaning function according to claim 5, wherein the quick-release seat body (15) comprises a seat body cylindrical part (91) which is cylindrical and penetrates through the inner circumferential side of the blocking seat body (124), the quick-release connecting assembly (9) is arranged between the seat body cylindrical part (91) and the blocking seat body (124), a first sealing structure (92) is arranged between the seat body cylindrical part (91) and the blocking seat body (124), the upper ends of the blocking seat body (124) and the pressing ring (81) are flush and exceed the upper end opening of the connecting seat body (12), and the upper end of the seat body cylindrical part (91) is provided with a seat body end cover part (93) which abuts against the upper end of the blocking seat body (124) and/or the pressing ring (81); the quick-release connecting assembly (9) comprises a plurality of first quick-release ribs (94) arranged on the circumferential outer side of a cylindrical part (91) of the base body, the circumferential inner side of the blocking base body (124) is provided with a plurality of second quick-release ribs (95) which are in one-to-one correspondence with the first quick-release ribs (94), the first quick-release ribs (94) and the second quick-release ribs (95) are provided with axial limiting parts (96) and circumferential limiting parts (97), the axial limiting parts (96) of the first quick-release ribs (94) and the axial limiting parts (96) of the second quick-release ribs (95) are arranged in an up-and-down abutting mode, and one ends of the axial limiting parts (96) of the first quick-release ribs (94) or the second quick-release ribs (95) abut against the second quick-release ribs (95) or the circumferential limiting parts (97) of the first quick-release ribs (94); the first sealing structure (92) comprises a plurality of first sealing ring positioning grooves (921) which are arranged on the circumferential outer side of the seat body cylindrical part (91) or the circumferential inner side of the blocking seat body (124), and a first sealing ring body (922) which is abutted against the circumferential inner side of the blocking seat body (124) or the circumferential outer side of the seat body cylindrical part (91) is arranged in each first sealing ring positioning groove (921); the lower end of the connecting seat body (12) is axially limited relative to the upper end of the filtering cup body (11), and a second sealing structure (98) is arranged between the connecting seat body (12) and the filtering cup body (11); filter cup (11) upper end wear to locate and connect pedestal (12) circumference inboard, just connection pedestal (12) lower extreme circumference inboard have connecting seat spacing step (127), just filter cup (11) upper end circumference outside have the cup spacing step (128) that lower extreme and connecting seat spacing step (127) support each other and lean on, just cup spacing step (128) upper end support with separation pedestal (124) and lean on, second seal structure (98) including a plurality of second sealing washer constant head tanks (981) of setting on connecting seat spacing step (127) or cup spacing step (128), just second sealing washer constant head tank (982) that are equipped with and connect pedestal (12) circumference inboard or filter cup (11) circumference outside and support.

8. The quick-release pre-filter with the double-turbine cleaning function according to claim 1, 2, 3 or 4, wherein the explosion-proof pollution discharge control mechanism (7) comprises a filter core base (71) arranged at the lower end of the filter core cylinder (2) and a frame base (72) arranged at the lower end of the filter frame body (3), the filter core base (71) and the frame base (72) are respectively provided with a valve rod hole (73), a movable valve rod (74) axially and movably penetrates through the valve rod hole (73), the movable valve rod (74) is axially and unidirectionally limited relative to the filter core base (71) and the frame base (72), the movable valve rod (74) is provided with two valve rod limiting parts (75), one of the valve rod limiting parts (75) abuts against the outer side of the circumferential direction of the lower end of the valve rod hole (73) on the filter core base (71), the upper end of the filter element base (71) is provided with a valve rod guide cylinder body (76) communicated with a valve rod hole (73) on the filter element base (71), the movable valve rod (74) penetrates through the valve rod guide cylinder body (76), and the rest valve rod limiting part (75) on the movable valve rod (74) abuts against the outer side of the circumferential direction of the lower end of the valve rod hole (73) on the frame body base (72); the lower end of the movable valve rod (74) penetrates through the sewage draining outlet (16), the lower end of the movable valve rod (74) is provided with a sewage draining plug (77) capable of sealing the lower end of the sewage draining outlet (16), and an elastic jacking anti-explosion mechanism (79) capable of enabling the movable valve rod (74) to keep an upward movement trend so as to enable the sewage draining plug (77) to be sealed in the state of the sewage draining outlet (16) is arranged between the upper end of the movable valve rod (74) and the valve rod seat (78).

9. The quick-release pre-filter with the double-turbine cleaning function according to claim 8, wherein the elastic jacking explosion-proof mechanism (79) comprises an explosion-proof spring (791) sleeved outside the circumference of the upper end of the movable valve rod (74), one end of the explosion-proof spring (791) abuts against a spring limiting part (792) detachably mounted at the upper end of the movable valve rod (74), and the other end of the explosion-proof spring abuts against a valve rod seat (78); the diameter of the spring limiting part (792) is larger than that of the movable valve rod (74), the spring limiting part (792) is connected with the movable valve rod (74) in a threaded mode, and the upper end face of the spring limiting part (792) and the end face of the end, connected with the movable valve rod (74), of the sewage discharge plug (77) are respectively formed on a stress surface (793); the lower end of the sewage draining outlet (16) is connected with a sewage draining joint (161), a sewage draining channel (162) communicated with the sewage draining outlet (16) is arranged in the sewage draining joint (161), the diameter of the sewage draining channel (162) is larger than that of the sewage draining outlet (16), a sewage draining plug (77) is integrally formed at the lower end of the movable valve rod (74), and the sewage draining plug (77) extends into the sewage draining channel (162); the diameter of the sewage discharge plug (77) is equal to that of the sewage discharge outlet (16), a sewage discharge sealing ring groove (163) is formed in the circumferential outer side of the sewage discharge plug (77), and a sewage discharge sealing ring body (164) abutted against the lower end of the sewage discharge outlet (16) is arranged in the sewage discharge sealing ring groove (163); or the diameter of the sewage discharge plug (77) is larger than that of the sewage discharge port (16), a plug limiting step (165) is formed between the sewage discharge port (16) and the sewage discharge channel (162), and the upper end of the sewage discharge plug (77) abuts against the plug limiting step (165); the sewage draining device is characterized in that the circumferential inner sides of the upper end and the lower end of the sewage draining port (16) are respectively provided with an annular sewage draining inclined plane (166), the circumferential inner sides of the upper end and the lower end of the sewage draining plug (77) are respectively provided with an annular guide inclined plane (167), and the annular sewage draining inclined plane (166) at the lower end of the sewage draining port (16) is matched with the annular guide inclined plane (167) at the upper end of the sewage draining plug (77).

10. The quick-release pre-filter with double-turbine cleaning function as claimed in claim 6, wherein the lifting driving mechanism (4) comprises a driving sleeve (41) disposed in the quick-release base (15), the driving sleeve (41) is internally provided with a lifting rotating base (42) detachably connected to the upper end of the filter cartridge (2), the water purifying chamber (18) is communicated with the water outlet (14) through a water channel in the lifting rotating base (42), a scraping and washing driving assembly (43) is disposed between the driving sleeve (41) and the lifting rotating base (42) and enables the lifting rotating base (42) to axially move and circumferentially rotate relative to the driving sleeve (41), the scraping and washing driving assembly (43) comprises a driving rod (44) axially positioned at the upper end of the driving sleeve (41), and the upper end of the driving rod (44) rotates a rotating knob (45) disposed at the upper end of the quick-release base (15) ) Connected with each other, a circumferential travel limit mechanism (46) is arranged between the quick-release seat body (15) and the rotary knob (45), the lower end of the driving rod body (44) is circumferentially positioned and axially connected with the upper end of the lifting rotating seat body (42) in a sliding way, the upper end of the lifting rotary seat body (42) is provided with an external thread part (47) with external threads on the circumferential outer side, and the external thread on the external thread part (47) is meshed with the internal thread arranged on the circumferential inner side of the driving sleeve body (41), the circumferential outer side of the upper end of the driving rod body (44) and the circumferential inner side of the driving sleeve body (41) are mutually sealed, and the lower end of the driving rod body (44) is provided with a lifting driving part (48) with a non-circular cross section, and the inner side of the circumference of the external thread part (47) is provided with a lifting driving hole (49) matched with the lifting driving part (48), and the lifting driving part (48) and the lifting driving hole (49) axially slide and are circumferentially positioned.