CN207111408U - A kind of water sucking mouth filter of water pump - Google Patents

Abstract

The utility model discloses a kind of water sucking mouth filter of water pump, its drip irrigation device is：It is used for the filter assemblies for filtering sandy soil including the chimney filter that water sucking mouth is connected with suction hose and in the chimney filter, also include being respectively arranged on first positioning sleeve and the second positioning sleeve at the chimney filter both ends, the first positioning sleeve and the second positioning sleeve are inconsistent to be positioned to filter assemblies with filter assemblies both ends respectively；The filter assemblies include the rough filtering component away from water sucking mouth and the fine filtering component close to water sucking mouth, wherein, rough filtering component is used to filter the larger sandy soil of particle size, and fine filtering component is used to filter the less sandy soil of particle size；Also include the first guidance set and the second guidance set that rough filtering component and fine filtering the component stability in chimney filter is respectively increased, the utility model has the advantages that can reduce the debris such as sandy soil enters water pump from water sucking mouth.

Description

A kind of water sucking mouth filter of water pump

Technical field

It the utility model is related to a kind of water pump, the water sucking mouth filter of more particularly to a kind of water pump.

Background technology

Water pump has specification small, the advantages that efficiency high of drawing water, is widely used in plumbing and architecture industry.

Notification number is that CN205779697U Chinese patent discloses a kind of enclosed water ring pumping system, including water ring pump, gas Liquid/gas separator and heat exchanger, water ring pump include exhaust outlet and working solution entrance, and working solution entrance is connected with drinking-water pipe, exhaust outlet Be connected with gas-liquid separator, water ring pump is absorbed water at water source by working solution entrance, then by water by exhaust outlet be discharged into Gas-liquid separator.Gas leak phenomenon is likely to occur in water ring pump water absorption course or comes out the bubble separation in water, therefore from exhaust Some air have been mixed into the water of mouth discharge.After water enters gas-liquid separator, the bottom in current direction gas-liquid separator, from bottom Delivery port drainage gas-liquid separator；Air floats over the top in gas-liquid separator and from top drainage gas-liquid separator.

During subway and civil engineering, saturation water in perched water, aquiclude and water-bearing layer in stratum The residual water at interface, it is difficult drainage using conventional methods such as current pipe wells.Vacuum tube well in well casing and is filled out by vavuum pump Certain vacuum is formed in material and stratum, makes to form bigger pressure differential between water-bearing layer and well casing and filler, on the one hand carries High bulk water flow velocity, on the other hand weakening capillary force is extracted more capillary waters, reaches effect of preferably drawing water.

Vavuum pump is in operation process, and the fine earth such as sand, silt particle easily enters vavuum pump with drinking-water pipe in well casing, so as to Vavuum pump normal work is influenceed, but the enclosed water ring pumping system can not realize the filtering to debris such as sandy soil.

Utility model content

The purpose of this utility model is to provide a kind of water sucking mouth filter of water pump, and its advantage is can to reduce sandy soil etc. Debris enters water pump from water sucking mouth.

Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of water sucking mouth of water pump Filter, including it is used for chimney filter that water sucking mouth is connected with suction hose and in the chimney filter filtering group for filtering sandy soil Part, in addition to it is respectively arranged on first positioning sleeve and the second positioning sleeve at the chimney filter both ends, the first positioning sleeve and the second positioning sleeve It is inconsistent to be positioned to filter assemblies with filter assemblies both ends respectively.

Pass through above-mentioned technical proposal, filter assemblies are located in chimney filter, and chimney filter is connected between suction hose and water sucking mouth, and first Positioning sleeve and the second positioning sleeve position to filter assemblies, prevent filter assemblies impulsive force effect under occur loosen or not It is stable.Water enters in chimney filter from suction hose, and after filter assemblies, mixed sandy soil are filtered in water, reduces sandy soil and enters In water pump, water pump operation is more stable, pumping for water pump it is more efficient.The blade and pump housing inwall of water pump rub with sandy soil Probability reduce, reduce the abrasion of water pump, so as to extend the service life of water pump.

The utility model is further arranged to：The filter assemblies include rough filtering component and close water suction away from water sucking mouth The fine filtering component of mouth, wherein, rough filtering component is used to filter the larger sandy soil of particle size, and fine filtering component is used to filter particle size Less sandy soil.

Pass through above-mentioned technical proposal, after water enters filter assemblies, rough filtering component is first passed through, mixed sandy soil are by thick in water When filtering component, the larger sandy soil of particle size are filtered out by rough filtering component.The less sandy soil of particle size are as current are through slightly Component is filtered, when by fine filtering component, the less sandy soil of particle size are fallen by fine filtering component filters.Two filter assemblies can carry Filter effect is risen, the probability of sandy soil through filter assemblies is smaller.Rough filtering component and the combination of fine filtering component can reduce fine grained sand Soil and coarse granule sandy soil are assembled together, so as to reduce the blocked possibility of filter assemblies.

The utility model is further arranged to：The rough filtering component includes coarse filtration filter screen and the first guiding group affixed with it Part, the first guidance set and the chimney filter inwall are inconsistent to improve the stability of coarse filtration filter screen.

Pass through above-mentioned technical proposal, particle larger sandy soil can be fallen when passing through coarse filtration filter screen by coarse filtration strainer filtering, reduce Sandy soil enter in water pump.The first guidance set is connected with coarse filtration filter screen, during coarse filtration filter screen is installed in chimney filter, first Guidance set and chimney filter inwall are inconsistent, and coarse filtration filter screen is slipped into chimney filter with the first guidance set, and the first guidance set can be to prevent Only coarse filtration filter screen run-off the straight because of force unbalance, easily stuck in chimney filter after inclination, therefore, the first guidance set can be with Make more steady in coarse filtration filter screen installation process.In the course of the work, current have certain impulsive force to coarse filtration filter screen, are not having In the case of having the first guidance set, coarse filtration filter screen easily loosens or tilted, after inclination, coarse filtration filter screen and chimney filter inwall it Between gap increase, sandy soil are easily passed through in the gap between coarse filtration filter cloth edge and chimney filter inwall, therefore, the first guiding group Part can make coarse filtration filter screen more stable in the course of the work, so as to lift the strainability of fine filtering filter screen.

The utility model is further arranged to：First guidance set includes being respectively and fixedly connected with the coarse filtration filter screen two sides The first guide sleeve and the second guide sleeve.

Pass through above-mentioned technical proposal, the first guide sleeve and the second guide sleeve are respectively and fixedly connected with the two sides of coarse filtration filter screen, coarse filtration Filter screen is located among the first guide sleeve and the second guide sleeve, and coarse filtration filter screen can more be stably fixed to the first guidance set On.During installation, either direction of the rough filtering component along the first court of guide sleeve institute or the direction of court of the second guide sleeve institute are inserted In chimney filter, coarse filtration filter screen each may lie among chimney filter, it is not necessary to is judged the direction of coarse filtration filter screen, installed easier.The One positioning sleeve and the second positioning sleeve can be inconsistent with the first guide sleeve or the second guide sleeve respectively, can avoid the first positioning sleeve Or second positioning sleeve it is directly inconsistent with coarse filtration filter screen, avoid coarse filtration filter screen from being damaged because being extruded.First positioning sleeve, Two positioning sleeves are socketed with chimney filter, have certain gap between chimney filter inwall, sandy soil may pass through coarse filtration from the gap Component, therefore, the first guide sleeve and the second guide sleeve can improve the filter effect of coarse filtration filter screen.

The utility model is further arranged to：The fine filtering component includes fine filtering filter screen and the second guiding group affixed with it Part, the second guidance set and the chimney filter inwall are inconsistent to improve the stability of fine filtering filter screen.

Pass through above-mentioned technical proposal, particle less sandy soil can be fallen when passing through fine filtering filter screen by fine filtering strainer filtering, reduce Sandy soil enter in water pump.The second guidance set is connected with fine filtering filter screen, during fine filtering filter screen is installed in chimney filter, second Guidance set and chimney filter inwall are inconsistent, and fine filtering filter screen is slipped into chimney filter with the second guidance set, and the second guidance set can be to prevent Only fine filtering filter screen run-off the straight because of force unbalance, easily stuck in chimney filter after inclination, therefore, the second guidance set can be with Make more steady in fine filtering filter screen installation process.In the course of the work, current have certain impulsive force to fine filtering filter screen, are not having In the case of having the second guidance set, fine filtering filter screen easily loosens or tilted, after inclination, fine filtering filter screen and chimney filter inwall it Between gap increase, sandy soil are easily passed through in the gap between fine filtering filter cloth edge and chimney filter inwall, therefore, the second guiding group Part can make fine filtering filter screen more stable in the course of the work, so as to lift the strainability of fine filtering filter screen.

The utility model is further arranged to：Second guidance set includes being respectively and fixedly connected with the fine filtering filter screen two sides The 3rd guide sleeve and the 4th guide sleeve.

Pass through above-mentioned technical proposal, the 3rd guide sleeve and the 4th guide sleeve are respectively and fixedly connected with the two sides of fine filtering filter screen, fine filtering Filter screen is located among the 3rd guide sleeve and the 4th guide sleeve, and fine filtering filter screen can more be stably fixed to the second guidance set On.During installation, the either direction insertion filter in direction or fourth guide sleeve institute court of the fine filtering component along the 3rd court of guide sleeve institute In pipe, fine filtering filter screen each may lie among chimney filter, it is not necessary to is judged the direction of fine filtering filter screen, installed easier.First Positioning sleeve and the second positioning sleeve can be inconsistent with the 3rd guide sleeve or the 4th guide sleeve respectively, can avoid the first positioning sleeve or Second positioning sleeve is directly inconsistent with fine filtering filter screen, avoids fine filtering filter screen from being damaged because being extruded.First positioning sleeve, second Positioning sleeve is socketed with chimney filter, has certain gap between chimney filter inwall, sandy soil may pass through fine filtering group from the gap Part, therefore, the 3rd guide sleeve and the 4th guide sleeve can improve the filter effect of fine filtering filter screen.

The utility model is further arranged to：Described chimney filter one end is connected with first flange disk, and the chimney filter passes through first Ring flange is fixedly connected with the end face of water sucking mouth.

Pass through above-mentioned technical proposal, when filter is arranged on water pump, it can be consolidated by first flange disk bolt connection Fixed, more convenient during installation and removal, connection is more firm.After being fastenedly connected, first flange disk and water pump are inconsistent, the One ring flange and sealing between suction hose are relatively good, it is not easy to gas leak phenomenon occur, so as to improve the effect of drawing water of water pump Rate.When filter assemblies in chimney filter occur to block or need to change, under can easily first flange disk be dismantled from water pump Come, then filter assemblies are cleared up or changed.

The utility model is further arranged to：Described chimney filter one end is connected with the 3rd ring flange, and the chimney filter passes through the 3rd Ring flange is fixedly connected with suction hose.

Pass through above-mentioned technical proposal, when filter is arranged on suction hose, it can be connected by the 3rd flange plate bolt Fixed, more convenient during installation and removal, connection is more firm.After being fastenedly connected, the 3rd ring flange offsets with suction hose Touch, the sealing between the 3rd ring flange and suction hose is relatively good, it is not easy to gas leak phenomenon occurs, so as to improve drawing water for water pump Efficiency.When filter assemblies in chimney filter occur to block or need to change, easily the 3rd ring flange can be torn open from suction hose Unload down, then filter assemblies are cleared up or changed.

The utility model is further arranged to：The first seal groove is offered on the first flange disk, in the first seal groove Provided with the first sealing ring, the first sealing ring one side is inconsistent with the first seal groove, and the first sealing ring another side offsets with suction hose Touch.

Pass through above-mentioned technical proposal, after being fastenedly connected between first flange disk and water pump, first flange disk and water pump are mutual Contradict, the first sealing ring is pressed in the first seal groove by first flange disk and water pump, and the first sealing ring is pressurized and deformed upon, and fills out The concavo-convex gap of first flange disk and the inconsistent face out-of-flatness of water pump is filled, it is close between first flange disk and water pump so as to be lifted Sealing property, filter are less likely to occur gas leak phenomenon in this place, therefore can improve the efficiency of drawing water of water pump.

The utility model is further arranged to：The second seal groove is offered on 3rd ring flange, in the second seal groove Provided with the second sealing ring, the second sealing ring one side, end of second sealing ring another side and water sucking mouth inconsistent with the second seal groove Face is inconsistent.

Pass through above-mentioned technical proposal, after being fastenedly connected between the 3rd ring flange and suction hose, the 3rd ring flange and suction hose Mutually contradict, the second sealing ring is pressed in the second seal groove by the 3rd ring flange and water pump, and the second sealing ring, which is pressurized, occurs shape Become, the 3rd ring flange of filling and the concavo-convex gap of the inconsistent face out-of-flatness of suction hose, so as to lift the 3rd ring flange and water suction Sealing property between pipe, filter are less likely to occur gas leak phenomenon in this place, therefore can improve the efficiency of drawing water of water pump.

In summary, the utility model has the advantages that：

1st, filter assemblies are located in chimney filter, and chimney filter one end is connected with suction hose, and the other end is connected with water pump, and water passes through After filter assemblies in chimney filter, sandy soil are filtered out by filter assemblies, reduce sandy soil and enter water pump with water；

2nd, filtered out when the larger sandy soil of particle size pass through rough filtering component by rough filtering component, the less sandy soil of particle size By being fallen during fine filtering component by fine filtering component filters, so as to reduce that particle is larger and the less sandy soil of particle while be gathered in one Rise, reduce the blocked possibility of filter assemblies；

3rd, the first guidance set and chimney filter inwall are inconsistent, and during installation, coarse filtration filter screen slips into chimney filter with the first guidance set, Therefore, it is not easy in coarse filtration filter screen installation process because of force unbalance and run-off the straight, in the course of work, coarse filtration filter screen also will not Loosen or tilt because of the impulsive force by current, so as to improve the stability of coarse filtration filter screen in the course of the work；

4th, the second guidance set and chimney filter inwall are inconsistent, and during installation, fine filtering filter screen slips into chimney filter with the second guidance set, Therefore, it is not easy in fine filtering filter screen installation process because of force unbalance and run-off the straight, in the course of work, fine filtering filter screen also will not Loosen or tilt because of the impulsive force by current, so as to improve the stability of fine filtering filter screen in the course of the work.

Brief description of the drawings

Fig. 1 is the schematic diagram that water suction mouth structure is embodied in the present embodiment；

Fig. 2 is the schematic diagram that filter and pump attachment structure of water are embodied in the present embodiment；

Fig. 3 is the schematic diagram that filter and water sucking mouth mounting structure are embodied in the present embodiment；

Fig. 4 is the schematic diagram that the first ring structure is embodied in the present embodiment；

Fig. 5 is the schematic diagram that the second ring structure is embodied in the present embodiment；

Fig. 6 is that the present embodiment collects the schematic diagram for embodying filter assemblies and chimney filter mounting structure；

Fig. 7 is the schematic diagram that filter assemblies structure is embodied in the present embodiment；

Fig. 8 is that body embodies the schematic diagram for considering bore and the bore contrast that absorbs water in the present embodiment；

Fig. 9 is the schematic diagram that fine filtering modular construction is embodied in the present embodiment；

Figure 10 is the schematic diagram that rough filtering component structure is embodied in the present embodiment；

Figure 11 is the schematic diagram that the first positioning sleeve and second locating sleeve structure are embodied in the present embodiment；

Figure 12 is the schematic diagram that the first positioning sleeve and the second positioning sleeve and chimney filter mounting structure are embodied in the present embodiment.

In figure, 1, water pump；11st, water sucking mouth；12nd, discharge outlet；13rd, the 4th ring flange；2nd, base；3rd, motor；4th, shaft coupling； 5th, suction hose；51st, second flange disk；6th, filter；61st, chimney filter；62nd, first flange disk；621st, the first seal groove；622nd, One groove；63rd, the 3rd ring flange；631st, the second seal groove；632nd, the second groove；64th, filter assemblies；641st, rough filtering component； 6411st, coarse filtration filter screen；6412nd, the second retainer ring；64121st, the second through hole；6413rd, the second netting twine；6414th, the 3rd guide sleeve； 64141st, the second shoulder hole；6415th, the 4th guide sleeve；64151st, the second screw；642nd, fine filtering component；6421st, fine filtering filter screen； 6422nd, the first retainer ring；64221st, first through hole；6423rd, the first netting twine；6424th, the first guide sleeve；64241st, the first ladder Hole；6425th, the second guide sleeve；64251st, the first screw；643rd, the first positioning sleeve；6431st, the first flange；644th, the second positioning Set；6441st, the second flange；7th, the first sealing ring；8th, the second sealing ring.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

Embodiment：The water sucking mouth filter of a kind of water pump, as shown in figure 1, water pump 1 is connected with base 2, base 2 below One end is provided with motor 3, and the output shaft of motor 3 is connected with the rotating shaft of water pump 1 using shaft coupling 4, and motor 3 can drive water pump 1 to operate. Water pump 1 is provided with water sucking mouth 11 and discharge outlet 12 above, and when water pump 1 runs well, water enters water pump 1 from water sucking mouth 11, from draining Mouth 12 discharges water pumps 1.

As shown in Figures 2 and 3, suction hose 5 is provided with directly over water sucking mouth 11, suction hose 5 leads to water source（It is not drawn into figure）. Filter 6 is provided between suction hose 5 and water sucking mouth 11, filter 6 includes chimney filter 61, the one end of chimney filter 61 and the phase of suction hose 5 Connection, the other end are connected with water sucking mouth 11.Chimney filter 61 is connected with first flange disk 62, water sucking mouth close to one end of water sucking mouth 11 11 one sides corresponding with first flange disk 62 are connected with second flange disk 51, and first flange disk 62 passes through spiral shell with second flange disk 51 Bolt is connected, and chimney filter 61 is fixedly connected with water pump 1 by first flange disk 62 and second flange disk 51.

As shown in figure 3, chimney filter 61 is connected with the 3rd ring flange 63, the flange of suction hose 5 and the 3rd close to the one side of suction hose 5 One side is connected with the 4th ring flange 13 corresponding to disk 63, and the 3rd ring flange 63 and the 4th ring flange 13 are bolted fixation, Chimney filter 61 is fixedly connected with suction hose 5 by the 3rd ring flange 63 and the 4th ring flange 13.Suction hose 5 passes through chimney filter 61 and water pump 1（See Fig. 1）It is connected.

As shown in figure 4, first flange disk 62 offers the first seal groove 621 close to the one side of second flange disk 51, first The first sealing ring 7, after first flange disk 62 is fixedly connected with second flange disk 51, second flange disk 51 are provided with seal groove 621 Inconsistent with first flange disk 62, second flange disk 51 compresses the first sealing ring 7, and the first sealing ring 7 can improve first flange Sealing property between disk 62 and second flange disk 51.

As shown in figure 5, the 3rd ring flange 63 offers the second seal groove 631 close to the one side of the 4th ring flange 13, second The second sealing ring 8, after the 3rd ring flange 63 is fixedly connected with the 4th ring flange 13, the 4th ring flange 13 are provided with seal groove 631 Inconsistent with the 3rd ring flange 63, the 4th ring flange 13 compresses the second sealing ring 8, and the second sealing ring 8 can improve the 3rd flange Sealing property between the ring flange 13 of disk 63 and the 4th.

As shown in fig. 6, filter 6 also includes the filter assemblies 64 inside chimney filter 61, water enters by filter assemblies 64 Water pump 1（See Fig. 1）When, the debris such as sandy soil in water can be obstructed by filter assemblies 64 in the outside of water pump 1, reduced sandy soil and entered water pump In 1.

As shown in Figure 6 and Figure 7, filter assemblies 64 include rough filtering component 641 and fine filtering component 642, and rough filtering component 641 is located at One end of interior, close 3rd ring flange 63 of chimney filter 61, fine filtering component 642 are located at the one of interior, the close first flange disk 62 of chimney filter 61 End.Sandy soil in flow process, first pass through rough filtering component 641 with water into water pump 1, then by fine filtering component 642.Particle is larger Sandy soil preferentially filtered out by rough filtering component 641, the less sandy soil of particle are through rough filtering component 641 and then by fine filtering component 642 Filter out.The possibility of sandy soil blocking filter assemblies 64 can be reduced by multiple times of filtration, so that water enters water pump 1（See figure 1）Process it is more smooth.

As shown in Figure 6 and Figure 8, examine filter has certain resistance to water to filter assemblies 64, therefore, increases chimney filter 61 Internal diameter, the internal diameter of chimney filter 61 are more than the internal diameter of suction hose 5, depending on the degree that specific size is hindered current with filter assemblies 64.

As shown in figure 9, fine filtering component 642 includes fine filtering filter screen 6421, fine filtering filter screen 6421 includes the first fixation of annular Ring 6422, the first netting twine 6423 of intersection is connected among the first retainer ring 6422, and the grid spacing of the first netting twine 6423 is relative It is smaller, the less sandy soil of particle size can be filtered.

As shown in Fig. 6 and Fig. 9, fine filtering filter screen 6421 is provided with the first guide sleeve 6424 close to the one side of first flange disk 62, Another side is provided with the second guide sleeve 6425.First guide sleeve 6424 is distributed close to the one side of first flange disk 62 provided with circumference array The first shoulder hole 64241, it is corresponding with the first shoulder hole 64241 in the first retainer ring 6422 to offer first through hole 64221, Two guide sleeves 6425 are correspondingly provided with the first screw 64251 close to one side and the first through hole 64221 of the first retainer ring 6422, and first Guide sleeve 6424, the first retainer ring 6422 and the second guide sleeve 6425 are connected by screw fixation.

The outer cylinder of first guide sleeve 6424 and the second guide sleeve 6425 and the inner cylinder of chimney filter 61 are inconsistent, fine filtering component 642 with chimney filter 61 by the first guide sleeve 6424 and the grafting of the second guide sleeve 6425, the first guide sleeve 6424 and the second guide sleeve 6425 increase the thickness of fine filtering component 642, increase the length that fine filtering component 642 in axial direction contacts with chimney filter 61, make Fine filtering component 642 is being less likely to occur to tilt in the case of by water impact active force.

As shown in Figure 10, rough filtering component 641 includes coarse filtration filter screen 6411, and coarse filtration filter screen 6411 includes the second fixation of annular Ring 6412, the second netting twine 6413 of intersection is connected among the second retainer ring 6412, and the grid spacing of the second netting twine 6413 is relative It is larger, the larger sandy soil of particle size can be filtered.

As shown in figs. 6 and 10, coarse filtration filter screen 6411 is provided with the 3rd guide sleeve 6414 close to the one side of the 3rd ring flange 63, Another side is provided with the 4th guide sleeve 6415.3rd guide sleeve 6414 is distributed close to the one side of the 3rd ring flange 63 provided with circumference array The second shoulder hole 64141, it is corresponding with the first shoulder hole 64241 in the second retainer ring 6412 to offer the second through hole 64121, Four guide sleeves 6415 are correspondingly provided with the second screw 64151 close to one side and the second through hole 64121 of the second retainer ring 6412, and the 3rd Guide sleeve 6414, the second retainer ring 6412 and the 4th guide sleeve 6415 are connected by screw fixation.

The outer cylinder and the inner cylinder of chimney filter 61 of 3rd guide sleeve 6414 and the 4th guide sleeve 6415 are inconsistent, rough filtering component 641 with chimney filter 61 by the 3rd guide sleeve 6414 and the grafting of the 4th guide sleeve 6415, the 3rd guide sleeve 6414 and the 4th guide sleeve 6415 increase the thickness of rough filtering component 641, increase the length that rough filtering component 641 in axial direction contacts with chimney filter 61, make Rough filtering component 641 is being less likely to occur to tilt in the case of by water impact active force.

As is illustrated by figs. 11 and 12, the first positioning sleeve 643 is socketed with chimney filter 61, close to one end of first flange disk 62, First one end of positioning sleeve 643 away from chimney filter 61 is connected with the first flange 6431.First flange disk 62 is close to second flange disk 51 One side offer the first groove 622, after the first positioning sleeve 643 insertion chimney filter 61, the first 6431 sets of flange the first groove of insertion In 622.After first flange disk 62 is fixedly connected with second flange disk 51, the first flange 6431 is pressed on by second flange disk 51 In one groove 622.

The second positioning sleeve 644 is socketed with chimney filter 61, close to one end of the 3rd ring flange 63, the second positioning sleeve 644 is remote One end of chimney filter 61 is connected with the second flange 6441.It is recessed that 3rd ring flange 63 close to the one side of the 4th ring flange 13 offers second Groove 632, after the second positioning sleeve 644 inserts chimney filter 61, the second 6441 sets of flange is inserted in the second groove 632.3rd ring flange 63 After being fixedly connected with the 4th ring flange 13, the second flange 6441 is pressed in the second groove 632 by the 4th ring flange 13.

After first flange disk 62 is fixedly connected with second flange disk 51, the 3rd ring flange 63 and the 4th ring flange 13, the One positioning sleeve 643 is inconsistent close to one end of the first guide sleeve 6424 and the first guide sleeve 6424, and the second positioning sleeve 644 is close to One end of three guide sleeves 6414 and the 3rd guide sleeve 6414 are inconsistent, and filter assemblies 64 are stably fixed in chimney filter 61.

During installation, rough filtering component 641 and fine filtering component 642 are inserted into chimney filter 61, the first positioning is inserted at both ends respectively The positioning sleeve 644 of set 643 and second, filter assemblies 64 are positioned in chimney filter 61.Filter 6 is placed in the 4th ring flange 13 Between second flange disk 51, the 4th ring flange 13 and the 4th ring flange 13 are connected with bolt, by first flange disk 62 Fixed with the bolt connection of second flange disk 51.

After installing, start water pump 1, water enters filter 6 from suction hose 5, and water passes through the He of coarse filtration filter screen 6411 successively Fine filtering filter screen 6421, the larger sandy soil of particle size are filtered down by coarse filtration filter screen 6411, and the less sandy soil of particle size pass through Then coarse filtration filter screen 6411 is filtered out by fine filtering filter screen 6421.Finally, the water by filtering enters water pump 1, reduces sandy soil to water The influence that pump 1 operates.

When the sandy soil accumulated in filter assemblies 64 are excessive, when influenceing water and entering water pump 1, filter 6 can be unloaded, is extracted First positioning sleeve 643 and the second positioning sleeve 644, are then again ejected filter assemblies 64 with cylindrical tool, to filter assemblies 64 Clean or replace.

The course of work：Rough filtering component 641 and fine filtering component 642 are inserted into chimney filter 61, it is fixed that both ends are inserted in first respectively Position set 643 and the second positioning sleeve 644, filter assemblies 64 are positioned in chimney filter 61.Filter 6 is placed in the 4th ring flange Between 13 and second flange disk 51, the 4th ring flange 13 and the 3rd ring flange 63 are connected with bolt, by first flange disk 62 and the bolt connection of second flange disk 51 fix, complete filter 6 installation.

After installing, start water pump 1, water enters filter 6 from suction hose 5, and water passes through the He of coarse filtration filter screen 6411 successively Fine filtering filter screen 6421, the larger sandy soil of particle size are filtered down by coarse filtration filter screen 6411, and the less sandy soil of particle size pass through Then coarse filtration filter screen 6411 is filtered out by fine filtering filter screen 6421.Finally, the water by filtering enters water pump 1.

When the sandy soil accumulated in filter assemblies 64 are excessive, when influenceing water and entering water pump 1, filter 6 can be unloaded, is extracted First positioning sleeve 643 and the second positioning sleeve 644, are then again ejected filter assemblies 64 with cylindrical tool, to filter assemblies 64 Clean or replace.

This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but As long as all protected in right of the present utility model by Patent Law.

Claims (10)

1. a kind of water sucking mouth filter of water pump, it is characterized in that：Including by water sucking mouth（11）And suction hose（5）The filter being connected Pipe（61）With located at the chimney filter（61）The interior filter assemblies for being used to filter sandy soil（64）, filter assemblies（64）Including being respectively arranged on The chimney filter（61）First positioning sleeve at both ends（643）With the second positioning sleeve（644）, the first positioning sleeve（643）With the second positioning Set（644）Respectively with filter assemblies（64）Both ends are inconsistent with to filter assemblies（64）Positioned.

2. a kind of water sucking mouth filter of water pump according to claim 1, it is characterized in that：The filter assemblies（64）Bag Include away from water sucking mouth（11）Rough filtering component（641）With close water sucking mouth（11）Fine filtering component（642）, wherein, rough filtering component （641）The sandy soil larger for filtering particle size, fine filtering component（642）For filtering the less sandy soil of particle size.

3. a kind of water sucking mouth filter of water pump according to claim 2, it is characterized in that：The rough filtering component（641） Including coarse filtration filter screen（6411）With first guidance set affixed with it, the first guidance set and the chimney filter（61）Inwall offsets Touch to improve coarse filtration filter screen（6411）Stability.

4. a kind of water sucking mouth filter of water pump according to claim 3, it is characterized in that：The first guidance set bag Include and be respectively and fixedly connected with the coarse filtration filter screen（6411）First guide sleeve on two sides（6424）With the second guide sleeve（6425）.

5. a kind of water sucking mouth filter of water pump according to claim 2, it is characterized in that：The fine filtering component（642） Including fine filtering filter screen（6421）With second guidance set affixed with it, the second guidance set and the chimney filter（61）Inwall offsets Touch to improve fine filtering filter screen（6421）Stability.

6. a kind of water sucking mouth filter of water pump according to claim 5, it is characterized in that：The second guidance set bag Include and be respectively and fixedly connected with the fine filtering filter screen（6421）3rd guide sleeve on two sides（6414）With the 4th guide sleeve（6415）.

7. a kind of water sucking mouth filter of water pump according to claim 1, it is characterized in that：The chimney filter（61）One end is consolidated It is connected to first flange disk（62）, the chimney filter（61）Pass through first flange disk（62）With water sucking mouth（11）End face be fixedly connected.

8. a kind of water sucking mouth filter of water pump according to claim 1, it is characterized in that：The chimney filter（61）One end is consolidated It is connected to the 3rd ring flange（63）, the chimney filter（61）Pass through the 3rd ring flange（63）With suction hose（5）It is fixedly connected.

9. a kind of water sucking mouth filter of water pump according to claim 7, it is characterized in that：The first flange disk（62） On offer the first seal groove（621）, the first seal groove（621）Inside it is provided with the first sealing ring（7）, the first sealing ring（7）Simultaneously With the first seal groove（621）It is inconsistent, the first sealing ring（7）Another side and suction hose（5）It is inconsistent.

10. a kind of water sucking mouth filter of water pump according to claim 8, it is characterized in that：3rd ring flange （63）On offer the second seal groove（631）, the second seal groove（631）Inside it is provided with the second sealing ring（8）, the second sealing ring（8） Simultaneously with the second seal groove（631）It is inconsistent, the second sealing ring（8）Another side and water sucking mouth（11）End face it is inconsistent.