CN219579989U - Water supply and drainage filtering device for building engineering - Google Patents

Abstract

The utility model discloses a water supply and drainage filtering device for constructional engineering, which comprises an upper filtering box and a lower filtering box, wherein the upper filtering box and the lower filtering box are detachably connected through a butt joint structure, a water inlet pipe butt joint port is arranged on the upper filtering box, an upper filtering barrel is arranged in the upper filtering box, a water drain pipe butt joint port is arranged on the lower filtering box, and a lower filtering barrel is arranged in the lower filtering box; the water flow flows into the upper filter tank through the water inlet pipe, is filtered for the first time through the upper filter tank in the upper filter tank, flows into the lower filter tank after being filtered, is filtered for the second time through the lower filter tank, and is finally discharged through the drain pipe; the device solves the cleaning problem of the filtering device, through the detachable structural design, the filtering device is detached and cleaned after being used for a period of time, and the device is fast to detach and install, so that the filtering efficiency is improved, and the water quality is also improved.

Description

Water supply and drainage filtering device for building engineering

Technical Field

The utility model relates to the technical field of constructional engineering filtering devices, in particular to a constructional engineering water supply and drainage filtering device.

Background

The building engineering refers to engineering entities formed by building various house buildings and auxiliary facilities thereof and installing and moving lines, pipelines and equipment matched with the building buildings. The installation of the lines, the pipelines and the equipment refers to the installation activities of the lines, the pipelines and the equipment, such as electricity, water supply and drainage, heating and ventilation, communication, intellectualization, elevators and the like, which are matched with the house building and the auxiliary facilities thereof. The building water supply and drainage mainly provides clean domestic water for users through pipelines, normal running water can reach normal use standards through treatment of a water plant, however, the running water plant is used for conveying water to users through various conveying pipelines, a large amount of impurities can be accumulated in the pipelines due to the fact that the pipelines are difficult to clean and the pipelines are aged and the like, and then certain impurities and harmful substances are doped in the water after the running water is conveyed to the users, so that the quality of the water is greatly reduced.

Therefore, the filtering device is installed in advance in the construction stage in the current water supply and drainage pipeline, however, the traditional filtering device generally adopts a filter screen or a filter screen, impurities contained in water are easy to block the filtering device after long-term use, a large amount of dirt and germs are adhered to the filtering device, a large amount of particles are easy to accumulate to form a filter cake, the filtering efficiency is reduced, and the normal water flow is influenced. Traditional filter equipment simple structure, function singleness are inconvenient to dismantle the clearance, lead to accumulating and can block up completely after too much, seriously influence normal water supply and drainage.

Disclosure of Invention

The utility model aims to provide a water supply and drainage filtering device for constructional engineering, which solves the cleaning problem of the filtering device, and through the detachable structural design, the water supply and drainage filtering device is detached and cleaned after a period of use, is quick to detach and install, improves the filtering efficiency and also improves the water quality.

The utility model adopts the technical scheme that:

the water supply and drainage filtering device for the building engineering comprises an upper filtering box and a lower filtering box, wherein the upper filtering box and the lower filtering box are detachably connected through a butt joint structure, a water inlet pipe butt joint port is arranged on the upper filtering box, an upper filtering barrel is arranged in the upper filtering box, a water drain pipe butt joint port is arranged on the lower filtering box, and a lower filtering barrel is arranged in the lower filtering box; the water flow flows into the upper filter tank through the water inlet pipe, is filtered for the first time through the upper filter tank in the upper filter tank, flows into the lower filter tank after being filtered, is filtered for the second time through the lower filter tank, and is finally discharged through the drain pipe.

The upper filter box comprises an upper water through box body and an internal rotation filter body, the upper water through box body adopts a water through pipe which is communicated up and down, a water inlet butt joint pipe which is communicated is arranged on the pipe body of the water through pipe, the water inlet butt joint pipe is in threaded connection with a water inlet pipe, and a supporting ring is fixedly arranged at the middle part of the inner wall of the upper water through box body; the internal rotation filter body include top cap, elastic connection mechanism, go up filter vat and spacing butt joint mechanism, go up top cap and go up the peripheral spiro union of the upper end of logical water tank body, the lower extreme of top cap is fixed and is equipped with elastic connection mechanism, the filter vat is gone up to elastic connection mechanism's lower extreme fixed, the bottom central point of last filter vat puts and upwards caves in and forms spacing pouring tube, is equipped with spacing butt joint mechanism in the spacing pouring tube, spacing butt joint mechanism butt joints the lower filter vat.

The upper top cover comprises a sealing cover and a mounting edge, the periphery of the mounting edge extends downwards, and the inner periphery of the mounting edge is in threaded connection with the periphery of the upper end of the upper water through tank body; the elastic connecting mechanism comprises at least 2 fixed pipes, the top end of each fixed pipe is fixed with the lower end face of the sealing cover, the lower end port of each fixed pipe is opened, a first compression spring is arranged in each fixed pipe, the upper end of the first compression spring is in butt joint with the inner top wall of the fixed pipe, the lower end of the first compression spring is fixedly connected with the upper end of a compression rod, the lower end of the compression rod is fixed on the upper end face of the annular hanging plate, and the annular hanging plate is borne by the supporting ring.

The upper filter vat is barrel-shaped with an opening at the upper end, the upper filter vat is clamped and arranged at the inner periphery of the bearing ring, and the upper edge of the upper filter vat is fixed with the lower end face of the annular hanging plate.

The limiting butt joint mechanism comprises a second compression spring and a positioning sliding block, wherein the upper end of the second compression spring is fixed with the inner top wall of the limiting inverted pipe, the lower end of the second compression spring is fixed with the upper end face of the positioning sliding block, the center position of the lower end face of the positioning sliding block is recessed upwards to form a hemispherical limiting hole, hanging lugs are arranged on the left side and the right side of the positioning sliding block, and a vertical sliding groove corresponding to the hanging lugs is arranged on the inner wall of the limiting inverted pipe.

The upper end face of the supporting ring is provided with a circle of raised positioning ring, and the lower end face of the annular hanging plate is provided with a positioning groove corresponding to the positioning ring.

The lower filter tank comprises a lower water through tank body, a lower filter vat and a lifting butt joint mechanism, wherein the lower water through tank body adopts a guide pipe with the upper end communicated, the pipe diameter of the guide pipe is consistent with that of the upper water through tank body, an outer fixed ring is arranged on the outer side wall of the lower water through tank body, a circle of positioning ring which is sunken upwards is arranged on the lower end surface of the outer fixed ring, the upper water through tank body and the lower water through tank body are detachably connected through the butt joint structure, a drainage butt joint pipe communicated with each other is arranged on the pipe body of the guide pipe, and the drainage butt joint pipe is in threaded connection with a drainage pipe; the upper fixing frame of the inner wall of the lower through water tank body is provided with a bearing table, the upper end surface of the bearing table is an inwards inclined chamfer surface, and the upper end surface of the bearing table is provided with a sealing ring; the lower filter vat is erected on the bearing table, and the upper end of the lower filter vat is connected with the lifting butt joint mechanism in a threaded manner.

The butt joint structure comprises a butt joint barrel, the lower edge of the butt joint barrel inwards extends to form a mounting ring, the upper end face of the mounting ring is provided with a circle of positioning hoop, the positioning hoop is correspondingly matched with the positioning ring, the upper end part of the inner wall of the butt joint barrel is provided with a mounting sleeve, the inner side of the mounting sleeve is provided with threads, and the mounting sleeve is in threaded connection with the threads of the lower end part of the outer wall of the upper water tank body.

The lower filter vat include upper end open-ended lower filter vat body and lower filter vat body go up border fixed connection's ring frame, the ring frame becomes the loudspeaker form of inversion, the lateral wall of ring frame and the up end laminating butt joint of bearing platform.

The lifting butt joint mechanism comprises a filtering cover and a lifting pressing column, the filtering cover covers the upper end of the lower filtering barrel, the lifting pressing column is fixed at the central position of the upper end face of the filtering cover, one end of a dumbbell rotating body is embedded into the top end of the lifting pressing column, and the other end of the dumbbell rotating body faces upwards to be in butt joint with a hemispherical limiting hole which is formed in the lower end face of the positioning sliding block.

The utility model has the beneficial effects that the upper filter box and the lower filter box are installed and disassembled by utilizing the butt joint structure, the installation and disassembly processes can be operated by screwing the butt joint barrel, the operation is simple and convenient, water flow is introduced into the butt joint opening by the water inlet pipe of the upper filter box, after the water flow is filtered by the upper filter barrel, the water flows into the lower filter barrel for secondary filtration treatment by the filter cover, and finally purified water after the secondary filtration is discharged by the drain pipe. After a period of use, need clear up last rose box and lower rose box, utilize the handle to screw on the top cap for go up the top cap and break away from with last logical water tank, upwards lift again, can put forth the logical water tank with whole internal rotation filter body. At this time, the upper filter vat can be cleaned. Then, hold again and carry and draw the pressure post and mention lower filter vat, afterwards, through twisting and carry and draw the pressure post again with filter cover and ring frame separation for the upper end of lower filter vat body is opened, can clear up lower filter vat body.

The device utilizes fixed pipe and depression bar to take annular hanger plate and last filter vat out and go up logical water tank body, and the person of facilitating the use pours out and clears up impurity in the filter vat, rotates the butt joint pipe and makes the butt joint pipe break away from logical water tank body, and logical water tank body breaks away from logical water tank body down, grasps and draws the pressure post, can be light take off annular frame and lower filter vat and clear up.

Further, through the inside central authorities of lower water tank body of bearing platform with lower filter vat and link, utilize to take over the water tank body of will leading to down with last water tank body coupling, apply elasticity through first compression spring to the depression bar for the depression bar is with annular hanger plate pressure at the top of bearing ring, and the second compression spring is to carrying and drawing the compression column and apply elasticity simultaneously, guarantees that the link laminating bearing platform, and the installation is swift sealed good.

Further, the inside top fixedly connected with second compression spring and the location slider of spacing fall pipe, vertical spout has all been seted up to the inside left and right sides of spacing fall pipe, the equal fixedly connected with of the left and right sides of location slider with vertical spout assorted hangers, utilize hangers and vertical spout to make the kicking block keep vertical linear movement.

Further, the center of the lower end surface of the positioning slide block is recessed upwards to form a hemispherical limiting hole, the hemispherical limiting hole is attached to the upper end sphere of the dumbbell body, a spherical clamping groove is formed in the top end of the lifting pressing column, and the lower end sphere of the dumbbell body is matched with the clamping groove.

The dumbbell body is utilized to be movably connected with the positioning sliding block and the lifting pressing column, so that the upper filter box can not influence the lower filter box when rotating.

Further, the inboard fixedly connected with bearing platform of the logical water tank down, the top of bearing platform is to inboard slope and the top is fixed with the rubber circle, and the ring frame is located the top of bearing platform and the ring frame equals with bearing platform gradient. Utilize the rubber circle to make the ring frame seal better when compressing tightly the bearing platform to can not rotate at will, bearing platform and the ring frame of slope make the laminating bearing platform that the ring frame can be quick.

Further, the top fixedly connected with annular bellied holding ring of this device, the constant head tank with holding ring assorted is seted up to the bottom of annular hanger plate, utilizes holding ring and constant head tank to improve the leakproofness between annular hanger plate and the holding ring to during the installation, can look for the mounted position fast, in order to avoid deviating.

Further, the upper filter vat and the lower filter vat are formed by injection molding of a filter plate, the filter plate is provided with filter holes, and the filter hole diameter of the upper filter vat is larger than that of the lower filter vat.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure A in FIG. 1 according to the present utility model;

FIG. 3 is a schematic view of the structure of the upper filter box of the present utility model;

FIG. 4 is a schematic view of the structure of the lower filter box according to the present utility model;

fig. 5 is a schematic structural view of a docking structure according to the present utility model.

Detailed Description

As shown in fig. 1, the present utility model includes an upper filter tank and a lower filter tank detachably connected through a docking structure 8, and mounted or dismounted through the docking structure 8, so that the upper filter tank and the lower filter tank can be separated and then cleaned. The upper filter tank is provided with a water inlet pipe 1 opposite port for being communicated with the water inlet pipe 1, an upper filter tank 43 is arranged in the upper filter tank, and the upper filter tank 43 carries out first filtering treatment on the inflowing water body. The lower filter tank is provided with a drain pipe 2 pair interface for being communicated with the drain pipe 2, the lower filter tank is internally provided with a lower filter vat 6, the lower filter vat 6 carries out secondary filtration treatment on the water body filtered by the upper filter vat 43, and further purification is carried out, so that the water body is cleaner, and the quality of the water body is improved. The water flow flows into the upper filter tank through the water inlet pipe 1, is filtered for the first time through the upper filter tank 43 in the upper filter tank, flows into the lower filter tank after being filtered, is filtered for the second time through the lower filter tank 6, and is finally discharged through the drain pipe 2.

As shown in fig. 3, the upper filter box comprises an upper water through box body 3 and an internal rotation filter body 4, the upper water through box body 3 adopts a water through pipe which is communicated up and down, a water inlet butt joint pipe 31 which is communicated is arranged on the pipe body of the water through pipe, the water inlet butt joint pipe 31 is in threaded connection with the water inlet pipe 1, a support ring 32 is fixedly arranged in the middle part of the inner wall of the upper water through box body 3, and the support ring 32 is used for supporting and positioning the internal rotation filter body 4. The internal rotation filter body 4 include top cap 41, elastic connection mechanism, go up filter vat 43 and spacing interfacing mechanism, the top of top cap 41 is equipped with handle 42, go up top cap 41 and go up the peripheral spiro union of upper end of logical water tank body 3, be detachable connection between internal rotation filter body 4 and the logical water tank body 3 promptly, the lower extreme of top cap 41 is fixed and is equipped with elastic connection mechanism, filter vat 43 is fixed to elastic connection mechanism's lower extreme, the bottom central point of last filter vat 43 puts and upwards caves in and forms spacing down tube 48, be equipped with spacing interfacing mechanism in the spacing down tube 48, spacing interfacing mechanism is to the lower filter tank. The elastic connecting mechanism is used for protecting the gravity sense generated by gravity when the internal rotation filter body 4 and the upper water through tank body 3 are separated, and is used for relieving the pressure generated when the internal rotation filter body 4 and the upper water through tank body 3 are in threaded connection.

The upper top cover 41 comprises a sealing cover and a mounting edge, wherein the periphery of the mounting edge extends downwards, and the inner periphery of the mounting edge is in threaded connection with the periphery of the upper end of the upper water through tank body 3; the elastic connection mechanism comprises at least 2 fixing pipes 44, typically three or four fixing pipes 44 are adopted, the top end of each fixing pipe 44 is fixed with the lower end face of the sealing cover, the lower end port of each fixing pipe 44 is open, a first compression spring 45 is arranged in each fixing pipe 44, the upper end of the first compression spring 45 is abutted to the inner top wall of the fixing pipe 44, the lower end of the first compression spring 45 is fixedly connected with the upper end of a compression rod 46, the lower end of the compression rod 46 is fixed on the upper end face of an annular hanging plate 47, and the annular hanging plate 47 is borne by the bearing ring 32.

The upper filter vat 43 is barrel-shaped with an opening at the upper end, the upper filter vat 43 is clamped on the inner periphery of the supporting ring 32, the inner periphery of the supporting ring 32 limits the upper filter vat 43, the upper edge of the upper filter vat 43 is fixed with the lower end face of the annular hanging plate 47, and the upper filter vat 43 is connected with the upper top cover 41 through the annular hanging plate 47 as a supporting plate with a bearing middle. And a circle of raised positioning ring 321 is arranged on the upper end surface of the supporting ring 32, and a positioning groove corresponding to the positioning ring 321 is arranged on the lower end surface of the annular hanging plate 47. The inner rotary filter body 4 is positioned and slid-assisted when it is screwed down together with the upper cap 41. The positioning ring 321 and the positioning groove enhance the sealing and positioning effect between the carrier ring 32 and the annular hanger plate 47.

As shown in fig. 2, the spacing docking mechanism includes a second compression spring 49 and a positioning slider 410, wherein the upper end of the second compression spring 49 is fixed to the inner top wall of the spacing pouring tube 48, the lower end of the second compression spring 49 is fixed to the upper end surface of the positioning slider 410, the center position of the lower end surface of the positioning slider 410 is recessed upwards to form a hemispherical spacing hole, the hemispherical spacing hole is used for matching the dumbbell rotator 73, and the spherical rotator structure is adopted to facilitate rotation. The left and right sides of the positioning slider 410 are provided with hanging lugs 411, and the inner wall of the limiting pouring tube 48 is provided with vertical sliding grooves corresponding to the hanging lugs 411. The positioning slider 410 can slide up and down in the stretched or compressed state of the second compression spring 49 with the tightness degree of the abutting joint.

As shown in fig. 4, the lower filter tank comprises a lower water through tank body 5, a lower filter vat 6 and a lifting butt joint mechanism 7, the lower water through tank body 5 adopts a flow guide pipe with the upper end being communicated, the pipe diameter of the flow guide pipe is consistent with that of the upper water through tank body 3, an outer fixing ring 51 is arranged on the outer side wall of the lower water through tank body 5, a circle of positioning ring which is sunken upwards is arranged on the lower end surface of the outer fixing ring 51, the upper water through tank body 3 and the lower water through tank body 5 are detachably connected through a butt joint structure 8, a communicated drainage butt joint pipe is arranged on the pipe body of the flow guide pipe, and the drainage butt joint pipe is in threaded joint with a drainage pipe 2; the upper part of the inner wall of the lower through water tank body 5 is fixed with a bearing table 52, the upper end surface of the bearing table 52 is an inwardly inclined chamfer, and the upper end surface of the bearing table 52 is provided with a sealing ring 53; the lower filter vat 6 is arranged on the bearing table 52, and the upper end of the lower filter vat 6 is connected with the lifting and butting mechanism 7 in a threaded manner.

As shown in fig. 5, the docking structure 8 includes a docking cylinder 81, a lower edge of the docking cylinder 81 extends inward to form a mounting ring, a ring of positioning hoop 82 is arranged on an upper end surface of the mounting ring, the positioning hoop 82 is correspondingly matched with the positioning ring, a mounting sleeve 83 is arranged at an upper end part of an inner wall of the docking cylinder 81, threads are arranged on an inner side of the mounting sleeve 83, and the mounting sleeve is in threaded connection with threads of a lower end part of an outer wall of the upper water tank 3.

The lower filter vat 6 include upper end open-ended lower filter vat body 61 and lower filter vat body 61 go up border fixed connection's ring frame 62, ring frame 62 becomes the loudspeaker form of inversion, the lateral wall of ring frame 62 and the up end laminating butt joint of bearing platform 52, owing to the setting of sealing washer 53, can make the inseparabler of laminating between ring frame 62 and the bearing platform 52 to make rivers all enter into lower filter vat body 61 through filtering cap 71 in, carry out the secondary filtration.

The lifting butt-joint mechanism 7 comprises a filtering cover 71 and a lifting press column 72, wherein the filtering cover 71 adopts a filtering sieve plate, water flows enter the lower filtering barrel body 61 through the filtering sieve plate, the filtering cover 71 covers the upper end of the lower filtering barrel 6, the lifting press column 72 is fixed at the central position of the upper end face of the filtering cover 71, one end of a dumbbell rotating body 73 is embedded at the top end of the lifting press column 72, and the other end of the dumbbell rotating body 73 faces upwards and is in butt joint with a hemispherical limiting hole which is formed in the lower end face of the positioning sliding block 410 in a matched mode. The lifting and pressing column 72 is utilized to enable the lifting and pressing column 72 to press the ring frame 62 on the bearing table 52 when being subjected to upper pressure, so that tightness is ensured. The dumbbell rotator 73 structure is further utilized so that the inner rotary filter body 4 does not interfere with the installation of the lower filter vat 6 when rotated.

The upper filter vat 43 and the lower filter vat 61 are made of filter materials, the filter pore diameter of the upper filter vat 43 is larger than that of the lower filter vat 61, the upper filter vat 43 is used for filtering large particles or large impurities for the first time, the lower filter vat 61 is used for filtering for the second time, and small particles or small impurities are further filtered, so that the quality of water is guaranteed.

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

According to the utility model, the upper filter box and the lower filter box are in butt joint by utilizing the butt joint structure 8, and in the butt joint state, the inner wall of the mounting sleeve 83 in the butt joint barrel 81 is in threaded connection with the lower end of the upper water through tank body 3, and the positioning hoop 82 on the mounting ring is in tight butt joint with the positioning ring, so that the positioning hoop 82 is clamped and embedded in the positioning ring, and the purpose of tightening, buckling and fixing is achieved. When the upper filter tank and the lower filter tank need to be disassembled, the butting cylinder 81 is rotated, at this time, the positioning hoop 82 slides along the positioning ring, the positioning hoop 82 gradually breaks away from the positioning ring along with the descent of the butting cylinder 81, and finally, the positioning hoop 82 is completely separated from the positioning ring along with the further descent of the butting cylinder 81 until the inner wall of the mounting sleeve 83 breaks away from the lower end of the upper water tank 3. The detached butt-joint barrel 81 naturally falls, the lower end face of the mounting sleeve 83 finally falls on the upper end face of the outer fixing ring 51, and the whole barrel body of the butt-joint barrel 81 is supported by the outer fixing ring 51 and is placed freely. Through the steps, the upper filter box and the lower filter box can be installed or detached.

Firstly, water flows into the upper filter box through the water inlet pipe 1, is filtered for the first time through the upper filter drum 43 in the upper filter box, flows into the lower filter box after being filtered, is filtered for the second time through the lower filter drum 6, and is finally discharged through the water discharge pipe 2.

After a period of use, need clear up last rose box and lower rose box, hold the handle portion 42 and twist on top cap 41 soon, make top cap 41 upwards jackscrew gradually, whole internal rotation filter body 4 at this moment is lifted gradually, the pressure between location slider 410 and dumbbell rotator 73 reduces gradually and rotate between location slider 410 and the dumbbell rotator 73, because the elastic action of first compression spring 45, make elastic connection mechanism, go up rose barrel 43 and spacing interfacing mechanism and can not promote immediately, but naturally drop under self gravity effect, reduce the pressure between support ring 32 and the annular hanger plate 47 gradually, simultaneously, in the in-process of last top cap 41 is twisted gradually, rotate along the direction of screwing between constant head tank and the constant head ring 321 and the pressure reduces gradually, lower rose box at this moment is motionless, but, the pressure between loop frame 62 and the supporting bench 52 also can reduce along with the decurrent pressure of filter box above. The upper top cover 41 is continuously screwed until the upper top cover 41 is separated from the upper water through tank 3, and then the upper water through tank 3 is lifted upwards, so that the whole internal rotation filter body 4 can be lifted up. At this time, the upper filter vat 43 may be cleaned.

Then, the lower filter vat 6 is lifted by holding the lifting and pressing column 72 by hand, and then the filter cover 71 is separated from the ring frame 62 by screwing the lifting and pressing column 72, so that the upper end of the lower filter vat 61 is opened, and the lower filter vat 61 can be cleaned.

After cleaning, the lower filter vat 61 is screwed with the filter cover 71, then the lower filter vat 6 is clamped in the bearing table 52 and is erected on the bearing table 52, so that the lower filter vat 61 is suspended, then the inner rotary filter vat 4 is vertically put down from the top center of the upper water through tank 3 and put into the upper water through tank 3, the lifting and pressing column 72 extends into the limit pouring tube 48, the upper filter vat 43 and the limit docking mechanism naturally droop due to the action of gravity, the ball body at the upper end of the dumbbell body 73 is embedded into the hemispherical limit hole of the positioning slide block 410, and the positioning slide block 410 slides under the acting force between the second compression spring 49 and the dumbbell body 73 due to the vertical slide grooves of the corresponding hanging lugs 411, so that the positioning slide block 410 keeps vertically and linearly moving by the hanging lugs 411 and the vertical slide grooves.

Then, the upper top cover 41 is screwed again, so that the upper top cover 41 and the upper water through tank body 3 are fastened along with the screwing of the screw thread, the first compression spring 45 presses the compression rod 46, the compression rod 46 transmits acting force to the annular hanging plate 47, and the annular hanging plate 47 is tightly attached to the supporting ring 32; when the upper top cover 41 and the upper water through tank 3 are fastened to a certain extent, the compression rod 46 gradually moves upwards to compress the first compression spring 45, and at this time, the first compression spring 45 has a certain reverse elastic force on the compression rod 46, so that the acting force of the compression rod 46 is further downward, and along with the rotation of the inner rotary filter 4, the positioning ring 321 slides around the positioning groove, and the pressure between the positioning ring and the positioning ring is gradually increased until the upper top cover 41 is not rotated. Meanwhile, when the upper top cover 41 and the upper water through tank 3 rotate, the positioning slider 410 and the upper sphere of the dumbbell rotator 73, the lower sphere of the dumbbell rotator 73 and the upper end of the lifting pressing column 72 all rotate relatively until the top cover is not rotated.

In normal use, if cleaning is only required for the upper filter vat 43 and the lower filter vat 6, the upper filter vat 43 can be cleaned by screwing the upper top cover 41 and removing the inner rotary filter 4, and then the lower filter vat 6 can be cleaned. The docking structure 8 is not required to be operated so that the upper and lower filter boxes are separated. The workload is reduced, and the time efficiency of cleaning is greatly improved.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the technical solutions according to the embodiments of the present utility model.

Claims (10)

1. The utility model provides a building engineering water supply and drainage filter equipment which characterized in that: the filter comprises an upper filter box and a lower filter box, wherein the upper filter box and the lower filter box are detachably connected through a butt joint structure, a water inlet pipe butt joint port is arranged on the upper filter box, an upper filter barrel is arranged in the upper filter box, a water outlet pipe butt joint port is arranged on the lower filter box, and a lower filter barrel is arranged in the lower filter box; the water flow flows into the upper filter tank through the water inlet pipe, is filtered for the first time through the upper filter tank in the upper filter tank, flows into the lower filter tank after being filtered, is filtered for the second time through the lower filter tank, and is finally discharged through the drain pipe.

2. The construction water supply and drainage filtering device according to claim 1, wherein: the upper filter box comprises an upper water through box body and an internal rotation filter body, the upper water through box body adopts a water through pipe which is communicated up and down, a water inlet butt joint pipe which is communicated is arranged on the pipe body of the water through pipe, the water inlet butt joint pipe is in threaded connection with a water inlet pipe, and a supporting ring is fixedly arranged at the middle part of the inner wall of the upper water through box body; the internal rotation filter body include top cap, elastic connection mechanism, go up filter vat and spacing butt joint mechanism, go up top cap and go up the peripheral spiro union of the upper end of logical water tank body, the lower extreme of top cap is fixed and is equipped with elastic connection mechanism, the filter vat is gone up to elastic connection mechanism's lower extreme fixed, the bottom central point of last filter vat puts and upwards caves in and forms spacing pouring tube, is equipped with spacing butt joint mechanism in the spacing pouring tube, spacing butt joint mechanism butt joints the lower filter vat.

3. The construction water supply and drainage filtering device according to claim 2, wherein: the upper top cover comprises a sealing cover and a mounting edge, the periphery of the mounting edge extends downwards, and the inner periphery of the mounting edge is in threaded connection with the periphery of the upper end of the upper water through tank body; the elastic connecting mechanism comprises at least 2 fixed pipes, the top end of each fixed pipe is fixed with the lower end face of the sealing cover, the lower end port of each fixed pipe is opened, a first compression spring is arranged in each fixed pipe, the upper end of the first compression spring is in butt joint with the inner top wall of the fixed pipe, the lower end of the first compression spring is fixedly connected with the upper end of a compression rod, the lower end of the compression rod is fixed on the upper end face of the annular hanging plate, and the annular hanging plate is borne by the supporting ring.

4. A construction water supply and drainage filter device according to claim 3, wherein: the upper filter vat is barrel-shaped with an opening at the upper end, the upper filter vat is clamped and arranged at the inner periphery of the bearing ring, and the upper edge of the upper filter vat is fixed with the lower end face of the annular hanging plate.

5. The construction water supply and drainage filtering device according to claim 4, wherein: the limiting butt joint mechanism comprises a second compression spring and a positioning sliding block, wherein the upper end of the second compression spring is fixed with the inner top wall of the limiting inverted pipe, the lower end of the second compression spring is fixed with the upper end face of the positioning sliding block, the center position of the lower end face of the positioning sliding block is recessed upwards to form a hemispherical limiting hole, hanging lugs are arranged on the left side and the right side of the positioning sliding block, and a vertical sliding groove corresponding to the hanging lugs is arranged on the inner wall of the limiting inverted pipe.

6. The construction water supply and drainage filtering device according to claim 5, wherein: the upper end face of the supporting ring is provided with a circle of raised positioning ring, and the lower end face of the annular hanging plate is provided with a positioning groove corresponding to the positioning ring.

7. The construction water supply and drainage filtering device according to claim 6, wherein: the lower filter tank comprises a lower water through tank body, a lower filter vat and a lifting butt joint mechanism, wherein the lower water through tank body adopts a guide pipe with the upper end communicated, the pipe diameter of the guide pipe is consistent with that of the upper water through tank body, an outer fixed ring is arranged on the outer side wall of the lower water through tank body, a circle of positioning ring which is sunken upwards is arranged on the lower end surface of the outer fixed ring, the upper water through tank body and the lower water through tank body are detachably connected through the butt joint structure, a drainage butt joint pipe communicated with each other is arranged on the pipe body of the guide pipe, and the drainage butt joint pipe is in threaded connection with a drainage pipe; the upper fixing frame of the inner wall of the lower through water tank body is provided with a bearing table, the upper end surface of the bearing table is an inwards inclined chamfer surface, and the upper end surface of the bearing table is provided with a sealing ring; the lower filter vat is erected on the bearing table, and the upper end of the lower filter vat is connected with the lifting butt joint mechanism in a threaded manner.

8. The construction water supply and drainage filtering device according to claim 7, wherein: the butt joint structure comprises a butt joint barrel, the lower edge of the butt joint barrel inwards extends to form a mounting ring, the upper end face of the mounting ring is provided with a circle of positioning hoop, the positioning hoop is correspondingly matched with the positioning ring, the upper end part of the inner wall of the butt joint barrel is provided with a mounting sleeve, the inner side of the mounting sleeve is provided with threads, and the mounting sleeve is in threaded connection with the threads of the lower end part of the outer wall of the upper water tank body.

9. The construction water supply and drainage filtering device according to claim 8, wherein: the lower filter vat include upper end open-ended lower filter vat body and lower filter vat body go up border fixed connection's ring frame, the ring frame becomes the loudspeaker form of inversion, the lateral wall of ring frame and the up end laminating butt joint of bearing platform.

10. The construction water supply and drainage filtering device according to claim 9, wherein: the lifting butt joint mechanism comprises a filtering cover and a lifting pressing column, the filtering cover covers the upper end of the lower filtering barrel, the lifting pressing column is fixed at the central position of the upper end face of the filtering cover, one end of a dumbbell rotating body is embedded into the top end of the lifting pressing column, and the other end of the dumbbell rotating body faces upwards to be in butt joint with a hemispherical limiting hole which is formed in the lower end face of the positioning sliding block.