CN219050530U - Rainwater filtering device - Google Patents

Abstract

The utility model relates to a rainwater filtering device, and belongs to the technical field of filtering equipment. According to the utility model, the blades I, the spiral guide plates and the blades III are connected through the rotating shaft, after the water flow is pressurized through the water collecting hopper, the flow speed is increased, the blades I are impacted, after the water flow is filtered, the blades III are impacted after the diameter of the annular guide plates is changed, the rotating shaft is driven to rotate through the blades I and the blades III, the rotating shaft drives the spiral guide plates to rotate, so that rotating water flow is formed in the filter cylinder, the impact of the water flow on the wall of the filter cylinder is improved, the filtering effect of the filter cylinder is effectively improved, and meanwhile, when the filter cylinder passes through the spiral guide plates, the water flow also drives the spiral guide plates to rotate, and the spiral guide plates can rotate when the water flow is smaller. The spiral guide plate can scrape sundries attached to the inner wall of the filter cylinder in the rotation process, so that the sundries can flow downwards into the bottom of the filter cylinder, and the filtering capacity of the filter cylinder is guaranteed.

Description

Rainwater filtering device

Technical Field

The utility model belongs to the technical field of filtering equipment, and particularly relates to a rainwater filtering device.

Background

Along with the development of society, people pay more attention to rainwater collection and utilization in order to solve the problems of water shortage, environment and ecology, the rainwater collection brings a lot of life benefits, and the collected rainwater is used for washing clothes, car washing or watering and the like. The collection and utilization of rainwater can also reduce the rainwater runoff of urban streets, lighten the pressure of urban drainage, effectively reduce the rainwater and sewage converging simultaneously, lighten the pressure of sewage treatment. However, at present, the rainwater is collected in special environments such as a high slope, a rock slope, a desert gobi area or an area with poor air quality and serious sand dust, so that the problem of difficult collection and difficult treatment of secondary application exists, the rainwater is easy to mix with surrounding environment impurities through contact, the collected rainwater has impurities such as silt particles and the like, the application of precipitation is time-consuming and labor-consuming, the influence of secondary evaporation is also required to be considered, the problem that a common net filter needs to manually clean plugs later exists, and great inconvenience is caused.

The rainwater is filtered and is an important link of rainwater collection, and most of the rainwater filtration is filtering by a filter screen, and then is precipitation type filtration, so that the filtration efficiency is general, and the filtration mode investment is large, so that a proper filtration environment and space are required to be created, the rainwater can not be filtered by combining a real pipeline, and the practicability is not strong.

Disclosure of Invention

In order to solve the problems, the utility model provides a rainwater filtering device. The device has the advantages of small volume and convenient use, and can rapidly filter the collected rainwater.

In order to achieve the above purpose, the utility model is implemented according to the following technical scheme:

the rainwater filtering device comprises a barrel, a water collecting bucket, a filter cartridge and a water outlet pipe; the inside of the cylinder body is sequentially provided with a conical water collecting bucket, a filter cylinder, an annular guide plate and a water outlet pipe from top to bottom, wherein the annular guide plate is used for guiding water filtered by the filter cylinder into the water outlet pipe; a rotating shaft coaxial with the cylinder is rotatably arranged in the cylinder, and a blade I, a spiral guide plate, a bearing plate and a blade III are sequentially arranged on the rotating shaft; wherein the blade I is fixedly connected with the rotating shaft and is positioned at the bottom of the water collecting bucket; the spiral guide plate is fixedly arranged on the rotating shaft and positioned in the filter cartridge, and the outer edge of the spiral guide plate is tangential to the inner wall of the filter cartridge; the bearing plate is positioned at the bottom of the filter cartridge and is used for sealing the bottom of the filter cartridge; the blade III is fixedly arranged on the rotating shaft and positioned in the water outlet pipe; the rotation direction of the blade I after being impacted by water flow is the same as the torsion direction of the spiral guide plate, and the rotation direction of the blade I after being impacted by water flow is the same as the rotation direction of the blade III after being impacted by water flow.

Preferably, the water collecting hopper is covered with a filter screen.

Preferably, the inner wall of the water collecting bucket is provided with a diversion trench which is spirally distributed and has the same torsion direction as the rotation direction of the blade I.

Preferably, a gear positioned below the spiral guide plate is arranged on the rotating shaft, a planet wheel meshed with the gear is arranged on the periphery of the gear through a planet carrier, the planet carrier is connected with the bearing plate in a clamping mode through a connecting piece, an outer gear ring meshed with the planet carrier is arranged on the periphery of the planet wheel, and the outer gear ring is fixedly connected with the filter cartridge through a blade II.

Preferably, the bearing plate is rotationally connected with the rotating shaft, the bearing plate is in sliding connection with the cylinder body, a drain pipe is arranged on the bearing plate, the upper end of the drain pipe extends towards the inside of the filter cylinder, the lower end of the filter cylinder extends towards the outer side of the water outlet pipe, a drain outlet is formed in the upper end of the drain pipe, and the outer side wall of the drain pipe is tangent to the inner wall of the filter cylinder.

Preferably, a spring is arranged on the rotating shaft, the upper end of the spring is in contact with the bearing plate, and the lower end of the spring is fixed through a boss fixedly arranged on the rotating shaft.

Preferably, the middle part of the bearing plate is upwards convex.

The utility model has the beneficial effects that:

according to the utility model, the blades I, the spiral guide plates and the blades III are connected through the rotating shaft, after the water flow is pressurized through the water collecting hopper, the flow speed is increased, the blades I are impacted, after the water flow is filtered, the blades III are impacted after the diameter of the annular guide plates is changed, the rotating shaft is driven to rotate through the blades I and the blades III, the rotating shaft drives the spiral guide plates to rotate, so that rotating water flow is formed in the filter cylinder, the impact of the water flow on the wall of the filter cylinder is improved, the filtering effect of the filter cylinder is effectively improved, and meanwhile, when the filter cylinder passes through the spiral guide plates, the water flow also drives the spiral guide plates to rotate, and the spiral guide plates can rotate when the water flow is smaller. The spiral guide plate can scrape sundries attached to the inner wall of the filter cylinder in the rotation process, so that the sundries can flow downwards into the bottom of the filter cylinder, and the filtering capacity of the filter cylinder is guaranteed.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic cross-sectional view of the present utility model;

FIG. 2 is a schematic view of the sump mounting of the present utility model;

FIG. 3 is a schematic view of the mounting of components on a mounting shaft of the present utility model;

FIG. 4 is a schematic diagram of a planet wheel installation of the present utility model;

FIG. 5 is a schematic view of the connection of the carrier plate and the cylinder according to the present utility model;

FIG. 6 is a schematic view of the attachment of the present utility model;

in the figure, a 1-cylinder, a 2-water collecting bucket, a 3-filter cartridge, a 4-water outlet pipe, a 5-rotating shaft, a 6-blade I, a 7-spiral guide plate, an 8-bearing plate, a 9-blade III, a 10-filter screen, an 11-guide groove, a 12-gear, a 13-planet wheel, a 14-connecting piece, a 15-outer gear ring, a 16-blade II, a 17-drain pipe, a 18-drain outlet, a 19-spring and a 20-boss.

Detailed Description

In order to make the objects, technical solutions and advantageous effects of the present utility model more apparent, preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings, so as to facilitate understanding of the skilled person.

The rainwater filtering device comprises a barrel body 1, a water collecting bucket 2, a filter cartridge 3 and a water outlet pipe 4; the inside of the cylinder body 1 is sequentially provided with a conical water collecting bucket 2, a filter cylinder 3, an annular guide plate and a water outlet pipe 4 from top to bottom, wherein the water collecting bucket 2 is big in top and small in bottom, and the pressure and the flow velocity of water flow are effectively improved through the reduction of the inner diameter of a pipeline; the filter cartridge 3 is tubular, and has an open upper end and an open lower end, and is used for filtering out solid impurities in rainwater; the annular guide plate is in a hollow round table shape and is fixedly arranged in the cylinder body 1 and used for guiding water filtered by the filter cylinder 3 into the water outlet pipe 4, and meanwhile, the water outlet pressure and the flow rate are increased in a diameter-changing mode; the water outlet pipe 4 is fixedly arranged in the middle of the bottom end of the cylinder body 1 through a plurality of metal plates, and the upper end of the water outlet pipe is connected with an annular guide plate and is used for receiving the filtered clean water and guiding the filtered clean water out of the filtering device; a rotating shaft 5 coaxial with the cylinder body 1 is rotatably arranged on the cylinder body 1, and a blade I6, a spiral guide plate 7, a bearing plate 8 and a blade III 9 are sequentially arranged on the rotating shaft 5; the blades I6 are fixedly connected with the rotating shaft 5 and are positioned at the bottom of the water collecting bucket 2, the blades I6 are in a 1/4 arc shape and are uniformly arranged at intervals along the circumferential direction of the rotating shaft 5, and rainwater impacts the blades I6 after being pressurized by the water collecting bucket 2, so that the rotating shaft 5 is driven to rotate; spiral guide plate 7 fixed mounting is on axis of rotation 5, be located cartridge filter 3, and the outward flange is tangent with cartridge filter 3 inner wall, rivers get into cartridge filter 3 after blade I6, follow spiral guide plate 7 spiral downwardly flowing, promote axis of rotation 5 rotation, also provide partial power for the rotation of axis of rotation 5, spiral guide plate 7 is in the rotation in-process, scrape out the silt of adhesion on cartridge filter 3, then flow into the bottom of cartridge filter downwards under the impact of rivers, carry out effectual clearance to the upper half of cartridge filter, scrape out the debris of adhesion on cartridge filter 3 inner wall, thereby resume the filter effect of filter. Meanwhile, when the water flow is smaller, the water flow flows along the spiral guide plate 7, the flow distance of the water in the filter cartridge 3 is effectively prolonged by the spiral guide plate 7, so that the water can be fully contacted and filtered with the upper half part of the filter cartridge 3, and a rotary water flow rotating around the spiral guide plate 7 is formed, and the filter cartridge is impacted obliquely, so that the filtering efficiency is effectively accelerated; when the rivers are great, rivers are full of cartridge filter 3, and pivoted spiral guide plate 7 drives the rivers in the cartridge filter 3 and rotates, forms rotatory water column in cartridge filter 3 to reinforcing rivers are to cartridge filter 3 wall's impact, improve rainwater filtration ability. The bearing plate 8 is positioned at the bottom of the filter cartridge 3 and is used for closing the bottom of the filter cartridge 3; the blades III 9 are fixedly arranged on the rotating shaft 5 and positioned in the water outlet pipe 4, and when filtered rainwater enters the water outlet pipe 4, the water flow impacts the blades III 9 to generate power so as to drive the rotating shaft 5 to rotate; the rotation direction of the blade I6 after being impacted by water flow is the same as the rotation direction of the spiral guide plate 7, the rotation direction of the blade I6 after being impacted by water flow is the same as the rotation direction of the blade III 9 after being impacted by water flow, the rotation of the rotation shaft 5 is driven by the blade I6, the spiral guide plate 7 and the blade III 9 together, the rotation power of the rotation shaft 5 is effectively enhanced, and the rotation of the rotation shaft is uniformly driven under the state of small water flow or large water flow.

In the utility model, the water collecting bucket 2 is covered with the filter screen 10, the filter screen 10 adopts meshes with larger apertures, so that larger sundries are prevented from entering the cylinder body 1 to damage the filter cylinder 3, and the operation safety of the device is ensured.

In the utility model, the inner wall of the water collecting bucket 2 is provided with the diversion trench 11 which is spirally arranged and has the same torsion direction as the rotation direction of the blade I6, when the water quantity is smaller, the water flow moves to the bottom end along the diversion trench 11, a water flow which is inclined with the blade I6 is formed, so that the water flow obliquely impacts the blade I6, and compared with the water flow directly flowing in, the impact on the blade I6 is larger, and more power is provided for the rotation of the rotation shaft 5; when the rivers are great, form a rivers the same with blade I6 rotation direction in water catch bowl 2 through guiding gutter 11, effectively improve the rotatory atress of blade I6.

In the utility model, a gear 12 positioned below a spiral guide plate 7 is arranged on a rotating shaft 5, the gear 12 is fixedly connected with the rotating shaft, a planetary gear 13 meshed with the gear 12 is arranged on the periphery of the gear 12 through a planetary frame, the planetary frame is clamped with a bearing plate 8 through a connecting piece 14, the mounting position of the planetary frame on the rotating shaft 5 is in a stepped shaft shape, the planetary frame is rotatably mounted on a step, so that the position of the whole planetary frame is fixed, the connecting piece 14 is in a sheet shape and fixedly mounted on the lower side surface of the planetary frame and extends downwards, a sleeve is arranged in the middle of the bearing plate 8, and a clamping groove matched with the connecting piece 14 is arranged on the sleeve, so that a clamping effect is formed, the bearing plate 8 and the planetary frame can relatively move in the axial direction of the rotating shaft 5, and the planetary frame is simultaneously fixed, so that the rotation of the planetary frame is prevented. The planet wheel 13 periphery is equipped with the external tooth circle 15 with its meshing, external tooth circle 15 passes through blade II 16 and cartridge filter 3 fixed connection, and when axis of rotation 5 rotated, drives external tooth circle 15 through planetary gear 12 and rotates, and external tooth circle 15 passes through blade II 16 and drives cartridge filter 3 rotation, and rotatory cartridge filter 3 forms a relative rotation effect with rotatory rivers, effectively improves cartridge filter 3 to the filtration efficiency of rivers, simultaneously, through blade II 16 and planetary gear 12 system, rotates cartridge filter 3 and installs on axis of rotation 5. The bearing plate 8 and the rotation shaft 5 rotate to be connected, bearing plate 8 and barrel 1 sliding connection are equipped with blow off pipe 17 on the bearing plate 8, blow off pipe 17 upper end extends to cartridge filter 3 inside, cartridge filter 3 lower extreme extends to the outlet pipe 4 outside, blow off 18 has been seted up to blow off pipe 17 upper end, and blow off pipe 17 lateral wall is tangent with cartridge filter 3 inner wall, when cartridge filter 3 rotates, blow off pipe 17 will adhere to debris on cartridge filter 3 section of thick bamboo wall to outside being discharged the device along blow off pipe 17, simultaneously, partial rainwater is discharged along blow off pipe 17, erodees blow off pipe 17, when lubricated for blow off pipe 17, wash out blow off pipe 17 with the debris in the blow off pipe 17, effectively avoided blow off pipe 17 to block up the problem.

In the utility model, the spring 19 is arranged on the rotating shaft 5, the upper end of the spring 19 is contacted with the bearing plate 8, the lower end of the spring 19 is fixed through the boss 20 fixedly arranged on the rotating shaft 5, when the mesh of the filter cylinder 3 is blocked, the water pressure in the filter cylinder 3 is too high, the bearing plate 8 is pressed downwards by the water pressure, so that the bearing plate 8 is separated from the bottom of the filter cylinder 3, the water outlet of the filter cylinder 3 is increased, and the safety of the filter cylinder 3 is effectively protected.

In the utility model, the middle part of the bearing plate 8 is upwards convex, when the water flow is smaller, the inclined bearing plate 8 enables the water flow and sundries to flow to the wall of the filter cylinder 3, the rainwater is discharged after passing through the filter cylinder 3, and the sundries are scraped into the drain pipe 17 and then discharged out of the device.

The working process of the utility model comprises the following steps: the water flow enters the water collecting bucket 2 after preliminary filtration of the filter screen 10, forms rotary water flow under the action of the diversion trench 11, pressurizes the water flow to improve the flow speed of the water, and then impacts the blades I6, and the blades I6 drive the rotary shaft 5 to rotate; the water flow enters the filter cartridge 3 and flows along the spiral guide plate to form a rotating water flow to impact the inner wall of the filter cartridge 3, so that the filtering efficiency of the filter cartridge 3 is accelerated, and meanwhile, the spiral guide plate drives the rotating shaft to rotate; after passing through the spiral guide plate, the water flow impacts the blade II 6 to drive the blade II 16 to drive the filter cartridge 3 to reversely rotate so as to accelerate the filtration rate; in the rotation process of the rotating shaft 5, the outer gear is driven to reversely rotate through the planetary gear system, and the outer gear drives the filter cartridge 3 to rotate through the blades II. When the filter cartridge 3 rotates, the drain pipe 17 scrapes sundries adhered to the inner wall of the filter cartridge 3 along the inner wall of the filter cartridge and guides the sundries out, so that the filtering capability of the filter cartridge 3 is effectively recovered; when the filter effect of the filter cartridge 3 is rapidly reduced due to more impurities in water flow, the water pressure in the filter cartridge 3 is increased, the bearing plate 8 is driven downwards, the bearing plate 8 is separated from the bottom of the filter cartridge 3, the bottom of the filter cartridge 3 is opened, the impurities in the filter cartridge 3 are rapidly discharged, the safety of the filter cartridge 3 is effectively ensured, the impurities in the filter cartridge 3 are reduced after a period of time, and the bearing plate 8 is driven by the spring 19 to move upwards for resetting, so that the bottom of the filter cartridge 3 is closed again. The filtered water flows into the annular guide plate, is pressurized by the annular guide plate, then impacts the blade III again, drives the rotating shaft 5 to rotate through the blade III 9, and is finally discharged from the water outlet pipe.

Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the utility model, and that, although the utility model has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the utility model as defined by the appended claims; the size of the drawing is irrelevant to the specific real object, and the real object size can be changed arbitrarily.

Claims (7)

1. A rainwater filtration device, characterized in that: the rainwater filtering device comprises a barrel body (1), a water collecting bucket (2), a filter cartridge (3) and a water outlet pipe (4); the water-collecting tank is characterized in that a conical water-collecting bucket (2), a filter cylinder (3), an annular guide plate and a water outlet pipe (4) are sequentially arranged in the cylinder body (1) from top to bottom, and the annular guide plate is used for guiding water filtered by the filter cylinder (3) into the water outlet pipe (4); a rotating shaft (5) coaxial with the cylinder body (1) is rotatably arranged on the cylinder body (1), and a blade I (6), a spiral guide plate (7), a bearing plate (8) and a blade III (9) are sequentially arranged on the rotating shaft (5); wherein the blade I (6) is fixedly connected with the rotating shaft (5) and is positioned at the bottom of the water collecting bucket (2); the spiral guide plate (7) is fixedly arranged on the rotating shaft (5) and positioned in the filter cartridge (3), and the outer edge of the spiral guide plate is tangential to the inner wall of the filter cartridge (3); the bearing plate (8) is positioned at the bottom of the filter cartridge (3) and is used for sealing the bottom of the filter cartridge (3); the blade III (9) is fixedly arranged on the rotating shaft (5) and positioned in the water outlet pipe (4); the rotation direction of the blade I (6) after being impacted by water is the same as the torsion direction of the spiral guide plate (7), and the rotation direction of the blade I (6) and the rotation direction of the blade III (9) after being impacted by water are the same.

2. A stormwater filtration device as claimed in claim 1, wherein: the water collecting hopper (2) is covered with a filter screen (10).

3. A stormwater filtration device as claimed in claim 1, wherein: the inner wall of the water collecting bucket (2) is provided with a diversion trench (11) which is spirally distributed and has the same torsion direction as the rotation direction of the blade I (6).

4. A stormwater filtration device as claimed in claim 3, wherein: the rotary shaft (5) on be equipped with gear (12) that are located spiral guide plate (7) below, gear (12) periphery is equipped with planet wheel (13) with its meshing through the planet carrier, the planet carrier passes through connecting piece (14) and loading board (8) joint, planet wheel (13) periphery is equipped with outer ring gear (15) with its meshing, outer ring gear (15) pass through blade II (16) and cartridge filter (3) fixed connection.

5. A stormwater filtration device as claimed in claim 4, wherein: the utility model discloses a filter cartridge, including barrel (1), bearing plate (8), barrel (1), barrel (3), drain (18) have been seted up to bearing plate (8) and rotation axis (5) swivelling joint, are equipped with blow off pipe (17) on bearing plate (8), blow off pipe (17) upper end is to inside extension of cartridge filter (3), cartridge filter (3) lower extreme is to outlet pipe (4) outside extension, blow off pipe (17) upper end, and blow off pipe (17) lateral wall is tangent with cartridge filter (3) inner wall.

6. A stormwater filtration device as claimed in claim 5, wherein: the rotating shaft (5) is provided with a spring (19), the upper end of the spring (19) is contacted with the bearing plate (8), and the lower end of the spring is fixed through a boss (20) fixedly arranged on the rotating shaft (5).

7. A stormwater filtration device as claimed in claim 1, wherein: the middle part of the bearing plate (8) protrudes upwards.

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