CN212248642U - Rainwater discarding and filtering device - Google Patents

Abstract

The utility model provides a rainwater abandons a class filter equipment, includes filter chamber and lower filter chamber, the left and right sides of going up the filter chamber is equipped with water inlet and delivery port respectively, the front end of delivery port is equipped with the filter screen, the bottom of lower filter chamber is equipped with the drain, the top of drain is equipped with the infiltration layer, be equipped with circular slot and washing lid on the diapire of going up the filter chamber, be equipped with on the circular slot to the guide bar that the infiltration layer direction extends, just be connected with the jam ball on the guide bar. The bottom wall of the upper filter cavity is provided with a detachable cleaning cover, when impurities in the lower filter cavity are accumulated and cannot be discharged from the sewage discharge outlet, an operator can open the cleaning cover to clean the lower filter cavity conveniently and quickly; the front end of delivery port is equipped with curved filter screen, durable to increased filter area, prevented that the rainwater from cutting the dirt and filtering the time too fast and piling up impurity.

Description

Rainwater discarding and filtering device

Technical Field

The utility model relates to a rainwater filter equipment, it is a rainwater abandons a class filter equipment specifically.

Background

Along with the rapid development of urbanization, the proportion of urban impervious areas is continuously increased, and runoff pollution caused by urban rainfall becomes one of the main sources of current urban water environment pollution. The original clean natural rainfall is affected by road, square, roof and even floating dust in the air, so that the rainfall is rich in a large amount of impurities and pollutants, and the early-stage water quality is poor. If the initial rainwater is directly discharged into the natural bearing water body, the water body is seriously polluted. If the rainwater is directly collected, the water quality of the rainwater does not influence the rainwater collection and storage, and the production cost of the subsequent treatment of the rainwater is also increased. Therefore, in the process of improving the quality and environment of rainwater, it is necessary to perform a flow discarding treatment on initial rainwater. The filter screen at the front end of the water outlet of the existing rainwater discarding and filtering device is generally designed in a plane, the filtering area is small, and the filter screen can deform due to the impact of water pressure after long-term use; the filtering cavity at the lower end of the rainwater discarding and filtering device is difficult to clean.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a rainwater abandons a class filter equipment, including last filter chamber and lower filter chamber, the left and right sides of going up the filter chamber is equipped with water inlet and delivery port respectively, the front end of delivery port is equipped with the filter screen, the bottom of lower filter chamber is equipped with the drain, the top of drain is equipped with the water seepage layer, be equipped with circular slot and washing lid on the diapire of going up the filter chamber, be equipped with on the circular slot to the guide bar that the water seepage layer direction extends, just be connected with the jam ball on the guide bar.

Further, the cleaning cover is of a detachable structure.

Furthermore, an overflow port is arranged on the side wall of the upper filtering cavity.

Further, the part of the water inlet in the upper filtering cavity is bent downwards, and the pipe orifice is aligned with the circular groove.

Further, the filter screen is designed in an arc shape.

Furthermore, the upper end and the lower end of the filter screen are respectively attached to the top and the bottom of the upper filter cavity.

Furthermore, fixed blocks are arranged at two ends of the filter screen, and the surfaces of the fixed blocks are arc-shaped.

Furthermore, the top of the guide rod is provided with a buckle assembly matched with the circular groove.

Further, buckle subassembly includes horizontal pole and card strip, the card strip sets up perpendicularly the lower extreme of horizontal pole.

Further, the radius of the cross rod is larger than that of the circular groove.

The utility model has the advantages that the detachable cleaning cover is arranged on the bottom wall of the upper filter cavity, when the impurities in the lower filter cavity are accumulated and can not be discharged from the sewage outlet, an operator can open the cleaning cover to clean the lower filter cavity, and the cleaning is convenient and rapid; the front end of the water outlet is provided with the arc-shaped filter screen, so that the rainwater sewage filter is durable, the filter area is increased, and impurities are prevented from being accumulated too quickly during rainwater sewage interception and filtration; the two ends of the filter screen are provided with fixing blocks, the surfaces of the fixing blocks are arc-shaped, the fixing blocks are used for further fixing the position of clamping the filter screen, the condition of loosening and shaking during filtering is prevented, and the part of the surfaces of the fixing blocks, which is in contact with the filter screen, adopts arc-shaped design, so that the filter screen is prevented from being extruded by the fixing blocks to deform under the impact of water pressure; the overflow port is arranged on the side wall of the upper filtering cavity, so that damage to the inner wall of the barrel body caused by excessive water pressure is avoided, the structural integrity of the sedimentation barrel is protected, and the service life is prolonged.

Drawings

Fig. 1 is a schematic structural view of the rainwater discarding and filtering device of the present invention.

Fig. 2 is a cross-sectional view a of the rainwater discarding and filtering device of the present invention.

Fig. 3 is a cross-sectional view B of the rainwater discarding and filtering device of the present invention.

Fig. 4 is a schematic view of a filter screen.

Fig. 5 is a schematic view of a support rod in the filter screen.

Fig. 6 is an enlarged view of the fixing block.

Fig. 7 is an enlarged view of a circular groove portion.

Fig. 8 is a schematic structural view of a guide bar top snap assembly.

The device comprises an upper filter chamber 1, a lower filter chamber 2, a water inlet 3, a water outlet 4, a water outlet 5, a sewage draining outlet 6, an overflow port 7, a filter screen 8, a support rod 9, a circular groove 10, a cleaning cover 11, a water seepage layer 12, a guide rod 13, a blocking ball 14, a cross rod 15, a clamping strip 16, a fixing block 17 and an access cover.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples.

As shown in fig. 1-3, a rainwater discarding and filtering device comprises an upper filtering chamber 1 and a lower filtering chamber 2, wherein the left side and the right side of the upper filtering chamber 1 are respectively provided with a water inlet 3 and a water outlet 4, the front end of the water outlet 4 is provided with a filter screen 7, the bottom of the lower filtering chamber 2 is provided with a sewage outlet 5, a water seepage layer 11 is arranged above the sewage outlet 5, the bottom wall of the upper filtering chamber 1 is provided with a circular groove 9 and a cleaning cover 10, the circular groove 9 is provided with a guide rod 12 extending towards the water seepage layer 11, and the guide rod 12 is connected with a blocking ball 13.

Preferably, the upper filter chamber 1 and the lower filter chamber 2 are integrally processed to form a complete cylinder body, and the structure is simple, stable and reliable.

It should be noted that the top of the upper filter chamber 1 is provided with the access cover 17, when the filter chamber needs to be overhauled or cleaned, an operator can open the access cover 17, and the structure is simple, convenient and fast.

It should be noted that the part of the water inlet 3 in the upper filter chamber 1 is bent downward, and the pipe orifice is aligned with the circular groove 9.

And the side wall of the upper filtering cavity 1 is also provided with an overflow port 6. It should be noted that the diameter of the sewage draining exit 5 is smaller than that of the overflow opening 6, the diameter of the overflow opening 6 is smaller than that of the water outlet 4, and the sewage draining exit 5 and the water outlet 4 are parallel to each other. In the embodiment, the diameter of the sewage outlet 5 is smaller than that of the water outlet 4, so that the retention time of rainwater in the rainwater sewage interception basket device is prolonged, and solid garbage is intercepted and precipitated; be equipped with gap 6, when filter screen 7 filterable impurity is too much, can appear the rivers are not unobstructed in the barrel, and the rainwater piles up serious condition, and operating personnel can open this moment gap 6, the accumulational rainwater in the discharge barrel avoids too big water pressure to cause destruction to the barrel inner wall, protects the structural integrity of sedimentation bucket, increase of service life.

Preferably, the cleaning cover 10 is of a detachable structure, when impurities in the lower filter cavity 2 are accumulated and cannot be discharged from the sewage outlet 5, an operator can open the cleaning cover 10 to clean the lower filter cavity 2, and the cleaning is convenient and fast.

As shown in fig. 4-5, the filter screen 7 is of an arc-shaped design. It should be noted that the upper end and the lower end of the filter screen 7 are respectively attached to the top and the bottom of the upper filter chamber 1, so that the situation that some of the filtered impurities are discharged from gaps at the upper end and the lower end of the filter screen 7 along with water flow is avoided, and the filtering effect is improved. Two support rods 8 are arranged between the upper end and the lower end of the filter screen 7, and the structure of the filter screen is more stable due to the support and fixation.

And two ends of the filter screen 7 are provided with fixing blocks 16. Preferably, the surface of the fixing block 16 is arc-shaped. The fixed block 16 is used for further fixed block the position of filter screen 7 appears becoming flexible the condition of rocking when preventing to filter, the surface of fixed block 16 with the part of filter screen 7 contact adopts the arc design, prevents under hydraulic impact filter screen 7 quilt the fixed block 16 extrusion leads to deformation. It should be noted that the fixing block 16 is fixed on the inner wall of the upper filter chamber 1.

As shown in fig. 8, a snap assembly adapted to the circular groove 9 is disposed at the top of the guide rod 12, the snap assembly includes a cross rod 14 and a snap strip 15, and the snap strip 15 is vertically disposed at the lower end of the cross rod 14.

Preferably, in the present embodiment, the cleaning cover 10 is designed to be circular, the circular groove 9 is disposed at the center of the cleaning cover 10, the radius of the cross rod 14 is greater than the radius of the circular groove 9, and the position of the guide rod 12 is fixed by the clamping strip 15 being clamped on the wall of the circular groove 9. The operator opens the cleaning cap 10 to clean the lower filter chamber 2 and simultaneously cleans the guide rod 12 and the clogging ball 13.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. It should be understood that the above description is only exemplary of the present invention and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. The utility model provides a rainwater abandons a class filter equipment, includes filter chamber and lower filter chamber, the left and right sides of going up the filter chamber is equipped with water inlet and delivery port respectively, the front end of delivery port is equipped with the filter screen, the bottom of lower filter chamber is equipped with the drain, the top of drain is equipped with the infiltration layer, a serial communication port, be equipped with circular slot and washing lid on the diapire of going up the filter chamber, be equipped with on the circular slot to the guide bar that the infiltration layer direction extends, just be connected with the jam ball on the guide bar.

2. The rainwater discarding and filtering device according to claim 1, wherein said cleaning cover is a detachable structure.

3. A rainwater drainage filter unit according to claim 1 wherein said upper filter chamber is further provided with weirs in the side walls thereof.

4. The rainwater discarding and filtering device according to claim 1, wherein the portion of said water inlet inside said upper filtering chamber is bent downward, and the pipe opening is aligned with said circular groove.

5. The rainwater flow-discarding and filtering device according to claim 1, wherein said filtering net is arc-shaped.

6. The rainwater flow-discarding and filtering device according to claim 1, wherein the upper and lower ends of said filtering net are respectively attached to the top and bottom of said upper filtering chamber.

7. The rainwater discarding and filtering device according to claim 1, wherein fixing blocks are provided at both ends of the filtering net, and the surfaces of the fixing blocks are arc-shaped.

8. The rainwater discarding and filtering device according to claim 1, wherein a snap-fit assembly is disposed at the top of the guiding rod and is adapted to the circular groove.

9. The rainwater discarding and filtering device according to claim 8, wherein said fastening assembly comprises a cross bar and a fastening strip, and said fastening strip is vertically disposed at a lower end of said cross bar.

10. The rainwater drainage filter device according to claim 9, wherein the radius of the cross bar is larger than that of the circular groove.

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