An efficient anti-blocking device for a submersible sewage pump

Abstract

The present invention relates to the manufacturing and treatment technology fields of water supply and drainage engineering devices, and specifically relates to an efficient anti-blocking device for a submersible sewage pump, including: a stainless steel mesh cover, which is in a "C" shape, and mesh cover connection columns are fixedly arranged at the ends of both side walls of the stainless steel mesh cover; a flushing pipe, one end of which is connected to the water outlet pipe, and the water outlet pipe is communicated with the inside of the submersible sewage pump; a sewage storage tank, which is in a "C" shape, and the sewage storage tank is fixedly arranged on the outer side of the bottom of the stainless steel mesh cover; The beneficial effects are as follows: The stainless steel mesh cover is provided with guide rails and a chain hoist, and this device can be lifted out outside the sump, which is convenient for maintenance and cleaning. Moreover, a sewage storage tank is arranged at the vertical bottom of the stainless steel mesh cover, which is convenient for collecting and storing impurities at the bottom layer of the sump. A backwashing device is arranged, and the submersible sewage pump itself can be used to flush the stainless steel mesh cover from the inside to the outside, avoiding the influence of leaves, plastics, etc. adsorbed on the mesh cover for a long time on the water inlet of the submersible sewage pump.

Description

Technical Field

[0001] The present invention relates to the manufacturing and treatment technology fields of water supply and drainage engineering devices, and particularly to an efficient anti-blocking device for a submersible sewage pump. Background Art

[0002] A submersible sewage pump generally refers to a submersible sewage drainage pump, which is a submersible sewage pump and is particularly suitable for transporting liquids containing hard solids, fibrous substances, as well as extremely dirty, sticky, and slippery liquids;

[0003] In view of the use location and its own structure of the submersible sewage pump, it is very difficult to prevent pollution and blockage from the submersible sewage pump itself. The traditional method is to wind a plastic mesh bag at the water suction port to prevent blockage. This method has a poor anti-blocking effect, and the dredging work is difficult. There is a great risk of burning the pump during the operation of the submersible sewage pump, and garbage adheres to the pump body and impeller of the submersible sewage pump for a long time, directly affecting the service life of the submersible sewage pump. Summary of the Invention

[0004] The purpose of the present invention is to provide an efficient anti-blocking device for a submersible sewage pump to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the present invention provides the following technical solution: An efficient anti-blocking device for a submersible sewage pump, the efficient anti-blocking device for the submersible sewage pump includes:

[0006] A stainless steel mesh cover, the stainless steel mesh cover has a "C" - shaped structure, and both ends of the side walls on both sides of the stainless steel mesh cover are fixedly provided with mesh cover connecting columns;

[0007] A flushing pipe, one end of the flushing pipe is connected to the water outlet pipe, and the water outlet pipe is connected to the inside of the submersible sewage pump;

[0008] A sewage storage tank, the sewage storage tank has a "C" - shaped structure, and the sewage storage tank is fixedly arranged on the outer side of the bottom of the stainless steel mesh cover.

[0009] Preferably, the stainless steel mesh cover is placed on the upper surface of the bottom wall of the sump, the upper surface of the bottom wall of the sump is fixedly provided with a submersible sewage pump, the submersible sewage pump is located inside the stainless steel mesh cover, the flushing pipe is connected to the inside of the submersible sewage pump through the water outlet pipe, and an electric valve is fixedly arranged on the outer surface of the end of the flushing pipe close to the water outlet pipe.

[0010] Preferably, a sump side wall is arranged on one side of the submersible sewage pump, a sunken groove is opened on the side wall of the sump close to the stainless steel mesh cover, two groups of sunken grooves are opened, the distance between the two groups of sunken grooves matches the distance between the two side walls of the stainless steel mesh cover, and fixed guide rails are arranged inside both groups of sunken grooves.

[0011] Preferably, the cross-section of the fixed guide rail is in a "C" shape, the size of the fixed guide rail matches the internal size of the sinking groove, and a rubber pad is fixedly arranged inside the sinking groove, and the rubber pad is fixedly arranged between the inner wall of the sinking groove and the side wall of the fixed guide rail.

[0012] Preferably, a net cover connecting column is slidably clamped inside each of the two groups of fixed guide rails. The size of the net cover connecting column matches the internal size of the fixed guide rail. The stainless steel net cover is slidably arranged on one side of the side wall of the sump through the cooperation of the two groups of net cover connecting columns and the two groups of fixed guide rails. And a stainless steel net cover cover plate is fixedly arranged on the upper surface of the stainless steel net cover, and the size of the stainless steel net cover cover plate matches the size of the stainless steel net cover.

[0013] Preferably, a lifting lug is fixedly arranged on the upper end surface of the stainless steel net cover cover plate, and the lifting lug is fixedly connected to one end of the chain block. The stainless steel net cover can be lifted upward by the chain block under the cooperation of the stainless steel net cover cover plate and the lifting lug, and one end of the water outlet pipe far away from the submersible sewage pump passes through the stainless steel net cover cover plate and extends above the stainless steel net cover cover plate.

[0014] Preferably, first connecting plates are fixedly arranged on the outer surfaces of the bottom ends of the three side walls of the stainless steel net cover. The size of the first connecting plate matches the size of the side wall of the stainless steel net cover. The cross-section of the first connecting plate is in an "L" shape, and two fixing grooves are formed on the side wall of the first connecting plate close to the stainless steel net cover. The two fixing grooves are evenly and symmetrically distributed.

[0015] Preferably, the size of the sewage storage tank matches the size of the side wall of the stainless steel net cover. A second connecting plate is fixedly arranged at the central position of the side wall of the sewage storage tank close to the stainless steel net cover. The size of the second connecting plate matches the size of the first connecting plate. The cross-section of the second connecting plate is in an inverted "L" shape. The first connecting plate and the second connecting plate match each other. The sewage storage tank is connected to the stainless steel net cover through the cooperation of the first connecting plate and the second connecting plate. And a guide plate is fixedly connected to the upper end surface of the side wall of the sewage storage tank close to the stainless steel net cover. The guide plate is in a triangular shape, and the side wall of the guide plate is in contact with the side wall of the stainless steel net cover.

[0016] Preferably, two receiving grooves are formed on the side wall of the second connecting plate close to the sewage storage tank. The two receiving grooves respectively correspond to the two fixing grooves. And clamping blocks are inserted into the two receiving grooves. The size of the clamping block matches the internal size of the receiving groove. The end of the clamping block far away from the receiving groove matches the size of the fixing groove. And an inclined plane is formed on the lower end surface of the clamping block close to the fixing groove.

[0017] Preferably, a reset spring is arranged inside the storage groove. The reset spring is fixedly arranged between the inner wall of the storage groove and the side wall of the clamping block. The clamping block is elastically inserted into the storage groove through the reset spring. Two groups of limiting grooves are arranged on the inner top wall of the storage groove. The limiting grooves penetrate through the second connecting plate. Plug rods are inserted into the two groups of limiting grooves. The size of the plug rods matches the size inside the limiting grooves. One ends of the two plug rods are fixedly connected to the upper end surface of the clamping block, and the other ends of the two plug rods far away from the clamping block are connected to the lower end surface of the connecting rod.

[0018] Preferably, the electric valve is a 220v copper-made electric two-way valve, which is arranged at the flushing pipe and is normally closed, and is controlled by the submersible sewage pump control box. The submersible sewage pump control box is provided with a "cleaning" control button. When the submersible sewage pump works, the electric valve is opened by manually pressing the "cleaning" button.

[0019] Preferably, the flushing pipe is a DN20 galvanized steel pipe, and the installation height of the flushing pipe is 200mm higher than the water level.

[0020] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0021] An efficient anti-blocking device for a submersible sewage pump proposed by the present invention. The stainless steel mesh cover is provided with guide rails and chain hoists, and this device can be lifted outside the sump, which is convenient for maintenance and cleaning. The vertical bottom of the stainless steel mesh cover is provided with a sewage storage tank, which is convenient for collecting and storing impurities at the bottom layer of the sump. A backwashing device is provided, and the submersible sewage pump itself can be used to wash the stainless steel mesh cover from the inside to the outside, avoiding leaves, plastics, etc. from being adsorbed on the mesh cover for a long time and affecting the water intake of the submersible sewage pump. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a schematic structural diagram of the present invention;

[0023] Figure 2 is Figure 1 the enlarged schematic diagram of the structure at A in

[0024] Figure 3 is a schematic structural connection diagram of the submersible sewage pump and the flushing pipe of the present invention;

[0025] Figure 4 is a schematic structural connection diagram of the stainless steel mesh cover and the sewage storage tank of the present invention;

[0026] Figure 5 is a schematic structural connection diagram of the stainless steel mesh cover and the first connecting plate of the present invention;

[0027] Figure 6 is a schematic structural connection diagram of the sewage storage tank and the second connecting plate of the present invention;

[0028] Figure 7 is Figure 6 the enlarged schematic diagram of the structure at B in

[0029] Figure 8 Schematic diagram of the connection structure between the second connecting plate and the clamping block of the present invention;

[0030] Figure 9 Cross-sectional view of the structure of the second connecting plate of the present invention;

[0031] Figure 10 Schematic diagram of the structure of the first connecting plate of the present invention.

[0032] In the figure: bottom wall 1 of the sump, side wall 2 of the sump, stainless steel mesh cover 3, stainless steel mesh cover plate 4, lifting lug 5, chain block 6, sunken groove 7, fixed guide rail 8, rubber pad 9, water outlet pipe 10, sewage storage tank 11, electric valve 12, submersible sewage pump 13, flushing pipe 14, mesh cover connecting column 15, first connecting plate 16, guide plate 17, second connecting plate 18, clamping block 19, connecting rod 20, inserting rod 21, limiting groove 22, storage groove 23, return spring 24, inclined plane 25, fixed groove 26. Specific embodiments

[0033] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0034] Please refer to Figures 1 to 10 , the present invention provides a technical solution: an efficient anti-blocking device for a submersible sewage pump, and the efficient anti-blocking device for a submersible sewage pump includes:

[0035] The stainless steel mesh cover 3 is in a "C" - shaped structure. At both ends of the side walls on both sides of the stainless steel mesh cover 3, there are fixedly arranged mesh cover connecting columns 15. The stainless steel mesh cover 3 is placed on the upper surface of the sump bottom wall 1. On one side of the submersible pump 13, there is a sump side wall 2. On the side wall of the sump side wall 2 close to the stainless steel mesh cover 3, there are two sunken grooves 7. The distance between the two sunken grooves 7 matches the distance between the two side walls of the stainless steel mesh cover 3. And inside both of the two sunken grooves 7, there are fixed guide rails 8. The cross - section of the fixed guide rail 8 is in a "C" - shaped structure. The size of the fixed guide rail 8 matches the internal size of the sunken groove 7. And inside the sunken groove 7, there is a fixedly arranged rubber pad 9. The rubber pad 9 is fixedly arranged between the inner wall of the sunken groove 7 and the side wall of the fixed guide rail 8. Inside both of the two fixed guide rails 8, there is a sliding and clamping connection with the mesh cover connecting column 15. The size of the mesh cover connecting column 15 matches the internal size of the fixed guide rail 8. Through the cooperation of the two mesh cover connecting columns 15 and the two fixed guide rails 8, the stainless steel mesh cover 3 is slidably arranged on one side of the sump side wall 2. And on the upper surface of the stainless steel mesh cover 3, there is a fixedly arranged stainless steel mesh cover cover plate 4. The size of the stainless steel mesh cover cover plate 4 matches the size of the stainless steel mesh cover 3. On the upper end surface of the stainless steel mesh cover cover plate 4, there is a fixedly arranged lifting lug 5. The lifting lug 5 is fixedly connected with one end of the chain hoist 6. The stainless steel mesh cover 3 can be lifted upward by the chain hoist 6 under the cooperation of the stainless steel mesh cover cover plate 4 and the lifting lug 5. And the end of the water outlet pipe 10 far from the submersible pump 13 passes through the stainless steel mesh cover cover plate 4 and extends above the stainless steel mesh cover cover plate 4. On the outer surface of the bottom ends of the three side walls of the stainless steel mesh cover 3, there are all fixedly arranged first connecting plates 16. The size of the first connecting plate 16 matches the size of the side wall of the stainless steel mesh cover 3. The cross - section of the first connecting plate 16 is in an "L" - shaped structure. And on the side wall of the first connecting plate 16 close to the stainless steel mesh cover 3, there are two fixed grooves 26. The two fixed grooves 26 are evenly and symmetrically distributed;

[0036] The flushing pipe 14, one end of the flushing pipe 14 is connected to the water outlet pipe 10. The water outlet pipe 10 is connected to the inside of the submersible pump 13. On the upper surface of the sump bottom wall 1, there is a fixedly arranged submersible pump 13. The submersible pump 13 is located inside the stainless steel mesh cover 3. The flushing pipe 14 is connected to the inside of the submersible pump 13 through the water outlet pipe 10. And on the outer surface of the end of the flushing pipe 14 close to the water outlet pipe 10, there is a fixedly arranged electric valve 12;

[0037] The sewage storage tank 11 is in a "C" - shaped structure. The sewage storage tank 11 is fixedly arranged on the outer side of the bottom of the stainless - steel mesh cover 3. The size of the sewage storage tank 11 matches the size of the side wall of the stainless - steel mesh cover 3. At the center position of the side wall of the sewage storage tank 11 close to the stainless - steel mesh cover 3, a second connecting plate 18 is fixedly arranged. The size of the second connecting plate 18 matches the size of the first connecting plate 16. The cross - section of the second connecting plate 18 is in an inverted "L" - shaped structure. The first connecting plate 16 and the second connecting plate 18 match each other. The sewage storage tank 11 is connected to the stainless - steel mesh cover 3 through the cooperation of the first connecting plate 16 and the second connecting plate 18. And on the upper end face of the side wall of the sewage storage tank 11 close to the stainless - steel mesh cover 3, a guide plate 17 is fixedly connected. The guide plate 17 is in a triangular structure. The side wall of the guide plate 17 is in contact with the side wall of the stainless - steel mesh cover 3. On the side wall of the second connecting plate 18 close to the sewage storage tank 11, two receiving grooves 23 are opened. Two groups of receiving grooves 23 respectively correspond to two groups of fixing grooves 26. And two clamping blocks 19 are inserted in the interiors of the two receiving grooves 23. The size of the clamping block 19 matches the internal size of the receiving groove 23. The end of the clamping block 19 far from the receiving groove 23 matches the size of the fixing groove 26. And on the lower end face of the end of the clamping block 19 close to the fixing groove 26, an inclined plane 25 is opened. A return spring 24 is arranged inside the receiving groove 23. The return spring 24 is fixedly arranged between the inner wall of the receiving groove 23 and the side wall of the clamping block 19. The clamping block 19 is elastically inserted into the interior of the receiving groove 23 through the return spring 24. And on the inner top wall of the receiving groove 23, two limiting grooves 22 are opened. The limiting grooves 22 penetrate through the second connecting plate 18. And two inserting rods 21 are inserted in the interiors of the two limiting grooves 22. The size of the inserting rod 21 matches the internal size of the limiting groove 22. One ends of the two inserting rods 21 are fixedly connected to the upper end face of the clamping block 19. The other ends of the two inserting rods 21 far from the clamping block 19 are connected to the lower end face of the connecting rod 20.

[0038] During use, through the filtration of the stainless - steel mesh cover plate 4 and the stainless - steel mesh cover 3, the sewage is sucked by the submersible sewage pump 13 and then discharged through the water outlet pipe 10. The sundries in the sewage will be blocked by the stainless - steel mesh cover 3 and the stainless - steel mesh cover plate 4. When it is necessary to back - flush the submersible sewage pump 13, the submersible sewage pump control box controls the submersible sewage pump 13 to open. The clear water enters the interior of the submersible sewage pump 13 through the flushing pipe 14 to clean the interior of the submersible sewage pump 13.

[0039] During the periodic maintenance, the stainless steel mesh cover 3 and the stainless steel mesh cover plate 4 are lifted by the chain block 6. The stainless steel mesh cover 3 will rise along the fixed guide rail 8. When the stainless steel mesh cover 3 is taken out, the stainless steel mesh cover 3 can be cleaned to prevent debris from blocking the stainless steel mesh cover 3. At the same time, the debris falls into the inside of the sewage storage tank 11 through the guide plate 17. When it is necessary to clean the sewage storage tank 11, push the connecting rod 20 to one side. The connecting rod 20 drives the clamping block 19 to move through the insertion rod 21. When the clamping block 19 is no longer inserted into the inside of the fixed groove 26, the sewage storage tank 11 can be taken out for cleaning. After the cleaning is completed, the sewage storage tank 11 can be fixed by the engagement of the first connecting plate 16 and the second connecting plate 18.

[0040] Although the embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An efficient anti-clogging device for a submersible sewage pump, characterized in that: The efficient anti-blocking device of the submersible sewage pump comprises: A stainless steel mesh cover (3), the stainless steel mesh cover (3) is in a "C" - shaped structure, and both ends of the side walls on both sides of the stainless steel mesh cover (3) are fixedly provided with mesh cover connecting columns (15); A flushing pipe (14), one end of the flushing pipe (14) is connected to the water outlet pipe (10), and the water outlet pipe (10) is communicated with the inside of the submersible sewage pump (13); A sewage storage tank (11), the sewage storage tank (11) is in a "C" - shaped structure, and the sewage storage tank (11) is fixedly arranged on the outer side of the bottom of the stainless steel mesh cover (3); On the outer surfaces of the bottom ends of the three groups of side walls of the stainless steel wire mesh cover (3), first connecting plates (16) are fixedly arranged. The size of the first connecting plate (16) matches the size of the side wall of the stainless steel wire mesh cover (3). The cross-section of the first connecting plate (16) is in an "L" shape, and on the side wall of the first connecting plate (16) close to the stainless steel wire mesh cover (3), fixing grooves (26) are opened. There are two groups of fixing grooves (26), and the two groups of fixing grooves (26) are evenly and symmetrically distributed; the size of the sewage storage tank (11) matches the size of the side wall of the stainless steel wire mesh cover (3). At the central position of the side wall of the sewage storage tank (11) close to the stainless steel wire mesh cover (3), a second connecting plate (18) is fixedly arranged. The size of the second connecting plate (18) matches the size of the first connecting plate (16). The cross-section of the second connecting plate (18) is in an inverted "L" shape. The first connecting plate (16) and the second connecting plate (18) match each other. The sewage storage tank (11) is connected to the stainless steel wire mesh cover (3) through the cooperation of the first connecting plate (16) and the second connecting plate (18). And on the upper end surface of the side wall of the sewage storage tank (11) close to the stainless steel wire mesh cover (3), a guide plate (17) is fixedly connected. The guide plate (17) is in a triangular structure, and the side wall of the guide plate (17) is in contact with the side wall of the stainless steel wire mesh cover (3); on the side wall of the second connecting plate (18) close to the sewage storage tank (11), receiving grooves (23) are opened. There are two groups of receiving grooves (23), and the two groups of receiving grooves (23) respectively correspond to the two groups of fixing grooves (26). And in the interiors of the two groups of receiving grooves (23), clamping blocks (19) are inserted. The size of the clamping block (19) matches the internal size of the receiving groove (23). The end of the clamping block (19) far from the receiving groove (23) matches the size of the fixing groove (26). And on the lower end surface of the end of the clamping block (19) close to the fixing groove (26), an inclined surface (25) is opened; a return spring (24) is arranged in the interior of the receiving groove (23). The return spring (24) is fixedly arranged between the inner wall of the receiving groove (23) and the side wall of the clamping block (19). The clamping block (19) is elastically inserted into the interior of the receiving groove (23) through the return spring (24). And on the inner top wall of the receiving groove (23), two groups of limiting grooves (22) are opened. The limiting grooves (22) penetrate through the second connecting plate (18). And in the interiors of the two groups of limiting grooves (22), inserting rods (21) are inserted. The size of the inserting rod (21) matches the internal size of the limiting groove (22). One ends of the two groups of inserting rods (21) are fixedly connected to the upper end surface of the clamping block (19). The other ends of the two groups of inserting rods (21) far from the clamping block (19) are connected to the lower end surface of the connecting rod (20).

2. The efficient anti-clogging device for a submersible sewage pump according to claim 1, characterized in that: The stainless steel mesh cover (3) is placed on the upper surface of the bottom wall (1) of the sump. A submersible sewage pump (13) is fixedly arranged on the upper surface of the bottom wall (1) of the sump. The submersible sewage pump (13) is located inside the stainless steel mesh cover (3). The flushing pipe (14) is connected to the inside of the submersible sewage pump (13) through the water outlet pipe (10). An electric valve (12) is fixedly arranged on the outer surface of the end of the flushing pipe (14) close to the water outlet pipe (10).

3. The efficient anti-clogging device for a submersible sewage pump according to claim 2, characterized in that: A side wall (2) of the sump is arranged on one side of the submersible sewage pump (13). A sunken groove (7) is formed in the side wall of the sump side wall (2) close to the stainless steel mesh cover (3). Two groups of sunken grooves (7) are formed. The distance between the two groups of sunken grooves (7) matches the distance between the two side walls of the stainless steel mesh cover (3). Fixed guide rails (8) are arranged inside both groups of sunken grooves (7).

4. The efficient anti-clogging device for a submersible sewage pump according to claim 3, characterized in that: The cross-section of the fixed guide rail (8) is in a "C" shape. The size of the fixed guide rail (8) matches the internal size of the sunken groove (7). A rubber pad (9) is fixedly arranged inside the sunken groove (7). The rubber pad (9) is fixedly arranged between the inner wall of the sunken groove (7) and the side wall of the fixed guide rail (8).

5. The efficient anti-clogging device for a submersible sewage pump according to claim 4, characterized in that: Mesh cover connecting columns (15) are slidably clamped inside both groups of fixed guide rails (8). The size of the mesh cover connecting columns (15) matches the internal size of the fixed guide rails (8). The stainless steel mesh cover (3) is slidably arranged on one side of the sump side wall (2) through the cooperation of the two groups of mesh cover connecting columns (15) and the two groups of fixed guide rails (8). A stainless steel mesh cover plate (4) is fixedly arranged on the upper surface of the stainless steel mesh cover (3). The size of the stainless steel mesh cover plate (4) matches the size of the stainless steel mesh cover (3).

6. The efficient anti-clogging device for a submersible sewage pump according to claim 5, characterized in that: Lifting lugs (5) are fixedly arranged on the upper end surface of the stainless steel mesh cover plate (4). The lifting lugs (5) are fixedly connected to one end of a chain block (6). The stainless steel mesh cover (3) can be lifted upward by the chain block (6) through the cooperation of the stainless steel mesh cover plate (4) and the lifting lugs (5). One end of the water outlet pipe (10) far from the submersible sewage pump (13) passes through the stainless steel mesh cover plate (4) and extends above the stainless steel mesh cover plate (4).

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