Horizontal centrifugal pump with filtering function

Abstract

The utility model belongs to the technical field of centrifugal pumps, and particularly relates to a horizontal centrifugal pump with a filtering function, which comprises a horizontal centrifugal pump body and a cleaning cylinder, an opening is arranged on one side of the cleaning cylinder, a liquid outlet end is fixedly arranged on the rear side wall of the cleaning cylinder, the liquid outlet end is fixedly connected with a liquid inlet of the horizontal centrifugal pump body, and the liquid inlet of the horizontal centrifugal pump body is fixedly connected with the cleaning cylinder. A liquid inlet end is fixedly arranged on the bottom wall of the cleaning cylinder, the liquid inlet end is fixedly connected with a water pipe, and a filtering assembly is installed in the cleaning cylinder; according to the horizontal centrifugal pump, sand and stone impurities in water liquid are filtered through the filter cartridges, the sand and stone impurities can be prevented from entering the horizontal centrifugal pump body to damage an impeller, and therefore the working stability of the horizontal centrifugal pump body is improved, the service life of the horizontal centrifugal pump body is prolonged, and the circulation ends below the two filter cartridges are pushed to alternately move to the liquid inlet end through stretching and retracting of the electric push rod. And water is isolated through the piston plate, so that the two filter cartridges can be alternately utilized.

Description

TECHNICAL FIELD

[0001] The utility model relates to centrifugal pump technical field, concretely is a horizontal centrifugal pump with filtering function. BACKGROUND

[0002] Pump is the mechanical of conveying fluid or making fluid pressure increase, it transmits the mechanical energy of prime mover or other external energy to liquid, makes liquid energy increase, the kind of pump is numerous, and application field is wide, horizontal centrifugal pump is one kind of water pump, horizontal centrifugal pump utilizes impeller rotation and makes fluid centripetal motion, thereby makes fluid be thrown to the outer edge of impeller, and the flow channel of pump shell is flowed out the pipeline of water pump, and the pressurized delivery of water liquid is completed.

[0003] When horizontal centrifugal pump is used, the water liquid in water source is sucked by the aid of pipeline, due to the difference of water source, when sucking water, the water liquid mixed with silt and sundries is inevitably sucked, and the silt impurity in water liquid cannot be effectively removed by relying on the filtering structure of pipe end, when horizontal centrifugal pump works, impeller rotates at high speed, and the silt impurity entering horizontal centrifugal pump body collides with impeller, which easily leads to the damage of impeller, not only affects the normal use of water pump, but also shortens the service life of water pump.

[0004] The existing patent with the announcement number CN219993942U discloses a horizontal centrifugal pump with filter, the front side of centrifugal horizontal centrifugal pump body is provided with filtering mechanism, filtering mechanism includes filter communication seat, filter shell and filter core, the rear side of filtering mechanism is provided with filter communication pipe, filter communication seat is communicated with centrifugal horizontal centrifugal pump body through filter communication pipe, filter core is embedded in the inner side of filter shell, filter shell is connected on the top side of filter communication seat through bolt, horizontal centrifugal pump is provided with filtering mechanism on one side of centrifugal horizontal centrifugal pump body, filtering mechanism is communicated with centrifugal horizontal centrifugal pump body through filter communication seat, filter core in filter shell is used to filter the sand and stone impurities in water liquid, which improves the working stability and service life of centrifugal horizontal centrifugal pump body, and the external structure is arranged for filtering structure, which can quickly disassemble filter shell when needed, so that the cleaning and maintenance of filter core are more convenient, and the water pump has higher use convenience.

[0005] For the above and existing related technologies, the inventor believes that the following defects often exist: when the filter core of the device is cleaned, it needs to be stopped for operation, and in the case of more impurities that need to be cleaned frequently, the working efficiency of the water pump will be relatively affected, and improvement is needed;Therefore, a horizontal centrifugal pump with filtering function is proposed for the above problems. UTILITY MODEL CONTENTS

[0006] In order to make up for the deficiency of the prior art, solve the technical problems proposed above, the utility model provides a horizontal centrifugal pump with filtering function.

[0007] The utility model discloses a technical scheme that solves its technical problem is: the utility model discloses a horizontal centrifugal pump with filtering function, including horizontal centrifugal pump body and cleaning cylinder, the one -sided opening of cleaning cylinder, the rear wall of cleaning cylinder is fixedly arranged with the liquid outlet, the liquid outlet is fixedly connected with the liquid inlet of horizontal centrifugal pump body, the bottom wall of cleaning cylinder is fixedly arranged with the liquid inlet, the liquid inlet is fixedly connected with the water pipe, the inside installation of cleaning cylinder has filter assembly, filter assembly includes two filter cylinders, the lower surface of filter cylinder is fixedly arranged with the flow -through end, the inner wall of cleaning cylinder is pasted to the flow -through end away from the one end of filter cylinder, three piston plates are crossed and arranged between two filter cylinders, the outer wall of piston plate is fixedly connected with the outer wall of adjacent filter cylinder, the lower surface of cleaning cylinder is equipped with two blowdowns, the cylinder mouth of cleaning cylinder is fixedly arranged with the cylinder cover through bolt, the center of cylinder cover is fixedly connected with electric push rod, the drive end of electric push rod is fixedly connected with the outermost piston plate in the inside of cleaning cylinder.

[0008] Preferably, the two filter assemblies further include a connecting rod, the connecting rod penetrates the intermediate side piston plate, and the two ends of the connecting rod are rotatably connected with the outer walls of the two side piston plates.

[0009] Preferably, the two sides of the connecting rod are fixedly connected with a plurality of annularly distributed blades.

[0010] Preferably, the two sides of the connecting rod are fixedly connected with a plurality of annularly distributed scrapers, and the scrapers are in U-shaped.

[0011] Preferably, the surface of the connecting rod is slidingly connected with two annular counterweight plates, and the scrapers penetrate the outer edges of the counterweight plates.

[0012] Preferably, the cleaning cylinder and the filter cylinder are respectively made of transparent materials, and the cleaning cylinder is obliquely arranged.

[0013] Preferably, a discharging assembly is arranged below the cleaning cylinder, the discharging assembly includes two blowdowns, the two blowdowns are fixedly installed on the lower surfaces of the two blowdowns, respectively, the outer walls of the two blowdowns are respectively sleeved with connecting cylinders of different lengths, and the bottom ends of the connecting cylinders are fixedly connected with blowdown cylinders.

[0014] Preferably, the surface of the blowdown is provided with an upper spring and a lower spring, the upper spring is located above the connecting cylinder, and the lower spring is located in the connecting cylinder.

[0015] The utility model has the advantages that:

[0016] 1. The utility model discloses a filter cartridge filters the sand impurities in the water liquid, can avoid the sand impurities into horizontal centrifugal pump body and lead to impeller damage to improve the working stability and service life of horizontal centrifugal pump body, through the electric push rod telescopic push two filter cartridges below the flow end alternately moves to the liquid inlet end, and through the piston board isolation water liquid to alternately utilize two filter cartridges, and the flow end of filter cartridge moves from the liquid inlet end to the blowdown, and the impurity in it falls and discharges from the blowdown to realize the automatic cleaning of the filtered impurity under the condition of not stopping.

[0017] 2. The utility model discloses the cleaning cylinder of inclination setting makes the scraper slide down to can push out the impurity from the flow end to reduce the residue of impurity, and the water liquid pushes the blade and scraper in its inside to rotate when passing through the filter cylinder, and the inside wall of the filter cylinder is cleaned to avoid the impurity adhesion on the inside wall of the filter cylinder, improve the discharge effect of impurity. ACCURACY

[0018] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description, obviously, the drawing in the following description only some embodiments of the utility model, for ordinary skilled person in the art, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0019] Figure 1 It is the whole structure schematic diagram of the utility model;

[0020] Figure 2 It is the separation cylinder sectional view of the utility model;

[0021] Figure 3 It is the filter assembly structure schematic diagram of the utility model;

[0022] Figure 4 It is the filter cartridge sectional view of the utility model;

[0023] Figure 5 It is the blowdown cylinder and connecting cylinder sectional view of the utility model.

[0024] In the drawing: 1, horizontal centrifugal pump body;2, cleaning cylinder;3, liquid outlet end;4, liquid inlet end;5, filter assembly;51, filter cartridge;52, flow end;53, piston board;54, connecting rod;55, blade;56, scraper;57, counterweight plate;6, cylinder cover;7, electric push rod;8, blowdown;9, discharge assembly;91, blowdown end;92, connecting cylinder;93, blowdown cylinder;94, upper spring;95, lower spring. DETAILED DESCRIPTION

[0025] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] Embodiment one

[0027] Please refer to Figures 1-4 As shown in FIG. 1, a horizontal centrifugal pump with filtering function includes a horizontal centrifugal pump body 1 and a cleaning cylinder 2. The cleaning cylinder 2 is provided with a single-side opening. The rear wall of the cleaning cylinder 2 is fixedly provided with a liquid outlet 3. The liquid outlet 3 is fixedly connected with the liquid inlet of the horizontal centrifugal pump body 1. The bottom wall of the cleaning cylinder 2 is fixedly provided with a liquid inlet 4. The liquid inlet 4 is fixedly connected with a water pipe. The cleaning cylinder 2 is internally provided with a filtering assembly 5. The filtering assembly 5 includes two filtering cylinders 51. The lower surface of each filtering cylinder 51 is fixedly provided with a flow-through end 52. The flow-through end 52 away from the filtering cylinder 51 is attached to the inner wall of the cleaning cylinder 2. Three piston plates 53 are crossly arranged between the two filtering cylinders 51. The outer wall of each piston plate 53 is fixedly connected with the outer wall of the adjacent filtering cylinder 51. The lower surface of the cleaning cylinder 2 is provided with two sewage outlets 8. The cylinder opening of the cleaning cylinder 2 is fixedly provided with a cylinder cover 6 through bolts. The center of the cylinder cover 6 is fixedly connected with an electric push rod 7. The driving end of the electric push rod 7 is fixedly connected with the outermost piston plate 53 inside the cleaning cylinder 2. The horizontal centrifugal pump body 1 is composed of an electric motor, a pump body, a pump cover, a bearing seat, a shaft, an impeller, a sealing ring, a shaft sleeve and other components, which belong to the prior art and are not described here. The electric push rod 7 is electrically connected with a controller. The controller is used for controlling the operation of the electric push rod 7.

[0028] Specific, the cylinder cover 6 is removed by taking off the bolt to remove the filter assembly 5, liquid by water pipe through the liquid inlet end 4 into the cleaning cylinder 2, and by the liquid outlet end 3 into the horizontal centrifugal pump body 1, the piston plate 53 is used to isolate the liquid flow in the cleaning cylinder 2, for the filter cartridge 51 in use state both sides of the seal, avoid liquid outflow, the impeller in the horizontal centrifugal pump body 1 high speed rotation carries out centrifugal motion, water liquid is inhaled and pressurized to transport through the cleaning cylinder 2, water liquid by liquid inlet end 4 and flow through end 52 into the inside of filter cartridge 51, after filter cartridge 51 filtering, water liquid by liquid outlet end 3 into the horizontal centrifugal pump body 1, impurities stay in the inside of filter cartridge 51, the sand impurities in water liquid are filtered through filter cartridge 51, sand impurities can be avoided into the horizontal centrifugal pump body 1 and cause the impeller damage, so as to improve the working stability and service life of the horizontal centrifugal pump body 1, the two filter cartridges 51 below flow through end 52 are pushed by electric push rod 7 telescopic alternately to liquid inlet end 4, and the water is isolated by piston plate 53, so that two filter cartridges 51 can be alternately used, and when the flow through end 52 of filter cartridge 51 moves from liquid inlet end 4 to the drain 8, the impurities in the inside thereof fall and discharge from the drain 8, so that the filtered impurities can be automatically cleaned without stopping.

[0029] Two filter assemblies 5 further include connecting rod 54, connecting rod 54 penetrates the middle side piston plate 53, the both ends of connecting rod 54 are rotatably connected with the outer walls of the both sides piston plate 53, the both sides of connecting rod 54 are fixedly connected with a plurality of annularly distributed blades 55, the both sides of connecting rod 54 are fixedly connected with a plurality of annularly distributed scrapers 56, and the scraper 56 is arranged in U shape.

[0030] Specific, the water liquid pushes the inside blade 55 to rotate when passing through the filter cartridge 51, the blade 55 drives the connecting rod 54 to rotate, so that the connecting rod 54 drives the scraper 56 to rotate, thereby cleaning the inside wall of the filter cartridge 51 in use and at rest, so as to avoid impurities adhering to the inside wall of the filter cartridge 51 at rest, and improve the discharge effect of impurities.

[0031] Example two

[0032] Comparative example one, please see Figure 5 The utility model provides another embodiment, the surface of connecting rod 54 is slidably connected with two annular counterweight plates 57, the scraper 56 penetrates the outer edge of counterweight plate 57, the cleaning cylinder 2 and filter cartridge 51 are made of transparent material respectively, and the cleaning cylinder 2 is arranged obliquely.

[0033] Specifically, through the transparent cleaning barrel 2 and the filter barrel 51, the user can directly observe the amount of impurities in the filter barrel 51, and conveniently control the electric push rod 7 to switch and clean the filter barrel 51 in time. When the water flows in the filter barrel 51, the scraper 56 in the filter barrel 51 slides upward, and when the filter barrel 51 moves to the drain port 8, the scraper 56 slides downward through the inclined cleaning barrel 2, so that the impurities are pushed out from the flow end, thereby reducing the residue of impurities.

[0034] The lower part of the cleaning barrel 2 is provided with a discharging assembly 9, which includes two drain ends 91 fixedly installed on the lower surfaces of the two drain ports 8, and the outer walls of the two drain ends 91 are respectively sleeved with connecting barrels 92 of different lengths, the bottom ends of the connecting barrels 92 are fixedly connected with drain barrels 93, and the barrel openings of the drain barrels 93 are provided with collecting boxes.

[0035] Specifically, the drain barrel 93 is inclined through the two connecting barrels 92 of different lengths, and the inclination direction of the drain barrel 93 is opposite to that of the cleaning barrel 2. After the impurities are discharged from the drain port 8, they enter the drain barrel 93 through the drain end 91, so that they can be uniformly discharged from the barrel opening of the drain barrel 93, thereby facilitating the collection of impurities by the collecting box for centralized collection and convenient post-processing.

[0036] The surface of the drain end 91 is provided with an upper spring 94 and a lower spring 95, the upper spring 94 is located above the connecting barrel 92, and the lower spring 95 is located inside the connecting barrel 92.

[0037] Specifically, the vibration of the horizontal centrifugal pump body 1 drives the drain barrel 93 to vibrate, and the elastic cooperation of the upper spring 94 and the lower spring 95 enables the drain barrel 93 to vibrate multiple times, so that the drain barrel 93 accelerates the discharge of impurities in it in a state of continuous vibration.

[0038] The working principle is that the impeller in the horizontal centrifugal pump body 1 rotates at high speed to perform centrifugal motion, water liquid is sucked and pressurized to be delivered through the cleaning barrel 2, the water liquid enters the inside of the filter barrel 51 from the liquid inlet end 4 and the flow-through end 52, after being filtered through the filter barrel 51, the water liquid enters the horizontal centrifugal pump body 1 from the liquid outlet end 3, and the impurities stay in the inside of the filter barrel 51, the sand and stone impurities in the water liquid are filtered through the filter barrel 51, so that the sand and stone impurities can be prevented from entering the horizontal centrifugal pump body 1 to cause damage to the impeller, thereby improving the working stability and service life of the horizontal centrifugal pump body 1, the flow-through end 52 below the two filter barrels 51 is alternately moved to the liquid inlet end 4 through the electric push rod 7, and the water liquid is isolated through the piston plate 53, so that the two filter barrels 51 can be alternately used, and when the flow-through end 52 of the filter barrel 51 moves from the liquid inlet end 4 to the blow-off port 8, the impurities in the inside of the filter barrel 51 fall and are discharged from the blow-off port 8, the transparent cleaning barrel 2 and the filter barrel 51 enable the user to directly observe the amount of impurities in the inside of the filter barrel 51, the user can conveniently control the electric push rod 7 to timely switch and clean the filter barrel 51, thereby realizing automatic cleaning of the filtered impurities without stopping the machine.

[0039] The water liquid pushes the inside of the blade 55 to rotate when passing through the filter barrel 51, the blade 55 drives the connecting rod 54 to rotate, the connecting rod 54 drives the scraper 56 to rotate, thereby cleaning the inside wall of the filter barrel 51 in use and at rest, thereby avoiding the impurities from adhering to the inside wall of the filter barrel 51 at rest, improving the discharge effect of the impurities, and when the water liquid flows in the inside of the filter barrel 51, the scraper 56 in the inside of the filter barrel 51 slides upward, and when the filter barrel 51 moves to the blow-off port 8, the scraper 56 slides downward through the inclined cleaning barrel 2, thereby pushing the impurities out from the flow-through end, thereby reducing the residue of the impurities.

[0040] After the impurities are discharged from the blow-off port 8, the impurities enter the blow-off barrel 93 through the blow-off end 91, thereby being uniformly discharged from the barrel opening of the blow-off barrel 93, thereby facilitating the collection box to collect the impurities, and facilitating the later treatment.

[0041] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0042] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A horizontal centrifugal pump with filtration function, comprising a horizontal centrifugal pump body (1) and a cleaning cylinder (2), characterized in that: The cleaning cylinder (2) has an opening on one side. A liquid outlet (3) is fixedly provided on the rear side wall of the cleaning cylinder (2). The liquid outlet (3) is fixedly connected to the liquid inlet of the horizontal centrifugal pump body (1). A liquid inlet (4) is fixedly provided on the bottom wall of the cleaning cylinder (2). A water pipe is fixedly connected to the liquid inlet (4). A filter assembly (5) is installed inside the cleaning cylinder (2). The filter assembly (5) includes two filter cylinders (51). A flow end (52) is fixedly provided on the lower surface of the filter cylinder (51). The flow end (52) is away from the filter cylinder (51). 1) One end is attached to the inner wall of the cleaning cylinder (2). Three piston plates (53) are arranged crosswise between the two filter cylinders (51). The outer wall of the piston plate (53) is fixedly connected to the outer wall of the adjacent filter cylinder (51). Two drain ports (8) are opened on the lower surface of the cleaning cylinder (2). A cylinder cover (6) is fixedly installed at the cylinder opening of the cleaning cylinder (2) by bolts. An electric push rod (7) is fixedly connected to the center of the cylinder cover (6). The driving end of the electric push rod (7) is fixedly connected to the outermost piston plate (53) inside the cleaning cylinder (2).

2. The horizontal centrifugal pump with filtration function according to claim 1, characterized in that: The two filter assemblies (5) also include a connecting rod (54) that passes through the piston plate (53) on the middle side, and the two ends of the connecting rod (54) are rotatably connected to the outer walls of the piston plates (53) on both sides respectively.

3. The horizontal centrifugal pump with filtration function according to claim 2, characterized in that: Several blades (55) arranged in a ring are fixedly connected to both sides of the connecting rod (54).

4. The horizontal centrifugal pump with filtration function according to claim 2, characterized in that: The connecting rod (54) has several scrapers (56) fixedly connected to its two sides in a ring-shaped arrangement. The scrapers (56) are U-shaped.

5. The horizontal centrifugal pump with filtration function according to claim 4, characterized in that: The connecting rod (54) has two annular counterweight plates (57) slidably connected to its surface, and the scraper (56) passes through the outer edge of the counterweight plates (57).

6. The horizontal centrifugal pump with filtration function according to claim 1, characterized in that: The cleaning cylinder (2) and the filter cylinder (51) are made of transparent material, and the cleaning cylinder (2) is set at an angle.

7. The horizontal centrifugal pump with filtration function according to claim 1, characterized in that: A discharge assembly (9) is provided below the cleaning cylinder (2). The discharge assembly (9) includes two discharge ends (91). The two discharge ends (91) are respectively fixedly installed on the lower surface of two discharge ports (8). The outer walls of the two discharge ends (91) are respectively fitted with connecting cylinders (92) of different lengths. The bottom end of the connecting cylinder (92) is fixedly connected to a discharge cylinder (93).

8. The horizontal centrifugal pump with filtration function according to claim 7, characterized in that: The surface of the drain end (91) is provided with an upper spring (94) and a lower spring (95). The upper spring (94) is located above the connecting cylinder (92), and the lower spring (95) is located inside the connecting cylinder (92).

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