Vertical axial flow pump with prefabricated runner

Abstract

The vertical axial flow pump comprises an axial flow pump body, the bottom of the axial flow pump body is fixedly connected with a water inlet pipe, the outer side of the axial flow pump body is fixedly connected with a mounting plate, a connecting pipe is arranged in the water inlet pipe, the connecting pipe is fixedly connected with the upper surface of the prefabricated flow channel body, and a motor is fixedly mounted on the mounting plate. The output end of the motor is fixedly connected with the driving gear, a rotating cylinder is arranged on the mounting plate, the outer side of the rotating cylinder is fixedly connected with the driven gear, a threaded rod is arranged in the rotating cylinder, and a filter plate is arranged in the prefabricated runner body. The driving gear drives the driven gear to rotate, the threaded rod drives the prefabricated flow channel body to move up and down, the height of the flow channel body is adjusted, the applicability of the whole device is enhanced, the filter plate is used for filtering, and the service life of the axial flow pump is prolonged; by pushing the moving block, the inserting rod is separated from the inserting hole in the inner wall of the prefabricated runner, so that the filtering plate is conveniently disassembled.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of axial flow pump, concretely to a vertical axial flow pump with prefabricated flow channel. BACKGROUND

[0002] Axial flow pump is a kind of pump that liquid is transported along the axis direction by the action force of the blade of rotating impeller, and there are vertical type, horizontal type, inclined type and tubular type.A vertical submersible axial flow pump is an axial flow pump with pump body and motor installed underwater, and it is usually used to transport sewage or seawater and other liquids.

[0003] In order to avoid the situation that the water pump is not enough in the depth of submersion or the distance between two pumps in the pool is too close, and the air still enters the pump body during the operation of the water pump, causing cavitation phenomenon and damaging the water pump, and affecting the efficiency of the water pump and reducing the service life of the water pump, the publication number CN221400964 U discloses a vertical submersible axial flow pump with prefabricated flow channel, which changes the speed and direction of liquid flow through the prefabricated flow channel assembly to avoid generating spiral flow into the water pump, but the prefabricated flow channel of the above-mentioned patent is not easy to adjust the height, and cannot adjust the grinding depth of the water pump according to the actual use condition. SUMMARY

[0004] The utility model aims at providing a vertical axial flow pump with prefabricated flow channel to solve the problems raised in the above background technology.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a vertical axial flow pump with prefabricated flow channel, comprising an axial flow pump body, the bottom of the axial flow pump body is fixedly connected with a water inlet pipe, the outer side of the axial flow pump body is fixedly connected with a mounting plate, a connecting pipe is arranged in the water inlet pipe, the connecting pipe is fixedly connected with the upper surface of a prefabricated flow channel body, a motor is fixedly installed on the mounting plate, the output end of the motor is fixedly connected with a driving gear, a rotating drum is arranged on the mounting plate, the outer side of the rotating drum is fixedly connected with a driven gear, a threaded rod is arranged in the rotating drum, a filter plate is arranged in the prefabricated flow channel body, a limiting groove is formed in the filter plate, a moving block is arranged in the limiting groove, the moving block is fixedly connected with one end of a plug rod, a spring is sleeved in the limiting groove, and a plug hole is formed in the inner wall of the prefabricated flow channel body.

[0006] Preferably, a connecting pipe is sleeved in the water inlet pipe, and the outer side of the connecting pipe is in sliding fit with the inner wall of the water inlet pipe.

[0007] Preferably, the mounting plate is rotatably connected with the outer side of the rotating drum through a bearing sleeve, a threaded groove is formed in the rotating drum, the rotating drum is in threaded connection with the outer side of the threaded rod through the threaded groove, and the bottom end of the threaded rod is fixedly connected with the upper surface of the prefabricated flow channel body.

[0008] Preferably, the upper surface of the prefabricated runner body is fixedly connected with the guide rod, a circular through hole is formed in the mounting plate, and the mounting plate is slidably connected with the outer side of the guide rod through the circular through hole.

[0009] Preferably, the output end of the motor is fixedly connected with the driving gear below the mounting plate, and the outer side of the driving gear is meshingly connected with the driven gear.

[0010] Preferably, a circular through hole is formed in the side surface of the filter plate, the filter plate is slidably connected with the outer side of the insertion rod through the circular through hole, and the insertion rod is movably inserted into the insertion hole.

[0011] Preferably, the inner side of the limiting groove is slidably connected with the outer side of the moving block, the moving block extends to the outer side of the axial flow pump body, and the limiting groove is fixedly connected with two symmetrical moving blocks at two ends.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1、The motor drives the driving gear to rotate, further drives the rotating drum to rotate, so that the threaded rod drives the prefabricated runner body to move up and down, the height of the runner body is adjusted, the applicability of the whole device is enhanced, the problem of too shallow depth is avoided, the stability of the up and down movement of the runner body is ensured by the cooperation of the guide rod on the prefabricated runner and the mounting plate.

[0014] 2、The utility model also filters the liquid entering the prefabricated runner through the filter plate, avoids the impurities from entering the axial flow pump and causing the damage of the impeller, prolongs the service life of the axial flow pump, pushes the moving blocks to move towards each other in the limiting groove, makes the insertion rod separate from the insertion hole in the inner wall of the prefabricated runner, realizes the convenient disassembly of the filter plate, effectively reduces the difficulty of subsequent maintenance and repair of the staff, and improves the work efficiency of the operator. ACCURATE DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 It is the mounting plate surface structure schematic diagram of the utility model;

[0017] Figure 3 It is the mounting plate bottom structure schematic diagram of the utility model;

[0018] Figure 4 It is the prefabricated runner body structure schematic diagram of the utility model;

[0019] Figure 5 It is the filter plate structure schematic diagram of the utility model.

[0020] In the figure: 1, axial flow pump body; 2, water inlet pipe; 3, mounting plate; 4, connecting pipe; 5, prefabricated runner body; 6, motor; 7, drive gear; 8, rotating drum; 9, driven gear; 10, threaded rod; 11, filter plate; 12, limiting groove; 13, moving block; 14, insertion rod; 15, spring; 16, insertion hole. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Please refer to Figures 1-4 The utility model provides a kind of technical solutions: a vertical axial flow pump with prefabricated runner, including axial flow pump body 1, the water inlet of axial flow pump body 1 bottom is welded and fixed with water inlet pipe 2, the outer side of axial flow pump body 1 is welded and fixed with mounting plate 3, water inlet pipe 2 inside is slidably connected with connecting pipe 4, connecting pipe 4 is welded and fixed with the upper surface of prefabricated runner body 5, the bolt of mounting plate 3 upper surface through hole is connected and fixed with motor 6, the output end of motor 6 is welded and fixed with drive gear 7, mounting plate 3 is rotatably connected with rotating drum 8 outer side, rotating drum 8 outer side is welded and fixed with driven gear 9, rotating drum 8 inside is threadedly connected with threaded rod 10, prefabricated runner body 5 inside is provided with filter plate 11, limiting groove 12 is set in filter plate 11 inside, moving block 13 is set in limiting groove 12 inside, moving block 13 is welded and fixed with insertion rod 14 one end, limiting groove 12 inside is sleeved with spring 15, insertion hole 16 is set in the inner wall of prefabricated runner body 5,

[0023] Water inlet pipe 2 inside is sleeved with connecting pipe 4, the outer side of connecting pipe 4 is slidably matched with the inner wall of water inlet pipe 2, so that connecting pipe 4 can move in water inlet pipe 2 with the lifting of prefabricated runner body 5, guide bar is arranged on the outer side of connecting pipe 4, so as to ensure the stable movement of connecting pipe 4 in water inlet pipe 2, and sealing ring is arranged on the top of connecting pipe 4, to avoid the gap between water inlet pipe 2 and connecting pipe 4 from causing water overflow,

[0024] The mounting plate 3 is rotatably connected to the outer side of the rotating drum 8 through a bearing sleeve, the rotating drum 8 is internally provided with a threaded groove, the rotating drum 8 is externally threadedly connected to the threaded rod 10 through the threaded groove, the bottom end of the threaded rod 10 is welded and fixed to the upper surface of the prefabricated flow passage body 5, the upper surface of the prefabricated flow passage body 5 is welded and fixed to the guide rod, the mounting plate 3 is provided with a circular through hole, the mounting plate 3 is slidably connected to the outer side of the guide rod through the circular through hole, the driving gear 7 is rotated by the motor 6, the rotating drum 8 and the driven gear 9 are synchronously rotated by the driving gear 7, the threaded rod 10 is further moved up and down in the rotating drum 8, thereby moving the prefabricated flow passage body 5 up and down, the height of the prefabricated flow passage body 5 is adjusted, the guide rod on the surface of the prefabricated flow passage body 5 ensures the stability of the upward and downward movement of the prefabricated flow passage body 5,

[0025] The output end of the motor 6 extends below the mounting plate 3 and is welded and fixed to the driving gear 7, the outer side of the driving gear 7 is meshingly connected to the driven gear 9,

[0026] The filter plate 11 is provided with a circular through hole on the side surface, the filter plate 11 is slidably connected to the outer side of the insertion rod 14 through the circular through hole, the insertion rod 14 is movably inserted into the insertion hole 16, the inner side of the limiting groove 12 is slidably connected to the outer side of the moving block 13, the moving block 13 extends to the outer side of the axial flow pump body 1, the two ends of the limiting groove 12 are respectively welded and fixed to the two symmetrical moving blocks 13, when the filter plate 11 is installed, the moving block 13 is pulled to move the insertion rod 14 into the limiting groove 12, after the filter plate 11 is placed in the prefabricated flow passage body 5, the moving block 13 is moved in the limiting groove 12 by the elastic force of the spring 15, until the insertion rod 14 is inserted into the insertion hole 16 to fix the filter plate 11 in the prefabricated flow passage body 5,

[0027] Working principle: when in use, after the axial flow pump body 1 is installed and fixed, the driving gear 7 is rotated by the motor 6, the rotating drum 8 and the driven gear 9 are synchronously rotated by the driving gear 7, the threaded rod 10 is further moved up and down in the rotating drum 8, thereby moving the prefabricated flow passage body 5 up and down, the height of the prefabricated flow passage body 5 is adjusted, the guide rod on the surface of the prefabricated flow passage body 5 ensures the stability of the upward and downward movement of the prefabricated flow passage body 5, the upward and downward movement of the prefabricated flow passage body 5 can be adjusted according to the situation of the water pool, the actual use efficiency is enhanced, the prefabricated flow passage body 5 buffers and guides the liquid, avoids the damage caused by the swirling liquid and the liquid with unstable flow rate entering the inner side of the axial flow pump body 1, when the filter plate 11 needs to be disassembled, cleaned and maintained, the moving block 13 is simultaneously moved in the limiting groove 12, thereby moving the insertion rod 14 away from the insertion hole 16, the filter plate 11 can be disassembled, the work efficiency of the staff is effectively improved.

[0028] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0029] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A vertical axial flow pump with prefabricated flow channels, comprising an axial flow pump body (1), characterized in that: The bottom of the axial flow pump body (1) is fixedly connected to the inlet pipe (2), and the outer side of the axial flow pump body (1) is fixedly connected to the mounting plate (3). A connecting pipe (4) is provided inside the inlet pipe (2), and the connecting pipe (4) is fixedly connected to the upper surface of the prefabricated flow channel body (5). A motor (6) is fixedly installed on the mounting plate (3), and the output end of the motor (6) is fixedly connected to the drive gear (7). A rotating drum (8) is provided on the mounting plate (3), and the outer side of the rotating drum (8) is... The side is fixedly connected to the driven gear (9). A threaded rod (10) is provided inside the rotating drum (8). A filter plate (11) is provided inside the prefabricated flow channel body (5). A limiting groove (12) is opened inside the filter plate (11). A moving block (13) is provided inside the limiting groove (12). One end of the moving block (13) is fixedly connected to the insertion rod (14). A spring (15) is sleeved inside the limiting groove (12). An insertion hole (16) is opened on the inner wall of the prefabricated flow channel body (5).

2. A vertical axial flow pump with prefabricated flow channels according to claim 1, characterized in that: The inlet pipe (2) is fitted with a connecting pipe (4), and the outer side of the connecting pipe (4) slides against the inner wall of the inlet pipe (2).

3. A vertical axial flow pump with prefabricated flow channels according to claim 1, characterized in that: The mounting plate (3) is rotatably connected to the outside of the rotating cylinder (8) through a bearing sleeve. A threaded groove is opened inside the rotating cylinder (8). The rotating cylinder (8) is threadedly connected to the outside of the threaded rod (10) through the threaded groove. The bottom end of the threaded rod (10) is fixedly connected to the upper surface of the prefabricated flow channel body (5).

4. A vertical axial flow pump with prefabricated flow channels according to claim 1, characterized in that: The upper surface of the prefabricated flow channel body (5) is fixedly connected to the guide rod, and a circular through hole is opened on the mounting plate (3). The mounting plate (3) is slidably connected to the outer side of the guide rod through the circular through hole.

5. A vertical axial flow pump with prefabricated flow channels according to claim 1, characterized in that: The output end of the motor (6) extends to the bottom of the mounting plate (3) and is fixedly connected to the drive gear (7). The outer side of the drive gear (7) is meshed with the driven gear (9).

6. A vertical axial flow pump with prefabricated flow channels according to claim 1, characterized in that: The filter plate (11) has a circular through hole on its side. The filter plate (11) is slidably connected to the outside of the insertion rod (14) through the circular through hole. The insertion rod (14) is movably inserted into the insertion hole (16).

7. A vertical axial flow pump with prefabricated flow channels according to claim 1, characterized in that: The limiting groove (12) is slidably connected to the outside of the moving block (13), the moving block (13) extends to the outside of the axial flow pump body (1), and the two ends of the limiting groove (12) are fixedly connected to two symmetrical moving blocks (13) respectively.

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