CN219013015U

CN219013015U - Vertical sealless self-priming pump

Info

Publication number: CN219013015U
Application number: CN202223295863.5U
Authority: CN
Inventors: 庄国进; 陈丁亮; 于志昆; 钱进; 张怀朝
Original assignee: Hebei Jinhongyu Environmental Protection Equipment Technology Co ltd
Current assignee: Hebei Jinhongyu Environmental Protection Equipment Technology Co ltd
Priority date: 2022-12-10
Filing date: 2022-12-10
Publication date: 2023-05-12
Anticipated expiration: 2032-12-10

Abstract

The utility model discloses a vertical sealless self-priming pump, which comprises a double-volute pump body and a base arranged at the bottom of the double-volute pump body, wherein a water absorbing mechanism is arranged in the double-volute pump body, the left end of the double-volute pump body is connected with a water outlet mechanism, and the water absorbing mechanism comprises a liquid inlet pipe, a connecting motor, a pump shaft, an auxiliary impeller, a main impeller, a coupler, a filter shell, a cleaning shaft and a plurality of groups of cleaning blades. The utility model has the beneficial effects that the impurity dirt in the liquid in the double-volute pump body can be filtered firstly by adopting the filtering shell through the water absorbing mechanism in the double-volute pump body, the impurity dirt is prevented from adhering to the impeller, the impurity dirt in the filtering shell can be cleaned by a plurality of groups of cleaning blades, and the position of the valve core can be adjusted by the water outlet mechanism according to the requirement, so that the flow rate of the conveying liquid is changed, and the use is convenient.

Description

Vertical sealless self-priming pump

Technical Field

The utility model relates to the field of self-priming pumps, in particular to a vertical sealless self-priming pump.

Background

The self-priming pump belongs to self-priming centrifugal pump, and has the advantages of compact structure, convenient operation, stable operation, easy maintenance, high efficiency, long service life, stronger self-priming capability and the like, and the pipeline does not need to be provided with a bottom valve, and the quantitative liquid guiding in the pump body is only required to be ensured before the self-priming pump works. Different liquids can be self-priming pumps made of different materials.

The self-priming pump works in that water is filled in a pump shell before the pump is started, after the pump is started, the impeller rotates at a high speed to enable water in the impeller channel to flow to the volute, at the moment, the inlet forms vacuum, the water inlet check valve is opened, and air in the suction pipe enters the pump and reaches the outer edge through the impeller channel. The utility model discloses a no sealed vertical self priming pump of high altitude that is arranged in the present patent application number is 201821730167.3, adopts the double volute pump body, through the specific gravity difference of gas and liquid, lighter gas separates out and is discharged outside the pump from the mixed solution, and the liquid reentrant working chamber of degasification mixes with the impeller inside from inhaling the air in the suction line again, under the rotatory effect of impeller, makes the pump body entry form certain vacuum soon to reach the purpose of inhaling. However, this self priming pump can not filter the impurity in the transport liquid, and the impeller is used for a long time, and the dirt is piled up easily on the surface, influences the transport effect, and can not adjust the velocity of flow of transport liquid according to the demand.

The foregoing is not necessarily a prior art, and falls within the technical scope of the inventors.

Disclosure of Invention

Aiming at the defects, the utility model provides a vertical sealless self-priming pump to solve the use problem of the vertical sealless self-priming pump.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the vertical sealless self-priming pump comprises a double-volute pump body and a base arranged at the bottom of the double-volute pump body, wherein a water absorption mechanism is arranged in the double-volute pump body, and the left end of the double-volute pump body is connected with a water outlet mechanism;

the water absorption mechanism comprises a liquid inlet pipe, a connecting motor, a pump shaft, an auxiliary impeller, a main impeller, a shaft coupling, a filtering shell, a cleaning shaft and a plurality of groups of cleaning blades, wherein the liquid inlet pipe is inserted into the right side bottom of a double-volute pump body, the connecting motor is installed at the upper end of the double-volute pump body, the rotating end is movably inserted into the double-volute pump body, the pump shaft is installed at the rotating end of the connecting motor, the auxiliary impeller is installed at the upper end of the pump shaft, the main impeller is installed on the pump shaft, the shaft coupling is installed at the bottom of the pump shaft, the filtering shell is installed at the inner bottom of the double-volute pump body, the right end is communicated with the liquid inlet pipe, the cleaning shaft is installed at the bottom of the shaft coupling, and the cleaning blades of the groups are uniformly installed on the cleaning shaft.

Further, the water outlet mechanism comprises a liquid outlet pipe, a valve cover, a threaded sleeve, a rotating screw rod, a rotating handle, a valve core and a liquid guide plate, wherein the liquid outlet pipe is inserted into the left upper end of the double-volute pump body, the valve cover is arranged on the liquid outlet pipe, the threaded sleeve is fixedly arranged at the center of the upper end of the valve cover, the rotating screw rod is movably inserted into the threaded sleeve, the rotating handle is arranged at the upper end of the rotating screw rod, the valve core is movably arranged at the bottom of the rotating screw rod, and the liquid guide plate is arranged at the left side in the liquid outlet pipe.

Further, a spring is sleeved on the outer surface of the bottom of the valve core.

Further, the electromagnetic valve is installed at the upper end of the liquid inlet pipe, and the check valve is installed at the upper end of the liquid outlet pipe.

Further, the outer surface of the filtering shell is uniformly provided with a plurality of water outlets.

Further, a cleaning opening communicated with the filtering shell is formed in the bottom of the double-volute pump body, and a cleaning valve is arranged at the cleaning opening.

The utility model provides a vertical sealless self-priming pump, which has the advantages that a water absorption mechanism in a double-volute pump body adopts a filtering shell to filter impurity dirt in liquid in the double-volute pump body at first, so that the impurity dirt is prevented from adhering to an impeller, a plurality of groups of cleaning blades can clean the impurity dirt in the filtering shell, and a water outlet mechanism can adjust the position of a valve core according to requirements, thereby changing the flow rate of liquid delivery and being convenient to use.

Drawings

Fig. 1 is a schematic view of a vertical sealless self priming pump according to the present utility model.

FIG. 2 is a schematic view of a water outlet mechanism according to the present utility model.

FIG. 3 is a schematic view of a valve cartridge according to the present utility model.

Fig. 4 is a schematic diagram of the valve element adjustment according to the present utility model.

In the figure: 1. a double volute pump body; 2. a base; 3. a liquid inlet pipe; 4. connecting with a motor; 5. a pump shaft; 6. an auxiliary impeller; 7. a main impeller; 8. a coupling; 9. a filter housing; 10. cleaning a shaft; 11. cleaning the blade; 12. a liquid outlet pipe; 13. a valve cover; 14. a threaded sleeve; 15. rotating the screw; 16. rotating the handle; 17. a valve core; 18. a liquid guide plate; 19. a spring; 20. an electromagnetic valve; 21. a check valve; 22. a water outlet hole; 23. cleaning the mouth; 24. and cleaning the valve.

Detailed Description

The utility model is described in detail below with reference to the accompanying drawings, as shown in fig. 1-4: the vertical sealless self-priming pump comprises a double-volute pump body 1 and a base 2 arranged at the bottom of the double-volute pump body 1, wherein a water absorption mechanism is arranged in the double-volute pump body 1, and the left end of the double-volute pump body 1 is connected with a water outlet mechanism; the water suction mechanism comprises a liquid inlet pipe 3, a connecting motor 4, a pump shaft 5, an auxiliary impeller 6, a main impeller 7, a coupler 8, a filter shell 9, a cleaning shaft 10 and a plurality of groups of cleaning blades 11, wherein the liquid inlet pipe 3 is inserted at the bottom of the right side of the double-volute pump body 1, the connecting motor 4 is installed at the upper end of the double-volute pump body 1, the rotating end is movably inserted in the double-volute pump body 1, the pump shaft 5 is installed at the rotating end of the connecting motor 4, the auxiliary impeller 6 is installed at the upper end of the pump shaft 5, the main impeller 7 is installed on the pump shaft 5, the coupler 8 is installed at the bottom of the pump shaft 5, the filter shell 9 is installed at the bottom in the double-volute pump body 1, the right end is communicated with the liquid inlet pipe 3, the cleaning shaft 10 is installed at the bottom of the coupler 8, and the plurality of groups of cleaning blades 11 are uniformly installed on the cleaning shaft 10; the water outlet mechanism comprises a liquid outlet pipe 12, a valve cover 13, a threaded sleeve 14, a rotary screw rod 15, a rotary handle 16, a valve core 17 and a liquid guide plate 18, wherein the liquid outlet pipe 12 is inserted into the upper end of the left side of the double-volute pump body 1, the valve cover 13 is arranged on the liquid outlet pipe 12, the threaded sleeve 14 is fixedly arranged at the center of the upper end of the valve cover 13, the rotary screw rod 15 is movably inserted into the threaded sleeve 14, the rotary handle 16 is arranged at the upper end of the rotary screw rod 15, the valve core 17 is movably arranged at the bottom of the rotary screw rod 15, and the liquid guide plate 18 is arranged at the left side in the liquid outlet pipe 12; the outer surface of the bottom of the valve core 17 is sleeved with a spring 19; the upper end of the liquid inlet pipe 3 is provided with an electromagnetic valve 20, and the upper end of the liquid outlet pipe 12 is provided with a check valve 21; a plurality of water outlet holes 22 are uniformly formed in the outer surface of the filter shell 9; the bottom of the double-volute pump body 1 is provided with a cleaning opening 23 communicated with the filter shell 9, and a cleaning valve 24 is arranged at the cleaning opening 23.

The working principle of the embodiment is as follows: the upper end of the liquid inlet pipe 3 is provided with an electromagnetic valve 20, and the upper end of the liquid outlet pipe 12 is provided with a check valve 21 for ensuring the tightness of the pipeline and the pump cavity;

when water is absorbed, the following components: the connection motor 4 starts to work firstly, drives the auxiliary impeller 6 and the main impeller 7 to rotate, enables water in the impeller channel to flow into the double-volute pump body 1 through high-speed rotation, at the moment, the inlet forms vacuum, thereby achieving the purpose of self suction, liquid firstly flows into the filter shell 9, a plurality of water outlets 22 are uniformly formed on the outer surface of the filter shell 9, the water outlets 22 can filter impurity dirt in the liquid and prevent the impurity dirt from adhering to the impeller, the coupling 8 is arranged at the bottom of the pump shaft 5, the cleaning shaft 10 is arranged at the bottom of the coupling 8, a plurality of groups of cleaning blades 11 are uniformly arranged on the cleaning shaft 10, when the pump shaft 5 rotates, the cleaning blades 11 are simultaneously driven to rotate, the impurity dirt at the water outlets 22 is cleaned, the filtered liquid is finally discharged through the liquid outlet pipe 12 under the rotation action of the main impeller 7, when the impurity dirt in the filter shell 9 needs to be cleaned, a cleaning valve 24 is opened by a user, and the impurity dirt in the filter shell 9 can be discharged through the cleaning port 23;

when water is discharged, the following steps are: the liquid outlet pipe 12 is inserted at the upper left side of the double-volute pump body 1, the valve cover 13 is arranged on the liquid outlet pipe 12, the threaded sleeve 14 is fixedly arranged at the center of the upper end of the valve cover 13, the rotary screw rod 15 is movably inserted in the threaded sleeve 14, the bottom part is hermetically inserted in the double-volute pump body 1, the rotary handle 16 is arranged at the upper end of the rotary screw rod 15, the valve core 17 is movably arranged at the bottom part of the rotary screw rod 15 through a fastening bearing, the liquid guide plate 18 is arranged at the left side in the liquid outlet pipe 12, the spring 19 is sleeved on the outer surface of the bottom part of the valve core 17, when a user needs to increase the liquid conveying flow rate, as shown in figure 2, the user rotates the rotary handle 16 clockwise, pushes the valve core 17 to move downwards through the rotary screw rod 15, as shown in fig. 4, the liquid conveying flow rate becomes larger at this time, otherwise, when the user needs to reduce the liquid conveying flow rate, the user rotates the rotary handle 16 anticlockwise, pushes the valve core 17 to move upwards through the rotary screw 15, at this time, the liquid conveying flow rate becomes smaller, the impurity dirt in the liquid sucked into the double-volute pump body 1 can be filtered firstly by the water suction mechanism positioned in the double-volute pump body 1 through the filter shell 9, the impurity dirt is prevented from adhering to the impeller, the impurity dirt in the filter shell 9 can be cleaned by the cleaning blades 11, and the position of the valve core 17 can be adjusted by the water outlet mechanism according to the requirement, so that the flow rate of the conveying liquid is changed, and the use is convenient.

The above technical solution only represents the preferred technical solution of the present utility model, and some changes that may be made by those skilled in the art to some parts of the technical solution represent the principles of the present utility model, and the technical solution falls within the scope of the present utility model.

Claims

1. The vertical sealless self-priming pump comprises a double-volute pump body (1) and a base (2) arranged at the bottom of the double-volute pump body (1), and is characterized in that a water absorbing mechanism is arranged in the double-volute pump body (1), and the left end of the double-volute pump body (1) is connected with a water outlet mechanism;

the water absorption mechanism comprises a liquid inlet pipe (3), a connecting motor (4), a pump shaft (5), an auxiliary impeller (6), a main impeller (7), a shaft coupling (8), a filtering shell (9), a cleaning shaft (10) and a plurality of groups of cleaning blades (11), wherein the liquid inlet pipe (3) is inserted into the bottom of the right side of the double-volute pump body (1), the connecting motor (4) is installed at the upper end of the double-volute pump body (1), the rotating end is movably inserted into the double-volute pump body (1), the pump shaft (5) is installed on the rotating end of the connecting motor (4), the auxiliary impeller (6) is installed at the upper end of the pump shaft (5), the main impeller (7) is installed on the pump shaft (5), the shaft coupling (8) is installed at the bottom of the pump shaft (5), the filtering shell (9) is installed at the bottom of the double-volute pump body (1), the right end is communicated with the liquid inlet pipe (3), and the cleaning shaft (10) is installed at the bottom of the shaft coupling (8), and the cleaning blades (11) are evenly installed on the cleaning shaft (10).

2. The vertical sealless self-priming pump according to claim 1, wherein the water outlet mechanism comprises a liquid outlet pipe (12), a valve cover (13), a threaded sleeve (14), a rotary screw (15), a rotary handle (16), a valve core (17) and a liquid guide plate (18), wherein the liquid outlet pipe (12) is inserted into the upper left side of the double-volute pump body (1), the valve cover (13) is arranged on the liquid outlet pipe (12), the threaded sleeve (14) is fixedly arranged at the center of the upper end of the valve cover (13), the rotary screw (15) is movably inserted into the threaded sleeve (14), the rotary handle (16) is arranged at the upper end of the rotary screw (15), the valve core (17) is movably arranged at the bottom of the rotary screw (15), and the liquid guide plate (18) is arranged on the left side in the liquid outlet pipe (12).

3. The vertical sealless self priming pump according to claim 2, wherein the outer surface of the bottom of the valve core (17) is sleeved with a spring (19).

4. The vertical sealless self priming pump according to claim 1 or claim 2, wherein the upper end of the liquid inlet pipe (3) is provided with a solenoid valve (20), and the upper end of the liquid outlet pipe (12) is provided with a check valve (21).

5. The vertical sealless self priming pump of claim 1, wherein the outer surface of the filter housing (9) is evenly provided with a plurality of water outlet holes (22).

6. The vertical sealless self priming pump according to claim 1, wherein a cleaning port (23) is formed in the bottom of the double volute pump body (1) and is communicated with the filter shell (9), and a cleaning valve (24) is installed at the cleaning port (23).