CN210461095U

CN210461095U - Submersible mixed flow pump

Info

Publication number: CN210461095U
Application number: CN201921921254.1U
Authority: CN
Inventors: 吴昌友; 陈维
Original assignee: Wuxi Shifa General Pump Motor Co Ltd
Current assignee: Wuxi Shifa General Pump Motor Co Ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-05-05
Anticipated expiration: 2029-11-08

Abstract

The utility model discloses a dive mixed flow pump, which comprises a housing, the intercommunication room, outlet pipe and loudspeaker cover, chassis bottom is connected with the intercommunication room, intercommunication room bottom is connected with the outlet pipe, the bottom of outlet pipe is connected with loudspeaker cover, be provided with the motor in the casing, through having the pump shaft on the motor, the bottom of pump shaft lets in the intercommunication room in proper order, outlet pipe and loudspeaker cover, arrange the epaxial wheel hub of installing of pump in the outlet pipe in, be provided with a plurality of impeller on the wheel hub all around, one side of impeller is connected with the locating pin, leave a plurality of screw hole in the wheel hub, the screw hole is provided with the nut outward, the bottom of nut is connected with the lead screw, the other end of lead screw lets in the threaded hole, the perpendicular intercommunication in screw hole bottom has. Has the advantages that: through the wheel hub, impeller, screw hole, nut, lead screw, logical groove, locating pin and the recess that sets up for the impeller is convenient for install and fixes on wheel hub, also convenient to detach changes simultaneously.

Description

Submersible mixed flow pump

Technical Field

The utility model relates to a mixed flow pump technical field particularly, relates to a dive mixed flow pump.

Background

A mixed flow pump, also called an oblique flow pump, is a water pump having performance and structure between those of a centrifugal pump and an axial flow pump, and is different from the centrifugal pump and the axial flow pump in that an outlet side of an impeller is inclined, and when water flows out from the impeller, the flow direction is inclined between the radial direction and the axial direction by the action of centrifugal force and thrust force, so that the mixed flow pump is called an oblique flow pump. Since the mixed flow pump compensates for the disadvantages of the centrifugal pump and the axial flow pump and has the advantages of both, the range of use thereof is expanding toward the range of the conventional centrifugal pump and the conventional axial flow pump.

The submersible mixed flow pump works under water, the existing submersible mixed flow pump has the defects that the impeller is complex in installation mode and poor in stability, and meanwhile, barriers such as waterweeds are easily wound on the impeller when the submersible mixed flow pump is used, so that potential safety hazards are increased.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dive mixed flow pump to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a submersible mixed flow pump comprises a casing, a communicating chamber, a water outlet pipe and a horn cover, wherein the bottom of the casing is connected with the communicating chamber, the bottom of the communicating chamber is connected with the water outlet pipe, the water outlet pipe is vertical to the communicating chamber, the bottom of the water outlet pipe is connected with the horn cover, a motor is arranged in the casing, a pump shaft is arranged on the motor, the bottom of the pump shaft is sequentially communicated with the communicating chamber, the water outlet pipe and the horn cover, a wheel hub is arranged on the pump shaft in the water outlet pipe, a plurality of impellers are arranged on the periphery of the wheel hub, one side of each impeller is connected with a positioning pin, a plurality of threaded holes are reserved in the wheel hub, nuts are arranged outside the threaded holes, the bottoms of the nuts are connected with lead screws, the other ends of the lead screws are communicated into the threaded holes, the other ends, the other end of the positioning pin is communicated into the through groove, a groove is reserved on the positioning pin, one side of the groove is an inclined plane, and the other end of the screw rod is communicated into the groove.

Furthermore, a flow guide cover is arranged in the horn cover, the bottom of the pump shaft passes through the flow guide cover, and the bottom of the pump shaft is connected with a screw rod.

Furthermore, a screw cap is connected to the screw rod through threads, and a plurality of rotating rods are connected to the periphery of the screw cap.

Furthermore, a top plate is arranged at the top of the machine shell, the top plate is tightly pressed at the outer top of the machine shell through a set bolt, and a lifting hook is connected to the top plate.

Furthermore, the top of the pump shaft is movably connected with the bottom of the top plate through a bearing seat, and a bearing is installed at the junction of the pump shaft and the inner wall of the casing.

Furthermore, a sealing ring is arranged at the junction of the pump shaft and the inner wall of the water outlet pipe.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the impeller is convenient to mount and fix on the hub and is also convenient to dismount and replace through the hub, the impeller, the threaded hole, the nut, the screw rod, the through groove, the positioning pin and the groove;

(2) through the screw rod, nut and the bull stick that set up, the bull stick rotates at the mixed flow pump during operation and stirs the pasture and water of aquatic, prevents the pasture and water winding on the impeller, simultaneously also convenient to detach.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a submersible mixed flow pump according to an embodiment of the present invention;

fig. 2 is an enlarged view of a point a in fig. 1 according to an embodiment of the present invention.

Reference numerals:

1. a housing; 2. a communicating chamber; 3. a water outlet pipe; 4. a horn cover; 5. a motor; 6. a pump shaft; 7. a bearing seat; 8. a bearing; 9. a seal ring; 10. a hub; 11. an impeller; 12. a threaded hole; 13. a nut; 14. a screw rod; 15. a through groove; 16. positioning pins; 17. a groove; 18. a pod; 19. a screw; 20. a nut; 21. a rotating rod; 22. a top plate; 23. a hook; 24. and (4) bolts.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

referring to fig. 1-2, a submersible mixed flow pump according to an embodiment of the present invention includes a casing 1, a communicating chamber 2, a water outlet pipe 3 and a horn cover 4, the bottom of the casing 1 is connected with the communicating chamber 2, the bottom of the communicating chamber 2 is connected with the water outlet pipe 3, the water outlet pipe 3 is perpendicular to the communicating chamber 2, the bottom of the water outlet pipe 3 is connected with the horn cover 4, a motor 5 is disposed in the casing 1, the motor 5 is provided with a pump shaft 6, the bottom of the pump shaft 6 is sequentially connected to the communicating chamber 2, the water outlet pipe 3 and the horn cover 4, a hub 10 is mounted on the pump shaft 6 disposed in the water outlet pipe 3, a plurality of impellers 11 are disposed around the hub 10, one side of the impellers 11 is connected with a positioning pin 16, a plurality of threaded holes 12 are left in the hub 10, nuts 13 are disposed outside the threaded holes 12, the bottom of the nuts, the other end of the screw rod 14 is communicated with the threaded hole 12, the other end of the screw rod 14 is connected with the threaded hole 12, the bottom of the threaded hole 12 is vertically communicated with a through groove 15, the other end of the positioning pin 16 is communicated with the through groove 15, a groove 17 is reserved on the positioning pin 16, one side of the groove 17 is an inclined plane, and the other end of the screw rod 14 is communicated with the groove 17.

Through the scheme of the utility model, the air guide sleeve 18 is arranged in the horn cover 4, the bottom of the pump shaft 6 passes through the air guide sleeve 18, and the air guide sleeve 18 controls the flowing direction of water; the bottom of the pump shaft 6 is connected with a screw rod 19, the screw rod 19 is connected with a screw cap 20 through threads, the periphery of the screw cap 20 is connected with a plurality of rotating rods 21, and the screw rod 19, the screw cap 20 and the rotating rods 21 are arranged, so that the rotating rods rotate to stir aquatic weeds when the mixed flow pump works, the aquatic weeds are prevented from being wound on the impeller 11, and meanwhile, the mixed flow pump is convenient to disassemble; 1 top of casing is provided with roof 22, roof 22 compresses tightly at 1 outer top of casing through the bolt 24 that sets up, be connected with lifting hook 23 on the roof 22, bearing frame 7 and roof 22 bottom swing joint through setting up are passed through at the top of pump shaft 6, pump shaft 6 installs bearing 8 with 1 inner wall juncture of casing, pump shaft 6 installs sealing washer 9 with 3 inner wall junctures of outlet pipe, and the sealing washer 9 of setting prevents to ooze.

When the impeller is used specifically, after the impeller 11 is replaced, the positioning pin 16 is aligned to the through groove 15, then the nut 13 is rotated, the nut 13 drives the screw rod 14 to rotate, the bottom of the screw rod 14 is led into the groove 17 of the positioning pin 16, the screw rod 14 continuously moves downwards and extrudes one side inclined plane of the groove 17, the positioning pin 16 tends to move rightwards to clamp the impeller 11, the screw cap 20 and the rotating rod 21 are screwed to the screw rod 19 through threads, and the screw cap 20 can be fixed by screwing one screw cap 20 so as to prevent the screw cap 20 from falling off from the screw rod 19 when rotating, and then corresponding water pumping operation can be carried out.

Furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The submersible mixed flow pump is characterized by comprising a casing (1), a communicating chamber (2), a water outlet pipe (3) and a horn cover (4), wherein the bottom of the casing (1) is connected with the communicating chamber (2), the bottom of the communicating chamber (2) is connected with the water outlet pipe (3), the water outlet pipe (3) is perpendicular to the communicating chamber (2), the bottom of the water outlet pipe (3) is connected with the horn cover (4), a motor (5) is arranged in the casing (1), a pump shaft (6) is arranged on the motor (5), the bottom of the pump shaft (6) is sequentially communicated with the communicating chamber (2), the water outlet pipe (3) and the horn cover (4), a wheel hub (10) is arranged on the pump shaft (6) in the water outlet pipe (3), a plurality of impellers (11) are arranged on the wheel hub (10) all around, one side of each impeller (11) is connected with a positioning pin (16, a plurality of threaded holes (12) are reserved in the hub (10), nuts (13) are arranged outside the threaded holes (12), the bottom of each nut (13) is connected with a lead screw (14), the other end of each lead screw (14) is communicated into the corresponding threaded hole (12), the other end of each lead screw (14) is connected with the corresponding threaded hole (12), the bottoms of the threaded holes (12) are vertically communicated with through grooves (15), the other end of each positioning pin (16) is communicated into the corresponding through groove (15), a groove (17) is reserved on each positioning pin (16), an inclined plane is arranged on one side of each groove (17), and the other end of each lead screw (14) is communicated into the corresponding groove (17).

2. A submersible mixed flow pump according to claim 1, characterized in that a flow guide cover (18) is arranged in the bell housing (4), the bottom of the pump shaft (6) passes through the flow guide cover (18), and a screw (19) is connected to the bottom of the pump shaft (6).

3. A submersible mixed flow pump according to claim 2, wherein the screw (19) is connected with a nut (20) by a thread, and a plurality of rotating rods (21) are connected around the nut (20).

4. A submersible mixed flow pump according to claim 1, wherein a top plate (22) is arranged on the top of the casing (1), the top plate (22) is pressed on the outer top of the casing (1) through a bolt (24), and a hook (23) is connected to the top plate (22).

5. A submersible mixed flow pump according to claim 1 or 2, wherein the top of the pump shaft (6) is movably connected with the bottom of the top plate (22) through a bearing seat (7), and the pump shaft (6) is provided with a bearing (8) at the junction with the inner wall of the casing (1).

6. A submersible mixed flow pump according to claim 5, characterised in that the pump shaft (6) is fitted with a sealing ring (9) at the interface with the inner wall of the outlet pipe (3).