CN213331569U

CN213331569U - Safe semi-submersible type floating pump

Info

Publication number: CN213331569U
Application number: CN202022086179.0U
Authority: CN
Inventors: 戴丹萍
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-06-01
Anticipated expiration: 2030-09-22

Abstract

The utility model provides a safe semi-submerged formula floating pump belongs to electric pump technical field. This safe semi-submerged formula floating pump includes the power, a controller, the motor and the pump body of being connected with the motor shaft of motor, water inlet and delivery port have been seted up on the pump body, the motor overcoat is equipped with the body, be equipped with the sealing washer in the motor, the pump body is including the chamber that absorbs water, go out the water cavity, holding chamber and sealed chamber, the position that is close to the chamber that absorbs water on the pump body is seted up to the water inlet, the delivery port is seted up and is close to the position of going out the water cavity on the pump body, the chamber that absorbs water and play water cavity all communicate with the holding chamber, the holding intracavity is equipped with the centrifugal wheel, the relative holding chamber in sealed chamber is close to the motor, sealed. The utility model has the advantages of can prevent the short circuit of water pump circuit better at the water pump during operation.

Description

Safe semi-submersible type floating pump

Technical Field

The utility model belongs to the technical field of the electric pump, a can dive electric pump is related to, especially a safe semi-submerged formula floating pump.

Background

At present, in occasions needing irrigation and irrigation such as mountain terraces and the like, a common product is a gasoline engine power water pump, most of the gasoline engine power water pump is a self-sucking pump, the power is high, the irrigation and drainage capacity is high, but the gasoline engine power water pump is large in size, heavy in weight, inconvenient to carry, and high in use cost due to the fact that gasoline is used as power. Aiming at the defect, the self-priming water pump taking the storage battery as power appears in the market, the weight is reduced, the use cost is greatly reduced, and the defect of low efficiency of the self-priming water pump is not changed. Therefore, a submersible pump using a storage battery as power appears in the market, and water can be discharged only by discarding the submersible pump in water.

For example, a submersible and floating dual-purpose pump in chinese patent document No. CN2263725 is mainly composed of a motor, a pump body, and a floating body, wherein the floating body is detachably connected or glued with the motor or the pump body, or the floating body is supported below a supporting connection plate on the motor or the pump body.

However, the water pump also has an obvious defect that if the sediment of the underwater sludge is thicker, the efficiency of the water pump is often affected, even the water pump cannot work normally, and the underwater sundry particles are easy to cause serious abrasion to parts such as an oil seal of the water pump, so that the parts are damaged too early to damage the water pump. And when the submersible pump is internally filled with water, the external storage battery is often damaged due to short circuit of the circuit, so that great potential safety hazards are caused to the property of people.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, provided a safe semi-submerged formula floating pump, the utility model provides a technical problem be how can prevent the short circuit of water pump circuit better at the water pump during operation.

The purpose of the utility model can be realized by the following technical proposal:

a safe semi-submersible floating pump comprises a power supply, a controller connected with the power supply, a motor connected with the controller and a pump body connected with a motor shaft of the motor, wherein the pump body is provided with a water inlet and a water outlet, the motor is sleeved with a floating body, it is characterized in that a first sealing ring is arranged in the motor, the pump body comprises a water suction cavity, a water outlet cavity, an accommodating cavity and a sealing cavity, the water inlet is arranged at a position on the pump body close to the water suction cavity, the water outlet is arranged at a position on the pump body close to the water outlet cavity, the water suction cavity and the water outlet cavity are communicated with the holding cavity, a centrifugal impeller is arranged in the holding cavity, the sealing cavity is close to the motor relative to the holding cavity, the motor shaft of motor passes sealed chamber, centrifugal impeller fixes on the motor shaft of motor, be equipped with seal assembly in the sealed chamber.

When floating the motor on the surface of water through the body, feed through the power to the motor power supply through the controller, thereby order about the motor and drive the internal centrifugal impeller of pump and rotate, centrifugal impeller can be with the water in the pond through the chamber suction that absorbs water to the holding intracavity, can enter into out the water intracavity and realize out water through the delivery port after holding chamber water reaches a certain amount, because the sealed intracavity is equipped with seal assembly, consequently, the water and the silt of holding intracavity can not permeate motor shaft department and rotate to cause the resistance to the motor, in addition, because be equipped with sealing washer one in the motor, a sealing washer can prevent moisture and contained silt to permeate in the gap infiltration motor that sees through the motor, thereby realize preventing the motor short circuit.

In foretell safe semi-submerged formula floating pump, the motor includes the barrel and fixes upper end cover and the lower extreme cover at the barrel both ends, be equipped with waterproof joint one on the upper end cover, the barrel internal fixation has rotor and stator, the lower extreme cover is passed to the one end of rotor, the embedded groove has been seted up respectively to the both ends face of barrel, sealing washer one inlays to be established in the embedded groove, the medial surface of upper end cover and lower extreme cover all supports and leans on corresponding sealing washer one. Inside water joint can prevent moisture to enter into the motor through the electric wire, sealing washer one cooperation embedded groove can be better fix the sealing washer one on the barrel, in addition, this structure enables the both ends of the barrel of the better laminating of upper end cover and lower end cover, prevents moisture and contained silt to permeate through in the gap infiltration motor of motor to the realization prevents the motor because of the too much short circuit that leads to of inclusion foreign matter.

In foretell safe semi-submerged formula floating pump, the outer terminal surface of bottom end cover is equipped with the oil blanket, the oil blanket is passed to the one end of rotor, be equipped with the division board in the sealed chamber, the sealed chamber passes through the division board and divide into primary seal chamber and secondary seal chamber, primary seal chamber is close to the holding chamber relative secondary seal chamber, the position that is close to secondary seal chamber on the pump body supports and leans on the bottom end cover, seal assembly includes water retaining ring and mechanical seal, mechanical seal sets up in primary seal chamber, the water retaining ring sets up in secondary seal chamber, the outside face of oil blanket pastes and leans on the top surface of water retaining ring, the one end of rotor is fixed with centrifugal impeller after passing water retaining ring, division board and mechanical seal. The primary sealing cavity, the secondary sealing cavity and the partition plate are matched with the water retaining ring, the mechanical seal and the oil seal, so that water flow in the accommodating cavity can be prevented from permeating into the motor through the rotor.

In the above-mentioned safe semi-submersible type floating pump, the pump body includes last spiral case and lower spiral case, go up the spiral case and be equipped with the sealed pad down between the spiral case, go up the spiral case and be connected through the fastener between the spiral case down, the chamber that absorbs water is located the spiral case down, the sealed chamber is located the spiral case, go out water cavity and holding chamber and all form through going up the spiral case and merging down the spiral case. The structure can realize quick disassembly and replacement when the centrifugal impeller or other parts in the pump body are damaged; the sealing gasket is arranged to prevent water pumped into the accommodating cavity from the water inlet from permeating through the gap between the upper volute and the lower volute and running off to the outside, and the water pumping efficiency of the pump body is improved.

In foretell safe semi-submerged formula floating pump, the position that is close to the chamber that absorbs water on the spiral case down has seted up the water inlet, the position that is close to the water inlet in the spiral case down is equipped with the filter screen, the filter screen covers the water inlet completely. The filter screen can carry out primary filtration to the moisture of drawing in.

In the above-mentioned safe semi-submersible floating pump, the position of the outer side surface of the cylinder near the top is provided with a fixed ring along the circumference of the cylinder, the section of the floating body is ring-shaped, and the position of the top surface of the floating body near the inner ring is abutted against the bottom surface of the fixed ring. The fixing ring can be abutted against the floating body, the motor and the pump body float on the water surface through the buoyancy of the floating body, and the water pump is prevented from sucking silt and other magazines accumulated at the bottom of the water.

In the safe semi-submersible floating pump, the position, close to the water outlet, of the bottom of the floating body is inwards sunken to form a relief opening, and the width of the relief opening is larger than the outer diameter of the water outlet. The water outlet pipe can be more conveniently sleeved on the water outlet of the water pump by a user due to the arrangement of the position opening.

In foretell safe semi-submerged formula floating pump, the controller divide into box body, lid and establishes the lid on the box body and be located the circuit board of box body, lid and box body sealing connection, the circuit board with between the power and the circuit board with all through the connection of electric lines between the motor. The circuit board in the box body can be better protected from external rainwater penetration by arranging the box body and the cover body, so that the service life of the circuit board is prolonged.

In foretell safe semi-submerged formula floating pump, the both sides of box body are equipped with logical line hole respectively, two all be equipped with the water joint two in the logical line hole, the electric wire all passes through from the water joint two or the water joint one that correspond, the seal groove has all been seted up to the bottom surface of lid and the top surface of box body, the embedded sealing washer two that is equipped with of seal groove, when the lid is established on the box body the both sides of sealing washer two are laminated respectively on the bottom surface of lid and the top surface of box body. The through hole can firmly fix the waterproof connector II, and the sealing ring II is matched with the sealing groove to prevent rainwater from permeating into the box body through the gap.

Compared with the prior art, the safe semi-submersible floating pump has the advantage that the short circuit of a water pump circuit can be better prevented when the water pump works.

Drawings

FIG. 1 is a schematic diagram of the operation of the first embodiment of the safety semi-submersible floating pump.

Fig. 2 is a front sectional structural schematic diagram of the safety semi-submersible floating pump.

Fig. 3 is a schematic sectional structure view of the controller of the present safety semi-submersible floating pump.

In the figure, 1, a controller; 10. a power source; 11. a box body; 111. a sealing groove; 12. a cover body; 13. a circuit board; 14. an electric wire; 15. a second waterproof joint; 16. a through hole; 17. a second sealing ring; 2. a pump body; 20. an upper volute; 21. a lower volute; 210. a water suction cavity; 22. a gasket; 23. a water inlet; 24. a water outlet; 25. a filter screen; 26. a water outlet cavity; 27. an accommodating cavity; 28. a centrifugal impeller; 29. sealing the cavity; 290. a partition plate; 291. a primary sealed cavity; 292. a secondary sealed cavity; 3. a water retaining ring; 30. mechanical sealing; 4. a motor; 40. a barrel; 400. a fixing ring; 401. a groove is embedded; 41. a first sealing ring; 42. an upper end cover; 43. a lower end cover; 44. a waterproof joint I; 45. a rotor; 46. a stator; 47. oil sealing; 5. a float; 50. let the bit port.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 and 2, the safe semi-submersible floating pump comprises a power supply 10, a controller 1 connected with the power supply 10, a motor 4 connected with the controller 1, and a pump body 2 connected with a motor shaft of the motor 4, wherein a water inlet 23 and a water outlet 24 are formed in the pump body 2, a first sealing ring 41 is arranged in the motor 4, the motor 4 comprises a cylinder 40, an upper end cover 42 and a lower end cover 43 which are fixed at two ends of the cylinder 40, a first waterproof connector 44 is arranged on the upper end cover 42, a rotor 45 and a stator 46 are fixed in the cylinder 40, one end of the rotor 45 penetrates through the lower end cover 43, two end faces of the cylinder 40 are respectively provided with an embedded groove 401, the first sealing ring 41 is embedded in the embedded groove 401, and inner side faces of the upper end cover 42 and the lower end cover 43 are. The motor shaft of the motor 4 passes through the sealing cavity 29 and is fixed on the centrifugal impeller 28, and a sealing assembly is arranged in the sealing cavity 29. In this embodiment, the power source is a dc power source, and the motor is a dc motor.

As shown in fig. 2, the pump body 2 includes a water suction cavity 210, a water outlet cavity 26, an accommodating cavity 27 and a sealing cavity 29, the water inlet 23 is provided on the pump body 2 at a position close to the water suction cavity 210, the water outlet 24 is provided on the pump body 2 at a position close to the water outlet cavity 26, the water suction cavity 210 and the water outlet cavity 26 are both communicated with the accommodating cavity 27, the accommodating cavity 27 is provided with a centrifugal impeller 28 therein, and the sealing cavity 29 is close to the motor 4 relative to the accommodating cavity 27.

As shown in fig. 2, an oil seal 47 is provided on the outer end surface of the lower end cover 43, one end of the rotor 45 passes through the oil seal 47, a partition plate 290 is provided in the seal cavity 29, the seal cavity 29 is divided into a primary seal cavity 291 and a secondary seal cavity 292 by the partition plate 290, the primary seal cavity 291 is close to the accommodating cavity 27 relative to the secondary seal cavity 292, the position on the pump body 2 close to the secondary seal cavity 292 abuts against the lower end cover 43, the seal assembly comprises a water retaining ring 3 and a mechanical seal 30, the mechanical seal 30 is provided in the primary seal cavity 291, the water retaining ring 3 is provided in the secondary seal cavity 292, the outer side surface of the oil seal 47 abuts against the top surface of the water retaining ring 3, and one end of the rotor 45 passes through the water retaining ring 3, the partition plate 290.

As shown in fig. 2, the pump body 2 includes an upper volute 20 and a lower volute 21, a sealing gasket 22 is disposed between the upper volute 20 and the lower volute 21, the upper volute 20 and the lower volute 21 are connected by a fastening member, a water suction chamber 210 is located in the lower volute 21, a sealing chamber 29 is located in the upper volute 20, and a water outlet chamber 26 and an accommodating chamber 27 are formed by combining the upper volute 20 and the lower volute 21. A water inlet 23 is arranged on the lower volute 21 and close to the water suction cavity 210, a filter screen 25 is arranged in the lower volute 21 and close to the water inlet 23, and the filter screen 25 completely covers the water inlet 23.

As shown in fig. 2, a fixing ring 400 is provided along the circumferential direction of the cylinder 40 at a position near the top of the outer side surface of the cylinder 40, the cross section of the float 5 is circular, and the top surface of the float 5 abuts against the bottom surface of the fixing ring 400 at a position near the inner ring.

As shown in fig. 2, a floating body 5 is sleeved outside the motor 4, the bottom of the floating body 5 near the water outlet 24 is recessed inwards to form a position-giving opening 50, and the width of the position-giving opening 50 is larger than the outer diameter of the water outlet 24.

As shown in fig. 3, the controller 1 is divided into a box 11, a cover 12 covering the box 11, and a circuit board 13 located in the box 11, the cover 12 and the box 11 are hermetically connected, and the circuit board 13 is connected to the power supply 10 and the circuit board 13 is connected to the motor 4 through wires 14. Two sides of the box body 11 are respectively provided with a through hole 16, two waterproof joints 15 are arranged in the two through holes 16, the electric wire 14 passes through the corresponding waterproof joints 15 or the corresponding waterproof joints 44, the bottom surface of the cover body 12 and the top surface of the box body 11 are both provided with a sealing groove 111, a sealing ring 17 is embedded in the sealing groove 111, and when the cover body 12 is arranged on the box body 11, the two sides of the sealing ring 17 are respectively attached to the bottom surface of the cover body 12 and the top surface of the box body 11.

When floating motor 4 on the surface of water through body 5, communicate power 10 through controller 1 and supply power to motor 4, thereby it drives motor 4 and drives the centrifugal impeller 28 in the pump body 2 and rotate to order about, the centrifugal 28 wheel can be with the water in the pond through absorbing water chamber 210 suction to holding chamber 27 in, can enter into out the water chamber 26 and realize out water through delivery port 24 when holding chamber 27 water reaches a certain amount, because be equipped with seal assembly in the seal chamber 29, consequently, water and silt in the holding chamber 29 can not permeate motor 4 pivot department and cause the resistance to motor 4 rotates, in addition, because be equipped with sealing washer 41 in the motor 4, sealing washer 41 can prevent moisture and the contained silt from permeating into motor 4 through the gap of motor 4, thereby realize preventing motor 4 short circuit.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A safe semi-submersible type floating pump comprises a power supply (10), a controller (1) connected with the power supply (10), a motor (4) connected with the controller (1) and a pump body (2) connected with a motor shaft of the motor (4), wherein a water inlet (23) and a water outlet (24) are formed in the pump body (2), a floating body (5) is fixed outside the motor (4), the safe semi-submersible type floating pump is characterized in that a first sealing ring (41) is arranged in the motor (4), the pump body (2) comprises a water suction cavity (210), a water outlet cavity (26), an accommodating cavity (27) and a sealing cavity (29), the water inlet (23) is formed in the position, close to the water suction cavity (210), on the pump body (2), of the water outlet cavity (26), and the water suction cavity (210) and the water outlet cavity (26) are both communicated with the accommodating cavity (27), the centrifugal impeller is characterized in that a centrifugal impeller (28) is arranged in the accommodating cavity (27), the sealing cavity (29) is close to the motor (4) relative to the accommodating cavity (27), a motor shaft of the motor (4) penetrates through the sealing cavity (29), the centrifugal impeller (28) is fixed on the motor shaft of the motor (4), and a sealing assembly is arranged in the sealing cavity (29).

2. The safe semi-submersible floating pump according to claim 1, characterized in that the motor (4) comprises a cylinder (40) and an upper end cover (42) and a lower end cover (43) which are fixed at two ends of the cylinder (40), a waterproof joint I (44) is arranged on the upper end cover (42), a rotor (45) and a stator (46) are fixed in the cylinder (40), one end of the rotor (45) penetrates through the lower end cover (43), embedded grooves (401) are respectively formed in two end faces of the cylinder (40), a first sealing ring (41) is embedded in the embedded groove (401), and inner side faces of the upper end cover (42) and the lower end cover (43) are abutted against the corresponding first sealing ring (41).

3. The safe semi-submersible floating pump according to claim 2, characterized in that the outer end face of the lower end cover (43) is provided with an oil seal (47), one end of the rotor (45) penetrates through the oil seal (47), a partition plate (290) is arranged in the seal cavity (29), the seal cavity (29) is divided into a primary seal cavity (291) and a secondary seal cavity (292) through the partition plate (290), the primary seal cavity (291) is close to the accommodating cavity (27) relative to the secondary seal cavity (292), the pump body (2) abuts against the lower end cover (43) at a position close to the secondary seal cavity (292), the seal assembly comprises a water retaining ring (3) and a mechanical seal (30), the mechanical seal (30) is arranged in the primary seal cavity (291), the water retaining ring (3) is arranged in the secondary seal cavity (292), the outer side face of the oil seal (47) abuts against the top face of the water retaining ring (3), one end of the rotor (45) penetrates through the water retaining ring (3), the partition plate (290) and the mechanical seal (30) and then is fixed with a centrifugal impeller (28).

4. The safe semi-submersible floating pump according to claim 1, characterized in that the pump body (2) comprises an upper volute (20) and a lower volute (21), a sealing gasket (22) is arranged between the upper volute (20) and the lower volute (21), the upper volute (20) and the lower volute (21) are connected through a fastener, the water suction chamber (210) is located in the lower volute (21), the sealing chamber (29) is located in the upper volute (20), and the water outlet chamber (26) and the accommodating chamber (27) are formed by combining the upper volute (20) and the lower volute (21).

5. The safe semi-submersible floating pump according to claim 4, characterized in that the water inlet (23) is opened on the lower volute (21) near the water suction cavity (210), a filter screen (25) is arranged in the lower volute (21) near the water inlet (23), and the filter screen (25) completely covers the water inlet (23).

6. The safe semi-submersible floating pump according to claim 2, characterized in that the outer side of the cylinder (40) is provided with a fixing ring (400) near the top along the circumference of the cylinder (40), the floating body (5) has a circular ring-shaped section, and the top surface of the floating body (5) abuts against the bottom surface of the fixing ring (400) near the inner ring.

7. A safe semi-submersible floating pump according to claim 1, characterized in that the bottom of the floating body (5) near the water outlet (24) is recessed inwards to form a relief opening (50), the width of the relief opening (50) being greater than the outer diameter of the water outlet (24).

8. The safe semi-submersible floating pump according to claim 2, characterized in that the controller (1) is divided into a box body (11), a cover body (12) covering the box body (11), and a circuit board (13) positioned in the box body (11), the cover body (12) and the box body (11) are hermetically connected, and the circuit board (13) and the power source (10) and the circuit board (13) and the motor (4) are connected through wires (14).

9. The safe semi-submersible floating pump according to claim 8, characterized in that two sides of the box body (11) are respectively provided with a through hole (16), two waterproof joints two (15) are respectively arranged in the two through holes (16), the electric wire (14) passes through the corresponding waterproof joints two (15) or waterproof joints one (44), the bottom surface of the cover body (12) and the top surface of the box body (11) are respectively provided with a sealing groove (111), a sealing ring two is embedded in the sealing groove (111), and when the cover body (12) is covered on the box body (11), two sides of the sealing ring two are respectively attached to the bottom surface of the cover body (12) and the top surface of the box body (11).