CN214788058U - Energy-efficient frequency conversion water pump - Google Patents

Abstract

The utility model discloses a high-efficiency energy-saving variable-frequency water pump, which comprises a pump body, a pump shell, a front cover and a rear cover; the front cover and the rear cover are clamped in the front and the rear of the pump shell, and the pump shell is covered on the pump body; a motor is arranged in the pump body and comprises a stator component and a rotor component, and one end of the rotor component is connected with an impeller; the pump shell is provided with a first cavity, the rotor assembly is arranged in the first cavity, and the stator assembly is arranged outside the first cavity and sleeved with the first cavity; the pump body is provided with a water inlet and a water outlet; the rotor assembly comprises a rotor, a first supporting bearing, a second supporting bearing and a thrust bearing, the first supporting bearing and the second supporting bearing are respectively sleeved at two ends of the rotor, and the thrust bearing is sleeved at the end part of the first cavity; the first supporting bearing and the second supporting bearing are respectively sleeved with a shaft sleeve, and the shaft sleeve on the first supporting bearing is used for sealing the opening of the first cavity; the work of the motor is changed through the frequency converter, so that the water flow is adjusted; the efficiency is higher and the energy is saved.

Description

Energy-efficient frequency conversion water pump

Technical Field

The utility model relates to a suction equipment technical field especially relates to an energy-efficient frequency conversion water pump.

Background

The submersible pump is a water lifting machine with a motor and a water pump directly connected into a whole to be submerged into water for working, and has the advantages of simple structure, high unit efficiency, low noise, safe and reliable operation and convenient installation and maintenance.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a high-efficiency energy-saving variable-frequency water pump.

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

a high-efficiency energy-saving variable-frequency water pump comprises a pump body, a pump shell, a front cover and a rear cover; the front cover and the rear cover are clamped in front of and behind the pump shell, and the pump shell is covered on the pump body; a motor is arranged in the pump body and comprises a stator assembly and a rotor assembly, and one end of the rotor assembly is connected with an impeller; the pump shell is provided with a first cavity, the rotor assembly is arranged in the first cavity, and the stator assembly is arranged outside the first cavity and sleeved with the first cavity; the pump body is provided with a water inlet and a water outlet, a second cavity is formed at the joint of the water inlet and the water outlet, and the impeller is arranged in the second cavity; the rotor assembly comprises a rotor, a first supporting bearing, a second supporting bearing and a thrust bearing, the first supporting bearing and the second supporting bearing are respectively sleeved at two ends of the rotor, and the thrust bearing is sleeved at the end part of the first cavity; first support bearing with all the cover is equipped with the axle sleeve on the second support bearing, first support bearing is located first cavity opening part, the axle sleeve on the first support bearing is used for sealing first cavity opening part.

Preferably, a control panel and a frequency converter are further arranged in the pump shell; the frequency converter is electrically connected with the control panel.

Preferably, the stator assembly is electrically connected with the control board.

Preferably, the water inlet and the water outlet are both provided with threads; the water inlet is connected with the water inlet pipe through threads, and the water outlet is connected with the water outlet pipe through threads.

Preferably, the front cover is provided with a plurality of first through holes.

Preferably, the rear cover is provided with a second through hole for connecting an external power line with the control panel through the second through hole.

Preferably, a first sealing ring is arranged at the second through hole to prevent external water from entering the pump shell.

Preferably, the pump body is further provided with a base.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model relates to a high-efficiency energy-saving variable-frequency water pump, before the water pump is started, the second cavity and the water inlet pipe are filled with water, the water pump is started, the control panel controls the motor to move, and the rotor rotates to drive the water pump to rotate; after the water pump runs, under the action of centrifugal force generated by high-speed rotation of the impeller, water in the second cavity is thrown to the periphery and pressed in, the inlet of the impeller forms vacuum, and water in the water pool is sucked along the water inlet pipe under the external atmospheric pressure and is replenished into the second cavity; the sucked water is thrown out by the impeller through the second cavity and enters the water outlet pipe. Therefore, if the impeller rotates continuously, water can be continuously sucked and pressed, and the water can be continuously lifted from a low position to a high position or a far position; the shaft sleeve on the first support bearing is used for sealing the opening of the first cavity; the work of the motor is changed through the frequency converter, so that the water flow is adjusted; the water inlet is connected with a water inlet pipe through threads, and the water outlet is connected with a water outlet pipe through threads; the water inlet pipe or the water outlet pipe with corresponding size can be connected with connectors with different types; the method is more applicable; the water inlet can be not connected with a water inlet pipe, and water flow directly enters the water inlet from the first through hole; the first through hole can filter impurities with the area larger than that of the first through hole; a first sealing ring is arranged at the second through hole and used for preventing external water from entering the pump shell; the rotor adopts a ceramic rotating shaft, is wear-resistant and long in service life, and is suitable for both fresh water and seawater; and the pump body is filled with a cooling object to cool the objects in the pump body.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic view of another angle structure proposed by the present invention;

fig. 3 is a cross-sectional view of the present invention;

fig. 4 is an exploded view of the present invention.

Illustration of the drawings:

1. a pump body, a pump body 2 and a pump shell,

3. a front cover, a rear cover and a front cover 4,

5. the stator assembly, 6, the rotor assembly,

7. an impeller (11) and a water inlet,

12. a water outlet 13, a second cavity body,

14. a control board 15, a frequency converter,

16. a base 21, a first cavity body,

31. a first through hole, 41, a second through hole,

42. the first sealing ring, 61, the rotor,

62. a first support bearing, 63, a second support bearing,

64. thrust bearing, 65, axle sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; 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.

Referring to fig. 1 to 4, the high-efficiency energy-saving variable frequency water pump comprises a pump body 1, a pump shell 2, a front cover 3 and a rear cover 4; the front cover 3 and the rear cover 4 are clamped in the front and the rear of the pump shell 2, and the pump shell 2 is covered on the pump body 1; a motor is arranged in the pump body 1, the motor comprises a stator assembly 5 and a rotor assembly 6, and one end of the rotor assembly 6 is connected with an impeller 7; the pump shell 2 is provided with a first cavity 21, the rotor assembly 6 is arranged in the first cavity 21, and the stator assembly 5 is arranged outside the first cavity 21 and sleeved with the first cavity 21; the pump body 1 is provided with a water inlet 11 and a water outlet 12, a second cavity 13 is formed at the joint of the water inlet 11 and the water outlet 12, and the impeller 7 is arranged in the second cavity 13; the rotor assembly 6 comprises a rotor 61, a first supporting bearing 62, a second supporting bearing 63 and a thrust bearing 64, wherein the first supporting bearing 62 and the second supporting bearing 63 are respectively sleeved at two ends of the rotor 61, and the thrust bearing 64 is sleeved at the end part of the first cavity 21; all the sleeves 65 are sleeved on the first supporting bearing 62 and the second supporting bearing 63, the first supporting bearing 62 is located at the opening of the first cavity 21, and the sleeve 65 on the first supporting bearing 62 is used for sealing the opening of the first cavity 21.

Wherein, a control panel 14 and a frequency converter 15 are also arranged in the pump body 1; the frequency converter 14 is electrically connected with the control panel 15; the work of the motor is changed through the frequency converter 15, so that the water flow is adjusted; the stator assembly 5 is electrically connected with the control board 15.

The water inlet 11 and the water outlet 12 are both provided with threads; the water inlet 11 is connected with a water inlet pipe through threads, and the water outlet 12 is connected with a water outlet pipe through threads; the water inlet pipe or the water outlet pipe with corresponding size can be connected with connectors with different types; is more suitable for use.

The front cover 3 is provided with a plurality of first through holes 31; the water inlet 11 can be not connected with a water inlet pipe, and water flow directly enters the water inlet 11 from the first through hole 31; and the first through holes 31 may filter out foreign substances having an area larger than that of the first through holes 31.

The rear cover 4 is provided with a second through hole 41 for connecting an external power line with the control panel 15 through the second through hole 41; a first sealing ring 42 is disposed at the second through hole 41 to prevent external water from entering the pump housing 2.

The rotor 61 adopts a ceramic rotating shaft, is wear-resistant and long in service life, and is suitable for both fresh water and seawater; and the pump body 1 is filled with a cooling object for cooling the object in the pump body 1.

The pump body 1 is further provided with a base 16, and the pump body 1 is more stably placed on a table top through the base 16 and cannot be moved easily.

The utility model discloses a theory of operation: before the water pump is started, the second cavity 13 and the water inlet pipe are filled with water, the water pump is started, the control panel 15 controls the motor to move, and the rotor 61 rotates to drive the impeller 7 to rotate; after the water pump runs, under the action of centrifugal force generated by high-speed rotation of the impeller 7, water in the second cavity 13 is thrown to the periphery and pressed in, the inlet of the impeller 7 forms vacuum, and water in the water pool is sucked into the second cavity 13 along the water inlet pipe under the external atmospheric pressure; the sucked water is then thrown out by the impeller 7 through the second chamber 13 into the outlet pipe. Therefore, if the impeller 7 rotates continuously, water can be continuously sucked and pressed, and the water can be continuously lifted from a low position to a high position or a far position.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims (8)

1. A high-efficiency energy-saving variable-frequency water pump is characterized by comprising a pump body, a pump shell, a front cover and a rear cover; the front cover and the rear cover are clamped in front of and behind the pump shell, and the pump shell is covered on the pump body; a motor is arranged in the pump body and comprises a stator assembly and a rotor assembly, and one end of the rotor assembly is connected with an impeller; the pump shell is provided with a first cavity, the rotor assembly is arranged in the first cavity, and the stator assembly is arranged outside the first cavity and sleeved with the first cavity; the pump body is provided with a water inlet and a water outlet, a second cavity is formed at the joint of the water inlet and the water outlet, and the impeller is arranged in the second cavity; the rotor assembly comprises a rotor, a first supporting bearing, a second supporting bearing and a thrust bearing, the first supporting bearing and the second supporting bearing are respectively sleeved at two ends of the rotor, and the thrust bearing is sleeved at the end part of the first cavity; first support bearing with all the cover is equipped with the axle sleeve on the second support bearing, first support bearing is located first cavity opening part, the axle sleeve on the first support bearing is used for sealing first cavity opening part.

2. The high-efficiency energy-saving variable-frequency water pump according to claim 1, characterized in that a control panel and a frequency converter are further arranged in the pump shell; the frequency converter is electrically connected with the control panel.

3. The efficient energy-saving variable-frequency water pump according to claim 2, wherein the stator assembly is electrically connected with the control board.

4. The efficient energy-saving variable-frequency water pump according to claim 1, wherein the water inlet and the water outlet are both provided with threads; the water inlet is connected with the water inlet pipe through threads, and the water outlet is connected with the water outlet pipe through threads.

5. The efficient energy-saving variable-frequency water pump as claimed in claim 1, wherein the front cover is provided with a plurality of first through holes.

6. The efficient energy-saving variable-frequency water pump as claimed in claim 2, wherein the rear cover is provided with a second through hole for an external power line to pass through and be connected with the control panel.

7. The efficient energy-saving variable frequency water pump according to claim 6, wherein a first sealing ring is arranged at the second through hole for preventing external water from entering the pump shell.

8. The efficient energy-saving variable-frequency water pump according to claim 1, wherein the pump body is further provided with a base.

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