CN220791585U - Amphibious swimming pool filtration system water pump - Google Patents

Abstract

The utility model relates to an amphibious swimming pool filtration system water pump, comprising: the pump body is provided with a water inlet and a water outlet; the motor is arranged in the pump body and matched with the pump body to form an impeller cavity, and comprises a motor shell, a stator coil and a rotor; the impeller is arranged in the impeller cavity; the shielding cover comprises an inner cover and an outer cover, the inner cover is coated on the outer surface of the rotor, and the outer cover is arranged between the stator coil and the rotor and is separated from the inner cover to form a closed cavity; the stator coil is arranged between the outer cover and the motor shell, and sealant is poured between the shielding cover and the motor shell; the shielding cover is provided with a water passing hole for communicating the closed cavity and the impeller cavity. The amphibious swimming pool filtering system water pump designed by the utility model is provided with the shielding cover to isolate the motor rotor from the motor stator respectively, and the motor is directly cooled by utilizing the waterway, so that the problem of motor overheating is effectively solved, the service life of the water pump is greatly prolonged, amphibious is realized, and an additional cooling structure is not needed.

Description

Amphibious swimming pool filtration system water pump

Technical Field

The utility model relates to the technical field of water pumps, in particular to a water pump of a water-land dual-purpose swimming pool filtering system.

Background

In the prior art, existing pool filtration system water pumps are commonly used to maintain the cleanliness and circulation of pool water quality. However, in a pool filtration system pump, the operation of the pump motor stator during long-term operation can generate heat, which if not effectively dissipated, can lead to a sustained rise in motor temperature, which can lead to overheating damage to the pump, reduce its life, and even affect the circulation effect of pool water quality.

Whereas conventional solutions typically involve the addition of a heat sink or the provision of a ventilation mechanism to reduce the temperature of the water pump. However, these methods have some limitations, such as poor heat dissipation, high energy consumption, and increased complexity of the system. Some swimming pool filtering water pumps adopt a forced air cooling mode of a motor shell, but the fan has high noise and still has an unsatisfactory effect. Water-cooled designs are also adopted, but the structure is complex, and the device is not suitable for large-scale popularization and application.

Disclosure of Invention

In order to solve the problems, the utility model provides the amphibious swimming pool filtering system water pump which is simple in structure, efficient in heat dissipation and quiet in running.

In order to achieve the above object, the amphibious swimming pool filter system water pump of the present utility model comprises:

the pump body is provided with a water inlet and a water outlet;

the motor is arranged in the pump body and matched with the pump body to form an impeller cavity, the water inlet is communicated with the water outlet through the impeller cavity, and the motor comprises a motor shell, a stator coil and a rotor;

the impeller is arranged in the impeller cavity;

further comprises:

the shielding cover comprises an inner cover and an outer cover, the inner cover is coated on the outer surface of the rotor, and the outer cover is arranged between the stator coil and the rotor and is separated from the inner cover to form a closed cavity; the stator coil is arranged between the outer cover and the motor casing, and sealant is poured between the shielding cover and the motor casing; the rotor shaft of the rotor extends into the impeller cavity and is coaxially and fixedly connected with the impeller; and the shielding cover is provided with a water passing hole for communicating the closed cavity and the impeller cavity. The waterproof and impurity-preventing functions of the motor can be achieved through the sealant, so that the waterproof grade of the water pump reaches IP68.

In order to seal the rotor in the cavity and realize the communication between the cavity and an external waterway, the outer cover comprises a cover body and a cover body, the rotor is arranged in the cover body, and the cover body is arranged in an opening way towards one side of the area where the impeller is positioned; the cover body is fixed at the opening of the cover body and is tightly matched with the motor casing, and the water passing hole is formed in the cover body.

In order to improve the heat dissipation efficiency of the motor, a plurality of water passing holes are formed, and the water passing holes are distributed at intervals along the circumferential direction of the rotor shaft of the rotor.

In order to make the water flow easier to enter the closed cavity, the surface of the cover body is provided with a concave part, and the water passing hole is arranged on the concave part.

In order to promote the leakproofness of shield cover structure, the pump body includes the body and covers with body fixed connection's pump, water inlet and delivery port are located the pump and are covered, the motor casing is located this internal and form with the cooperation of pump cover the impeller chamber, the cover body is the edge that the opening set up one side and outwards buckles and be formed with first hem, the cover body edge outwards buckles and is formed with the second hem with first hem adaptation, the second hem hasp is fixed on first hem and is compressed tightly by pump cover and motor casing, and is equipped with sealing washer between second hem and the first hem.

The pump cover is characterized in that the inner wall of the pump cover is provided with a first annular step surface and a second annular step surface, the inner diameter of the first annular step surface and the inner diameter of the second annular step surface are gradually decreased, one side, opposite to the first folded edge, of the sealing gasket is provided with an annular protruding portion, and when the pump cover is fixedly connected with the body, the second annular step surface is abutted against the sealing gasket through the second folded edge to form sealing fit, and the first annular step surface is abutted against the first folded edge through the annular protruding portion to form sealing fit.

In order to reduce the noise when the water pump operates, the water pump further comprises a shaft sleeve used for supporting the rotating shaft to rotate, the shaft sleeve is a ceramic shaft sleeve, and a bracket used for fixing the shaft sleeve is arranged in the outer cover.

To prevent interference with the motor, the shield is made of non-magnetic stainless steel.

In order to improve the efficiency of the water pump, the impeller is of a closed impeller structure.

In order to provide a supporting foundation for the water pump, a base is further arranged at the bottom of the pump body.

The amphibious swimming pool filtering system water pump designed by the utility model is provided with the shielding cover to isolate the motor rotor from the motor stator respectively, and the motor is directly cooled by utilizing the waterway, so that the problem of motor overheating is effectively solved, the service life of the water pump is greatly prolonged, amphibious is realized, and an additional cooling structure is not needed.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an exploded perspective view of the utility model;

FIG. 3 is a cross-sectional view of the present utility model;

fig. 4 is an enlarged schematic view at a in fig. 2.

Wherein: the closed chamber 10, the pump body 1, the water inlet 11, the water outlet 12, the body 13, the pump cover 14, the first annular step surface 15, the second annular step surface 16, the base 17, the motor 2, the motor casing 21, the stator coil 22, the rotor 23, the rotor shaft 231, the impeller cavity 3, the impeller 4, the shielding cover 5, the inner cover 51, the outer cover 52, the cover 53, the first folded edge 531, the cover 54, the concave portion 541, the second folded edge 542, the water passing hole 6, the sealant 7, the sealing gasket 8, the annular protruding portion 81, the shaft sleeve 9, and the bracket 91.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Example 1.

As shown in fig. 1-4, the water pump of the amphibious swimming pool filtration system described in this embodiment comprises:

the pump body 1 is provided with a water inlet 11 and a water outlet 12;

the motor 2 is arranged in the pump body 1 and is matched with the pump body 1 to form an impeller cavity 3, the water inlet 11 is communicated with the water outlet 12 through the impeller cavity 3, and the motor 2 comprises a motor shell 21, a stator coil 22 and a rotor 23;

the impeller 4 is arranged in the impeller cavity 3;

further comprises:

the shielding cover 5, the shielding cover 5 comprises an inner cover 51 and an outer cover 52, the inner cover 51 is coated on the outer surface of the rotor 23, and the outer cover 52 is arranged between the stator coil 22 and the rotor 23 and is separated from the inner cover 51 to form a closed cavity 10; the stator coil 22 is arranged between the outer cover 52 and the motor casing 21, and sealant 7 is poured between the shielding cover 5 and the motor casing 21; a rotor shaft 231 of the rotor 23 extends into the impeller cavity 3 and is fixedly connected with the impeller 4 in a coaxial manner; the shielding cover 5 is provided with a water passing hole 6 for communicating the closed cavity 10 and the impeller cavity 3. The following describes an application scenario of the water pump as a water pump of a swimming pool filtering system: when the water pump works, the pump body 1 is communicated with a waterway through the water inlet 11 and the water outlet 12, when the motor 2 is not started, water fills the impeller cavity 3 through the water inlet 11, at the moment, water enters the closed cavity 10 from the water passing hole 6, when the filtering system works, the motor 2 is started to drive the impeller 4 to rotate, so that the water entering the impeller cavity 3 is accelerated by the rotating impeller 4 and then discharged into a swimming pool or other application places through the water outlet 12, and in the embodiment, the impeller 4 is of a closed impeller structure so as to improve the pumping efficiency of the water pump; while the impeller 4 operates, the rotor 23 rotates at a high speed to form negative pressure in the closed chamber 10, so that when air in the closed chamber 10 is discharged through the water passing hole 6 on the shielding cover 5, water in the impeller chamber 3 is synchronously sucked into the closed chamber 10 from the water passing hole 6 until the air in the closed chamber 10 is emptied and filled with water in the closed chamber 10, thereby realizing direct cooling of the rotor 23 by water flow sucked into the closed chamber 10, the inner cover 51 and the outer cover 52 isolate the rotor 23 and the stator coil 22 from water flow respectively, and the water flow and impurities are prevented from entering the motor 2 by the sealant 7 between the outer cover 52 and the motor casing 21, so that the water pump can reach IP68 to protect the normal operation of the motor 2, and thus, heat generated by the operation of the stator coil 22 and the rotor 23 can be conducted to the water flow in the closed chamber 10 through the shielding cover 5, and heat generated by the stator coil 22 is taken away along with the water flow in the closed chamber 10, so that the risk of overheating of the motor is reduced. In this embodiment, the shielding case 5 is made of non-magnetic stainless steel, so that the shielding case 5 does not interfere with the magnetic field of the stator coil 22 when the motor 2 is in operation, and ensures that heat generated by the stator coil 22 can be quickly conducted to the water flow inside the closed inner cavity 51 through the shielding case 5.

In some embodiments, as shown in fig. 3 and fig. 4, the housing 52 includes a cover 53 and a cover 54, the rotor 23 is disposed inside the cover 53, and the cover 53 is disposed with an opening toward a side of the area where the impeller 4 is located; the cover 54 is fixed at the opening of the cover 53 and is tightly matched with the motor casing 21, and the water passing hole 6 is arranged on the cover 54. In this embodiment, the outer cover 52 adopts a combined structure of the cover 53 and the cover 54, and one side of the cover 53 is opened to facilitate the installation of the rotor 23, and the water passing hole 6 is arranged on the cover 54 to realize the communication between the closed inner cavity 51 and the impeller cavity 3.

In some embodiments, as shown in fig. 2 and 3, the water passing holes 6 are provided in plurality, and the plurality of water passing holes 6 are circumferentially spaced along the rotor shaft 231 of the rotor 23. The arrangement of the water passing holes 6 can ensure that the water flow uniformly covers the whole periphery of the rotor 23, so that the heat of the rotor 23 and the stator coil 22 is maximally taken away in the heat dissipation process, and the heat generated by the motor 2 can be taken away more rapidly and uniformly, thereby avoiding the problem of local overheating.

In some embodiments, as shown in fig. 2 and 3, a recess 541 is formed on the surface of the cover 54, and the water hole 6 is formed in the recess 541. The recess 541 is configured to disturb the water flowing around the water hole 6, so that the water is more easily drained into the closed chamber 10 through the water hole 6, thereby promoting water exchange.

In some embodiments, as shown in fig. 2 and fig. 4, in order to improve the tightness of the structure of the shielding cover 5, the pump body 1 includes a body 13 and a pump cover 14 fixedly connected with the body 13, the water inlet 11 and the water outlet 12 are disposed on the pump cover 14, the motor casing 21 is disposed in the body 13 and cooperates with the pump cover 14 to form the impeller cavity 3, an edge of one side of the cover 53, which is disposed with an opening, is bent outwards to form a first folded edge 531, an edge of the cover 54 is bent outwards to form a second folded edge 542 adapted to the first folded edge 531, the second folded edge 542 is snapped on the first folded edge 531 and is pressed and fixed by the pump cover 14 and the motor casing 21, and a sealing gasket 8 is disposed between the second folded edge 542 and the first folded edge 531. The flange structure can enable the cover body 53 and the cover body 54 to be in butt joint better, meanwhile, the pump cover 14 and the motor shell 21 are utilized to compress and fix the cover body and the motor shell, the assembly process is simplified, and meanwhile, the sealing gasket 8 is arranged between the two flange edges, so that the sealing performance of the shielding cover 5 can be enhanced, and water flow is prevented from leaking into the motor 2 from the joint of the cover body 53 and the cover body 54.

Further, the inner wall of the pump cover 14 is provided with a first annular step surface 15 and a second annular step surface 16, the inner diameters of the first annular step surface 15 and the second annular step surface 16 decrease gradually, an annular protruding portion 81 is arranged on one side, opposite to the first folded edge 531, of the sealing gasket 8, and when the pump cover 14 is fixedly connected with the body 13, the second annular step surface 16 abuts against the sealing gasket 8 through a second folded edge 542 to form sealing fit, and the first annular step surface 15 abuts against the first folded edge 531 through the annular protruding portion 81 to form sealing fit. Through setting up the annular step face that gradually decreases at pump cover 14 inner wall to and set up annular protruding portion 81 in sealing washer 8's relevant position, realized the inseparable seal of multilayer, when pump cover 14 is connected with body 13, first annular step face 15 and second annular step face 16 offset with sealing washer 8's sealing portion, have formed efficient sealing fit, this has guaranteed that the water pump does not have water or impurity seepage in the course of the work, ensures the high-efficient operation of water pump.

In some embodiments, as shown in fig. 3, in order to reduce noise when the water pump is operated, the water pump further comprises a shaft sleeve 9 for supporting the rotor shaft 231 to rotate, the shaft sleeve 9 is a ceramic shaft sleeve, and a bracket 91 for fixing the shaft sleeve 9 is arranged in the outer cover 52. Ceramic materials have a low coefficient of friction and vibration conductivity, so they can reduce the noise level generated during operation compared to conventional metal bushings, because the rotor 23 operates by being immersed in water, the bushing 9 made of ceramic is relatively stable in performance under different temperature and humidity conditions, is not easily deformed by environmental changes, and thus helps to maintain stable working performance; the use of the bracket 91 helps stabilize and secure the ceramic sleeve.

In some embodiments, as shown in fig. 1, in order to provide a supporting base for the water pump, a base 17 is further provided at the bottom of the pump body 1.

The amphibious swimming pool filtration system water pump that this embodiment provided sets up the shield cover structure and keeps apart motor rotor and stator respectively to utilize the water route to directly cool off the motor, effectively solve motor overheat problem, promote water pump service life by a wide margin, realize amphibious, need not extra cooling structure.

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. An amphibious pool filtration system water pump comprising:

the pump body (1) is provided with a water inlet (11) and a water outlet (12);

the motor (2) is arranged in the pump body (1) and is matched with the pump body (1) to form an impeller cavity (3), the water inlet (11) is communicated with the water outlet (12) through the impeller cavity (3), and the motor (2) comprises a motor shell (21), a stator coil (22) and a rotor (23);

the impeller (4) is arranged in the impeller cavity (3);

it is characterized by also comprising:

the shielding cover (5), the shielding cover (5) comprises an inner cover (51) and an outer cover (52), the inner cover (51) is coated on the outer surface of the rotor (23), and the outer cover (52) is arranged between the stator coil (22) and the rotor (23) and is separated from the inner cover (51) to form a closed cavity (10); the stator coil (22) is arranged between the outer cover (52) and the motor casing (21), and sealant (7) is poured between the shielding cover (5) and the motor casing (21); a rotor shaft (231) of the rotor (23) extends into the impeller cavity (3) and is fixedly connected with the impeller (4) in a coaxial way; the shielding cover (5) is provided with a water passing hole (6) for communicating the closed cavity (10) and the impeller cavity (3).

2. An amphibious swimming pool filter system water pump according to claim 1, wherein the outer cover (52) comprises a cover body (53) and a cover body (54), the rotor (23) is arranged inside the cover body (53), and the cover body (53) is arranged towards one side of the area where the impeller (4) is arranged in an opening manner; the cover body (54) is fixed at the opening of the cover body (53) and is tightly matched with the motor casing (21), and the water passing hole (6) is arranged on the cover body (54).

3. An amphibious swimming pool filtration system water pump as claimed in claim 2, wherein a plurality of water passing holes (6) are provided, the plurality of water passing holes (6) being circumferentially spaced along the rotor shaft (231) of the rotor (23).

4. An amphibious swimming pool filtration system water pump as claimed in claim 3, wherein the cover (54) has a recess (541) in the surface thereof, and the water passing holes (6) are provided in the recess (541).

5. Amphibious swimming pool filtration system water pump according to claim 2, wherein the pump body (1) comprises a body (13) and a pump cover (14) fixedly connected with the body (13), the water inlet (11) and the water outlet (12) are arranged on the pump cover (14), the motor casing (21) is arranged in the body (13) and is matched with the pump cover (14) to form the impeller cavity (3), the edge of the cover body (53) on one side of which the opening is arranged is outwards bent to form a first folded edge (531), the edge of the cover body (54) is outwards bent to form a second folded edge (542) matched with the first folded edge (531), the second folded edge (542) is buckled on the first folded edge (531) and is tightly fixed by the pump cover (14) and the motor casing (21), and a sealing gasket (8) is arranged between the second folded edge (542) and the first folded edge (531).

6. The amphibious swimming pool filter system water pump according to claim 5, wherein the inner wall of the pump cover (14) is provided with a first annular step surface (15) and a second annular step surface (16) with the inner diameters decreasing in sequence, one side of the sealing gasket (8) opposite to the first folded edge (531) is provided with an annular protruding part (81), and when the pump cover (14) is fixedly connected with the body (13), the second annular step surface (16) abuts against the sealing gasket (8) through a second folded edge (542) to form sealing fit, and the first annular step surface (15) abuts against the first folded edge (531) through the annular protruding part (81) to form sealing fit.

7. An amphibious swimming pool filtration system water pump as claimed in claim 1, further comprising a sleeve (9) for supporting the rotor shaft (231) for rotation, the sleeve (9) being a ceramic sleeve and a bracket (91) for fixing the sleeve (9) being provided in the housing (52).

8. Amphibious swimming pool filtration system water pump according to claim 1, wherein the shield (5) is made of non-magnetic stainless steel.

9. Amphibious swimming pool filtration system water pump according to claim 1, wherein the impeller (4) is of closed impeller construction.

10. Amphibious swimming pool filter system water pump according to claim 1, characterized in that the bottom of the pump body (1) is also provided with a base (17).