CN214543849U

CN214543849U - Water pump motor rotor structure

Info

Publication number: CN214543849U
Application number: CN202023183114.4U
Authority: CN
Inventors: 吴昌友
Original assignee: Wuxi Shifa General Pump Motor Co ltd
Current assignee: Wuxi Shifa General Pump Motor Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-10-29
Anticipated expiration: 2030-12-25

Abstract

The utility model discloses a water pump motor rotor structure, including rotor core, rotor core's inside is provided with the rotor shaft, and the one end of rotor shaft is fixed with the gusset plate, and the side of gusset plate is fixed with the rotating-rod, and open one side of rotor core has the stiffening groove, and the gusset plate inserts the stiffening groove. The gusset plate increases the joint strength of one end rotor shaft and rotor core, and first gusset bar and second gusset bar increase the joint strength of other end rotor shaft and rotor core for be fully connected between rotor shaft and the rotor core, reduce the fatigue strength of rotor shaft, increase of service life. The rotating rod and the first reinforcing rod rotate along with the rotor shaft to form air flow to dissipate heat of the rotor. The first sealing gasket and the second sealing gasket are arranged at two ends of the shaft hole, so that the inside of the shaft hole is kept clean, and the abrasion of the rotor shaft is reduced through the abrasion-resistant layer.

Description

Water pump motor rotor structure

Technical Field

The utility model belongs to the technical field of rotor structure, specifically be a water pump motor rotor structure.

Background

An electric motor is a commonly used power-providing machine. The basic structure of the motor comprises a shell, a stator, a rotor and a power output shaft; when a direct current is applied to the stator to generate a fixed magnetic field, and a current is also applied to the rotor, the rotor is subjected to a force in the magnetic field according to the force applied to the current-carrying conductor, and then the rotor is subjected to a force after being electrified to rotate, so that electric energy is converted into mechanical energy.

The invention discloses a dynamic balance structure of a water pump motor rotor in 24.11.2020/11.78 of the Chinese patent of the patent publication No. CN212012377U, which comprises a rotating shaft, a rotor core is fixed on the rotating shaft, a plurality of ferrite magnetic shoes which are closely connected are covered on the outer side of the rotor core, a plurality of balance holes are respectively and uniformly arranged at the two end parts of the rotor core, and balance nails are arranged in the balance holes according to the balance condition. The dynamic balance structure of the water pump motor rotor can realize that the balance nails are added at the required positions to carry out weighted balance, and simultaneously can carry out weight removal balance at the required positions, thereby greatly reducing the unbalance amount of the motor rotor and reducing the working vibration and noise of the motor; meanwhile, the dynamic balance structure greatly reduces the dynamic balance time, improves the production efficiency of products, can be applied to a water-cooled water pump motor, and prevents the motor from working failure.

In the existing water pump motor rotor structure, the connection strength between the rotor shaft and the rotor iron core is low, the fixed connection is insufficient, the fatigue strength of the rotor shaft can be increased, and the service life of the rotor shaft can be shortened; in addition, the rotor generates heat in the rotating process, but the heat dissipation is slow, so that the use of the rotor is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a water pump motor rotor structure to it is lower to solve joint strength between rotor shaft and the rotor core, and fixed connection's is not enough, can increase the fatigue strength's of rotor shaft problem simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a water pump motor rotor structure, includes rotor core, rotor core's inside is provided with the rotor shaft, the one end of rotor shaft is fixed with the gusset plate, the side of gusset plate is fixed with the bull stick, open one side of rotor core has the stiffening groove, the gusset plate inserts the stiffening groove.

Preferably, the other end of the rotor shaft is provided with a mounting sleeve, a first reinforcing rod is fixed on the surface of the mounting sleeve, a second reinforcing rod is fixed on the side surface of the first reinforcing rod, a reinforcing hole is formed in the other side of the rotor core, and the second reinforcing rod is inserted into the reinforcing hole.

Preferably, rotor core's inside is opened there is the shaft hole, rotor shaft passes the shaft hole, rotor shaft's surface covering has the wearing layer, first sealed pad is installed to the one end in shaft hole, sealed the pad of second is installed to the other end in shaft hole.

Preferably, the reinforcing plate and the reinforcing groove are both rectangular structures, and the rotor shaft is perpendicular to the reinforcing plate.

Preferably, the rotating rod is of an L-shaped structure, and one end of the rotating rod is perpendicular to the reinforcing plate.

Preferably, the first reinforcing rods are perpendicular to the rotor shaft, the mounting sleeve is detachably mounted and connected with the rotor shaft, the six first reinforcing rods are uniformly fixed on the surface of the mounting sleeve, and the second reinforcing rods are perpendicular to the first reinforcing rods.

Preferably, the first sealing gasket is of a rectangular structure, the second sealing gasket is of a circular structure, the first sealing gasket is arranged in the reinforcing groove and clamped through the reinforcing plate, the second sealing gasket is clamped through the mounting sleeve, and the rotor shaft penetrates through the first sealing gasket and the second sealing gasket.

Compared with the prior art, the utility model discloses a water pump motor rotor structure of example:

1. the reinforcing plate is fixedly connected with the rotor shaft and then inserted into the reinforcing groove on one side of the rotor core to increase the connection strength of the rotor shaft and the rotor core at one end; first anchor strut and second anchor strut install the other end at the rotor shaft, and the second anchor strut inserts the reinforcement hole of rotor core opposite side, increases the joint strength of other end rotor shaft and rotor core for be fully connected between rotor shaft and the rotor core, reduce the fatigue strength of rotor shaft, increase of service life.

2. Be provided with rotary rod and first reinforcing bar, during the use, rotary rod and first reinforcing bar are located rotor core's both ends to rotatory along with the rotor shaft, form the air current, dispel the heat to the rotor.

3. Be provided with first sealed pad, the sealed pad of second and wearing layer, during the use, the sealed both ends in shaft hole of installing of first sealed pad and second keep the inside clean in shaft hole to through wearing layer, reduce the wearing and tearing of rotor shaft.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a right side view of fig. 1 of the present invention;

fig. 3 is a left side view of fig. 1 of the present invention.

In the figure: 1. a rotor core; 2. a shaft hole; 3. a wear layer; 4. a rotor shaft; 5. a first gasket; 6. A reinforcing plate; 7. a reinforcing groove; 8. rotating the rod; 9. reinforcing holes; 10. a second gasket; 11. a first reinforcing bar; 12. installing a sleeve; 13. a second reinforcing bar.

Detailed Description

Referring to fig. 1, a rotor structure of a water pump motor comprises a rotor core 1, wherein a rotor shaft 4 is arranged inside the rotor core 1, and the rotor shaft 4 is detachably connected with the rotor core 1; a shaft hole 2 is formed in the rotor iron core 1, and a rotor shaft 4 penetrates through the shaft hole 2; the surface of the rotor shaft 4 is covered with a wear resistant layer 3 for reducing wear of the rotor shaft 4.

Referring to fig. 1 and 2, a reinforcing plate 6 is fixed to one end of the rotor shaft 4, and the rotor shaft 4 is perpendicular to the reinforcing plate 6; the side of gusset plate 6 is fixed with rotary rod 8, and rotary rod 8 is L type structure, and the one end of rotary rod 8 is perpendicular with gusset plate 6, along with rotor shaft 4 is rotatory, forms the air current, dispels the heat to the countershaft.

Referring to fig. 1 and 2, a reinforcing groove 7 is formed in one side of the rotor core 1, the reinforcing plate 6 and the reinforcing groove 7 are both rectangular, and the reinforcing plate 6 is inserted into the reinforcing groove 7 and does not protrude out of the reinforcing groove 7, so that the connection strength between the rotor shaft 4 and the rotor core 1 is increased.

Referring to fig. 1 and 3, the other end of the rotor shaft 4 is provided with a mounting sleeve 12, and the mounting sleeve 12 is detachably connected with the rotor shaft 4, so that the first reinforcing rod 11 and the second reinforcing rod 13 are conveniently detachably mounted; the surface of the mounting sleeve 12 is fixed with first reinforcing rods 11, the first reinforcing rods 11 are perpendicular to the rotor shaft 4, and six first reinforcing rods 11 are uniformly fixed on the surface of the mounting sleeve 12.

Referring to fig. 1 and 3, second reinforcing rods 13 are fixed to the sides of the first reinforcing rods 11, and the second reinforcing rods 13 are perpendicular to the first reinforcing rods 11 and to the sides of the rotor core 1; and a reinforcing hole 9 is formed in the other side of the rotor core 1, and a second reinforcing rod 13 is inserted into the reinforcing hole 9, so that the connection strength between the rotor shaft 4 and the rotor core 1 is increased, and the rotor shaft 4 and the rotor core 1 are fully connected.

Referring to fig. 1 and 3, a first sealing gasket 5 is installed at one end of the shaft hole 2, the first sealing gasket 5 is in a rectangular structure, and the first sealing gasket 5 is installed inside the reinforcing groove 7 and clamped by a reinforcing plate 6; the other end in shaft hole 2 is installed the second and is sealed the pad 10, and the second is sealed the pad 10 and is the circular structure, and the second is sealed the pad 10 and is pressed from both sides tightly through installation cover 12.

Referring to fig. 1, 2 and 3, the rotor shaft 4 passes through the first seal gasket 5 and the second seal gasket 10, the first seal gasket 5 and the second seal gasket 10 are installed at two ends of the shaft hole 2, so as to keep the inside of the shaft hole 2 clean, and reduce the wear of the rotor shaft 4 through the wear-resistant layer 3.

The working principle of the scheme is as follows: rotor shaft 4 installs in rotor core 1's inside, and both ends seal up shaft hole 2 through first sealed 5 and the sealed 10 of second of filling up, keep the inside clean cleanness in shaft hole 2 to through wearing layer 3, reduce rotor shaft 4's wearing and tearing.

Reinforcing plate 6 and rotor shaft 4 fixed connection to inside the reinforcement groove 7 of inserting rotor core 1 one side, reinforcing

plate

6 and 7 joint erection joint in reinforcement groove increase rotor shaft 4 and rotor core 1's joint strength.

The first reinforcing rod 11 and the second reinforcing rod 13 are installed at the other end of the rotor shaft 4, the second reinforcing rod 13 is inserted into the reinforcing hole 9 at the other side of the rotor core 1, and the connection strength between the rotor shaft 4 and the rotor core 1 is increased through the first reinforcing rod 11 and the second reinforcing rod 13, so that the rotor shaft 4 and the rotor core 1 are fully connected.

The rotating rod 8 and the first reinforcing rod 11 are provided at both ends of the rotor core 1 and rotate as the rotor shaft 4 rotates, forming an air flow, which dissipates heat to the rotor.

Claims

1. The utility model provides a water pump motor rotor structure, includes rotor core (1), its characterized in that: the rotor core structure is characterized in that a rotor shaft (4) is arranged inside the rotor core (1), a reinforcing plate (6) is fixed at one end of the rotor shaft (4), a rotating rod (8) is fixed on the side face of the reinforcing plate (6), a reinforcing groove (7) is formed in one side of the rotor core (1), and the reinforcing plate (6) is inserted into the reinforcing groove (7).

2. The rotor structure of a water pump motor according to claim 1, wherein: the other end of rotor shaft (4) is installed installation cover (12), the fixed surface of installation cover (12) has first reinforcing bar (11), the side of first reinforcing bar (11) is fixed with second reinforcing bar (13), reinforcing hole (9) have been opened to the opposite side of rotor core (1), second reinforcing bar (13) insert reinforcing hole (9).

3. The rotor structure of a water pump motor according to claim 1, wherein: shaft hole (2) are opened to the inside of rotor core (1), shaft hole (2) are passed in rotor shaft (4), the surface covering of rotor shaft (4) has wearing layer (3), first sealed pad (5) are installed to the one end in shaft hole (2), the sealed pad (10) of second is installed to the other end in shaft hole (2).

4. The rotor structure of a water pump motor according to claim 1, wherein: the reinforcing plate (6) and the reinforcing groove (7) are both rectangular structures, and the rotor shaft (4) is perpendicular to the reinforcing plate (6).

5. The rotor structure of a water pump motor according to claim 1, wherein: the rotary rod (8) is of an L-shaped structure, and one end of the rotary rod (8) is perpendicular to the reinforcing plate (6).

6. The rotor structure of a water pump motor according to claim 2, wherein: the first reinforcing rods (11) are perpendicular to the rotor shaft (4), and the second reinforcing rods (13) are perpendicular to the first reinforcing rods (11).

7. A water pump motor rotor structure according to claim 3, characterized in that: the first sealing gasket (5) is of a rectangular structure, the second sealing gasket (10) is of a circular structure, and the rotor shaft (4) penetrates through the first sealing gasket (5) and the second sealing gasket (10).