CN217388400U

CN217388400U - High-efficient waterproof pump motor

Info

Publication number: CN217388400U
Application number: CN202220505980.0U
Authority: CN
Inventors: 吴正灿; 孙宝球; 杨开生
Original assignee: Zhejiang Xinli Electrical Technology Co ltd
Current assignee: Zhejiang Xinli Electrical Technology Co ltd
Priority date: 2022-03-08
Filing date: 2022-03-08
Publication date: 2022-09-06
Anticipated expiration: 2032-03-08

Abstract

The utility model relates to a motor field discloses a high-efficient waterproof pump motor, including the motor casing, install stator and rotor in the motor casing, install the motor shaft on the rotor, the rear end housing is installed to the rear end of motor casing, the front end housing is installed to the front end of motor casing, be fixed with first sealed bearing on the rear end housing, the rear end of motor shaft is fixed in first sealed bearing's inner ring, the installation through-hole has been seted up on the front end housing, the front end housing is fixed with second sealed bearing in the installation through-hole, the front end of motor shaft runs through second sealed bearing and fixes in second sealed bearing's inner ring, one side fixed mounting that the front end housing deviates from the motor casing has seal shell, be equipped with seal gasket between seal shell and the front end housing, the last first through-hole that supplies the motor shaft to pass that has of seal shell, one side that the front end housing was kept away from is uncovered. The utility model discloses can play the waterproof sealing effect of preferred to the position of the front end housing of motor, also can reduce the inside risk of weing of motor simultaneously.

Description

High-efficient waterproof pump motor

Technical Field

The utility model relates to the technical field of electric motor, especially, relate to a high-efficient waterproof pump motor.

Background

Water pumps are machines that deliver or pressurize a liquid. It transfers the mechanical energy of prime mover or other external energy to liquid to increase the energy of liquid, and is mainly used to transfer liquid including water, oil, acid-base liquid, emulsion, suspoemulsion and liquid metal. The motor for driving the water pump does not take multi-stage waterproof protection measures at the joint of the end covers, and the waterproof performance of the motor does not achieve the best effect.

In order to solve the problems, Chinese patent (No. CN 210985867U) discloses a waterproof motor for driving a water pump, which comprises a motor shell, a motor stator, a motor rotor and a rear end cover, wherein a first bearing is installed in the middle of the inner bottom wall of the motor shell, a motor shaft installation through hole is formed in the motor shell in the middle of the first bearing, the motor stator is fixed on the inner side wall of the motor shell, one end of a transmission shaft of the motor stator penetrates through the bearing and the motor shaft installation through hole, a rear end cover installation opening is formed in the other side of the motor shell, a convex installation platform is arranged near the outer wall of the motor shell of the rear end cover installation opening, and a circle of first waterproof sealing ring is installed on a plane parallel and level to the opening of the rear end cover installation opening.

Above-mentioned patent sets up two-stage waterproof construction through the rear end cap position at the motor, has improved the water-proof effects of motor rear end, but ordinary water pump motor is the front end usually and links to each other with the water pump, and the front end in the above-mentioned patent does not have better waterproof construction, and the front end of motor is intake very easily, and water pump motor is in moist environment for a long time moreover, and inside the gap entering motor of motor front end is also followed easily to the moisture, leads to the motor inside to wet.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a high-efficient waterproof pump motor has solved the problem that the front end of motor is waterproof among the prior art, dampproofing effect is not good.

The utility model discloses an above-mentioned technical problem is solved to following technical means:

a high-efficiency waterproof pump motor comprises a motor shell, wherein a stator and a rotor are installed in the motor shell, a motor shaft is installed on the rotor, a rear end cover is installed at the rear end of the motor shell, a front end cover is installed at the front end of the motor shell, a first sealing bearing is fixed on the rear end cover, the rear end of the motor shaft is fixed in an inner ring of the first sealing bearing, an installation through hole is formed in the front end cover, a second sealing bearing is fixed in the installation through hole of the front end cover, the front end of the motor shaft penetrates through the second sealing bearing and is fixed in an inner ring of the second sealing bearing, a sealing shell is fixedly installed on one side, away from the motor shell, of the front end cover, a sealing gasket is arranged between the sealing shell and the front end cover, a first through hole for the motor shaft to penetrate through is formed in the sealing shell, and one side, away from the front end cover, of the sealing shell is open, and the open end of the sealing shell is sealed and covered with a cover, a second through hole for the motor shaft to pass through is formed in the cover, an annular baffle plate is fixed in the sealing shell and divides the sealing shell into a first cavity and a second cavity, the motor shaft passes through the first cavity, a water absorbent is filled in the second cavity, and a plurality of round holes communicated with the first cavity and the second cavity are formed in the annular baffle plate.

Furthermore, a first fixed rubber ring is fixed at the first through hole of the sealing shell, a first annular sliding groove is formed in an inner ring of the first fixed rubber ring, a first sealing sliding ring is installed in the first annular sliding groove in a sliding mode, and the first sealing sliding ring is sleeved on the motor shaft.

Furthermore, a second fixed rubber ring is fixed on the cover at the second through hole, a second annular sliding groove is formed in an inner ring of the second fixed rubber ring, a second sealing sliding ring is installed in the second annular sliding groove in a sliding mode, and the second sealing sliding ring is sleeved on the motor shaft.

Further, the motor shaft is sleeved with a lantern ring, the outer side of the lantern ring is sleeved with water absorption cotton, and the water absorption cotton and the lantern ring are both located in the first cavity.

Furthermore, a second annular clamping plate is integrally formed at one end, facing the motor casing, of the front end cover, a second annular clamping groove matched with the second annular clamping plate is formed in the front end of the motor casing, and a second annular sealing gasket is arranged in the second annular clamping groove.

Furthermore, a plurality of radiating fins are fixed on the outer side wall of the motor casing.

The utility model has the advantages that: through setting up seal housing, seal gasket, ring baffle isotructure, can play the waterproof sealing effect of preferred to the position of the front end housing of motor, reduce the probability that moisture gets into in the motor casing from the junction of front end housing and motor shaft to even in moisture or moisture get into seal housing from the junction of lid and motor casing, most of moisture or moisture also can be absorbed by the water absorbent, reduce the inside probability of weing of motor.

Drawings

FIG. 1 is a schematic structural view of a high-efficiency waterproof pump motor of the present invention;

fig. 2 is a sectional view of the high-efficiency waterproof pump motor of the present invention;

fig. 3 is an enlarged schematic view of fig. 2 a according to the present invention;

wherein, 1, a motor shell; 2. a stator; 3. a rotor; 4. a motor shaft; 5. a rear end cap; 6. a front end cap; 7. a first sealed bearing; 8. a second sealed bearing; 9. sealing gaskets; 10. a cover; 11. an annular baffle; 12. a first chamber; 13. a second chamber; 14. a first fixed rubber ring; 15. a first sealing slip ring; 16. a second fixed rubber ring; 17. a second sealing slip ring; 18. a collar; 19. absorbent cotton; 20. a first annular snap gauge; 21. a first annular seal; 22. a second annular clamping plate; 23. a second annular seal; 24. a heat dissipating fin; 25. the housing is sealed.

Detailed Description

The following description is given by way of specific embodiments, and those skilled in the art will appreciate the advantages and effects of the present invention from the disclosure provided in the present specification. It should be noted that the drawings provided in the following embodiments are only for illustrative purposes, and are only schematic drawings rather than actual drawings, which should not be construed as limiting the invention, and in order to better illustrate the embodiments of the invention, some components in the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

In the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", "front", "back", etc. indicating the orientation or position relationship based on the orientation or position relationship shown in the drawings, it is only for convenience of description and simplification of description, but not for indicating or implying that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, therefore the terms describing the position relationship in the drawings are used only for exemplary illustration, and not for limiting the present invention, and those skilled in the art can understand the specific meaning according to the specific situation.

As shown in fig. 1 to 3, the high-efficiency waterproof pump motor of the present invention comprises a motor casing 1, a stator 2 and a rotor 3 are installed in the motor casing 1, a motor shaft 4 is installed on the rotor 3, a rear end cap 5 is installed at the rear end of the motor casing 1 through a bolt, a first seal bearing 7 is fixed at the middle part of the rear end cap 5, the rear end of the motor shaft 4 is fixed in an inner ring of the first seal bearing 7, a front end cap 6 is installed at the front end of the motor casing 1 through a bolt, an installation through hole is opened at the middle part of the front end cap 6, a second seal bearing 8 is fixed in the installation through hole of the front end cap 6, the front end of the motor shaft 4 passes through the second seal bearing 8 and is fixed in the inner ring of the second seal bearing 8, a seal casing 25 is installed at one side of the front end cap 6 away from the motor casing 1 through a bolt, the seal casing 25 is a circular casing structure, a first through hole for the motor shaft 4 to pass through is provided on the seal casing 25, the motor shaft 4 is connected with the first through hole in a sealing and rotating mode and penetrates through the first through hole, the sealing shell 25 can completely cover the second sealing bearing 8, the front end cover 6 is provided with a first annular installation groove, an annular sealing gasket 9 is embedded in the annular installation groove, the sealing gasket 9 surrounds the second sealing bearing 8, when the sealing shell 25 is completely installed on the front end cover 6, the sealing shell 25 is tightly abutted against the sealing gasket 9, one side, far away from the front end cover 6, of the sealing shell 25 is open, the open end of the sealing shell 25 is sealed and covered with the cover 10, the cover 10 is in threaded connection with the sealing shell 25, the cover 10 is provided with a second through hole for the motor shaft 4 to penetrate through, the motor shaft 4 is connected with the second through hole in a sealing and rotating mode and penetrates out of the second through hole, the sealing shell 25 is internally and fixedly provided with the annular baffle plate 11, and the annular baffle plate 11 divides the inner space of the sealing shell 25 into a first cavity 12 and a second cavity 13, first cavity 12 is inboard, motor shaft 4 passes first cavity 12, second cavity 13 is the outside, second cavity 13 intussuseption is filled with the water-absorbing agent, the water-absorbing agent can be silica gel or calcium chloride etc. have a plurality of first cavity 12 of intercommunication and the round hole of second cavity 13 on the ring baffle 11, through such seal structure design, can play the waterproof sealing effect of preferred to the front end housing 6 position of motor, reduce the probability that moisture gets into in motor casing 1 from the junction of front end housing 6 with motor shaft 4, and even in moisture or moisture got into seal housing 25 from the junction of lid 10 and motor casing 1, most of moisture or moisture also can be absorbed by the water-absorbing agent, reduce the inside probability of weing of motor.

Seal housing 25 is equipped with second annular mounting groove in first through-hole department, second annular mounting groove internal fixation has first fixed rubber ring 14, be equipped with first annular spout on the inner ring of first fixed rubber ring 14, the cross-section of first annular spout is semi-circular structure, sliding mounting has first sealed sliding ring 15 in the first annular spout, first sealed sliding ring 15 is O shape sealing washer, first sealed sliding ring 15 cover is on motor shaft 4, through setting up like this, realize the dynamic seal between motor shaft 4 and the first through-hole, reduce the probability that moisture or moisture pass through first through-hole.

Lid 10 is equipped with third annular mounting groove in second through-hole department, third annular mounting groove internal fixation has second fixed rubber ring 16, be equipped with second annular spout on the inner ring of second fixed rubber ring 16, the cross-section of second annular spout also is semi-circular structure, sliding mounting has the sealed sliding ring 17 of second in the second annular spout, the sealed sliding ring 17 of second also is O shape sealing washer, the sealed sliding ring 17 cover of second is on motor shaft 4, through setting up like this, realize the dynamic seal between motor shaft 4 and the second through-hole, reduce the probability that moisture or moisture pass through the second through-hole.

The cover is equipped with the lantern ring 18 on motor shaft 4, the outside cover of lantern ring 18 is equipped with cotton 19 that absorbs water, cotton 19 and lantern ring 18 that absorb water all are located first cavity 12, when the sealed effect of the fixed rubber ring 16 of second and the sealed sliding ring 17 of second is lost efficacy or when relatively poor, a large amount of moisture or moisture can be followed second through-hole department and get into in first cavity 12, at this moment, cotton 19 that absorb water can adsorb most moisture or moisture, and motor shaft 4 can drive cotton 19 rotation that absorbs water through lantern ring 18, then will absorb water moisture on the cotton 19 and get rid of to ring baffle 11 on, then get into the water absorbent through the round hole on the ring baffle 11, absorb these moisture.

Rear end housing 5 has first annular cardboard 20 towards the one end integrated into one piece of motor casing 1, be equipped with the first ring groove with first annular cardboard 20 looks adaptation on the rear end of motor casing 1, be equipped with first annular seal pad 21 in the first ring groove, when installation rear end housing 5, at first go into first ring groove with first annular cardboard 20 card in, and make first annular cardboard 20 butt on first annular seal pad 21, then at the dress bolt, it is fixed with motor casing 1 to make rear end housing 5, through setting up like this, can strengthen the sealing performance between rear end housing 5 and the motor casing 1, reduce the inside risk of moisture from the gap entering motor between 5 motor casings 1 of rear end housing.

Front end housing 6 has second annular cardboard 22 towards the one end integrated into one piece of motor casing 1, be equipped with the second annular clamping groove with second annular cardboard 22 looks adaptation on the front end of motor casing 1, be equipped with the sealed 23 of second annular clamping groove, when installation front end housing 6, at first with second annular cardboard 22 card income second annular clamping groove in, and make second annular cardboard 22 butt on the sealed 23 of second annular, then the bolt is gone up in the repacking, it is fixed with motor casing 1 to make front end housing 6, through setting up like this, can strengthen the sealing performance between front end housing 6 and the motor casing 1, reduce the inside risk of gap entering motor between 5 motor casings 1 of rear end cap moisture.

Be fixed with a plurality of radiating fins 24 on the lateral wall of motor casing 1, a plurality of radiating fins 24 are the circumference array structure and distribute on the lateral wall of motor casing 1, through these radiating fins 24, can strengthen the radiating effect of motor casing 1 to reduce the temperature of motor casing 1.

Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will understand that the present invention can be modified or replaced with other embodiments without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims. The technology, shape and construction parts which are not described in detail in the present invention are all known technology.

Claims

1. The utility model provides a high-efficient waterproof pump motor, includes the motor casing, install stator and rotor in the motor casing, install the motor shaft on the rotor, the rear end cap is installed to the rear end of motor casing, front end housing, its characterized in that are installed to the front end of motor casing: a first sealing bearing is fixed on the rear end cover, the rear end of the motor shaft is fixed in an inner ring of the first sealing bearing, an installation through hole is formed in the front end cover, a second sealing bearing is fixed in the installation through hole of the front end cover, the front end of the motor shaft penetrates through the second sealing bearing and is fixed in the inner ring of the second sealing bearing, a sealing shell is fixedly installed on one side of the front end cover, which is far away from the motor shell, a sealing gasket is arranged between the sealing shell and the front end cover, a first through hole for the motor shaft to pass through is formed in the sealing shell, one side of the sealing shell, which is far away from the front end cover, is open, a cover is sealed at the open end of the sealing shell, a second through hole for the motor shaft to pass through is formed in the cover, an annular baffle is fixed in the sealing shell, and the sealing shell is divided into a first cavity and a second cavity by the annular baffle, the motor shaft penetrates through the first chamber, the water absorbent is filled in the second chamber, and the annular baffle plate is provided with a plurality of round holes communicated with the first chamber and the second chamber.

2. The efficient waterproof pump motor of claim 1, wherein: the sealing shell is fixedly provided with a first fixed rubber ring at a first through hole, an inner ring of the first fixed rubber ring is provided with a first annular sliding groove, a first sealing sliding ring is arranged in the first annular sliding groove in a sliding mode, and the first sealing sliding ring is sleeved on the motor shaft.

3. The efficient waterproof pump motor of claim 2, wherein: and a second fixed rubber ring is fixed at the second through hole of the cover, a second annular sliding groove is formed in an inner ring of the second fixed rubber ring, a second sealing sliding ring is arranged in the second annular sliding groove in a sliding mode, and the second sealing sliding ring is sleeved on the motor shaft.

4. The efficient waterproof pump motor of claim 3, wherein: the motor shaft is sleeved with a lantern ring, the outer side of the lantern ring is sleeved with water absorption cotton, and the water absorption cotton and the lantern ring are both located in the first cavity.

5. The efficient waterproof pump motor of claim 4, wherein: the motor casing comprises a motor casing and is characterized in that a first annular clamping plate is integrally formed at one end, facing the motor casing, of the rear end cover, a first annular clamping groove matched with the first annular clamping plate is formed in the rear end of the motor casing, and a first annular sealing gasket is arranged in the first annular clamping groove.

6. The efficient waterproof pump motor of claim 5, wherein: the front end housing is towards one end integrated into one piece of motor casing has second annular cardboard, be equipped with the second annular draw-in groove with second annular cardboard looks adaptation on the front end of motor casing, be equipped with the sealed pad of second annular in the second annular draw-in groove.

7. The efficient waterproof pump motor of claim 6, wherein: a plurality of radiating fins are fixed on the outer side wall of the motor casing.