CN216649398U

CN216649398U - Waterproof motor

Info

Publication number: CN216649398U
Application number: CN202220130130.7U
Authority: CN
Inventors: 林美辉
Original assignee: Xiamen Landi Intelligent Technology Co ltd
Current assignee: Xiamen Landi Intelligent Technology Co ltd
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2022-05-31
Anticipated expiration: 2032-01-18

Abstract

The utility model provides a waterproof motor, which is characterized in that: the waterproof device comprises a shell, an impeller, a waterproof assembly, a coil group, an excitation plate and a rear cover, wherein the waterproof assembly comprises a rotating shaft, a waterproof sleeve, a waterproof bearing and an O-shaped ring; the O-shaped ring is fixedly arranged on the rotating shaft, the waterproof sleeve is fixedly arranged on the shell through a waterproof bearing, and the waterproof bearing is in interference fit with the rotating shaft; the excitation plate is fixedly arranged outside the rotating shaft and synchronously rotates with the rotating shaft, the coil group is fixedly arranged in the rear cover, and the rear cover is fixedly arranged below the shell; the waterproof bearing is provided with the waterproof sealing ring, the waterproof sealing ring is sleeved with the gasket, and waterproof lubricating oil is filled between the waterproof sleeve and the rotating shaft, so that the airtightness between the rotating shaft and the inner ring of the waterproof bearing is ensured, water seepage is prevented, and the sealing inside the generator is ensured.

Description

Waterproof motor

Technical Field

The utility model belongs to the technical field of motors, and particularly relates to a waterproof hydroelectric generator.

Background

Miniature hydroelectric generator need work under hot and cold water and different water pressure states when using, even with the frequent cold and hot transform of environment, water pressure also can the height change, receive the influence of temperature and high water pressure change between miniature hydroelectric generator's pivot and the axle sleeve very big, hydroelectric generator among the prior art adopts the bearing to be connected axis of rotation in with the generator and shell etc. to realize the waterproof of generator shell inside and outside, this kind of structure leads to water to flow into from axle sleeve bearing and stainless steel axle intermediate gap, long-term use produces the incrustation scale, lead to the magnet calcification in the motor or rust, the motor will appear generating electricity unstability or the dead phenomenon of not generating electricity of card.

SUMMERY OF THE UTILITY MODEL

The utility model provides a waterproof motor, which overcomes the defects in the background technology. The technical scheme adopted by the utility model for solving the technical problems is as follows:

a waterproof motor, its characterized in that: the waterproof device comprises a shell, an impeller, a waterproof assembly, a coil group, an excitation plate and a rear cover, wherein the waterproof assembly comprises a rotating shaft, a waterproof sleeve, a waterproof bearing and an O-shaped ring; the O-shaped ring is fixedly arranged on the rotating shaft, the waterproof sleeve is fixedly arranged on the shell through a waterproof bearing, and the waterproof bearing is in interference fit with the rotating shaft; the excitation plate is fixedly arranged outside the rotating shaft and rotates synchronously with the rotating shaft, the coil group is fixedly arranged in the rear cover, and the rear cover is fixedly arranged below the shell.

Furthermore, 2 or more than 2O-shaped rings are fixedly arranged on the rotating shaft.

Furthermore, waterproof lubricating oil is filled between the waterproof sleeve and the rotating shaft.

Further, the waterproof bearing is a ceramic bearing.

Furthermore, a waterproof sealing ring is arranged on the waterproof bearing, and a gasket is sleeved outside the waterproof sealing ring.

Furthermore, the rear cover comprises a plurality of groups of coil groups and a plurality of groups of excitation plates matched with the coil groups.

Furthermore, a front cover is arranged on the shell, and a water retaining rear cover is arranged below the shell.

The utility model has the beneficial effects that:

the waterproof motor is provided with the waterproof assembly, the rotating shaft is provided with the plurality of O-shaped rings, the waterproof sleeve is fixedly arranged on the shell through the waterproof bearing, the waterproof sealing ring is arranged on the waterproof bearing, the gasket is sleeved on the waterproof sealing ring, waterproof lubricating oil is filled between the waterproof sleeve and the rotating shaft, the airtightness between the rotating shaft and the inner ring of the waterproof bearing is ensured, water seepage is prevented, the sealing inside the generator is ensured, and a plurality of groups of coil groups and excitation plates can be arranged to increase the power generation power. The utility model has the advantages of simple structure, reasonable arrangement, low manufacturing cost and the like.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of a waterproof motor according to the present invention.

Fig. 2 is a schematic cross-sectional view of a waterproof motor shown in fig. 1.

Fig. 3 is a schematic exploded perspective view of a waterproof motor according to the present invention.

Fig. 4 is a perspective exploded view of the waterproof assembly of the present invention.

Description of reference numerals:

the water-proof type impeller comprises a front cover 1, an impeller 2, a waterproof assembly 3, a coil assembly 4, an excitation plate 5, a shell 6, a water-proof rear cover 7, a rear cover 8, a waterproof sleeve 3-1, a waterproof bearing 3-2, a rotating shaft 3-3, a waterproof sealing ring 3-4, an O-shaped ring 3-5, a gasket 3-6, a water inlet 6-1 and a water outlet 6-2.

Detailed Description

The utility model will be further described with reference to the accompanying drawings.

Referring to fig. 1-4, the waterproof motor of the present invention comprises a housing 6, an impeller 2, a waterproof assembly 3, a coil assembly 4, a field plate 5, and a rear cover 8, wherein the waterproof assembly comprises a rotating shaft 3-3, a waterproof sleeve 3-1, a waterproof bearing 3-2, and an O-ring 3-5, the impeller 2 is rotatably disposed in the housing 6 to drive the rotating shaft 3-3 to rotate; the O-shaped ring is fixedly arranged on the rotating shaft 3-3, the waterproof sleeve 3-1 is fixedly arranged on the shell 6 through two waterproof bearings 3-2 and is sleeved on the rotating shaft 3-3, and the waterproof bearings 3-2 are in interference fit with the rotating shaft 3-3; the excitation plate 5 is fixedly arranged outside the rotating shaft 3-3 and rotates synchronously with the rotating shaft 3-3, the coil group 4 is fixedly arranged in the rear cover 8, and the rear cover 8 is fixedly arranged below the shell 6;

when the water-saving device is used, water flows in through the water inlet 6-1 to impact the impeller 2, the impeller 2 rotates to drive the rotating shaft 3-3 to synchronously rotate, the rotating shaft 3-3 drives the exciting plate 5 to synchronously rotate, and the magnetic field generated by the exciting plate 5 cuts the coil group 4 to generate current.

The waterproof motor of the present invention further comprises: the O-shaped rings 3-5 are 2 or more than 2 and are fixedly arranged on the rotating shaft 3-3, waterproof lubricating oil is filled between the waterproof sleeve 3-1 and the rotating shaft 3-3, the waterproof bearings 3-2 are ceramic bearings, two waterproof sealing rings 3-4 are respectively arranged on the two waterproof bearings 3-2, gaskets 3-6 are arranged on the waterproof sealing rings 3-4, a plurality of coil groups and a plurality of excitation plates matched with the coil groups can be arranged in the rear cover, a front cover 1 is arranged on the shell 6, and a water-retaining rear cover 7 is arranged below the shell 6.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. A waterproof motor, its characterized in that: the waterproof device comprises a shell, an impeller, a waterproof assembly, a coil group, an excitation plate and a rear cover, wherein the waterproof assembly comprises a rotating shaft, a waterproof sleeve, a waterproof bearing and an O-shaped ring; the O-shaped ring is fixedly arranged on the rotating shaft, the waterproof sleeve is fixedly arranged on the shell through a waterproof bearing, and the waterproof bearing is in interference fit with the rotating shaft; the excitation plate is fixedly arranged outside the rotating shaft and rotates synchronously with the rotating shaft, the coil group is fixedly arranged in the rear cover, and the rear cover is fixedly arranged below the shell.

2. The waterproof motor according to claim 1, wherein: the number of the O-shaped rings is 2 or more than 2, and the O-shaped rings are fixedly arranged on the rotating shaft.

3. The waterproof motor according to claim 1, wherein: waterproof lubricating oil is filled between the waterproof sleeve and the rotating shaft.

4. The waterproof motor according to claim 1, wherein: the waterproof bearing is a ceramic bearing.

5. The waterproof motor according to claim 1, wherein: the waterproof bearing is provided with a waterproof sealing ring, and a gasket is sleeved outside the waterproof sealing ring.

6. The waterproof motor according to claim 5, wherein: the back cover comprises a plurality of groups of coil groups and a plurality of groups of excitation plates matched with the coil groups.

7. The waterproof motor according to claim 5, wherein: the shell is provided with a front cover, and a water retaining rear cover is arranged below the shell.