CN211859794U

CN211859794U - Double-layer waterproof motor

Info

Publication number: CN211859794U
Application number: CN202020800301.3U
Authority: CN
Inventors: 马东辉
Original assignee: Shenzhen Futaichang Electronic Technology Co ltd
Current assignee: Shenzhen Futaichang Electronic Technology Co ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2020-11-03
Anticipated expiration: 2030-05-14

Abstract

The utility model discloses a double-layer waterproof motor, which comprises a motor and a sealing cover, wherein the sealing cover is sleeved outside the motor, and the inner diameter of the sealing cover is not less than the outer diameter of the motor; the motor comprises a stator part and a rotor part, wherein the stator part comprises a fixed seat, a coil and an iron core, the coil is wound on the iron core, and the fixed seat and the coil form an integral structure by filling waterproof sealant and are fixedly connected with one end of the fixed seat; the rotor part comprises a magnet, an iron shell and a shaft strip, the shaft strip and the iron shell are respectively arranged on two sides of the fixed seat, the shaft strip penetrates through the fixed seat and then is fixed with the iron shell, and the magnet is attached to the inner side of the iron shell; the fixing seat is also provided with a through hole for the shaft strip to pass through and a wiring hole for an external lead. The utility model provides a waterproof motor of double-deck formula adopts the waterproof glue to carry out the embedment at the coil, adopts waterproof glue embedment with coil and iron core together, further improves waterproof grade to obtain a simple structure, make convenient waterproof motor.

Description

Double-layer waterproof motor

Technical Field

The utility model relates to a motor field especially relates to a waterproof motor of double-deck formula.

Background

At present, along with the development of human beings on environmental resources, not only land, but also gradually develop to the ocean, when resource exploration or underwater operation is carried out in water, sometimes a motor needs to be adopted for working, the motor works underwater, therefore, the water prevention of the motor is particularly important, the existing waterproof motor generally adopts a fully-sealed underwater motor, the fully-sealed underwater motor needs to be watertight for a long time, the waterproof sealing shell is complex in material and high in cost, the water leakage problem easily occurs, and the motor works underwater, and the maintenance are extremely inconvenient, so that how to obtain the waterproof motor meeting the long-time use is a problem to be solved urgently.

SUMMERY OF THE UTILITY MODEL

To the weak point that exists among the above-mentioned technique, the utility model provides a waterproof motor of double-deck formula adopts the waterproof glue to carry out the embedment at the coil, adopts the waterproof glue embedment with coil and iron core together, further improves waterproof grade to obtain a simple structure, make convenient waterproof motor.

In order to achieve the purpose, the utility model provides a double-layer waterproof motor, which comprises a motor and a sealing cover, wherein the sealing cover is sleeved outside the motor, and the inner diameter of the sealing cover is not less than the outer diameter of the motor; the motor comprises a stator part and a rotor part, wherein the stator part comprises a fixed seat, a coil and an iron core, the coil is wound on the iron core, the stator part and the iron core form an integral structure by filling waterproof sealant, and the integral structure is fixedly connected with one end of the fixed seat; the rotor part comprises a magnet, an iron shell and a shaft strip, the shaft strip and the iron shell are respectively arranged on two sides of the fixed seat, the shaft strip penetrates through the fixed seat and then is fixed with the iron shell, and the magnet is attached to the inner side of the iron shell; the fixing seat is also provided with a through hole for the shaft strip to pass through and a wiring hole for an external lead.

Preferably, the magnet comprises an upper magnetic clamping ring, a lower magnetic clamping ring and a magnet ring, and the upper magnetic clamping ring and the lower magnetic clamping ring are respectively arranged at the upper end and the lower end of the magnet ring; the magnet ring comprises a plurality of bar magnets, the upper clamping magnetic ring and the lower clamping magnetic ring are circular and are respectively provided with a convex clamping position, the bar magnets are clamped in the clamping positions, and the bar magnets, the upper clamping magnetic ring and the lower clamping magnetic ring form an integral structure and are fixed on the inner side of the iron shell.

Preferably, still be equipped with the bearing on the axle strip, the bearing is equipped with a plurality ofly, including first bearing and second bearing, first bearing is located the through-hole of fixing base to with the axle strip joint in the through-hole of fixing base, the internal diameter of first bearing is not less than the chi footpath of axle strip.

Preferably, the second bearing is positioned on one side of the shaft strip close to the iron core and sleeved on the shaft strip, and the inner diameter of the second bearing is the same as the outer diameter of the shaft strip; the iron core is sleeved on the shaft strip, and the second bearing is used for clamping the iron core on the shaft strip.

Preferably, the fixing seat comprises a bottom plate and a clamping ring, the clamping ring is fixed in the middle of the bottom plate to form an integrated structure, and the bottom plate is provided with the wiring hole; the clamping ring protrudes out of the bottom plate, a plurality of stepped clamping positions are arranged on the inner side of the clamping ring, and a plurality of parts are placed in the stepped clamping positions.

Preferably, the screens are equipped with the three-layer, and the screens of bottom are together fixed with first bearing joint, are equipped with the shaft strip sealing member on the screens of second floor, and the screens of the superiors are equipped with gland.

Preferably, the sealing cover is sleeved outside the iron shell and connected with the fixed seat.

The utility model has the advantages that: compared with the prior art, the waterproof motor with the double-layer shell provided by the utility model has the advantages that the whole motor is designed into the brushless motor, so that the service life is longer and the motor is not easy to be damaged compared with the traditional brush motor; secondly, an upper clamping magnetic ring and a lower clamping magnetic ring are arranged on a rotor part of the motor and clamped at the upper end and the lower end of the magnet to position and fix the magnet; to the stator part of motor, carry out the waterproof mode of gluing of embedment to iron core and coil, can not cause the influence to the magnetism that the coil produced like this, but can effectively carry out water proof to coil and iron core, the coil outside sets up double-deck casing: iron-clad and sealed cowling, waterproof grade is higher at first, compares the waterproof motor of open of current stator embedment in addition, because there is the iron-clad motor outside of this application, can prevent effectively that silt and sea water crystallization thing card from between the stator and the rotor of motor to the motor operation card that avoids consequently arousing is calm or unable operation.

Drawings

FIG. 1 is an exploded view of the structure of the present invention;

FIG. 2 is a diagram of the coil structure of the present invention;

FIG. 3 is a partial structure view of the fixing base of the present invention;

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

The main element symbols are as follows:

1. sealing cover 2, iron shell 3, magnet 4, iron core 5, bearing 6, fixing base

7. Shaft strip sealing cover 8, sealing gland 9, shaft strip 31 and upper clamping magnetic ring

32. Magnet ring 33, lower magnetic clamping ring 51, first bearing 52 and second bearing

61. Bottom plate 62, joint ring 63, wiring hole.

Detailed Description

In order to make the present invention clearer, the present invention will be further described with reference to the accompanying drawings.

Referring to fig. 1, the utility model provides a double-layer waterproof motor, which comprises a motor and a sealing cover 1, wherein the sealing cover 1 is sleeved outside the motor, and the inner diameter of the sealing cover 1 is not less than the outer diameter of the motor; the motor comprises a stator part and a rotor part, wherein the stator part comprises a fixed seat 6, a coil and an iron core 4, the coil is wound on the iron core 4, the coil and the iron core 4 form an integral structure by filling waterproof sealant, and the integral structure is fixedly connected with one end of the fixed seat 6; the rotor part comprises a magnet 3, a magnetic clamping ring, an iron shell 2 and a shaft bar 9, the shaft bar 9 and the iron shell 2 are respectively arranged at two sides of a fixed seat 6, the shaft bar 9 penetrates through the fixed seat 6 and then is fixed with the iron shell 2, and the magnet 3 is attached to the inner side of the iron shell 2; the fixed seat 6 is also provided with a through hole for the shaft strip to pass through and a wiring hole 63 for an external lead, and the upper clamping magnetic ring 31 and the lower clamping magnetic ring 33 are respectively arranged at the upper end and the lower end of the magnetic ring 32; the magnet ring 32 is composed of a plurality of bar magnets, the upper magnetic clamping ring and the lower magnetic clamping ring are circular and are provided with convex clamping positions, the bar magnets are clamped in the clamping positions, and the bar magnets, the upper magnetic clamping ring and the lower magnetic clamping ring form an integral structure and are fixed on the inner side of the iron shell 2. In the embodiment, a first layer of protection is realized on the motor by using the sealing cover, a second layer of protection is realized on the motor by using the iron shell, and the coil and the iron core form an integral structure as a third layer of protection in a manner of filling waterproof sealant; the three layers of waterproof protection can effectively prevent the iron core in the coil from being corroded or blocked by foreign matters, so that the stability of long-time use is ensured, and the wiring hole is sealed by waterproof sealant before use to prevent liquid from entering the motor from the position; more specifically, the magnet is adopted as the rotor part, and the magnet is utilized to drive the shaft bar and the iron shell to rotate together, so that the magnetic rotor is used as a brushless motor, and the using effect is better compared with that of a brush motor; secondly, because the upper and lower clamping magnetic rings are provided with clamping positions, the bar-shaped magnets forming the magnetic rings are just clamped into the clamping positions to form fixation, so that the upper and lower clamping magnetic rings are fixed together more tightly, realize positioning and fixation, and are fixed in the iron shell, so that the shell can be driven to rotate; compare with conventional motor on the market, inside the sealed shell in the outside can prevent effectively that silt from entering into the motor, the stator part adopts the waterproof glue embedment simultaneously, even the infiltration appears in the sealed cowling, inside the sea water enters into the motor, because the stator part adopts the waterproof glue filling, can not cause the influence to the coil yet, the motor still can normal operating.

Still be equipped with bearing 5 on the axial cord 9, bearing 5 is equipped with a plurality ofly, including first bearing 51 and second bearing 52, first bearing 51 is located the through-hole of fixing base 6 to with the joint of axial cord 9 in the through-hole of fixing base 6, the internal diameter of first bearing 51 is not less than the chi footpath of axial cord 9. The second bearing 52 is positioned on one side of the shaft bar 9 close to the iron core 4 and sleeved on the shaft bar 9, and the inner diameter of the second bearing 52 is the same as the outer diameter of the shaft bar 9; the iron core 4 is sleeved on the shaft bar 9, and the second bearing 52 fixes the iron core 4 on the shaft bar 9. In this embodiment, thereby realize carrying on spacingly to pivoted muntin and iron core through setting up two bearings, at first the iron core cup joints on the muntin, it is spacing to utilize the second bearing to fix, when the iron core receives magnetic force and produces the rotation, it rotates to drive the muntin, it can effectively prevent the friction that the muntin produced the fixing base at rotatory in-process to set up first bearing, prevent to produce wearing and tearing to the through hole on the fixing base, thereby produce adverse effect to the operation of whole motor, simultaneously because the existence of bearing, motor moving smoothness nature in the use has been ensured.

Referring to fig. 3, the fixing base 6 includes a bottom plate 61 and a clamping ring 62, the clamping ring 62 is fixed at the middle position of the bottom plate 61 to form an integrated structure, and the bottom plate 61 is provided with a wiring hole 63; the clamping ring 62 protrudes out of the bottom plate 61, a plurality of stepped clamping positions are arranged on the inner side of the clamping ring 62, and a plurality of parts are placed in the plurality of stepped clamping positions. The screens is equipped with the three-layer, and the screens of bottommost layer is together fixed with first bearing 51 joint, is equipped with the shaft strip sealing member 7 on the screens of second floor, and the screens of the superiors is equipped with gland 8. In this embodiment, be equipped with the multilayer screens on the joint ring, and screens from the top down chi footpath is the decline gradually to cooperation shaft strip sealing member and gland, can effectively prevent liquid infiltration, it is also more convenient when maintenance simultaneously.

Referring to fig. 4, the sealing cover 1 is sleeved on the outer side of the iron shell 2 and connected to the fixing base. In the embodiment, the whole body is more convenient to disassemble and assemble through threaded connection, and certainly, a waterproof gasket can be added at the threaded part in order to improve the waterproof effect; the utility model provides a mode that this application adopted is that threaded connection links to each other sealed cover and fixing base, adopts other connected mode, for example screw connection, sticiss, beat sealed glue these connected mode also belong to the scope of protection of this application.

The utility model has the advantages that:

1) the sealing cover on the outer side can effectively prevent silt from entering the motor, the stator part of the motor is encapsulated by waterproof glue, and the motor is effectively protected by a double protection structure;

2) the iron shell and the sealing cover are connected with the fixed seat in a threaded connection mode, so that the maintenance is more convenient.

The above disclosure is only for the specific embodiments of the present invention, but the present invention is not limited thereto, and any changes that can be made by those skilled in the art should fall within the protection scope of the present invention.

Claims

1. A double-layer waterproof motor is characterized by comprising a motor and a sealing cover, wherein the sealing cover is sleeved outside the motor, and the inner diameter of the sealing cover is not less than the outer diameter of the motor; the motor comprises a stator part and a rotor part, wherein the stator part comprises a fixed seat, a coil and an iron core, the coil is wound on the iron core, the stator part and the iron core form an integral structure by filling waterproof sealant, and the integral structure is fixedly connected with one end of the fixed seat; the rotor part comprises a magnet, an iron shell and a shaft strip, the shaft strip and the iron shell are respectively arranged on two sides of the fixed seat, the shaft strip penetrates through the fixed seat and then is fixed with the iron shell, and the magnet is attached to the iron shell; the fixing seat is also provided with a through hole for the shaft strip to pass through and a wiring hole for an external lead.

2. The double-layer waterproof motor according to claim 1, wherein the magnet comprises an upper magnetic clamping ring, a lower magnetic clamping ring and a magnet ring, and the upper magnetic clamping ring and the lower magnetic clamping ring are respectively arranged at the upper end and the lower end of the magnet ring; the magnet ring comprises a plurality of bar magnets, the upper clamping magnetic ring and the lower clamping magnetic ring are circular and are respectively provided with a convex clamping position, the bar magnets are clamped in the clamping positions, and the bar magnets, the upper clamping magnetic ring and the lower clamping magnetic ring form an integral structure and are fixed on the inner side of the iron shell.

3. The double-layer waterproof motor of claim 1, wherein the shaft strip is further provided with a plurality of bearings, each of the plurality of bearings comprises a first bearing and a second bearing, the first bearing is located in the through hole of the fixing seat, so that the shaft strip is clamped in the through hole of the fixing seat, and the inner diameter of the first bearing is not smaller than the diameter of the shaft strip.

4. The double-layer waterproof motor according to claim 3, wherein the second bearing is located on one side of the shaft strip close to the iron core and sleeved on the shaft strip, and the inner diameter of the second bearing is the same as the outer diameter of the shaft strip; the iron core is sleeved on the shaft strip, and the second bearing is used for clamping the iron core on the shaft strip.

5. The double-layer waterproof motor according to claim 1, wherein the fixing base comprises a bottom plate and a clamping ring, the clamping ring is fixed at the middle position of the bottom plate to form an integrated structure, and the bottom plate is provided with the wiring hole; the clamping ring protrudes out of the bottom plate, a plurality of stepped clamping positions are arranged on the inner side of the clamping ring, and a plurality of parts are placed in the stepped clamping positions.

6. A double-layer waterproof motor as claimed in claim 5, wherein the clamping positions are provided with three layers, the clamping position at the lowest layer is clamped and fixed with the first bearing, the clamping position at the second layer is provided with a shaft strip sealing element, and the clamping position at the uppermost layer is provided with a sealing gland.

7. The double-layer waterproof motor of claim 1, wherein the sealing cover is sleeved outside the iron shell and connected with the fixing seat.