CN219458795U

CN219458795U - High protection level's integrated micro motor

Info

Publication number: CN219458795U
Application number: CN202320549151.7U
Authority: CN
Inventors: 于八一; 龚燕青
Original assignee: Nanotec Electronic Changzhou Co ltd
Current assignee: Nanotec Electronic Changzhou Co ltd
Priority date: 2023-03-20
Filing date: 2023-03-20
Publication date: 2023-08-01
Anticipated expiration: 2033-03-20

Abstract

The utility model discloses an integrated micro motor with high protection level, which belongs to the field of motors and comprises a basic motor module, an integrated circuit module and a waterproof joint module which are sequentially connected in a linear manner; the base motor module comprises a base motor, a rear end cover is fixed at the tail end of the base motor, a encoder shaft sleeve fixedly connected with a base motor shaft is arranged in an inner cavity of the rear end cover, and encoder magnets are arranged in the encoder shaft sleeve; the integrated circuit module is fixedly arranged in the rear end cover; the waterproof connector module comprises a tail cover and a second PCBA connected with the integrated circuit module, the tail cover covers the second PCBA and is connected with the integrated circuit module, and the waterproof connector connected with the second PCBA is arranged in a penetrating way through a through hole in the tail cover.

Description

High protection level's integrated micro motor

Technical Field

The utility model relates to the technical field of motors, in particular to an integrated micro motor with high protection level.

Background

In a conventional integrated motor, the motor main line and the encoder communication line are respectively connected by connectors or directly welded to external connectors, so that at least two waterproof connectors are arranged outside the motor shell. Some motors belong to micro motors in structural dimension, the outer diameter is only 20mm, lead welding and manual insertion of connectors are difficult to carry out, in addition, the external dimension of the waterproof connector is also large due to the special structure of the waterproof connector, and under the premise, the waterproof connector is difficult to assemble in space, so that the protection of the micro motors is difficult to ensure by the traditional motor structure.

Disclosure of Invention

The utility model aims to provide an integrated micro motor with a simple structure and a high protection level, which is convenient to use, so as to solve the defect of lower protection level of the micro motor in the prior art.

In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme: an integrated micro-motor with high protection level comprises a basic motor module, an integrated circuit module and a waterproof joint module which are sequentially connected in a linear manner;

the base motor module comprises a base motor, a rear end cover is fixed at the tail end of the base motor, a encoder shaft sleeve fixedly connected with a base motor shaft is arranged in an inner cavity of the rear end cover, and encoder magnets are arranged in the encoder shaft sleeve;

the integrated circuit module is fixedly arranged in the rear end cover; the waterproof connector module comprises a tail cover and a second PCBA connected with the integrated circuit module, the tail cover covers the second PCBA and is connected with the integrated circuit module, and a waterproof connector connected with the second PCBA is arranged on the tail cover in a penetrating mode.

The integrated circuit module comprises a first PCBA which is arranged in the rear end cover through a fixed connector, a second screw is arranged on a pair of corners of the fixed connector, and the fixed connector and the rear end cover are connected through screw thread fit of the second screw.

And an O-shaped ring is arranged on the second screw.

And a first screw is arranged at one diagonal angle of the rear end cover and is in threaded fit connection with the rear end cover and the base motor.

The waterproof joint is provided with a nut in a threaded fit manner, and the nut screws the waterproof joint.

The encoder shaft sleeve is provided with an annular limiting step, and the encoder magnet is fixed in the limiting step in cooperation with glue.

And the second PCBA is connected with an insert through a copper die, and the waterproof connector is welded with the insert through the electronics of the waterproof connector.

According to the technical scheme, the utility model has the following effects:

the utility model adopts the basic motor module, the integrated circuit module and the waterproof joint module which are axially connected end to end, saves the installation space when the motor is assembled, reserves enough installation positions for the waterproof joint at the tail end, and has a linear connection structure so as to facilitate the lead wire of the motor and ensure the smooth installation of the waterproof joint;

in addition, the first screws and the second screws are installed in a crossed distribution mode, so that the installation stability of the base motor module and the integrated circuit module is high, the waterproof joint is matched with the nut through threads, on one hand, the stability of the waterproof joint is improved, the tightness of the installation hole in the tail cover is improved, and the protection level of the motor is improved in a certain sense.

Drawings

FIG. 1 is an exploded view of the present utility model;

fig. 2 is an exploded view of the tail PCBA to waterproof connector portion of the present utility model.

Wherein: 1 basic motor, 2 rear end cap, 3 first screw, 4 sign indicating number ware axle sleeve, 5 sign indicating number ware magnet, no. 6 PCBA, 7 fixed connector, 8 second screw, 9O circle, no. 10 PCBA, 11 nut, 12 tail cap, 13 water joint, 14 third screw, 101 plug-in components.

Description of the embodiments

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1 and 2, the utility model discloses an integrated micro-motor with high protection level, which comprises a basic motor module, an integrated circuit module and a waterproof joint module which are sequentially connected in a linear manner;

the base motor module comprises a base motor 1, a rear end cover 2 is fixed at the tail end of the base motor 1, a encoder shaft sleeve 4 fixedly connected with a shaft of the base motor 1 is arranged in an inner cavity of the rear end cover 2, and encoder magnets 5 are arranged in the encoder shaft sleeve 4; the integrated circuit module is fixedly arranged in the rear end cover 2; the waterproof connector module comprises a tail cover 12 and a second PCBA10 connected with the integrated circuit module, the tail cover 12 covers the second PCBA10 and is connected with the integrated circuit module, and a waterproof connector 13 connected with the second PCBA10 is arranged on a through hole in the tail cover 12 in a penetrating mode.

The integrated circuit module comprises a first PCBA6, the first PCBA6 is installed in the rear end cover 2 through a fixed connector 7, a pair of corners of the fixed connector 7 are provided with second screws 8, the second screws 8 are in threaded fit connection with the fixed connector 7 and the rear end cover 2, the installation tightness of the second screws 8 is guaranteed, and O-shaped rings 9 are sleeved on the second screws 8.

The rear end cover 2 a pair of angles are equipped with first screw 3, and first screw 3 screw thread fit connects rear end cover 2 and basic motor 1, and second screw 8 and first screw 3 cross arrangement because first screw 3 needs two parts of fixed connector 7 and rear end cover 2, and diagonal mounting stability is higher.

Further strengthen waterproof joint 13 degree of steadiness, the nut 11 is installed to the screw-thread fit on the waterproof joint 13, and the waterproof joint 13 is screwed to nut 11, when guaranteeing stable installation, and nut 11 still can seal waterproof joint 13 and the clearance that tail-hood 12 probably exists.

Specifically, be equipped with annular spacing step on the encoder axle sleeve 4, and encoder magnet 5 cooperation glue is fixed in spacing step in, compares direct bonding, and the indent space is reserved to annular spacing step, has not only provided the installation position for encoder magnet, has still reduced the whole installation volume of motor to a certain extent.

The second PCBA10 is connected with an insert 101 through a copper die, and the electronics of the waterproof connector 13 are welded with the insert 101.

The integrated micro motor is axially and tightly installed and molded, a waterproof joint installation area is vacated on the only space area, the structure is compact, and cables for connecting the internal basic motor 1, the second PCBA10 and the first PCBA6 in actual production are switched layer by layer and finally connected with the waterproof joint 13, and no exposed wiring port exists, so that the protection grade of the integrated micro motor reaches IP65.

It will be appreciated by those skilled in the art that the present utility model can be carried out in other embodiments without departing from the spirit or essential characteristics thereof. Accordingly, the above disclosed embodiments are illustrative in all respects, and not exclusive. All changes that come within the scope of the utility model or equivalents thereto are intended to be embraced therein.

Claims

1. The integrated micro motor with high protection level is characterized by comprising a basic motor module, an integrated circuit module and a waterproof joint module which are sequentially connected in a linear manner;

the base motor module comprises a base motor (1), a rear end cover (2) is fixed at the tail end of the base motor (1), a coder shaft sleeve (4) fixedly connected with the shaft of the base motor (1) is arranged in an inner cavity of the rear end cover (2), and a coder magnet (5) is arranged in the coder shaft sleeve (4);

the integrated circuit module is fixedly arranged in the rear end cover (2); the waterproof connector module comprises a tail cover (12) and a second PCBA (10) connected with the integrated circuit module, the tail cover (12) covers the second PCBA (10) and is connected with the integrated circuit module, and a waterproof connector (13) connected with the second PCBA (10) is arranged on a through hole in the tail cover (12) in a penetrating mode.

2. The integrated micro-motor with high protection level according to claim 1, wherein the integrated circuit module comprises a first PCBA (6), the first PCBA (6) is installed in the rear end cover (2) through a fixed connector (7), a second screw (8) is arranged on a pair of corners of the fixed connector (7), and the second screw (8) is in threaded fit connection with the fixed connector (7) and the rear end cover (2).

3. The high protection level integrated micro-machine according to claim 2, wherein the second screw (8) is provided with an O-ring (9).

4. The integrated micro motor with high protection level according to claim 1, wherein a pair of angles of the rear end cover (2) are provided with first screws (3), and the first screws (3) are in threaded fit connection with the rear end cover (2) and the base motor (1).

5. The integrated micro-motor with high protection level according to claim 1, wherein the waterproof joint (13) is provided with a nut (11) in a threaded fit, and the nut (11) screws the waterproof joint (13).

6. The integrated micro-motor with high protection level according to claim 1, wherein the encoder shaft sleeve (4) is provided with an annular limiting step, and the encoder magnet (5) is fixed in the limiting step in cooperation with glue.

7. The integrated micro-motor with high protection level according to claim 1, wherein the insert (101) is connected to the welding hole of the PCBA No. two (10) through a copper mold, and the electronics of the waterproof connector (13) are welded to the insert (101).