CN111200333A

CN111200333A - Novel micro motor with sealing structure

Info

Publication number: CN111200333A
Application number: CN201811370099.9A
Authority: CN
Inventors: 林光德
Original assignee: Jiangsu Health Nurse Roller Special Cermacis Co ltd
Current assignee: Jiangsu Health Nurse Roller Special Cermacis Co ltd
Priority date: 2018-11-17
Filing date: 2018-11-17
Publication date: 2020-05-26

Abstract

The invention discloses a novel micro motor with a sealing structure, which comprises a motor shell, a motor rotating shaft, a rotor and a stator, wherein two mounting plates are symmetrically mounted at two ends of the motor shell, bearings are mounted in the two mounting plates, two ends of the motor rotating shaft are fixedly connected with an inner ring of the bearing, an inner sealing ring is fixedly mounted between the stator and the rotor, two bolts are symmetrically mounted on the two mounting plates, slots are symmetrically formed in outer walls at two ends of the motor shell, and the bolts are matched with the slots. The built-in sealing ring is arranged between the rotor and the stator, the built-in sealing ring extends into an installation gap between the installation plate and the motor shell, the bearing is also provided with the bearing sealing ring, the two sealing rings greatly enhance the water resistance of the motor, the installation plate and the motor shell are connected in a slot and bolt mode, the disassembly is convenient, the maintenance of the motor is convenient, and the production cost is saved.

Description

Novel micro motor with sealing structure

Technical Field

The invention relates to the technical field of micro motors, in particular to a novel micro motor with a sealing structure.

Background

The miniature motor is a special miniature motor with small volume and capacity, output power generally below hundreds of watts and special requirements on use, performance and environmental conditions, is commonly used in a control system, realizes the functions of detecting, resolving, amplifying, executing, converting and the like of electromechanical signals or energy, can be used for driving mechanical loads, and can also be used as an alternating current power supply and a direct current power supply of equipment.

At present more and more work under water, micro motor all need be used to articles for daily use and children's toys etc. and current micro motor water-proof effects is not ideal, leads to the under water work effect not good to micro motor on the market all is difficult to dismantle, and the trouble place of the micro motor that breaks down of inspection that can not be clear, we just need design a micro motor that the water-proof effects is good of convenient to dismantle.

Disclosure of Invention

The invention aims to solve the problems of poor waterproof effect and difficult disassembly of a micro motor in the prior art, and provides a novel micro motor with a sealing structure.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a novel micro motor with seal structure, includes motor housing, motor shaft, rotor and stator, two mounting panels are installed to motor housing both ends symmetry, two all install the bearing in the mounting panel, movable mounting has motor shaft among the motor housing, and the motor shaft both ends all with bearing inner ring fixed connection, two mounting panels are run through respectively at the motor shaft both ends, install the rotor in the motor shaft, fixed mounting has the stator on motor housing's the inner wall, fixed mounting has built-in seal circle, two between stator and the rotor two equal symmetry of mounting panel is installed, the slot has been seted up to equal symmetry on the outer wall at motor housing both ends, and the slot mutually supports with the slot.

Preferably, every one side that motor shaft was kept away from to the bolt is equipped with the latch, the dead lever is installed to one side that motor shaft was kept away from to the slot, the mounting groove has been seted up to one side that the dead lever is close to the slot, vertical activity is inserted in the dead lever and is equipped with the connecting rod, and the connecting rod runs through the dead lever, the one end fixed mounting that the connecting rod is close to the slot has the oblique angle pole, and the oblique angle pole mutually supports with the latch, the one end fixed mounting that the slot was kept away from to the connecting rod has the limiting plate.

Preferably, one end of the spring is fixedly installed on the inner wall of the installation groove far away from one side of the slot, and the other end of the spring is fixedly installed on the oblique angle rod.

Preferably, two ends of an inner sealing ring between the rotor and the stator extend to the motor shell, and the inner sealing ring extends to the installation position of the installation plate and the motor shell.

Preferably, the outer wall of the motor shell is provided with a heat conducting fin.

Preferably, a bearing sealing ring is arranged between the inner ring and the outer ring of one side of the bearing far away from the rotor.

Compared with the prior art, the invention has the beneficial effects that:

1. an inner sealing ring is arranged between a rotor and a stator in the motor, two ends of the inner sealing ring extend into an installation gap between the installation plate and a motor shell, and bearing sealing rings are added on an inner ring and an outer ring of the bearing, so that the sealing performance of the motor is greatly enhanced, a good waterproof effect is achieved, air can be isolated from entering the motor, and the inside of the motor is corroded;

2. the mounting plate is connected with the motor shell through the bolt and the slot, the latch is arranged on the bolt, the fixed rod is arranged above the slot, the mounting plate and the motor shell are locked through the mutual matching of the oblique angle rod and the latch in the fixed rod, the mounting plate is inconvenient, reliable and convenient to detach, and when the motor breaks down, the mounting plate is convenient to open for observing and repairing the inside, so that the service life of the motor is greatly prolonged, and the production cost is saved;

to sum up, install built-in sealing washer between rotor and the stator, and during built-in sealing washer extended to the installation gap of mounting panel and motor housing, also installed bearing seal circle on the bearing, the waterproof nature of motor has been strengthened greatly to two sealing washers, is connected through slot and bolt mode between mounting panel and the motor housing, and convenient the dismantlement, the maintenance of the motor of being convenient for has practiced thrift production and has risen originally.

Drawings

Fig. 1 is a front view of a novel micro motor with a sealing structure according to the present invention;

fig. 2 is a side view of a novel micro motor with a sealing structure according to the present invention;

fig. 3 is an enlarged view of a portion of a novel micro motor a having a sealing structure according to the present invention.

In the figure: the motor comprises a motor shell 1, a motor rotating shaft 2, a bearing 3, a bearing sealing ring 4, a mounting plate 5, a rotor 6, an inner sealing ring 7, a stator 8, a heat conducting fin 9, a plug pin 10, a latch 11, a limiting plate 12, a spring 13, a mounting groove 14, an oblique angle rod 15, a fixing rod 16, a connecting rod 17 and a slot 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, a novel micro motor with a sealing structure comprises a motor housing 1, a motor shaft 2, a rotor 6 and a stator 8, wherein two mounting plates 5 are symmetrically mounted at two ends of the motor housing 1, bearings 3 are mounted in the two mounting plates 5, a bearing seal ring 4 is mounted between an inner ring and an outer ring of one side of the bearing 3, which is far away from the rotor 6, the motor shaft 2 is movably mounted in the motor housing 1, two ends of the motor shaft 2 are fixedly connected with the inner ring of the bearing 3, two ends of the motor shaft 2 respectively penetrate through the two mounting plates 5, the rotor 6 is mounted on the motor shaft 2, the stator 8 is fixedly mounted on the inner wall of the motor housing 1, an inner seal ring 7 is fixedly mounted between the stator 8 and the rotor 6, two ends of the inner seal ring 7 between the rotor 6 and the stator 8 extend to the motor housing 1, and the inner seal ring 7 extends to, install conducting strip 9 on the outer wall of motor housing 1, it is worth noting that, bearing seal 4 and built-in sealing washer 7 all adopt the fluorine silica gel material, and local high temperature resistance's advantage, bearing seal 4 and built-in sealing washer 7 can effectually prevent that water and air from getting into inside the motor.

Two bolts 10 are symmetrically installed on two installation plates 5, slots 18 are symmetrically formed in the outer walls of two ends of a motor shell 1, the bolts 10 and the slots 18 are matched with each other, a latch 11 is arranged on one side, away from a motor rotating shaft 2, of each bolt 10, a fixing rod 16 is installed on one side, away from the motor rotating shaft 2, of each slot 18, an installation groove 14 is formed in one side, close to the slot 18, of each fixing rod 16, a connecting rod 17 is vertically and movably inserted in each fixing rod 16, each connecting rod 17 penetrates through each fixing rod 16, an oblique angle rod 15 is fixedly installed at one end, close to the corresponding slot 18, of each connecting rod 17, each oblique angle rod 15 is matched with the corresponding latch 11, a limit plate 12 is fixedly installed at one end, away from the corresponding slot 18, of each connecting rod 17, a spring 13 is installed in each installation groove 14, one end of, the connecting rod 17 and the oblique angle rod 15 are driven to rotate together, the latch 11 can push the oblique angle rod 15 to the mounting groove 14 along the oblique angle surface of the oblique angle rod 15 when the oblique angle surface of the oblique angle rod 15 rotates to be opposite to the latch 11, the spring 13 can eject the oblique angle rod 15 when the oblique angle rod 15 is separated from the latch, the limiting plate 12 is rotated again, the oblique angle rod 15 can be clamped with the latch 11, and the purpose of fixing the mounting plate 5 and the motor shell 1 is achieved.

The working principle of the invention is as follows: this micro motor, built-in seal 7 of installation between rotor 6 and the stator 8, and built-in seal 7 both ends extend to in the installation gap of motor housing 1 and mounting panel 5, and stator 8 is in under the encapsulated situation, installs the bearing seal between the inner ring of bearing 3 and the outer loop, motor shaft 2 and 3 inner ring fixed connection of bearing, and motor shaft 2 can not receive outside air or rivers influence when rotating promptly.

Insert slot 18 on the motor housing 1 with bolt 10 on the mounting panel 5, rotatory limiting plate 12, it is rotatory together to drive connecting rod 17 and oblique angle pole 15, latch 11 can push up oblique angle pole 15 to mounting groove 14 along the oblique angle face of oblique angle pole 15 when rotatory oblique angle face of oblique angle pole 15 is relative with latch 11, spring 13 is compressed deformation this moment, spring 13 can pop out oblique angle pole 15 when oblique angle pole 15 leaves away from with the latch, treat mounting panel 5 and motor housing 1 installation closely after, rotatory limiting plate 12, it is rotatory with oblique angle pole 15 to drive connecting rod 17, oblique angle pole 15 with even latch 11 chucking, the installation finishes this moment.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A novel micro motor with a sealing structure comprises a motor shell (1), two mounting plates (5) are symmetrically mounted at two ends of the motor shell (1), bearings (3) are mounted in the two mounting plates (5), the motor shell (1) is movably mounted with the motor rotating shaft (2), two ends of the motor rotating shaft (2) are fixedly connected with inner rings of the bearings (3), the two mounting plates (5) are respectively penetrated through two ends of the motor rotating shaft (2), the motor rotating shaft (2) is mounted with a rotor (6), the inner wall of the motor shell (1) is fixedly mounted with a stator (8), an inner sealing ring (7) is fixedly mounted between the stator (8) and the rotor (6), and two bolts (10) are symmetrically mounted on the two mounting plates (5), slots (18) are symmetrically formed in the outer walls of the two ends of the motor shell (1), and the plug pins (10) are matched with the slots (18).

2. The novel micro motor with the sealing structure is characterized in that a latch (11) is arranged on one side, away from a motor rotating shaft (2), of each plug pin (10), a fixing rod (16) is installed on one side, away from the motor rotating shaft (2), of each slot (18), a mounting groove (14) is formed in one side, close to the corresponding slot (18), of each fixing rod (16), a connecting rod (17) is vertically and movably inserted in each fixing rod (16), the connecting rod (17) penetrates through each fixing rod (16), an oblique angle rod (15) is fixedly installed at one end, close to the corresponding slot (18), of each connecting rod (17), the oblique angle rods (15) are matched with the latches (11), a limiting plate (12) is fixedly installed at one end, away from the corresponding slot (18), of each connecting rod (17), and a spring (13) is installed in each mounting groove (14).

3. The novel micro motor with the sealing structure is characterized in that one end of the spring (13) is fixedly arranged on the inner wall of the mounting groove (14) far away from one side of the slot (18), and the other end of the spring is fixedly arranged on the bevel lever (15).

4. The novel micro motor with the sealing structure is characterized in that two ends of an inner sealing ring (7) between the rotor (6) and the stator (8) extend to the motor shell (1), and the inner sealing ring (7) extends to the installation position of the mounting plate (5) and the motor shell (1).

5. The novel micro motor with the sealing structure is characterized in that the heat conducting fins (9) are arranged on the outer wall of the motor shell (1).

6. The novel micro motor with the sealing structure is characterized in that a bearing sealing ring (4) is arranged between an inner ring and an outer ring of one side, far away from the rotor (6), of the bearing (3).