CN215267895U

CN215267895U - Waterproof micro motor for underwater operation

Info

Publication number: CN215267895U
Application number: CN202121519604.9U
Authority: CN
Inventors: 吴一明
Original assignee: Suzhou Yuwei Electric Co ltd
Current assignee: Suzhou Yuwei Electric Co ltd
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2021-12-21
Anticipated expiration: 2031-07-06

Abstract

The utility model discloses an underwater operation is with waterproof micro motor, be in including motor casing, fixed connection motor casing, the fixed connection of motor casing one end are in the mount and the fixed connection of motor casing circumference outer wall are in the mounting panel of mount one end, motor casing's circumference inner wall is provided with interior casing, interior casing with motor casing encloses into there being the cavity, the inside packing of cavity has sealing glue layer. The utility model discloses a sealed glue film and the first seal assembly that set up can be when micro motor carries out underwater operation, make it have good waterproof performance, and sealed glue film can avoid rivers to flow in from motor casing's circumference outer wall, and first seal assembly can avoid rivers to flow in from motor casing's tip simultaneously to can seal up waterproofly comprehensively to micro motor, the effectual life who prolongs micro motor, the stability of micro motor when underwater operation has been guaranteed.

Description

Waterproof micro motor for underwater operation

Technical Field

The utility model relates to the technical field of motors, in particular to waterproof micro motor is used in underwater operation.

Background

The motor is commonly called as a motor and refers to an electromagnetic device for realizing electric energy conversion or transmission according to the law of electromagnetic induction. The motor is represented by letter M in the circuit, and its main function is to generate driving torque as the power source of electrical appliances or various machines, and the generator is represented by letter G in the circuit, and its main function is to convert mechanical energy into electric energy. The motor is various, and the micro motor is one of many motor types, and the micro motor is a motor with small volume and capacity and output power generally below hundreds of watts, and a motor with special requirements on application, performance and environmental conditions. The motor is a miniature special motor, which is called a micromotor for short.

At present, current micro motor is when carrying out long-term underwater operation, because its self waterproof performance is relatively poor, can lead to inside flowing water entering of motor casing, in case after the motor is intake, not only cause the bearing to rust, rotate dumb, the motor burns out the motor even when motor load current increases seriously, greatly reduced the life of motor, can not satisfy people's user demand.

Therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a waterproof micro motor is used in underwater operation, through sealing glue layer and first seal assembly's mating reaction, can carry out comprehensive sealed waterproof to micro motor, the effectual life who prolongs micro motor has guaranteed micro motor stability when the underwater operation.

The technical proposal adopted by the utility model for solving the technical problems is a waterproof micro motor for underwater operation, which comprises a motor shell, a motor bottom shell fixedly connected with one end of the motor shell, a fixed frame fixedly connected with the circumferential outer wall of the motor bottom shell and a mounting plate fixedly connected with one end of the fixed frame, an inner shell is arranged on the circumferential inner wall of the motor shell, a cavity is formed by the inner shell and the motor shell in a surrounding way, the cavity is filled with a sealing glue layer, the inner part of the inner shell is respectively provided with a motor stator and a motor rotor, one end of the motor rotor is provided with a motor output shaft, the circumferential outer wall of the motor output shaft is fixedly connected with a bearing, one end of the motor shell, which is far away from the motor bottom shell, is provided with a motor cover plate, and one side of the motor cover plate is provided with a first sealing assembly used for ensuring the air tightness of the inner shell.

Further, the method comprises the following steps: first screw hole has been seted up at the top of mounting panel, first screw hole set up in four corners of mounting panel, the internal thread of first screw hole is connected with first clamping screw.

Further, the method comprises the following steps: first seal assembly is including seting up the seal groove of interior casing one end, the bottom fixedly connected with sealing snap ring of motor apron, sealing snap ring's circumference outer wall bonds and has joint strip, sealing snap ring sealing strip with the seal groove is mutually supported.

Further, the method comprises the following steps: the motor shell and one side of the motor cover plate are both provided with second threaded holes, the inner threads of the second threaded holes are connected with second fixing screws, and the motor cover plate is fixedly connected to the top of the motor shell through the second fixing screws.

Further, the method comprises the following steps: the mounting groove has been seted up at the top of motor cover plate, the circumference outer wall of bearing the circumference inner wall of mounting groove welds each other, the top fixedly connected with sealing ring of motor cover plate, the bearing wrap up in the inside of sealing ring, the inside of interior casing is provided with second seal assembly.

Further, the method comprises the following steps: the second sealing assembly comprises a sealing plate fixedly connected to the inner circumferential wall of the inner shell, a round hole is formed in the top of the sealing plate, a lantern ring is fixedly connected to the inside of the round hole, and the lantern ring is tightly sleeved on the outer circumferential wall of the motor output shaft.

Further, the method comprises the following steps: the top fixedly connected with spring of mounting panel, the spring is kept away from the one end fixedly connected with fixed ball of mounting panel, one side of fixed ball with motor casing's circumference outer wall contacts.

The utility model has the advantages that: through the sealing glue layer and the first sealing assembly that set up, can be when micro motor carries out underwater operation, make it have good waterproof performance, sealing glue layer can avoid rivers to flow in from motor casing's circumference outer wall, first sealing assembly can avoid rivers to flow in from motor casing's tip simultaneously to can carry out comprehensive sealed waterproof to micro motor, the effectual life who prolongs micro motor, the stability of micro motor when underwater operation has been guaranteed.

Drawings

FIG. 1 is a schematic view of an expanded structure of a waterproof micro-motor for underwater operation;

FIG. 2 is a schematic view of the overall structure of a waterproof micro-motor for underwater operation;

FIG. 3 is a schematic view of an overall half-section structure of a waterproof micro-motor for underwater operation;

FIG. 4 is an enlarged schematic view of a waterproof micro-motor for underwater operation at the A position;

fig. 5 is a schematic structural view of embodiment 2 of the present invention.

Labeled as: 1-mounting a plate; 2-a first fixed screw; 3-a fixing frame; 4-a first threaded hole; 5-a motor bottom shell; 6-motor shell; 7-sealing adhesive layer; 8-an inner shell; 9-a motor stator; 10-a motor rotor; 11-a sealing plate; 12-a bearing; 13-a second set screw; 14-a sealing ring; 15-motor output shaft; 16-motor cover plate; 17-sealing snap ring; 18-a collar; 19-a seal groove; 20-a second threaded hole; 21-a fixed ball; 22-spring.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

Example 1

1-4, including motor casing 6, the motor drain pan 5 of fixed connection in motor casing 6 one end, fixed connection is at the mount 3 of motor drain pan 5 circumference outer wall and fixed connection is at the mounting panel 1 of mount 3 one end, the circumference inner wall of motor casing 6 is provided with interior casing 8, interior casing 8 encloses with motor casing 6 and becomes to have the cavity, the inside packing of cavity has sealing glue layer 7, interior casing 8's inside is provided with motor stator 9 and motor rotor 10 respectively, the one end of motor rotor 10 is provided with motor output shaft 15, the circumference outer wall fixedly connected with bearing 12 of motor output shaft 15, the one end that motor casing 6 kept away from motor drain pan 5 is provided with motor cover 16, one side of motor cover 16 is provided with the first seal assembly who is used for guaranteeing interior casing 8 gas tightness.

In this embodiment: through the sealing glue layer 7 and the first sealing assembly that set up, can be when micro motor carries out the operation under water, make it have good waterproof performance, sealing glue layer 7 can avoid rivers to flow in from motor casing 6's circumference outer wall, first sealing assembly can avoid rivers to flow in from motor casing 6's tip simultaneously, thereby can carry out comprehensive sealed waterproof to micro motor, the effectual life who prolongs micro motor, the stability of micro motor when the operation under water has been guaranteed.

On above-mentioned basis, first screw hole 4 has been seted up at the top of mounting panel 1, and first screw hole 4 sets up in four corners of mounting panel 1, and the internal thread of first screw hole 4 is connected with first clamping screw 2.

In this embodiment: through setting up four first screw holes 4 at 1 top of mounting panel, can make things convenient for work to carry out fixed mounting with micro motor wholly through first clamping screw 2, satisfied people's user demand.

On the basis, the first sealing assembly comprises a sealing groove 19 formed in one end of the inner shell body 8, a sealing snap ring 17 is fixedly connected to the bottom of the motor cover plate 16, a sealing rubber strip is bonded to the outer wall of the circumference of the sealing snap ring 17, and the sealing snap ring 17, the sealing rubber strip and the sealing groove 19 are matched with each other.

In this embodiment: when people install motor apron 16, can be at first go into the seal groove 19 with the sealed snap ring 17 card of motor apron 16 one side in, because sealed snap ring 17's circumference outer wall is provided with joint strip, when sealed snap ring 17 inserts seal groove 19 inside together with joint strip, joint strip can continue the inflation and support the inside of tight seal groove 19 to can play good sealed effect, avoid rivers to flow in from motor casing 6's tip.

On the basis, second screw hole 20 has all been seted up to one side of motor casing 6 and motor apron 16, and the inside threaded connection of second screw hole 20 has second clamping screw 13, and motor apron 16 passes through second clamping screw 13 fixed connection at the top of motor casing 6.

In this embodiment: after the worker clamps the sealing snap ring 17 into the sealing groove 19, the worker can screw the second fixing screw 13, and the motor cover plate 16 can be fixedly mounted through the cooperation between the second fixing screw 13 and the second threaded hole 20.

On the basis, the mounting groove has been seted up at the top of motor apron 16, and the circumference inner wall of the circumference outer wall mounting groove of bearing 12 welds each other, and motor apron 16's top fixedly connected with sealing ring 14, bearing 12 wrap up in the inside of sealing ring 14, and interior casing 8's inside is provided with second seal assembly.

In this embodiment: because the top of the motor cover plate 16 is fixedly connected with the sealing ring 14, and the bearing 12 is wrapped in the sealing ring 14, the situation that the water flow flows into the inner shell 8 through the joint of the bearing 12 and the motor cover plate 16 to cause the damage of the micro motor can be avoided.

On the basis, the second sealing component comprises a sealing plate 11 fixedly connected to the inner wall of the circumference of the inner shell 8, a round hole is formed in the top of the sealing plate 11, a lantern ring 18 is fixedly connected to the inside of the round hole, and the lantern ring 18 is tightly sleeved on the outer wall of the circumference of the motor output shaft 15.

In this embodiment: because the inside of interior casing 8 is provided with the closing plate 11, the lantern ring 18 that the closing plate 11 top set up simultaneously closely cup joints on motor output shaft 15 circumference outer wall, consequently can avoid having rivers to take place along the inside condition of interior casing 8 of motor output shaft 15 circumference outer wall inflow.

Example 2

Referring to fig. 5, the difference between the present embodiment 2 and the embodiment 1 is that a spring 22 is fixedly connected to the top of the mounting plate 1 of the present embodiment 2, a fixing ball 21 is fixedly connected to one end of the spring 22 away from the mounting plate 1, and one side of the fixing ball 21 contacts with the circumferential outer wall of the motor housing 6.

In this embodiment: the micro motor can vibrate in the working process, when the spring 22 vibrates, the fixing ball 21 can collide with the motor shell 6, sound waves and sound waves can be generated when the fixing ball 21 collides with the motor shell 6, so that the peripheral marine organisms of the micro motor can be well scared, and the condition that the motor shell 6 is damaged by the marine organisms to cause water leakage is avoided.

The working principle is as follows: when the sealing structure is used, the sealing glue layer 7 and the first sealing assembly are arranged, so that the miniature motor has good waterproof performance when the miniature motor is operated underwater, the sealing glue layer 7 can prevent water from flowing in from the outer wall of the circumference of the motor shell 6, meanwhile, the first sealing assembly can prevent water from flowing in from the end part of the motor shell 6, so that the miniature motor can be comprehensively sealed and waterproof, the service life of the miniature motor is effectively prolonged, the stability of the miniature motor when the miniature motor is operated underwater is ensured, when people install the motor cover plate 16, the sealing snap ring 17 on one side of the motor cover plate 16 can be firstly clamped into the sealing groove 19, because the outer wall of the circumference of the sealing snap ring 17 is provided with the sealing rubber strip, when the sealing snap ring 17 and the sealing rubber strip are inserted into the sealing groove 19, the sealing rubber strip can continuously expand and tightly support the inside of the sealing groove 19, so that a good sealing effect can be achieved, avoided rivers to flow in from the tip of motor casing 6, go into sealed snap ring 17 card at the staff and go into the inside back of seal groove 19, the staff can twist and move second clamping screw 13, cooperation through between second clamping screw 13 and the second screw hole 20, can carry out fixed mounting to motor cover plate 16, because the top fixedly connected with sealing ring 14 of motor cover plate 16, bearing 12 wraps up in the inside of sealing ring 14 simultaneously, consequently, can avoid rivers to flow into the inside of interior casing 8 through the junction of bearing 12 and motor cover plate 16 and cause the condition of micro motor damage to take place.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides an underwater operation is with waterproof micro motor, includes motor casing (6), fixed connection be in motor drain pan (5), the fixed connection of motor drain pan (5) one end are in mount (3) and the fixed connection of motor drain pan (5) circumference outer wall are in mounting panel (1) of mount (3) one end, its characterized in that: the inner wall of the circumference of the motor shell (6) is provided with an inner shell (8), a cavity is defined by the inner shell (8) and the motor shell (6), a sealing glue layer (7) is filled in the cavity, a motor stator (9) and a motor rotor (10) are respectively arranged inside the inner shell (8), one end of the motor rotor (10) is provided with a motor output shaft (15), the circumference outer wall of the motor output shaft (15) is fixedly connected with a bearing (12), one end, far away from the motor bottom shell (5), of the motor shell (6) is provided with a motor cover plate (16), and one side of the motor cover plate (16) is provided with a first sealing assembly used for guaranteeing the air tightness of the inner shell (8).

2. The waterproof micro-motor for underwater operation as claimed in claim 1, wherein: first screw hole (4) have been seted up at the top of mounting panel (1), first screw hole (4) set up in four corners of mounting panel (1), the internal thread of first screw hole (4) is connected with first clamping screw (2).

3. The waterproof micro-motor for underwater operation as claimed in claim 2, wherein: first seal assembly is including seting up seal groove (19) of interior casing (8) one end, the bottom fixedly connected with of motor apron (16) seals snap ring (17), the circumference outer wall bonding of seal snap ring (17) has joint strip, seal snap ring (17) joint strip with seal groove (19) are mutually supported.

4. The waterproof micro-motor for underwater operation as claimed in claim 3, wherein: second threaded holes (20) are formed in one sides of the motor shell (6) and the motor cover plate (16), second fixing screws (13) are connected to the inner threads of the second threaded holes (20), and the motor cover plate (16) is fixedly connected to the top of the motor shell (6) through the second fixing screws (13).

5. The waterproof micro-motor for underwater operation as claimed in claim 4, wherein: the mounting groove has been seted up at the top of motor apron (16), the circumference outer wall of bearing (12) the circumference inner wall of mounting groove welds each other, the top fixedly connected with sealing ring (14) of motor apron (16), bearing (12) wrap up in the inside of sealing ring (14), the inside of interior casing (8) is provided with the second seal assembly.

6. The waterproof micro-motor for underwater operation as claimed in claim 5, wherein: the second sealing assembly comprises a sealing plate (11) fixedly connected to the inner wall of the circumference of the inner shell (8), a round hole is formed in the top of the sealing plate (11), a sleeve ring (18) is fixedly connected to the inside of the round hole, and the sleeve ring (18) is tightly sleeved on the outer wall of the circumference of the motor output shaft (15).

7. The waterproof micromotor for underwater operation as claimed in claim 4 or 5, wherein: the top fixedly connected with spring (22) of mounting panel (1), spring (22) are kept away from the one end fixedly connected with fixed ball (21) of mounting panel (1), one side of fixed ball (21) with the circumference outer wall of motor casing (6) contacts.