CN214429367U

CN214429367U - Vibration motor with high sealing performance

Info

Publication number: CN214429367U
Application number: CN202120091640.3U
Authority: CN
Inventors: 倪兴川; 倪雄鹏
Original assignee: Zhejiang Shengyue Electronic & Technological Co ltd
Current assignee: Zhejiang Shengyue Electronic & Technological Co ltd
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-10-19
Anticipated expiration: 2031-01-13

Abstract

The utility model discloses a high-tightness vibration motor, wherein a fixing frame is arranged at the front end part in a shell, an output shaft of a motor rotor penetrates out of the fixing frame, the motor rotor is in sealing fit with the fixing frame, the front end of the motor rotor is connected with a switching block, the switching block is rotationally arranged in the shell, the front end of the shell is provided with a sealing cover, the switching block is in sealing fit with the sealing cover, a rotating rod is arranged on the switching block, the rotating rod extends out of the sealing cover, and the sealing cover is in sealing fit with the shell; the sealing device has the advantages that the existing first sealing defense line is formed by the fixing frame, the sealing bearing and the output shaft of the motor rotor; the rotating groove on the switching block is in sealing fit with the rotating ring on the sealing cover, so that a second sealing defense line of the vibrating motor is realized; the rotating rod arranged on the connecting block is connected with the sealing cover through a sealing bearing, and the third to sealing defense line of the vibration motor is realized. The multiple sealing defense lines enable the sealing effect of the vibration motor to be relatively good, the vibration motor is suitable for complex environments, and the service life of the vibration motor is prolonged.

Description

Vibration motor with high sealing performance

Technical Field

The utility model relates to a vibrating motor field, concretely relates to vibrating motor of high leakproofness.

Background

The vibration motor, also called as vibration motor, mainly drives the rotor to rotate by electric energy, so that the eccentric block fixed on the output shaft rotates, thereby achieving the vibration effect. The application range of the vibration motor is wider, and the vibration motor is common in daily life, such as the vibration motor in a digital electrical appliance, and the vibration motor is also widely applied to general mechanical equipment (such as small machine tools, small machines, medical instruments, electronic instruments and the like). The structure of current vibrations motor is mostly the eccentric block of driving motor cooperation and constitutes, but the vibrations motor leakproofness that constitutes through this mode is relatively poor, and life is shorter, can't adapt to complex environment, in the environment that requires the higher to the leakproofness such as dust environment, humidity or underwater, especially the cooperation between vibrations motor output shaft and the casing, because the working property of vibrations motor, last vibrations promptly for traditional sealed life is shorter, and traditional vibrations motor's sealed defence line is less. There is therefore a need for a vibration motor with high sealing properties so that the vibration motor can be adapted to a complex environment.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the vibrating motor has high sealing performance and is suitable for complex environment.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a high-sealing-performance vibration motor comprises a hollow shell, a motor rotor, a motor stator, a commutator and an eccentric block, wherein the motor stator is fixedly arranged in the shell, the motor rotor is rotatably arranged in the shell, the motor rotor is positioned between the motor stators, the commutator is fixedly arranged at the rear end part of the shell, the motor rotor is in rotating fit with the commutator, the eccentric block is fixedly arranged on an output shaft of the motor rotor, a fixing frame is arranged at the front end part in the shell, the output shaft of the motor rotor penetrates out of the fixing frame, the motor rotor is in sealing fit with the fixing frame, the front end of the output shaft of the motor rotor is connected with a switching block which is rotatably arranged in the shell, a sealing cover is arranged at the front end of the shell, and the switching block is in sealing fit with the sealing cover, the switching piece on be provided with the dwang, the dwang stretch out sealed lid, motor rotor, motor stator, commutator, switching piece, dwang all with the coaxial setting of casing, sealed lid and casing between sealed cooperation.

Furthermore, the switching block is detachably sleeved at the end part of the output shaft of the motor rotor, and the switching block is connected with the output shaft of the motor rotor through a pin shaft.

Furthermore, the switching block is provided with a rotating groove, the sealing cover is provided with a rotating ring matched with the rotating groove, the rotating ring is rotatably arranged in the rotating groove, and the rotating groove is in sealing fit with the rotating ring.

Furthermore, the inner wall of the rotating groove is provided with a first sealing groove and a second sealing groove which are opposite, and sealing rings are arranged in the first sealing groove and the second sealing groove.

Furthermore, a snap ring is arranged at the front end of the shell, a third sealing groove is arranged on the snap ring, a fourth sealing groove is arranged on the front end surface of the shell, and sealing rings are arranged in the third sealing groove and the fourth sealing groove; the sealing cover has the advantages that the arrangement of the clamping ring can facilitate the guiding installation of the sealing cover, and the production and assembly efficiency is improved; and the setting of the third seal groove of being convenient for effectively improves the leakproofness between casing and the sealed lid.

Furthermore, a sealing bearing is arranged between the fixed frame and the motor rotor.

Furthermore, a cover plate is arranged at the rear end of the shell and is fixed with the shell in a sealing way; the arrangement of the cover plate can isolate the inside of the shell of the vibration motor from the outside of the shell.

Furthermore, the rotating rod is fixed with the switching block and is in running fit with the sealing cover through a sealing bearing.

Compared with the prior art, the utility model has the advantages that the motor rotor, the motor stator, the commutator of vibrations motor all set up in the casing to isolated mutually with it and switching piece through the mount, realize first sealed line of defence through mount, sealed bearing, motor rotor's output shaft. Be provided with the switching piece between mount and sealed lid, the tip of the output shaft of motor rotor is provided with the switching piece promptly, is provided with the rotation groove on the switching piece, sealed covering be provided with rotation groove matched with swivel becket, and sealed cooperation between the lateral wall in rotation groove and the swivel becket, realize the sealed line of defence of second way of shock motor, and because the setting up of first seal groove and second seal groove has ensured the sealed dual protection of line of defence of second way, improve the leakproofness. The rotating rod arranged on the transfer block is connected with the sealing cover through a sealing bearing, and the third to sealing defense line of the vibration motor is realized. Multiple sealed defensive line makes the utility model discloses a vibrating motor's sealed effect is better mutually, especially promotes greatly for prior art at vibrating motor's output shaft and casing leakproofness between cooperating, messenger vibrating motor adaptation complex environment that can be better to increase of service life.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of a motor stator according to the present invention;

fig. 3 is a schematic top view of the present invention;

FIG. 4 is a schematic cross-sectional view taken along A-A of FIG. 3;

FIG. 5 is one of the installation diagrams of the transfer block of the present invention;

fig. 6 is a second schematic view of the installation of the adapter block of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

The utility model provides a high leakproofness's shock motor, includes hollow casing 1, motor rotor 2, motor stator 3, commutator 4 and eccentric block 5, motor stator 3 fixed the setting in casing 1, motor rotor 2 rotate and set up in casing 1, just motor rotor 2 be located motor stator 3 between, commutator 4 fixed the setting be in casing 1's rear end portion, motor rotor 2 with commutator 4 normal running fit, eccentric block 5 fixed the setting on motor rotor 2's output shaft, casing 1 in the front end portion be provided with mount 6, motor rotor 2's output shaft wear out mount 6, just mount 6 and motor rotor 2 between be provided with sealed bearing. Motor rotor 2 and mount 6 between sealed cooperation, switching piece 7 can dismantle the cover and establish the tip at motor rotor 2's output shaft, switching piece 7 rotate and set up in casing 1, switching piece 7 fixed through the round pin hub connection with motor rotor 2's output shaft, casing 1's front end be provided with sealed lid 8, switching piece 7 be provided with rotation groove 10, sealed lid 8 be provided with rotation groove 10 matched with swivel becket 11, swivel becket 11 rotate and set up rotation groove 10 in, the inner wall of rotation groove 10 on seted up relative first seal groove 12 and second seal groove 13, first seal groove 12, second seal groove 13 in all be provided with the sealing washer, promptly rotation groove 10 with rotation ring 11 between the sealed cooperation.

The front end of casing 1 be provided with snap ring 14, be provided with third seal groove 15 on the snap ring 14, the preceding terminal surface of casing 1 be provided with fourth seal groove 16, third seal groove 15 and fourth seal groove 16 in all be provided with the sealing washer.

The switching piece 7 on be provided with dwang 9, dwang 9 stretch out sealed lid 8, motor rotor 2, motor stator 3, commutator 4, switching piece 7, dwang 9 all with the coaxial setting of casing 1, sealed lid 8 and casing 1 between sealed cooperation.

The rear end of the shell 1 is provided with a cover plate 17, and the cover plate 17 is fixed with the shell 1 in a sealing way. The rotating rod 9 is fixed with the switching block 7, and the rotating rod 9 is in running fit with the sealing cover 8 through a sealing bearing.

The utility model discloses a vibrating motor's motor rotor 2, motor stator 3, commutator 4 all set up in casing 1 to isolated mutually with it and switching piece 7 through mount 6, realize first sealed defence line through mount 6, sealed bearing, motor rotor 2's output shaft. Be provided with switching piece 7 between mount 6 and sealed lid 8, the tip of the output shaft of motor rotor 2 is provided with switching piece 7 promptly, be provided with rotating groove 10 on the switching piece 7, sealed lid 8 is provided with and rotates groove 10 matched with swivel becket 11, and sealed cooperation between the lateral wall of rotating groove 10 and the swivel becket 11, realize that the second of shock motor is said and seal the line of defence, and because the setting up of first seal groove 12 and second seal groove 13 has ensured the double protection of the sealed line of defence of second, improve the leakproofness. The rotating rod 9 arranged on the transfer block 7 is connected with the sealing cover 8 through a sealing bearing, and the third to sealing defense line of the vibration motor is realized. Multiple sealed defensive line makes the utility model discloses a vibrating motor's sealed effect is better mutually, especially promotes greatly for prior art at vibrating motor's output shaft and 1 leakproofness of casing between cooperateing, messenger vibrating motor adaptation complex environment that can be better to increase of service life.

The above-described embodiments are only preferred embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes and modifications can be made, which are within the scope of the present invention.

Claims

1. A high-sealing-performance vibration motor comprises a hollow shell, a motor rotor, a motor stator, a commutator and an eccentric block, wherein the motor stator is fixedly arranged in the shell, the motor rotor is rotatably arranged in the shell, the motor rotor is positioned between the motor stators, the commutator is fixedly arranged at the rear end part of the shell, the motor rotor is in rotating fit with the commutator, the eccentric block is fixedly arranged on an output shaft of the motor rotor, the high-sealing-performance vibration motor is characterized in that the front end part in the shell is provided with a fixing frame, the output shaft of the motor rotor penetrates out of the fixing frame, the motor rotor is in sealing fit with the fixing frame, the front end of the output shaft of the motor rotor is connected with a switching block, the switching block is rotatably arranged in the shell, and the front end of the shell is provided with a sealing cover, the switching piece with sealed lid sealed cooperation, the switching piece on be provided with the dwang, the dwang stretch out sealed lid, motor rotor, motor stator, commutator, switching piece, dwang all with the coaxial setting of casing, sealed lid and casing between sealed cooperation of sealing.

2. The vibration motor of claim 1, wherein the adapter block is detachably mounted on an end of the output shaft of the motor rotor, and the adapter block is connected to the output shaft of the motor rotor via a pin.

3. The vibration motor of claim 1, wherein the adaptor block is provided with a rotation groove, the sealing cover is provided with a rotation ring engaged with the rotation groove, the rotation ring is rotatably disposed in the rotation groove, and the rotation groove is engaged with the rotation ring in a sealing manner.

4. The vibration motor of claim 3, wherein the inner wall of the rotation groove is provided with a first sealing groove and a second sealing groove which are opposite to each other, and the first sealing groove and the second sealing groove are both provided with sealing rings.

5. The vibration motor of claim 1, wherein a snap ring is disposed at a front end of the housing, a third sealing groove is disposed on the snap ring, a fourth sealing groove is disposed on a front end surface of the housing, and sealing rings are disposed in the third sealing groove and the fourth sealing groove.

6. The vibration motor of claim 1, wherein the fixing frame is connected to the motor rotor by a sealing bearing.

7. The vibration motor of claim 1, wherein a cover plate is provided at a rear end of the housing, and the cover plate is hermetically fixed to the housing.

8. The vibration motor of claim 1, wherein the rotation rod is fixed to the adapter block, and the rotation rod is rotatably coupled to the sealing cover through a sealing bearing.