CN212784997U

CN212784997U - Motor shaft supporting structure with positioning function

Info

Publication number: CN212784997U
Application number: CN202022240337.3U
Authority: CN
Inventors: 孙永强; 刘飞; 战秋霞
Original assignee: Rongcheng Yongsheng Power Machinery Co ltd
Current assignee: Rongcheng Yongsheng Power Machinery Co ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-03-23
Anticipated expiration: 2030-10-10

Abstract

The utility model discloses a motor shaft bearing structure with locate function belongs to motor bearing technical field, and this bearing structure establishes the bearing in the motor shaft outside including the cover, the bearing includes the interior ring body, the outside of interior ring body is equipped with outer ring body, and equidistant being equipped with cylindrical roller between interior ring body and the outer ring body to offer the appearance chamber that is used for holding cylindrical roller on the relative terminal surface of interior ring body, outer ring body, be equipped with the ring baffle rather than coaxial setting on two tip of interior ring body. The utility model discloses when the motor rotates to people required angle, the electro-magnet begins the circular telegram, makes permanent magnetic path remove and be close to one side of outer ring body inside wall in that the notch is inside under the repulsion effect of electro-magnet, and when the inseparable laminating of the inside wall of the rubber pad on permanent magnetic path and outer ring body, the inner ring body is fixed on outer ring body to the realization is to the locking of this bearing, makes the motor can keep at certain rotation angle, makes things convenient for people's use.

Description

Motor shaft supporting structure with positioning function

Technical Field

The utility model relates to a motor bearing technical field, specificly relate to a motor shaft bearing structure with locate function.

Background

The motor bearing is also named as a motor bearing or a motor bearing, and is a special bearing specially applied to a motor or a motor. The motor uses a bearing, which is a part of the supporting shaft, and can guide the rotation of the shaft and bear the idle part on the shaft, and the concept of the bearing is wide.

The existing majority of motor bearings cannot position the rotating shaft on the output end of the motor when the motor rotates to a required angle, so that the rotating shaft is easy to rotate when deflecting a certain angle, and is inconvenient for people to use.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

An object of the utility model is to provide a motor shaft bearing structure with locate function to solve the problem that proposes among the above-mentioned background art.

2. Technical scheme

In order to solve the above problem, the utility model adopts the following technical scheme:

the utility model provides a motor shaft bearing structure with locate function, this bearing structure establishes the bearing in the motor shaft outside including the cover, the bearing includes interior ring, the outside of interior ring is equipped with outer ring, and equidistant between interior ring and the outer ring is equipped with cylindrical roller to offer the appearance chamber that is used for holding cylindrical roller on the relative terminal surface of interior ring, outer ring, be equipped with the ring baffle rather than coaxial setting on two tip of interior ring, cylindrical roller passes through the connecting axle and is connected with ring baffle, and cylindrical roller rotates with the connecting axle and be connected, and the both ends of connecting axle and ring baffle's inside wall fixed connection, every ring baffle is equipped with two at least notches of number at equidistant on the terminal surface towards outer ring inside wall, and the inside of every notch all is equipped with the fixed establishment that is used for fixing the interior ring, fixed establishment is including the electro-magnet of fixed bottom in the notch, the electro-magnet, The permanent magnet is fixedly arranged on one end, facing the outer ring body, of the electromagnet, the permanent magnet is fixedly connected with the other end of the return spring, the magnetism of the permanent magnet is the same as that of the electromagnet when the electromagnet is powered on, and a rubber pad is adhered to one end, back to the return spring, of each permanent magnet.

Preferably, one end of the outer ring body, which faces the rubber pads, is adhered with an annular rubber ring vertically aligned with the corresponding side rubber pad.

Preferably, every the equidistant bar recess of having seted up in the appearance chamber, and the inside of every bar recess all is equipped with the lubricated cotton that adsorbs to have lubricating oil, lubricated cotton and cylindrical roller's lateral wall contact.

Preferably, the strip-shaped groove is obliquely arranged inside the containing cavity.

Preferably, oil injection holes which correspond to the strip-shaped grooves on the corresponding side one to one and are communicated with the corresponding strip-shaped grooves are respectively formed in the end parts of the inner ring body and the outer ring body.

Preferably, the cylindrical rollers are provided with communicating holes communicated with the strip-shaped grooves at equal intervals.

Preferably, the length of the permanent magnet block is greater than the distance from the outer end face of the annular baffle plate to the inner end face of the outer ring body.

3. Advantageous effects

1. The utility model discloses when the motor rotates to people required angle, the electro-magnet begins the circular telegram, makes permanent magnetic path remove and be close to one side of outer ring body inside wall in that the notch is inside under the repulsion effect of electro-magnet, and when the inseparable laminating of the inside wall of the rubber pad on permanent magnetic path and outer ring body, the inner ring body is fixed on outer ring body to the realization is to the locking of this bearing, makes the motor can keep at certain rotation angle, makes things convenient for people's use.

2. The utility model discloses a contact of rubber pad and annular rubber circle can improve the laminating degree of permanent magnetic path and outer annular body inside wall to the fixed effect of permanent magnetic path to outer annular body and inner annular body is strengthened, the stability can of motor is guaranteed.

3. The utility model discloses a contact of lubricated cotton and cylindrical roller lateral wall, make lubricating oil on the lubricated cotton can paint on cylindrical roller's lateral wall when cylindrical roller rotates, with reduce cylindrical roller lateral wall and the wearing and tearing that hold between the intracavity wall, the realization is to cylindrical roller, the protection of ring body, prolong its life, cylindrical roller is rotating and when extrudeing the lubricated cotton of bar recess inside, partial fluid in the lubricated cotton can enter into to between cylindrical roller and the connecting axle through the intercommunicating pore, lubricate cylindrical roller and connecting axle with this, reduce the wearing and tearing that cause when cylindrical roller rotates with the connecting axle, prolong the life of cylindrical roller and connecting axle.

4. The utility model discloses an oil filler point can make things convenient for people to the packing of the inside lubricated cotton of bar recess oil thing to guarantee lubricated cotton to cylindrical roller's lubricated effect.

5. The utility model discloses permanent magnetic path length is greater than the setting of annular baffle outside end face to the distance between the outer annular body medial surface, and the other end of permanent magnetic path still stays in the inside of notch when making permanent magnetic path and outer annular body inside wall contact, prevents that permanent magnetic path from breaking away from the notch, provides the powerful condition for resetting of permanent magnetic path.

Drawings

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

FIG. 2 is a schematic view of the front view of the local internal structure of the present invention;

fig. 3 is a schematic diagram of the side-view internal structure of the present invention.

Reference numerals: 1-inner ring body, 2-outer ring body, 3-cylindrical roller, 4-connecting shaft, 5-containing cavity, 6-annular baffle, 7-notch, 8-electromagnet, 9-reset spring, 10-permanent magnet, 11-rubber pad, 12-annular rubber ring, 13-strip-shaped groove, 14-lubricating cotton, 15-oil hole and 16-communicating hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Examples

As shown in fig. 1-3, a motor shaft supporting structure with positioning function, the supporting structure includes a bearing sleeved on the outer side of the motor shaft, the bearing comprises an inner ring body 1, an outer ring body 2 is arranged outside the inner ring body 1, cylindrical rollers 3 are arranged between the inner ring body 1 and the outer ring body 2 at equal intervals, and the opposite end surfaces of the inner ring body 1 and the outer ring body 2 are provided with a containing cavity 5 for containing the cylindrical roller 3, two end parts of the inner ring body 1 are provided with annular baffles 6 which are coaxial with the inner ring body, the cylindrical roller 3 is connected with the annular baffles 6 through a connecting shaft 4, and the cylindrical roller 3 is rotationally connected with the connecting shaft 4, two ends of the connecting shaft 4 are fixedly connected with the inner side wall of the annular baffle 6, at least two notches 7 in number are arranged on the end surface of each annular baffle 6 facing the inner side wall of the outer ring body 2 at equal intervals, and a fixing mechanism for positioning the inner ring body 1 is arranged inside each notch 7;

the fixing mechanism comprises an electromagnet 8 fixedly arranged at the bottom in the notch 7, a return spring 9 fixedly arranged at one end of the electromagnet 8 facing the outer ring body 2 and a permanent magnet 10 fixedly connected with the other end of the return spring 9, the magnetism of the permanent magnet 10 is the same as that of the electromagnet 8 when the electromagnet is powered on, one end of each permanent magnet 10, back to the corresponding return spring 9, is adhered with a rubber gasket 11, one end of the outer ring body 2 facing the rubber gasket 11 is adhered with an annular rubber ring 12 vertically aligned with the corresponding side rubber gasket 11, the adhesion degree of the permanent magnet 10 and the inner side wall of the outer ring body 2 can be improved through the contact of the rubber gasket 11 and the annular rubber ring 12, so that the fixing effect of the permanent magnet 10 on the outer ring body 2 and the inner ring body 1 is enhanced, the stability of the motor is ensured, the length of the permanent magnet 10 is larger than the distance from the outer end surface of, the length of the permanent magnet 10 is larger than the distance from the end face of the outer side of the annular baffle 6 to the end face of the inner side of the outer ring body 2, so that the other end of the permanent magnet 10 is still left in the notch 7 when the permanent magnet 10 is in contact with the inner side wall of the outer ring body 2, the permanent magnet 10 is prevented from being separated from the notch 7, and a powerful condition is provided for resetting the permanent magnet 10;

the strip-shaped grooves 13 are arranged on each accommodating cavity 5 at equal intervals, lubricating cotton 14 adsorbing lubricating oil is arranged inside each strip-shaped groove 13, the lubricating cotton 14 is in contact with the outer side wall of the cylindrical roller 3, the lubricating oil on the lubricating cotton 14 can be smeared on the outer side wall of the cylindrical roller 3 when the cylindrical roller 3 rotates through the contact of the lubricating cotton 14 and the outer side wall of the cylindrical roller 3, abrasion between the outer side wall of the cylindrical roller 3 and the inner wall of the accommodating cavity 5 is reduced, the cylindrical roller 3 and the ring body are protected, the service life of the ring body is prolonged, the strip-shaped grooves 13 are obliquely arranged inside the accommodating cavity 5, the oblique type of the strip-shaped grooves 13 is arranged inside the accommodating cavity 5, the contact area between the cylindrical roller 3 and the lubricating cotton 14 on the strip-shaped grooves 13 can be increased, the lubricating effect of the lubricating cotton 14 on the cylindrical roller 3 is improved, the inner ring body 1 and the end part of the outer ring body 2 are respectively provided with oil injection 15, can make things convenient for the packing of people to the inside lubricated cotton 14 of bar recess 13 in the oil filler point 15, in order to guarantee lubricated cotton 14 to cylindrical roller 3 lubricated effect, impartial interval sets up the intercommunicating pore 16 with bar recess 13 intercommunication on every cylindrical roller 3, cylindrical roller 3 is rotating and when extrudeing the inside lubricated cotton 14 of bar recess 13, partial fluid in the lubricated cotton 14 can enter into between cylindrical roller 3 and connecting axle 4 through intercommunicating pore 16, lubricate cylindrical roller 3 and connecting axle 4 with this, reduce the wearing and tearing that cause when cylindrical roller 3 rotates with connecting axle 4, prolong cylindrical roller 3 and connecting axle 4's life.

The specific application process of the motor shaft support structure with the positioning function is as follows: when the permanent magnet bearing is used, when the motor rotates to a required angle, the electromagnet 8 is electrified, the permanent magnet 10 moves in the notch 7 under the action of the repulsive force of the electromagnet 8 and is close to one side of the inner side wall of the outer ring body 2, then the reset spring 9 is stretched, when the rubber pad 11 on the permanent magnet 10 is tightly attached to the inner side wall of the outer ring body 2, the inner ring body 1 is fixed on the outer ring body 2 to lock the bearing, the motor can be kept at a certain rotation angle, the use of people is convenient, and when the permanent magnet 10 stretches towards the outer side of the notch 7, the attachment degree of the permanent magnet 10 and the inner side wall of the outer ring body 2 is improved through the contact between the rubber pad 11 on the permanent magnet 10 and the annular rubber ring 12 on the inner side end face of the outer ring body 2, the fixing effect of the permanent magnet 10 on the outer ring body 2 and the inner ring body 1 is enhanced, when people need to rotate the motor, the electromagnet 8 stops being electrified, and at the moment, the permanent magnet 10 retracts to the inside of the notch 7 under the pulling of the return spring 9, so that the permanent magnet 10 is reset, and the permanent magnet 10 cannot influence the normal rotation of the bearing;

when the cylindrical roller 3 between the outer ring body 2 and the inner ring body 1 rotates, lubricating oil on the lubricating cotton 14 can be coated on the outer side wall of the cylindrical roller 3 when the cylindrical roller 3 rotates through the contact of the lubricating cotton 14 and the outer side wall of the cylindrical roller 3, so as to reduce the abrasion between the outer side wall of the cylindrical roller 3 and the inner wall of the accommodating cavity 5, when the cylindrical roller 3 rotates, the lubricating cotton 14 in the strip-shaped groove 13 can be extruded by the cylindrical roller 3, so that part of oil in the lubricating cotton 14 can enter between the cylindrical roller 3 and the connecting shaft 4 through the communicating hole 16, so as to lubricate the cylindrical roller 3 and the connecting shaft 4, reduce the abrasion between the cylindrical roller 3 and the connecting shaft 4, so that the bearing can rotate more stably, and the service life of the bearing is effectively prolonged, after the lubricating cotton 14 is used for a period of time, people can fill the lubricating oil in the strip-shaped groove 13 through the oil filling hole 15, so as to ensure the lubricating effect of the lubricating cotton 14 on the cylindrical roller 3, thus completing the use process of the motor shaft supporting structure with the positioning function.

It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as limitations of the present invention, and that changes and modifications to the above described embodiments will fall within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.

Claims

1. The utility model provides a motor shaft bearing structure with locate function, this bearing structure establishes the bearing in the motor shaft outside including the cover, the bearing includes inner ring body (1), the outside of inner ring body (1) is equipped with outer ring body (2), and equidistant being equipped with cylindrical roller (3) between inner ring body (1) and outer ring body (2) to offer on inner ring body (1), the relative terminal surface of outer ring body (2) and be used for holding appearance chamber (5) of cylindrical roller (3), a serial communication port, be equipped with ring baffle (6) rather than coaxial setting on two tip of inner ring body (1), cylindrical roller (3) are connected with ring baffle (6) through connecting axle (4), and cylindrical roller (3) rotate with connecting axle (4) and are connected to the both ends of connecting axle (4) and the inside wall fixed connection of ring baffle (6), every ring baffle (6) are seted up a plurality of equidistant on the terminal surface towards outer ring body (2) inside wall The magnetic positioning device is characterized in that at least two notches (7) are formed, a fixing mechanism used for positioning the inner ring body (1) is arranged inside each notch (7), the fixing mechanism comprises an electromagnet (8) fixedly arranged at the bottom in each notch (7), a reset spring (9) fixedly arranged at one end, facing the outer ring body (2), of the electromagnet (8) and a permanent magnetic block (10) fixedly connected with the other end of the reset spring (9), the magnetism of the permanent magnetic block (10) is the same as that of the electromagnet (8) when the electromagnet is powered on, and a rubber pad (11) is adhered to one end, back to the corresponding side, of each permanent magnetic block (10) opposite to the corresponding reset spring (9).

2. The motor shaft support structure with positioning function according to claim 1, wherein an annular rubber ring (12) vertically aligned with the corresponding side rubber pad (11) is adhered to one end of the outer ring body (2) facing the rubber pad (11).

3. The motor shaft supporting structure with the positioning function according to claim 1, wherein each of the accommodating cavities (5) is provided with a strip-shaped groove (13) at equal intervals, a lubricating cotton (14) adsorbed with lubricating oil is arranged inside each strip-shaped groove (13), and the lubricating cotton (14) is in contact with the outer side wall of the cylindrical roller (3).

4. The motor shaft support structure with positioning function of claim 3, wherein the strip-shaped groove (13) is obliquely arranged inside the cavity (5).

5. The motor shaft supporting structure with the positioning function according to claim 3, wherein oil injection holes (15) corresponding to the corresponding side strip-shaped grooves (13) one by one and communicated with the corresponding strip-shaped grooves (13) are respectively formed at the end portions of the inner ring body (1) and the outer ring body (2).

6. The shaft support structure of a motor with a positioning function according to claim 3, wherein the cylindrical rollers (3) are each provided with communication holes (16) communicating with the strip-shaped grooves (13) at equal intervals.

7. A motor shaft support structure with a positioning function according to claim 1, wherein the length of the permanent magnet block (10) is longer than the distance from the outer end face of the ring-shaped baffle plate (6) to the inner end face of the outer ring body (2).