CN216214696U

CN216214696U - Commutator

Info

Publication number: CN216214696U
Application number: CN202122710710.1U
Authority: CN
Inventors: 徐国宝; 咸传伟; 黄海岗; 曹赛
Original assignee: Jiangsu Weilifu Transmission Technology Co ltd
Current assignee: Jiangsu Weilifu Transmission Technology Co ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-04-05
Anticipated expiration: 2031-11-09

Abstract

The utility model discloses a commutator in the technical field of motor commutator devices, which comprises a commutator body, wherein the commutator body comprises a corner box body and an input flange, a reversing mechanism is arranged in the corner box body, an input shaft is arranged in the center of the inner part of the input flange, a deep groove ball bearing A is arranged on one side of the outer wall of the input shaft, a pin is arranged below the outer wall of one side of the deep groove ball bearing A, and an output shaft B is arranged at one end of the pin.

Description

Commutator

Technical Field

The utility model relates to the technical field of motor commutator devices, in particular to a commutator.

Background

A commutator is also called a "commutator". An important component on dc motors and ac commutator motor armatures. The armature winding element is made of a plurality of copper sheets separated by mica sheets, and each copper sheet is connected with some armature winding elements. When the armature rotates, the copper sheets are successively contacted with the fixed brushes. In a dc motor, ac power in an armature winding is converted into dc power between brushes by the brushes and a commutator. In an AC commutator motor, the frequency of the AC current between brushes is made to meet operating requirements.

The existing commutator has the defects that: most commutators are large in size, so that the bearing torsion force is small, the precision is affected, the noise is large, the using effect and the user experience are reduced, and meanwhile, the working quality and the working efficiency of the commutators are also caused.

Therefore, it is necessary to develop a commutator.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a commutator, which is provided with a reversing mechanism, wherein an arc gear on an output shaft B is meshed and connected with a bevel gear on the reversing mechanism, so that the commutator body is subjected to reversing operation, and meanwhile, the commutator is small in size, large in bearing torque, high in precision, low in noise, stable in operation and long in service life, so that the problem of poor using effect of the commutator in the background technology is solved.

In order to achieve the purpose, the utility model provides the following technical scheme: the commutator comprises a commutator body, the commutator body comprises a corner box body and an input flange, the internally mounted of the corner box body is provided with a reversing mechanism, the internal center of the input flange is provided with an input shaft, a deep groove ball bearing A is installed on one side of the outer wall of the input shaft, a pin is installed below the outer wall on one side of the deep groove ball bearing A, and an output shaft B is installed on one end of the pin.

Preferably, telescopic columns are installed above and below the inner walls of the two sides of the corner box body, and springs are arranged on the outer walls of the telescopic columns.

Preferably, a sun gear is installed at one end of the input shaft, and a baffle is installed between the sun gear and the deep groove ball bearing A.

Preferably, the outer wall of the pin column is provided with a planet wheel.

Preferably, the reversing mechanism comprises an output shaft A, and single-row deep groove ball bearings are mounted above and below the outer wall of the output shaft A.

Preferably, the bottom end part of the single-row deep groove ball bearing at the upper end part is provided with a bevel gear, and the hole wall of the bevel gear is fixedly connected with the outer wall of the output shaft A.

Preferably, the outer wall central point of output shaft A puts and is provided with the packing ring, the lock sleeve is all installed to output shaft A's top and bottom.

Preferably, deep groove ball bearings B are installed on two sides of the outer wall of the output shaft B, a hole check ring is installed between the opposite sides of the deep groove ball bearings B, a shaft check ring is installed on the outer wall of one side of the deep groove ball bearings B at the left side end, and an arc gear is installed on the outer wall of one end of the output shaft B.

Compared with the prior art, the utility model has the beneficial effects that:

the reversing mechanism is arranged in the corner box body, and a plurality of groups of telescopic columns are arranged between the corner box body and the single-row deep groove ball bearings on the reversing mechanism, so that the reversing mechanism is buffered by springs on the telescopic columns in the operation process, the damage to the reversing mechanism is reduced, and the stability and the durability of the reversing mechanism body in the operation process are improved;

the motor shaft is matched with an input shaft of a speed reducer, when a sun gear on the input shaft rotates clockwise, a planet gear is driven to rotate anticlockwise and to do autorotation motion, an inner gear ring is fixed, the planet gear rotates and drives an output shaft B to rotate clockwise and to do revolution motion, so that the transmission of speed reduction and torque is realized, a curved gear is installed on the output shaft B, a bevel gear is installed on the output shaft A, teeth on the curved gear are meshed and connected with teeth on the bevel gear, the output shaft B is driven to rotate, the integral rigidity of the equipment is enhanced by using locking screws at two ends of an input end and an output end, the transmission of the output shaft A and the output shaft B is more stable by using a double-bearing structure, the input end is firmer by pressing the sun gear into the input shaft in an interference fit manner by adopting a spline structure, and 90-degree reversing can be realized, the commutator has the function of commutation, and the commutator body has small volume, large bearing torque, high precision, low noise, stable operation and long service life.

Drawings

FIG. 1 is an elevational, cross-sectional view provided by the present invention;

FIG. 2 is a front view provided by the present invention;

FIG. 3 is a left side sectional view of the corner box of the present invention;

FIG. 4 is a connection diagram of the overall transmission structure provided by the present invention;

FIG. 5 is a front sectional view of the reversing mechanism provided by the present invention;

fig. 6 is a perspective view of the overall structure provided by the present invention.

In the figure: 1. a commutator body; 2. a corner box body; 201. a telescopic column; 202. a spring; 3. an input flange; 301. an input shaft; 302. a deep groove ball bearing A; 303. a sun gear; 304. a baffle plate; 305. a pin; 306. a planet wheel; 4. a reversing mechanism; 401. an output shaft A; 402. a single-row deep groove ball bearing; 403. a bevel gear; 404. a gasket; 405. a locking sleeve; 5. an output shaft B; 501. a deep groove ball bearing B; 502. a hole retainer ring; 503. a shaft retainer ring; 504. an arc gear.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides the following technical scheme: the commutator can effectively improve the using effect of the commutator in the using process, and adds a reversing mechanism 4, please refer to fig. 1-6, which comprises a commutator body 1, wherein the commutator body 1 comprises a corner box body 2 and an input flange 3, so that the corner box body 2 and the input flange 3 form an integral commutator frame, the reversing mechanism 4 is arranged in the corner box body 2, the reversing mechanism 4 comprises an output shaft A401, single-row deep groove ball bearings 402 are respectively arranged above and below the outer wall of the output shaft A401, the single-row deep groove ball bearings 402 are most suitable for equipment requiring high-speed rotation, low noise and low vibration, the output shaft A401 is increased to rotate at high speed, the noise is low, a bevel gear 403 is arranged at the bottom end part of the single-row deep groove ball bearing 402 at the upper end part, the hole wall of the bevel gear 403 is fixedly connected with the outer wall of the output shaft A401, so that the bevel gear 403 can be meshed with an arc gear 504, a gasket 404 is arranged at the center of the outer wall of the output shaft A401, a locking sleeve 405 is arranged at the top end and the bottom end of the output shaft A401, the output shaft A401 can be connected and installed with external equipment through the locking sleeve 405, the input shaft 301 is arranged at the center of the inner portion of the input flange 3, a deep groove ball bearing A302 is arranged on one side of the outer wall of the input shaft 301, the deep groove ball bearing A302 has the advantages of being small in friction resistance and high in rotating speed, a pin column 305 is arranged below the outer wall of one side of the deep groove ball bearing A302, and an output shaft B5 is arranged at one end of the pin column 305;

telescopic columns 201 are respectively arranged above and below the inner walls of two sides of the corner box body 2, springs 202 are arranged on the outer walls of the telescopic columns 201, a reversing mechanism 4 is arranged inside the corner box body 2, and a plurality of groups of telescopic columns 201 are arranged between the corner box body 2 and a single-row deep groove ball bearing 402 on the reversing mechanism 4, so that the springs 202 on the telescopic columns 201 buffer the reversing mechanism 4 in operation, the damage to the reversing mechanism 4 is reduced, and the stability and the durability of the commutator body 1 in operation are improved;

a sun gear 303 is installed at one end of the input shaft 301, the sun gear 303 is pressed into the input shaft 301 in an interference manner by adopting a spline structure, so that the input end is firmer, and the 90-degree reversing can be realized, a baffle 304 is installed between the sun gear 303 and the deep groove ball bearing A302, a planet wheel 306 is installed on the outer wall of the pin 305, and when the sun gear 303 on the input shaft 301 rotates clockwise, the planet wheel 306 is driven to rotate anticlockwise, so that the planet wheel 306 can rotate on its own axis;

deep groove ball bearings B501 are mounted on two sides of the outer wall of an output shaft B5, a hole retaining ring 502 is mounted between opposite sides of the deep groove ball bearings B501, a shaft retaining ring 503 is mounted on the outer wall of one side of the deep groove ball bearing B501 at the left end, an arc gear 504 is mounted on the outer wall of one end of the output shaft B5, teeth on the arc gear 504 are meshed and connected with teeth on a bevel gear 403, the output shaft B5 is made to rotate, and the output shaft A401 is driven to rotate.

The working principle is as follows: when the utility model is used, a motor shaft is matched with an input shaft 301 of a speed reducer, when a sun gear 303 on the input shaft 301 rotates clockwise, a planet gear 306 is driven to rotate anticlockwise and rotate, due to the fixation of an inner gear ring, the planet gear 306 rotates clockwise and drives an output shaft B5 to rotate revolute, so that the speed reduction and the torque transmission are realized, an arc gear 504 is installed on an output shaft B5, a bevel gear 403 is installed on an output shaft A401, teeth on the arc gear 504 are meshed and connected with teeth on the bevel gear 403, so that the output shaft B5 rotates and drives the output shaft A401 to rotate, the overall rigidity of the device is enhanced by using locking screws at the two ends of the input and the output shafts, the output shaft A401 and the output shaft B5 are driven more stably by adopting a double-bearing structure for the output shaft A401 and the output shaft B5, and the sun gear 303 is pressed into the input shaft 301 by adopting a spline structure, the input end is firmer, 90-degree reversing can be realized, the commutator has the reversing function, and meanwhile, the commutator body 1 is small in size, large in bearing torque, high in precision, low in noise, stable in operation and long in service life.

While the utility model has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The commutator comprises a commutator body (1), and is characterized in that: commutator body (1) includes corner box (2) and input flange (3), the internally mounted of corner box (2) has reversing mechanism (4), the inside central point of input flange (3) puts and installs input shaft (301), deep groove ball bearing A (302) is installed to outer wall one side of input shaft (301), round pin post (305) are installed to one side outer wall below of deep groove ball bearing A (302), output shaft B (5) are installed to the one end of round pin post (305).

2. The commutator of claim 1, wherein: telescopic columns (201) are installed above and below the inner walls of the two sides of the corner box body (2), and springs (202) are arranged on the outer walls of the telescopic columns (201).

3. The commutator of claim 1, wherein: a sun gear (303) is installed at one end of the input shaft (301), and a baffle (304) is installed between the sun gear (303) and the deep groove ball bearing A (302).

4. The commutator of claim 1, wherein: and a planet wheel (306) is arranged on the outer wall of the pin column (305).

5. The commutator of claim 1, wherein: the reversing mechanism (4) comprises an output shaft A (401), and single-row deep groove ball bearings (402) are mounted above and below the outer wall of the output shaft A (401).

6. The commutator of claim 5, wherein: the bottom end part of the single-row deep groove ball bearing (402) at the upper end part is provided with a bevel gear (403), and the hole wall of the bevel gear (403) is fixedly connected with the outer wall of the output shaft A (401).

7. The commutator of claim 6, wherein: the outer wall central point of output shaft A (401) puts and is provided with packing ring (404), lock sleeve (405) are all installed to the top and the bottom of output shaft A (401).

8. The commutator of claim 1, wherein: deep groove ball bearing B (501) are all installed to the outer wall both sides of output shaft B (5), install porose retaining ring (502) between the relative one side of deep groove ball bearing B (501), the left side end axle retaining ring (503) are installed to one side outer wall of deep groove ball bearing B (501), arc gear (504) are installed to the one end outer wall of output shaft B (5).