CN219554125U

CN219554125U - Groove-shaped reverser

Info

Publication number: CN219554125U
Application number: CN202320576056.6U
Authority: CN
Inventors: 宋泽明
Original assignee: Ruian Chengde Electric Appliance Co ltd
Current assignee: Ruian Chengde Electric Appliance Co ltd
Priority date: 2023-03-22
Filing date: 2023-03-22
Publication date: 2023-08-18
Anticipated expiration: 2033-03-22

Abstract

The utility model relates to the technical field of groove-type commutators, and provides a groove-type commutator which comprises a commutator body, a commutator segment and a through groove, wherein the commutator segment is arranged on the outer side of the commutator body, the through groove is formed in the commutator body, a reinforcing structure is arranged in the through groove, a fixing structure is arranged in the commutator segment, the fixing structure comprises a fixing bolt, a through hole and a fixing groove, the through hole is formed in the commutator segment, the fixing groove is formed in the commutator body, one end of the fixing bolt is inserted into the fixing groove, and external threads are arranged on the outer side of the fixing bolt. According to the utility model, the fixing structure is arranged, so that the situation of flying sheets in the using process of the reversing sheet is prevented, the reversing sheet can be fixed through the cooperation of the fixing bolt, the through hole and the fixing groove, the reversing sheet is more stable in rotation, and the material of the fixing bolt is the same as that of the reversing sheet, so that the using of the reversing sheet is not influenced, and the fixing effect is improved.

Description

Groove-shaped reverser

Technical Field

The utility model relates to the technical field of groove-shaped commutators, in particular to a groove-shaped commutator.

Background

Commutators are also known as commutators, an important component of the armature of dc and ac commutators. A plurality of copper sheets separated by mica sheets form a cylinder or a disc, each copper sheet is connected with a plurality of armature winding elements, and a plurality of types of commutators can be divided into a planar commutator, a hook-type commutator and a slot-type commutator, wherein the slot-type commutator is widely used.

For this reason, the patent of publication number CN210120305U discloses a groove type commutator, including bakelite powder base member and the commutator segment of circumference equipartition is done at the excircle of bakelite powder base member, and the top excircle of commutator segment is equipped with the welding wire groove, leaves insulating distance and is equipped with the insulating groove each other between the adjacent commutator segment, its characterized in that: the welding line groove is surrounded by the partial surface of the top excircle of the reversing sheet and the side baffles positioned on two sides of the partial surface of the top excircle of the reversing sheet, and the side baffles and the bakelite powder matrix are of an integrated structure. The utility model has less material consumption and low cost, solves the problems of loose and air holes in the groove-shaped commutator during the injection molding of the groove-shaped commutator product, better ensures the mechanical strength and dynamic balance performance of the groove-shaped commutator, and ensures that the groove-shaped commutator can adapt to higher-speed operation occasions;

according to the prior art, the defect that the flyer is easy to appear when the commutator segment is used for a long time exists in the process of producing the traditional groove-type commutator, the commutator segment is installed on the outer side of the commutator, the adopted method is generally to install the commutator segment in a dovetail groove mode, and the commutator segment is required to rotate at a high speed by matching with a rotating shaft, so that the situation that the flyer is fallen off under the action of a centrifugal force for a long time is caused, and the commutator cannot be damaged and used continuously.

Disclosure of Invention

First, the technical problem to be solved

The utility model aims to provide a groove-shaped commutator which is used for solving the defect that a commutator segment flies in the long-time use process of the conventional groove-shaped commutator.

(II) summary of the utility model

In order to solve the technical problems, the utility model provides the following technical scheme: the groove-type commutator comprises a commutator body, commutator segments and through grooves, wherein the commutator segments are arranged on the outer side of the commutator body, and the through grooves are formed in the commutator body;

the inside of logical groove is provided with additional strengthening, the inside of commutator segment is provided with fixed knot structure, fixed knot constructs including gim peg, through-hole and fixed groove, the through-hole is seted up in the inside of commutator segment.

Preferably, the fixing groove is formed in the commutator body, and one end through hole of the fixing bolt is inserted into the fixing groove.

Preferably, the outer side of the fixing bolt is provided with external threads, the inner side wall of the fixing groove is provided with internal threads, and the fixing bolt is in threaded connection with the fixing groove.

Preferably, the fixing bolts are arranged in a plurality, and the fixing bolts are distributed annularly on the outer side of the commutator body.

Preferably, the reinforcing structure comprises a reinforcing collar, a fixing screw and a mounting groove, wherein the reinforcing collar is arranged in the through groove, the mounting groove is formed in the top end of the reinforcing collar, the fixing screw is arranged in the mounting groove, and one end of the fixing screw penetrates through the mounting groove and is inserted into the inside of the top end of the commutator body.

Preferably, the outer diameter of the reinforcing lantern ring is slightly larger than the inner diameter of the through groove, and the reinforcing lantern ring and the through groove form interference clamping connection.

Preferably, the reinforcing collar is made of stainless steel.

(III) beneficial effects

The groove-type commutator provided by the utility model has the advantages that: through the fixing structure, in order to prevent the situation of flying sheets in the using process of the reversing sheet, the reversing sheet can be fixed through the cooperation of the fixing bolt, the through hole and the fixing groove, so that the reversing sheet is more stable in rotation, and the material of the fixing bolt is the same as that of the reversing sheet, so that the use of the reversing sheet is not influenced, and the fixing effect is improved;

through being provided with additional strengthening, in order to improve the intensity of logical inslot wall, make it can not take place the condition of deformation easily when using, consequently through the use of strengthening the lantern ring, can carry out a enhancement to the inner wall of logical groove, improve the intensity of logical inslot wall, make the commutator main part can not appear damaging because of the inner wall warp when using to the effect of strengthening has been improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic top view of the present utility model;

FIG. 2 is a schematic elevational view of the present utility model;

FIG. 3 is a schematic cross-sectional elevation view of the present utility model;

FIG. 4 is a schematic view of the structure of the present utility model shown in FIG. 3 at a partially enlarged scale;

FIG. 5 is a schematic cross-sectional elevation view of a fastening structure according to the present utility model;

fig. 6 is a schematic front perspective view of the reinforcing structure of the present utility model.

Reference numerals in the drawings illustrate: 1. a commutator body; 2. a reversing sheet; 3. a reinforcing structure; 301. a reinforcing collar; 302. a set screw; 303. a mounting groove; 4. a through groove; 5. a fixed structure; 501. a fixing bolt; 502. a through hole; 503. a fixing groove.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1

Referring to fig. 1-6, the slot-type commutator provided by the utility model comprises a commutator body 1, a commutator segment 2 and a through slot 4, wherein the commutator segment 2 is arranged on the outer side of the commutator body 1, the through slot 4 is arranged in the commutator body 1, a reinforcing structure 3 is arranged in the through slot 4, a fixing structure 5 is arranged in the commutator segment 2, the fixing structure 5 comprises a fixing bolt 501, a through hole 502 and a fixing slot 503, the through hole 502 is arranged in the commutator segment 2, the fixing slot 503 is arranged in the commutator body 1, one end through hole 502 of the fixing bolt 501 is inserted into the fixing slot 503, external threads are arranged on the outer side of the fixing bolt 501, internal threads are arranged on the inner side wall of the fixing slot 503, the fixing bolt 501 and the fixing slot 503 form threaded connection, a plurality of fixing bolts 501 are arranged, and the fixing bolts 501 are distributed annularly on the outer side of the commutator body 1.

The working principle of the groove-type commutator based on the embodiment 1 is as follows: when the commutator body 1 is used, one end of the fixing bolt 501 is inserted into the fixing groove 503 through the through hole 502, the fixing bolt 501 is rotated after the insertion is completed, and the commutator segment 2 is fixed along with the rotation between the fixing bolt 501 and the fixing groove 503, so that the condition that the commutator segment 2 is not easy to fly in the using process is avoided, and the fixing work is completed.

Example two

The embodiment further includes: the inside of logical groove 4 is provided with reinforced structure 3, reinforced structure 3 includes the reinforcing lantern ring 301, fixed screw 302 and mounting groove 303, the reinforcing lantern ring 301 sets up in the inside of logical groove 4, the top of reinforcing lantern ring 301 is provided with mounting groove 303, the inside of mounting groove 303 is provided with fixed screw 302, the inside on commutator main part 1 top is inserted into to the one end of fixed screw 302 through mounting groove 303, the external diameter of reinforcing lantern ring 301 is slightly greater than the internal diameter of logical groove 4, constitute interference joint between reinforcing lantern ring 301 and the logical groove 4, the reinforcing lantern ring 301 is the stainless steel material.

In this embodiment, when assembling the commutator body 1, the reinforcing collar 301 is aligned with the top end of the through groove 4, and then is mounted in the through groove 4 by means of interference clamping after alignment, and the fixing screw 302 penetrates through the inside of the mounting groove 303 and is inserted into a threaded hole that is pre-punched in the top end of the commutator body 1, so that the reinforcing collar 301 is further fixed, at this time, the strength of the inner wall of the through groove 4 can be enhanced by using the reinforcing collar 301, and the inner wall of the through groove 4 cannot be deformed easily in the long-time use process, thereby completing the reinforcing work.

The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present utility model without undue burden.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The utility model provides a groove type commutator, includes commutator body (1), commutator segment (2) and logical groove (4), its characterized in that: the outer side of the commutator body (1) is provided with a commutator segment (2), and a through groove (4) is formed in the commutator body (1);

the inside of logical groove (4) is provided with additional strengthening (3), the inside of switching-over piece (2) is provided with fixed knot structure (5), fixed knot structure (5) are including dead bolt (501), through-hole (502) and fixed slot (503), through-hole (502) are seted up in the inside of switching-over piece (2).

2. A trough type commutator as defined in claim 1, in which: the fixing groove (503) is formed in the commutator body (1), and one end through hole (502) of the fixing bolt (501) is inserted into the fixing groove (503).

3. A trough type commutator as defined in claim 1, in which: the outer side of the fixing bolt (501) is provided with external threads, the inner side wall of the fixing groove (503) is provided with internal threads, and the fixing bolt (501) and the fixing groove (503) form threaded connection.

4. A trough type commutator as defined in claim 1, in which: the fixing bolts (501) are arranged in a plurality, and the fixing bolts (501) are distributed annularly on the outer side of the commutator body (1).

5. A trough type commutator as defined in claim 1, in which: the reinforcing structure (3) comprises a reinforcing collar (301), a fixing screw (302) and a mounting groove (303), wherein the reinforcing collar (301) is arranged inside the through groove (4), the mounting groove (303) is formed in the top end of the reinforcing collar (301), the fixing screw (302) is arranged inside the mounting groove (303), and one end of the fixing screw (302) penetrates through the mounting groove (303) to be inserted into the inside of the top end of the commutator main body (1).

6. A trough type commutator as defined in claim 5, wherein: the outer diameter of the reinforcing collar (301) is slightly larger than the inner diameter of the through groove (4), and the reinforcing collar (301) and the through groove (4) form interference clamping connection.

7. A trough type commutator as defined in claim 5, wherein: the reinforcing collar (301) is made of stainless steel.