CN215934030U

CN215934030U - High-strength commutator

Info

Publication number: CN215934030U
Application number: CN202122446363.6U
Authority: CN
Inventors: 承云
Original assignee: Changzhou Xunlong Electric Appliance Co ltd
Current assignee: Changzhou Xunlong Electric Appliance Co ltd
Priority date: 2021-10-10
Filing date: 2021-10-10
Publication date: 2022-03-01
Anticipated expiration: 2031-10-10

Abstract

The utility model relates to the technical field of commutators, in particular to a high-strength commutator, which comprises a commutator body, wherein a through hole is arranged in the commutator body, a fixing groove is arranged at the outer side of the commutator body, a commutator segment is arranged in the fixing groove, a clamping groove is arranged at the inner side of the fixing groove, a connecting part is arranged at one side of the commutator segment, the connecting part is matched with the clamping groove, the connecting part and the commutator segment are integrally arranged, the commutator segment is arranged in the fixing groove at the outer layer of the commutator body, two connecting parts on the commutator segment are fixed in the clamping groove, the commutator segment is installed, the stability of the commutator segment in use can be effectively improved by adopting the arrangement of the two connecting parts, then a first fixing ring and a second fixing ring are respectively arranged in a first groove and a second groove, the firmness of the commutator segment is also effectively improved by adopting the arrangement of the two fixing rings, the commutator segment is prevented from shaking or shifting the original position in the use process, so that the practicability of the commutator is improved.

Description

High-strength commutator

Technical Field

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

Background

The motor is used as an indispensable important basic device in industry, traffic, national defense and daily life, and the downstream industries of the motor comprise almost all national economy basic industries. The commutator is one of the core devices of the motor, and is accompanied with the increasing development of the motor industry, and the commutator mainly has specifications such as hook type, groove type, plane type and the like.

For example, the patent name of publication number "CN 202021036286.6: the patent of "a modular commutator" discloses "including protruding end, commutator segment, mica and pivot, the outer surface mounting of pivot has heat radiation structure, heat radiation structure's surface cover is equipped with insulation system, insulation system is last to be radial equipartition and installs mica, mica spaced intermediate position department installs the connection piece, the commutator segment is all installed to mica's surface, the connection piece with the commutator segment is connected, protruding end is installed to one side of commutator segment, limit structure is installed to one side of protruding end, limit structure includes limiting plate, nut, fixture block, connecting rod and draw-in groove, the limiting plate is installed in one side of protruding end, the connecting rod is all installed at the both ends of limiting plate, the nut is installed to the one end of connecting rod, the fixture block is installed to one side of connecting rod bottom.

However, when the existing commutator is used, the commutator needs to be provided with a reinforcing ring to improve the overall strength of the commutator, the reinforcing ring is mostly made of metal materials, the reinforcing ring in the structure of the commutator is likely to be in direct contact with a copper sheet to generate a short circuit phenomenon, and the commutator does not have insulating performance.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the high-strength commutator with strong practicability and simple structure.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a commutator of high strength, includes commutator body, through-hole, commutator segment, connecting portion and draw-in groove, the inside through-hole that is provided with of commutator body, the commutator body outside is provided with the fixed slot, the inside commutator segment that is provided with of fixed slot, the fixed slot inboard is provided with the draw-in groove, commutator segment one side is provided with connecting portion, connecting portion and draw-in groove looks adaptation, connecting portion set up as an organic whole with the commutator segment, commutator segment one end is provided with first recess, and the other end is provided with the second recess, be provided with first solid fixed ring in the first recess, be provided with the solid fixed ring of second in the second recess.

In order to improve the connection strength of the commutator, the utility model improves that two connecting parts are arranged and symmetrically arranged on the commutator segment, and two clamping grooves are arranged and correspond to the connecting parts.

In order to improve the firmness of the commutator segment during installation, the first fixing ring and the second fixing ring are made of silver-copper alloy.

In order to improve the insulation effect of the commutator, the utility model has the improvement that the inner walls of the first fixing ring and the second fixing ring are both provided with wear-resistant pads, the wear-resistant pads are made of elastic rubber materials, and the wear-resistant pads are connected by gluing.

In order to improve the practicability of the fixing ring, the utility model improves that the surfaces of the first fixing ring and the second fixing ring are provided with high temperature resistant layers, the surfaces of the high temperature resistant layers are coated with anticorrosive layers, and the anticorrosive layers are polyethylene coatings.

In order to improve the durability of the commutator segments, the utility model improves that the commutator segments are made of metal copper materials, and a plurality of commutator segments are arranged.

(III) advantageous effects

Compared with the prior art, the utility model provides a high-strength commutator, which has the following beneficial effects:

this commutator of high strength, when using, the commutator segment is installed in the outer fixed slot of commutator body, makes two connecting portion on the commutator segment fix in the draw-in groove, realizes the installation of commutator segment, adopts the setting of two connecting portion, stability when can effectual improvement commutator segment use, then install first solid fixed ring and the solid fixed ring of second respectively in first recess and second recess, adopt the same effectual fastness that improves the commutator segment of setting up of two solid fixed rings, avoid the commutator segment to produce in the use and rock or skew in situ to improve the practicality of commutator.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged, disassembled view taken at 6 in FIG. 1, illustrating the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2A;

in the figure: 1. a commutator body; 2. a through hole; 3. a commutator segment; 4. a connecting portion; 5. a first groove; 6. a first retaining ring; 7. a card slot; 8. a second groove; 9. a second retaining ring; 10. a wear pad; 11. a high temperature resistant layer; 12. an anticorrosive layer; 13. and fixing the grooves.

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.

Please refer to fig. 1-3, a high-strength commutator comprises a commutator body 1, a through hole 2, a commutator segment 3, a connecting portion 4 and a clamping groove 7, wherein the through hole 2 is arranged inside the commutator body 1, a fixing groove 13 is arranged outside the commutator body 1, the commutator segment 3 is arranged inside the fixing groove 13, the clamping groove 7 is arranged inside the fixing groove 13, the connecting portion 4 is arranged on one side of the commutator segment 3, the connecting portion 4 is matched with the clamping groove 7, the connecting portion 4 and the commutator segment 3 are arranged integrally, a first groove 5 is arranged at one end of the commutator segment 3, a second groove 8 is arranged at the other end of the commutator segment 3, a first fixing ring 6 is arranged in the first groove 5, and a second fixing ring 9 is arranged in the second groove 8.

Furthermore, the connecting portions 4 are symmetrically arranged on the commutator segments 3, and the two clamping grooves 7 are corresponding to the connecting portions 4, so that the connecting strength of the commutator can be improved.

Furthermore, first solid fixed ring 6 and the solid fixed ring 9 of second are the silver-copper alloy material, are convenient for improve the fastness when commutator segment 3 installs.

Further, all be provided with the abrasion pad 10 on the solid fixed ring 9 inner walls of first solid fixed ring 6 and second, abrasion pad 10 is the elastic rubber material, abrasion pad 10 adopts the veneer to connect, and the insulating effect of effectual improvement commutator reduces the condition of short circuit.

Further, first solid fixed ring 6 and the solid fixed ring 9 of second are provided with high temperature resistant layer 11 on the surface, high temperature resistant layer 11 surface scribbles anticorrosive coating 12, anticorrosive coating 12 is the polyethylene coating, improves the solid fixed ring 6 of first solid fixed ring and the solid fixed ring 9's of second practicality.

Further, commutator segment 3 is made of metal copper material, commutator segment 3 is provided with a plurality ofly, can improve commutator segment 3's durability.

In summary, the working principle and working process of the high-strength commutator are that, when in use, firstly, the commutator segment 3 is installed in the fixing groove 13 on the outer layer of the commutator body 1, so that the two connecting parts 4 on the commutator segment 3 are fixed in the clamping groove 7, the installation of the commutator segment 3 is realized, the arrangement of the two connecting parts 4 can effectively improve the stability of the commutator segment 3 when in use, then the first fixing ring 6 and the second fixing ring 9 are respectively installed in the first groove 5 and the second groove 8, the arrangement of the two fixing rings also effectively improves the firmness of the commutator segment 3, avoids the commutator segment 3 from shaking or shifting in situ during use, thereby improving the practicability of the commutator, the first fixing ring 6 and the second fixing ring 9 have the same structure, the wear-resistant pad 10 is made of elastic rubber, can improve the wear-resistant effect of the first fixing ring 6 and the second fixing ring 9, still possess insulating characteristics, avoid appearing the condition appearance of short circuit, and resistant high temperature layer 11 and anticorrosive coating 12 can further improve the durability of first solid fixed ring 6 and the solid fixed ring 9 of second, avoid solid fixed ring to appear damaging and lead to the commutator to use for a long time.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A high strength commutator characterized by: comprises a commutator body (1), a through hole (2), a commutator segment (3), a connecting part (4) and a clamping groove (7), a through hole (2) is arranged in the commutator body (1), a fixing groove (13) is arranged on the outer side of the commutator body (1), the commutator segment (3) is arranged in the fixed groove (13), the inner side of the fixed groove (13) is provided with a clamping groove (7), one side of the commutator segment (3) is provided with a connecting part (4), the connecting part (4) is matched with the clamping groove (7), the connecting part (4) and the commutator segment (3) are arranged integrally, one end of the commutator segment (3) is provided with a first groove (5), the other end is provided with a second groove (8), a first fixing ring (6) is arranged in the first groove (5), and a second fixing ring (9) is arranged in the second groove (8).

2. A high strength commutator according to claim 1, wherein: the number of the connecting parts (4) is two, the connecting parts are symmetrically arranged on the commutator segment (3), and the number of the clamping grooves (7) is two and corresponds to the connecting parts (4).

3. A high strength commutator according to claim 1, wherein: the first fixing ring (6) and the second fixing ring (9) are made of silver-copper alloy materials.

4. A high strength commutator according to claim 1, wherein: all be provided with wear pad (10) on first solid fixed ring (6) and the solid fixed ring of second (9) inner wall, wear pad (10) are the elastic rubber material, wear pad (10) adopt the veneer to connect.

5. A high strength commutator according to claim 1, wherein: first solid fixed ring (6) and the solid fixed ring of second (9) are provided with high temperature resistant layer (11) on the surface, high temperature resistant layer (11) surface scribbles anticorrosive coating (12), anticorrosive coating (12) are the polyethylene coating.

6. A high strength commutator according to claim 1, wherein: the commutator segment (3) is made of metal copper materials, and the commutator segment (3) is provided with a plurality of.