CN216850684U

CN216850684U - Cylindrical carbon commutator

Info

Publication number: CN216850684U
Application number: CN202123443876.8U
Authority: CN
Inventors: 宋泽明
Original assignee: Ruian Chengde Electric Appliance Co ltd
Current assignee: Ruian Chengde Electric Appliance Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-06-28
Anticipated expiration: 2031-12-29

Abstract

The utility model relates to the technical field of commutators, and discloses a cylindrical carbon commutator, which comprises a commutator main body, wherein an end cover is arranged at the top end of the commutator main body, a first outer carbon layer is arranged on the outer wall of the end cover, and first wire grooves distributed at equal intervals are arranged outside the first outer carbon layer; the commutator comprises a commutator body and is characterized in that an insulating base is fixedly connected to the inner side of the commutator body, clamping pieces of a symmetrically arranged annular structure are arranged on the inner side of the insulating base, and rubber pads are fixedly connected to the opposite sides of the two clamping pieces. The utility model discloses a clamping piece, rubber pad, activity groove, connecting block and compression spring that set up can be with the firm centre gripping of two clamping pieces in the outside of armature for this commutator main part stability after the installation has obtained the promotion, under the high-speed pivoted circumstances, can effectually avoid appearing the phenomenon that breaks away from, has guaranteed the operating condition of commutator main part, and is comparatively practical, is fit for extensively promoting and using.

Description

Cylindrical carbon commutator

Technical Field

The utility model relates to a commutator technical field specifically is a cylinder type carbon commutator.

Background

Commutator, also known as "commutator", is an important part of the armature of dc and ac commutator motors, and is composed of cylindrical or disk-shaped copper sheets separated by mica sheets, each copper sheet is connected with some armature winding elements, and when the armature rotates, the copper sheets are successively contacted with fixed brushes.

The applicant found that: under the condition that a direct current motor or an alternating current motor rotates at a high speed, the existing cylindrical carbon commutator has the risk of being separated from an armature of the motor, so that the integral working state is influenced to a certain extent.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cylinder type carbon commutator has solved the problem that the carbon commutator that provides exists and breaks away from the armature among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a cylindrical carbon commutator comprises a commutator main body, wherein an end cover is arranged at the top end of the commutator main body, a first outer carbon layer is arranged on the outer wall of the end cover, and first wire grooves distributed at equal intervals are formed in the outer side of the first outer carbon layer;

the commutator comprises a commutator body and is characterized in that an insulating base is fixedly connected to the inner side of the commutator body, clamping pieces of a symmetrically arranged annular structure are arranged on the inner side of the insulating base, and rubber pads are fixedly connected to the opposite sides of the two clamping pieces.

As an embodiment of the present invention, the outer wall of the commutator main body is provided with a second outer carbon layer, and the second wire slot distributed in the same distance is provided outside the second outer carbon layer.

As an embodiment of the present invention, the movable groove, two, has all been seted up to the relative one side of insulating base the clamping piece is located two movable groove one sides respectively.

As an embodiment of the present invention, two the equal sliding connection of movable groove inner wall has a connecting block, two the relative one end of connecting block is fixed connection respectively on two clamping piece one side outer walls.

As an embodiment of the utility model, two the equal fixedly connected with compression spring of activity inslot wall, two the relative one end difference fixed connection of compression spring is on two connecting block one side outer walls.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model relates to a cylinder type carbon commutator through the end cover and the insulating base that set up, is convenient for install the commutator main part in the suitable position on direct current motor or alternating current commutator motor armature.

2. The utility model relates to a cylinder type carbon commutator, through clamping piece, rubber pad, movable groove, connecting block and the compression spring who sets up, can be with the centre gripping that two clamping pieces are firm in the outside of armature for this commutator main part stability after the installation has obtained the promotion, under the high-speed pivoted condition, can effectually avoid appearing the phenomenon that breaks away from, has guaranteed the operating condition of commutator main part.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic top view of a cylindrical carbon commutator of the present invention;

fig. 2 is a schematic view of a cylindrical carbon commutator of the present invention;

fig. 3 is a schematic view of a partial sectional structure of an insulation base of a cylindrical carbon commutator according to the present invention.

In the figure: 1. a commutator body; 2. an end cap; 3. a first outer carbon layer; 4. a first wire slot; 5. a second outer carbon layer; 6. an insulating base; 7. connecting blocks; 8. a clamping member; 9. a second wire slot; 10. a movable groove; 11. a compression spring; 12. and (7) a rubber pad.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a cylindrical carbon commutator comprises a commutator body 1, wherein an end cover 2 is arranged at the top end of the commutator body 1, a first outer carbon layer 3 is arranged on the outer wall of the end cover 2, and first wire grooves 4 which are distributed at equal intervals are formed in the outer side of the first outer carbon layer 3;

the inner side of the commutator body 1 is fixedly connected with an insulating base 6, the commutator body 1 is arranged at a proper position on a direct current motor or an alternating current commutator motor armature under the action of the end cover 2 and the insulating base 6, clamping pieces 8 which are symmetrically arranged and have an annular structure are arranged on the inner side of the insulating base 6, rubber pads 12 are fixedly connected to the opposite sides of the two clamping pieces 8, and the rubber pads 12 are in contact with the outer walls of the two sides of the motor armature.

Referring to fig. 2-3, in an embodiment, a second outer carbon layer 5 is disposed on an outer wall of the commutator body 1, second slots 9 are disposed on an outer side of the second outer carbon layer 5 and are equidistantly distributed, movable slots 10 are disposed on opposite sides of the insulating base 6, and the two clamping members 8 are respectively disposed on one sides of the two movable slots 10.

Please refer to fig. 1 and 3, further, the inner walls of the two movable grooves 10 are all slidably connected with the connecting blocks 7, the opposite ends of the two connecting blocks 7 are respectively fixedly connected to the outer walls of one sides of the two clamping members 8, the inner walls of the two movable grooves 10 are all fixedly connected with the compression springs 11, the opposite ends of the two compression springs 11 are respectively fixedly connected to the outer walls of one sides of the two connecting blocks 7, the two clamping members 8 can be stably clamped outside the armature, so that the stability of the commutator body 1 after installation is improved, and under the condition of high-speed rotation, the phenomenon of separation can be effectively avoided.

It should be noted that the present invention relates to a cylindrical carbon commutator, each of which is a general standard component or a component known to those skilled in the art, and the structure and principle of the commutator can be known by the technical manual or by the conventional experimental method.

The working principle is as follows: during specific use, install commutator body 1 in the suitable position on direct current motor or alternating current commutator motor armature through end cover 2 and insulating base 6's effect, through clamping piece 8 and the rubber pad 12 that sets up, make the both sides outer wall of rubber pad 12 and motor armature contact, thereby pass through movable groove 10, connecting block 7 and compression spring 11's effect, can be in the outside of armature with the firm centre gripping of two clamping pieces 8, make this commutator body 1 stability after the installation obtain the promotion, under the high-speed pivoted condition, can effectually avoid appearing the phenomenon that breaks away from, the operating condition of commutator body 1 has been guaranteed.

Claims

1. A cylinder type carbon commutator which is characterized in that: the commutator comprises a commutator body (1), wherein an end cover (2) is arranged at the top end of the commutator body (1), a first outer carbon layer (3) is arranged on the outer wall of the end cover (2), and first wire grooves (4) which are distributed at equal intervals are formed in the outer side of the first outer carbon layer (3);

the commutator comprises a commutator body (1), and is characterized in that an insulating base (6) is fixedly connected to the inner side of the commutator body (1), clamping pieces (8) which are symmetrically arranged and have an annular structure are arranged on the inner side of the insulating base (6), and rubber pads (12) are fixedly connected to the opposite sides of the two clamping pieces (8).

2. The cylindrical carbon commutator as defined in claim 1, wherein: the outer wall of the commutator main body (1) is provided with a second outer carbon layer (5), and second wire grooves (9) which are distributed at equal intervals are formed in the outer side of the second outer carbon layer (5).

3. The cylindrical carbon commutator as defined in claim 1, wherein: the opposite side of the insulating base (6) is provided with movable grooves (10), and the two clamping pieces (8) are respectively positioned on one sides of the two movable grooves (10).

4. The cylindrical carbon commutator as defined in claim 3, wherein: two equal sliding connection in activity groove (10) inner wall has connecting block (7), two the relative one end of connecting block (7) is fixed connection respectively on two clamping piece (8) one side outer walls.

5. The cylindrical carbon commutator as defined in claim 4, wherein: two equal fixedly connected with compression spring (11) of activity groove (10) inner wall, two the relative one end difference fixed connection of compression spring (11) is on two connecting block (7) one side outer walls.