CN216529751U

CN216529751U - Commutator

Info

Publication number: CN216529751U
Application number: CN202123119586.8U
Authority: CN
Inventors: 李克拉
Original assignee: Ruian Keshi Electric Appliance Co ltd
Current assignee: Ruian Keshi Electric Appliance Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-05-13
Anticipated expiration: 2031-12-13

Abstract

The utility model relates to a commutator, which comprises a power exchanging sheet and a connecting bush, wherein one end of the power exchanging sheet is fixedly connected with a support leg, the support leg is fixedly connected on the connecting bush in an annular shape, a first insulating groove is arranged between adjacent power exchanging sheets, the right end of the connecting bush is fixedly connected with an insulating support ring, fixing grooves are uniformly formed in the outer side of the insulating support ring, fixing pins matched with the fixing grooves are fixedly connected to the bottom of the power exchanging sheet, the cross sections of the fixing grooves and the fixing pins are all in an isosceles trapezoid shape, a reinforcing mechanism is arranged in the insulating support ring, the reinforcing mechanism is composed of metal support rings and support rods, the number of the metal support rings is three, the metal support rings are fixedly connected through the support rods, the commutator has higher mechanical support strength and good stability, and can meet the use of a motor or an electric tool under high-speed rotation, the service life of the commutator is prolonged.

Description

Commutator

Technical Field

The utility model relates to a commutator, and belongs to the technical field of commutators.

Background

In order to improve the mechanical strength and the high-speed performance of commutator products, reinforcing rings are arranged in some commutator products, the reinforcing rings are usually arranged in reinforcing ring grooves formed in an insulating copper sleeve, the existing commutator reinforcing rings are usually in an annular shape and used for improving the strength of a commutator, the reinforcing rings are arranged at the upper part and the lower part of the commutator in the traditional commutator with the reinforcing rings, the bonding strength between a commutator segment and the upper part and the lower part of an insulating sleeve is reinforced, but the commutator segment and the middle part of the insulating sleeve are only arranged in a joint mode, and due to the high-speed operation of the commutator, the commutator segment is easily separated from the middle part of the insulating sleeve, the strength of the commutator is influenced, the service performance of the commutator is also influenced, and the speed requirement of an electric tool cannot be completely met; therefore, how to solve the above defects becomes a problem to be solved in the present invention.

To solve the above problems, a commutator is proposed in the present application.

Disclosure of Invention

The technical problem to be solved by the utility model is to overcome the existing defects, and provide the commutator which has higher mechanical support strength and good stability, can meet the use requirement of a motor or an electric tool under high-speed rotation, prolongs the service life of the commutator, and can effectively solve the problems in the background art.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model provides a commutator, includes and trades electric piece, connecting bushing, trade electric piece one end fixedly connected with stabilizer blade, the stabilizer blade is annular fixed connection on connecting bushing, be provided with first insulation groove between the adjacent electric piece that trades, the insulating support ring of connecting bushing right-hand member fixedly connected with, the fixed slot has evenly been seted up in the insulating support ring outside, trade electric piece bottom fixedly connected with and fixed slot assorted fixed foot, the cross-section of fixed slot, fixed foot all sets up to isosceles trapezoid, the inside reinforcing mechanism that is provided with of insulating support ring, reinforcing mechanism comprises metal support ring, bracing piece, metal support ring's figure sets up to three, through bracing piece fixed connection between the metal support ring.

As a further improvement of the utility model, the support legs are arranged in a cuboid shape, and a second insulating groove is arranged between the adjacent support legs.

As a further improvement of the utility model, the outer diameter of the insulating support ring is smaller than that of the connecting bush, and the connecting bush and the insulating support ring are connected in a stepped manner.

As a further improvement of the utility model, a first shaft hole is arranged inside the connecting bush, a second shaft hole is arranged inside the insulating support ring, and the diameters of the first shaft hole and the second shaft hole are equal.

As a further improvement of the utility model, a plurality of connecting grooves matched with the supporting rods are uniformly formed on the outer surface of the metal supporting ring, and the metal supporting rings are connected into an integral structure through the supporting rods.

As a further improvement of the utility model, the insulating support ring and the reinforcing mechanism are of an integrally formed structure, and the length of the insulating support ring is greater than that of the reinforcing mechanism.

The utility model has the beneficial effects that: the utility model provides a commutator, is through being provided with by metal support ring, bracing piece fixed connection reinforcing mechanism as an organic whole in insulating support ring inside, when motor or electric tool rotate at a high speed, reinforcing mechanism can effectively provide stable support, has effectively improved the holistic mechanical strength of commutator, has higher mechanical support intensity, and stability is good, can satisfy motor or electric tool and rotate the use down at a high speed, has improved the life of commutator.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

Fig. 1 is a structural view of a commutator of the present invention.

Fig. 2 is a right side view of a commutator of the present invention.

Fig. 3 is a cross-sectional view of a commutator of the utility model.

Fig. 4 is a structural view of a reinforcing mechanism of a commutator of the utility model.

Reference numbers in the figures: 1. a power change sheet; 2. a support leg; 3. connecting the bushing; 4. a first shaft hole; 5. a first insulation groove; 6. a second insulating trench; 7. fixing grooves; 8. an insulating support ring; 9. a reinforcement mechanism; 10. a second shaft hole; 11. a metal support ring; 12. a fixing leg; 13. a support rod.

Detailed Description

The present invention will be further described with reference to the following detailed description, wherein the drawings are for illustrative purposes only and are not intended to be limiting, wherein certain elements may be omitted, enlarged or reduced in size, and are not intended to represent the actual dimensions of the product, so as to better illustrate the detailed description of the utility model.

In order to make the technical means, the original characteristics, the achieved objects and the functions of the present invention easy to understand, in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or the positional relationship based on the orientation or the positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the referred device or element must have a specific orientation, be constructed in a specific orientation and operation, and thus not be understood as limiting the present invention, and furthermore, the terms "first", "second" and "third" are only used for descriptive purposes and not to indicate or imply relative importance, and the present invention is further explained below with reference to the specific embodiments.

Examples

As shown in fig. 1-4, a commutator comprises a power conversion sheet 1 and a connecting bush 3, wherein one end of the power conversion sheet 1 is fixedly connected with a support leg 2, the support legs 2 are fixedly connected on the connecting bush 3 in a ring shape, a first insulating groove 5 is arranged between the adjacent battery replacing plates 1, the right end of the connecting bush 3 is fixedly connected with an insulating support ring 8, the outer side of the insulating support ring 8 is uniformly provided with fixing grooves 7, the bottom of the electricity-exchanging piece 1 is fixedly connected with a fixed pin 12 matched with the fixed groove 7, the sections of the fixed groove 7 and the fixed pin 12 are both in an isosceles trapezoid shape, a reinforcing mechanism 9 is arranged inside the insulating support ring 8, the reinforcing mechanism 9 is composed of a metal support ring 11 and a support rod 13, the number of the metal support rings 11 is three, and the metal support rings 11 are fixedly connected through support rods 13.

Through being provided with by metal support ring 11, bracing piece 13 fixed connection reinforcement mechanism 9 as an organic whole in insulating support ring 8 inside, when motor or electric tool rotate at a high speed, reinforcement mechanism 9 can effectively provide stable support, has effectively improved the holistic mechanical strength of commutator.

In this embodiment, the support legs 2 are rectangular parallelepiped, and a second insulation groove 6 is disposed between the adjacent support legs 2.

In this embodiment, the outer diameter of the insulating support ring 8 is smaller than the outer diameter of the connecting bush 3, and the connecting bush 3 and the insulating support ring 8 are connected in a stepped manner.

In the present embodiment, a first shaft hole 4 is provided inside the connecting bush 3, a second shaft hole 10 is provided inside the insulating support ring 8, and the first shaft hole 4 and the second shaft hole 10 have the same diameter.

In this embodiment, a plurality of connecting grooves matched with the supporting rods 13 are uniformly formed in the outer surface of the metal support ring 11, and the metal support ring 11 is connected into an integral structure through the supporting rods 13.

In the present application, the metal support ring 11 is preferably an aluminum alloy ring, a copper alloy ring or a stainless steel ring with high support strength, and the support rod 13 is fixedly connected to the connection groove by welding or die casting.

In this embodiment, the insulating support ring 8 and the reinforcing mechanism 9 are of an integrally formed structure, the length of the insulating support ring 8 is greater than that of the reinforcing mechanism 9, and the two ends of the reinforcing mechanism 9 are sealed by using the same insulating material as that of the insulating support ring 8, so that the insulating performance of the insulating support ring 8 is not affected while the supporting strength of the insulating support ring 8 is improved.

The working principle of the utility model is as follows: when assembling the commutator, mode fixed connection such as with connecting bush 3 and insulating support ring 8 through the heat-seal couples together, insert insulating support ring 8 through fixed slot 7 with the fixed foot 12 on the electricity changing piece 1 on, the right-hand member of electricity changing piece 1 and the one end of stabilizer blade 2 are passed through the plastic and are carried out the heat-seal, accomplish the equipment to the commutator, improve the insulating properties of commutator, owing to be provided with by metal support ring 11, bracing piece 13 fixed connection reinforcing mechanism 9 as an organic whole in insulating support ring 8 is inside, the holistic mechanical strength of commutator has effectively been improved.

Through the technical scheme, the utility model has the following beneficial effects: the utility model provides a commutator, through at insulating support ring 8 inside be provided with by metal support ring 11, bracing piece 13 fixed connection reinforcing mechanism 9 as an organic whole, when motor or electric tool rotate at a high speed, reinforcing mechanism 9 can effectively provide stable support, has effectively improved the holistic mechanical strength of commutator, has higher mechanical support intensity, and stability is good, can satisfy motor or electric tool and rotate the use down at a high speed, has improved the life of commutator.

While there have been shown and described what are at present considered the preferred embodiments of the utility model, the fundamental principles and essential features of the utility model and advantages thereof, it will be understood by those skilled in the art that the utility model is not limited by the embodiments described above, which are included to illustrate the principles of the utility model, but that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims

1. The utility model provides a commutator, includes and trades electric piece (1), connecting bush (3), trade electric piece (1) one end fixedly connected with stabilizer blade (2), stabilizer blade (2) are annular fixed connection on connecting bush (3), its characterized in that: it is adjacent be provided with first insulation groove (5) between electricity conversion piece (1), connecting bushing (3) right-hand member fixedly connected with insulating support ring (8), fixed slot (7) have evenly been seted up in insulating support ring (8) outside, electricity conversion piece (1) bottom fixedly connected with and fixed slot (7) assorted fixed foot (12), the cross-section of fixed slot (7), fixed foot (12) all sets up to isosceles trapezoid, insulating support ring (8) inside is provided with reinforcing mechanism (9), reinforcing mechanism (9) comprise metal-support ring (11), bracing piece (13), the figure of metal-support ring (11) sets up to three, through bracing piece (13) fixed connection between metal-support ring (11).

2. A commutator according to claim 1, wherein: the stabilizer blade (2) are the setting of cuboid shape, be provided with second insulating groove (6) between adjacent stabilizer blade (2).

3. A commutator according to claim 1, wherein: the outer diameter of the insulating support ring (8) is smaller than that of the connecting bush (3), and the connecting bush (3) and the insulating support ring (8) are connected in a stepped mode.

4. A commutator according to claim 1, wherein: the inside of connecting bush (3) is provided with first shaft hole (4), the inside of insulating support ring (8) is provided with second shaft hole (10), the aperture in first shaft hole (4) and second shaft hole (10) equals.

5. A commutator according to claim 1, wherein: a plurality of connecting grooves matched with the supporting rods (13) are uniformly formed in the outer surface of the metal supporting ring (11), and the metal supporting ring (11) is connected into an integral structure through the supporting rods (13).

6. A commutator according to claim 1, wherein: the insulating support ring (8) and the reinforcing mechanism (9) are of an integrally formed structure, and the length of the insulating support ring (8) is greater than that of the reinforcing mechanism (9).