CN203760811U

CN203760811U - Commutator segment

Info

Publication number: CN203760811U
Application number: CN201420180840.6U
Authority: CN
Inventors: 苏光清
Original assignee: RUI'AN SHUANGFENG COMMUTATOR CO Ltd
Current assignee: RUI'AN SHUANGFENG COMMUTATOR CO Ltd
Priority date: 2014-04-15
Filing date: 2014-04-15
Publication date: 2014-08-06
Anticipated expiration: 2024-04-15

Abstract

The utility model discloses a commutator segment comprising a segment body, a hook, two upper legs and two lower hook legs. The upper hook legs are symmetrically arranged on two sides of the hook at the top of the segment body. The lower hook legs are symmetrically disposed at the bottom of the segment body. The commutator segment is characterized in that the segment body is formed by compositing inner and outer copper plates fixed together; the hook, the upper hook legs and the lower hook legs are all arranged on the outer copper plate; the inner surface of the inner copper plate is provided with an inner hook leg. The commutator segment has the advantages that fewer materials are used, the commutator segment can be connected with a commutator body more strongly, product mechanical strength is higher, and product overspeed performance is improved.

Description

A kind of commutator segment

Technical field

The utility model relates to commutator technical field, is specifically related to the commutator segment of commutator.

Background technology

Commutator is mainly used on electric tool, and the Key Performance Indicator of commutator is its hypervelocity performance, and hypervelocity performance high commutator product can ensure product quality, improves product useful life.Possesses high hypervelocity performance, first product will have high mechanical strength, it is high to be that bond strength between commutator segment and commutator body is wanted, commutator segment adopts drawing section bar or copper shell to make mostly at present, because commutator segment is solid overall structure, so copper product materials are large, simultaneously the quantity of the set dovetail of commutator segment or hook pin is few, and dovetail or hook pin just commutator segment ensure and the key of commutator body bond strength.

Summary of the invention

In view of the deficiencies in the prior art, the technical problems to be solved in the utility model is to be to provide a kind of materials to economize, and bond strength between commutator body is high, increases product mechanical strength, improves the commutator segment of product hypervelocity performance.

The utility model takes following technical scheme to complete:

A kind of commutator segment, comprise lamellar body, crotch and upper and lower hook pin, the described pin of rising to the bait is provided with two, crotch bilateral symmetry at lamellar body top arranges, described lower hook pin is also provided with two, be symmetrical arranged in lamellar body bottom, it is characterized in that: described lamellar body is composited by the ectonexine copper coin being fixed together, described crotch, upper and lower hook pin are all located on outer copper coin.The inner surface of described internal layer copper coin is provided with interior hook pin.

Adopt the commutator segment after technique scheme, its lamellar body is composited by the ectonexine copper coin being fixed together, and the crotch of commutator segment, upper and lower hook pin are all located on outer copper coin, so can effectively reduce the material thickness of crotch, upper and lower hook foot position, the materials of commutator segment are economized; Said structure commutator segment can conveniently arrange interior hook pin at the inner surface of internal layer copper coin simultaneously, add each two upper and lower hook pin that outer copper coin has itself, thereby greatly strengthen the bond strength between commutator segment and commutator body, so increased product mechanical strength, improved product hypervelocity performance.

As preferably, described crotch, upper and lower hook pin are formed after punching press by the part of outer copper coin.Described interior hook pin is positioned at the middle position of internal layer copper coin inner surface, and described interior hook pin is formed after punching press by the part of internal layer copper coin.

Brief description of the drawings

The utility model has the following drawings:

Fig. 1 is the structure chart of commutator segment of the present utility model;

Fig. 2 is the A-A view of Fig. 1.

Embodiment

As shown in the figure, commutator segment of the present utility model, comprise lamellar body, crotch 3, rise to the bait pin 4 and lower hook pin 5, described lamellar body is composited by the internal layer copper coin 2 being fixed together and outer copper coin 1, described crotch 3, upper and lower hook pin is all located on outer copper coin 1, described crotch 3, upper and lower hook pin is formed after punching press by the part of outer copper coin 1, the described pin 4 of rising to the bait is provided with two, in the crotch 3 bilateral symmetry settings at lamellar body top, described lower hook pin 5 is also provided with two, be symmetrical arranged in lamellar body bottom, the inner surface of described internal layer copper coin 2 is provided with interior hook pin 6, described interior hook pin 6 is positioned at the middle position of internal layer copper coin 2 inner surfaces, described interior hook pin 6 is formed after punching press by the part of internal layer copper coin 2.

Claims

1. a commutator segment, comprise lamellar body, crotch and upper and lower hook pin, the described pin of rising to the bait is provided with two, crotch bilateral symmetry at lamellar body top arranges, described lower hook pin is also provided with two, be symmetrical arranged in lamellar body bottom, it is characterized in that: described lamellar body is composited by the ectonexine copper coin being fixed together, described crotch, upper and lower hook pin are all located on outer copper coin.

2. a kind of commutator segment as claimed in claim 1, is characterized in that: described crotch, upper and lower hook pin are formed after punching press by the part of outer copper coin.

3. a kind of commutator segment as claimed in claim 1, is characterized in that: the inner surface of described internal layer copper coin is provided with interior hook pin.

4. a kind of commutator segment as claimed in claim 3, is characterized in that: described interior hook pin is positioned at the middle position of internal layer copper coin inner surface, and described interior hook pin is formed after punching press by the part of internal layer copper coin.