CN212571620U

CN212571620U - Groove type commutator

Info

Publication number: CN212571620U
Application number: CN202020992738.1U
Authority: CN
Inventors: 戴少春
Original assignee: Ruian Chunhong Electrical Appliance Co ltd
Current assignee: Ruian Chunhong Electrical Appliance Co ltd
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2021-02-19
Anticipated expiration: 2030-06-03

Abstract

The utility model discloses a groove type commutator, including the base of moulding plastics, the inboard surface of base of moulding plastics is provided with the commutator segment, commutator segment evenly distributed is at the base round of moulding plastics, separate through the mica sheet between commutator segment and the commutator segment, the groove is opened in the last upper end dog-ear of commutator segment, be provided with hook foot, tongue and enhancement constant head tank on the commutator segment, through the commutator segment that sets up many constant head tank structures, fix the back in the base of moulding plastics, can improve horizontal fore-and-aft holding power to increase stability can.

Description

Groove type commutator

Technical Field

The utility model relates to a commutator field, more specifically say, relate to a groove type commutator.

Background

The commutator is generally divided into a hook-type commutator, a groove-type commutator and an end face commutator, wherein the traditional groove-type commutator comprises a commutation substrate and groove-type commutation copper sheets which are uniformly distributed on the outer circle of the commutation substrate in a circumferential manner, and the adjacent groove-type commutation copper sheets are insulated and isolated through mica sheets;

the groove-shaped reversing copper sheet in the prior art has a single structure, and is poor in supporting strength after being arranged in the injection molding base, and poor in stability in long-term use under the condition of high-speed rotation.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide a slot type commutator, through the commutator segment that sets up many constant head tank structures, fix the back in the base of moulding plastics, can improve horizontal fore-and-aft holding power to increase stability can.

In order to solve the above problems, the utility model adopts the following technical proposal.

A groove type commutator comprises an injection molding base, commutator segments are arranged on the inner side surface of the injection molding base, the commutator segments are uniformly distributed on the injection molding base for a circle, the commutator segments are separated from the commutator segments through mica sheets, break grooves are formed at break angles at the upper ends of the commutator segments, hook legs, convex grooves and reinforcing positioning grooves are arranged on the commutator segments, the commutator segments are fixed in the injection molding base through the commutator segments with a multi-positioning groove structure, the transverse and longitudinal supporting force can be improved, the stability is improved, the hook legs are arranged at the upper and lower corners at the inner ends of the commutator segments, the stability of the supporting force is improved at the two sides, the convex grooves are arranged at the two ends of the side surfaces of the commutator segments, the stability and the tensile strength of the supporting force are improved at the two sides, the reinforcing positioning grooves are arranged at the upper and lower end surfaces of the commutator segments, the supporting eaves are respectively arranged at, the supporting strength for supporting the commutator segment is improved.

Compared with the prior art, the utility model has the advantages of:

(1) through the commutator segment that sets up many constant head tank structures, fix back in the base of moulding plastics, can improve horizontal fore-and-aft holding power to increase stability can.

(2) The hook foot sets up in the upper and lower corner of commutator segment inner, and both sides set up and promote holding power stability.

(3) The convex grooves are arranged at two ends of the side surface of the commutator segment, and the two sides are provided with lifting support force stability and tensile strength.

(4) Strengthen the constant head tank setting at two upper and lower terminal surfaces of commutator segment, improve support strength.

(5) The upper end and the lower extreme of the base of moulding plastics are provided with respectively and support the eaves limit, improve the support intensity that supports the commutator segment.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a top view of the overall structure of the present invention;

fig. 3 is a schematic view of a local structure of the commutator segment of the present invention.

The reference numbers in the figures illustrate:

the plastic injection molding machine comprises an injection molding base 1, a commutator segment 2, a mica sheet 3, an opening groove 4, hook legs 20, a convex groove 21, a reinforcing positioning groove 22 and a supporting eaves edge 100.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, a slot type commutator comprises an injection molding base 1, commutator segments 2 are arranged on the inner side surface of the injection molding base 1, the commutator segments 2 are uniformly distributed on the injection molding base 1 for one circle, the commutator segments 2 are separated from the commutator segments 2 through mica sheets 3, a notch 4 is arranged at a folded angle of the upper end of the commutator segment 2, and a hook leg 20, a convex groove 21 and a reinforcing positioning groove 22 are arranged on the commutator segment 2.

Referring to fig. 1-3, the hook foot 20 is disposed at the upper and lower corners of the inner end of the commutator segment 2, the lifting support force stability is disposed at both sides, the protruding groove 21 is disposed at both ends of the side surface of the commutator segment 2, the lifting support force stability and the tensile strength are disposed at both sides, the reinforcing positioning groove 22 is disposed at the upper and lower end surfaces of the commutator segment 2, the support strength is improved, and the upper and lower ends of the injection molding base 1 are respectively provided with the support eaves 100, which improves the support strength for supporting the commutator segment 2.

When the injection molding base is used, the commutator segment 2 is provided with the hook feet 20, the convex grooves 21 and the reinforcing positioning grooves 22, after the injection molding base 1 is molded, the hook feet 20 are arranged at the upper and lower corners of the inner end of the commutator segment 2, the lifting supporting force stability is arranged at two sides, the convex grooves 21 are arranged at two ends of the side surface of the commutator segment 2, the lifting supporting force stability and the tensile strength are arranged at two sides, and the reinforcing positioning grooves 22 are arranged at the upper and lower end surfaces of the commutator segment 2, so that the supporting strength is improved;

and be provided with respectively at the upper end and the lower extreme of base 1 of moulding plastics and support eaves limit 100, support eaves limit 100 and can support the both ends of commutator segment 2, can improve the support intensity that supports commutator segment 2.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a groove type commutator, includes injection moulding base (1), its characterized in that: the utility model discloses a commutator bar (2) is moulded plastics to the inboard surface of base (1), commutator bar (2) evenly distributed is moulding plastics base (1) round, separate through mica sheet (3) between commutator bar (2) and commutator bar (2), commutator bar (2) upper end dog-ear department establishes opening groove (4), be provided with on commutator bar (2) hook foot (20), tongue (21) and strengthen constant head tank (22), hook foot (20) set up at commutator bar (2) inner upper and lower corner, tongue (21) set up the side both ends at commutator bar (2), strengthen two upper and lower terminal surfaces of constant head tank (22) setting at commutator bar (2), the upper end and the lower extreme of base (1) of moulding plastics are provided with respectively and support eaves limit (100).