CN217036265U

CN217036265U - Insulating scraps of paper structure of hoop is consolidated to commutator

Info

Publication number: CN217036265U
Application number: CN202123125167.5U
Authority: CN
Inventors: 杨积锡
Original assignee: Nanjing Huateng Automobile Parts Co ltd
Current assignee: Nanjing Huateng Automobile Parts Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-07-22
Anticipated expiration: 2031-12-13

Abstract

The utility model discloses an insulation paper sheet structure of a commutator reinforcing iron ring, which comprises an insulation sleeve, wherein a plurality of commutator segments which are uniformly distributed are arranged on the periphery of the insulation sleeve, the upper sides of the commutator segments are all arranged on the lower side of an insulation paper base body, an adhesive layer is arranged on the upper side of the insulation paper base body, a reinforcing ring is arranged on the upper side of the adhesive layer, a plurality of inner side insulation papers which are uniformly distributed are arranged on the inner side of the reinforcing ring, a plurality of outer side insulation papers which are uniformly distributed are arranged on the outer side of the reinforcing ring, a plurality of inner side upper insulation papers which are uniformly distributed are arranged on the inner side of the upper part of the reinforcing ring, and a plurality of outer side upper insulation papers which are uniformly distributed are arranged on the outer side of the upper part of the reinforcing ring. According to the commutator, when the reinforcing ring is wrapped by the insulating paper through the 45-degree chamfer, the insulating paper can be perfectly attached to the reinforcing ring, the insulating paper cannot be extruded mutually, deformation and poor attachment are avoided, and the service life of the commutator is greatly prolonged.

Description

Insulating scraps of paper structure of hoop is consolidated to commutator

Technical Field

The utility model relates to the field of commutators, in particular to an insulating paper sheet structure of a commutator reinforcing iron ring.

Background

A commutator, also known as a 'commutator', an important part of armatures of DC motors and AC commutator motors, which is a cylindrical or disk-shaped part composed of a plurality of copper sheets separated by mica sheets, each copper sheet is connected with some armature winding elements, the copper sheets are contacted with fixed brushes successively when the armatures rotate, in the DC motor, the AC in the armature windings is changed into DC between the brushes through the brushes and the commutator, in the AC commutator motor, the frequency of the AC between the brushes meets the working requirements, in order to increase the stability of the copper sheets in operation, a reinforcing iron ring is used for reinforcing the copper sheets, and in order to prevent short circuit, the reinforcing iron ring and the copper sheets need to be isolated by insulating paper sheets.

Chinese patent publication No. CN207021479U discloses a commutator with an insulation paper sheet for a reinforcing iron ring, which comprises mica and copper sheets, wherein the mica and the copper sheets are uniformly arranged around a circumference at intervals to form a ring shape, the inner sides of the mica and the copper sheets are filled with insulation sleeves, reinforcing rings are embedded in the upper and lower end grooves of the inner dovetail part of the copper sheets, insulation paper sheets are arranged outside the reinforcing rings, the insulation paper sheets comprise a ring-shaped substrate, the inner and outer edges of the ring-shaped substrate are respectively and uniformly arranged with a plurality of inner insulation sheets and outer insulation sheets around the circumference, the ring-shaped substrate, the inner insulation sheets and the outer insulation sheets are respectively clung to the bottom surface, the inner side wall and the outer side wall of the reinforcing rings, the utility model has a simple structure, and the reinforcing rings can not contact with the copper sheets by arranging the insulation paper sheets with special structures on the reinforcing rings, the reinforcing ring can be effectively protected, and the motor is particularly suitable for high-power starting motor motors and electric tools, but the connection is not firm enough, the insulating sheet is easy to fall off, and the service life is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides an insulating paper sheet structure of a commutator reinforcing iron ring.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides an insulating scraps of paper structure of iron ring is consolidated to commutator, includes the insulating sleeve, the insulating sleeve periphery is provided with a plurality of evenly distributed's commutator segment, the commutator segment upside all sets up at insulating paper base body downside, insulating paper base body upside is provided with the viscose layer, viscose layer upside is provided with the strengthening ring, the strengthening ring inboard is provided with a plurality of evenly distributed's inboard insulating paper, the strengthening ring outside is provided with a plurality of evenly distributed's outside insulating paper, the inboard a plurality of evenly distributed in strengthening ring upper portion is provided with inboard insulating paper, the strengthening ring upper portion outside is provided with insulating paper on a plurality of evenly distributed's the outside.

As a further description of the above technical solution:

and adhesive layers are arranged on one sides of the inner side upper insulating paper, the inner side insulating paper, the outer side insulating paper and the outer side upper insulating paper close to the reinforcing ring.

As a further description of the above technical solution:

the number of the insulating paper on the inner side, the number of the insulating paper on the outer side and the number of the insulating paper on the outer side are consistent with the number of the commutator segments.

As a further description of the above technical solution:

the periphery of the insulating paper base body is provided with a plurality of uniformly distributed outer side insulating paper, and outer side insulating paper outer sides are provided with outer side upper insulating paper.

As a further description of the above technical solution:

the insulation paper base member inboard is provided with a plurality of evenly distributed's inboard insulation paper, inboard insulation paper inboard all is provided with the inboard insulation paper that goes up.

As a further description of the above technical solution:

and the joints of the insulation paper on the inner side, the insulation paper base body, the insulation paper on the outer side and the insulation paper on the outer side are all provided with 45-degree chamfers.

As a further description of the above technical solution:

and end covers are arranged on the upper side and the lower side of the insulating sleeve.

The utility model has the following beneficial effects:

1. according to the commutator, when the reinforcing rings are wrapped by the insulating paper on the inner side, the insulating paper substrate, the insulating paper on the outer side and the insulating paper on the outer side through the 45-degree chamfer, the commutator can be perfectly attached to the reinforcing rings, and the insulating paper cannot be mutually extruded to cause deformation and improper attachment, so that short circuit is caused, the service life of the commutator is influenced, the commutator segments are perfectly isolated by the insulating paper, and the service life of the commutator is greatly prolonged.

Drawings

Fig. 1 is a cross-sectional view of an insulation paper sheet structure of a commutator reinforcing iron ring according to the present invention;

FIG. 2 is a schematic structural diagram of an insulation paper base body of an insulation paper sheet structure of a commutator reinforcing iron ring according to the present invention;

fig. 3 is a cross-sectional view of an insulation paper base of an insulation paper sheet structure of a commutator reinforcing iron ring according to the present invention;

fig. 4 is an enlarged view of a portion a in fig. 1.

Illustration of the drawings:

1. an end cap; 2. a commutator segment; 3. an insulating sleeve; 4. a reinforcing ring; 5. insulating paper on the inner side; 6. inner side insulating paper; 7. an insulating paper substrate; 8. outer insulating paper; 9. insulating paper is arranged on the outer side; 10. and (5) gluing the layers.

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.

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 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, but 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 thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, one embodiment of the present invention is provided: an insulation paper sheet structure of a commutator reinforcing iron ring comprises an insulation sleeve 3, a plurality of commutator segments 2 which are uniformly distributed are arranged on the periphery of the insulation sleeve 3, the upper sides of the commutator segments 2 are all arranged on the lower side of an insulation paper base 7, an adhesive layer 10 is arranged on the upper side of the insulation paper base 7, a reinforcing ring 4 is arranged on the upper side of the adhesive layer 10, a plurality of inner side insulation papers 6 which are uniformly distributed are arranged on the inner side of the reinforcing ring 4, a plurality of outer side insulation papers 8 which are uniformly distributed are arranged on the outer side of the reinforcing ring 4, a plurality of inner side upper insulation papers 5 which are uniformly distributed are arranged on the inner side of the upper portion of the reinforcing ring 4, and a plurality of outer side upper insulation papers 9 which are uniformly distributed are arranged on the outer side of the upper portion of the reinforcing ring 4, in conclusion, the insulation paper base 7 is firstly pasted on the lower side of the reinforcing ring 4, and then the inner side upper insulation papers 5, the inner side insulation papers 6, the outer side insulation papers 8 and the outer side upper insulation papers 9 are pasted on the two sides and the upper portion of the reinforcing ring 4, at last, the fixing ring is placed in a groove in the upper portion of the commutator segment 2, the upper end cover 1 is sleeved, the inner side is provided with insulating paper 5 through a 45-degree chamfer, the inner side is provided with insulating paper 6, an insulating paper base body 7 is arranged, the outer side is provided with insulating paper 8, and the outer side is provided with insulating paper 9 to wrap the reinforcing ring 4, the reinforcing ring can be perfectly attached to the reinforcing ring 4, mutual extrusion between the insulating papers can be avoided, deformation and attachment are not in place, short circuit is caused, the service life of the commutator is influenced, the insulating paper is enabled to perfectly isolate the commutator segment 2, and the service life of the commutator is greatly prolonged.

The side of the inner upper insulating paper 5, the inner upper insulating paper 6, the outer upper insulating paper 8 and the outer upper insulating paper 9 close to the reinforcing ring 4 are all provided with an adhesive layer 10, the inner upper insulating paper 5, the inner upper insulating paper 6, the insulating paper substrate 7, the outer upper insulating paper 8 and the outer upper insulating paper 9 can be firmly fixed on the periphery of the reinforcing ring 4 through the adhesive layer 10 so as to be difficult to fall off, the service life of the commutator is greatly prolonged, the number of the inner upper insulating paper 5, the inner upper insulating paper 6, the outer upper insulating paper 8 and the outer upper insulating paper 9 is consistent with the number of the commutator segments 2, each commutator segment 2 can be isolated from the reinforcing ring 4, the short circuit is prevented, the service life of the commutator is prolonged, the periphery of the insulating paper substrate 7 is provided with a plurality of uniformly distributed outer upper insulating paper 8, the outer side of the outer upper insulating paper 9 is arranged on the outer side of the insulating paper substrate 7, the inner side of the insulating paper substrate 7 is provided with a plurality of uniformly distributed inner insulating paper 6, the inner side of the inner side insulating paper 6 is provided with the inner side upper insulating paper 5, the inner side insulating paper 6, the insulating paper base body 7, the outer side insulating paper 8 and the outer side upper insulating paper 9 are provided with 45-degree chamfers at the joints, the inner side upper insulating paper 5, the inner side insulating paper 6, the insulating paper base body 7 and the outer side upper insulating paper 9 can be perfectly attached to the reinforcing ring 4 when the reinforcing ring 4 is wrapped by the outer side upper insulating paper 5 and the outer side upper insulating paper 9, and the inner side insulating paper 5, the inner side insulating paper 6, the insulating paper base body 7, the outer side insulating paper 8 and the outer side upper insulating paper 9 cannot be extruded mutually, so that deformation and attachment are not in place, short circuit is caused, the service life of the commutator is influenced, the upper and lower two sides of the insulating sleeve 3 are provided with the end covers 1, and the falling of the reinforcing ring 4 is prevented.

The working principle is as follows: firstly, an insulating paper substrate 7 is pasted on the lower side of a reinforcing ring 4, then insulating paper 5 on the inner side, insulating paper 6 on the inner side, insulating paper 8 on the outer side and insulating paper 9 on the outer side are pasted on the two sides and the upper part of the reinforcing ring 4, finally, a fixing ring is placed in a groove in the upper part of a commutator segment 2, an end cover 1 is sleeved on the fixing ring, the insulating paper 5 on the inner side, the insulating paper 6 on the inner side, the insulating paper substrate 7, the insulating paper 8 on the outer side and the insulating paper 9 on the outer side wrap the reinforcing ring 4, the fixing ring can be perfectly attached to the reinforcing ring 4, mutual extrusion between the insulating papers is avoided, deformation and attachment are not in place, short circuit is caused, the service life of the commutator is influenced, the insulating paper perfectly isolates the commutator segment 2, and the service life of the commutator is greatly prolonged.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides an insulating scraps of paper structure of iron ring is consolidated to commutator, includes insulating sleeve (3), its characterized in that: insulating sleeve (3) periphery is provided with commutator segment (2) of a plurality of evenly distributed, commutator segment (2) upside all sets up at insulating paper base member (7) downside, insulating paper base member (7) upside is provided with viscose layer (10), viscose layer (10) upside is provided with reinforcing ring (4), reinforcing ring (4) inboard is provided with inboard insulating paper (6) of a plurality of evenly distributed, the reinforcing ring (4) outside is provided with outside insulating paper (8) of a plurality of evenly distributed, the inboard a plurality of evenly distributed of reinforcing ring (4) upper portion is provided with inboard upper insulating paper (5), reinforcing ring (4) upper portion outside is provided with insulating paper (9) on the outside of a plurality of evenly distributed.

2. The insulating paper sheet structure of a commutator reinforcing iron ring according to claim 1, wherein: and adhesive layers (10) are arranged on the inner side upper insulating paper (5), the inner side insulating paper (6), the outer side insulating paper (8) and one side of the outer side upper insulating paper (9) close to the reinforcing ring (4).

3. The insulating paper sheet structure of a commutator reinforcing iron ring according to claim 1, wherein: the number of the inner side upper insulation paper (5), the inner side insulation paper (6), the outer side insulation paper (8) and the outer side upper insulation paper (9) is the same as that of the commutator segments (2).

4. The insulating paper sheet structure of a commutator reinforcing iron ring according to claim 1, wherein: the insulation paper base member (7) periphery is provided with a plurality of evenly distributed's outside insulation paper (8), outside insulation paper (8) outside all is provided with on the outside insulation paper (9).

5. The insulating paper sheet structure of a commutator reinforcing iron ring according to claim 1, wherein: the insulation paper base member (7) inboard is provided with a plurality of evenly distributed's inboard insulation paper (6), inboard insulation paper (6) inboard all is provided with on the inboard insulation paper (5).

6. The insulating paper sheet structure of a commutator reinforcing iron ring according to claim 1, wherein: and the joints of the inner side upper insulating paper (5), the inner side insulating paper (6), the insulating paper base body (7), the outer side insulating paper (8) and the outer side upper insulating paper (9) are all provided with 45-degree chamfers.

7. The insulating paper sheet structure of a commutator reinforcing iron ring according to claim 1, wherein: and end covers (1) are arranged on the upper side and the lower side of the insulating sleeve (3).