CN214798119U - Commutator with reinforcing ring - Google Patents
Commutator with reinforcing ring Download PDFInfo
- Publication number
- CN214798119U CN214798119U CN202121236779.9U CN202121236779U CN214798119U CN 214798119 U CN214798119 U CN 214798119U CN 202121236779 U CN202121236779 U CN 202121236779U CN 214798119 U CN214798119 U CN 214798119U
- Authority
- CN
- China
- Prior art keywords
- commutator
- insulating sleeve
- beaded finish
- segment
- reinforcing rings
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Motor Or Generator Current Collectors (AREA)
Abstract
The utility model discloses a commutator with reinforcing rings, which relates to the technical field of motor accessories and comprises an insulating sleeve, commutator segments, hooks, reinforcing rings and fixing feet, wherein the commutator segments are uniformly distributed outside the insulating sleeve, an insulating groove is formed between adjacent commutator segments, mica sheets are arranged in the insulating groove, the hooks are arranged at the end parts of the commutator segments, a reinforcing ring groove is arranged on the outer wall of the insulating sleeve, the reinforcing ring groove protrudes inwards, the reinforcing rings are arranged inside the reinforcing ring groove, the middle position of the outer wall surface of the insulating sleeve is also provided with the fixing feet, the fixing feet extend towards the middle parts of the commutator segments, and the inner sides of the commutator segments are provided with placing grooves matched with the fixing feet; the utility model provides an enable commutator that commutator segment and insulating sleeve combine inseparabler, the upper and lower part is equipped with the beaded finish on the commutator, and the middle part is equipped with fixed foot, guarantees that the upper and middle lower part of commutator segment all combines closely with the sleeve, has further improved the performance and the life of commutator.
Description
Technical Field
The utility model relates to a motor accessories technical field especially relates to a take beaded finish commutator.
Background
In order to improve the mechanical strength and high-speed performance of commutator products, reinforcing rings are arranged in some commutator products, and are usually arranged in reinforcing ring grooves formed in an insulating copper sleeve. Current commutator reinforcing rings, typically in the shape of a ring, are used to increase the strength of the commutator.
In the traditional commutator with the reinforcing rings, the reinforcing rings are arranged at the upper part and the lower part of the commutator, so that the bonding strength between the commutator segment and the upper part and the lower part of the insulating sleeve is reinforced, but the commutator segment and the middle part of the insulating sleeve are only arranged in a fit manner, and because the commutator runs at a high speed, the commutator segment is easily separated from the middle part of the insulating sleeve, so that the strength of the commutator is influenced, the service performance of the commutator is 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 urgently.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the bonding strength who improves between commutator segment and insulating sleeve who proposes satisfies the mechanical strength and the high speed performance of motor, has guaranteed the area beaded finish commutator of characteristics such as holistic life of commutator.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model discloses a take beaded finish commutator, including insulating sleeve, switching-over piece, crotch, beaded finish and fixed foot, switching-over piece evenly distributed forms the dead slot between the adjacent switching-over piece in the insulating sleeve outside, be equipped with the mica sheet in the dead slot, the tip of switching-over piece is located to the crotch, be equipped with the beaded finish on the insulating sleeve outer wall, the beaded finish is inside to the inside protrusion, inside the beaded finish was located to the beaded finish, insulating sleeve outer wall intermediate position department still is equipped with fixed foot, fixed foot extends to the switching-over piece middle part, the switching-over piece inboard is equipped with the standing groove that suits with fixed foot.
Preferably, the fixing leg has a trapezoidal structure, and the width of the outer side of the fixing leg is greater than the width of the inner side of the fixing leg.
Preferably, the mica sheets are arranged at equal intervals along the circumferential direction of the excircle of the commutator segment.
Preferably, the reinforcing ring is not in contact with the inside of the commutator segment.
Preferably, the end part of the commutator segment can also be of a plane structure.
Preferably, the commutator has an outer diameter of 25-35mm and a length of 20-30 mm.
Preferably, the hook length is 2.5-4 mm.
Preferably, the reinforcing ring is made of a metal material.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the mechanical property and the service performance of the commutator are enhanced;
2. set up the standing groove in the commutator segment outside, set up trapezoidal fixed foot in the insulating sleeve outside, fixed foot outside width is greater than inboard width, during the installation, places fixed foot in the standing groove, and fixed foot is difficult for breaking away from the standing groove, has guaranteed more closely to combine between commutator segment and insulating sleeve, places the commutator segment and separates with insulating sleeve under high-speed rotation state middle part, influences the performance of commutator.
3. The reinforcing rings at the upper part and the lower part are all made of metal materials, so that the bonding strength of the commutator segment and the insulating sleeve is further ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic cross-sectional structure diagram of a commutator with a reinforcing ring according to an embodiment of the present invention.
In the figure: 1 insulating sleeve, 2 commutator segments, 3 hooks, 4 reinforcing rings, 5 fixing pins, 6 mica sheets, 7 reinforcing ring grooves and 8 placing grooves.
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.
Referring to the figure 1, the utility model discloses a take beaded finish commutator, including insulating sleeve 1, commutator segment 2, crotch 3, beaded finish 4 and fixed foot 5, commutator segment 2 evenly distributed forms the dead slot in the insulating sleeve 1 outside between the adjacent commutator segment 2, be equipped with mica sheet 6 in the dead slot, mica sheet 6 sets up along commutator segment excircle circumferencial direction equidistance.
The end of the commutator segment 2 is arranged on the hook 3, the end of the commutator segment 2 can be of a plane structure, the structure of the utility model is also suitable for a groove commutator, and the application range is wide.
Be equipped with beaded finish groove 7 on the 1 outer wall of insulating sleeve, beaded finish groove 7 is inwards protruding, beaded finish 4 is located inside beaded finish groove 7, beaded finish 4 and 2 inside contactless of switching-over piece prevent the electrically conductive contact between beaded finish 4 and the switching-over piece 2, guarantee that the performance of commutator is not influenced, beaded finish 4 adopts the metal material to make, has further guaranteed the mechanical strength of commutator.
The insulating sleeve 1 outer wall surface intermediate position department still is equipped with fixed foot 5, fixed foot 5 extends to commutator segment 2 middle part, commutator segment 2 inboard is equipped with the standing groove 8 that suits with fixed foot 5. The fixing feet 5 are in a trapezoidal structure, and the width of the outer side of the fixing feet is larger than that of the inner side of the fixing feet. Equivalently, the fixing pins 5 are clamped in the placing grooves 8, so that the commutator segment 2 is combined with the middle part of the insulating sleeve 1 more tightly, the commutator segment is not influenced by high-speed rotation of the commutator, and the mechanical performance of the commutator is enhanced.
The commutator has an outer diameter of 25-35mm and a length of 20-30mm, preferably, the commutator has an outer diameter of 30mm and a length of 25mm, the hook 3 is 2.5-4mm long, and the hook is 3mm long.
According to the commutator with the reinforcing rings, the reinforcing rings are arranged on the upper portion and the lower portion of the commutator, the fixing feet are arranged in the middle of the commutator, the upper portion, the middle portion and the lower portion of the commutator segments are tightly combined with the sleeve, mechanical strength and performance of the commutator during use are guaranteed, combination strength of the commutator segments and the insulating sleeve is guaranteed, the commutator segments are prevented from bulging outwards, and the service life of the whole commutator is prolonged.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. The utility model provides a take beaded finish commutator which characterized in that: including insulating sleeve, commutator segment, crotch, beaded finish and fixed foot, commutator segment evenly distributed forms the dead slot in the insulating sleeve outside between the adjacent commutator segment, be equipped with the mica sheet in the dead slot, the tip of commutator segment is located to the crotch, be equipped with the beaded finish on the insulating sleeve outer wall, the beaded finish is inside to be protruding, inside the beaded finish was located to the beaded finish, insulating sleeve outer wall intermediate position department still is equipped with fixed foot, fixed foot extends to the commutator segment middle part, the commutator segment inboard is equipped with the standing groove that suits with fixed foot.
2. The commutator of claim 1, wherein the fixing legs have a trapezoidal configuration, and the width of the outer side of the fixing legs is greater than the width of the inner side of the fixing legs.
3. The commutator of claim 1, wherein the mica sheets are arranged equidistantly along the circumferential direction of the outer circle of the commutator segment.
4. A commutator with reinforcing rings as claimed in claim 1, wherein the reinforcing rings do not contact with the inside of the commutator segments.
5. A commutator with reinforcing rings as claimed in claim 1, wherein the commutator segment ends are also of planar structure.
6. A commutator with reinforcing rings as claimed in claim 1, wherein the commutator has an outer diameter of 25-35mm and a length of 20-30 mm.
7. A commutator with reinforcing rings as claimed in claim 1, wherein the hook length is 2.5-4 mm.
8. The commutator of claim 1, wherein the reinforcing ring is made of metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121236779.9U CN214798119U (en) | 2021-06-03 | 2021-06-03 | Commutator with reinforcing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121236779.9U CN214798119U (en) | 2021-06-03 | 2021-06-03 | Commutator with reinforcing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214798119U true CN214798119U (en) | 2021-11-19 |
Family
ID=78700955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121236779.9U Active CN214798119U (en) | 2021-06-03 | 2021-06-03 | Commutator with reinforcing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214798119U (en) |
-
2021
- 2021-06-03 CN CN202121236779.9U patent/CN214798119U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214798119U (en) | Commutator with reinforcing ring | |
| CN107482859B (en) | Plastic packaging motor | |
| CN110932424B (en) | Stator core, motor and clothes treatment equipment | |
| CN210780478U (en) | Composite structure rotor for canned motor pump and motor | |
| EP3525319B1 (en) | Stator, motor and compressor for motor | |
| CN106787390B (en) | Brush DC motor | |
| CN210490680U (en) | Novel brushless motor is with colluding line frame structure | |
| CN217984014U (en) | Mica-free and reinforcement-free commutator | |
| CN209844657U (en) | Novel motor stator and motor | |
| CN211239578U (en) | Motor with reinforcing ribs | |
| CN208094308U (en) | A kind of cast-aluminum rotor being embedded with copper bar | |
| CN207490266U (en) | A kind of flat Hooked reverser | |
| CN205881606U (en) | Falling type arrester | |
| CN219917850U (en) | Commutator copper sheet | |
| CN210693617U (en) | Motor with electric corrosion prevention structure | |
| CN214957740U (en) | Hook-type commutator | |
| CN210224546U (en) | Reversible operation DC motor commutator elevating piece | |
| CN110808512A (en) | Carbon commutator | |
| CN215071924U (en) | Motor sheath | |
| CN218633487U (en) | High-efficiency punching device for motor rotor | |
| CN216016655U (en) | Commutator for motor rotor and motor rotor | |
| CN204720732U (en) | The commutator of direct current machine | |
| CN205753714U (en) | A kind of rotor punching, rotor and motor | |
| CN109742627A (en) | A kind of steady type commutator with reinforcing ring | |
| CN211151641U (en) | Motor stator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |