CN214379194U - Commutator convenient to installation - Google Patents
Commutator convenient to installation Download PDFInfo
- Publication number
- CN214379194U CN214379194U CN202120652988.5U CN202120652988U CN214379194U CN 214379194 U CN214379194 U CN 214379194U CN 202120652988 U CN202120652988 U CN 202120652988U CN 214379194 U CN214379194 U CN 214379194U
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- commutator
- spacing
- switching
- mount pad
- cover
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Abstract
The utility model discloses a commutator convenient to installation, including mount pad, spacing ring and a plurality of commutator segment interval arrangement enclose into the switching-over subassembly of tube-shape, be provided with the insulating piece between two adjacent commutator segments, the switching-over subassembly cover is established in the mount pad outside, the fixed spacing cover that is provided with of one end of mount pad, the one end of switching-over subassembly stretches into in the spacing cover and offsets with the spacing cover, the other end of switching-over subassembly is provided with spacing platform, spacing platform has seted up the constant head tank, the spacing ring is provided with the locating piece, the spacing ring is fixed mutually with the mount pad through the bolt; the advantage is through establishing the outside at the mount pad with the switching-over subassembly cover to realize dismantling fixedly through the cooperation of spacing ring and spacing cover, the installation only need with the switching-over subassembly along the axial of mount pad embolia and through the bolt fastening can, realize that the installation dismantles the maintenance in the later stage of being convenient for when convenient.
Description
Technical Field
The utility model relates to a commutator field, concretely relates to commutator convenient to installation.
Background
A commutator is an important component on the armature of dc and ac commutator motors. The commutator segments are made of copper and are formed into a cylindrical shape or a disk shape, and the commutator segments are connected with one group or a plurality of groups of corresponding electric brushes. When the armature rotates, the commutator segments are successively contacted with the fixed brushes. In a dc motor, ac power in an armature winding is converted into dc power between brushes by the brushes and a commutator. In an alternating current commutator motor, the frequency of alternating current between brushes meets the working requirement through the matching of the brushes and a commutator, thereby driving an armature to rotate. The existing commutator is mostly of an embedded structure, and the commutator segment and the fixing seat are fixed through a welding process to form an integrated electric brush. The electric brush that this mode constitutes is when manufacturing the process numerous and have the phenomenon that welded fastening is not firm, wastes time and energy, and manufacturing cost is higher. There is therefore a need for a commutator which is simple in construction and easy to assemble.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the commutator is simple in structure, convenient to install and capable of effectively reducing production cost of enterprises.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a commutator convenient to installation, includes the commutator segment, still includes mount pad and spacing ring, and a plurality of commutator segment interval arrangements enclose into the switching-over subassembly of tube-shape, is provided with the insulating piece between two adjacent commutator segments, the switching-over subassembly cover establish in the mount pad outside, the fixed spacing cover that is provided with of one end of mount pad, the one end of switching-over subassembly stretch into in the spacing cover and offset with the spacing cover, the other end of switching-over subassembly be provided with spacing platform, spacing platform seted up 1 at least constant head tank, the spacing ring be provided with the locating piece corresponding with the constant head tank, the spacing ring pass through the bolt and fix mutually with the mount pad.
Furthermore, the mounting seat is a hollow cylinder, and the limiting cover and the mounting seat are integrally fixed.
Furthermore, the opening at the other end of the mounting seat is stepped; the commutator has the advantages that the step-shaped mounting seat facilitates the positioning and mounting of the limiting ring, so that the assembly efficiency of the commutator is improved, and the assembly time is saved.
Furthermore, an outer convex ring clamped with the limiting platform of the reversing assembly is arranged on the outer side of the limiting ring, and an inner convex ring clamped with the other end of the mounting seat is arranged on the inner side of the limiting ring.
Furthermore, the limiting table is provided with a plurality of positioning grooves which are uniformly distributed along the limiting block; the positioning device has the advantages that the positioning grooves are uniformly distributed on the limiting ring, the positioning grooves and the positioning blocks are uniformly distributed, the centrifugal force deviation is reduced when the commutator rotates, the shaking generated in the working process is reduced, and the working stability of the commutator is improved.
Furthermore, the commutator segment is provided with a wiring board, and the wiring board is provided with a welding groove for welding wires.
Furthermore, the insulating sheet is a mica sheet; the mica sheet can effectively realize the electrical insulation between the commutator segments, is high temperature resistant and can not burn, and has long service life.
Furthermore, the limiting part is provided with a plurality of bolt holes which are uniformly distributed around the axis of the limiting part.
Compared with the prior art, the utility model has the advantages of establish the outside at the mount pad through establishing the switching-over subassembly cover to realize dismantling fixedly through the cooperation of spacing ring and spacing cover, the installation only need with the switching-over subassembly along the axial of mount pad embolia and through the bolt fastening can, the maintenance in the later stage that can be convenient for when realizing the installation dismantlement convenience, the current commutator is the commutator segment that comparatively serious of wearing and tearing after long-time the use, and this design accessible dismantles the change to the switching-over subassembly, thereby the waste that whole change electric motor rotor caused has been avoided, and then reduce cost in business. And simultaneously the utility model discloses be provided with the locating piece on the spacing ring, can realize the fixed of switching-over subassembly through the cooperation of locating piece and constant head tank, prevent that switching-over subassembly and mount pad from taking place relative rotation, improve the reliability of commutator.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural view of the mounting base of the present invention;
fig. 3 is a right side schematic view of the present invention;
FIG. 4 is a schematic cross-sectional view taken along A-A of FIG. 3;
fig. 5 is a schematic structural view of the reversing assembly of the present invention;
fig. 6 is a schematic structural view of the stop collar of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
A commutator convenient to install comprises commutator segments 2 formed by copper materials, a plurality of commutator segments 2 are arranged at intervals to surround a cylindrical commutator assembly 1, an insulating sheet formed by mica sheets is arranged between every two adjacent commutator segments 2, the commutator also comprises a hollow mounting seat 3 and a limiting ring 4, the commutator assembly 1 is sleeved outside the mounting seat 3 and is jointed with the mounting seat 3, one end of the mounting seat 3 is fixedly provided with a limiting cover 5, an installation gap 6 is arranged between the outer ring of the limiting cover 5 and the mounting seat 3, one end of the commutator assembly 1 extends into the installation gap 6 and is abutted against the limiting cover 5, the other end of the commutator assembly 1 is provided with a limiting table 7, the limiting table 7 is provided with 3 positioning grooves 8 which are uniformly distributed on the limiting table 7, the limiting ring 4 is provided with positioning blocks 9 which correspond to the positioning grooves 8, the limiting ring 4 is provided with a plurality of bolt holes 14 which are uniformly distributed around the axes thereof, the limiting ring 4 is detachably fixed with the mounting seat 3 through a bolt.
The opening at the other end of the mounting seat 3 is stepped, an outer convex ring 10 clamped with the limiting table 7 of the reversing assembly 1 is arranged on the outer side of the limiting ring 4, and an inner convex ring 11 clamped with the other end of the mounting seat 3 is arranged on the inner side of the limiting ring 4. While the segments 2 are provided with terminal blocks 12, the terminal blocks 12 are provided with soldering grooves 13 for soldering electric wires.
The utility model discloses an installation does: firstly, the cylindrical reversing component 1 is sleeved outside the mounting seat 3, one end of the reversing component 1 is clamped into the mounting gap 6, as shown in fig. 4, the other end of the reversing component 1 is flush with the other end of the mounting seat 3, the positioning block 9 arranged on the limiting ring 4 is aligned with the corresponding positioning groove 8, the limiting ring 4 can be pressed in to enable the limiting table 7 and the other end of the mounting seat 3 to be clamped between the outer convex ring 10 and the inner convex ring 11, and finally the limiting ring 4 and the mounting seat 3 are fixed through bolts.
The above-described embodiments are only preferred embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes and modifications can be made, which are within the scope of the present invention.
Claims (8)
1. The utility model provides a commutator convenient to installation, includes the commutator segment, and a plurality of commutator segment interval arrangements enclose into the switching-over subassembly of tube-shape, are provided with the insulating piece between two adjacent commutator segments, its characterized in that still includes mount pad and spacing ring, the switching-over subassembly cover establish in the mount pad outside, the fixed spacing cover that is provided with of one end of mount pad, the one end of switching-over subassembly stretch into in the spacing cover and offset with the spacing cover, the other end of switching-over subassembly be provided with spacing platform, spacing platform seted up 1 at least constant head tank, the spacing ring be provided with the locating piece corresponding with the constant head tank, the spacing ring pass through the bolt and fix mutually with the mount pad.
2. The commutator convenient to mount as claimed in claim 1, wherein the mounting base is a hollow cylinder, and the limit cover is integrally fixed with the mounting base.
3. An easily assembled commutator according to claim 1 wherein the opening at the other end of the mounting base is stepped.
4. The commutator of claim 3, wherein the outer side of the limit ring is provided with an outer convex ring which is clamped with the limit platform of the commutator component, and the inner side of the limit ring is provided with an inner convex ring which is clamped with the other end of the mounting base.
5. The commutator convenient to mount as claimed in claim 1, wherein the limiting table is provided with a plurality of positioning grooves, and the positioning grooves are uniformly distributed along the limiting block.
6. An easily assembled commutator according to claim 1 wherein the segments are provided with terminal blocks, the terminal blocks being provided with soldering grooves for soldering electric wires.
7. The commutator of claim 1 wherein the insulating sheet is a mica sheet.
8. A commutator as claimed in claim 1, wherein the retainer ring has a plurality of bolt holes uniformly distributed around its axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120652988.5U CN214379194U (en) | 2021-03-30 | 2021-03-30 | Commutator convenient to installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120652988.5U CN214379194U (en) | 2021-03-30 | 2021-03-30 | Commutator convenient to installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214379194U true CN214379194U (en) | 2021-10-08 |
Family
ID=77973129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120652988.5U Active CN214379194U (en) | 2021-03-30 | 2021-03-30 | Commutator convenient to installation |
Country Status (1)
| Country | Link |
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| CN (1) | CN214379194U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114221187A (en) * | 2021-12-23 | 2022-03-22 | 上海微电机研究所(中国电子科技集团公司第二十一研究所) | Commutator for DC torque motor |
-
2021
- 2021-03-30 CN CN202120652988.5U patent/CN214379194U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114221187A (en) * | 2021-12-23 | 2022-03-22 | 上海微电机研究所(中国电子科技集团公司第二十一研究所) | Commutator for DC torque motor |
| CN114221187B (en) * | 2021-12-23 | 2024-02-23 | 上海微电机研究所(中国电子科技集团公司第二十一研究所) | Commutator for DC torque motor |
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