CN203071377U - Overall plastic commutator - Google Patents
Overall plastic commutator Download PDFInfo
- Publication number
- CN203071377U CN203071377U CN 201320031824 CN201320031824U CN203071377U CN 203071377 U CN203071377 U CN 203071377U CN 201320031824 CN201320031824 CN 201320031824 CN 201320031824 U CN201320031824 U CN 201320031824U CN 203071377 U CN203071377 U CN 203071377U
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- Prior art keywords
- commutator
- draw
- commutator segment
- groove
- active section
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Abstract
The utility model discloses an over plastic commutator, which comprises a commutator segments and a bakelite body. The commutator segments are successively and intervally arranged to form a commutator segment assembly, which contains an excircle working face and an inner cavity. The bakelite body is arranged inside the inner cavity and fixedly connected with the commutator segment assembly. The commutator segment assembly is formed by a moulding rack which contains an annular main body and slot structures which are intervally arranged on the side wall of the annular main body. The commutator segments are embedded in the slot structures. According to the technical scheme, as the overall plastic product requires no turning processing, investment in raw materials is reduced, cost control is decreased, processes are minimized, dependence on man power is reduced, and it is beneficial to raising productivity.
Description
Technical field
The utility model relates to a kind of overall plastic commutator.
Background technology
The tradition commutator generally comprises plastic core, commutator segment, mica sheet and bakelite main body, and plastic core mainly plays the effect of the preliminary typing of commutator segment; Mica sheet is mainly used in the effect of insulation gap between the commutator segment, therefore common commutator need be through complicated processing step ability moulding, common commutator is not enough because of inner chamber and the cylindrical circular degree that commutator segment forms, therefore need through turning processing, the control of each parts consistency of commutator compares relatively poorly after the Vehicle Processing, and dynamic balancing control is difficult; And because the hook portion of commutator segment also needs cutting, so utilization rate of raw materials is low, and the cost waste is big; Generally speaking, the tradition commutator is because processing through turning, the raw material input ratio is more, the cost waste is big, each parts consistency control of commutator compares relatively poor after the Vehicle Processing, dynamic balancing control is also difficult, and also difficult to rotor following process dynamic balancing control, electrical machinery life also can be affected.
The utility model content
For addressing the above problem, the utility model provides a kind of operation simple, saves raw-material overall plastic commutator.
The technical solution of the utility model is as follows: a kind of overall plastic commutator, comprise commutator segment and bakelite main body, and described commutator segment gap arrangement successively forms the commutator segment assembly; Described commutator segment assembly comprises cylindrical working face and inner chamber; Described bakelite main body is arranged in the described inner chamber and fixedly connected described commutator segment assembly, and described commutator segment assembly is by the forming supporter moulding, and described forming supporter comprises circumferential body and the draw-in groove structure that is arranged at intervals on the described circumferential body sidewall; Described commutator segment is embedded in the described draw-in groove structure.
Preferably, described commutator segment has short transverse size, Width size and thickness direction size, and described commutator segment sets gradually along described short transverse and is body and hook portion; Described body sets gradually along described thickness direction and is active section and canned paragraph; Described active section connects described hook portion.
Preferably, described draw-in groove structure comprise the active section draw-in groove that is complementary with described active section shape, the canned paragraph draw-in groove that is complementary with described canned paragraph shape and the hook portion draw-in groove that is complementary with described hook portion shape; Described active section draw-in groove and canned paragraph draw-in groove connect and are arranged at respectively outer wall and the inwall of described circumferential body; Described hook portion draw-in groove and described active section draw-in groove connect and all are arranged on the outer wall of described circumferential body.
Preferably, described body sets gradually along described thickness direction and is active section and canned paragraph, and described active section connects described hook portion.
Preferably, the inboard of described bakelite main body also is provided with lining.
Preferably, described bakelite main body is injected and molded between described canned paragraph and the lining by phenolic moulding powder.
Preferably, described commutator segment assembly is also fixedly connected by reinforcing ring.
Adopt the beneficial effect of above technical scheme: in the technical program, overall plastic product is because of not turning processing, and to the input reduction of raw material, cost control reduces, and operation reduces, and artificial dependence is reduced, and is conducive to the raising of production capacity; Without turning processing, commutator precision height, higher to each parts coherence request of commutator, the commutator segment thickness is even, and the commutator good dynamic balance is better to rotor following process dynamic balancing control, and to prolonging whole electrical machinery life certain benefit is arranged.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of forming supporter;
Fig. 2 is A-A place structural representation among Fig. 1;
Fig. 3 is the structural representation of commutator segment;
Fig. 4 is the moulding figure of overall plastic commutator;
Fig. 5 is the blank drawing of overall plastic commutator;
Fig. 6 is the finished figure of overall plastic commutator.
The title of the numeral among the figure or the corresponding component of alphabetical representative:
1. forming supporter 11. ring bodies 121. active section draw-in grooves 122. canned paragraph draw-in grooves 13. hook portion draw-in grooves 2. commutator segments 211. active sections 212. canned paragraphs 22. hook portions 3. bakelite main bodys 4. reinforcing rings.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment 1
Referring to Fig. 1-Fig. 6, shown in legend wherein, a kind of overall plastic commutator comprises commutator segment 2 and bakelite main body 3, and commutator segment 2 gap arrangement successively forms the commutator segment assembly; The commutator segment assembly comprises cylindrical working face and inner chamber; The commutator segment assembly is by forming supporter 1 moulding.
Forming supporter 1 comprises circumferential body 11 and the draw-in groove structure that is arranged at intervals on circumferential body 11 sidewalls;
The draw-in groove structure comprises the active section draw-in groove 121 that is complementary with active section 211 shapes, the canned paragraph draw-in groove 122 that is complementary with canned paragraph 212 shapes and the hook portion draw-in groove 13 that is complementary with hook portion 22 shapes; Active section draw-in groove 121 and canned paragraph draw-in groove 122 connect and are arranged at respectively outer wall and the inwall of circumferential body 11; Hook portion draw-in groove 13 connects and all is arranged on the outer wall of circumferential body 11 with active section draw-in groove 121.
The inboard of bakelite main body 3 also is provided with the lining (not shown).
Bakelite main body 3 is injected and molded between canned paragraph 212 and the lining by phenolic moulding powder.
The commutator segment assembly is also fixedly connected by reinforcing ring 4.
Introduce the preparation process of overall plastic commutator below:
One, the making of forming supporter and commutator segment: make forming supporter 1 and commutator segment 2;
Two, commutator segment screening: with commutator segment 2 screenings to active section draw-in groove 121, canned paragraph draw-in groove 122 and the hook portion draw-in groove 13 of forming supporter 1;
Three, place lining, lining is positioned in the cavity;
Four, bakelite main body pressure injection: phenolic moulding powder is pressed between canned paragraph 212 and the lining.
Five, forming supporter is removed, and forming supporter 1 is removed, and forms the blank of overall plastic commutator;
Six, crotch: hook portion 22 is carried out crotch handle, namely form overall plastic commutator finished product.
Also comprise operations such as necessary shaping and sand throwing processing in the above step.
Adopt the beneficial effect of above technical scheme: in the technical program, overall plastic product is because of not turning processing, and to the input reduction of raw material, cost control reduces, and operation reduces, and artificial dependence is reduced, and is conducive to the raising of production capacity; Without turning processing, commutator precision height, higher to each parts coherence request of commutator, the commutator segment thickness is even, and the commutator good dynamic balance is better to rotor following process dynamic balancing control, and to prolonging whole electrical machinery life certain benefit is arranged.
More than be the description to the utility model embodiment, by the above-mentioned explanation to the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments herein.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the wideest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. an overall plastic commutator comprises commutator segment and bakelite main body, and described commutator segment gap arrangement successively forms the commutator segment assembly; Described commutator segment assembly comprises cylindrical working face and inner chamber; Described bakelite main body is arranged in the described inner chamber and fixedly connected described commutator segment assembly, it is characterized in that, described commutator segment assembly is by the forming supporter moulding, and described forming supporter comprises circumferential body and the draw-in groove structure that is arranged at intervals on the described circumferential body sidewall; Described commutator segment is embedded in the described draw-in groove structure.
2. overall plastic commutator according to claim 1 is characterized in that, described commutator segment has short transverse size, Width size and thickness direction size, and described commutator segment sets gradually along described short transverse and is body and hook portion; Described body sets gradually along described thickness direction and is active section and canned paragraph; Described active section connects described hook portion.
3. overall plastic commutator according to claim 2, it is characterized in that described draw-in groove structure comprises the active section draw-in groove that is complementary with described active section shape, the canned paragraph draw-in groove that is complementary with described canned paragraph shape and the hook portion draw-in groove that is complementary with described hook portion shape; Described active section draw-in groove and canned paragraph draw-in groove connect and are arranged at respectively outer wall and the inwall of described circumferential body; Described hook portion draw-in groove and described active section draw-in groove connect and all are arranged on the outer wall of described circumferential body.
4. overall plastic commutator according to claim 3 is characterized in that, described body sets gradually along described thickness direction and is active section and canned paragraph, and described active section connects described hook portion.
5. overall plastic commutator according to claim 4 is characterized in that, the inboard of described bakelite main body also is provided with lining.
6. overall plastic commutator according to claim 5 is characterized in that, described bakelite main body is injected and molded between described canned paragraph and the lining by phenolic moulding powder.
7. overall plastic commutator according to claim 6 is characterized in that, described commutator segment assembly is also fixedly connected by reinforcing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320031824 CN203071377U (en) | 2013-01-22 | 2013-01-22 | Overall plastic commutator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320031824 CN203071377U (en) | 2013-01-22 | 2013-01-22 | Overall plastic commutator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203071377U true CN203071377U (en) | 2013-07-17 |
Family
ID=48770129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320031824 Expired - Fee Related CN203071377U (en) | 2013-01-22 | 2013-01-22 | Overall plastic commutator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203071377U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103840348A (en) * | 2014-03-25 | 2014-06-04 | 瑞安市中恒电器配件厂 | Manufacturing technology of commutator |
-
2013
- 2013-01-22 CN CN 201320031824 patent/CN203071377U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103840348A (en) * | 2014-03-25 | 2014-06-04 | 瑞安市中恒电器配件厂 | Manufacturing technology of commutator |
| CN103840348B (en) * | 2014-03-25 | 2016-06-01 | 瑞安市中恒电器有限公司 | The manufacture craft of a kind of reverser |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130717 Termination date: 20180122 |