CN105958291B - 钩型换向器 - Google Patents
钩型换向器 Download PDFInfo
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- CN105958291B CN105958291B CN201610545544.5A CN201610545544A CN105958291B CN 105958291 B CN105958291 B CN 105958291B CN 201610545544 A CN201610545544 A CN 201610545544A CN 105958291 B CN105958291 B CN 105958291B
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229910052802 copper Inorganic materials 0.000 claims abstract description 26
- 239000010949 copper Substances 0.000 claims abstract description 26
- 239000011159 matrix material Substances 0.000 claims abstract description 25
- 230000006835 compression Effects 0.000 claims abstract description 11
- 238000007906 compression Methods 0.000 claims abstract description 11
- 239000010445 mica Substances 0.000 claims abstract description 4
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 4
- 238000002513 implantation Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 229920001342 Bakelite® Polymers 0.000 description 1
- 239000004637 bakelite Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/04—Commutators
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Abstract
本发明公开了钩型换向器,包括换向器基体和在换向器基体外圆作圆周排布的换向器铜片,换向器铜片的顶部设有弯钩,相邻换向器铜片的片间通过云母片进行绝缘隔离,换向器铜片包括主片体和设于主片体内侧面的勾脚,勾脚植入换向器基体与换向器基体牢固结合,其特征在于:所述勾脚为圆柱压缩弹簧,圆柱压缩弹簧固定在条形柱上,条形柱在主片体的内侧面固定安装。本发明成本低,制作方便,而且能够增强换向器成型时换向器铜片与换向器基体之间的结合力,提高换向器产品的机械强度和超速性能。
Description
【技术领域】
本发明涉及的是一种钩型换向器的改进发明。
【背景技术】
钩型换向器一般由换向器基体和在换向器基体的外圆作圆周排布的换向器铜片组成,换向器铜片的基本构造为:包括主片体和设于主片体内侧面的勾脚,在换向器成型时,主片体通过勾脚植入换向器基体内与换向器基体牢固结合在一起。现有技术的换向器铜片,勾脚通常与主片体一起冲制成型,勾脚一定是冲压金属件,因此受限于勾脚的结构设计,要进一步增强换向器成型时换向器铜片与换向器基体之间的结合力存在较大技术困难,换向器产品机械强度和超速性能不能得到更进一步的提高,因此不能很好满足电动工具越来越高的速度要求。
【发明内容】
针对现有技术的不足,本发明提供了一种成本低,制作方便,能够增强换向器铜片与换向器基体之间的结合力,提高产品机械强度和超速性能的钩型换向器。
本发明是采取如下技术方案来完成的:
钩型换向器,包括换向器基体和在换向器基体外圆作圆周排布的换向器铜片,换向器铜片的顶部设有弯钩,相邻换向器铜片的片间通过云母片进行绝缘隔离,换向器铜片包括主片体和设于主片体内侧面的勾脚,勾脚植入换向器基体与换向器基体牢固结合,其特征在于:所述勾脚为圆柱压缩弹簧,圆柱压缩弹簧固定在条形柱上,条形柱在主片体的内侧面固定安装。
上述技术方案的钩型换向器,换向器铜片的勾脚不是采用冲压金属件而是采用了圆柱压缩弹簧来进行代替,圆柱压缩弹簧在换向器成型时,圆柱压缩弹簧的各圈空隙之间及弹簧内孔均会充填满电木粉材料,从而使换向器铜片与换向器基体之间形成更可靠、更牢固的结合,有效增强换向器成型时换向器铜片与换向器基体之间的结合力,提高钩型换向器产品的机械强度和超速性能
作为优选,所述条形柱焊接固定在主片体内侧面。这样一来,主片体的铜材用料就会大大节省,降低钩型换向器的制作成本。
【附图说明】
本发明有如下附图:
图1为本发明的结构示意图,
图2为图1的A-A视图。
【具体实施方式】
如图所示,本发明的钩型换向器,包括换向器基体2和在换向器基体2外圆作圆周排布的换向器铜片6,换向器铜片6的顶部设有弯钩5,相邻换向器铜片6的片间通过云母片1进行绝缘隔离,换向器铜片6包括主片体和设于主片体内侧面的勾脚,勾脚植入换向器基体2与换向器基体2牢固结合,所述勾脚为圆柱压缩弹簧3,圆柱压缩弹簧3固定在条形柱4上,所述条形柱4以焊接方式在主片体的内侧面固定安装。
Claims (2)
1.钩型换向器,包括换向器基体和在换向器基体外圆作圆周排布的换向器铜片,换向器铜片的顶部设有弯钩,相邻换向器铜片的片间通过云母片进行绝缘隔离,换向器铜片包括主片体和设于主片体内侧面的勾脚,勾脚植入换向器基体与换向器基体牢固结合,其特征在于:所述勾脚为圆柱压缩弹簧,圆柱压缩弹簧固定在条形柱上,条形柱在主片体的内侧面固定安装。
2.如权利要求1所述的钩型换向器,其特征在于:所述条形柱焊接固定在主片体内侧面。
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2645294Y (zh) * | 2003-07-01 | 2004-09-29 | 陈国梁 | 单相电机用径向接触式换向器 |
JP2010207000A (ja) * | 2009-03-05 | 2010-09-16 | Kayaba Ind Co Ltd | ブラシ |
CN202651584U (zh) * | 2012-04-25 | 2013-01-02 | 北京敬业北低自动化设备有限公司 | 一种单晶炉用集电环电刷 |
CN204464717U (zh) * | 2015-03-24 | 2015-07-08 | 浙江卓进电器有限公司 | 带加强环钩型换向器 |
CN205752918U (zh) * | 2016-06-24 | 2016-11-30 | 吴清照 | 钩型换向器 |
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- 2016-06-24 CN CN201610545544.5A patent/CN105958291B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2645294Y (zh) * | 2003-07-01 | 2004-09-29 | 陈国梁 | 单相电机用径向接触式换向器 |
JP2010207000A (ja) * | 2009-03-05 | 2010-09-16 | Kayaba Ind Co Ltd | ブラシ |
CN202651584U (zh) * | 2012-04-25 | 2013-01-02 | 北京敬业北低自动化设备有限公司 | 一种单晶炉用集电环电刷 |
CN204464717U (zh) * | 2015-03-24 | 2015-07-08 | 浙江卓进电器有限公司 | 带加强环钩型换向器 |
CN205752918U (zh) * | 2016-06-24 | 2016-11-30 | 吴清照 | 钩型换向器 |
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