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公开(公告)号：US11342150B2
公开(公告)日：2022-05-24
申请号：US16742252
申请日：2020-01-14
Applicant: Xiamen Hongfa Signal Electronics Co., Ltd.
Inventor： Jiabin Lin , Weifeng Wang , Xinshang Dong
Abstract: A high-insulation small-sized hinged electromagnetic relay, includes a bobbin, coil terminals, an iron core and a fixed contact block. The bobbin has a cylindrical portion for winding a coil, and the iron core includes a mandrel and a magnetic pole portion arranged on the upper end of the mandrel; the mandrel of the iron core is fitted into the central hole of the cylindrical portion of the bobbin, the coil terminals is assembled on the lower flange of the bobbin and positioned on one side in the width direction of the bobbin, and the fixed contact block is interposed in the upper flange and the lower flange of the bobbin and positioned on the other side in the width direction of the bobbin; the cylindrical portion is offset.
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公开(公告)号：US11075044B2
公开(公告)日：2021-07-27
申请号：US16321986
申请日：2017-08-09
Applicant: Xiamen Hongfa Signal Electronics Co., Ltd.
Inventor： Jiabin Lin , Qiyue Guo , Zhikun Wang
Abstract: An electromagnetic relay includes a movable contact piece, a yoke, and a coil, the coil being provided with an iron core, wherein the yoke is L-shaped, and has a horizontal edge and a vertical edge; the yoke is disposed outside the coil, and the horizontal edge of the yoke is fixedly connected to the bottom of the iron core, and the vertical edge of the yoke is parallel to an axis of the iron core, wherein one side of the vertical edge of the yoke facing to the coil is provided with a plastic layer formed by means of injection molding, the plastic layer is provided between the yoke and the coil in an insulating manner.
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Patent Agency Ranking
公开(公告)号：US20190341210A1
公开(公告)日：2019-11-07
申请号：US16473619
申请日：2018-04-25
Applicant: Xiamen Hongfa Signal Electronics Co., Ltd.
Inventor： Jiabin Lin
Abstract: The disclosure provides an ultra-small electromagnetic relay with high stationary contact positioning precision, comprises: a stationary spring, a bobbin and a base which are integrated by injection molding, the stationary spring comprises a stationary spring body on which stationary contacts are disposed and a leading-out terminal of the stationary spring extending from the stationary spring body to an outer part of the base; in the leading-out terminal, a first positioning part is disposed at a position corresponding to an edge of the base; in the stationary spring body, a convex extending part extending outside the base is designed as a second positioning part; in the base, a through hole formed through the base of is provided at a position corresponding to a back surface of the stationary spring body on which the stationary contact is mounted, the back surface is designed as a third positioning part during injection molding.
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公开(公告)号：US20240145197A1
公开(公告)日：2024-05-02
申请号：US18276103
申请日：2022-02-17
Applicant: Xiamen Hongfa Signal Electronics Co., Ltd.
Inventor： Jiabin LIN , Xinshang DONG , Zhiyuan SU
CPC classification number: H01H50/44 , H01H50/026 , H01H50/043 , H01H50/36 , H01H50/56 , H01H2050/446
Abstract: The present disclosure provides a highly-reliable insulating ultra-small electromagnetic relay, comprising a coil portion and static spring portions. The coil portion comprises a bobbin; the bobbin comprises two flanges that are located at the two end portions of the bobbin; each static spring portion comprises a static spring provided at at least one end of the bobbin; the static spring comprises a contact portion comprising a static contact; the contact portion of the static spring is provided at the position close to the flange of the bobbin; and in each flange of the bobbin, a first retaining wall and a second retaining wall used for together limiting the position of the contact portion of the static spring in two horizontal directions are respectively and upwardly arranged in a protruding mode.
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公开(公告)号：US11380505B2
公开(公告)日：2022-07-05
申请号：US16473619
申请日：2018-04-25
Applicant: Xiamen Hongfa Signal Electronics Co., Ltd.
Inventor： Jiabin Lin
Abstract: The disclosure provides an ultra-small electromagnetic relay with high stationary contact positioning precision, comprises: a stationary spring, a bobbin and a base which are integrated by injection molding, the stationary spring comprises a stationary spring body on which stationary contacts are disposed and a leading-out terminal of the stationary spring extending from the stationary spring body to an outer part of the base; in the leading-out terminal, a first positioning part is disposed at a position corresponding to an edge of the base; in the stationary spring body, a convex extending part extending outside the base is designed as a second positioning part; in the base, a through hole formed through the base of is provided at a position corresponding to a back surface of the stationary spring body on which the stationary contact is mounted, the back surface is designed as a third positioning part during injection molding.
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公开(公告)号：US20200234903A1
公开(公告)日：2020-07-23
申请号：US16742252
申请日：2020-01-14
Applicant: Xiamen Hongfa Signal Electronics Co., Ltd.
Inventor： Jiabin Lin , Weifeng Wang , Xinshang Dong
Abstract: A high-insulation small-sized hinged electromagnetic relay, includes a bobbin, coil terminals, an iron core and a fixed contact block. The bobbin has a cylindrical portion for winding a coil, and the iron core includes a mandrel and a magnetic pole portion arranged on the upper end of the mandrel; the mandrel of the iron core is fitted into the central hole of the cylindrical portion of the bobbin, the coil terminals is assembled on the lower flange of the bobbin and positioned on one side in the width direction of the bobbin, and the fixed contact block is interposed in the upper flange and the lower flange of the bobbin and positioned on the other side in the width direction of the bobbin; the cylindrical portion is offset.
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公开(公告)号：US20190180964A1
公开(公告)日：2019-06-13
申请号：US16321986
申请日：2017-08-09
Applicant: Xiamen Hongfa Signal Electronics Co., Ltd.
Inventor： Jiabin LIN , Qiyue GUO , Zhikun WANG
Abstract: An electromagnetic relay includes a movable contact piece, a yoke, and a coil, the coil being provided with an iron core, wherein the yoke is L-shaped, and has a horizontal edge and a vertical edge; the yoke is disposed outside the coil, and the horizontal edge of the yoke is fixedly connected to the bottom of the iron core, and the vertical edge of the yoke is parallel to an axis of the iron core, wherein one side of the vertical edge of the yoke facing to the coil is provided with a plastic layer formed by means of injection molding, the plastic layer is provided between the yoke and the coil in an insulating manner.
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