EP4300716A1 - Fiches et lampes - Google Patents

Fiches et lampes Download PDF

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Publication number
EP4300716A1
EP4300716A1 EP23180696.9A EP23180696A EP4300716A1 EP 4300716 A1 EP4300716 A1 EP 4300716A1 EP 23180696 A EP23180696 A EP 23180696A EP 4300716 A1 EP4300716 A1 EP 4300716A1
Authority
EP
European Patent Office
Prior art keywords
housing
plug
connector
connecting wire
wire
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.)
Pending
Application number
EP23180696.9A
Other languages
German (de)
English (en)
Inventor
Dong Chen
Kai Xu
Wanjiong Lin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Self Electronics Co Ltd
Self Electronics Germany GmbH
Original Assignee
Ningbo Self Electronics Co Ltd
Self Electronics Germany GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ningbo Self Electronics Co Ltd, Self Electronics Germany GmbH filed Critical Ningbo Self Electronics Co Ltd
Publication of EP4300716A1 publication Critical patent/EP4300716A1/fr
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H01R13/504—Bases; Cases composed of different pieces different pieces being moulded, cemented, welded, e.g. ultrasonic, or swaged together
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
    • H01R13/582—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable the cable being clamped between assembled parts of the housing
    • H01R13/5825—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable the cable being clamped between assembled parts of the housing the means comprising additional parts captured between housing parts and cable
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/56—Means for preventing chafing or fracture of flexible leads at outlet from coupling part
    • H01R13/562—Bending-relieving
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
    • H01R13/582—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable the cable being clamped between assembled parts of the housing

Definitions

  • the invention relates to the technical field of connectors, in particular to a plug and a lamp.
  • the plug of the lamp includes a housing, a connector and connecting wires, and the connector is provided with one or more terminals inside.
  • the connector part has relevant safety requirements, and the connector and terminals need to meet the tension requirements.
  • the commonly used method is to encapsulate the outer housing of the product. although this can improve the tensile capacity the use verification found that there is a certain risk in this rubberized structure.
  • the rubberized housing will make the terminals inside the connector fixed. However After a long time of use, the terminals in the connector will be stretched and damaged. As a result, the contact resistance of the terminal increases, and in severe cases , the terminal may catch fire.
  • the present invention is to provide a plug and a lamp, aiming at reducing the risk of terminal damage in the plug connector, so as to improve the safety of the plug and prolong the service life of the plug.
  • a plug which includes:
  • At least two protrusions arranged at intervals protrude from the two hole walls opposite to each other in the first direction of the wire passing hole to form the limiting part.
  • the end surface of the limiting part abutting against the connecting wire is arranged in an arc/circular/rounded shape.
  • both the terminal and the connecting wire can move along a second direction, and the first direction is perpendicular to the second direction.
  • the wire passing hole has a gap between two hole walls in the second direction and an outer wall of the connecting wire, so that the connecting wire can move in the second direction.
  • the connector has a first surface and a second surface opposite to each other in the first direction, and the first surface of the connector is ultrasonically welded and fixed to the insulating housing, so as to limit the that the plug connector moves along the first direction, and the second surface of the plug connector abuts against the insulating housing part.
  • welding ribs are distributed along the connection surface on the first housing and/or the second housing.
  • the first housing is provided with a positioning post
  • the second housing is provided with a positioning hole at a position corresponding to the positioning post of the first housing, and the positioning post is inserted into the positioning hole.
  • both the first housing and the second housing are injection molded parts.
  • the present invention also proposes a lamp, including the above-mentioned plug, and the plug includes:
  • the plug includes an insulating housing, a connector and a connecting wire;
  • the insulating housing is formed by ultrasonic welding of the first housing and the second housing, and the first housing and the second housing are surrounded to form an installation cavity and a wire passing hole connected to the installation cavity;
  • the connector is inserted in the installation cavity and protrudes outward, and the connector is provided with a terminal;
  • the connecting wire is electrically connected to the terminal and is drawn out through the wire passing hole, and the wire hole wall of the hole is provided with a limiting part, and the limiting part is pressing against the outer wall of the connecting wire to restrict the moving of the connecting wire along the first direction.
  • terminals in the connector are restricted to move in the first direction, they can move in the second direction, which releases the limit fixation of the terminals in the second direction, avoids the terminals being stretched, and effectively reduces the risk of terminal damage Risk, to improve the safety of the plug, and extend the life of the plug.
  • the present invention proposes a plug, which can be applied to devices such as lamps, but is not limited thereto.
  • the plug in one embodiment of the present invention, includes an insulating housing 10, a connector 20 and a connecting wire 30; the insulating housing 10 is formed by ultrasonic welding of the first housing 11 and the second housing 12. In this way, the first housing 11 and the second housing 12 surround and form the installation cavity 10a and the wire passing hole 10b communicating with the installation cavity 10a; terminals are provided; the connecting wire 30 is electrically connected to the terminal of the plug connector 20 and is drawn out through the wire passing hole 10b, and the hole wall of the wire passing hole 10b is provided with a limiting part, and the limiting part is abutting /pressing against the outer wall of the connecting wire 30, so as to the connecting wire 30 is restricted from moving along the first direction.
  • both the first housing 11 and the second housing 12 can be made of insulating materials such as hard plastic, and both the first housing 11 and the second housing 12 can be injection molded parts made by injection molding process.
  • the first housing 11 and the second housing 12 can be fixed by ultrasonic welding, and the first housing 11 and/or the second housing 12 are distributed with welding ribs along the connection surface, so as to facilitate ultrasonic welding. If there is no waterproof requirement, multiple welding ribs can be provided, and multiple welding ribs can be arranged at intervals on the connecting surface of the housing.
  • the first housing 11 can be provided with a positioning post
  • the second housing 12 can be provided with a matching positioning hole corresponding to the position of the first housing 11, and the positioning post is inserted in the positioning hole to achieve the first welding position during welding.
  • the pre-positioning of the first housing 11 and the second housing 12 facilitates ultrasonic welding, thereby improving the reliability of the housing 10 assembly.
  • ultrasonic welding uses high-frequency vibration waves to transmit to the surfaces of two objects to be welded. In this area, the vibration energy causes the surfaces of the two objects to rub against each other to form fusion between molecular layers.
  • the use of ultrasonic welding instead of lagging allows room for movement within the enclosure.
  • the insulating housing 10 may also be assembled using more components, which is not limited here.
  • both the terminals of the plug connector 20 and the connecting wires 30 can move along the second direction, and the first direction is perpendicular to the second direction.
  • the first direction may be the height direction of the connector 20, that is, the Z-axis direction in the figure;
  • the second direction may be the width direction of the connector 20, that is, the Y-axis in direction in the figure.
  • the connector 20 may be a TYCO connector or other connector 20 with terminals inside, which is not limited here.
  • the connecting wire 30 is used to transmit electrical signals, which may include a conductor and an insulating layer covering the outside of the conductor, the conductor is electrically connected to the terminal of the connector 20, and the insulating layer is connected to the limiting part of the wall of the wire passing hole 10b to restricted from moving the connecting wire 30 in the first direction, so that the connecting wire 30 can be prevented from moving and driving the plug 20 and its terminals in the first direction.
  • the limiting part of the wire passing hole 10b can be a strip-shaped protrusion or a circular bump, and the end surface of the limiting part abutting against the connecting wire 30 can be arranged in an arc shape to avoid indentation of the connecting wire 30 and ensure that it can pass the stress test.
  • the radius R of the arc may be 1.5mm.
  • the plug includes an insulating housing 10, a plug connector 20 and a connecting wire 30; the insulating housing 10 is formed by ultrasonic welding of the first housing 11 and the second housing 12, and the first housing 11 and the second housing 12 are welded together.
  • the second housing 12 surrounds and forms the installation cavity 10a and the wire passing hole 10b communicating with the installation cavity 10a; the plug connector 20 is inserted in the installation cavity 10a and protrudes outward, and the plug connector 20 is provided with a terminal; the connecting wire 30 is electrically connected with the terminal of the plug connector 20 and is drawn out through the wire passing hole 10b, and the hole wall of the wire passing hole 10b is provided with a limiting part, and the limiting part presses against the outer wall of the connecting wire 30 to limit the connecting wire 30 along the first direction.
  • the terminal of the connector 20 and the connecting wire 30 can both move along the second direction, and the first direction is perpendicular to the second direction.
  • the terminals in the connector 20 can move along the second direction, the limit fixation of the terminals in the second direction is released, the terminals are prevented from being stretched, and the risk of damage to the terminals is effectively reduced to improve the safety of the plug and extend the service life of the plug.
  • the plug connector 20 has a first surface and a second surface opposite in the first direction, and the first surface of the plug connector 20 and the insulating housing 10 can be fixed by ultrasonic welding to limit the insertion.
  • the connector 20 moves along the first direction, and the second surface of the connector 20 is arranged in close contact with the insulating housing 10.
  • the connector 20 and the terminals therein cannot move along the third direction and can meet the tension requirement of the plug connector 20, and at the same time, the terminals of the plug connector 20 can move along the second direction, which improves the adaptability of the plug connector 20 when mating.
  • the third direction may be the length direction of the plug connector 20.
  • the present application also improves the installation structure of the connecting wire 30.
  • at least two spaced apart protrusions 101 protrude from two opposite hole walls of the wire passing hole 10b in the first direction to form a limiting part. In this way, the stability in the height direction of the connecting wire 30 and the plug connector 20 connected thereto can be further improved.
  • the body 10 is clearance fit at the wire passing hole 10, so that the connecting wire 30 can move in the second direction, so as to further prevent the terminal from being stretched, hereby reducing the risk of terminal damage, improving the safety of the plug, and extending the length of the plug service life.
  • the plug connector 20 and the insulating housing 10 are fixed by ultrasonic welding to form three welding points. In this way, single-point connection failure between the plug connector 20 and the insulating housing 10 can be avoided, and the stability of welding between the plug connector 20 and the insulating housing 10 is further improved.
  • the connecting lines of the three soldering points can be arranged in a triangular shape, so that the connection between the connector 20 and the insulating housing 10 is more reliable, avoiding single-point, single-direction connection failure, and greatly improving the plug-in connection.
  • the stability of the connection of the piece 20 in the height direction is greatly enhanced.
  • the present invention also proposes a lamp, which includes a plug.
  • a lamp which includes a plug.
  • the plug For the specific structure of the plug, refer to the above-mentioned embodiments. Since the lamp proposed by the present invention includes all the solutions of all the embodiments of the above-mentioned plug, it has at least the same features as the plug. The technical effects are not elaborated here.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
EP23180696.9A 2022-06-29 2023-06-21 Fiches et lampes Pending EP4300716A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210764961.4A CN114976754A (zh) 2022-06-29 2022-06-29 插头及灯具

Publications (1)

Publication Number Publication Date
EP4300716A1 true EP4300716A1 (fr) 2024-01-03

Family

ID=82967948

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23180696.9A Pending EP4300716A1 (fr) 2022-06-29 2023-06-21 Fiches et lampes

Country Status (2)

Country Link
EP (1) EP4300716A1 (fr)
CN (1) CN114976754A (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170207580A1 (en) * 2016-01-18 2017-07-20 Foxconn Interconnect Technology Limited Plug connector assembly having a strengthened metal shell
CN114243364A (zh) * 2021-12-31 2022-03-25 赛尔富电子有限公司 一种导线插接件及其制作方法及具有该导线插接件的电器

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170207580A1 (en) * 2016-01-18 2017-07-20 Foxconn Interconnect Technology Limited Plug connector assembly having a strengthened metal shell
CN114243364A (zh) * 2021-12-31 2022-03-25 赛尔富电子有限公司 一种导线插接件及其制作方法及具有该导线插接件的电器

Also Published As

Publication number Publication date
CN114976754A (zh) 2022-08-30

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