WO2024004891A1 - コネクタ - Google Patents

コネクタ Download PDF

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Publication number
WO2024004891A1
WO2024004891A1 PCT/JP2023/023451 JP2023023451W WO2024004891A1 WO 2024004891 A1 WO2024004891 A1 WO 2024004891A1 JP 2023023451 W JP2023023451 W JP 2023023451W WO 2024004891 A1 WO2024004891 A1 WO 2024004891A1
Authority
WO
WIPO (PCT)
Prior art keywords
tube
spring pin
contact
contact portion
circumferential
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.)
Ceased
Application number
PCT/JP2023/023451
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
芳生 田川
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.)
Yokowo Co Ltd
Original Assignee
Yokowo Co Ltd
Yokowo Mfg Co Ltd
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 Yokowo Co Ltd, Yokowo Mfg Co Ltd filed Critical Yokowo Co Ltd
Priority to CN202380048133.3A priority Critical patent/CN119404384A/zh
Priority to DE112023002130.9T priority patent/DE112023002130T5/de
Priority to US18/879,930 priority patent/US20250385457A1/en
Publication of WO2024004891A1 publication Critical patent/WO2024004891A1/ja
Anticipated expiration legal-status Critical
Ceased 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
    • H01R13/02—Contact members
    • H01R13/22—Contacts for co-operating by abutting
    • H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
    • H01R13/2407—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means
    • H01R13/2421—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means using coil springs
    • 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
    • H01R13/22—Contacts for co-operating by abutting
    • H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
    • H01R13/2464—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the contact point
    • H01R13/2471—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the contact point pin shaped
    • 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
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/521—Sealing between contact members and housing, e.g. sealing insert

Definitions

  • the present invention relates to a connector.
  • connectors in which the plunger slides inside the tube may cause a stuck phenomenon
  • tubeless structures have disadvantages in terms of robustness and sealability.
  • An example of an object of the present invention is to provide a connector that does not cause a stacking phenomenon, can ensure robustness and sealing performance, and can be made shorter and shorter. Other objects of the invention will become apparent from the description herein.
  • One aspect of the present invention includes a bottomed cylindrical tube; a contact portion protruding from the opening of the tube; a contact portion abutting the inner bottom surface of the tube; and an elastic deformation portion located between the contact portion and the contact portion;
  • the contact portion and the elastic deformation portion are a connector including a spring pin made of one continuous member.
  • FIG. 1 is a front view showing a cross section of a tube 10, showing an embodiment of a connector according to the present invention.
  • FIG. FIG. 2 is a front view of the embodiment of the connector according to the present invention, with the tube 10 in cross section, with the spring pin 20 pushed in;
  • FIG. 2 is a front view of the embodiment.
  • FIG. 2 is a perspective view of an embodiment.
  • FIG. 3 is a front view of a spring pin 20 used in the embodiment.
  • FIG. 3 is a front cross-sectional view of the spring pin 20.
  • FIG. FIG. 3 is a plan view of the spring pin 20.
  • FIG. FIG. 3 is a right side view of the spring pin 20.
  • FIG. FIG. 3 is a bottom view of the spring pin 20.
  • FIG. 2 is a perspective view of the spring pin 20 viewed from approximately the upper left.
  • FIG. 2 is a perspective view of the spring pin 20 viewed from approximately the upper right side.
  • FIG. 2 is a perspective view of the spring pin 20 viewed from approximately the lower left side.
  • FIG. 2 is a perspective view of the spring pin 20 viewed from approximately the lower right side.
  • the connector 1 includes a conductive bottomed cylindrical tube 10, a contact portion 21 that is placed inside the tube 10, and whose one end protrudes from the opening 11 of the tube 10 as a press contact portion.
  • a conductive spring pin 20 is provided.
  • the bottom surface of the tube 10 of this embodiment is circular. However, a polygonal shape such as a square or a hexagon may be used. When the bottom surface is polygonal, the tube may have a polygonal cylindrical shape that matches the bottom surface.
  • the tube 10 has a substantially conical recess 13 on the inner bottom surface of an inner space 12 having an opening 11. As shown in FIGS. It is also possible for the recess 13 to utilize a depression formed when the inner space 12 is formed by drilling.
  • a flange portion 14 is formed on the outer periphery of the base of the tube 10, and the outer bottom surface of the base is a flat surface so that it can be used for contacting a contact pad of a device on which the connector 1 is placed or for soldering mounting to the device. There is. Note that a structure in which the flange portion is not provided on the outer periphery of the tube 10 may be used.
  • the spring pin 20 is a so-called sheet metal product that is formed, for example, by punching and bending a single conductive plate (metal plate).
  • the conductive material for example, copper alloys such as beryllium copper, titanium copper, and phosphor bronze are used, but the present invention is not limited thereto.
  • the spring pin 20 has a contact portion 21 at one end (hereinafter referred to as the tip) and a contact portion 31 that comes into contact with the inner bottom surface of the tube 10 at the other end (hereinafter referred to as the base end).
  • An elastic deformation section 41 is provided between the contact section 21 and the contact section 31 as a spring function section that expands and contracts.
  • the spring pin 20 is held inside the tube 10 by arranging the spring pin 20 in the inner space 12 of the tube 10 and caulking the opening 11 of the tube 10.
  • the contact portion 31 and the elastic deformation portion 41 are located inside the tube 10, and the contact portion 21 protrudes from the opening 11.
  • the contact portion 21 on the tip side is formed as a tip side convex portion 23 in a substantially hemispherical shape by drawing, for example, on the tip side plate-like portion 22, and is a convex surface that projects from the tube 10.
  • the distal end plate portion 22 has a larger diameter than the inner diameter of the opening 11 after processing by caulking or the like in order to prevent it from coming off. Therefore, the outer diameter of the flange-like portion 24 remaining around the distal protrusion 23 is larger than the inner diameter of the opening 11, and has a function of preventing the distal protrusion 23 from coming off and stabilizing the protruding posture of the distal protrusion 23.
  • the proximal contact portion 31 is formed as a proximal convex portion 33 on the proximal plate portion 32 by, for example, drawing processing, and is a convex surface that protrudes toward the inner bottom surface of the tube 10. .
  • the proximal convex portion 33 abuts and electrically contacts the substantially conical concave portion 13 on the tube side.
  • the proximal protrusion 33 has a smaller diameter and a lower height than the distal protrusion 23 in order to reduce the height of the tube 10.
  • the elastic deformation part 41 communicates the distal end side plate part 22 on the contact part 21 side and the proximal end side plate part 32 on the contact part 31 side, and has an arc-shaped circumferential part 42 that rotates approximately once. It has a first communication part 43 that connects one end of the circumferential part 42 and the distal plate part 22, and a second communication part 44 that connects the other end of the circumferential part 42 and the proximal plate part 32.
  • the elastically deformable portion 41 is connected to the center axis 20a of the spring pin 20, which connects the center of the contact portion 21 and the center of the contact portion 31 shown in FIGS. 5 and 6.
  • the width of the surrounding portion 42 in the direction perpendicular to the central axis 20a is greater than the thickness of the surrounding portion 42 in that direction. Alternatively, the thickness and width of the circumferential portion 42 may be approximately equal.
  • the first communication portion 43 has a length along the central axis 20a to ensure a predetermined gap between the distal end side plate-like portion 22 and the circumferential portion 42.
  • the second communication portion 44 has a length along the central axis 20a to ensure a predetermined gap between the proximal plate portion 32 and the circumferential portion 42.
  • the outer circumferential diameter of the proximal plate portion 32 is set smaller than the inner circumferential diameter of the arc-shaped circumferential portion 42. This is effective in ensuring the expansion and contraction stroke of the elastically deformable portion 41 by avoiding the circumferential portion 42 from hitting the proximal plate portion 32 when the elastically deformable portion 41 is compressed.
  • the spring pin 20 is arranged on the tube 10 so that the direction of the center axis 10a of the tube 10 shown in FIGS. 1 and 2 substantially coincides with the direction of the center line 20a of the spring pin 20.
  • the electrode 51 of the mating device 50 comes into contact with the contact portion 21 of the spring pin 20 of the connector 1, and pushes the spring pin 20. Then, the elastic deformation portion 41 of the spring pin 20 is compressed in the direction along the central axis 10a of the tube 10, and a predetermined contact pressure is applied between the mating electrode 51 and the contact portion 21 by the spring function. The electrical connection between the contact portion 21 and the contact portion 21 can be ensured.
  • the contact portion 31 of the spring pin 20 also contacts the recess 13 on the inner bottom surface of the tube 10 with a predetermined contact pressure, thereby ensuring electrical connection between the spring pin 20 and the tube 10.
  • the connector 1 Since the spring pin 20 of the connector 1 is surrounded by the bottomed cylindrical tube 10 with the spring pin 20 provided inside, the connector 1 has a tubeless structure with a thin plate folded back to form a box shape. It also has excellent robustness. For example, it is possible to prevent the spring pin 20 from shifting laterally or from being excessively deformed when being pushed. Furthermore, since it can be press-fitted or resin-sealed into the mounting casing, there is an advantage that the sealing performance after assembly into the mounting casing is improved.
  • the spring pin 20 has an elastically deformable portion 41 between the contact portion 21 and the contact portion 31, which can be efficiently manufactured as a sheet metal product.
  • the spring pin 20 since the spring pin 20 is made of one continuous member in which the contact portion 21, the contact portion 31, and the elastic deformation portion 41 are continuous, the spring pin 20 has a lower profile and shorter length than the conventional structure in which the plunger and the spring are separate pieces. It is also possible to reduce the number of parts.
  • the structure is such that the plunger and the spring are integrated and conduct electricity to the tube 10 at the base end side of the spring pin 20, so there is no need to tilt the spring pin 20 with respect to the tube center axis 10a, and the stacking phenomenon is less likely to occur.
  • a recess 13 is formed on the inner bottom surface of the tube 10, and the contact portion 31 of the spring pin 20 has a proximal convex portion 33 that comes into contact with the recess 13, so the contact area between the two is clear and electrical connection is established. is stabilized. In other words, contact pressure due to the spring function of the elastically deformable portion 41 is applied to the contact portion between the recess 13 and the proximal convex portion 33, thereby enabling reliable electrical connection between the tube 10 and the spring pin 20. Note that since the recess 13 is generated by drilling when forming the inner space 12, a manufacturing process for forming the recess 13 is unnecessary, and the number of manufacturing steps does not increase.
  • the distal convex portion 23 of the contact portion 21 and the proximal convex portion 33 of the contact portion 31 can be easily formed by press working, and can be manufactured efficiently.
  • the elastically deformable portion 41 has an arc-shaped circumferential portion 42, and the outer circumferential diameter of the proximal plate portion 32 on which the proximal convex portion 33 is formed is smaller than the inner circumferential diameter of the circumferential portion 42. Therefore, it is possible to avoid the circumferential portion 42 from coming into contact with the proximal plate portion 32, and a sufficient expansion and contraction stroke of the elastically deformable portion 41 can be ensured, leading to a reduction in the height of the spring pin.
  • the flange portion 14 is formed at the base of the tube 10, it is easy to attach the connector 1 to the mounting case side by, for example, providing a double hole corresponding to the flange portion 14 on the mounting case side. becomes.
  • a concave portion 13 is formed on the inner bottom surface of the tube 10 and a proximal convex portion 33 is formed on the spring pin 20 side, thereby providing contact through the concave and convex portions.
  • the configuration is not limited to this, and the recess 13 and/or the proximal protrusion 33 may be omitted.
  • the bottom surface of the proximal end of the spring pin 20 (the bottom surface of the proximal plate portion 32) may be brought into contact with the inner bottom surface of the tube 10. This stabilizes the electrical connection between the spring pin 20 and the tube 10. Furthermore, wobbling of the spring pin 20 can be suppressed.
  • the elastically deformable portion 41 of the spring pin 20 is configured to have one circular arc-shaped circumferential portion 42 .
  • the structure is not limited to this, and a plurality of circular arc-shaped circumferential parts may be provided in order to increase the expansion and contraction stroke.
  • the circumferential portion of the circumferential portion may have an outer circumferential diameter that decreases toward the proximal end, such that the circumferential portion on the proximal side fits inside the circumferential portion on the distal end side. Thereby, the expansion/contraction stroke and length of the spring pin 20 can be freely set.
  • the spring pin 20 is held inside the tube 10 by caulking the opening 11 of the tube 10, but it may be held by a separate mechanism.
  • a penetrating cylindrical part whose one end is caulked inward or whose inner peripheral surface is stepped is press-fitted between the tube 10 and the spring pin 20, and the spring pin A mechanism that prevents 20 from coming off may be used.
  • the spring pin 20 By holding the spring pin 20 together with the tube 10 as a separate body such as a penetrating cylindrical component, there are no processing restrictions and manufacturing is simpler than caulking the tube 10.
  • the spring pins 20 have different lengths, there is no need to design the tube 10 for each length, so there is an advantage that parts can be shared.
  • the type of plating can be changed between the tube 10 and the penetrating cylindrical part, it is possible to improve durability, corrosion resistance, etc., or to reduce costs by omitting unnecessary plating.
  • Aspect 1 includes a bottomed cylindrical tube; a contact portion protruding from the opening of the tube; a contact portion abutting the inner bottom surface of the tube; and an elastic deformation portion located between the contact portion and the contact portion;
  • the contact portion and the elastic deformation portion are a connector including a spring pin made of one continuous member.
  • the spring pin since the spring pin is surrounded by the tube, it has better robustness than the conventional tubeless product in which a thin plate is folded back into a box shape. For example, it is possible to prevent the spring pin from shifting laterally or from being excessively deformed when being pushed. It also has the advantage of being applicable to resin sealing after being assembled into a mounting case.
  • the spring pin has an integral structure in which the contact part, the contact part, and the elastic deformation part are continuous, and can be made shorter and shorter than the conventional structure in which the plunger and the spring are separate parts. Furthermore, the number of parts can be reduced. Furthermore, since the spring pin has a structure in which electricity is conducted to the tube at the proximal end side, there is no need to tilt the spring pin with respect to the tube center axis, and a stacking phenomenon is less likely to occur.
  • a concave portion is formed on the inner bottom surface of the tube, and the contact portion has a convex portion that comes into contact with the concave portion.
  • the contact portion between the spring pin and the tube becomes clear, and the electrical connection is stabilized. That is, contact pressure due to the spring function of the elastic deformation portion is applied to the contact portion between the concave portion and the convex portion, thereby making it possible to establish a reliable electrical connection between the tube and the spring pin. Note that, since the recess is generated by drilling when forming the inner space of the tube, a manufacturing process for forming the recess is unnecessary, and the number of manufacturing steps does not increase.
  • the spring pin has a proximal plate-like portion, and the convex portion of the contact portion is formed as a substantially hemispherical convex portion on the proximal plate-like portion.
  • the convex portion of the contact portion can be easily formed by press working.
  • the contact portion is formed as a substantially hemispherical convex portion protruding from the tube.
  • the contact portion can be easily formed by press working.
  • the elastic deformation portion has an arc-shaped circumferential portion, and the outer circumferential diameter of the proximal plate portion is smaller than the inner circumferential diameter of the circumferential portion.
  • the expansion and contraction stroke of the elastic deformation portion that is, the expansion and contraction stroke of the spring pin can be ensured sufficiently.
  • the elastic deformation portion has an arc-shaped circumferential portion, and the outer peripheral diameter of the circumferential portion is smaller from the contact portion toward the contact portion.
  • the outer diameter of the circumferential portion is smaller from the contact portion toward the contact portion, so that when a plurality of circumferential portions are provided, the proximal end portion is located inside the circumferential portion on the distal end side. This is effective for increasing the stroke of the elastically deformable portion by fitting the side circumferential portions into each other.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
PCT/JP2023/023451 2022-07-01 2023-06-26 コネクタ Ceased WO2024004891A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN202380048133.3A CN119404384A (zh) 2022-07-01 2023-06-26 连接器
DE112023002130.9T DE112023002130T5 (de) 2022-07-01 2023-06-26 Verbinder
US18/879,930 US20250385457A1 (en) 2022-07-01 2023-06-26 Connector

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022107051A JP2024006296A (ja) 2022-07-01 2022-07-01 コネクタ
JP2022-107051 2022-07-01

Publications (1)

Publication Number Publication Date
WO2024004891A1 true WO2024004891A1 (ja) 2024-01-04

Family

ID=89382972

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2023/023451 Ceased WO2024004891A1 (ja) 2022-07-01 2023-06-26 コネクタ

Country Status (6)

Country Link
US (1) US20250385457A1 (https=)
JP (1) JP2024006296A (https=)
CN (1) CN119404384A (https=)
DE (1) DE112023002130T5 (https=)
TW (1) TW202410564A (https=)
WO (1) WO2024004891A1 (https=)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1186992A (ja) * 1997-09-05 1999-03-30 Yokowo Co Ltd スプリングコネクタおよびこれを用いた電子部品実装方法
JP2002270321A (ja) * 2001-03-07 2002-09-20 Advanex Inc 半導体パッケージ用ソケット
JP2005285560A (ja) * 2004-03-30 2005-10-13 Citizen Electronics Co Ltd 電子部品用コネクタ
JP2006184285A (ja) * 2005-12-28 2006-07-13 Adorinkusu:Kk タケノコバネ
JP2010097772A (ja) * 2008-10-15 2010-04-30 Nec Saitama Ltd ピンコネクタ
JP2013055035A (ja) * 2011-08-09 2013-03-21 Yokowo Co Ltd コネクタ
JP2014191960A (ja) * 2013-03-27 2014-10-06 Kaga Electronics Co Ltd コンタクトピン、コンタクト組立体、カメラボディ、および交換レンズ
WO2015020176A1 (ja) * 2013-08-09 2015-02-12 日本発條株式会社 接続端子、パワーモジュールおよび通電ユニット
JP2015076207A (ja) * 2013-10-07 2015-04-20 日本航空電子工業株式会社 コネクタ

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6829082B2 (ja) 2017-01-13 2021-02-10 アルプスアルパイン株式会社 圧接コネクタ

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1186992A (ja) * 1997-09-05 1999-03-30 Yokowo Co Ltd スプリングコネクタおよびこれを用いた電子部品実装方法
JP2002270321A (ja) * 2001-03-07 2002-09-20 Advanex Inc 半導体パッケージ用ソケット
JP2005285560A (ja) * 2004-03-30 2005-10-13 Citizen Electronics Co Ltd 電子部品用コネクタ
JP2006184285A (ja) * 2005-12-28 2006-07-13 Adorinkusu:Kk タケノコバネ
JP2010097772A (ja) * 2008-10-15 2010-04-30 Nec Saitama Ltd ピンコネクタ
JP2013055035A (ja) * 2011-08-09 2013-03-21 Yokowo Co Ltd コネクタ
JP2014191960A (ja) * 2013-03-27 2014-10-06 Kaga Electronics Co Ltd コンタクトピン、コンタクト組立体、カメラボディ、および交換レンズ
WO2015020176A1 (ja) * 2013-08-09 2015-02-12 日本発條株式会社 接続端子、パワーモジュールおよび通電ユニット
JP2015076207A (ja) * 2013-10-07 2015-04-20 日本航空電子工業株式会社 コネクタ

Also Published As

Publication number Publication date
DE112023002130T5 (de) 2025-03-27
US20250385457A1 (en) 2025-12-18
TW202410564A (zh) 2024-03-01
JP2024006296A (ja) 2024-01-17
CN119404384A (zh) 2025-02-07

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