AU2020203596A1 - Electrical Socket - Google Patents

Electrical Socket Download PDF

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Publication number
AU2020203596A1
AU2020203596A1 AU2020203596A AU2020203596A AU2020203596A1 AU 2020203596 A1 AU2020203596 A1 AU 2020203596A1 AU 2020203596 A AU2020203596 A AU 2020203596A AU 2020203596 A AU2020203596 A AU 2020203596A AU 2020203596 A1 AU2020203596 A1 AU 2020203596A1
Authority
AU
Australia
Prior art keywords
cylindrical member
electrical
housing
earth
contact
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
AU2020203596A
Inventor
Faye Finlayson
Edward Joseph Khoury
Darren Lee Rowe
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.)
Individual
Original Assignee
Individual
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
Priority claimed from AU2019901923A external-priority patent/AU2019901923A0/en
Application filed by Individual filed Critical Individual
Publication of AU2020203596A1 publication Critical patent/AU2020203596A1/en
Pending legal-status Critical Current

Links

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
    • H01R13/04—Pins or blades for co-operation with sockets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R31/00—Coupling parts supported only by co-operation with counterpart
    • H01R31/02—Intermediate parts for distributing energy to two or more circuits in parallel, e.g. splitter
    • 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
    • H01R13/10—Sockets for co-operation with pins or blades
    • 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
    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • 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
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/652—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding   with earth pin, blade or socket
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/66—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure with pins, blades or analogous contacts and secured to apparatus or structure, e.g. to a wall
    • H01R24/68—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure with pins, blades or analogous contacts and secured to apparatus or structure, e.g. to a wall mounted on directly pluggable apparatus
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R31/00—Coupling parts supported only by co-operation with counterpart
    • H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R35/00—Flexible or turnable line connectors, i.e. the rotation angle being limited
    • H01R35/04—Turnable line connectors with limited rotation angle with frictional 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
    • H01R13/02—Contact members
    • H01R13/20—Pins, blades, or sockets shaped, or provided with separate member, to retain co-operating parts together

Abstract

An electrical socket (10) comprising a housing (12) and first and second 5 cylindrical members (24 and 26) within the housing (12). The second cylindrical member (26) is received for rotation within an opening in an end of the first cylindrical member (24) and the second cylindrical member (26) includes apertures (18) in a first end surface to receive pins of an electrical plug. First electrical contacts (31) are provided on an inner surface of the first cylindrical 10 member and second electrical contacts (33) provided on an outer surface of the second cylindrical member (26). The second electrical contacts (33) comprise protrusions in a side wall of the second cylindrical member (26) offset longitudinally relative to a longitudinal axis passing through the first and second cylindrical members (24, 26) and the first electrical contacts (31) comprise rings 15 (42) on the inner surface of the first cylindrical member (24) offset longitudinally relative to the longitudinal axis such that each of the protrusions engages a corresponding one of the rings (42). co C) CDl CN 0o cco mO

Description

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AUSTRALIA
Patents Act 1990
COMPLETE SPECIFICATION
Invention title:
"Electrical Socket"
Applicant:
Darren Lee Rowe
Associated provisional applications:
Number 2019901923 filed on 4 June 2019 and Number 2019904939 filed on 24 December 2019
The following statement is a full description of the invention, including the best method of performing it known to me:
"Electrical Socket"
Field of the Invention
[001] The present invention relates to an electrical socket and adaptor formed using the electrical socket.
Background to the Invention
[002] When plugging electrical plugs into an electrical socket, the resulting position of the plug may create problems. For example, in the case where the pins extend from a transformer housing, the transformer housing may be in an awkward position, making it difficult or impossible to insert the pins into the apertures in the socket.
[003] Various sockets have been proposed in which the orientation and/or position of the socket apertures may be changed. The present invention relates to an electrical socket of this type having an improved construction to provide an effective and safe connection of power and earth connections through the socket.
Summary of the Invention
[004] According to one aspect of the present invention there is provided an electrical socket comprising: a housing; a first body portion comprising a first cylindrical member secured within the housing; a second body portion comprising a second cylindrical member received for rotation within an opening in an end of the first cylindrical member, the second body portion including apertures in a first end surface to receive pins of an electrical plug; first electrical contacts on an inner surface of the first cylindrical member; and second electrical contacts provided on an outer surface of the second cylindrical member, the second electrical contacts being in connection with the apertures; wherein the second electrical contacts comprise protrusions in a side wall of the second cylindrical member offset longitudinally relative to a longitudinal axis passing through the first and second cylindrical members and the first electrical contacts comprise rings on the inner surface of the first cylindrical member offset longitudinally relative to the longitudinal axis such that each of the protrusions engages a corresponding one of the rings.
[005] Preferably a ratchet mechanism is provided to limit rotational movement of the second cylindrical member relative to the first cylindrical member.
[006] Preferably the ratchet mechanism comprises a plurality of indents provided around the periphery of a second end surface of the second cylindrical member and a resilient lug provided to engage into one of the indents.
[007] Preferably an inner wall is mounted within the housing to be adjacent the second end surface of the second cylindrical member and includes a resilient arm on which the lug is provided.
[008] Preferably the first cylindrical member includes a first earth contact connectable to an earth and the second cylindrical member includes a second earth contact such that the second earth contact engages with the first earth contact.
[009] Preferably the first earth contact is connected to an earth pin and the second earth contact is connected to the electrical connector that engages with the earth pin of a connected electrical plug.
[010] In a preferred embodiment, the second earth contact comprises a conducting plate provided on the second end surface of the second cylindrical member and the first electrical contact includes one or more contact pins engaging with a surface of the conducting plate.
[011] Preferably a pair of contact pins are provided, the contact pins being spring mounted within a bracket such that the springs bias the contact pins to move against the conducting plate.
[012] Ina preferred embodiment, the housing comprises a first housing portion and a second housing portion wherein the first cylindrical member is secured to an inner surface of an end wall of the first housing portion and the first end of the second cylindrical member extends through a circular opening in an end wall of the second housing portion.
Brief Description of the Drawings
[013] The invention will now be described, byway of example, with reference to the following drawings in which:
[014] Figure 1 is a front perspective view of an electrical adaptor incorporating the electrical socket of the present invention;
[015] Figure 2 is a rear perspective view of the electrical adaptor of Figure 1;
[016] Figure 3 is a side view of the electrical adaptor of Figure 1;
[017] Figure 4 is a rear view of the electrical adaptor of Figure 1;
[018] Figure 5 is an exploded view of the electrical adaptor of Figure 1;
[019] Figure 6 is an exploded view of the rotatable second body portion of the electrical socket;
[020] Figure 7 is a view of an end plate of the electrical socket;
[021] Figure 8 is an exploded view of an earth pin of the electrical connector;
[022] Figure 9 is a first perspective view of a second embodiment of an electrical adaptor incorporating two electrical sockets in accordance with the present invention;
[023] Figure 10 is a second perspective view of the electrical adaptor of Figure 9; and
[024] Figure 11 is an exploded view of the electrical adaptor of Figure 9.
Detailed Description of Preferred Embodiments
[025] Referring to the Figures, there is shown an electrical socket 10 for receiving the electrical plug of an electrical appliance. The electrical socket 10 in the embodiment shown forms part of an electrical adapter 11 having electrical pins 36 such that the adapter 11 can be plugged into another electrical socket, such as a wall mounted power outlet.
[026] The electrical socket 10 comprises generally a first body portion 14 mounted within a housing 12 of the adapter and a second body portion 16 also mounted within the housing 12 for rotational movement relative to the first body portion 14. The second body portion 16 includes apertures 18 for receiving the pins of an electrical plug.
[027] In the embodiment shown, the housing 12 comprises a rectangular prism formed from a first housing portion 20 and a second housing portion 21. The first and second housing portions 20 and 21 are securable together by securing screws to form the housing 12. Each of the housing portions 20 and 21 comprises a rectangular end wall 22 and a transverse side wall 23 extending from around the periphery of the end wall 22. The side walls 23 of each of the housing portions 20 and 21 are securable together to define a chamber within the housing 12.
[028] The first body portion 14 is fixed within the housing 12. The second body portion 16 is secured within the housing 12 such that the second body portion 16 is rotatable relative to the first body portion 14. In the embodiment shown, the first body portion 14 comprises a first cylindrical member 24 secured adjacent an inner surface of the end wall 22 of the first housing portion 20. The second body portion 16 comprises a second cylindrical member 26. An end of the second cylindrical member 26 is received in a cylindrical opening 28 provided in an end of the first cylindrical member 24. In the embodiment shown, the first cylindrical member 24 is open at both ends to define the opening 28 and the second cylindrical member is closed at both ends. The second cylindrical member 26 is rotatable within the opening 28 such that the second cylindrical member 26 is rotatable relative to the first cylindrical member 24 about a longitudinal axis extending through both the first and second cylindrical members 24 and 26.
[029] The end wall 22 of the second housing portion 21 is provided with a circular opening into which is received an end of the second cylindrical member 26. The apertures 18 of the second cylindrical member 26 are provided on a first end surface of the second cylindrical member 26 accessible through the circular opening in the end wall 22 of the second housing portion 21.
[030] The first cylindrical member 24 is provided with first electrical contacts 30. The second cylindrical member 26 is provided with corresponding second electrical contacts 32. The second electrical contacts 32 are each connected to an electrical connector 34 provided within the second cylindrical member 26. The electrical connectors 34 are provided such that pins of an electrical plug inserted through the apertures 18 each engage with a corresponding connector 34.
[031] The second electrical contacts 32 comprise protrusions extending outwardly from a side wall of the second cylindrical member 26. In the embodiment shown, the protrusions comprise tabs forming part of the electrical connectors 34 (as best seen in Figure 6). The protrusions are offset longitudinally along the side wall of the second cylindrical member 26 relative to a longitudinal axis of the second cylindrical member 26. The tabs forming the second electrical contacts 32 pass through holes in the side wall of the second cylindrical member 26 into recesses 40 such that the tabs protrude slightly beyond the outer surface of the side wall of the second cylindrical member 26. In the embodiment shown, the second electrical contacts 32 comprise contacts for the active and neutral connections.
[032] The first electrical contacts 30 are provided on an inner surface of the first cylindrical member 24. The first electrical contacts 30 comprise conductive rings 42 extending around the inner surface of the first cylindrical member 24.
The rings 42 are also offset longitudinally relative to the longitudinal axis of the first cylindrical member 24. The positions of the rings 42 correspond to the positions of the second electrical contacts 32 such that when the second cylindrical member 26 is received in the end of the first cylindrical member 24, the tabs of the second electrical contacts 32 each engage with a corresponding one of the rings 42. Therefore, as the second cylindrical member 26 rotates within the first cylindrical member 24, electrical contact is maintained.
[033] The first electrical contacts 30 are connected as required for the application for which the electrical socket 10 is used. In the embodiment shown, where the electrical socket 10 forms part of the electrical adapter 11, pins 36 are provided extending outwardly from the end wall 22 of the first housing portion 20 and each of the active and neutral pins 36 are connected to the respective ring 42.
[034] The first cylindrical member 24 includes also a first earth contact 31 and the second cylindrical member 26 includes a second earth contact 33. The first earth contact 31 is connected to an earth pin 36 and the second earth contact 33 is connected to the electrical connector 34 that engages with the earth pin of a connected electrical plug.
[035] The second earth contact 33 comprises a conducting plate 41 provided on the second end surface of the second cylindrical member 26. As can be seen in Figure 6, the conducting plate 41 is connected through the second end surface of the second cylindrical member 26 to the earth electrical connector 34.
[036] The first earth contact 31 comprises a pair of contact pins 38. The contact pins 38 are provided in a bracket 37 connected to the earth electrical pin 36. The bracket 37 includes springs 39 to move the contact pins 38 towards the conducting plate 41. Electrical connection between the contact pins 38 is thereby made with the outer surface of the conducting plate 41. The use of two contact pins 38 provides for additional safety in ensuring the earth connection remains in place.
[037] A ratchet mechanism is provided to limit rotational movement of the second cylindrical member 26 relative to the first cylindrical member 24. The mechanism includes a plurality of indents 43 provided around the periphery of the second end surface of the second cylindrical member 26 (as best seen in Figure 5).
[038] The electrical socket 10 includes an inner wall 44 mounted within the housing to be adjacent the second end surface of the second cylindrical member 26. The inner wall 44 in the embodiment shown is secured to the first housing portion 20 by screws 50. The inner wall 44 includes a resilient lug 46 adjacent the edge thereof. In the embodiment shown, the inner wall 44 includes a resilient arm 48 therein and the lug 46 is provided on a distal end of the arm 48. The inner wall 44 includes holes 52 through which the contact pins 38 pass.
[039] The lug 46 includes a rounded end to engage into one of the indents 43. The lug 46 may resiliently move towards and away from the second cylindrical member 26 such that as the second cylindrical member 26 is rotated, the lug 46 rides up and over the edges of the indent 43 into one of the adjacent indents 43. The second cylindrical member 26 is therefore rotatable relative to the first cylindrical member 24 but will remain in the position to which it is rotated by action of the lug 46 engaging into one of the indents 43.
[040] Figures 9 to 11 show a second embodiment of the present invention in which two electrical sockets 10 are provided in an electrical adapter 11. The configuration of the electrical sockets 10 are similar to the first embodiment and like reference numerals are used to denote like parts. The electrical sockets 10 are mounted parallel to each other between the first and second housing portions 20 and 21.
[041] In the embodiment of Figures 9 to 11, one of the electrical sockets 10 does not include pins 36 as only a single set of pins 36 is required for the electrical adapter 11. The rings 42 of one of the electrical sockets 10 are connected across to the pins 36 of the other electrical socket 10 by connecting wires 54. A conductor 56 is provided connecting the earths of the two electrical sockets 10 within the housing 12.
[042] It will be readily apparent to persons skilled in the relevant arts that various modifications and improvements may be made to the foregoing embodiments, in addition to those already described, without departing from the basic inventive concepts of the present invention.

Claims (9)

The claims defining the invention are as follows:
1. An electrical socket comprising: a housing; a first body portion comprising a first cylindrical member secured within the housing; a second body portion comprising a second cylindrical member received for rotation within an opening in an end of the first cylindrical member, the second body portion including apertures in a first end surface to receive pins of an electrical plug; first electrical contacts on an inner surface of the first cylindrical member; and second electrical contacts provided on an outer surface of the second cylindrical member, the second electrical contacts being in connection with the apertures; wherein the second electrical contacts comprise protrusions in a side wall of the second cylindrical member offset longitudinally relative to a longitudinal axis passing through the first and second cylindrical members and the first electrical contacts comprise rings on the inner surface of the first cylindrical member offset longitudinally relative to the longitudinal axis such that each of the protrusions engages a corresponding one of the rings.
2. An electrical connector in accordance with claim 1, wherein a ratchet mechanism is provided to limit rotational movement of the second cylindrical member relative to the first cylindrical member.
3. An electrical connector in accordance with claim 2, wherein the ratchet mechanism comprises a plurality of indents provided around the periphery of a second end surface of the second cylindrical member and a resilient lug provided to engage into one of the indents.
4. An electrical connector in accordance with claim 3, wherein an inner wall is mounted within the housing to be adjacent the second end surface of the second cylindrical member and includes a resilient arm on which the lug is provided.
5. An electrical connector in accordance with any one of the preceding claims, wherein the first cylindrical member includes a first earth contact connectable to an earth and the second cylindrical member includes a second earth contact such that the second earth contact engages with the first earth contact.
6. An electrical connector in accordance with claim 5, wherein the first earth contact is connected to an earth pin and the second earth contact is connected to the electrical connector that engages with the earth pin of a connected electrical plug.
7. An electrical connector in accordance with claim 5 or 6, wherein the second earth contact comprises a conducting plate provided on the second end surface of the second cylindrical member and the first electrical contact includes one or more contact pins engaging with a surface of the conducting plate.
8. An electrical connector in accordance with claim 7, wherein a pair of contact pins are provided, the contact pins being spring mounted within a bracket such that the springs bias the contact pins to move against the conducting plate.
9. An electrical connector in accordance with any one of the preceding claims, wherein the housing comprises a first housing portion and a second housing portion wherein the first cylindrical member is secured to an inner surface of an end wall of the first housing portion and the first end of the second cylindrical member extends through a circular opening in an end wall of the second housing portion.
Darren Lee Rowe By his Patent Attorneys ARMOUR IP
AU2020203596A 2019-06-04 2020-06-01 Electrical Socket Pending AU2020203596A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AU2019901923A AU2019901923A0 (en) 2019-06-04 Electrical Socket
AU2019901923 2019-06-04
AU2019904939 2019-12-24
AU2019904939A AU2019904939A0 (en) 2019-12-24 Electrical Socket

Publications (1)

Publication Number Publication Date
AU2020203596A1 true AU2020203596A1 (en) 2020-12-24

Family

ID=73578840

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2020203596A Pending AU2020203596A1 (en) 2019-06-04 2020-06-01 Electrical Socket

Country Status (2)

Country Link
CN (1) CN112038817A (en)
AU (1) AU2020203596A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN218498497U (en) * 2022-09-05 2023-02-17 品威电子国际股份有限公司 Electric connector and base thereof

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB360784A (en) * 1930-03-15 1931-11-12 Willem Johan Anton Roosen Resilient contact for electric switches, fuses, automatic switches, plug and socket devices, lamps, i.e. for all circuit making and circuit breaking devices
JPH08339844A (en) * 1995-06-12 1996-12-24 Sharp Corp Grounding device
KR200263895Y1 (en) * 2001-06-28 2002-02-19 이성두 Rotary switch plug
CN2681390Y (en) * 2003-09-29 2005-02-23 深圳索雷克家用电器有限公司 Power supply connector
US7214102B2 (en) * 2004-09-20 2007-05-08 Shui Hung Chong Socket with rotatable socket core
FR2911726B1 (en) * 2007-01-19 2009-03-06 Alombard Soc Par Actions Simpl CURRENT BASE AND METHOD FOR ASSEMBLING THE SAME
WO2009100122A1 (en) * 2008-02-06 2009-08-13 Southwire Company Rotating plug adaptor
US7819665B1 (en) * 2010-03-12 2010-10-26 John Nishizawa Rotating electric connector assembly
JP2013161613A (en) * 2012-02-03 2013-08-19 Panasonic Corp Socket
CN202678563U (en) * 2012-07-10 2013-01-16 张明 Separate type safety socket
US20180337503A1 (en) * 2017-05-18 2018-11-22 Sunghoon Samuel Oh Electrical Outlet Assembly with Rotational Connect and Disconnect Feature

Also Published As

Publication number Publication date
CN112038817A (en) 2020-12-04

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