[go: up one dir, main page]

WO2008105675A1 - Collier de cordon pour connecteur ou appareil électrique - Google Patents

Collier de cordon pour connecteur ou appareil électrique Download PDF

Info

Publication number
WO2008105675A1
WO2008105675A1 PCT/NZ2008/000036 NZ2008000036W WO2008105675A1 WO 2008105675 A1 WO2008105675 A1 WO 2008105675A1 NZ 2008000036 W NZ2008000036 W NZ 2008000036W WO 2008105675 A1 WO2008105675 A1 WO 2008105675A1
Authority
WO
WIPO (PCT)
Prior art keywords
cord
locking ring
clamp
locking
clamp according
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/NZ2008/000036
Other languages
English (en)
Inventor
Iain Michael Wickens
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.)
Schneider Electric NZ Ltd
Original Assignee
Schneider Electric New Zealand Holdings 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 Schneider Electric New Zealand Holdings Ltd filed Critical Schneider Electric New Zealand Holdings Ltd
Publication of WO2008105675A1 publication Critical patent/WO2008105675A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • H01R13/58—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
    • H01R13/5804—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 comprising a separate cable clamping part
    • H01R13/5816—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 comprising a separate cable clamping part for cables passing through an aperture in a housing wall, the separate part being captured between cable and contour of aperture
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/02—Cable terminations
    • 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
    • H01R13/506—Bases; Cases composed of different pieces assembled by snap action of the parts
    • 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
    • H01R13/5205—Sealing means between cable and housing, e.g. grommet

Definitions

  • the invention relates to a cord clamp for an electrical connector such as a plug or socket connector, or an electrical appliance.
  • Electrical connectors such as plug or socket connectors which are sold for installation after sale, to an electrical cord, commonly comprise a cord clamp for clamping the connector to the exterior of the cord.
  • the cord clamp forms a strong physical connection between the body of the connector and the cord, additional to the electrical connections that are made between the wires of the cord and the pins of the plug or socket.
  • Cord clamps in various forms are known. It is an object of the invention to provide an improved or at least alternative form of cord clamp.
  • the invention comprises a cord clamp for clamping about an electrical cord where the cord enters an electrical connector or appliance
  • the cord clamp comprising a body part (as herein defined, and herein: body) of an electrical connector or appliance including a cord aperture through which the cord enters the connector or appliance, an annular clamp component comprising an annular proximal end alignable around a cord aperture into the body when the clamp component is in place in relation to the body a passage axially through the clamp component from said proximal end to be a distal end of the clamp component, and a plurality of cord engaging elements radially spaced around said passage through the clamp component, and a locking ring engagable to the body so that a bore through the locking ring axially aligns with the cord aperture and the passage through the clamp component, the interior of the locking ring being arranged to engage with the cord engaging elements of the clamp component when the locking ring is engaged home on the body to cause the cord engaging elements to flex towards one another about said proximal end
  • the cord clamp comprises an annular seal element for sealing about a cord at a distal end of the clamp component adjacent an entry aperture to the bore through the locking ring.
  • the annular seal element is formed of the same material as flexible sections between the cord engaging elements and is moulded to the cord engaging elements with the material between the cord engaging elements.
  • the cord clamp also includes a seal element at the proximal end of the clamp component for sealing the clamp component to the body.
  • This seal may also be moulded from the same material.
  • the invention comprises a cord clamp for clamping about an electrical cord where the cord enters an electrical connector or appliance
  • the cord clamp comprising a body part (herein: body) of an electrical connector or appliance including a cord aperture through which the cord enters the connector or appliance, a one piece annular clamp component including a passage axially through the clamp component which aligns with the cord aperture into the body when the clamp component is in place in relation to the body, a plurality of axially extending, radially spaced, flexibly movable ribs, and an annular seal element for sealing about a cord at a distal end of the clamp component adjacent an entry aperture to the bore through the locking ring, integrally formed as part of the annular clamp component, and a locking ring engagable to the body so that a bore through the locking ring axially aligns with the cord aperture and the passage through the clamp component, the interior of the locking ring being arranged to engage with the ribs of the clamp component when the locking ring is engaged home on
  • the invention comprises a cord clamp for clamping about an electrical cord where the cord enters an electrical connector or appliance
  • the cord clamp comprising a body part (herein: body) of an electrical connector or appliance including a cord aperture through which the cord enters the connector or appliance, an annular clamp component including a passage axially through the clamp component which aligns with the cord aperture into the body when the clamp component is in place in relation to the body, the clamp component comprising a plurality of radially spaced cord engaging elements, a locking ring engagable to the body so that a bore through the locking ring axially aligns with the cord aperture and the passage through the clamp component, the interior of the locking ring being arranged to engage with the cord engaging elements of the clamp component when the locking ring is engaged fully home on the body to move the cord engaging elements radially towards one another, and means retaining the clamp component to the body before the locking ring is engaged on the body.
  • cord and "flex” are used interchangeably and as indicating one or more wires usually but not necessarily with a surrounding sheath often of a plastics material.
  • body part indicates that part of the body of the connector or appliance onto which the locking ring engages.
  • the body part may be the whole of the body, of the plug or connector which will typically be a plastic moulded body, or a part of the body of the plug connector or appliance, such as a smaller part fixed to a larger body of an appliance, which a smaller part defines an aperture through which a cord passes into the appliance and has a threaded exterior onto which the locking ring engages.
  • Figure 1 is a perspective view of the exterior of a plug connector which comprises a preferred embodiment cord clamp of the invention
  • Figure 2 is a longitudinal cross-section of the plug of Figure 1;
  • Figure 3 is a longitudinal cross-section of the plug of Figures 1 and 2, of the cord clamp of the plug only, at one end of the plug;
  • Figure 4 is a perspective view of the clamp component of the preferred embodiment cord clamp
  • Figure 5 is a view of the cord clamp end of the plug of Figures 1 to 3 (the same end as in Figure
  • Figure 6 is a view similar to Figure 3 also showing the end of a length of a electrical flex passing through the cord clamp, after the locking ring has been initially engaged onto the body of the connector but before the locking ring has been rotated fully home on the connector;
  • Figure 7 is a view similar to that of Figure 6 but after the locking ring has been rotated fully home on the connector;
  • Figure 8 is a perspective view of the exterior of a plug connector which comprises an alternative locking ring;
  • Figure 9 is a longitudinal cross-section of the plug of Figure 8;
  • Figure 10 is an enlarged longitudinal cross-section of the plug of Figures 8 and 9, of the locking ring and plug at one end of the plug also showing the end of a length of an electrical flex passing through the locking ring and a cord clamp, after the locking ring has been initially engaged onto the body of the connector but before the locking ring has been rotated fully home on the connector;
  • Figure 11 is a view similar to that of Figure 10 but after the locking ring has been rotated fully home on the connector;
  • Figure 12 is an exploded view of the locking ring of the plug of Figures 8 to 11 ;
  • Figure 13 is a perspective view of the locking ring and the end of the plug body on which the locking ring engages, with the locking ring parts in a relative rotational position that locking tabs of the locking ring do not protrude into the passage through the locking ring to lock the locking ring to the plug body;
  • Figure 14 is a view of the locking ring and end of the plug body similar to Figure 13 but showing the locking tabs protruding into the passage through the plug body to lock the plug body to the plug end;
  • Figure 15 is a view into the interior of the locking ring from one end in the direction of arrow C in Figure 13;
  • Figure 16 is a view similar to that of Figure 15, in the direction of arrow D in Figure 14; and Figure 17 shows an electrical appliance comprising preferred forms of cord clamp at either end of the appliance.
  • Figures 1 to 7 show the first preferred form of the cord clamp, as applied to an electrical plug-
  • the plug comprises a body generally indicated at 1 and electrical (metallic) pins 2.
  • the plug shown is a three phase plug of an industrial grading and optionally comprises a threaded locking ring 3 captive on the body 1 of the plug, which is screwed onto a complementary threaded body of a connector or appliance to which the plug is coupled in use.
  • a module 4 which comprises the pins 2.
  • the individual wires (not shown) of a length of electrical cord or flex to which the connector is coupled are terminated at the other side of the module 4 within the body 1.
  • the cord clamp of the invention is provided at the other end of the plug (herein sometimes referred to as the back end), generally indicated at 6.
  • the cord clamp physically clamps the plug to the cord where the cord enters the body of the plug as will be further desc ⁇ bed.
  • the cord C passes through an aperture 8 in an entry end of the locking ring 7, through the annular clamp component 6, and through an aperture 9 in the end of the connector body 1 as shown, into the interior of the plug body.
  • the clamp component 6 comprises a plurality of axially extending, radially spaced ribs 11
  • the ribs 11 are formed of a harder material and may be coupled by sections 12 of a more flexible and/or softer material between the ribs 11.
  • a component comprising the ⁇ bs 11 is formed for example by in j ection moulding from a harder plastics material, and then the sections 12 of a softer or flexible compressible plastics material which is preferably also resilient, are mouled (co-moulded) to and between the ribs 11.
  • the ribs 11 and sections 12 may be moulded of relatively harder and relatively softer rubber materials, or the ribs 11 may be moulded of a harder plastics material or metal and the sections 12 of a softer rubber material for example.
  • the ribs 11 and sections 12 may be formed of the same material in a single moulding operation, with the sections 12 being formed so as to a thinner wall dimension than the radial thickness of the ribs 11 so that the sections 12 have the requned flexibility
  • the locking ring 7 in the preferred form screw threads onto the body 1 of the plug. At it's back end the body 1 is externalh threaded as indicated at 13, and the bore of the locking ring comprises an internally threaded portion 14 foi threading the locking ring onto the body 1.
  • Figures 3, 5 and 6 show the locking ring 7 after initial threading onto the body.
  • Figure 7 shows the cord clamp after the locking ring has been screwed fully home onto the back end of the plug.
  • the interior of the locking ring engages the ribs 11 and moves the ⁇ bs towards one another, so that the ribs clamp against the cord C, to form a physical connection between the plug and the cord at the back end of the plug.
  • the ⁇ bs 11 move by flexing about a proximal end of the clamp component 6
  • each of the ⁇ bs 11 comprises a shoulder 15 which is engaged by the interior of the locking ring when the locking ring is screwed onto the body.
  • the nbs 11 are moved axially towards one another, to close or compress the clamp component 6 about the cord.
  • the ribs 11 also comprise blunt tooth portions 16 which will bite into the exterior of the cord C as shown in Figure 7.
  • a thrust washer 18 may be provided within the locking ring adjacent the entry 8 to the locking ring and the shoulders 15 of the ribs 11.
  • the thrust washer 18 does not rotate as the locking ring is tightened on the clamp component 6, to assist in preventing rotational distortion of the ribs 11 , but in another form a thrust washer 18 or equivalent may not be essential.
  • the thrust washer 18 is retained within the interior of the locking ring so that it is not lost when the locking ring is removed.
  • the thrust washer in the preferred form has a frusto-conical shape as shown.
  • the relatively flexible material 12 between the ribs 11 is in a preferred form co- moulded to the ribs 11, after first separately forming the ribs 11 by injection moulding from a harder plastics material or die casting from metal for example.
  • the ribs 11 and sections 12 after co-moulding are a single integral component in which the ribs are held in a position but may flex towards one another.
  • an annular seal element 19 is provided and this may be formed from the same softer material as the sections 12 between the ribs and may also be co-moulded to the ribs 11 at the same time as the sections 12 are co-moulded between the ribs.
  • a component of a softer plastics or rubber material may first be moulded with a series of axially extending radially spaced slots and then each of the ribs 11 inserted into and bonded into such slots.
  • the ribs 11 in the preferred form are coupled by a segmented annular part defined by providing each of the ribs 11 with an enlarged end 20a as shown (see particularly Figure 4).
  • such an annular part may be non-segmented.
  • the ribs 11 integrally coupled by continuous (non- segmented) annulus 20 may be injection moulded as a single component, and then the sections 12 and optionally seal 19 co-moulded to and around this first formed component.
  • a seal element 21 at the proximal end of the clamp component 6 for also sealing the clamp component to the body of the coupling as shown (see Figures 6 and 7). This seals against the potential ingress of moisture and dirt through the aperture 8 into the interior of the locking ring 7, and then around the lower annular face of the clamp component 6.
  • the seal 21 is formed of the same material as that of the sections 12 between the ribs 11 and seal 19 at the other end of the clamp component, and is also formed when the clamp component 6 is co-moulded.
  • the seal may be a separate compressible washer or flexible O-ring or similar provided between the clamp component 6 and the body 1 of the coupling around the aperture 9.
  • cord clamp described above is described in relation to a plug but alternatively the cord clamp may be provided at the back end of a socket connector for physically clamping the socket connector to a cord or flex, and alternatively again the cord clamp may be used where a cord enters an electrical appliance.
  • Figure 17 shows in an appliance at either end of which is provided a cord clamp of the invention. The description of the preferred form above in relation to plug is given by way of example only.
  • the locking ring 7 threadedly engages onto the body 1 of the plug and in particular onto the back end of the plug.
  • the locking ring may engage onto the back end of the plug (or alternatively a connector or appliance) via a twist lock-type connection, which requires that the locking ring be pushed hard axially onto the back end of the coupling by the installer and rotated to guide the locking ring fully home and lock the locking ring onto the coupling, in a position in which the locking ring compresses the clamp component 6 as described and generally as shown in Figure 7.
  • the locking ring may snap lock onto the body by simply being pushed hard (without rotation necessarily being required) onto the body.
  • a screw 22 through a side wall of the locking ring is provided as means for locking the locking ring fully home on the body of the plug to prevent the locking ring from loosening unintentionally.
  • the screw 22 is screwed inwardly against the body at the back end of the plug to lock the locking ring into position ( Figure 6 shows the screw 22 before and Figure 7 the screw 22 after). If for any reason it is subsequently desired to remove the plug or connector from the cord or separate the cord and an appliance, the screw 22 is loosened and then the locking ring 7 unscrewed to release the clamp component 6, and the cord may then be removed (after undoing the electrical terminations of the cord wires to the module 4 or equivalent).
  • the cord clamp includes means for retaining the clamp component 6 to the body 1 of the coupling, before initial installation of the plug and which will retain the clamp component 6 to the back end of the plug if the locking ring 7 is subsequently removed to enable the cord and plug to be separated.
  • the clamp component 6 is externally waisted or shaped whereby a circlip 23 conveniently formed of a plastics material may retain the clamp component 6 of the body of the plug or connector or appliance. Teeth of the circlip 23 engage into annular slots 24 in an annular wall part 25 of the back end of the body 1 as shown.
  • means for retaining the clamp component to the body may be manually releaseable to enable the clamp component to be attached to and detached from the body.
  • annular rib may be provided on the interior surface of the annular wall 25 so that the clamp component 6 can removably snap fit into place.
  • one or more flexible plastic latches may be incorporated in the annular wall 25 which engage the clamp component 6 and can be manually released optionally with a screw driver for example, to enable the clamp component to be detached.
  • the ribs 11 comprise cord engaging elements which flex pivotally towards and clamp the cord when the locking ring is tightened.
  • the ribs are longer in the axial direction of the clamp, than they are wide.
  • cord engaging elements may be in an alternative form and may comprise round or square for example pressure points which are radially spaced around the cord clamp axis and have a ring of softer plastics material co-moulded around them to maintain them in position relative to one another, but which enables the harder pressure point components to flex towards one another to clamp the cord when the locking ring is tightened.
  • Figures 8 to 16 show a form of plug comprising a cord clamp of the invention which is the same as that described above with reference to Figures 5 to 7 except that the cord clamp comprises an alternative means for locking the locking ring fully home on the body of die plug.
  • FIGS 8 and 9 show the plug, which also comprises a body generally indicated at 1 and electrical pins 2.
  • the plug shown is a three phase plug of an industrial grading and optionally comprises a threaded locking ring 3 captive on the body 1 of the plug, which is screwed onto a complementary threaded body of a connector or appliance to which the plug is coupled in use.
  • a module 4 which comprises the pins 2.
  • the individual wires (not shown) of a length of electrical cord or flex to which the connector is coupled are terminated at the other side of the module 4 within the body 1.
  • a cord clamp 6 is provided at the back other end of the plug.
  • the cord C passes through an aperture 8 in an entry end of locking ring 7, through an annular clamp component 6 which is as described previously, and through an aperture 9 in the end of the connector body 1 as shown, into the interior of the plug body.
  • the locking ring 7 in this preferred form also screw threads onto the body 1 of the pl u g- At the back end of the plug the body 1 is externally threaded as indicated at 13, and the locking ring comprises an internally threaded portion 14.
  • Figure 10 shows the locking ring 7 after initial threading onto the body.
  • Figure 11 shows the locking ring 7 after it has been screwed fully home onto the plug body, with the interior of the locking ring compressing the cord clamp component 6 tighdy around the cord, to clamp and form a physical connection between the plug and the cord at the back end of the plug.
  • a thrust washer 18 is provided within the locking ring adjacent the entry 8 to the locking ring and between the nut 7 and clamp component 6.
  • the locking ring 7 comprises two parts 40 and 41 which are connected but rotatable relative to one another about the passage through the nut.
  • one of the parts 40 is relatively larger than the other part 41, so that the part 41 forms a ring rotatable about the larger part 40.
  • the two locking ring parts 40 and 41 have a similar diameter, but alternatively the locking ring part 41 could have larger or smaller diameter than the part 40.
  • Figure 12 shows the locking ring 7 in exploded form, and the assembled locking ring is shown in Figure 13 and 14 in it's relative rotational positions.
  • connection tabs 42 on the part 40 snap-fit into grooves inside the part 11, when the two locking ring parts 40 and 41 which may be manufactured from a plastics material by injection moulding for example, are assembled together.
  • the connection of the parts 40 and 41 to form the locking ring 7 allows the two parts 40 and 41 to be rotatably moved relative to one another through at least a limited angle such as approximately 10 to 30 degrees of rotational movement for example.
  • an arcuate element 45 which in the preferred form comprises a metal strip, carries movable locking tabs 14 one at each end as shown, and in the assembled locking ring extends around a waisted portion 47 of the nut part 40 above the annular ridge 50.
  • the arcuate element 45 includes cut outs 49 to accommodate die connection tabs 42 on the nut part 40.
  • the element 45 is associated with to move with the locking ring part 40.
  • Locking tabs 46 are formed as cut outs from the arcuate metal strip 45, which may be formed of spring steel for example, so that the locking tabs 46 move by flexing relative to the main part of the arcuate element strip 45.
  • the locking tabs 46 may be otherwise hingably connected to the metal strip 45, or may alternatively for example be small plastic tabs which are formed as part of the waisted portion 47 of the locking ring part 40 rather than on a separate element strip 15.
  • Cam parts 52 are provided on the interior of the other locking ring part 41, and are positioned so that in one relative rotational position of the locking ring parts 40 and 41 the cams 52 will contact the flexible locking tabs 46 and cause them to move or protrude into the passage through the locking ring. This is shown in Figures 4 and 7.
  • the arcuate metal strip 45 carrying the locking tabs 46 is associated with and moves with the locking ring part 40, so that parts 40 and 41 can be rotated relative to one another to move the cams 52 relative to the flexible locking tabs 46.
  • Figure 14 to move the locking ring from the relative position shown in Figure 14 to that of Figure 13 it is necessary to move the locking ring part(s) in the direction of arrow(s) B in Figure 14.
  • Figures 11 and 14 show the locking ring with it's two parts 40 and 41 in another relative rotational position, in which the cams 52 contact the flexible locking tabs 46 causing them to protrude into the passage through the locking ring.
  • a series of ridges 53 are provided around the end of the plug body below the threaded portion 13 on the plug body, which are engaged by the protruding locking tabs 46.
  • the arrangement is such that one relative rotational position of the locking ring 7 allows rotational movement of the locking ring on the plug body, enabling the locking ring to be threaded onto the plug body, and screwed home fully which in the preferred form also compresses the cord clamp component 6 as referred to previously, while the other relative rotational position of the locking ring causes the locking tabs 46 to engage the ribs 53 on the plug body.
  • the locking tabs 46 are flexibly biased radially outwardly of the passage through the nut, so that when they are not contacted by the cams 52 the locking tabs 46 will return to a non-locking position.
  • the ribs 53 are provided on the connector body below the threaded portion 13 thereof but alternatively the relative positions of the ribs 53 and threaded portion 13 on the body 1 may be reversed.
  • the locking tabs 46 may be flexible or one or more tabs may be provided which will move otherwise by pivoting or hinging for example, relative to one of the nut parts.
  • two locking tabs 46 are carried one each at or near the opposite ends of an arcuate spring steel element 45 but other arrangements are possible as referred to previously.
  • This preferred form electrical connector also comprises second locking means for locking the two locking ring parts in one relative position, which is releasable to enable the locking ring to be returned to it's original relative position to enable in turn the locking ring 7 to be unscrewed from the body of the plug.
  • the arcuate element 45 associated with the locking ring part 40 is bent intermediate of its length to define an outwardly facing detent 55, which interengages with a part (in particular shoulder 56b referred to subsequently) on the interior of the other locking ring part 41.
  • the arrangement is such that when the locking ring part 41 is moved relative to the other part 40, from the one position in which the cams 52 do not engage the locking tabs 46, to the other relative position in which the cams 52 engage the flexible locking tabs 46, the detent 55 drops outwardly from recess 56a into recess 56b on the interior of the part 41. This prevents the locking ring part 41 from being returned to the first relative position until the detent 55 is first manually released from the recess 56b.
  • an aperture 57 radially through the locking ring part 41 aligns with the detent 55 when the locking ring is in this second relative position, which enables a tool such as the end of a small screw driver for example, to be inserted through the aperture 57 to depress the detent 55 while parts 40 and 41 are then rotated back to their original position to withdraw the locking tabs 46, enabling the nut to be unscrewed from the plug body.
  • This movement also returns the detent 55 to recess 56a, in the part 41.
  • a small button component may be provided in the locking ring part 41, which may be depressed manually to release the detent 55 while the locking ring 41 is rotated, or a larger aperture 57 may be provided through which the detent 55 may be directly pushed by a finger.
  • the locking ring 7 may be screwed onto the body of the connector and then the locking ring part 41 rotated to through a small angle cause the detent 55 to drop into the recess 56 to lock the locking ring onto the plug body.
  • the orientation of the flexible locking tabs 46 is such that the locking ring part 41 may be rotated to cause the detent 55 to engage the recess 56 before the locking ring is engaged and rotated fully home on the plug body, with the locking tabs 46 riding over the ribs 53 on the plug body as the nut is screwed onto the plug body, with the locking tabs 46 engaging with the ribs 53 to prevent rotation of the locking ring in the opposite direction to unscrew the locking ring 7 from the body (until the detent 55 has been released as described above).

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

L'invention concerne un collier de cordon destiné à être serré autour d'un cordon électrique, le cordon entrant dans un connecteur ou un appareil électrique, le collier de cordon comprenant une partie de corps (ci-après désignée par corps) d'un connecteur ou d'un appareil électrique comprenant une ouverture pour cordon à travers laquelle le cordon entre dans le connecteur ou l'appareil, un élément de collier annulaire comprenant une extrémité proximale annulaire alignable autour d'une ouverture pour cordon dans le corps lorsque l'élément de collier est en place relativement au corps, définissant un passage axialement dans l'élément de collier de ladite extrémité proximale à une extrémité distale de l'élément de collier, et une pluralité d'éléments de contact avec le cordon radialement espacés autour dudit passage dans l'élément de collier, et une bague annulaire pouvant venir en contact avec le corps de sorte qu'un alésage dans la bague annulaire s'aligne axialement avec l'ouverture pour cordon et le passage dans l'élément de collier, l'intérieur de la bague annulaire étant conçu pour venir en prise avec les éléments de contact avec le cordon de l'élément de collier lorsque la bague annulaire est mise en prise sur le corps afin d'amener les éléments de contact avec le cordon à fléchir les uns vers les autres autour de ladite extrémité proximale de l'élément de collier.
PCT/NZ2008/000036 2007-02-27 2008-02-27 Collier de cordon pour connecteur ou appareil électrique Ceased WO2008105675A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NZ553515 2007-02-27
NZ55351507A NZ553515A (en) 2007-02-27 2007-02-27 A cord clamp for an electrical connector or appliance

Publications (1)

Publication Number Publication Date
WO2008105675A1 true WO2008105675A1 (fr) 2008-09-04

Family

ID=39721457

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NZ2008/000036 Ceased WO2008105675A1 (fr) 2007-02-27 2008-02-27 Collier de cordon pour connecteur ou appareil électrique

Country Status (3)

Country Link
AU (1) AU2007203021A1 (fr)
NZ (1) NZ553515A (fr)
WO (1) WO2008105675A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103891059A (zh) * 2011-09-22 2014-06-25 山一电机株式会社 线缆用连接器的防水构造、使用该防水构造的插塞式连接器、以及插座连接器
CN105244683A (zh) * 2014-07-03 2016-01-13 瑟塞尔公司 用于连接器的应力消除装置以及配备有此应力消除装置的连接器
FR3077937A1 (fr) * 2018-02-15 2019-08-16 Societe D'exploitation Des Procedes Marechal Poignee de connexion electrique comprenant un dispositif de presse etoupe
JP2020109750A (ja) * 2018-12-28 2020-07-16 タイコ エレクトロニクス （シャンハイ） カンパニー リミテッド ケーブル固定装置、ケーブルコネクタ、および電気デバイス

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4208085A (en) * 1978-03-29 1980-06-17 General Electric Company Assembled wedge ring for electrical connectors
US4632488A (en) * 1984-06-08 1986-12-30 Switchcraft, Inc. Cord strain relief device
US5197166A (en) * 1992-05-06 1993-03-30 Illinois Tool Works Inc. Cord closure
GB2270805A (en) * 1992-09-19 1994-03-23 Smiths Industries Plc Lockable connector assembly
US5354213A (en) * 1993-03-31 1994-10-11 Hubbell Incorporated Adjustable electrical cord clamp
US6390847B2 (en) * 1998-03-12 2002-05-21 Hubbell Incorporated Electrical device, such as a plug or a connector, with nameplate having adhesive and mechanical securement

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4208085A (en) * 1978-03-29 1980-06-17 General Electric Company Assembled wedge ring for electrical connectors
US4632488A (en) * 1984-06-08 1986-12-30 Switchcraft, Inc. Cord strain relief device
US5197166A (en) * 1992-05-06 1993-03-30 Illinois Tool Works Inc. Cord closure
GB2270805A (en) * 1992-09-19 1994-03-23 Smiths Industries Plc Lockable connector assembly
US5354213A (en) * 1993-03-31 1994-10-11 Hubbell Incorporated Adjustable electrical cord clamp
US6390847B2 (en) * 1998-03-12 2002-05-21 Hubbell Incorporated Electrical device, such as a plug or a connector, with nameplate having adhesive and mechanical securement

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103891059A (zh) * 2011-09-22 2014-06-25 山一电机株式会社 线缆用连接器的防水构造、使用该防水构造的插塞式连接器、以及插座连接器
EP2760087A4 (fr) * 2011-09-22 2015-05-27 Yamaichi Electronics Co Ltd Structure etanche pour raccord de cable, fiche de connexion utilisant celle-ci, et connecteur de prise
CN105244683A (zh) * 2014-07-03 2016-01-13 瑟塞尔公司 用于连接器的应力消除装置以及配备有此应力消除装置的连接器
CN105244683B (zh) * 2014-07-03 2019-05-14 瑟塞尔公司 用于连接器的应力消除装置以及配备有该装置的连接器
FR3077937A1 (fr) * 2018-02-15 2019-08-16 Societe D'exploitation Des Procedes Marechal Poignee de connexion electrique comprenant un dispositif de presse etoupe
WO2019158847A1 (fr) * 2018-02-15 2019-08-22 Societe D'exploitation Des Procedes Marechal Poignee de connexion electrique comprenant un dispositif de presse etoupe
JP2020109750A (ja) * 2018-12-28 2020-07-16 タイコ エレクトロニクス （シャンハイ） カンパニー リミテッド ケーブル固定装置、ケーブルコネクタ、および電気デバイス
JP7501959B2 (ja) 2018-12-28 2024-06-18 タイコ エレクトロニクス （シャンハイ） カンパニー リミテッド ケーブル固定装置、ケーブルコネクタ、および電気デバイス

Also Published As

Publication number Publication date
NZ553515A (en) 2009-04-30
AU2007203021A1 (en) 2008-09-11

Similar Documents

Publication Publication Date Title
US7118416B2 (en) Cable connector with elastomeric band
US10186804B2 (en) Cable connector with backshell locking
EP1766729B1 (fr) Ensemble d'étanchéité avec écrou pour connecteur coaxial
US7311555B1 (en) Flippable seal member coaxial cable connector and terminal
DE102007009947B4 (de) Steckerelement
DE102007036341B4 (de) Griffanordnung an einem Staubsaugerschlauch
US11904439B2 (en) Apparatus and methods for connector torque sleeve
DE102010061067B4 (de) Vorrichtung zur Fixierung eines Kabels an einen Kabelabgangsstutzen
US7632141B2 (en) Compact compression connector with attached moisture seal
US6309258B1 (en) Single pole cable connector
DE102015118546B4 (de) Befestigungsvorrichtung für einen Wellschlauch
US20020033601A1 (en) Single-piece liquid-tight connector with snap-on cuff
DE202016107070U1 (de) Wasserdichte Konnektoranordnung
WO2008105675A1 (fr) Collier de cordon pour connecteur ou appareil électrique
WO2014144447A1 (fr) Dispositif d'étanchéité de connecteur
US3488073A (en) Attaching device for convoluted tubing
AU2011253956B2 (en) A Cord Clamp For An Electrical Connector Or Appliance
DE102011050455A1 (de) Sensoranordnung mit zwei gegeneinander drehbaren Gehäuseteilen
AU2007203020B2 (en) Lock Ring System For An Electrical Connector Or Appliance
US5354213A (en) Adjustable electrical cord clamp
DE102017219080A1 (de) Verbinder
US6368134B2 (en) Electrical Connector With Loosening-Prevention Ring
DE102006017983B4 (de) Elektrische Steckverbindung
AU2008243085B2 (en) Lock System For Electrical Connector
US20250079757A1 (en) Cable connector

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 08724025

Country of ref document: EP

Kind code of ref document: A1

DPE1 Request for preliminary examination filed after expiration of 19th month from priority date (pct application filed from 20040101)
NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 08724025

Country of ref document: EP

Kind code of ref document: A1