WO2007101435A1 - A resilient clamp and a method of making the resilient clamp - Google Patents

A resilient clamp and a method of making the resilient clamp Download PDF

Info

Publication number
WO2007101435A1
WO2007101435A1 PCT/DK2007/000088 DK2007000088W WO2007101435A1 WO 2007101435 A1 WO2007101435 A1 WO 2007101435A1 DK 2007000088 W DK2007000088 W DK 2007000088W WO 2007101435 A1 WO2007101435 A1 WO 2007101435A1
Authority
WO
WIPO (PCT)
Prior art keywords
resilient clamp
shield
cable
plug
nut
Prior art date
Application number
PCT/DK2007/000088
Other languages
French (fr)
Inventor
Ebbe Petersen
Original Assignee
Ppc Denmark
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 Ppc Denmark filed Critical Ppc Denmark
Publication of WO2007101435A1 publication Critical patent/WO2007101435A1/en

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
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
    • H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
    • H01R9/0527—Connection to outer conductor by action of a resilient member, e.g. spring
    • 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
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
    • H01R24/56—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency specially adapted to a specific shape of cables, e.g. corrugated cables, twisted pair cables, cables with two screens or hollow cables
    • H01R24/564—Corrugated cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
    • H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
    • H01R9/0524—Connection to outer conductor by action of a clamping member, e.g. screw fastening means
    • 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
    • H01R13/5219—Sealing means between coupling parts, e.g. interfacial seal
    • H01R13/5221—Sealing means between coupling parts, e.g. interfacial seal having cable sealing means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2103/00—Two poles

Definitions

  • the invention relates to a resilient clamp for securing a cable in a plug, said cable having a shield and being secured to the plug by means of the resil- ient clamp, which has bent portions securing a rim area of the shield, said plug having a front nut with inner threads capable of being clamped together with a rear nut with outer threads, said front nut and said rear nut having engagement faces between which the shield of the cable and the bent portions on the resilient clamp are clamped together.
  • the invention moreover relates to a method of making a resilient clamp which is adapted to secure a cable having a shield in a plug, said plug having a front nut and a rear nut with engagement faces between which the shield and bent portions on the resilient clamp may be clamped together.
  • Such resilient clamps are used e.g. in connection with the mounting of cables for plugs which are used in connection with the coupling to systems that process mobile telephone signals.
  • the cables may be of different sizes, but it is a requirement for all types that these are safely secured to a plug, so that breakdown in the telecommunications network because of mechanically poor joints between plugs and cables is minimized to the greatest extent possible.
  • a known type of resilient clamp consists of a cylinder which has bent portions at its one end and slits along its surface. This known resilient clamp is rather cumbersome to manufacture, as it is turned in a solid material during the manufacturing process and is subsequently machined by the cutting of slits.
  • an object of the invention is to construct a resilient clamp of the type mentioned in the opening paragraph, which may be manufactured more simply and also more quickly.
  • the object of the invention is achieved by a resilient clamp of the type de- fined in the introductory portion of claim 1 , which is characterized in that the resilient clamp is provided with a slot along its surface.
  • the resilient clamp may be manufactured in two operations, viz. by punching of a sheet and subsequent bending.
  • the resilient clamp is provided with a plurality of slits along its surface, and, as stated in claim 3, that the slits have a varying width.
  • the resilient clamp is made of the same material as the shield of the cable. In addition, expensive surface finishing of the resilient clamp is avoided.
  • the actual geometry of the resilient clamp is expediently configured as stated in claim 5, in that the bent portion extends from its upper, free edge inwards toward the centre of the resilient clamp and from there into a base, where it merges into a bent portion which extends away from the centre, following which it merges into a vertical sheet part.
  • the invention also relates to a method.
  • This method is characterized in that the resilient clamp is punched in a sheet material and is subsequently bent.
  • fig. 1 shows a portion of a cable for the transfer of mobile telephone signals
  • fig. 2 shows a cross-section of a plug with a known resilient clamp for securing a cable in the plug
  • fig. 3 shows a cross-section of a plug with a resilient clamp according to the invention for securing a cable in the plug
  • fig. 4 shows a resilient clamp according to the invention.
  • the numeral 1 designates an outer sheath of a cable, wherein a shield 2 with a rim area 5 is present below the sheath, which is partly removed from the cable.
  • Such a cable is used inter alia in the transfer of mobile telephone signals and is made in many different sizes.
  • a plug For the cable to be connected to e.g. an amplifier cabinet, it must be termi- nated by a plug at its end.
  • a plug is shown in fig. 2 and consists of a front nut 7 with inner threads which may be screwed together with a rear nut 6 with outer threads.
  • An O-ring 8 is fixed between the front nut and the rear nut.
  • the rear nut 6 At its free end, the rear nut 6 is provided with a gasket 9 which is intended to be engaged with the outer sheath of a cable (not shown).
  • the free end of the front nut 7 has a nut 10 mounted thereon which is secured to the front nut 7 by means of a ring 12 of a rigid material.
  • the numeral 13 designates a known resilient clamp which, when the front nut 7 and the rear nut 6 are screwed together, is intended to secure the shield of a cable (not shown) between an engagement face 15 on the front nut 7 and an engagement face 14 on the resilient clamp, when an engagement face 15a on the rear nut 6 is pressed against another engagement face 14a on the resilient clamp 13.
  • the plug of fig. 3 differs from the plug of fig. 2 solely in the configuration of the resilient clamp, which is designated 16 here and is shown in its entirety in fig. 4.
  • the resilient clamp 16 is formed by a machined cylinder which has a slot 17 extending therethrough. At its one end, it is provided with bent portions 19 which extend obliquely downwards from their free edge 20 and inwardly toward the centre of the cylinder to a base 21 , and from there into bent portions 22 which extend obliquely outwards from the centre of the cylinder.
  • bent portions 22 merge into vertical sheet parts 23 and are finally terminated by a ring 24.
  • the base 21 has a diameter which is slightly smaller than the diameter between the plate parts 23. It will now b ⁇ explained how a cable as shown in fig. 1 is secured to the plug shown in fig. 3.
  • the cable with mounted resilient clamp 16 is moved inwards toward the front nut 7, where the cable engages the engagement face 15 on the rear nut 6.
  • the front nut 7 is screwed against the rear nut 6 so that the engagement face 15a on the rear nut 6 is squeezed against the bent portions 19 on the resilient clamp 16, the rim area 5 of the cable and the engagement face 15 of the rear nut 6, whereby the cable is safely secured in the plug.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Clamps And Clips (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

A resilient clamp for securing a cable with a shield in a plug, which has a front nut and a rear nut with engagement faces between which bent portions on the resilient clamp and a rim area of the shield of the cable may be clamped, is provided with a slot and with slits along its surface. Hereby, the resilient clamp may be manufactured with a few, simple working operations, comprising punching of a sheet member and subsequent bending. In an embodiment, the resilient clamp is made of the same material as the shield, which ensures that passive intermodulation is eliminated. In addition, expensive surface finishing of the resilient clamp is avoided.

Description

A resilient clamp and a method of making the resilient clamp
The invention relates to a resilient clamp for securing a cable in a plug, said cable having a shield and being secured to the plug by means of the resil- ient clamp, which has bent portions securing a rim area of the shield, said plug having a front nut with inner threads capable of being clamped together with a rear nut with outer threads, said front nut and said rear nut having engagement faces between which the shield of the cable and the bent portions on the resilient clamp are clamped together.
The invention moreover relates to a method of making a resilient clamp which is adapted to secure a cable having a shield in a plug, said plug having a front nut and a rear nut with engagement faces between which the shield and bent portions on the resilient clamp may be clamped together.
Such resilient clamps are used e.g. in connection with the mounting of cables for plugs which are used in connection with the coupling to systems that process mobile telephone signals.
The cables may be of different sizes, but it is a requirement for all types that these are safely secured to a plug, so that breakdown in the telecommunications network because of mechanically poor joints between plugs and cables is minimized to the greatest extent possible.
A known type of resilient clamp consists of a cylinder which has bent portions at its one end and slits along its surface. This known resilient clamp is rather cumbersome to manufacture, as it is turned in a solid material during the manufacturing process and is subsequently machined by the cutting of slits.
Accordingly, an object of the invention is to construct a resilient clamp of the type mentioned in the opening paragraph, which may be manufactured more simply and also more quickly.
The object of the invention is achieved by a resilient clamp of the type de- fined in the introductory portion of claim 1 , which is characterized in that the resilient clamp is provided with a slot along its surface.
Hereby, the resilient clamp may be manufactured in two operations, viz. by punching of a sheet and subsequent bending.
For use in the adaptation of the resilient clamp in connection with cables of varying sizes, it is advantageous, as stated in claim 2, that the resilient clamp is provided with a plurality of slits along its surface, and, as stated in claim 3, that the slits have a varying width.
In order to avoid passive intermodulation in the plug, it is advantageous, as stated in claim 4, that the resilient clamp is made of the same material as the shield of the cable. In addition, expensive surface finishing of the resilient clamp is avoided.
The actual geometry of the resilient clamp is expediently configured as stated in claim 5, in that the bent portion extends from its upper, free edge inwards toward the centre of the resilient clamp and from there into a base, where it merges into a bent portion which extends away from the centre, following which it merges into a vertical sheet part.
As mentioned, the invention also relates to a method. This method is characterized in that the resilient clamp is punched in a sheet material and is subsequently bent.
The invention will now be explained more fully with reference to the draw- ing, in which
fig. 1 shows a portion of a cable for the transfer of mobile telephone signals,
fig. 2 shows a cross-section of a plug with a known resilient clamp for securing a cable in the plug,
fig. 3 shows a cross-section of a plug with a resilient clamp according to the invention for securing a cable in the plug, while
fig. 4 shows a resilient clamp according to the invention.
In fig. 1 , the numeral 1 designates an outer sheath of a cable, wherein a shield 2 with a rim area 5 is present below the sheath, which is partly removed from the cable.
Centrally in the cable, there is a hollow conductor 4 surrounded by an insulation 3 which, with its outer side, engages the inner side of the shield 2.
Such a cable is used inter alia in the transfer of mobile telephone signals and is made in many different sizes.
For the cable to be connected to e.g. an amplifier cabinet, it must be termi- nated by a plug at its end. Such a plug is shown in fig. 2 and consists of a front nut 7 with inner threads which may be screwed together with a rear nut 6 with outer threads. An O-ring 8 is fixed between the front nut and the rear nut. At its free end, the rear nut 6 is provided with a gasket 9 which is intended to be engaged with the outer sheath of a cable (not shown).
As will be seen, the free end of the front nut 7 has a nut 10 mounted thereon which is secured to the front nut 7 by means of a ring 12 of a rigid material.
Centrally in the plug, there is a conductor 10 which is intended to be con- nected to a counterpart (not shown) in another plug (not shown), said nut 10 being then merely screwed together with the plug in the counterpart (not shown).
The numeral 13 designates a known resilient clamp which, when the front nut 7 and the rear nut 6 are screwed together, is intended to secure the shield of a cable (not shown) between an engagement face 15 on the front nut 7 and an engagement face 14 on the resilient clamp, when an engagement face 15a on the rear nut 6 is pressed against another engagement face 14a on the resilient clamp 13.
The plug of fig. 3 differs from the plug of fig. 2 solely in the configuration of the resilient clamp, which is designated 16 here and is shown in its entirety in fig. 4.
As will be seen best in fig. 4, the resilient clamp 16 is formed by a machined cylinder which has a slot 17 extending therethrough. At its one end, it is provided with bent portions 19 which extend obliquely downwards from their free edge 20 and inwardly toward the centre of the cylinder to a base 21 , and from there into bent portions 22 which extend obliquely outwards from the centre of the cylinder.
The bent portions 22 merge into vertical sheet parts 23 and are finally terminated by a ring 24.
Further, the base 21 has a diameter which is slightly smaller than the diameter between the plate parts 23. It will now bθ explained how a cable as shown in fig. 1 is secured to the plug shown in fig. 3.
First, a portion of the cable sheath 1 is removed, following which the resil- ient clamp 16 is moved beyond the shield 2 so that the bent portions 20 engage the rim area 5 of the shield 2.
Then, the cable with mounted resilient clamp 16 is moved inwards toward the front nut 7, where the cable engages the engagement face 15 on the rear nut 6.
Then, the front nut 7 is screwed against the rear nut 6 so that the engagement face 15a on the rear nut 6 is squeezed against the bent portions 19 on the resilient clamp 16, the rim area 5 of the cable and the engagement face 15 of the rear nut 6, whereby the cable is safely secured in the plug.

Claims

PATENT CLAIMS
1. A resilient clamp for securing a cable in a plug, said cable having a shield and being secured to the plug by means of the resilient clamp, which has bent portions securing a rim area of the shield, said plug having a front nut with inner threads capable of being clamped together with a rear nut with outer threads, said front nut and said rear nut having engagement faces between which the shield of the cable and the bent portions on the resilient clamp are clamped together, characterized in that the re- silient clamp is provided with a slot along its surface.
2. A resilient clamp according to claim 1, characterized in that the resilient clamp is provided with a plurality of slits along its surface.
3. A resilient clamp according to claim 2, characterized in that the slits have a varying width.
4. A resilient clamp according to claims 1-3, characterized in that the resilient clamp is made of the same material as the shield of the cable.
5. A resilient clamp according to claims 1-4, characterized in that the bent portion extends from its upper, free edge inwards toward the centre of the resilient clamp and from there into a base, where it merges into a bent portion which extends away from the centre, following which it merges into a vertical sheet part.
6. A method of making a resilient clamp which is adapted to secure a cable having a shield in a plug, said plug having a front nut and a rear nut with engagement faces between which the shield and bent portions on the re- silient clamp may be clamped together, cha racterized in that the resilient clamp is punched in a sheet material and is subsequently bent.
PCT/DK2007/000088 2006-03-06 2007-02-26 A resilient clamp and a method of making the resilient clamp WO2007101435A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK200600323A DK200600323A (en) 2006-03-06 2006-03-06 Resilient clamp as well as method of manufacturing the resilient clamp
DKPA200600323 2006-03-06

Publications (1)

Publication Number Publication Date
WO2007101435A1 true WO2007101435A1 (en) 2007-09-13

Family

ID=36593606

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DK2007/000088 WO2007101435A1 (en) 2006-03-06 2007-02-26 A resilient clamp and a method of making the resilient clamp

Country Status (3)

Country Link
DK (1) DK200600323A (en)
TW (1) TW200742206A (en)
WO (1) WO2007101435A1 (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011053440A1 (en) * 2008-11-05 2011-05-05 Andrew Llc Interleaved outer conductor shield contact
WO2011128076A1 (en) * 2010-04-14 2011-10-20 Pfisterer Kontaktsysteme Gmbh Device for electrically connecting a cable, in particular a plug-in connector part having a shielded contact element
WO2013006668A1 (en) * 2011-07-07 2013-01-10 John Mezzalingua Associates, Inc. Coaxial cable connector assembly
US8449327B2 (en) 2008-11-05 2013-05-28 Andrew Llc Interleaved outer conductor spring contact for a coaxial connector
US9083113B2 (en) 2012-01-11 2015-07-14 John Mezzalingua Associates, LLC Compression connector for clamping/seizing a coaxial cable and an outer conductor
US9099825B2 (en) 2012-01-12 2015-08-04 John Mezzalingua Associates, LLC Center conductor engagement mechanism
CN104882736A (en) * 2015-04-29 2015-09-02 中航光电科技股份有限公司 Electrical connector
CN104882737A (en) * 2015-04-29 2015-09-02 中航光电科技股份有限公司 Shielding ring and shielding assembly using the same
JP2020511764A (en) * 2017-03-22 2020-04-16 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 connector

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2056194A (en) * 1979-08-13 1981-03-11 Thomas & Betts Corp Jacketed metal clad cable connector
DE19908469A1 (en) * 1999-02-26 2000-09-21 Tyco Electronics Logistics Ag Socket coaxial plug, has metal jack connector running around groove and with slot which extends up to beyond groove in insertion direction of front of jack

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2056194A (en) * 1979-08-13 1981-03-11 Thomas & Betts Corp Jacketed metal clad cable connector
DE19908469A1 (en) * 1999-02-26 2000-09-21 Tyco Electronics Logistics Ag Socket coaxial plug, has metal jack connector running around groove and with slot which extends up to beyond groove in insertion direction of front of jack

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011053440A1 (en) * 2008-11-05 2011-05-05 Andrew Llc Interleaved outer conductor shield contact
US8449327B2 (en) 2008-11-05 2013-05-28 Andrew Llc Interleaved outer conductor spring contact for a coaxial connector
WO2011128076A1 (en) * 2010-04-14 2011-10-20 Pfisterer Kontaktsysteme Gmbh Device for electrically connecting a cable, in particular a plug-in connector part having a shielded contact element
US8858261B2 (en) 2010-04-14 2014-10-14 Pfisterer Kontaktsysteme Gmbh Device for electrically connecting a cable, in particular a plug-in connector part having a shielded contact element
US9214771B2 (en) 2011-06-01 2015-12-15 John Mezzalingua Associates, LLC Connector for a cable
WO2013006668A1 (en) * 2011-07-07 2013-01-10 John Mezzalingua Associates, Inc. Coaxial cable connector assembly
US8628352B2 (en) 2011-07-07 2014-01-14 John Mezzalingua Associates, LLC Coaxial cable connector assembly
US9083113B2 (en) 2012-01-11 2015-07-14 John Mezzalingua Associates, LLC Compression connector for clamping/seizing a coaxial cable and an outer conductor
US9099825B2 (en) 2012-01-12 2015-08-04 John Mezzalingua Associates, LLC Center conductor engagement mechanism
CN104882736A (en) * 2015-04-29 2015-09-02 中航光电科技股份有限公司 Electrical connector
CN104882737A (en) * 2015-04-29 2015-09-02 中航光电科技股份有限公司 Shielding ring and shielding assembly using the same
JP2020511764A (en) * 2017-03-22 2020-04-16 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 connector

Also Published As

Publication number Publication date
TW200742206A (en) 2007-11-01
DK200600323A (en) 2006-05-18

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