CN102315617A - Electrical cable gland with captive cone - Google Patents
Electrical cable gland with captive cone Download PDFInfo
- Publication number
- CN102315617A CN102315617A CN2011101260341A CN201110126034A CN102315617A CN 102315617 A CN102315617 A CN 102315617A CN 2011101260341 A CN2011101260341 A CN 2011101260341A CN 201110126034 A CN201110126034 A CN 201110126034A CN 102315617 A CN102315617 A CN 102315617A
- Authority
- CN
- China
- Prior art keywords
- armouring
- cable gland
- clamping cone
- inner body
- mooring
- 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.)
- Granted
Links
Images
Classifications
-
- 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
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/06—Joints for connecting lengths of protective tubing or channels, to each other or to casings, e.g. to distribution boxes; Ensuring electrical continuity in the joint
- H02G3/0616—Joints for connecting tubing to casing
- H02G3/0625—Joints for connecting tubing to casing with means for preventing disengagement of conductors
- H02G3/0666—Joints for connecting tubing to casing with means for preventing disengagement of conductors with means clamping the armour of the conductor
-
- 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
- H02G15/04—Cable-end sealings
-
- 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
- H02G15/007—Devices for relieving mechanical stress
-
- 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
- H02G15/013—Sealing means for cable inlets
-
- 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
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/06—Joints for connecting lengths of protective tubing or channels, to each other or to casings, e.g. to distribution boxes; Ensuring electrical continuity in the joint
- H02G3/0616—Joints for connecting tubing to casing
- H02G3/0625—Joints for connecting tubing to casing with means for preventing disengagement of conductors
- H02G3/0675—Joints for connecting tubing to casing with means for preventing disengagement of conductors with bolts operating in a direction parallel to the conductors
Abstract
A cable gland is provided comprising a body including a tubular inner body part and a tubular outer body part and an armor clamp assembly comprising an armor clamping cone associated with the inner body part and a cooperating armor clamping ring associated with the outer body part. The armor clamping cone is held releasably captive relative to the said inner body part to permit a cable gland to be composed of two subassemblies, at least for initial installation purposes. The armor clamping cone is held releasably captive relative to the said inner body part by means of an elastomeric ring encircling an extension to the armor clamping cone. The elastomeric ring cooperates with both the said extension and the inner body part to hold the armor clamping cone captive relative to the inner body part but releasable therefrom.
Description
Technical field
The present invention relates to include this type cable feedthrough of inner armouring clamp assemblies, this inside armouring clamp assemblies generally includes armouring clamping cone that is associated with the inside body of this cable gland and the armouring holding ring that is associated with the outside body of this cable gland.
More particularly; But be not exclusively; The present invention relates to a kind of cable feedthrough, it helps local at least this outside body that unloads to allow after the cable gland is installed and to need not to hinder under the situation of this armouring clamper self, this armouring clamp assemblies of moment inspection of what is the need for and wanting in office.This also makes it possible to check the inner seal liner that between the body of the inside of cable internal jacket and cable feedthrough, acts on.
More particularly, but be not exclusively, the present invention relates to, fit into the application in by reference with this document at this at this type cable feedthrough described in the BP No.GB2368201.
It should be noted that the term armouring uses in this in a broad sense, and comprise: at the built-in electrical insulation cover of cable and the one deck between the exterior insulation cover, said layer is the form of the hard relatively lead with suitable thickness of longitudinal extension; Armouring, it is thin, fully more pliable and tough, selectively is the form of the lead of twisted shape; And metal tape.Armouring can have one or more functions, and said function comprises but is not limited to carries out physical protection or reinforcement for cable; The ground connection of conduction is provided; And electromagnetic shielding is provided.
Background technology
For from the convenience of installing and the purpose of fail safe; The two-part construction of cable gland is provided; Wherein, Do not unclamp armouring clamping cone or armouring holding ring and make armouring clamping cone or armouring holding ring thus and be not easy to lose and and be not easy to omitted from the mounted assembly; This armouring clamping cone keeps mooring with respect to the part of cable gland, the inside body that is generally the cable gland, and this armouring holding ring keeps mooring with respect to another part of cable gland, the outside body that is generally the cable gland simultaneously.
As described in the BP No.GB2368201, the periodic maintenance of electric installation becomes usual thing.
Comprise in this maintenance under the situation of the inner seal of checking the cable gland that this requires armouring clamp cone body can start from the purpose of under the situation that the armouring clamper is thrown off, checking, and separates with the relevant portion of gland body.
It was suggested multiple structure, and used it for of the relevant body maintenance mooring of armouring clamping cone with respect to gland.In the past, around the spring collar of the extension of the cone of armouring clamper be used for the inner surface that is arranged on tubular body on the antelabium or the flange cooperation of inside sensing.
BP No.GB2368201 has proposed a kind ofly to be arranged on the spine of the inside sensing on the tubular body and to be arranged on the interference fit between the flange of the outside sensing in the atubular extension portion of armouring clamping cone of armouring clamper.
Yet it is gratifying that these makeshift all are not proved to be in practice, and this is because spring collar can't easily suitably unclamp when needed, and this interference fit needs very accurate manufacturing tolerance, so that effectively running.
Goal of the invention
An object of the present invention is to provide a kind of cable gland, wherein, armouring clamping cone with respect to the inside body of cable gland with up to now more rapidly mode keep mooring, thereby make the cable gland can have the structure of Shuangzi assembly type.
Another object of the present invention provides the cable gland of above-mentioned universal class, and it allows need not when initial the installation, to use under the situation of loose components, checks inner seal and also checks the armouring clamper usually.
Summary of the invention
According to the present invention; A kind of cable gland that comprises body is provided; This cable gland comprises the inside body of tubulose and the outside body and the armouring clamp assemblies of tubulose; Wherein, This armouring clamp assemblies has the armouring holding ring of armouring clamping cone that is associated with inner body and the cooperation that is associated with outside body, and this armouring clamping cone keeps mooring releasably with respect to said inner body, so that allow the cable gland to comprise two sub-assemblies from initial purpose of installing at least; This cable gland is characterised in that; Armouring clamping cone keeps mooring releasably by means of elastic ring with respect to said inner body, this elastic ring around the extension of armouring clamping cone and with said extension and the cooperation of inner body, so that armouring clamping cone is kept mooring with respect to inner body but can unclamp with inner body.
Further feature of the present invention provides: elastic ring is arranged to preferably the O type ring in the groove in the outer surface of the local extension that is contained in armouring clamping cone; The inside body of cable gland is arranged in the antelabium that its arrival end place has inside sensing, to be used for releasably being retained in elastic ring in the tubular body; This cable gland is arranged to have the structure of Shuangzi assembly type; This armouring clamping cone keeps mooring with respect to inner body; And the armouring holding ring is retained to less interim mooring with respect to outside body, and two body portions are because the screw thread of the cooperation on this two body portions and can axial motion; And this cable gland is arranged to be included as is used to be sealed in the internal jacket of cable and internal compression seal on the external jacket and external compression seal.
This armouring holding ring can be to keep releasably with respect to outside body or interim mooring such as the arbitrary suitable mode the mode described in the said disclosed BP No.GB2368201.
Under the situation of inner seal, the sealing part will roughly be contained in the bore hole of inner body, and will be in use by the free end axial compression of the extension of armouring clamping cone.
In order to understand the present invention more fully, will illustrate and describe an one of which preferred implementation at present.
Description of drawings
In the drawings:
Fig. 1 is the view according to cable gland of the present invention, and its first half illustrates in sectional view; With
Fig. 2 is the zoomed-in view of the middle section of the cable gland shown in Fig. 1.
Embodiment
In the execution mode shown in the accompanying drawing, the present invention is used for the cable gland in the present invention, and this cable gland also is provided with so-called flood seal, is used for preventing that moisture from entering into the inside that is provided with the armouring clamp assemblies of gland.Certainly, the present invention also can be used for many other cable glands.
In this embodiment of the present invention; The cable gland comprises outer tubular body 1 and inner tubular body 4; This outer tubular body 1 has the free end 2 that forms cable 3 usefulness arrival ends, and this inner tubular body 4 has the external thread part 5 that engages with internal thread part 6 cooperations of external tubular body.
Under mounted situation; Two body portions form the internal chamber that is equipped with the armouring clamp assemblies; This armouring clamp assemblies comprises the holding ring 8 of armouring clamping cone 7 and cooperation, and this armouring clamping cone 7 urges the formation cooperation relation with holding ring 8 through the inner tubular body is screwed into effectively in the external tubular body.
Cone has the atubular extension portion 9 that points to backward, and in the installation site, this atubular extension portion 9 is with the internal compression seal 10 of the mode elasticity of compression used for a long time.The arrival end rubber-like external compression seal 11 of gland, this flexible external compression seal 11 comes into operation separately by means of the union nut on the arrival end that is screwed into body 12.
The armouring holding ring 8 of armouring clamping cone 7 and cooperation has the taper clamping face of cooperation.These surperficial cone angles basically can be conventional, and for example, in other words the cone angle of 20 degree perhaps, becomes 10 degree and be the self-locking type with the axis of gland.These surfaces are suitable for the armouring lead 13 of cable is clamped between them.
Releasable attached referring now to armouring clamping cone 7 according to the present invention to inner tubular body, this utilizes the elastic ring of ring-type to realize, and in this case, the elastic ring of this ring-type is the O type ring 14 with suitable diameter and sectional dimension.This O type ring be seated in extension 9 towards extension 9 away from the groove 15 in the outer surface of the end of armouring clamping cone self in, and the inner surface of this O type ring and inner tubular body 4 cooperation.Armouring clamping cone and extension thereof can only keep mooring because this O type ring engages with the resistance of the inner surface of inner tubular body with respect to the inner tubular body.Yet preferably, the inner tubular body has the antelabium 16 of inside sensing, is used for elastic ring releasably is retained in the tubular body.
It is understandable that; Under the situation of the armouring lead of the effective joining cable of armouring clamp assemblies; The outer tubular body of cable gland and inner tubular body can be disconnected from each other under the situation that does not hinder the locking between two conical surfaces and the armouring lead; And under the situation of armouring clamping cone, extension that can be through making armouring clamping cone and inner body are thrown off and are checked inner seal as required.
It should be noted that; The holding ring 8 of the cooperation of armouring clamp assemblies keeps mooring releasably with respect to the outside body of gland equally; So that can outside body be moved away from the armouring clamper, thereby make it possible to this outside body checked from corrosion or from any other purpose.Utilize the flexible O type ring 17 in the groove in the local outer surface that is contained in holding ring, the holding ring 8 with cooperation keeps moorings equally.
As stated; The present invention is embodied as the cable gland with flood seal; This flood seal is used to prevent that moisture from entering between the inside body and outside body of cable gland, and starts from the purpose of integrality of the present disclosure, will further specify it below.
External screw-thread portion 5 on the inner tubular body has short length, and is limited in the inner end zone of inner tubular body.The smooth outside cylindrical surface 20 that diameter is slightly less than the minimum diameter in thread head zone extends to the nut formation portion 21 of the axial outside that is positioned at the outer tubular body from said thread head zone.
The inner surface of outer tubular body has the O type annular seal 22 of annular, and this O type annular seal 22 is contained in the peripheral groove 23, and said peripheral groove 23 is near the end of the reception inner tubular body of outer tubular body.This O type annular seal engages the outside cylindrical surface of inner tubular body, with sealing fully, thereby prevents that any moisture from entering into the chamber that is equipped with the armouring clamp assemblies and entering into the armouring lead thus from the outside.
In order to help to assemble the cable gland; The end of the reception inner tubular body of external tubular body has the tapering 24 of introducing; This introducing tapering 24 is configured such that the lip-deep O type of the outside tubular ring in the next-door neighbour's thread head zone that is installed in the inner tubular body closely will be extruded and roll in the outer tubular member automatically, and causes thus being snapped in the O type ring active position in the peripheral groove.
In order to help this, the inner tubular body is provided with shallow trench 25, and shallow trench 25 next-door neighbour external screw-thread portions 5 are so that O type ring is seated in himself part in this groove.The width of this groove is usually less than the width of the diameter of section of O type ring, and preferably is about width half the of the diameter of section of O type ring.For the convenience of making, extensible this peripheral groove of crossing of the internal thread in the external tubular body.
It is understandable that in this execution mode of the present invention, this cable gland has the structure of Shuangzi assembly type, and the clamping cone keeps mooring with respect to the inner tubular body, and holding ring externally keeps mooring in the tubular body.
What can understand equally is under the situation that does not deviate from scope of the present invention, can make multiple modification to above-mentioned execution mode of the present invention.Especially, the characteristic of gland can extensively change, and armouring clamping cone is kept the purpose of mooring with respect to the inside body of cable gland can be only to be the structure that a kind of Shuangzi assembly type is provided from the purpose of installing.In this case, the characteristic that can check inner seal becomes uncorrelated.
Claims (8)
1. cable gland that comprises body; Said cable gland comprises the inside body of tubulose and the outside body and the armouring clamp assemblies of tubulose; Wherein, Said armouring clamp assemblies has the armouring holding ring of armouring clamping cone that is associated with said inner body and the cooperation that is associated with said outside body; Said armouring clamping cone keeps mooring releasably with respect to said inner body; So that allow said cable gland to comprise two sub-assemblies from initial purpose of installing at least, said cable gland is characterised in that said armouring clamping cone keeps mooring releasably by means of elastic ring with respect to said inner body; Said elastic ring around the extension of said armouring clamping cone and with said extension and said inner body cooperation, so that said armouring clamping cone is kept mooring with respect to said inner body but can unclamp with said inner body.
2. cable gland as claimed in claim 1, wherein, said elastic ring is an O type ring.
3. cable gland as claimed in claim 2, wherein, said O type ring part is contained in the groove in the outer surface of extension of said armouring clamping cone.
4. as each the described cable gland in the aforementioned claim, wherein, the inside body of said cable gland has the antelabium of inside sensing at its arrival end place, said elastic ring releasably is retained in the said tubular body being used for.
5. like each the described cable gland in the aforementioned claim; Wherein, Said cable gland has the structure of Shuangzi assembly type; Said armouring clamping cone keeps mooring with respect to said inner body, and said armouring holding ring is retained to less interim mooring with respect to said outside body, and two body portions are because the screw thread of the cooperation on this two body portions and can axial motion.
6. as each the described cable gland in the aforementioned claim, wherein, said cable gland comprises and is used to be sealed in the internal jacket of cable and internal compression seal on the external jacket and external compression seal.
7. cable gland as claimed in claim 6, wherein, said inner seal is contained in the bore hole of said inner body, and is arranged to the free end axial compression by the extension of said armouring clamping cone.
8. a cardinal principle is as at this description and the cable gland that describes with reference to accompanying drawing.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ZA2010/03396 | 2010-05-13 | ||
| ZA201003396 | 2010-05-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102315617A true CN102315617A (en) | 2012-01-11 |
| CN102315617B CN102315617B (en) | 2015-12-02 |
Family
ID=44243871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110126034.1A Active CN102315617B (en) | 2010-05-13 | 2011-05-12 | Comprise the cable gland of body |
Country Status (7)
| Country | Link |
|---|---|
| KR (1) | KR101651976B1 (en) |
| CN (1) | CN102315617B (en) |
| AU (1) | AU2011202197B2 (en) |
| GB (1) | GB2480375B (en) |
| HK (1) | HK1166187A1 (en) |
| SG (1) | SG176373A1 (en) |
| ZA (1) | ZA201103348B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105932467A (en) * | 2016-06-07 | 2016-09-07 | 倍仕得电气科技（杭州）股份有限公司 | Shielded cable connector |
| CN110197023A (en) * | 2019-05-22 | 2019-09-03 | 国网新疆电力有限公司电力科学研究院 | A kind of pipe mother slides the optimization method and MGG1-200 pipe mother sliding fitting of fitting |
| CN110401044A (en) * | 2019-06-25 | 2019-11-01 | 深圳供电局有限公司 | Cable connecting arrangement |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2555113B (en) * | 2016-10-18 | 2020-10-14 | Jdr Cable Systems Ltd | Cable termination assembly |
| FR3064334B1 (en) * | 2017-03-24 | 2021-05-14 | Dcns Energies | WATERTIGHT THROUGH GASKET OF A BULKHEAD OF A BULKHEAD |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1526696A (en) * | 1976-11-19 | 1978-09-27 | Lackinger F | Cable glands |
| GB2135137A (en) * | 1983-02-04 | 1984-08-22 | Franz Lackinger | Electrical cable glands and their manufacture |
| AU3513484A (en) * | 1983-11-11 | 1985-05-16 | Westward Investments Limited | Electrical cable gland |
| US4692563A (en) * | 1983-11-11 | 1987-09-08 | Westward Investments Limited | Cable gland embodying moisture-proof seal |
| WO2001093395A1 (en) * | 2000-05-31 | 2001-12-06 | Electro-Win Limited | Electrical cable gland permitting of internal inspection |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0314875A (en) * | 1989-06-13 | 1991-01-23 | Komatsu Ltd | Technique for expanding and contracting gel |
| GB2265765A (en) * | 1992-04-04 | 1993-10-06 | Hawke Cable Glands Ltd | Sealed coupling |
| JP3014875B2 (en) * | 1992-11-06 | 2000-02-28 | 松下電工株式会社 | Switchboard |
-
2011
- 2011-05-09 ZA ZA2011/03348A patent/ZA201103348B/en unknown
- 2011-05-10 GB GB201107761A patent/GB2480375B/en active Active
- 2011-05-10 SG SG2011033230A patent/SG176373A1/en unknown
- 2011-05-12 CN CN201110126034.1A patent/CN102315617B/en active Active
- 2011-05-12 AU AU2011202197A patent/AU2011202197B2/en active Active
- 2011-05-13 KR KR1020110045009A patent/KR101651976B1/en active IP Right Grant
-
2012
- 2012-07-11 HK HK12106813.8A patent/HK1166187A1/en unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1526696A (en) * | 1976-11-19 | 1978-09-27 | Lackinger F | Cable glands |
| GB2135137A (en) * | 1983-02-04 | 1984-08-22 | Franz Lackinger | Electrical cable glands and their manufacture |
| AU3513484A (en) * | 1983-11-11 | 1985-05-16 | Westward Investments Limited | Electrical cable gland |
| US4692563A (en) * | 1983-11-11 | 1987-09-08 | Westward Investments Limited | Cable gland embodying moisture-proof seal |
| WO2001093395A1 (en) * | 2000-05-31 | 2001-12-06 | Electro-Win Limited | Electrical cable gland permitting of internal inspection |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105932467A (en) * | 2016-06-07 | 2016-09-07 | 倍仕得电气科技（杭州）股份有限公司 | Shielded cable connector |
| CN105932467B (en) * | 2016-06-07 | 2019-03-08 | 倍仕得电气科技（杭州）股份有限公司 | A kind of shielded cable connector |
| CN110197023A (en) * | 2019-05-22 | 2019-09-03 | 国网新疆电力有限公司电力科学研究院 | A kind of pipe mother slides the optimization method and MGG1-200 pipe mother sliding fitting of fitting |
| CN110401044A (en) * | 2019-06-25 | 2019-11-01 | 深圳供电局有限公司 | Cable connecting arrangement |
Also Published As
| Publication number | Publication date |
|---|---|
| ZA201103348B (en) | 2011-12-28 |
| KR20110125617A (en) | 2011-11-21 |
| GB2480375B (en) | 2014-05-07 |
| GB201107761D0 (en) | 2011-06-22 |
| HK1166187A1 (en) | 2012-10-19 |
| GB2480375A (en) | 2011-11-16 |
| AU2011202197A1 (en) | 2011-12-01 |
| AU2011202197B2 (en) | 2015-02-05 |
| KR101651976B1 (en) | 2016-08-29 |
| SG176373A1 (en) | 2011-12-29 |
| CN102315617B (en) | 2015-12-02 |
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|---|---|---|---|
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| PB01 | Publication | ||
| ASS | Succession or assignment of patent right |
Owner name: CCG OCEANIA HOLDING CO., LTD. Free format text: FORMER OWNER: TROLAD HOLDING CO., LTD. Effective date: 20120903 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20120903 Address after: Western Australia, Australia Applicant after: CCG Oceania Co., Ltd. Address before: The British Virgin Islands of Tortola Applicant before: Tollard Holdings Ltd |
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