CN102315617B - Comprise the cable gland of body - Google Patents
Comprise the cable gland of body Download PDFInfo
- Publication number
- CN102315617B CN102315617B CN201110126034.1A CN201110126034A CN102315617B CN 102315617 B CN102315617 B CN 102315617B CN 201110126034 A CN201110126034 A CN 201110126034A CN 102315617 B CN102315617 B CN 102315617B
- Authority
- CN
- China
- Prior art keywords
- armouring
- cable gland
- inner body
- cone
- external
- 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.)
- Active
Links
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
- H02G15/007—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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Cable Accessories (AREA)
- Installation Of Indoor Wiring (AREA)
Abstract
The invention provides a kind of cable gland comprising body, this cable gland comprises the inside body of tubulose and the external body of tubulose and armouring clamp assemblies, and this armouring clamp assemblies comprises the armouring holding ring cooperated that the armouring be associated with inner body clamps cone and is associated with external body.Armouring clamping cone keeps releasably mooring relative to described inner body, at least to allow cable gland to comprise two sub-components for the object of initial installation.This armouring clamping cone keeps releasably mooring by means of elastic ring relative to described inner body, and this elastic ring is around the extension of armouring clamping cone.This elastic ring cooperates with described extension and inner body, to stay armouring to be clamped cone but can unclamp with inner body relative to inner body maintainer.
Description
Technical field
The present invention relates to this kind of cable feedthrough including inner armor clamp assemblies, this inner armor clamp assemblies generally includes the armouring holding ring that the armouring be associated with the inside body of this cable gland clamps cone and is associated with the external body of this cable gland.
More specifically, but not exclusively, the present invention relates to a kind of cable feedthrough, it contributes at least local and unloads this external body to allow when after installing cable gland and without the need to hindering this armouring clamper self, the moment wanted of what is the need in office checks this armouring clamp assemblies.This also makes it possible to check the inner seal liner acted between cable internal jacket and the inside body of cable feedthrough.
More specifically, but not exclusively, the present invention relates to this kind of cable feedthrough described in British patent No.GB2368201, fit into the application by this file by reference at this.
It should be noted that term armouring is used in a broad sense in this, and comprise: the one deck between the built-in electrical insulation of cable overlaps and exterior insulation overlaps, described layer is the form with the relatively hard wire of suitable thickness of longitudinal extension; Armouring, it is the form of thin, fully more pliable and tough, selectively in twisted shape wire; And metal tape.Armouring can have one or more function, and described function carries out physical protection or strengthening including, but not limited to for cable; The ground connection of conduction is provided; And electromagnetic shielding is provided.
Background technology
In order to the object for the convenience installed and 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 clamp cone or armouring holding ring thus and be not easy to lose and and be not easy to be missed from mounted assembly, this armouring clamping cone is stayed relative to a part for cable gland, the inside body maintainer that is generally cable gland, and this armouring holding ring keeps mooring relative to another part of cable gland, the external body that is generally cable gland simultaneously.
As described in British patent No.GB2368201, the periodic maintenance of electrical install becomes usual thing.
When this maintenance comprises the inner seal checking cable gland, this requires that armouring clamp cone body for the object of carrying out when not making armouring clamper throw off checking, and can be separated with the relevant portion of gland body.
Be proposed various structures, and use it for and armouring is clamped cone stay relative to the relevant body maintainer of gland.In the past, around the spring collar of the extension of the cone of armouring clamper for cooperating with the antelabium or flange of the inside sensing on the inner surface being arranged on tubular body.
The spine that British patent No.GB2368201 is proposed a kind of inside sensing be arranged in tubular body and the armouring being arranged on armouring clamper clamp the interference fit between the flange outwardly on the tubular protrusions of cone.
But these makeshift are not all proved to be gratifying in practice, and this is because spring collar cannot easily suitably unclamp when needed, and this interference fit needs very accurate manufacturing tolerance, effectively to operate.
Goal of the invention
An object of the present invention is to provide a kind of cable gland, wherein, armouring clamping cone relative to cable gland inside body with up to now more rapidly mode keep mooring, thus enable cable gland have the structure of Shuangzi assembly type.
Another object of the present invention is to provide the cable gland of above-mentioned universal class, and its permission is without the need to when use loose components, checking inner seal and usual also inspection armouring clamper when initially installing.
Summary of the invention
According to the present invention, provide a kind of cable gland comprising body, this cable gland comprises the inside body of tubulose and the external body of tubulose and armouring clamp assemblies, wherein, this armouring clamp assemblies has the armouring holding ring cooperated that the armouring be associated with inner body clamps cone and is associated with external body, this armouring clamping cone keeps releasably mooring relative to described inner body, at least to allow cable gland to comprise two sub-components for the object of initial installation, the feature of this cable gland is, armouring clamping cone keeps releasably mooring by means of elastic ring relative to described inner body, this elastic ring clamps the extension of cone around armouring and cooperates with described extension and inner body, to stay relative to inner body maintainer armouring to be clamped cone but can unclamp with inner body, wherein, described elastic ring is the form of O type ring, described O type ring local is contained in the groove in the outer surface of the extension of described armouring clamping cone.
Further feature of the present invention provides: the inside body of cable gland is arranged in its arrival end place and has the antelabium inwardly pointed to, be releasably retained in tubular body for by elastic ring; This cable gland is arranged to the structure with Shuangzi assembly type, this armouring clamping cone is stayed relative to inner body maintainer, and armouring holding ring keeps at least interim mooring relative to external body, and two body portion can axial motion due to the screw thread of the cooperation in this two body portion; And this cable gland is arranged to comprise for the internal compression seal on the internal jacket for being sealed in cable and external jacket and external compression seal.
This armouring holding ring can keep releasably or interim mooring relative to external body in the arbitrary suitable mode of the mode such as described in described disclosed British patent No.GB2368201 and so on.
When inner seal, the seal will roughly be contained in the bore hole of inner body, and in use will be clamped the free end axial compression of the extension of cone by armouring.
In order to the present invention can be understood more fully, now an one preferred implementation is described with reference to the accompanying drawings.
Accompanying drawing explanation
In the drawings:
Fig. 1 is the view according to cable gland of the present invention, and its first half is illustrated in the sectional views; With
Fig. 2 is the zoomed-in view of the middle section of the cable gland shown in Fig. 1.
Embodiment
In the present invention in the execution mode shown in accompanying drawing, the present invention is used for cable gland, and this cable gland is also provided with so-called floodseal part, for the inside being provided with armouring clamp assemblies preventing moisture from entering into gland.Certainly, the present invention also can be used for other cable glands many.
In this embodiment of the present invention, cable gland comprises outer tubular body portion 1 and inner tubular body 4, this outer tubular body portion 1 has and forms cable 3 free end 2 of arrival end, and this inner tubular body 4 has the external thread part 5 engaged that to cooperate with the internal thread part 6 of external tubular body.
In mounted situation, two body portion form the internal chamber being equipped with 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 and holding ring 8 urge formation cooperation relation effectively by being screwed in external tubular body by inner tubular body.
Cone has the tubular protrusions 9 pointed to backward, and in installation site, this tubular protrusions 9 is with the internal compression seal 10 of the mode elasticity of compression used for a long time.The arrival end of gland has flexible external compression seal 11, and this flexible external compression seal 11 comes into operation separately by means of the union nut 12 be screwed on the arrival end of body.
The armouring holding ring 8 of armouring clamping cone 7 and cooperation has the taper clamping face of cooperation.The cone angle on these surfaces substantially can be conventional, such as, the cone angle of 20 degree or, in other words, become 10 degree with the axis of gland and be self locking type.These surfaces are suitable for the sheathed wire 13 of cable to clamp between which.
Clamp the releasable attached of cone 7 to inner tubular body referring now to armouring according to the present invention, 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, and this O type ring cooperates with the inner surface of inner tubular body 4.Armouring clamping cone and extension thereof only can keep mooring because this O type ring engages with the resistance of the inner surface of inner tubular body relative to inner tubular body.But preferably, inner tubular body has the antelabium 16 inwardly pointed to, for being releasably retained in tubular body by elastic ring.
Be understandable that, when the sheathed wire of the effective joining cable of armouring clamp assemblies, the outer tubular body portion of cable gland and inner tubular body can be disconnected from each other when not hindering two lockings between conical surface and sheathed wire, and when armouring clamping cone, throw off by the extension and inner body making armouring clamping cone and check inner seal as required.
It should be noted that, the holding ring 8 of the cooperation of armouring clamp assemblies keeps releasably mooring relative to the external body of gland equally, external body can be moved away from armouring clamper, thus make it possible to check this external body for corrosion or for any other object.Utilization local is contained in the flexible O type ring 17 in the groove in the outer surface of holding ring, equally the holding ring 8 of cooperation is kept mooring.
As mentioned above, the present invention is embodied as the cable gland with floodseal part, this floodseal part enters between the inside body of cable gland and external body for preventing moisture, and for the object of integrality of the present disclosure, will be further described it below.
Outer threaded portions 5 on inner tubular body has shorter length, and is limited in the inner end region of inner tubular body.The smooth exterior cylindrical surface 20 that diameter is slightly less than the minimum diameter in thread head region extends to the axially outside nut forming portion 21 being positioned at outer tubular body portion from described thread head region.
The inner surface of outer tubular body portion has the O type annular seal 22 of annular, and this O type annular seal 22 is contained in peripheral groove 23, and described peripheral groove 23 is close to the end of the reception inner tubular body of outer tubular body portion.This O type annular seal engages the outside cylindrical surface of inner tubular body, to seal completely, thus the chamber preventing from any moisture from entering into from outside being equipped with armouring clamp assemblies enter into sheathed wire thus.
In order to contribute to assembling cable gland, the end of the reception inner tubular body of external tubular body has introduces tapering 24, this introducing tapering 24 is configured such that the O type ring on the outside tubular surface in the next-door neighbour's thread head region being arranged on inner tubular body closely will automatically be extruded and roll in outer tubular member, and causes thus being snapped in the O type ring active position in peripheral groove.
In order to contribute to this, inner tubular body is provided with shallow trench 25, and shallow trench 25 is close to outer threaded portions 5, is seated in this groove himself local to make O type ring.The width of this groove is less than the width of the diameter of section of O type ring usually, and is preferably about the half of the width of the diameter of section of O type ring.In order to the convenience manufactured, the internal thread in external tubular body may extend across this peripheral groove.
Be understandable that, in this execution mode of the present invention, this cable gland has the structure of Shuangzi assembly type, and clamps cone relative to inner tubular body maintenance mooring, and holding ring keeps mooring in external tubular body.
Same it is to be appreciated that when not deviating from scope of the present invention, multiple modification can be made to above-mentioned execution mode of the present invention.Especially, the characteristic of gland can extensively change, and armouring to be clamped cone relative to the object that the inside body maintainer of cable gland is stayed can be only provide a kind of structure of Shuangzi assembly type for the object of installing.In this case, can check that the feature of inner seal becomes uncorrelated.
Claims (5)
1. one kind comprises the cable gland of body, described cable gland comprises the inside body of tubulose and the external body of tubulose and armouring clamp assemblies, wherein, described armouring clamp assemblies has the armouring holding ring cooperated that the armouring be associated with described inner body clamps cone and is associated with described external body, described armouring clamping cone keeps releasably mooring relative to described inner body, at least to allow described cable gland to comprise two sub-components for the object of initial installation, the feature of described cable gland is, described armouring clamping cone keeps releasably mooring by means of elastic ring relative to described inner body, described elastic ring clamps the extension of cone around described armouring and cooperates with described extension and described inner body, described armouring clamping cone is stayed relative to described inner body maintainer but can unclamp with described inner body, wherein, described elastic ring is the form of O type ring, described O type ring local is contained in the groove in the outer surface of the extension of described armouring clamping cone.
2. cable gland as claimed in claim 1, wherein, the inside body of described cable gland has the antelabium inwardly pointed at its arrival end place, be releasably retained in described inner body for by described elastic ring.
3. cable gland as claimed in claim 2, wherein, described cable gland has the structure of Shuangzi assembly type, described armouring clamping cone is stayed relative to described inner body maintainer, and described armouring holding ring keeps at least interim mooring relative to described external body, and described external body and described inner body can axial motions due to the screw thread of the cooperation on described external body and described inner body.
4. the cable gland as described in any one in claim 1-3, wherein, described cable gland comprises the internal compression seal on the internal jacket for being sealed in cable and the external compression seal on the external jacket being sealed in cable.
5. cable gland as claimed in claim 4, wherein, described internal compression seal is contained in the bore hole of described inner body, and is arranged to the free end axial compression of the extension being clamped cone by described armouring.
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 CN102315617A (en) | 2012-01-11 |
| CN102315617B true 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) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN110197023B (en) * | 2019-05-22 | 2023-04-18 | 国网新疆电力有限公司电力科学研究院 | Optimization method of tube bus sliding fitting and MGG1-200 tube bus sliding fitting |
| CN110401044A (en) * | 2019-06-25 | 2019-11-01 | 深圳供电局有限公司 | Cable connection device |
| WO2024083385A1 (en) * | 2022-10-17 | 2024-04-25 | Cmp Products Limited | Cable gland |
Citations (4)
| 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 |
Family Cites Families (4)
| 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 |
| WO2001093395A1 (en) * | 2000-05-31 | 2001-12-06 | Electro-Win Limited | Electrical cable gland permitting of internal inspection |
-
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 (4)
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2480375A (en) | 2011-11-16 |
| AU2011202197B2 (en) | 2015-02-05 |
| KR20110125617A (en) | 2011-11-21 |
| AU2011202197A1 (en) | 2011-12-01 |
| KR101651976B1 (en) | 2016-08-29 |
| GB2480375B (en) | 2014-05-07 |
| HK1166187A1 (en) | 2012-10-19 |
| GB201107761D0 (en) | 2011-06-22 |
| SG176373A1 (en) | 2011-12-29 |
| CN102315617A (en) | 2012-01-11 |
| ZA201103348B (en) | 2011-12-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| 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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