CN104659729A - Cable waterproof structure and communication product - Google Patents
Cable waterproof structure and communication product Download PDFInfo
- Publication number
- CN104659729A CN104659729A CN201310586661.2A CN201310586661A CN104659729A CN 104659729 A CN104659729 A CN 104659729A CN 201310586661 A CN201310586661 A CN 201310586661A CN 104659729 A CN104659729 A CN 104659729A
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- China
- Prior art keywords
- cable
- waterproof
- joint
- inner core
- clamp jaw
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- 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
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- Cable Accessories (AREA)
Abstract
The invention discloses a cable waterproof structure. The cable waterproof structure comprises a joint, a locking clamp, a locking cap and a waterproof inner core. The locking clamp comprises a positioning part, a connecting part, a plurality of clamping claws and a stop ring, wherein the positioning part is used for positioning the locking clamp at the joint, the connecting part extends from the positioning part to the direction which is far away from the joint, the plurality of clamping claws extend from the connecting part to the direction which is far away from the positioning part, the stop ring is connected with the inner wall of the connecting part and is close to the positioning part, and a groove is formed in the end, close to the inner wall of the connecting part, of the stop ring. The waterproof inner core comprises a main body, an insertion part and a positioning table, the waterproof inner core is mounted on the inner surface of the locking clamp, the insertion part is matched with the groove, and the positioning table is clung to the stop ring. The locking cap is locked at the joint, so that the plurality of clamping claws can tightly hold the waterproof inner core on the outer surface of a cable. The invention further discloses a communication product. According to the cable waterproof structure and the communication product provided by the invention, the waterproof reliability can be improved by a waterproof sealing path between the waterproof inner core and the locking clamp.
Description
Technical field
The present invention relates to the waterproof construction of communication products, particularly relate to a kind of cable waterproof construction of communication products.
Background technology
In communication, electric power and building trade communication chamber during outdoor environment cabling demand, a kind of water joint of normal needs, to meet internal unit waterproof requirement.Especially at communications industry groups of people well site scape, High Value Unit is demand fulfillment high-weatherability when severe outdoor environment, antitorque, and classification of waterproof reaches the water joint of IPX8.Therefore, the water joint how designing a kind of high reliability is the problem of industry research.
Summary of the invention
Technical problem to be solved by this invention is the cable waterproof construction providing a kind of high reliability.
To achieve these goals, embodiment of the present invention provides following technical scheme:
On the one hand, the invention provides a kind of cable waterproof construction, described cable waterproof construction comprises joint, locking clamp, locking cap and waterproof inner core, and described joint, described locking clamp, described waterproof inner core and the hollow form of described locking cap all in both ends open, pass for cable, described locking clamp comprises location division, connecting portion, multiple clamp jaw, stop ring and groove, described location division is inserted described joint and is connected to the inner surface of described joint, so that described locking clamp is positioned described joint, described connecting portion extends from described location division towards the direction away from described joint, described multiple clamp jaw extends towards the direction away from described location division from described connecting portion, and be provided with gap between adjacent two clamp jaws, described multiple clamp jaw has elastic deformability, described stop ring is connected to the inwall of described connecting portion and extends inside described connecting portion, described stop ring offers described groove in the one end near described connecting portion inwall, described waterproof inner core comprises main body, insertion section and positioning table, described insertion section and described positioning table are located at one end of described main body, described insertion section is based in the periphery of described positioning table and surrounds described positioning table, described waterproof inner core is installed on the inner surface of described connecting portion and described multiple clamp jaw, described insertion section is inserted in described groove, and with described groove fit, described positioning table is close to described stop ring, described locking cap is sheathed on the periphery of described multiple clamp jaw, and described locking cap lock onto described joint and makes described multiple clamp jaw hold described waterproof inner core tightly outer surface at described cable.
In the execution mode that the first is possible, the bearing of trend in each described gap all with the radial direction shape of described locking clamp in an angle, and described multiple clamp jaw is arranged in circumferentially same with mutually laminating.
In conjunction with the mode that the first may be implemented, in the mode that the second may be implemented, at described locking clamp in the radial direction, the projection section of adjacent described multiple clamp jaw on the inner surface of described locking clamp is overlapping.
In conjunction with the mode that the first may be implemented, in the mode that the third may be implemented, each described clamp jaw includes spacer, described spacer extends internally along the radial direction of described locking clamp from the inner surface of described clamp jaw, described multiple spacer and described groove and the common spacing described waterproof inner core of described stop ring.
In conjunction with the mode that the first may be implemented, in the 4th kind of mode that may implement, the tight lock part that described locking cap comprises stiff end, leading-out terminal and is connected between described stiff end and described leading-out terminal, the inwall of described tight lock part expands extension from described leading-out terminal gradually to described stiff end, it is peripheral that described locking cap is sheathed on described multiple clamp jaw, and be connected with described joint by described stiff end, and described tight lock part holds described multiple clamp jaw tightly, make described multiple clamp jaw that described waterproof inner core is clamped in the outer surface of described cable.
In conjunction with the 4th kind of mode that may implement, in the 5th kind of mode that may implement, the structure that described stiff end is threaded connection with described joint is fixedly connected with, and to be rotated change the number of turns that is threaded by described locking cap relative to described joint, thus changes described multiple clamp jaw and hold degree tightly.
In conjunction with the 4th kind of mode that may implement, in the 6th kind of mode that may implement, the inner surface of described leading-out terminal is also provided with block surface and pastes line face, described block surface is between the inner surface and described subsides line face of described tight lock part, the end face of described multiple clamp jaw and described waterproof inner core faced by described block surface, to block described multiple clamp jaw and described waterproof inner core, described subsides line face is used for fitting with the outer surface of described cable.
In the 7th kind of mode that may implement, described cable waterproof construction also comprises the first sealing ring, the outer surface of the location division of described locking clamp is provided with upper limit platform, the inner surface of described joint is provided with lower limit platform, and described first sealing ring is sheathed on periphery, described location division and is positioned between described upper limit platform and described lower limit platform.
In conjunction with the 7th kind of mode that may implement, in the 8th kind of mode that may implement, described cable waterproof construction also comprises the second sealing ring, the inner surface of described joint is provided with stopper slot, described second sealing ring to be positioned in described stopper slot and to stretch out described stopper slot, described location division compresses described second sealing ring, to realize waterproof.
On the other hand, the present invention also provides a kind of communication products, and described communication products comprise casing and cable, and described cable is through described casing, and described communication products also comprise the cable waterproof construction in any one possibility execution mode above-mentioned.
Cable waterproof construction provided by the invention and communication products, insert in described groove by the insertion section of waterproof inner core and described positioning table is close to the structure of described stop ring, the waterproof sealing path of the reverse labyrinth structure namely between described waterproof inner core and locking clamp, can improve the reliability of waterproof.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, be briefly described to the accompanying drawing used required in execution mode below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained as these accompanying drawings.
Fig. 1 is the three-dimensional exploded view of the cable waterproof construction that one embodiment of the present invention provides.
Fig. 2 is the profile of the cable waterproof construction that one embodiment of the present invention provides.
Fig. 3 is the profile of the locking clamp of the cable waterproof construction that one embodiment of the present invention provides.
Fig. 4 is the sectional view of the radial direction of the locking clamp of the cable waterproof construction that one embodiment of the present invention provides.
Fig. 5 is the stereogram of the joint of the cable waterproof construction that one embodiment of the present invention provides.
Fig. 6 is the profile of the locking cap of the cable waterproof construction that one embodiment of the present invention provides.
Embodiment
Below in conjunction with the accompanying drawing in embodiment of the present invention, the technical scheme in embodiment of the present invention is clearly and completely described.
The present invention relates to a kind of cable waterproof construction 100 and there are the communication products of described cable waterproof construction 100.Cable waterproof construction 100 is for realizing the waterproof between cable and the casing of communication products.As shown in Figures 1 and 2, a kind of cable waterproof construction 100 provided by the invention comprises joint 10, locking clamp 20, locking cap 30 and waterproof inner core 40.Described joint 10, described locking clamp 20, described waterproof inner core 40 and the hollow form of described locking cap 30 all in both ends open, pass for described cable.In present embodiment, described joint 10, described locking clamp 20, described waterproof inner core 40 and described locking cap 30 are axially symmetric structure.
Refer to Fig. 1 to Fig. 4, described locking clamp 20 comprises location division 24, connecting portion 222, multiple clamp jaw 224, stop ring 26 and groove 21.Connecting portion 222 and multiple clamp jaw 224 form clamping part 22, and waterproof inner core 40 is installed on the inner surface of clamping part 22.Described location division 24 is inserted described joint 10 and is connected to the inner surface of described joint 10, so that described locking clamp 20 is positioned described joint 10, described connecting portion 222 extends from described location division 24 towards the direction away from described joint 10, described multiple clamp jaw 224 extends towards the direction away from described location division 24 from described connecting portion 222, and be provided with clearance G between adjacent two clamp jaws 224, described multiple clamp jaw 224 is made to have elastic deformability, described stop ring 26 be connected to described connecting portion 222 inwall and near described location division 24, described groove 21 is located between described stop ring 26 and described connecting portion 222.In present embodiment, described multiple clamp jaw 224 is arranged in circumferentially same, and described multiple clamp jaw 224 has elastic deformability in radial directions.
Described waterproof inner core 40 comprises main body 42, insertion section 44 and positioning table 46, described insertion section 44 and described positioning table 46 are located at one end of described main body 42, described insertion section 44 is based in the periphery of described positioning table 46 and surrounds described positioning table 46, described waterproof inner core 40 is installed on the inner surface of described connecting portion 222 and described multiple clamp jaw 224, described insertion section 44 is inserted in described groove 21, and coordinate with groove 21, insertion section 44 is closely tied in strengthen waterproof effect in described groove 21, and described positioning table 46 is close to described stop ring 26.
Described locking cap 30 is sheathed on the periphery of described multiple clamp jaw 224, and described locking cap 30 lock onto described joint 10 and makes described multiple clamp jaw 224 hold described waterproof inner core 40 tightly outer surface at described cable.
Described cable waterproof construction 100 is by the syndeton between waterproof inner core 40 and locking clamp 20, matching relationship namely between the insertion section 44 of described waterproof inner core 40 and the groove 21 of positioning table 46 and locking clamp 20 and stop ring 26, namely described groove 21 is inserted in described insertion section 44, described positioning table 46 is close to described stop ring 26, define the anti-water route of anti-labyrinth structure, described cable waterproof construction 100 is made to have reliable water resistance
Specifically, described waterproof inner core 40 material is rubber, and the main body 42 of described waterproof inner core 40 is in cylindrical sleeve tubular, and the elasticity had by the material of waterproof inner core 40 own makes waterproof inner core 40 tightly be coated on the outer surface of cable, by this, formed between waterproof inner core 40 and cable and seal.Described locking cap 30 makes described locking clamp 20 clamp described waterproof inner core 40 with coordinating of described joint 10, formed between described locking clamp 20 and described waterproof inner core 40 and seal, and, the insertion section 44 of waterproof inner core 40 with the groove 21 of locking clamp 20 and coordinating of stop ring 26 make the sealed pathway between locking clamp 20 and waterproof inner core 40 be labyrinth structure, the effect of enhanced leaktightness waterproof.
Refer to Fig. 1, Fig. 2 and Fig. 4, the bearing of trend of each described clearance G all forms an included angle A with the radial direction of described clamping part 22, and described multiple clamp jaw 224 is arranged in circumferentially same with mutually laminating.Between clamp jaw 224 clearance G be arranged so that clamp jaw 224 has the ability of strain, by the enclasping force of locking cap 30, make all clamp jaws 224 tightly be attached to waterproof inner core 40 outer surface.The structure mutually laminated between clamp jaw 224 namely makes two adjacent clamp jaws 224 overlap in radial directions by the structural design of included angle A between clearance G and the radial direction of clamping part 22, thus the density of clamp jaw 224 can be improved, improve coupling mechanism force, namely improve waterproof effect.
In present embodiment, ringwise, at described locking clamp 20 in the radial direction, the projection section of adjacent described multiple clamp jaws 224 on the inner surface of described locking clamp 20 is overlapping for described clamping part 22 entirety.Described locking clamp 20 has the beneficial effect of compact conformation, makes cable waterproof construction 100 overall dimensions of the present invention little, and can improve water resistance.
As improvement of the present invention, each described clamp jaw 224 includes spacer 2242, described spacer 2242 extends internally along the radial direction of locking clamp 20 from the inner surface of described clamp jaw 224, described multiple spacer 2242 and described groove 21 and the common spacing described waterproof inner core 40 of described stop ring 26.In present embodiment, the free end of clamp jaw 224 away from described connecting portion 222 be located at by spacer 2242, in the process of assembling waterproof inner core 40, and spacing by spacer 2242 and groove 21 and stop ring 26, waterproof inner core 40 is assembled put in place, the reliability of waterproof can be ensured.
Refer to Fig. 5, as improvement of the present invention, described locking cap 30 comprises stiff end 32, leading-out terminal 34 and the tight lock part 36 be connected between described stiff end 32 and described leading-out terminal 34, the inwall of described tight lock part 36 expands extension from described leading-out terminal 34 gradually to described stiff end 32, it is peripheral that described locking cap 30 is sheathed on described multiple clamp jaw 224, and be connected with described joint 10 by described stiff end 32, and the coordinating of described tight lock part 36 and described multiple clamp jaw 224, described multiple clamp jaw 224 is made to hold described waterproof inner core 40 tightly outer surface at described cable.Specifically, described tight lock part 36 structure axisymmetricly, can see from the profile of described locking cap 30, the inwall relative centre axle of described tight lock part 36 tilts, the structure that described tight lock part 36 tilts to expand gradually extension makes in the process coordinated with clamp jaw 224 at locking cap 30, described tight lock part 36 can embrace clamp jaw 224 described in packing gradually, makes described clamp jaw 224 bringing together.
In present embodiment, the structure that described stiff end 32 and described joint 10 are threaded connection is mutually permanently connected, and rotates the number of turns that change is threaded by described locking cap 30 relative to described joint 10, thus changes described multiple clamp jaw 224 and hold degree tightly.Screw connection structure is easy to operation, even make multiple clamp jaw 224 bringing together by the mode of rotational lock cap 30.And by changing the number of turns be threaded, described multiple clamp jaw 224 can be changed and hold degree tightly, thus making cable waterproof construction of the present invention can be applicable to the cable of different size.
As improvement of the present invention, the inner surface of described leading-out terminal 34 comprises block surface 342 and pastes line face 344, described block surface 342 is between the inner surface and described subsides line face 344 of described tight lock part 36, the end face of described multiple clamp jaw 224 and waterproof inner core 40 faced by described block surface 342, to block described multiple clamp jaw 224 and described waterproof inner core 40, described subsides line face 344 is for fitting with the outer surface of described cable.The structure of leading-out terminal 34 can strengthen the protection to waterproof inner core 40 and clamp jaw 224, improves the life-span of cable waterproof construction 100.
As improvement of the present invention, cable waterproof construction 100 of the present invention also comprises plug 50, when described cable waterproof construction 100 is in idle state, it is inner that described plug 50 inserts described cable waterproof construction 100 from described leading-out terminal 34, fills the inner space of described waterproof inner core 40.Plug 50 can play waterproof action under the state that described cable waterproof construction 100 is idle, namely for cable waterproof construction 100 not wiring cable time waterproof.
Refer to Fig. 3 and Fig. 6, as improvement of the present invention, described cable waterproof construction 100 also comprises the first sealing ring 60, the outer surface of the location division 24 of described locking clamp 20 is provided with upper limit platform 242, the inner surface of described joint 10 is provided with lower limit platform 142, and described first sealing ring 60 is sheathed on periphery, described location division 24 and is positioned between described upper limit platform 242 and described lower limit platform 142.The setting of the first sealing ring 60 achieves the water-tight between joint 10 and locking clamp 20.
Further, described cable waterproof construction 100 also comprises the second sealing ring 70, and the inner surface of described joint 10 is provided with stopper slot 147, and described second sealing ring 70 to be positioned in described stopper slot 147 and to stretch out described stopper slot 147.On described location division 24, limiting stand 242 is located at one end near described clamping part 22 of described location division 24, and one end away from described clamping part 22 of described location division 24 is free end, and described free end matches with described second sealing ring 70 and realizes waterproof.By arranging the second sealing ring 70 and the first sealing ring 60 between joint 10 and locking clamp 20, achieved the waterproof of high reliability by two-stage sealing.In present embodiment, the second sealing ring 70 and the first sealing ring 60 use silicon rubber, and hardness is advisable between 60-75 degree.
As improvement of the present invention, cable waterproof construction 100 also comprises nut 90 and the 3rd sealing ring 80, described nut 90 is for being fixed on the casing of described communication products by described cable waterproof construction 100, described 3rd sealing ring 80 is located between described joint 10 and described casing, therefore the 3rd sealing ring 80 be arranged so that form hermetically-sealed construction between cable waterproof construction 100 and communication products casing.
In sum, cable waterproof construction 100 of the present invention forms the anti-water surface of the first order by arranging of waterproof inner core 40, form the anti-water surface in the second level by described first sealing ring 60 and arranging of the second sealing ring 70, define the anti-water surface of the third level by the setting of the 3rd sealing ring 80.
Cable waterproof construction 100 of the present invention by multilayer flashing interface, the anti-water route in anti-labyrinth and the mutual laminated structure of multiple clamp jaw, thus realizes multiple waterproof effect, can be used in the reliability service under water of high value communication products.
Refer to Fig. 6, as improvement of the present invention, the periphery of the location division 24 of described locking clamp 20 projects multiple positioning rib 244, the inner surface of described joint 10 is provided with multiple slot 144, and described multiple positioning rib 244 matches the location of the radial direction realized between described location division 24 and described joint 10 with described multiple slot 144 respectively.With slot 144, positioning rib 244 is arranged so that locking clamp 20 is easy to be positioned joint 10, in an assembling process, directly positioning rib 244 is aimed at corresponding slot 144, locking clamp 20 is mounted to joint 10, obtain the location of the radial direction of stable locking clamp 20.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a cable waterproof construction, it is characterized in that, described cable waterproof construction comprises joint, locking clamp, locking cap and waterproof inner core, and described joint, described locking clamp, described waterproof inner core and the hollow form of described locking cap all in both ends open, pass for cable;
Described locking clamp comprises location division, connecting portion, multiple clamp jaw, stop ring and groove, described location division is inserted described joint and is connected to the inner surface of described joint, so that described locking clamp is positioned described joint, described connecting portion extends from described location division towards the direction away from described joint, described multiple clamp jaw extends towards the direction away from described location division from described connecting portion, and be provided with gap between adjacent two clamp jaws, described multiple clamp jaw is made to have elastic deformability, described stop ring is connected to the inwall of described connecting portion and extends inside described connecting portion, described stop ring offers described groove in the one end near described connecting portion inwall,
Described waterproof inner core comprises main body, insertion section and positioning table, described insertion section and described positioning table are located at one end of described main body, described insertion section is based in the periphery of described positioning table and surrounds described positioning table, described waterproof inner core is installed on the inner surface of described connecting portion and described multiple clamp jaw, described insertion section is inserted in described groove, and with described groove fit, described positioning table is close to described stop ring;
Described locking cap is sheathed on the periphery of described multiple clamp jaw, and described locking cap lock onto described joint and makes described multiple clamp jaw hold described waterproof inner core tightly outer surface at described cable.
2. cable waterproof construction as claimed in claim 1, is characterized in that, the bearing of trend in each described gap all with the radial direction shape of described locking clamp in an angle, and described multiple clamp jaw is arranged in circumferentially same with mutually laminating.
3. cable waterproof construction as claimed in claim 2, is characterized in that, at described locking clamp in the radial direction, the projection section of adjacent described multiple clamp jaw on the inner surface of described locking clamp is overlapping.
4. cable waterproof construction as claimed in claim 2, it is characterized in that, each described clamp jaw includes spacer, described spacer extends internally along the radial direction of described locking clamp from the inner surface of described clamp jaw, described multiple spacer and described groove and the common spacing described waterproof inner core of described stop ring.
5. cable waterproof construction as claimed in claim 2, it is characterized in that, the tight lock part that described locking cap comprises stiff end, leading-out terminal and is connected between described stiff end and described leading-out terminal, the inwall of described tight lock part expands extension from described leading-out terminal gradually to described stiff end, be connected with described joint by described stiff end, described tight lock part compresses described multiple clamp jaw, makes described multiple clamp jaw hold described waterproof inner core tightly outer surface at described cable.
6. cable waterproof construction as claimed in claim 5, it is characterized in that, the structure that described stiff end is threaded connection with described joint is fixedly connected with, and to be rotated change the number of turns that is threaded by described locking cap relative to described joint, thus changes described multiple clamp jaw and hold degree tightly.
7. cable waterproof construction as claimed in claim 5, it is characterized in that, the inner surface of described leading-out terminal is also provided with block surface and pastes line face, described block surface is between the inner surface and described subsides line face of described tight lock part, the end face of described multiple clamp jaw and described waterproof inner core faced by described block surface, to block described multiple clamp jaw and described waterproof inner core, described subsides line face is used for fitting with the outer surface of described cable.
8. cable waterproof construction as claimed in claim 1, it is characterized in that, described cable waterproof construction also comprises the first sealing ring, the outer surface of the location division of described locking clamp is provided with upper limit platform, the inner surface of described joint is provided with lower limit platform, and described first sealing ring is sheathed on periphery, described location division and is positioned between described upper limit platform and described lower limit platform.
9. cable waterproof construction as claimed in claim 8, it is characterized in that, described cable waterproof construction also comprises the second sealing ring, the inner surface of described joint is provided with stopper slot, described second sealing ring to be positioned in described stopper slot and to stretch out described stopper slot, described location division compresses described second sealing ring, to realize waterproof.
10. communication products, comprise casing and cable, and described cable is through described casing, and it is characterized in that, described communication products comprise the cable waterproof construction as described in claim 1 to 9 any one claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310586661.2A CN104659729B (en) | 2013-11-20 | 2013-11-20 | Cable waterproof construction and communication products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310586661.2A CN104659729B (en) | 2013-11-20 | 2013-11-20 | Cable waterproof construction and communication products |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104659729A true CN104659729A (en) | 2015-05-27 |
| CN104659729B CN104659729B (en) | 2017-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310586661.2A Active CN104659729B (en) | 2013-11-20 | 2013-11-20 | Cable waterproof construction and communication products |
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| Country | Link |
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| CN (1) | CN104659729B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106025994A (en) * | 2016-08-03 | 2016-10-12 | 倍仕得电气科技（杭州）股份有限公司 | Cable fixing head |
| CN109038061A (en) * | 2018-06-27 | 2018-12-18 | 友邦电气（平湖）股份有限公司 | The tail end waterproof construction of AC charging rifle |
| WO2019080108A1 (en) * | 2017-10-27 | 2019-05-02 | 华为技术有限公司 | Sealing cable connecting device and communication terminal box |
| CN111244877A (en) * | 2020-03-13 | 2020-06-05 | 长沙金信诺防务技术有限公司 | Watertight cable joint |
| EP3866288A1 (en) * | 2020-02-16 | 2021-08-18 | Corning Research & Development Corporation | Cable entry sealing systems for telecommunication enclosures |
| CN114731034A (en) * | 2019-11-06 | 2022-07-08 | 伊顿智能动力有限公司 | Bushing and cable gland comprising a bushing |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106025994A (en) * | 2016-08-03 | 2016-10-12 | 倍仕得电气科技（杭州）股份有限公司 | Cable fixing head |
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| CN114731034A (en) * | 2019-11-06 | 2022-07-08 | 伊顿智能动力有限公司 | Bushing and cable gland comprising a bushing |
| EP3866288A1 (en) * | 2020-02-16 | 2021-08-18 | Corning Research & Development Corporation | Cable entry sealing systems for telecommunication enclosures |
| US11460655B2 (en) | 2020-02-16 | 2022-10-04 | Corning Research & Development Corporation | Cable entry sealing systems for telecommunication enclosures |
| CN111244877A (en) * | 2020-03-13 | 2020-06-05 | 长沙金信诺防务技术有限公司 | Watertight cable joint |
| CN111244877B (en) * | 2020-03-13 | 2020-12-01 | 长沙金信诺防务技术有限公司 | Watertight cable joint |
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| Publication number | Publication date |
|---|---|
| CN104659729B (en) | 2017-08-11 |
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