CN111999832A - Optical cable sealing plug and joint box - Google Patents
Optical cable sealing plug and joint box Download PDFInfo
- Publication number
- CN111999832A CN111999832A CN202010885675.4A CN202010885675A CN111999832A CN 111999832 A CN111999832 A CN 111999832A CN 202010885675 A CN202010885675 A CN 202010885675A CN 111999832 A CN111999832 A CN 111999832A
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- CN
- China
- Prior art keywords
- sealing
- cable
- elastic
- section
- joint box
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- 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.)
- Pending
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/444—Systems or boxes with surplus lengths
- G02B6/4441—Boxes
- G02B6/4446—Cable boxes, e.g. splicing boxes with two or more multi fibre cables
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/44384—Means specially adapted for strengthening or protecting the cables the means comprising water blocking or hydrophobic materials
Abstract
The invention discloses an optical cable sealing plug and a joint box, which comprise a screwing nut with threads at an installation end, a sealing main body with matched internal threads at a connection end and an elastic sealing ring capable of being installed in the sealing main body, wherein cable installation holes are formed in the middle parts of the screwing nut, the sealing main body and the elastic sealing ring, and ring platforms for jacking the elastic sealing ring are respectively arranged on the corresponding surfaces of the screwing nut and the sealing main body. According to the invention, the cable sealing between the screwed nut and the sealing main body is realized through the deformation of the elastic sealing ring.
Description
Technical Field
The invention belongs to the technical field of optical fiber sensing, and particularly relates to an optical cable sealing plug and a joint box.
Background
And optical fiber sensing, including sensing and transmission of external signals. The sensing means that the external signal changes physical characteristic parameters of the light wave transmitted in the optical fiber according to the change rule, such as intensity, wavelength, frequency, phase and polarization state, and the change of the measured light parameter is the change of the external signal. The transmission means that the optical fiber transmits the light wave modulated by the external signal to the optical detector for detection. The external signal is extracted from the light wave and subjected to data processing, i.e., demodulation, as needed.
When the inside of the sealing device is measured by using the optical fiber sensing technology, the optical fiber needs to be led out of the sealing device firstly, and the optical wave modulated by the external signal can be transmitted out through the optical fiber. How to ensure the sealing performance of the sealing device while leading out the optical fiber is an urgent problem to be solved in the industry.
Disclosure of Invention
In order to solve the technical problems, the invention provides an optical cable sealing plug, which realizes the sealing of a cable through the deformation of an elastic sealing ring. It is another object of the present invention to provide a closure.
The invention adopts the following technical scheme:
the utility model provides an optical cable sealing plug, includes that the installation end is equipped with screwed nut, the link is equipped with the internal screw thread sealing body of looks adaptation and the mountable and goes into the elastic seal circle in the sealing body, screw up nut, sealing body and elastic seal circle middle part and be equipped with the cable mounting hole, screw up nut, sealing body and go up the ring platform that the corresponding face was equipped with roof pressure elastic seal circle respectively.
Preferably, the mounting end of the tightening nut is provided with an opening which is axially communicated, and two sides of the opening can be closed by being stressed.
Preferably, the wire outlet end of the tightening nut is of an open ring structure, the open ring structure is provided with a containing groove for containing the cable, and the containing groove is provided with a plurality of threading holes for fastening the cable.
Preferably, the sealing section is arranged in the sealing main body in an extending mode, the sealing section is provided with an elastic check ring installation part, and the elastic check ring which is in interference fit with the through hole of the joint box can be installed on the elastic check ring installation part.
Preferably, one end of the sealing main body, which is installed into the splice closure, is provided with a cable fixing section, and the cable fixing section is an inwardly extending open groove.
Preferably, the sealing main body is provided with a plurality of elastic clamping blocks at the same axial position, and the elastic clamping blocks can be stressed to contract and pressed into the sealing main body.
Preferably, the elastic clamping block is in an inverted triangle shape extending out of the sealing main body, and a spring is arranged in the sealing main body to extrude the elastic clamping block.
The utility model provides a joint box, including the joint box main part, joint box main part side is equipped with a plurality of through-hole, it sets up foretell optical cable sealing plug to correspond on the through-hole, sealed main part includes interior screw thread section in proper order, the seal section, the elasticity joint section, the corresponding and cooperation of the pipe diameter section of thick bamboo of reserving in interior screw thread section pipe diameter and the joint box main part is sealed, the seal section pipe diameter is less than interior screw thread section and forms the circlip installation department, be equipped with on this circlip installation department with joint box through-hole interference fit's circlip, be equipped with a plurality of elasticity fixture block in the elasticity joint section, elasticity fixture block mounted position.
Preferably, the sealing body is provided with a cable fixing section at the tail end, and the cable fixing section is an inward extending opening groove.
Preferably, the elastic check ring mounting part is a plurality of layers of bulges, a mounting groove is formed between the bulges, and the elastic check ring is mounted on the mounting groove.
Compared with the prior art, the invention has the following advantages:
1. the deformation through the elastic sealing ring realizes the sealing of the cable, and the sealing device has a simple structure and is convenient to use.
2. The optical cable sealing plug is hermetically arranged on the joint box through the elastic clamping block, so that the optical cable sealing plug is convenient to disassemble and assemble, and the joint box and parts thereof cannot be damaged.
3. The sealing of the optical cable sealing and mounting structure is realized through the elastic retainer ring, and meanwhile, the optical cable sealing plug is subjected to second resealing.
4. The threaded cable is fixed by a nylon cable tie or a thin rope at the position of the opening groove, so that the tensile property is enhanced, and the cable is prevented from being pulled out or loosening under the influence of external force.
5. The outlet end of the tightening nut is of an open structure, so that the bending radius of the cable can be increased, and the cable is prevented from being broken due to too small bending radius during installation.
Drawings
Fig. 1 is a schematic structural view of a cable sealing and mounting structure.
Fig. 2 is a schematic diagram of an exploded structure of the closure.
In the figure, a nut 1, a wire outlet end 101, a threading hole 102, a sealing main body 2, an elastic sealing ring 3, a mounting hole 4, an elastic clamping block 5, an elastic retainer ring mounting part 6, a cable fixing section 7 and an elastic retainer ring 8 are screwed.
Detailed Description
In order to facilitate understanding of the technical solutions of the present invention, the following detailed description is made with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-2, an optical cable sealing plug includes a screw nut 1 with a thread at a mounting end, a sealing main body 2 with an adapted internal thread at a connecting end, and an elastic sealing ring 3 capable of being installed in the sealing main body 2, wherein cable installation holes 4 are formed in the middle of the screw nut 1, the sealing main body 2, and the elastic sealing ring 3, and ring platforms for pressing the elastic sealing ring 3 are respectively arranged on the corresponding surfaces of the screw nut 1 and the sealing main body 2. When the optical cable sealing device is used, firstly, an optical cable or an optical fiber penetrates through the tightening nut 1, the sealing main body 2 and the cable mounting hole 4 in the elastic sealing ring 3, then the elastic sealing ring 3 is placed in the sealing main body, the tightening nut 1 is screwed into the sealing main body 2, the elastic sealing ring 3 deforms through pressure, and one end, connected with the sealing main body 2, of the tightening nut 1 is sealed. The ring platform is a top inclined structure of a part with a small diameter at the front end of the tightening nut 1 and an internal thread section of the sealing main body 2, and the front end of the tightening nut 1 presses the elastic sealing ring 3 in the top inclined structure of the internal thread section of the sealing main body 2 to form a good sealing effect.
Specifically, the mounting end of the tightening nut 1 is provided with an axially through opening, two sides of the opening can be stressed to be folded, and the mounting end of the tightening nut 1 is in interference fit threaded connection with the connecting end of the sealing main body 2, so that when the tightening nut 1 is mounted in the sealing main body 2, the opening can be stressed to be folded, the tightening nut is tightly attached to the outside of an optical cable, and the sealing effect is achieved.
Preferably, the end of the sealing body 2 that fits into the closure is provided with a cable fixing section 7. Specifically, the cable fixed segment 7 is an open structure, is equipped with the opening recess of inside extension on the cable fixed segment 7, penetrates the back with the cable from cable mounting hole 4, fixes the cable that penetrates with nylon ribbon or thin rope in opening recess department, and reinforcing tensile strength prevents that the cable from being pulled out or producing not hard up phenomenon by the influence of external force.
Preferably, the outlet end 101 of the tightening nut 1 is open, so that the bending radius of the cable can be increased, and the cable is often required to be bent for use when the cable is installed, so that the cable may be broken when the bending radius is too small when the cable is installed, and the cable is more likely to be broken particularly when the optical fiber is bent. Therefore, the outlet end 101 is an open structure, which can increase the bending radius of the cable and prevent the cable from being broken due to too small bending radius, and in addition, since the tightening nut 1 is a rotatable structure, when the bending direction of the cable is not consistent with the direction of the open structure of the outlet end 101, the opening structure of the outlet end 101 can be consistent with the bending direction of the cable by rotating the tightening nut 1.
Meanwhile, the outlet end 101 is of an open ring structure, so that the optical cable can be conveniently led out and led in, and the opening structure of the outlet end 101 can be conveniently clamped by a dismantling tool to be withdrawn from the thread matching when the screwing nut 1 is dismantled.
The outlet end of the tightening nut 1 is of an open ring structure, the open ring structure is provided with a containing groove for containing cables, and the containing groove is provided with a plurality of threading holes 102 for fastening the cables. In this embodiment, be equipped with two through wires holes 102, can pass through wires holes 102 with nylon ribbon or string and fix the cable, can protect the cable simultaneously, have sealed effect.
The internal thread section of the sealing body 2 extends to form a sealing section, an elastic check ring installation part 6 is arranged on the sealing section, an elastic check ring 8 in interference fit with a joint box through hole can be installed on the elastic check ring installation part 6, and the elastic check ring 8 is tightly attached to the surface of the joint box through hole after installation to realize a sealing effect.
The same axial position of sealed main part 2 is equipped with a plurality of elasticity fixture block 5, elasticity fixture block 5 can be stressed and contract and impress in sealed main part 2, and elasticity fixture block 5 can recover after the atress is ended, and in this embodiment, there are two elasticity fixture blocks 5 altogether. The elastic clamping block 5 is in an inverted triangle shape extending out of the sealing main body 2, and a spring is arranged in the sealing main body 2 to extrude the elastic clamping block 5. Specifically, for interior elastic stretching structure who establishes the spring, elasticity fixture block 5 includes that a part sets up in the inside pressing piece of sealed main part 2 and sets up in the inside spring of sealed main part 2, and inside indentation sealed main part 2 when the pressing piece atress, when not atress, through the spring rebound.
The utility model provides a joint box, including the joint box main part, joint box main part side is equipped with a plurality of through-hole, it sets up foretell optical cable sealing plug to correspond on the through-hole, sealed main part 2 includes interior screw thread section in proper order, the seal section, the elasticity joint section, the corresponding and cooperation of the pipe diameter section of thick bamboo of reserving in interior screw thread section pipe diameter and the joint box main part is sealed, the seal section pipe diameter is less than interior screw thread section and forms the circlip installation department, be equipped with on this circlip installation department with joint box through-hole interference fit's circlip, be equipped with a plurality of fixture block 5 in the elasticity joint section, 5 mounted position of fixture block make 5 joints of fixture block on joint box main part inner.
The tail end of the sealing main body 2 is provided with a cable fixing section, and the cable fixing section 7 is an opening groove extending inwards. Specifically, the cable fixed segment 7 is an open structure, is equipped with the opening recess of inside extension on the cable fixed segment 7, penetrates the back with the cable from cable mounting hole 4, fixes the cable that penetrates with nylon ribbon or thin rope in opening recess department, and reinforcing tensile strength prevents that the cable from being pulled out or producing not hard up phenomenon by the influence of external force.
The elastic retainer ring mounting part 6 is provided with a plurality of layers of bulges, a mounting groove is formed between the bulges, and the elastic retainer ring is mounted on the mounting groove. Specifically, when installing into the joint box main part with sealed main part 2, elasticity fixture block 5 can receive the force earlier and contract, and elasticity fixture block 5 can reset after getting into the joint box main part, and simultaneously, circlip 8 just in time hugs closely in the through-hole surface of joint box main part, when realizing spacingly, plays sealed effect. The elastic retainer ring mounting part 6 is formed by mounting grooves among a plurality of layers of bulges. In this embodiment, the three protrusions of the elastic collar mounting portion 6 are three layers, and the three protrusions form two elastic collar mounting portions 6, so that the connector box can adapt to various types of connector boxes.
When the optical cable sealing installation structure is required to be detached from the joint box, the joint box is opened firstly, the elastic clamping block 5 is extruded by a tool and contracted, the limit between the elastic clamping block and the joint box main body is removed, then the optical cable sealing installation structure is pulled out, and the detachment is completed.
The above is only a preferred embodiment of the present invention, and the scope of the present invention is defined by the appended claims, and several modifications and amendments made by those skilled in the art without departing from the spirit and scope of the present invention should be construed as the scope of the present invention.
Claims (10)
1. The utility model provides an optical cable sealing plug, its characterized in that is equipped with screwed nut (1) including the installation end, the link is equipped with internal screw thread sealing body (2) of looks adaptation and mountable and goes into elastic sealing ring (3) in sealing body (2), it is equipped with cable mounting hole (4) to screw up nut (1), sealing body (2) and elastic sealing ring (3) middle part, and it is equipped with the loop platform of roof pressure elastic sealing ring (3) respectively to screw up nut (1), sealing body (2) the last corresponding surface.
2. An optical cable sealing plug as claimed in claim 1, wherein the mounting end of the tightening nut (1) is provided with an axially through opening, the sides of which are forced together.
3. An optical cable sealing plug as claimed in claim 2, wherein the outlet end of the tightening nut (1) is in an open ring structure, the open ring structure is provided with a receiving groove for receiving a cable, and the receiving groove is provided with a plurality of threading holes (102) for fastening the cable.
4. An optical cable sealing plug as claimed in claim 1, wherein the sealing body (2) is provided with a sealing section extending from the internal thread section, the sealing section is provided with a circlip mounting part (6), and the circlip mounting part (6) is provided with a circlip which is in interference fit with the through hole of the joint box.
5. An optical cable sealing plug as claimed in claim 1, wherein the end of the sealing body (2) fitted into the closure is provided with a cable retaining section (7), the cable retaining section (7) being an inwardly extending open recess.
6. An optical cable sealing plug as claimed in claim 1, wherein the sealing body (2) is provided with a plurality of elastic blocks (5) at the same axial position, and the elastic blocks (5) can be compressed into the sealing body (2) under force.
7. An optical cable sealing plug as claimed in claim 6, wherein the resilient latch (5) is of an inverted triangular shape extending out of the sealing body (2), and a spring is provided in the sealing body (2) to press the resilient latch (5).
8. A joint box comprises a joint box main body, wherein a plurality of through holes are formed in the side face of the joint box main body, the joint box is characterized in that the optical cable sealing plug in claim 1 is correspondingly arranged on the through hole, the sealing main body (2) sequentially comprises an internal thread section, a sealing section and an elastic clamping section, the pipe diameter of the internal thread section corresponds to a pipe diameter barrel reserved on the joint box main body and is matched and sealed, the pipe diameter of the sealing section is smaller than the internal thread section and forms an elastic check ring installation part (6), an elastic check ring (8) in interference fit with the joint box through hole is arranged on the check ring installation part, a plurality of elastic clamping blocks (5) are arranged on the elastic clamping section, and the elastic clamping blocks (5) are clamped on the inner wall of.
9. A closure according to claim 8, wherein the sealing body (2) terminates in a cable retaining section (7) which is an inwardly extending open recess.
10. A closure according to claim 8, wherein the circlip mounting portion (6) is a plurality of layers of projections defining mounting recesses therebetween, the circlip (8) being mounted in the mounting recesses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010885675.4A CN111999832A (en) | 2020-08-28 | 2020-08-28 | Optical cable sealing plug and joint box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010885675.4A CN111999832A (en) | 2020-08-28 | 2020-08-28 | Optical cable sealing plug and joint box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111999832A true CN111999832A (en) | 2020-11-27 |
Family
ID=73464599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010885675.4A Pending CN111999832A (en) | 2020-08-28 | 2020-08-28 | Optical cable sealing plug and joint box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111999832A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113671653A (en) * | 2021-10-25 | 2021-11-19 | 华海通信技术有限公司 | Sea cable joint box sealing device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205193315U (en) * | 2015-10-13 | 2016-04-27 | 西安应用光学研究所 | Thin footpath optical cable connector under water |
| EP3128353A1 (en) * | 2015-08-07 | 2017-02-08 | CCS Technology Inc. | Cable grommet and fiber optic distribution device |
| CN206002739U (en) * | 2016-08-31 | 2017-03-08 | 南通鸿威特种金属制造有限公司 | Ocean cable splice closure |
| CN207053137U (en) * | 2017-07-26 | 2018-02-27 | 中国航空工业集团公司西安飞机设计研究所 | Aircraft deckle board thread threading sealing device |
| CN207263963U (en) * | 2017-07-14 | 2018-04-20 | 杨军 | A kind of waterproof connector for telecommunication optical fiber protection |
| CN108983380A (en) * | 2018-04-19 | 2018-12-11 | 胡肖平 | A kind of substep sealing structure of cable splice closure |
| CN208283627U (en) * | 2018-07-05 | 2018-12-25 | 江苏通鼎宽带有限公司 | Cable splice closure seal assembly |
| US20190227236A1 (en) * | 2016-09-30 | 2019-07-25 | Huawei Technologies Co., Ltd. | Splice Closure and Method for Installing Optical Cable |
-
2020
- 2020-08-28 CN CN202010885675.4A patent/CN111999832A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3128353A1 (en) * | 2015-08-07 | 2017-02-08 | CCS Technology Inc. | Cable grommet and fiber optic distribution device |
| CN205193315U (en) * | 2015-10-13 | 2016-04-27 | 西安应用光学研究所 | Thin footpath optical cable connector under water |
| CN206002739U (en) * | 2016-08-31 | 2017-03-08 | 南通鸿威特种金属制造有限公司 | Ocean cable splice closure |
| US20190227236A1 (en) * | 2016-09-30 | 2019-07-25 | Huawei Technologies Co., Ltd. | Splice Closure and Method for Installing Optical Cable |
| CN207263963U (en) * | 2017-07-14 | 2018-04-20 | 杨军 | A kind of waterproof connector for telecommunication optical fiber protection |
| CN207053137U (en) * | 2017-07-26 | 2018-02-27 | 中国航空工业集团公司西安飞机设计研究所 | Aircraft deckle board thread threading sealing device |
| CN108983380A (en) * | 2018-04-19 | 2018-12-11 | 胡肖平 | A kind of substep sealing structure of cable splice closure |
| CN208283627U (en) * | 2018-07-05 | 2018-12-25 | 江苏通鼎宽带有限公司 | Cable splice closure seal assembly |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113671653A (en) * | 2021-10-25 | 2021-11-19 | 华海通信技术有限公司 | Sea cable joint box sealing device |
| CN113671653B (en) * | 2021-10-25 | 2022-01-21 | 华海通信技术有限公司 | Sea cable joint box sealing device |
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