CN216387502U - Optical cable joint box and connection structure of optical cable inlet wire thereof - Google Patents

Optical cable joint box and connection structure of optical cable inlet wire thereof Download PDF

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Publication number
CN216387502U
CN216387502U CN202122737987.3U CN202122737987U CN216387502U CN 216387502 U CN216387502 U CN 216387502U CN 202122737987 U CN202122737987 U CN 202122737987U CN 216387502 U CN216387502 U CN 216387502U
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China
Prior art keywords
optical cable
sealing
clamping
mounting hole
piece
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CN202122737987.3U
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Chinese (zh)
Inventor
毛秀伟
张明熙
王嵚
黄红兵
谢知寒
柯公武
张传甡
黄更佳
叶昕炯
娄佳
邱兰馨
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Zhejiang Tailun Electric Power Group Co ltd
Innovation And Entrepreneurship Center Of State Grid Zhejiang Electric Power Co ltd
Information and Telecommunication Branch of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
Zhejiang Tailun Electric Power Group Co ltd
Innovation And Entrepreneurship Center Of State Grid Zhejiang Electric Power Co ltd
Information and Telecommunication Branch of State Grid Zhejiang Electric Power Co Ltd
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Application filed by Zhejiang Tailun Electric Power Group Co ltd, Innovation And Entrepreneurship Center Of State Grid Zhejiang Electric Power Co ltd, Information and Telecommunication Branch of State Grid Zhejiang Electric Power Co Ltd filed Critical Zhejiang Tailun Electric Power Group Co ltd
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Abstract

The utility model discloses a connecting structure of an optical cable incoming wire of an optical cable joint box, which is characterized in that the connecting structure is used for being hermetically arranged in a mounting hole on a base of the optical cable joint box and comprises: a clamping portion for clamping the incoming optical cable; a sealing part for sealing and connecting the optical cable; the connector is used for being connected with the mounting hole in a sealing mode, two ends of the sealing portion are respectively connected with the clamping portion and the connector, and the clamping portion, the sealing portion and the connector are of an integrated structure. The optical cable is clamped through the clamping piece, the sealing connection between the optical cable and the sealing part is achieved through the sealing part, then the connecting structure is installed in the installation hole in a sealing mode through the joint, the sealing between the optical cable and the connecting structure is achieved, the sealing between the connecting structure and the optical cable joint box is achieved, and the sealing connection between the optical cable and the optical cable joint box is achieved.

Description

Optical cable joint box and connection structure of optical cable inlet wire thereof
Technical Field
The utility model relates to the technical field of power equipment, in particular to an optical cable joint box and an optical cable incoming line connecting structure thereof.
Background
The optical cable joint box is also called optical cable connecting package, optical cable joint package and gun barrel, and belongs to the field of mechanical pressure sealing joint system. The optical cable joint box is an indispensable important device in the field of communication, and the optical cable joint box is a device for connecting and protecting optical cables.
The optical cable is worked a telephone switchboard inside the splice closure, therefore, need stretch into the optical cable inside the splice closure, need prevent simultaneously that the optical cable is fixed with the leakproofness of optical cable and optical cable splice closure department to prevent the magnetic leakage.
Therefore, how to provide a connection structure for an optical cable incoming line of an optical cable joint box to realize the sealing connection of optical cables is a problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a connection structure of an optical cable incoming line of an optical cable joint box, which realizes the sealing connection of optical cables. In addition, the utility model also provides an optical cable joint box with the connecting structure of the optical cable incoming line.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a connection structure of optical cable inlet wire of optical cable joint box, wherein for in the mounting hole of seal installation on optical cable joint box's base, the connection structure of optical cable inlet wire includes:
a clamping portion for clamping the incoming optical cable;
a sealing part for sealing and connecting the optical cable;
the connector is used for being connected with the mounting hole in a sealing mode, two ends of the sealing portion are respectively connected with the clamping portion and the connector, and the clamping portion, the sealing portion and the connector are of an integrated structure.
Preferably, in the above-described connection structure, the clamping portion includes:
the adapter is used for being sleeved on the outer side of the optical cable with the wrapping skin;
the clamping piece is sleeved on the outer side of the adapting piece and connected with the sealing part, and the inner diameter of the clamping piece is adjustable;
and the adjusting bolt is in threaded connection with the clamping piece and is used for adjusting the inner diameter of the clamping piece through rotation.
Preferably, in the above connection structure, the clamping member includes a main body and a clamping plate, the main body and the clamping plate enclose a clamping hole for clamping the optical cable, a distance between the main body and the clamping plate is adjustable, the sealing portion and the main body are integrated, and the adjusting bolt is in threaded connection with the main body and the clamping plate.
Preferably, in the above connection structure, the sealing portion includes:
one end of the sealing sleeve is connected with the clamping piece, the sealing sleeve is provided with a through assembling hole, the assembling hole is provided with a conical mounting hole section, and the diameter of one end close to the clamping piece is smaller than that of one end far away from the clamping piece;
the elastic sealing connecting piece is provided with a through hole for the optical fiber unit of the optical cable to pass through, the elastic sealing connecting piece can be pressed in the sealing sleeve, and the elastic sealing connecting piece can extrude and seal the optical fiber unit when the elastic sealing connecting piece is pressed.
Preferably, in the above connection structure, one end of the through hole, which is away from the clamping member, is a threaded hole, and is in threaded connection through a threaded member, and the threaded member can press the elastic sealing connecting member during rotation so that the elastic sealing connecting member is press-fitted in the tapered mounting hole section.
Preferably, in the above connection structure, the small diameter end of the tapered mounting hole section is a first stage, and the elastic sealing connection piece can abut against and limit a step surface of the first stage; the large-diameter end of the conical mounting hole section is in a second stage, and the elastic sealing connecting piece is exposed out of the second stage and can abut against the threaded piece.
Preferably, in the above connection structure, the joint is inserted into the mounting hole, and the joint and the mounting hole are sealed by at least two stages of sealing rings.
Preferably, in the above connection structure, the joint is of a step structure, and the diameter of the straight cylinder section attached to the inner side of the mounting hole is smaller than the diameter of the boss section attached to the end face of the mounting hole, the straight cylinder section is sealed with the inner side wall of the mounting hole through a first-stage sealing ring, and the boss section is sealed with the end face of the base through a second-stage sealing ring.
Preferably, in the above connection structure, the straight cylinder section has a seal ring clamping groove for clamping the first-stage seal ring, the cross section of the first-stage seal ring is circular or elliptical, and the second-stage seal ring is an annular elastic gasket.
An optical cable splice closure, includes the connection structure of optical cable inlet wire, wherein, the connection structure of optical cable inlet wire be above-mentioned arbitrary connection structure of optical cable inlet wire.
The utility model provides a connecting structure of an optical cable incoming wire of an optical cable joint box, which is characterized in that an optical cable is clamped by a clamping piece and is hermetically connected with a sealing part through the sealing part, and then the connecting structure is hermetically arranged in an installation hole through a joint, so that the optical cable is hermetically connected with the connecting structure, the connecting structure is hermetically connected with the optical cable joint box, and the optical cable is hermetically connected with the optical cable joint box.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a connection structure of an optical cable incoming line disclosed in an embodiment of the present invention;
fig. 2 is a cross-sectional view of the connection structure of the cable incoming line disclosed in the embodiment of the present invention after assembly.
Detailed Description
The utility model discloses a connection structure of an optical cable incoming line of an optical cable joint box, which realizes the sealing connection of optical cables. In addition, the utility model also discloses an optical cable joint box with the connection structure of the optical cable incoming line.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and 2, the present application discloses a connection structure of an optical cable incoming line of an optical cable joint box, which includes: a clamping portion, a sealing portion and a joint 13 for sealing mounting in a mounting hole in a base of the cable closure. Specifically, the mounting hole is seted up on the base of optical cable splice box, sets up three mounting hole in this application, can be used for one to advance one and go out or one advances two and goes out. The clamping portion is used for clamping the incoming optical cable, the sealing portion is used for sealing the connecting optical cable, and the joint 13 is used for sealing the mounting hole, so that the optical cable is mounted on the optical cable joint box in a sealing mode. The clamping portion and the sealing portion are connected respectively at the both ends of the sealing portion in this application to clamping portion, sealing portion and joint 13 are structure as an organic whole. The optical cable is clamped through the clamping piece, the sealing connection between the optical cable and the sealing part is achieved through the sealing part, then the connecting structure is installed in the installation hole in a sealing mode through the connector 13, the sealing between the optical cable and the connecting structure is achieved, the sealing between the connecting structure and the optical cable connector box is achieved, and the sealing connection between the optical cable and the optical cable connector box is achieved.
The clamping part in this application includes: adapter 3, clamping piece and adjusting bolt 2. Wherein, adapter 3 is for being used for the cover to establish the structure in the optical cable outside that has the parcel skin, and the size of this adapter 3 needs to set up according to the size that corresponds the optical cable, and the security of optical cable is protected in the effect of this adapter 3, avoids damaging the optical cable because of the tight dynamics of clamp is too big. The clamping piece is sleeved on the outer side of the adapter piece 3, the clamping piece is connected with the sealing part, the inner diameter of the clamping piece is adjustable, specifically, the clamping piece is in threaded connection with the adjusting bolt 2, and the inner diameter of the clamping piece is adjusted through the adjusting bolt 2. Through the 3 protection optical cables of adapter to establish clamping piece and adjusting bolt 2 that establish in the 3 outsides of adapter and realize the change to the clamping piece internal diameter size, thereby adapt to the optical cable of different sizes, improve the application scope of this optical cable splice box.
In the specific embodiment, the adapter 3 is a copper tube, and it should be noted that the inner diameter of the adapter 3 needs to be slightly larger than the outer diameter of the optical cable, so that during installation, the optical cable can pass through the adapter 3, and the adapter 3 is fixed at a desired position of the optical cable by the clamping member. In practice, the material of the adapter 3 may be selected according to different requirements, as long as the strength requirement is met.
The clamping member in the present application includes a main body 111 and a clamping plate 112, the main body 111 and the clamping plate 112 enclose a clamping hole for clamping the optical cable, and a distance between the main body 111 and the clamping plate 112 is adjustable. The shapes of the main body 111 and the clamp plate 112 are not limited as long as both have arc-shaped surfaces capable of enclosing the clamp hole. The specific size and the shape of the clamping piece can be set according to different requirements, preferably, the clamping piece is set into two semicircular structures, and the clamping piece is connected with the threaded holes of the two semicircular structures through the adjusting bolt 2 to clamp the optical cable. The main body 111 and the clamping plate 112 are provided with attaching planes for attaching, when the main body 111 and the clamping plate 112 are spliced, the attaching planes of the main body 111 and the clamping plate 112 are attached, and the adjusting bolt 2 penetrates through the attaching planes to achieve connection. When the adjusting bolt 2 is screwed to fit the fit planes of the main body 111 and the clamping plate 112 in use, the diameter of the optical cable corresponding to the clamping member is the minimum diameter applicable; when the optical cable with a larger diameter needs to be clamped, the adjusting bolt only needs to be loosened continuously, and the distance between the main body 111 and the clamping plate 112 is increased.
The sealing portion disclosed in the present application includes: the sealing sleeve 12 and the elastic sealing connecting piece 4, wherein one end of the sealing sleeve 12 is connected with a clamping piece for fixing the optical cable, the sealing sleeve 12 is provided with a through assembly hole, the assembly hole is provided with a conical mounting section, the diameter of one end close to the clamping piece is smaller than that of the end far away from the clamping piece, stepped holes are formed at the joint of the small-diameter end and the large-diameter end of the conical mounting hole section and the assembly hole, the diameter of the small-diameter end is smaller than that of the assembly hole connected with the small-diameter end, and the diameter of the large-diameter end is smaller than that of the assembly hole connected with the large-diameter end; the elastic sealing connecting piece 4 is provided with a through hole for the optical fiber unit to pass through, the elastic sealing connecting piece 4 and the step surfaces of the step holes at the two ends of the conical mounting hole are limited and pressed in the conical mounting hole section of the sealing sleeve 12, and the optical fiber unit in the through hole can be extruded when the elastic sealing connecting piece 4 is pressed in a pressing mode.
The sealing sleeve 12 is used as a mounting base of the sealing structure, the elastic sealing connecting piece 4 is mounted in the conical mounting hole section of the sealing sleeve 12 and used as a mounting base for mounting the optical fiber unit, namely, the optical fiber unit penetrates through the through hole of the elastic sealing connecting piece 4 and is extruded at the inner side of the conical mounting hole section through the elastic deformation of the elastic sealing connecting piece 4, the optical fiber unit mounted in the through hole is extruded due to the deformation of the elastic sealing connecting piece 4, the optical fiber unit is stably and hermetically mounted in the through hole, and the optical fiber unit is mounted in the through hole, namely, the optical fiber unit is hermetically mounted. The optical fiber unit sealing device is simple in structure and easy to operate, stable sealing installation of the optical fiber unit is effectively guaranteed, and the problem caused by shaking of the optical fiber unit is solved.
In practice, pressure plates 8 for axially limiting the elastic sealing joint 4 may be provided at both ends of the elastic sealing joint 4.
In the preferred embodiment, the resilient sealing connection 4 is of conical configuration and engages a tapered mounting bore section of the sealing boot 12. The elastic sealing connecting piece 4 is set to be of a conical structure, so that the contact area between the elastic sealing connecting piece 4 and the conical mounting hole section is increased, the elastic sealing connecting piece 4 is limited by the conical mounting hole section of the sealing sleeve 12 in the press fitting process of the elastic sealing connecting piece 4, and therefore the deformation of the elastic sealing connecting piece 4 is inward, namely, towards the through hole, and the sealing performance of the elastic sealing connecting piece 4 and the optical fiber unit is guaranteed.
The joint 13 is inserted into the mounting hole, the joint 13 and the mounting hole are sealed by at least two stages of sealing rings, and the joint 13 is located at one end of the sealing part far away from the clamping part. Adopt at least two-stage to seal through the setting to seal the mounting hole of optical cable joint box through connecting 13, guarantee the inside leakproofness of optical cable joint box behind the installation fiber unit, prevent the problem of magnetic leakage.
Joint 13 in this application is the stair structure, and is used for being less than the diameter with the boss section of the terminal surface laminating of the mounting hole of base with the diameter of the straight section of thick bamboo section of the inboard laminating of mounting hole, and straight section of thick bamboo section passes through first sealing washer 6 sealing connection with the mounting hole inside wall, and the boss section passes through second level sealing washer 7 with the terminal surface of base and seals. The connector 13 of the optical fiber sealing connecting piece in the application is sealed at the mounting hole through two-stage sealing, the end part and the inner side of the mounting hole are sealed simultaneously, the sealing effect is effectively improved, and the problem of magnetic leakage in an optical cable joint box is effectively prevented. In practice, three-stage sealing or other sealing methods can be adopted and are all within the protection range.
The section of the first-stage sealing ring 6 is circular or elliptical, wherein the second-stage sealing ring 7 is an annular elastic gasket. Set up second level sealing washer 7 into annular elastic gasket and can effectively increase the area of contact of second level sealing washer 7 and boss and base, improve sealed effect, first order sealing washer 6 in this application and second level sealing washer 7 all can have elastic rubber spare or silica gel spare.
In addition, this application still discloses an optical cable joint box, including the connection structure of optical cable inlet wire, it is specific, the connection structure of this optical cable inlet wire is the connection structure of the optical cable inlet wire disclosed in the above-mentioned embodiment, consequently, the optical cable joint box that has the connection structure of this optical cable inlet wire also has all above-mentioned technological effects, no longer gives unnecessary details one by one here.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides a connection structure of optical cable inlet wire of optical cable joint box which characterized in that for in the mounting hole of seal installation on the base of optical cable joint box, the connection structure of optical cable inlet wire includes:
a clamping portion for clamping the incoming optical cable;
a sealing part for sealing and connecting the optical cable;
the connector (13) is used for being connected with the mounting hole in a sealing mode, two ends of the sealing portion are respectively connected with the clamping portion and the connector (13), and the clamping portion, the sealing portion and the connector (13) are of an integrated structure.
2. The connecting structure according to claim 1, wherein the clamping portion comprises:
the adapter (3) is used for sleeving the outer side of the optical cable with the wrapping skin;
the clamping piece is sleeved on the outer side of the adapting piece (3) and connected with the sealing part, and the inner diameter of the clamping piece is adjustable;
and the adjusting bolt (2) is in threaded connection with the clamping piece, and the inner diameter of the clamping piece is adjusted by rotating the adjusting bolt (2).
3. The connecting structure according to claim 2, wherein the clamping member comprises a main body (111) and a clamping plate (112), the main body (111) and the clamping plate (112) enclose a clamping hole for clamping the optical cable, the distance between the main body (111) and the clamping plate (112) is adjustable, the sealing part is of an integral structure with the main body (111), and the adjusting bolt (2) is in threaded connection with the main body (111) and the clamping plate (112).
4. The connecting structure according to claim 2, wherein the seal portion comprises:
the clamping device comprises a sealing sleeve (12), one end of the sealing sleeve (12) is connected with the clamping piece, the sealing sleeve (12) is provided with a through assembly hole, the assembly hole is provided with a conical mounting hole section, and the diameter of one end close to the clamping piece is smaller than that of one end far away from the clamping piece;
the optical fiber unit sealing device comprises an elastic sealing connecting piece (4), wherein the elastic sealing connecting piece (4) is provided with a through hole for the optical fiber unit of the optical cable to pass through, the elastic sealing connecting piece (4) can be pressed in the sealing sleeve (12), and when the elastic sealing connecting piece (4) is pressed in, the elastic sealing connecting piece (4) can extrude to seal the optical fiber unit.
5. A connection arrangement according to claim 4, characterised in that the end of the through-hole remote from the clamping member is a threaded hole and is threadedly engaged by a threaded member which during rotation is able to compress the resilient seal connecting member (4) such that the resilient seal connecting member (4) is press fitted within the tapered mounting hole section.
6. The connection according to claim 5, wherein the small diameter end of the conical mounting hole section is a first stage, and the elastic sealing connecting piece (4) can be abutted against the step surface of the first stage for limiting; the large-diameter end of the conical mounting hole section is in a second stage, and the elastic sealing connecting piece (4) is exposed out of the second stage and can be abutted against the threaded piece.
7. A connection according to claim 4, characterized in that the nipple (13) is plugged into the mounting hole and the nipple (13) is sealed from the mounting hole by at least two-stage sealing rings.
8. The connection structure according to claim 7, wherein the joint (13) is a step structure, and the diameter of a straight cylinder section for fitting with the inner side of the mounting hole is smaller than that of a boss section for fitting with the end face of the mounting hole, the straight cylinder section is sealed with the inner side wall of the mounting hole through a first-stage sealing ring (6), and the boss section is sealed with the end face of the base through a second-stage sealing ring (7).
9. The connecting structure according to claim 8, wherein the straight cylinder section is provided with a seal ring clamping groove for clamping the first-stage seal ring (6), the cross section of the first-stage seal ring (6) is circular or elliptical, and the second-stage seal ring (7) is an annular elastic gasket.
10. An optical cable splice closure comprising a connection arrangement for optical cable entries, wherein the connection arrangement for optical cable entries is as claimed in any one of claims 1 to 8.
CN202122737987.3U 2021-11-09 2021-11-09 Optical cable joint box and connection structure of optical cable inlet wire thereof Active CN216387502U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122737987.3U CN216387502U (en) 2021-11-09 2021-11-09 Optical cable joint box and connection structure of optical cable inlet wire thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122737987.3U CN216387502U (en) 2021-11-09 2021-11-09 Optical cable joint box and connection structure of optical cable inlet wire thereof

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CN216387502U true CN216387502U (en) 2022-04-26

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CN202122737987.3U Active CN216387502U (en) 2021-11-09 2021-11-09 Optical cable joint box and connection structure of optical cable inlet wire thereof

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115831881A (en) * 2022-11-29 2023-03-21 无锡市博精电子有限公司 Tube seat for semiconductor packaging

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115831881A (en) * 2022-11-29 2023-03-21 无锡市博精电子有限公司 Tube seat for semiconductor packaging
CN115831881B (en) * 2022-11-29 2024-04-30 无锡市博精电子有限公司 Tube seat for semiconductor packaging

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