CN215932225U - Optical cable joint box and sealing structure of optical fiber unit thereof - Google Patents

Optical cable joint box and sealing structure of optical fiber unit thereof Download PDF

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Publication number
CN215932225U
CN215932225U CN202122048919.6U CN202122048919U CN215932225U CN 215932225 U CN215932225 U CN 215932225U CN 202122048919 U CN202122048919 U CN 202122048919U CN 215932225 U CN215932225 U CN 215932225U
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China
Prior art keywords
optical fiber
sealing
fiber unit
hole
diameter
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CN202122048919.6U
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Inventor
朱发强
张明熙
秦枫
沈潇军
刘晨阳
毛秀伟
沈佳辉
陈熙
张鹏杰
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Information and Telecommunication Branch of State Grid Zhejiang Electric Power Co Ltd
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Information and Telecommunication Branch of State Grid Zhejiang Electric Power Co Ltd
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Abstract

The utility model discloses an optical cable joint box and a sealing structure of an optical fiber unit thereof, comprising: the sealing sleeve is provided with a through assembly hole section, the assembly hole is provided with a conical mounting hole section, the diameter of one end close to the clamping piece is smaller than that of the other end, 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 is provided with a through hole, the elastic sealing connecting piece and the step empty sections at the two ends of the conical mounting hole can be in limiting press mounting in the conical mounting hole section of the sealing sleeve, and the optical fiber units in the through hole can be extruded during press mounting of the elastic sealing connecting piece. The optical fiber unit in the through hole is extruded through the deformation of the elastic sealing connecting piece, so that the optical fiber unit is stably and hermetically arranged in the through hole. This simple structure, easily operation has effectively guaranteed the stable sealed installation of optic fibre unit, has solved the problem that shaking of optic fibre unit brought.

Description

Optical cable joint box and sealing structure of optical fiber unit thereof
Technical Field
The utility model relates to the technical field of power equipment, in particular to an optical cable joint box and a sealing structure of an optical fiber unit 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.
However, when the conventional optical cable is connected to the optical cable junction box, only the optical fiber unit inside the optical cable needs to be inserted into the junction box, and the connection of the conventional optical fiber unit is unstable, so that the optical fiber unit shakes, and the connection of the optical fiber unit is affected.
Therefore, how to provide a sealing structure of an optical fiber unit of an optical cable joint box to realize the sealing connection of the optical fiber unit and ensure the connection stability of the optical fiber unit is a problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a sealing structure for an optical fiber unit of an optical cable splice closure, so as to achieve the sealing connection of the optical fiber unit and ensure the connection stability of the optical fiber unit. In addition, the utility model also provides an optical cable joint box with the sealing structure of the optical fiber unit.
In order to achieve the purpose, the utility model provides the following technical scheme:
a sealing structure of an optical fiber unit of a cable closure, comprising:
the clamping device comprises a sealing sleeve, a clamping piece and a clamping piece, wherein one end of the sealing sleeve is connected with the clamping piece for fixing the optical cable, the sealing sleeve is provided with a conical mounting hole section, the diameter of one end, close to the clamping piece, of the sealing sleeve is smaller than that of one end, far away from the clamping piece, of the sealing sleeve, stepped holes are formed at the joint of a small-diameter end and a large-diameter end of the conical mounting hole section and the assembling hole, the diameter of the small-diameter end is smaller than that of the assembling hole connected with the small-diameter end, and the diameter of the large-diameter end is smaller than that of the assembling hole connected with the large-diameter end;
the elastic sealing connecting piece is provided with a through hole for the optical fiber unit to pass through, the elastic sealing connecting piece and the stepped holes at the two ends of the conical mounting hole are limited and pressed in the conical mounting hole section of the sealing sleeve, and the optical fiber unit in the through hole can be extruded during pressing of the elastic sealing connecting piece.
Preferably, in the sealing structure of the optical fiber unit, the elastic sealing connector is an elastic rubber member.
Preferably, in the sealing structure of the optical fiber unit, the elastic sealing connector is a conical structure and is matched with the conical mounting hole section of the sealing sleeve.
Preferably, in the sealing structure of the optical fiber unit, the elastic sealing connector has three through holes for the optical fiber unit to pass through.
Preferably, in the sealing structure of the optical fiber unit, the other end of the sealing sleeve is detachably inserted into a cable port on a base of the splice closure and is connected in a sealing manner.
Preferably, in the sealing structure of the optical fiber unit, the sealing sleeve has a boss for being attached to the base, and the boss is connected to the base through a screw; a first sealing ring is arranged between the boss of the sealing sleeve and the base, and a second sealing ring is arranged between the sealing sleeve and the inner wall of the cable interface.
An optical cable splice closure comprising a sealing arrangement for an optical fibre unit, wherein the sealing arrangement for an optical fibre unit is as defined in any preceding claim.
The utility model provides a sealing structure of an optical fiber unit of an optical cable joint box, which is characterized in that a sealing sleeve is used as an installation base of the sealing structure, an elastic sealing connecting piece is arranged in a conical installation hole section of the sealing sleeve and is used as an installation base for installing the optical fiber unit, namely, the optical fiber unit passes through a through hole of the elastic sealing connecting piece and is extruded at the inner side of the conical installation hole section through the elastic deformation of the elastic sealing connecting piece, and the optical fiber unit arranged in the through hole is extruded due to the deformation of the elastic sealing connecting piece, so that the optical fiber unit is stably and hermetically arranged in the through hole, and the sealed installation of the optical fiber unit is realized. 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.
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 view of an elastomeric sealing joint disclosed in an embodiment of the present invention;
fig. 2 is a schematic structural view of a sealing structure of an optical fiber unit disclosed in the embodiment of the present invention.
Detailed Description
The utility model discloses a sealing structure of an optical fiber unit of an optical cable joint box, which is used for realizing the sealing connection of the optical fiber unit and ensuring the connection stability of the optical fiber unit. In addition, the utility model also discloses an optical cable joint box with the sealing structure of the optical fiber unit.
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 sealing structure of an optical fiber unit of an optical cable joint box, which includes a sealing sleeve 1 and an elastic sealing connecting member 2, wherein one end of the sealing sleeve 1 is connected with a clamping member for fixing an optical cable, the sealing sleeve 1 has a through assembly hole, the assembly hole has a conical installation section, the diameter of one end close to the clamping member is smaller than that of the end far away from the clamping member, stepped holes are formed at the joint of the small-diameter end and the large-diameter end of the conical installation 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 2 is provided with a through hole 21 for the optical fiber unit to pass through, the elastic sealing connecting piece 2 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 1, and the optical fiber unit in the through hole 21 can be extruded when the elastic sealing connecting piece 2 is pressed in a pressing mode. The sealing sleeve 1 is used as an installation foundation of the sealing structure, the elastic sealing connecting piece 2 is installed in the conical installation hole section of the sealing sleeve 1 and is used as an installation foundation for installing the optical fiber unit, namely, the optical fiber unit penetrates through the through hole 21 of the elastic sealing connecting piece 2 and is extruded at the inner side of the conical installation hole section through the elastic deformation of the elastic sealing connecting piece 2, the optical fiber unit installed in the through hole 21 is extruded due to the deformation of the elastic sealing connecting piece 2, the optical fiber unit is stably and hermetically installed in the through hole 21, and the optical fiber unit is installed in the through hole 21 in a sealing mode, namely, the optical fiber unit is installed in a sealing mode. 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.
The elastic sealing connecting piece 2 disclosed in the application is an elastic rubber piece, and a concrete material of the elastic sealing connecting piece 2 is disclosed herein, and the elastic sealing connecting piece 2 can be a silica gel pad in practice, and the elastic sealing connecting piece 2 in the application can be extruded and deformed in the press fitting process to extrude the structure of the size of the through hole 21, for example, the elastic sealing connecting piece can also be a high-density sponge body.
In the preferred embodiment, the elastic sealing connection 2 is of conical configuration and cooperates with a conical mounting hole section of the sealing sleeve 1. Set up elastic sealing connecting piece 2 into conical structure to increase the area of contact of elastic sealing connecting piece 2 and toper mounting hole section, carry on spacingly by the toper mounting hole section of seal cover 1 to elastic sealing connecting piece 2 at elastic sealing connecting piece 2 pressure equipment in-process, thereby make elastic sealing connecting piece 2 deformation inwards, to through-hole 21 department promptly, guarantee elastic sealing connecting piece 2 and optical fiber unit's leakproofness.
Elastic sealing connecting piece 2 in this application has three through-hole 21 that supplies the optic fibre unit to pass, can set up according to the quantity of optic fibre unit to the number of through-hole 21, and all in protection range.
In a specific embodiment, the sealing sleeve 1 is a cylinder for sleeving the optical cable. The sealing sleeve 1 is detachably inserted into a cable interface on a base of the joint box to realize the connection of the sealing sleeve 1 and the joint box, and the sealing sleeve 1 and the cable interface can be in threaded sealing connection in a connection mode except for plugging.
Specifically, seal cover 1 has the boss that is used for with the base laminating to this boss passes through the screw with the base and is connected, and after this seal cover 1 inserted the cable interface, the boss was laminated with the base of splice box, was connected boss and base through the screw this moment, realized being connected of seal cover 1 and splice box promptly, thereby sealed the optical fiber unit in the splice box.
In order to realize sealing, be provided with first sealing washer between the base of the boss of seal cover 1 and splice box disclosed in this application to be provided with the second sealing washer between the inner wall of seal cover 1 and cable interface. The sealing of the sealing sleeve 1 and the joint box can be realized by arranging the sealing ring.
In addition, the present application further discloses an optical cable joint box, which includes a sealing structure of an optical fiber unit, wherein the sealing structure of the optical fiber unit is the sealing structure of the optical fiber unit disclosed in the above embodiment, and therefore, the optical cable joint box having the sealing structure of the optical fiber unit also has all the above technical effects, which are not described in detail herein.
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 (6)

1. A sealing structure of an optical fiber unit of an optical cable closure, comprising:
the cable fixing device comprises a sealing sleeve (1), one end of the sealing sleeve (1) is connected with a clamping piece for fixing an optical cable, the sealing sleeve (1) is provided with a through assembly hole, the assembly hole is provided with a conical mounting hole 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 optical fiber unit pressing device comprises an elastic sealing connecting piece (2), wherein the elastic sealing connecting piece (2) is provided with a through hole (21) for the optical fiber unit to pass through, the elastic sealing connecting piece (2) and stepped holes at two ends of a conical mounting hole are limited and pressed in the conical mounting hole section, and the optical fiber unit in the through hole (21) can be pressed in the pressing process of the elastic sealing connecting piece (2).
2. Sealing structure of optical fiber unit according to claim 1, characterized in that the elastic sealing connector (2) is an elastic rubber member.
3. Sealing structure of an optical fiber unit according to claim 1, characterized in that the elastic sealing connection piece (2) is of a conical structure and fits with a conical mounting hole of the sealing boot (1).
4. The sealing structure of an optical fiber unit according to claim 1, wherein the elastic sealing connector (2) has three through holes (21) through which the optical fiber unit passes.
5. Sealing structure of optical fiber unit according to claim 1, characterized in that the other end of the sealing sleeve (1) is detachably inserted into the cable port on the base of the splice closure and is sealed and connected.
6. An optical cable splice closure comprising a sealing arrangement for an optical fibre unit, wherein the sealing arrangement for an optical fibre unit is as claimed in any one of claims 1 to 5.
CN202122048919.6U 2021-08-27 2021-08-27 Optical cable joint box and sealing structure of optical fiber unit thereof Active CN215932225U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122048919.6U CN215932225U (en) 2021-08-27 2021-08-27 Optical cable joint box and sealing structure of optical fiber unit thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122048919.6U CN215932225U (en) 2021-08-27 2021-08-27 Optical cable joint box and sealing structure of optical fiber unit thereof

Publications (1)

Publication Number Publication Date
CN215932225U true CN215932225U (en) 2022-03-01

Family

ID=80421064

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122048919.6U Active CN215932225U (en) 2021-08-27 2021-08-27 Optical cable joint box and sealing structure of optical fiber unit thereof

Country Status (1)

Country Link
CN (1) CN215932225U (en)

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