CN210051937U

CN210051937U - Optical cable joint box

Info

Publication number: CN210051937U
Application number: CN201920985729.7U
Authority: CN
Inventors: 魏文振; 孙莹; 王军
Original assignee: Fiberhome Telecommunication Technologies Co Ltd
Current assignee: Fiberhome Telecommunication Technologies Co Ltd
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-02-11
Anticipated expiration: 2029-06-27

Abstract

The utility model discloses an optical cable splice box relates to optical cable jointing equipment technical field, and the device advances the cable pipe including cap section of thick bamboo, base subassembly and many, be equipped with an inner chamber in the cap section of thick bamboo, the base subassembly is located the bottom of cap section of thick bamboo, and sealed the inner chamber, many advance the cable pipe interval and locate the bottom of base subassembly, each advance all to be equipped with screw thread and detachable thin slice on the cable pipe, just the position of screw thread is configured into: the optical cable joint box is not limited by the thin sheet when being demoulded along the bottom direction of the cable inlet pipe. The utility model provides a pair of optical cable joint box, it both is applicable to mechanical seal and is applicable to the pyrocondensation again and seals, and the product commonality is strong, and support range is big, and manufacturing efficiency is high.

Description

Optical cable joint box

Technical Field

The utility model relates to an optical cable jointing equipment technical field, concretely relates to optical cable joint box.

Background

The optical cable joint box is one of important components in an optical communication network and is mainly used for connection protection and optical fiber distribution among optical cables, and the quality and the performance of the optical cable joint box directly influence the quality of an optical cable line and the service life of the optical cable line. The tightness of the optical cable joint box is one of the most important performance indexes, and the optical cable joint box after installation and construction needs to reach a certain sealing standard to prevent water or moisture from damaging an optical cable or an optical fiber after entering the optical cable joint box body, so that communication faults are caused.

At present, the splice closure generally has two kinds of modes of mechanical seal and pyrocondensation seal to the sealed of optical cable, and when adopting mechanical seal, the optical cable splice closure of being more convenient for is repeatedly opened the equipment, and adopts the pyrocondensation seal can provide better sealing stability. The mechanical seal is formed by extruding a sealing ring through a mechanical fastening structure, so that the optical cable and the cable inlet hole are sealed, the thermal shrinkage seal is formed by heating the thermal shrinkage pipe, and the thermal shrinkage pipe is heated to shrink, so that the optical cable and the cable inlet hole are sealed. In the prior art, most optical cable splice closures can only support one of mechanical seal or thermal shrinkage seal alone, and when using, mechanical seal needs specific fastening tool just can realize, and thermal shrinkage seal then needs the hot-blast rifle to work under the electrified condition and realizes, all need just can realize satisfying under certain environmental condition promptly. When no power supply exists and the optical cable joint box only supports thermal shrinkage sealing, the optical cable joint box cannot be used; when a special fastening tool is not carried, the optical cable joint box only supports mechanical sealing and cannot be used; when operators require that part of cable inlet holes are sealed by heat shrinkage and part of cable inlet holes are sealed by machinery, if a main cable needs to ensure sealing stability, construction is carried out only once, a branch cable needs to ensure repeatable opening performance, construction can be carried out for multiple times, and any two connector boxes which only support one sealing mode cannot be used at the moment; when both sealing modes exist in the same area, centralized purchase is inconvenient for operators.

The optical cable joint box capable of supporting two sealing modes currently has a complex general structure, or the manufacturing process is difficult to demould, so that the production quality and the production efficiency of the optical cable joint box are influenced to a large extent, and the mass production is not facilitated.

SUMMERY OF THE UTILITY MODEL

To the defect that exists among the prior art, the utility model aims to provide an optical cable joint box, it both had been applicable to mechanical seal and was applicable to the pyrocondensation sealed again, and the product commonality is strong, and support range is big, and manufacturing efficiency is high.

In order to achieve the above purpose, the utility model adopts the technical proposal that:

the cap barrel is internally provided with an inner cavity;

the base assembly is arranged at the bottom of the cap cylinder and seals the inner cavity;

the cable feeding pipes are arranged at the bottom of the base assembly at intervals, each cable feeding pipe is provided with a thread and a detachable sheet, and the positions of the threads are configured as follows: the optical cable joint box is not limited by the thin sheet when being demoulded along the bottom direction of the cable inlet pipe.

On the basis of the technical scheme, each cable inlet pipe penetrates through the base assembly and is communicated with the inner cavity, inner threads are arranged on the inner wall of one end, far away from the base assembly, of each cable inlet pipe, a detachable sheet is arranged at one end, connected with the base assembly, of each cable inlet pipe, and the sheet separates the cable inlet pipes from the inner cavity.

On the basis of the technical scheme, the optical cable joint box further comprises a plurality of dustproof pieces, and the dustproof pieces are respectively arranged at one ends, far away from the base assembly, of the cable inlet pipes.

On the basis of the technical scheme, the dustproof piece is in a cover shape and is connected with the cable inlet pipe through threads.

On the basis of the technical scheme, the dustproof piece is sheet-shaped and is detachably connected with the cable inlet pipe.

On the basis of the technical scheme, each cable inlet pipe penetrates through the base assembly and is communicated with the inner cavity, the outer wall of one end, far away from the base assembly, of each cable inlet pipe is provided with an external thread, and the end of each cable inlet pipe is also provided with a detachable sheet.

On the basis of the technical scheme, the cable feeding pipes comprise an oval pipe and a plurality of cylindrical pipes.

On the basis of the technical scheme, the number of the cylindrical pipes can be 4, 6 or 8.

On the basis of the technical scheme, the cylindrical pipes are symmetrically distributed along the central axis of the elliptical pipe.

On the basis of the technical scheme, the height of the cable feeding pipe is 60-80 mm.

Compared with the prior art, the utility model has the advantages of:

the utility model provides a pair of optical cable splice box, it includes that the interval locates many of base subassembly bottom and advances the cable pipe, all is equipped with the screw thread and the thin slice that can drop on each advances the cable pipe, and the position of screw thread is configured into: the optical cable joint box is not limited by the thin sheet when being demoulded along the bottom direction of the cable inlet pipe, and the production efficiency can be ensured on the premise of meeting two sealing modes. The first mode is that the cable inlet pipes penetrate through the base assembly and are communicated with the inner cavity, inner threads are arranged on the inner wall of one end, away from the base assembly, of each cable inlet pipe, a detachable sheet is arranged on one end, connected with the base assembly, of each cable inlet pipe, and the sheet separates the cable inlet pipes from the inner cavity; the second mode is that the outer wall of one end of the cable inlet pipe, which is far away from the base component, is provided with an external thread, and the end of the cable inlet pipe is also provided with a detachable sheet. The optical cable joint box is large in supporting range, high in product universality, high in production efficiency and strong in manufacturability.

Drawings

Fig. 1 is a partial cross-sectional view of a cable feeding tube of an optical cable closure according to an embodiment of the present invention provided with an external thread;

fig. 2 is a partial cross-sectional view of a cable feeding tube of an optical cable closure according to an embodiment of the present invention having an internal thread;

fig. 3 is a schematic structural diagram of an optical cable joint box according to an embodiment of the present invention.

In the figure: 1-cap cylinder, 2-base component, 3-cable inlet pipe, 30-internal thread, 31-external thread and 4-sheet.

Detailed Description

The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. It is to be noted that all the figures are exemplary representations. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present invention will be described in further detail below with reference to specific embodiments and with reference to the accompanying drawings.

Referring to fig. 3, an embodiment of the present invention provides an optical cable splice closure, including a cap barrel 1, a base assembly 2 and a plurality of cable feeding tubes 3, wherein, an inner cavity is provided in the cap barrel 1, the base assembly 2 is provided at the bottom of the cap barrel 1 and seals the inner cavity, the plurality of cable feeding tubes 3 are provided at the bottom of the base assembly 2 at intervals, each cable feeding tube 3 is provided with a thread and a detachable sheet 4, and the position of the thread is configured as: the cable joint box is not limited by the thin sheet 4 when being demoulded along the bottom direction of the cable inlet pipe 3. Namely, the optical cable joint box can adopt mechanical seal or thermal shrinkage seal according to actual conditions, has a large support range and convenient manufacture, and cannot influence production due to difficulty and complexity in manufacturing process caused by the fact that two sealing modes are required to be met simultaneously.

Specifically, the optical cable joint box is a cap-type joint box, which is called as an optical cable joint box, an optical cable joint bag or an optical cable joint bag, and the cap barrel 1, the base assembly 2 and the cable inlet pipe 3 are generally made of reinforced plastics, so that the cap barrel, the base assembly and the cable inlet pipe are high in strength and corrosion resistant, and are suitable for various environments to protect the joint part of the optical cable and ensure normal communication. In the actual use process, firstly, the thin sheet 4 at the bottom of the cable inlet tube 3, which is needed to be used, on the optical cable joint box is removed, an auxiliary tool such as a screwdriver is generally used to remove the thin sheet 4, then the optical cable is arranged on the cable inlet tube 3 in a penetrating way, if mechanical sealing is needed, a mechanical sealing component is sleeved on the optical cable, and one end of the mechanical sealing component is connected and fixed with the cable inlet tube 3, so as to achieve mechanical sealing, wherein the mechanical sealing component is generally a cap; if the thermal shrinkage type sealing is needed, the thermal shrinkage sealing component is sleeved at the joint of the optical cable and the cable inlet pipe 3, after the thermal shrinkage sealing component is heated and shrunk, the inner wall of the thermal shrinkage sealing component, the outer wall of the optical cable and the outer wall of the cable inlet pipe 3 are tightly attached at the same time, the sealing effect is achieved, and the thermal shrinkage sealing component achieves thermal shrinkage sealing.

Compared with the prior art, the optical cable joint box comprises a plurality of cable inlet pipes 3 arranged at the bottom of the base assembly at intervals, each cable inlet pipe 3 is provided with a thread and the detachable sheet 4, and the position of the thread is configured as follows: the optical cable splice box is followed do not receive during advance cable pipe 3's the bottom direction drawing of patterns limitation of thin slice 4, consequently can satisfy under the prerequisite of two kinds of sealed modes simultaneously, can also guarantee the efficiency of production, and the support scope is big, and the product commonality is strong, has reduced user's use cost, and convenient to use, and secondly, production efficiency is high, and manufacturability is strong, follows advance cable pipe 3's the bottom direction drawing of patterns, reduced manufacturer's manufacturing cost, can realize fast production.

As a preferred embodiment, referring to fig. 1, each cable feeding tube 3 passes through the base assembly 2 and is communicated with the inner cavity, an inner thread 30 is provided on an inner wall of one end of each cable feeding tube 3 away from the base assembly 2, a detachable sheet 4 is provided on one end connected with the base assembly 2, and the sheet 4 separates the cable feeding tube 3 from the inner cavity. Specifically, when the optical cable does not enter the optical cable joint box, the sheet 4 seals the end part of the cable inlet pipe 3 close to the base assembly 2, namely, the inner cavity of the cap barrel 1 is in a sealed state and is separated from the cable inlet pipe 3; when an optical cable needs to be connected into the optical cable joint box, firstly, an auxiliary tool is adopted to remove the thin sheet 4 at the joint of the cable inlet pipe 3 and the base component 2, then the optical cable penetrates through the cable inlet pipe 3, if mechanical sealing is needed, a mechanical sealing cover cap is sleeved on the optical cable, and one end of the cover cap is fixedly connected with the internal thread 30 in the cable inlet pipe 3, so that mechanical sealing is achieved; if the thermal shrinkage type sealing is needed, the optical cable heat-shrinkable sleeve is sleeved at the joint of the optical cable and the cable inlet pipe 3, after the optical cable heat-shrinkable sleeve is heated and shrunk, the inner wall of the optical cable heat-shrinkable sleeve is tightly attached to the outer wall of the optical cable and the outer wall of the cable inlet pipe 3, and therefore the thermal shrinkage sealing is achieved.

In a preferred embodiment, the optical cable junction box further includes a plurality of dust-proof members, and the plurality of dust-proof members are respectively disposed at one ends of the plurality of cable feeding tubes 3 away from the base assembly 2. The dustproof piece is mainly used for preventing dust or other objects from entering the cable inlet pipe 3 when the optical cable joint box is not used so as to keep the optical cable joint box clean and in a good use state and further ensure the smooth access of the optical cable. Furthermore, the dustproof piece can be in a cover shape and is connected with the cable inlet pipe 3 through threads, so that the dustproof piece is convenient to disassemble; in addition, the dustproof piece also can be the slice, neither need set up in addition the helicitic texture who supplies to connect, with advance cable pipe 3 can dismantle the connection can, practical convenient.

In a preferred embodiment, referring to fig. 2, each cable feeding tube 3 passes through the base assembly 2 and is communicated with the inner cavity, an outer wall of one end of each cable feeding tube 3, which is far away from the base assembly 2, is provided with an external thread 31, and a detachable sheet 4 is further arranged on the end. Specifically, when the optical cable has not entered the cable closure, the thin sheet 4 seals the bottom of the cable feeding tube 3, that is, the cable closure is in a sealed state. When an optical cable needs to be connected into the optical cable joint box, firstly, an auxiliary tool is adopted to remove the thin sheet 4 positioned at the bottom of the cable inlet pipe 3, then the optical cable penetrates through the cable inlet pipe 3, if mechanical sealing is needed, a mechanical sealing cover cap is sleeved on the optical cable, and one end of the cover cap is fixedly connected with the external thread 31 in the cable inlet pipe 3, so that mechanical sealing is achieved; if the thermal shrinkage type sealing is needed, the optical cable heat-shrinkable sleeve is sleeved at the joint of the optical cable and the cable inlet pipe 3, after the optical cable heat-shrinkable sleeve is heated and shrunk, the inner wall of the optical cable heat-shrinkable sleeve is tightly attached to the outer wall of the optical cable and the outer wall of the cable inlet pipe 3, and therefore the thermal shrinkage sealing is achieved. In this way, the external thread 31 is arranged on the outer side wall of the bottom of the cable feeding pipe 3, and after the sheet 4 is arranged at the bottom at the same time, the cable feeding pipe can still be demoulded from the bottom direction of the cable feeding pipe 3 during the demoulding process, so that the convenience and the rapidness are realized.

In a preferred embodiment, the cable feeding pipes 3 include an elliptical pipe and a plurality of cylindrical pipes. The oval-shaped pipe is used for the optical cable to enter and penetrate out once, the entering and the exiting of the same optical cable can be achieved, different optical cables can enter and exit, two optical cables can be accommodated simultaneously, the cylindrical pipe is used for the entering or the penetrating out of the optical cable, and only one optical cable can be accommodated once. Further, the number of the cylindrical tubes of the cable closure may be 4, 6 or 8, and the number of the oval tubes is always 1.

As a preferred embodiment, the cylindrical tubes are symmetrically distributed along the central axis of the oval tube, and are regularly arranged at the bottom of the base assembly 2, so that the optical cables spliced at the optical cable splice closure are regularly arranged, and are easy to distinguish. Further, the height range of the cable feeding pipe 3 is 60-80 mm, and the specific height is determined according to the actual application condition.

Compared with the prior art, the optical cable joint box comprises a plurality of cable inlet pipes 3 arranged at the bottom of the base assembly 2 at intervals, each cable inlet pipe 3 is provided with a thread and the detachable sheet 4, and the positions of the threads are configured as follows: the optical cable joint box is not limited by the thin sheet 4 when being demoulded along the bottom direction of the cable inlet pipe 3, and the production efficiency can be ensured on the premise of meeting two sealing modes. The first mode is that the cable inlet pipes 3 penetrate through the base assembly 2 and are communicated with the inner cavity, the inner threads 30 are arranged on the inner wall of one end, far away from the base assembly 2, of each cable inlet pipe 3, the detachable sheet 4 is arranged on one end, connected with the base assembly 2, of each cable inlet pipe 3, and the sheet 4 separates the cable inlet pipes 3 from the inner cavity, so that mechanical sealing and thermal shrinkage sealing can be simultaneously met, and the sheet 4 is arranged above the inner threads 30, so that the optical cable joint box can be demoulded along the bottom direction of the cable inlet pipes 3; the second way is that the external threads 31 are arranged on the outer wall of one end of the cable feeding pipe 3 far away from the base component 2, and the falling sheets 4 are arranged on the end of the cable feeding pipe, so that the optical cable joint box can be demoulded along the bottom direction of the cable feeding pipe 3 due to the external threads 31.

The optical cable joint box has a large support range and strong product universality, reduces the use cost of a user, is supported by two sealing modes, and is convenient to use; secondly, production efficiency is high, and manufacturability is strong, can follow the bottom direction drawing of patterns of advance cable pipe 3, has reduced producer's manufacturing cost, can realize fast production.

The present invention is not limited to the above preferred embodiments, and any person can obtain other products in various forms without departing from the scope of the present invention, but any change in shape or structure is within the scope of protection.

Claims

1. A cable closure, comprising:

the cap comprises a cap barrel (1), wherein an inner cavity is arranged in the cap barrel (1);

the base component (2) is arranged at the bottom of the cap cylinder (1) and seals the inner cavity;

a plurality of cable feeding pipes (3), the cable feeding pipes (3) are arranged at the bottom of the base assembly (2) at intervals, each cable feeding pipe (3) is provided with a thread and a detachable sheet (4), and the position of the thread is configured as follows: the optical cable joint box is not limited by the thin sheet (4) when being demoulded along the bottom direction of the cable inlet pipe (3).

2. A cable closure according to claim 1, wherein: each cable inlet pipe (3) penetrates through the base assembly (2) and is communicated with the inner cavity, inner threads (30) are arranged on the inner wall of one end, far away from the base assembly (2), of each cable inlet pipe (3), a detachable sheet (4) is arranged at one end connected with the base assembly (2), and the sheet (4) separates the cable inlet pipe (3) from the inner cavity.

3. A cable closure according to claim 2, wherein: the optical cable joint box further comprises a plurality of dust-proof pieces, and the dust-proof pieces are respectively arranged at one ends, far away from the base component (2), of the cable inlet pipes (3).

4. A cable closure according to claim 3, wherein: the dustproof piece is in a cover shape and is connected with the cable inlet pipe (3) through threads.

5. A cable closure according to claim 3, wherein: the dustproof piece is sheet-shaped and is detachably connected with the cable inlet pipe (3).

6. A cable closure according to claim 1, wherein: each cable feeding pipe (3) penetrates through the base assembly (2) and is communicated with the inner cavity, external threads (31) are arranged on the outer wall of one end, far away from the base assembly (2), of each cable feeding pipe (3), and a detachable sheet (4) is arranged on the end of each cable feeding pipe.

7. An optical cable closure according to claim 2 or 6, wherein: the cable inlet pipes (3) comprise an oval pipe and a plurality of cylindrical pipes.

8. A cable closure according to claim 7, wherein: the number of the plurality of cylindrical tubes may be 4, 6 or 8.

9. A cable closure according to claim 8, wherein: the cylindrical tubes are symmetrically distributed along the central axis of the elliptical tube.

10. A cable closure according to claim 7, wherein: the height of the cable inlet pipe (3) is 60-80 mm.