CN201600475U - Optical Splice Closure - Google Patents

Abstract

The utility model provides an optical cable joint box which comprises an upper cover, a lower cover, at least one optical cable inlet, at least one optical cable outlet and at least one optical cable jumper outlet, wherein the upper cover and the lower cover are combined to define a closed space used for accommodating optical cables therein; at least one optical cable inlet, at least one optical cable outlet and at least one optical cable jumper outlet are positioned at the junction of the outer margins of the upper and the lower covers and defined by the upper cover and the lower cover together, so as to provide the channels, through which a lead-in optical cable enters the optical cable joint box and a lead-out optical cable and an optical cable jumper are led out of the optical cable joint box; and at least one optical cable inlet, at least one optical cable outlet and at least one optical cable jumper outlet are positioned on the same plane. Accordingly, during the encapsulation, the upper cover and the lower cover are closed to achieve the encapsulation of the lead-in optical cable, the lead-out optical cable and the optical cable jumper, thereby simplifying the encapsulation procedure and reducing the encapsulation risk.

Description

Optical Splice Closure

technical field

The utility model relates to the field of optical cable communication equipment, in particular to an optical cable joint box.

Background technique

The known optical cable splice closure is a device for splicing optical fibers. The optical cable is connected to the optical cable splice box from the outside, and after being fused and/or split in the optical cable splice box according to actual needs, it is connected out of the optical cable splice box in the form of an optical cable and/or a jumper cable. Since the thickness and arrangement of the optical cable and the jumper cable are different, the sealing structures for the optical cable and the jumper cable in the cable splice box are also different. In existing optical cable splice enclosures, the optical cable and the jumper optical cable are generally sealed in two different box spaces with different sealing structures.

Fig. 5 shows an example of an existing optical cable splice closure in the prior art, wherein during installation, the optical cable is inserted into the optical cable splice closure from the optical cable inlet 30, and a part of the optical cable is fused from a seal that is suitable for sealing the optical cable. The optical cable outlet 31 of the structure is connected, and another part of the optical cable is connected from the jumper cable outlet 32 which is suitable for sealing the jumper cable after fiber splitting. When sealing, first seal the box where the optical cable is located, and then seal the box where the jumper optical cable is located.

In this optical cable splice closure, the optical cable and the jumper optical cable are respectively sealed in two different boxes with suitable sealing structures, so that targeted and good sealing can be achieved. However, since the optical cable entrance, optical cable exit and jumper optical cable exit are in different planes, they need to be sealed separately, resulting in increased operation steps and sealing risks.

Utility model content

In view of this, the purpose of this utility model is to solve at least one aspect of the above-mentioned problems and defects existing in the prior art.

Accordingly, one of the objectives of the present invention is to provide an optical cable splice closure, which can simplify the sealing operation of the optical cable splice closure and additionally enhance the sealing effect of the optical cable splice closure.

According to an aspect of the present invention, there is provided an optical cable splice box, comprising: an upper cover; a lower cover, the lower cover and the upper cover jointly define a closed space for accommodating optical cables therein; and at least one Optical cable access hole, at least one optical cable outlet hole and at least one jumper cable outlet hole, the at least one optical cable inlet hole, the at least one optical cable outlet hole and the at least one jumper cable outlet hole are located at The junction of the outer edges of the upper cover and the lower cover is jointly defined by the upper cover and the lower cover to provide access to the optical cable into the optical cable splice box and the connection of the outgoing optical cable and the jumper The channel through which the optical cable is led out of the optical cable splice box; wherein the at least one optical cable access hole, the at least one optical cable outlet hole and the at least one jumper optical cable outlet hole are in the same plane.

Further, the optical cable splice box also includes: a sealant for the upper cover, located at the outer edge of the upper cover; and a sealant for the lower cover, located at the outer edge of the lower cover; the sealant for the upper cover and the The lower cover sealant cooperates to seal the at least one optical cable access hole, the at least one optical cable outlet hole, the at least one jumper optical cable outlet hole and the optical cable splice box.

Specifically, the upper cover sealant includes a first upper cover sealant part, a second upper cover sealant part and a third upper cover sealant part; the lower cover sealant includes a first lower cover sealant part, a second upper cover sealant part Two lower cover sealant parts and a third lower cover sealant part; wherein, the first upper cover sealant part cooperates with the first lower cover sealant part for sealing the at least one optical cable access hole and the The access optical cable forms a seal, the second upper cover sealant part cooperates with the second lower cover sealant part to form a seal for the at least one optical cable outlet hole and the outlet optical cable, and the The sealant portion of the third upper cover cooperates with the sealant portion of the third lower cover to form a seal for the at least one jumper cable outlet hole and the jumper cable.

In a specific embodiment, the first upper cover sealant part includes at least one upper groove, and the first lower cover sealant part includes at least one upper concave groove with the first upper cover sealant part. The grooves are one-to-one corresponding to at least one lower groove, so as to form the at least one optical cable access hole through which the access optical cable is inserted into the optical cable splice box.

In a specific embodiment, the second upper cover sealant part includes at least one upper groove, and the second lower cover sealant part includes at least one upper groove with the second upper cover sealant part. The grooves are one-to-one corresponding to at least one lower groove, so as to form the at least one optical cable outlet hole through which the outgoing optical cable is connected to the optical cable splice box.

In a specific implementation manner, the sealant part of the third lower cover includes at least one slot serving as an outlet hole for the jumper optical cable, through which the jumper optical cable is connected out of the optical cable splice box.

Further, the lower cover sealant also includes a connecting sealant part for connecting the first lower cover sealant part, the second lower cover sealant part and the third lower cover sealant part to form a continuous shape. The cable splice closure forms a continuous seal.

More specifically, the optical cable splice box is generally in the shape of a cuboid, the at least one optical cable access hole is located on a first surface of the cuboid, and the at least one optical cable exit hole is located on a second surface opposite to the first surface. The at least one jumper cable outlet hole is located at the third surface perpendicular to the first and second surfaces.

In one embodiment, the optical cable splice box further includes: a locking device, the locking device is located on one side of the outer edges of the upper cover and the lower cover, and is suitable for locking the upper cover and the lower cover. The cover and the lower cover are locked.

Through the optical cable splice closure described in this aspect, since the optical cable access hole, the optical cable outlet hole and the jumper optical cable outlet hole are in the same plane, when sealing, only the upper cover and the lower cover need to be closed, and the sealing can be realized at the same time. Sealing of incoming optical cables, outgoing optical cables and jumper optical cables, thus simplifying sealing operation steps and reducing sealing risks.

Description of drawings

Embodiments of the present utility model are described below by way of example only with reference to the accompanying drawings, wherein corresponding reference numerals in the schematic drawings indicate corresponding components, in the accompanying drawings:

Fig. 1 is a perspective view of an optical cable splice closure according to an embodiment of the present invention, wherein the optical cable splice closure is in an open state;

Fig. 2 is a top view of an optical cable splice closure according to an embodiment of the present invention, wherein the optical cable splice closure is in a closed state, and the locking device is in an unlocked state;

Fig. 3 is the cross-sectional view of the optical cable splice box taken along the line F-F in Fig. 2;

Fig. 4 is the sectional view of the optical cable splice closure taken along line B-B in Fig. 2; And

Fig. 5 is an example of an optical cable splice closure in the prior art.

Detailed ways

The following is a description of the specific implementation of the utility model based on specific examples. Those skilled in the art can easily understand the structure, advantages and effects of the utility model from the content disclosed in the following examples.

The utility model can also be implemented or applied by other different specific examples, and various modifications and changes can be made to the details in this specification based on different viewpoints and applications without departing from the creative spirit of the utility model.

Furthermore, the following drawings are all simplified schematic diagrams, and only illustrate the basic idea of the utility model in a schematic manner, so only the components related to the utility model are shown in the drawings rather than the number and shape of components in actual implementation. and size drawing, the type, quantity and proportion of each component can be changed at will during actual implementation, and the layout of the components may be more complex.

As shown in FIGS. 1-4 , an optical cable splice closure 1 according to an embodiment of the present invention includes an upper cover 2 and a lower cover 3 . The upper cover 2 and the lower cover 3 jointly define a closed space for accommodating optical cables therein. The optical cable splice closure 1 also includes at least one optical cable entry hole (not shown), at least one optical cable exit hole 4 and at least one jumper optical cable exit hole 5 . At least one cable access hole, at least one cable outlet hole 4 and at least one jumper cable outlet hole 5 are located at the junction of the outer edges of the upper cover 2 and the lower cover 3, and are jointly defined by the upper cover 2 and the lower cover 3 It is formed to provide a channel for the access optical cable 10 to enter the optical cable splice closure 1 and for the outgoing optical cable 11 and the jumper optical cable 12 to be drawn out of the optical cable splice enclosure 1 . At least one optical cable access hole, at least one optical cable outlet hole 4 and at least one jumper optical cable outlet hole 5 are in the same plane. Therefore, when sealing, only the upper cover 2 and the lower cover 3 need to be closed, and the sealing of the incoming optical cable 10, the outgoing optical cable 11 and the jumper optical cable 12 can be realized at the same time, thereby simplifying the sealing operation steps and reducing the sealing risk .

Referring to FIG. 1 , the optical cable splice closure 1 further includes an upper cover sealant 6 and a lower cover sealant 7 . The upper cover sealant 6 is located at the outer edge of the upper cover 2 , and the lower cover sealant 7 is located at the outer edge of the lower cover 3 . The upper cover sealant 6 and the lower cover sealant 7 cooperate with each other to seal at least one optical cable access hole (not shown in the figure), at least one optical cable outlet hole 4, at least one jumper optical cable outlet hole 5 and optical cable connector box 1. The number of optical cable access holes, optical cable outlet holes 4, and jumper cable outlet holes 5 varies according to the specific application requirements of the optical cable splice box 1, and it is set to be suitable for the number of main optical cables and jumper optical cables. Appropriate quantity. Referring to Figures 3-4, in one embodiment, the number of optical cable outlet holes 4 is 3, the number of jumper optical cable outlet holes 5 is 8, and the shape and number of optical cable access holes can be matched with the number of optical cable access holes. Outlet 4 is substantially the same. Furthermore, the sealant can be made of an elastic material such as rubber or synthetic rubber. Of course, materials that can play a sealing role in the art can also be used to make the sealant.

The upper cover sealant 6 includes a first upper cover sealant part 61 , a second upper cover sealant part 62 and a third upper cover sealant part 63 . The lower cover sealant 7 includes a first lower cover sealant part 71 , a second lower cover sealant part 72 and a third lower cover sealant part 73 . The first upper cover sealant part 61 cooperates with the first lower cover sealant part 71 to seal the optical cable access hole (not shown) and the access optical cable 10 . The second upper cover sealant part 62 cooperates with the second lower cover sealant part 72 to seal the optical cable outlet hole 4 and the outlet optical cable 11 . The third upper cover sealant part 63 cooperates with the third lower cover sealant part 73 to seal the jumper cable outlet hole 5 and the jumper cable 12 .

As shown in FIG. 1 , the first upper cover sealant portion 61 includes at least one upper groove 61a. The first lower cover sealant part 71 includes at least one lower groove 71a corresponding to at least one upper groove 61a of the first upper cover sealant part 61 one-to-one, thereby forming the at least one optical cable access hole, and accessing the optical cable 10 is connected to the optical cable splice box 1 through it.

The second upper cover sealant part 62 includes at least one upper groove 62a. The second lower cover sealant part 72 includes at least one lower groove 72a one-to-one corresponding to at least one upper groove 62a of the second upper cover sealant part 62, thereby forming at least one optical cable outlet hole 4, and the optical cable 11 is connected. The optical cable splice box 1 is connected therethrough.

The third lower cover sealant part 73 includes at least one slot 73a serving as the outlet hole 5 for the jumper cable, through which the jumper cable 12 is connected out of the cable splice box 1 .

Through the above structure, the sealing of different structures is provided for the cable access hole, the cable outlet hole 4 and the jumper cable outlet hole 5 and the corresponding access cable 10, the outlet cable 11 and the jumper cable 12 in the same plane. , where the first and second upper cover sealant parts with grooves and the first and second lower cover sealant parts with grooves are provided for the relatively large-sized incoming optical cable 10 and outgoing optical cable 11, and for The jumper optical cable 12 with a relatively small size is provided with a third upper cover sealant part and a third lower cover sealant part with slots. In this way, good sealing of optical cables of different thicknesses and arrangements and jumper optical cables can be achieved in the same plane in the optical cable splice closure.

The lower cover sealant 7 also includes a connecting sealant portion 74 for connecting the first lower cover sealant portion 71, the second lower cover sealant portion 72 and the third lower cover sealant portion 73 to form a continuous shape, for The cable splice closure 1 forms a continuous seal. The continuous shape may be any shape consistent with the shape of the cable splice closure, such as a rectangular shape.

As shown in FIG. 2 , the optical cable splice closure 1 is generally in the shape of a cuboid. The optical cable access hole is located on the first surface 1a of the cuboid, the optical cable outlet hole 4 is located on the second surface 1b opposite to the first surface 1a, and the jumper optical cable outlet hole 5 is located on the first and second surfaces. 1a and 1b are both perpendicular to the third surface 1c. However, those skilled in the art can understand that the jumper optical cable outlet hole 5 can also be located on the second surface 1b, which is on the same surface as the optical cable outlet hole 4 .

The optical cable splice closure 1 according to the embodiment of the present utility model further includes a locking device 20 . The locking device 20 is located on one side of the outer edges of the upper cover 2 and the lower cover 3 , and is suitable for locking the upper cover 2 and the lower cover 3 . The locking device 20 may be in the form of a buckle or the like.

The above-mentioned embodiments of the utility model only illustrate the principle of the utility model and its effects, and are not intended to limit the utility model. Those skilled in the art should understand that without departing from the spirit and scope of the utility model Under the circumstances, any changes and improvements made to the utility model are within the scope of the utility model. The protection scope of the rights of the utility model shall be as defined in the scope of patent application of the present application.

Claims (9)

1. An optical cable splice box, comprising: cover; a lower cover, wherein the lower cover and the upper cover jointly define a closed space for accommodating optical cables therein; and At least one optical cable access hole, at least one optical cable outlet hole and at least one jumper cable outlet hole, the at least one optical cable inlet hole, the at least one optical cable outlet hole and the at least one jumper cable outlet The hole is located at the junction of the outer edges of the upper cover and the lower cover, and is jointly defined by the upper cover and the lower cover, so as to provide the access optical cable to enter the optical cable splice box and the outgoing optical cable and the passage through which the jumper optical cable leads out of the optical cable splice box; It is characterized by: The at least one optical cable inlet hole, the at least one optical cable outlet hole and the at least one jumper optical cable outlet hole are in the same plane. 2. The optical cable splice closure according to claim 1, further comprising: lid sealant at the outer edge of said lid; and The lower cover sealant is located at the outer edge of the lower cover; The sealant for the upper cover and the sealant for the lower cover cooperate with each other to seal the at least one optical cable access hole, the at least one optical cable outlet hole, the at least one jumper optical cable outlet hole, and the optical cable Splice box. 3. The optical cable splice closure according to claim 2, characterized in that, The upper cover sealant includes a first upper cover sealant part, a second upper cover sealant part and a third upper cover sealant part; The lower cover sealant includes a first lower cover sealant part, a second lower cover sealant part and a third lower cover sealant part; Wherein, the sealant part of the first upper cover cooperates with the sealant part of the first lower cover to form a seal for the at least one optical cable access hole and the access optical cable, and the sealant part of the second upper cover Partly cooperates with the sealant part of the second lower cover to form a seal for the at least one optical cable outlet hole and the outlet optical cable, and the sealant part of the third upper cover is sealed with the third lower cover The glue portion cooperates to form a seal between the at least one jumper cable outlet hole and the jumper cable. 4. The optical cable splice closure according to claim 3, wherein: The first upper cover sealant part includes at least one upper groove, and the first lower cover sealant part includes at least one lower groove one-to-one corresponding to the at least one upper groove of the first upper cover sealant part. groove, so as to form the at least one optical cable access hole, through which the access optical cable is inserted into the optical cable splice box. 5. The optical cable splice closure according to claim 3, wherein: The second upper cover sealant part includes at least one upper groove, and the second lower cover sealant part includes at least one lower groove one-to-one corresponding to the at least one upper groove of the second upper cover sealant part. groove, so as to form the at least one optical cable outlet hole, through which the outgoing optical cable is connected to the optical cable splice box. 6. The optical cable splice closure according to claim 3, characterized in that, The sealant part of the third lower cover includes at least one slot serving as an exit hole for the jumper optical cable, through which the jumper optical cable is connected out of the optical cable splice box. 7. The optical cable splice closure according to claim 3, characterized in that, The lower cover sealant also includes a connecting sealant part for connecting the first lower cover sealant part, the second lower cover sealant part and the third lower cover sealant part to form a continuous shape for the optical cable The splice box forms a continuous seal. 8. The optical cable splice closure according to claim 1, characterized in that: The optical cable splice box is in the shape of a cuboid, The at least one optical cable access hole is located at the first surface of the cuboid, the at least one optical cable exit hole is located at the second surface opposite to the first surface, and the at least one jumper optical cable exits The holes are located on the third surface perpendicular to the first and second surfaces. 9. The optical cable splice closure according to claim 1, further comprising: A locking device, the locking device is located on one side of the outer edges of the upper cover and the lower cover, and is suitable for locking the upper cover and the lower cover.

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