CN220232058U - Cap type optical cable joint box - Google Patents

Abstract

The utility model discloses a cap-type optical cable joint box, which relates to the technical field of optical cable joint boxes and comprises a box cap, a box seat, a hoop and an annular sealing ring, wherein the box cap is covered on the box seat, the annular sealing ring is fixedly arranged between the box cap and the box seat, at least one first annular rib is fixedly arranged on the box cap, at least one second annular rib is fixedly arranged on the box seat, the axis of each first annular rib is overlapped with the axis of each second annular rib, the diameters of the first annular rib and the second annular rib are different, and after the hoop is sleeved and locked at the relative position between the box cap and the box seat, the parts of each first annular rib and each second annular rib are embedded into the annular sealing ring. The extrusion of utilizing the staple bolt drives first annular bead and second annular bead and imbeds in the ring seal circle and form multichannel extrusion seal, improves the leakproofness, guarantees the sealed effect under different environment between cap formula optical cable splice box's the box cap and the box seat, extension cap formula optical cable splice box's life.

Description

Cap type optical cable joint box

Technical Field

The utility model relates to the technical field of optical cable splice boxes, in particular to a cap-type optical cable splice box.

Background

The optical cable joint box is used in an optical cable line for communication, is installed in an overhead, pipeline (tunnel), direct burial and other laying mode, realizes that two or more optical cables are connected together, and has a connection part of a protection part, which is one of important equipment which is necessary to be adopted in the engineering construction of the optical cable line, and the quality of the optical cable joint box directly influences the quality and the service life of the optical cable line. The optical cable connector box can be divided into a horizontal optical cable connector box and a cap-type optical cable connector box according to the appearance structure. The cap type optical cable connector box is generally fastened and fixed with the box cap and the box seat through the anchor ear, an annular sealing ring is arranged at the joint of the box cap and the box seat, and the box seat and the box cap are mutually extruded and sealed through anchor ear locking, so that sealing is realized.

Because the crimping contact surfaces of the existing annular sealing ring, the box cap and the box seat are all plane surfaces, the sealing performance of the design basically does not have sealing problems under normal working conditions, but can lead to poor sealing effect under severe working environments such as environments with large temperature change and air pressure change.

Disclosure of Invention

The utility model aims to provide a cap-type optical cable connector box, which solves the problems in the prior art, improves the sealing reliability between a box cap and a box seat, ensures the sealing effect of the cap-type optical cable connector box in different environments and prolongs the service life of the cap-type optical cable connector box.

In order to achieve the above object, the present utility model provides the following solutions:

the utility model provides a cap-type optical cable connector box which comprises a box cap, a box base, anchor clamps and annular sealing rings, wherein the box cap is used for being covered on the box base, the annular sealing rings are fixedly arranged between the box cap and the box base, at least one first annular rib is fixedly arranged on the end face of the box cap, which is used for being attached to the annular sealing rings, at least one second annular rib is fixedly arranged on the end face of the box base, the axis of each first annular rib is coincident with the axis of each second annular rib, the diameters of the first annular rib and the second annular rib are different, the anchor clamps are sleeved on the outer side wall of the covering part of the box cap and the box base, and after the relative positions of the box cap and the box base are locked, the parts, which are close to the annular sealing rings, of each first annular rib and each second annular rib are embedded into the annular sealing rings.

Preferably, the staple bolt includes first semicircle staple bolt body, second semicircle staple bolt body, connecting screw rod and hand screw nut, first semicircle staple bolt body has first end and second end, second semicircle staple bolt body has third end and fourth end, first end with the third end is articulated, fixed the being provided with the fixing base on the second end lateral wall, the logical groove has been seted up on the fixing base, connecting screw rod's one end with the fourth end is articulated, connecting screw rod's the other end can wind it with the articulated axis of fourth end rotates to in the logical groove, hand screw nut with connecting screw rod is followed and is kept away from the direction of fourth end extends the partial threaded connection of logical groove, hand screw nut can make hand screw nut butt is in one side that the fixing base is kept away from the fourth end.

Preferably, the first extending annular plate is fixedly arranged on the outer side wall of one end of the box cap, which is used for covering the box seat, and when the annular sealing ring is positioned between the box cap and the box seat, one end of the first extending annular plate, which is far away from the box cap, can extend to exceed the end face of the box seat, which is used for being attached to the annular sealing ring.

Preferably, the box seat is used for being provided with the second on the one end inside wall that closes with the box cap fixedly and extends the annular sealing ring and be located when the box cap with between the box seat, the second extends the annular sealing ring to be away from the one end of box seat can extend to surpass the box cap is used for laminating the terminal surface of annular sealing ring and extends to inside the box cap.

Preferably, the box cap and the box seat cover form convex ribs with trapezoid cross sections, grooves corresponding to the convex ribs are formed in the inner sides of the anchor ears, and the grooves can drive the box cap and the box seat to move in the direction of extruding the annular sealing ring.

Preferably, the hand-screwed nut is a quincuncial T-shaped nut.

Preferably, the number of the first annular ribs and the number of the second annular ribs are at least 2.

Preferably, the device further comprises a hoop rotating shaft, wherein the first end and the third end are provided with mounting holes, the hoop rotating shaft penetrates through the mounting holes of the first end and the third end, the hoop rotating shaft does not deviate from the mounting holes, and the first end and the third end can rotate around the axis of the hoop rotating shaft.

Preferably, the first annular rib and the second annular rib are sequentially staggered along the diameter direction of the annular sealing ring.

Compared with the prior art, the utility model has the following technical effects:

according to the cap-type optical cable joint box provided by the utility model, under the extrusion action of the anchor ear, the first annular convex rib and the second annular convex rib which can be extruded and embedded into the annular sealing ring are respectively arranged at the joint of the box cap and the box seat so as to improve the sealing effect between the box cap and the box seat, and the first annular convex rib and the second annular convex rib are different in diameter, so that a plurality of extrusion seals are formed, the sealing performance is improved, the sealing effect between the box cap and the box seat of the cap-type optical cable joint box in different environments is ensured, and the service life of the cap-type optical cable joint box is prolonged.

Further, the staple bolt adopts first semicircle staple bolt body and the formation of second semicircle staple bolt body, and relative rotation is closed can realize the locking to box cap and box seat lid department of closing, and its simple structure makes things convenient for the installation of staple bolt, and the fixed handle structure that sets up on the nut is twisted to the hand can be convenient for the operator staff to rotate the locking and loosen the nut is twisted to the hand, need not to use the instrument, realizes exempting from the tool locking operation for the construction progress reduces the manual labor volume.

Further, the first extension annular plate is arranged to be capable of blocking the outer side of the annular sealing ring and used for blocking external impurities from entering the annular sealing ring, so that protection of the annular sealing ring is improved, and the service life of the annular sealing ring is prolonged and guaranteed.

Further, the second extension plate is arranged to facilitate the sleeving of the annular sealing ring, so that the annular sealing ring is fixed when the box cap and the box seat are covered, and the installation speed is improved.

Further, the setting of the bead and the groove with the trapezoid cross section is adopted, and the bead and the groove can extrude and drive the box cap and the box seat to move towards the direction close to the annular sealing ring, so that the extrusion sealing effect is improved.

Furthermore, the hand-screwed nut adopts a plum blossom T-shaped nut, and the parts are common, easy to obtain and low in cost.

Further, the first annular bead and the second annular bead are all adopted 2, and it can form multilayer protection seal, improves sealed effect.

Further, the mode of adopting staple bolt rotation axis and mounting hole realizes the rotation of first annular staple bolt body and second annular staple bolt body and connects, and its connection structure is simple, convenient processing preparation.

Furthermore, the staggered sealing of the upper layer and the lower layer of the annular sealing ring is realized by adopting a mode that the first annular convex edges and the second annular convex edges are mutually staggered, so that the sealing effect is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall structure of a cap-type cable closure provided by the present utility model;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is a schematic view of the junction between the cap and the base of the cap-type cable splice closure of the present utility model;

fig. 4 is a schematic structural view of a hoop in a cap-type cable joint box provided by the utility model.

In the figure: 100-cap-type cable splice closure; 1-a cartridge cap; 11-a first annular rib; 12-a first extension ring plate; 2-a box base; 21-a second annular rib; 22-a second extension ring plate; 3-hoops; 31-a first semicircular hoop body; 32-a second semicircular hoop body; 33-connecting screw rods; 34-hand screwing the nut; 35-grooves; 4-an annular sealing ring; 5-ribs; and 6-a hoop rotating shaft.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model aims to provide a cap-type optical cable connector box, which solves the problems in the prior art, improves the sealing reliability between a box cap and a box seat, ensures the sealing effect of the cap-type optical cable connector box in different environments and prolongs the service life of the cap-type optical cable connector box.

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.

Example 1

The embodiment provides a cap-type optical cable joint box 100, can extensively be applied to outdoor use such as telecommunication operators ' optical cable joint box such as iron tower, telecommunication, UNICOM, broadcast television, as shown in fig. 1-4, including box cap 1, box seat 2, staple bolt 3 and ring seal 4, box cap 1 is used for closing on box seat 2, ring seal 4 is fixed to be set up between box cap 1 and box seat 2, and box cap 1 is used for laminating ring seal 4's terminal surface on the fixed at least one first ring bead 11 that is provided with, box seat 2 is used for laminating ring seal 4's terminal surface on the fixed at least one second ring bead 21 that is provided with, the axis of each first ring bead 11 and the axis coincidence of each second ring bead 21, and the diameter of first ring bead 11 and second ring bead 21 is different, after staple bolt 3 cover is established in the lateral wall of the lid of box cap 1 and the lid position of the lid of box seat 2 and locking between box cap 1 and the box seat 2, the part that is close to ring seal 4 on each first ring bead 11 and each second ring bead 21 is embedded into ring seal 4. Under the extrusion action of the hoop 3, the first annular convex rib 11 and the second annular convex rib 21 which can be embedded into the annular sealing ring 4 in an extrusion mode are respectively arranged at the joint of the box cap 1 and the box seat 2, so that the sealing effect between the box cap 1 and the box seat 2 is improved, the diameters of the first annular convex rib 11 and the second annular convex rib 21 are different, a plurality of extrusion seals are formed, the sealing performance is improved, the sealing effect between the box cap 1 and the box seat 2 of the cap-type optical cable connector box 100 in different environments is guaranteed, and the service life of the cap-type optical cable connector box 100 is prolonged.

Specifically, when the number of the first annular ribs 11 and the second annular ribs 21 is plural, the first annular ribs 11 and the second annular ribs 21 are arranged from inside to outside along the diameter direction of the annular seal ring 4, for example, all the first annular ribs 11 are arranged from inside to outside sequentially, then the second annular ribs 21 are arranged, or all the second annular ribs 21 are arranged first, then the first annular ribs 11 are arranged sequentially, or the first annular ribs 11 and the second annular ribs 21 are arranged in a crossed manner, that is, one or more first annular ribs 11 are arranged first, one or more second annular ribs 21 are arranged second, or the like, or other arrangement modes are arranged.

In the alternative of this embodiment, preferably, as shown in fig. 4, the anchor ear 3 includes a first semicircular anchor ear body 31, a second semicircular anchor ear body 32, a connecting screw 33 and a hand-screwing nut 34, where the first semicircular anchor ear body 31 has a first end and a second end, the second semicircular anchor ear body 32 has a third end and a fourth end, the first end is hinged with the third end, a fixing seat is fixedly provided on the outer side wall of the second end, a through slot is provided on the fixing seat, one end of the connecting screw 33 is hinged with the fourth end, the other end of the connecting screw 33 can rotate to the through slot around its hinge axis with the fourth end, the hand-screwing nut 34 and the connecting screw 33 extend out of the through slot along the direction far away from the fourth end, and the hand-screwing nut 34 can make the hand-screwing nut 34 abut against one side of the fixing seat far away from the fourth end. The staple bolt 3 adopts first semicircle staple bolt body 31 and the formation of second semicircle staple bolt body 32, and relative rotation is closed can realize the locking to box cap 1 and box seat 2 lid department of closing, and its simple structure makes things convenient for staple bolt 3's installation, and the fixed handle structure that sets up on the nut 34 of screwing in hand can be convenient for the operator's staff to rotate locking and loosen the nut 34 of screwing in hand, need not to use the instrument, realizes exempting from the tool locking operation for the construction progress reduces the manual labor volume.

Specifically, in the actual use process, the factory state of the anchor ear 3 is the state that the direct assembly is accomplished, and during the use, only need twist the hand and twist nut 34 can realize the dismantlement of anchor ear 3.

In an alternative of this embodiment, as shown in fig. 2, preferably, a first extending ring plate 12 is fixedly disposed on an outer side wall of one end of the cartridge cap 1, which is used for covering the cartridge seat 2, and when the annular sealing ring 4 is located between the cartridge cap 1 and the cartridge seat 2, one end of the first extending ring plate 12, which is far away from the cartridge cap 1, can extend to beyond an end surface of the cartridge seat 2, which is used for fitting the annular sealing ring 4. The first extension annular plate 12 can block the outside at the ring seal 4 for block external impurity and get into ring seal 4, thereby improve the protection to ring seal 4, extension and assurance ring seal 4's life.

Specifically, the first extension ring plate 12 and the cartridge cap 1 are integrally formed.

In an alternative of this embodiment, as shown in fig. 2, preferably, a second extending ring plate 22 is fixedly disposed on an inner side wall of one end of the box seat 2, which is used for covering the box cap 1, and when the annular sealing ring 4 is located between the box cap 1 and the box seat 2, one end of the second extending ring plate 22, which is far away from the box seat 2, can extend to beyond the end surface of the box cap 1, which is used for fitting the annular sealing ring 4, and extend to the inside of the box cap 1. The second extension plate can be arranged to facilitate the sleeving of the annular sealing ring 4, so that the annular sealing ring 4 is fixed when the box cap 1 and the box seat 2 are covered, and the installation speed is improved.

Specifically, the second extension ring plate 22 and the box base 2 are integrally formed.

In the alternative of this embodiment, preferably, as shown in fig. 3, the covering part of the box cap 1 and the box seat 2 forms a convex rib 5 with a trapezoid cross section, and a groove 35 corresponding to the shape of the rib 5 is provided on the inner side of the anchor ear 3, and the groove 35 can drive the box cap 1 and the box seat 2 to move in the direction of extruding the annular sealing ring 4. The cross section is trapezoidal bead 5 and recess 35's setting is adopted, and it can extrude and drive box cap 1 and box seat 2 and all to be close to the direction removal of ring seal 4, improves extrusion seal effect.

Specifically, the cross section of the convex rib 5 formed at the joint of the box cap 1 and the box seat 2 is trapezoid, and the trapezoid can be isosceles trapezoid, right trapezoid as shown in fig. 3, or other types of trapezoids.

In the alternative of this embodiment, the hand-screwed nut 34 is preferably a quincunx T-nut. The hand-screwed nut 34 adopts a plum blossom T-shaped nut, and the parts are common, easy to obtain and low in cost.

Specifically, the hand-screwed nut 34 may be a quincuncial T-shaped nut, or may be another existing nut type that can be manually screwed, so that the sealing effect can be ensured without tools by matching the sealing structure.

Specifically, the mode of screwing the nut 34 by hand without setting tools can accelerate the construction progress and reduce the labor cost.

In the alternative of this embodiment, as shown in fig. 2, the number of the first annular ribs 11 and the second annular ribs 21 is preferably at least 2. The number of the first annular convex edges 11 and the second annular convex edges 21 is 2, so that a multi-layer protection seal can be formed, and the sealing effect is improved.

In the alternative scheme of this embodiment, more preferably, as shown in fig. 1, the anchor ear 3 further includes an anchor ear rotation shaft 6, the first end and the third end are all provided with mounting holes, the anchor ear rotation shaft 6 is arranged in the mounting holes of the first end and the third end in a penetrating manner, the anchor ear rotation shaft 6 is not separated from the mounting holes, and the first end and the third end can rotate around the axis of the anchor ear rotation shaft 6. The mode of adopting staple bolt rotation axis 6 and mounting hole realizes the rotation of first annular staple bolt 3 body and the second annular staple bolt 3 body and connects, and its connection structure is simple, convenient processing preparation.

Specifically, the hoop rotating shaft 6 may be a bolt and a nut, that is, one end of a threaded rod of the bolt sequentially passes through the mounting holes of the first end and the third end and then is in threaded connection with the nut, and the bolt and the nut are in threaded connection and then can rotate on the bolt relative to the bolt.

In the alternative of this embodiment, as shown in fig. 2, preferably, the first annular bead 11 and the second annular bead 21 are sequentially staggered with each other along the diameter direction of the annular seal ring 4. The staggered sealing of the upper layer and the lower layer of the annular sealing ring 4 is realized by adopting the mode that the first annular convex edges 11 and the second annular convex edges 21 are staggered with each other, so that the sealing effect is improved.

Specifically, one way of staggering the first annular rib 11 and the second annular rib 21 is illustrated, for example, along the diameter direction of the annular seal ring 4, the first annular rib 11, the second annular rib 21, and so on are sequentially arranged from inside to outside.

In particular, the use of such a sealing arrangement as described above enables the sealing protection of cap cable splice closure 100 to be IP68.

The principles and embodiments of the present utility model have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present utility model; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.

Claims (9)

1. A cap-type optical cable joint box, characterized in that: including box cap, box seat, staple bolt and ring seal, the box cap is used for closing on the box seat, ring seal is fixed to be set up the box cap with between the box seat, just the box cap is used for laminating fixedly on ring seal's the terminal surface is provided with at least one first annular bead, the box seat is used for laminating fixedly on ring seal's the terminal surface is provided with at least one second annular bead, each first annular bead's axis and each second annular bead's axis coincidence, just first annular bead with the diameter of second annular bead is different, the staple bolt cover is established the box cap with the lateral wall of box seat's lid department and locking behind the relative position between box cap with the box seat, each first annular bead and each be close to on the second annular bead the part of ring seal all imbeds in the ring seal.

2. The cap-type fiber optic cable splice closure of claim 1, wherein: the anchor ear comprises a first semicircle anchor ear body, a second semicircle anchor ear body, a connecting screw rod and a hand screw nut, the first semicircle anchor ear body is provided with a first end and a second end, the second semicircle anchor ear body is provided with a third end and a fourth end, the first end is hinged with the third end, a fixed seat is fixedly arranged on the outer side wall of the second end, a through groove is formed in the fixed seat, one end of the connecting screw rod is hinged with the fourth end, the other end of the connecting screw rod can rotate to the through groove around the hinge axis of the connecting screw rod and the connecting screw rod extends out of the through groove along the direction away from the fourth end, and the hand screw nut can be manually screwed to enable the hand screw nut to be abutted to one side of the fixed seat away from the fourth end.

3. The cap-type fiber optic cable splice closure of claim 1, wherein: the box cap is used for being provided with first extension annular plate on the one end lateral wall that closes with the box seat lid, ring seal is located the box cap with when the box seat, first extension annular plate is kept away from the one end of box cap can extend to surpass the box seat is used for laminating ring seal's terminal surface.

4. The cap-type fiber optic cable splice closure of claim 1, wherein: the box seat is used for being provided with the second on the one end inside wall that closes with the box cap fixedly extends the annular plate, ring seal is located the box cap with when the box seat, the second extends the annular plate to be kept away from the one end of box seat can extend to surpass the box cap is used for laminating ring seal's terminal surface and extends to inside the box cap.

5. The cap-type fiber optic cable splice closure of claim 1, wherein: the box cap and the box seat cover are formed into convex ribs with the convex parts having trapezoid cross sections, grooves corresponding to the convex ribs are formed in the inner sides of the anchor ears, and the grooves can drive the box cap and the box seat to move in the direction of extruding the annular sealing ring.

6. The cap-type fiber optic cable splice closure of claim 2 wherein: the hand-screwed nut is a plum blossom T-shaped nut.

7. The cap-type fiber optic cable splice closure of claim 1, wherein: the number of the first annular rib and the second annular rib is at least 2.

8. The cap-type fiber optic cable splice closure of claim 2 wherein: still include the staple bolt rotation axis, first end with the mounting hole has all been seted up to the third end, the staple bolt rotation axis wears to establish first end with the third end in the mounting hole just the staple bolt rotation axis does not deviate from the mounting hole, first end with the third end all can be around the axis rotation of staple bolt rotation axis.

9. The cap-type fiber optic cable splice enclosure of claim 7, wherein: the first annular ribs and the second annular ribs are sequentially staggered with each other along the diameter direction of the annular sealing ring.