CN209858810U - Optical cable reinforced core fixing device - Google Patents

Abstract

The utility model discloses a core fixing device is strengthened to optical cable, reserve the cable body that has the enhancement core in the middle of with establish the box body that the cavity is the cuboid structure in, the bottom inner wall of box body is provided with the decurrent bow-shaped board of opening, and the top of bow-shaped board is close to both ends and has all opened the mounting hole, and all welds in two mounting holes and establish the fixed cassette that the cavity is cylindrical structure, the top of fixed cassette and the equal joint in bottom have the internal thread pipe, and the spiro union has same root auto-lock screw rod between two internal thread pipes, and the both ends of auto-lock screw rod are provided with hexagon head and disc piece respectively, and the circumference outer wall of disc piece rotates and is connected with. The utility model discloses can be S form winding with the reinforcement core on adjacent nose bar, avoid traditional volume to connect and need twist into the twist form with the vice for the reinforcement core, waste time and hard, this kind of mode has not only improved butt joint efficiency but also makes the reinforcement core need not the fifty percent discount angle too big.

Description

Optical cable reinforced core fixing device

Technical Field

The utility model relates to an optical cable joint box technical field especially relates to an optical cable reinforced core fixing device.

Background

The optical cable joint box is a connection protection device which connects two or more optical cables together and provides optical, sealing and mechanical strength continuity for adjacent optical cables, and is mainly suitable for straight-through and branch connection of laying modes of aerial, pipeline, direct burial and the like of optical cables with various structures. The existing optical cable joint box comprises an upper shell and a lower shell arranged below the upper shell, wherein the upper shell and the lower shell are fixedly connected together through a screw. And an optical cable reinforced core fixing device is arranged in the cavity surrounded by the upper shell and the lower shell.

The existing optical cable reinforced core fixing device comprises a base and an installation column arranged on the base, before the optical cable reinforced core is fixed, an operator firstly fixes and sets the installation column on the base through a screw, during specific installation, the operator penetrates the screw from the outer side surface of the upper shell to the upper shell and is in threaded connection with the installation column, the installation process is complex, and therefore the installation efficiency of the optical cable joint box is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an optical cable reinforced core fixing device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a core fixing device is strengthened to optical cable, includes that the middle reservation has the cable body of strengthening the core and establishes the box body that the cavity is the cuboid structure in with, the bottom inner wall of box body is provided with the decurrent bow-shaped board of opening, and the top of bow-shaped board is close to both ends and has all opened the mounting hole, and all welds in two mounting holes and establish the fixed cassette that the cavity is cylindrical structure, the top of fixed cassette and the equal joint in bottom have the internal thread pipe, and the spiro union has same root auto-lock screw rod between two internal thread pipes, and the both ends of auto-lock screw rod are provided with hexagon head and disc piece respectively, and the circumference outer wall of disc piece rotates and is connected with the snap.

Preferably, a supporting plate is arranged on the inner wall of the bottom of the box body and is close to the position right below the pressing plates, and the length of the supporting plate is larger than the distance between the two pressing plates.

Preferably, the lower surface of the pressing plate is provided with convex rods distributed in an equidistance staggered manner, and jacks matched with the convex rods are formed in the upper surface of the pressing plate, close to the positions right below the convex rods.

Preferably, the lower surface of the pressing plate is reserved with bumps distributed equidistantly, and the height of the bumps is less than one tenth of the height of the protruding rods.

Preferably, the upper surface of clamp plate is close to the equipartition in the edge and has four to six round bars, and the inner wall of mounting hole is opened near the round bar directly over has the trepanning that forms sliding connection with the round bar.

Preferably, the two opposite ends of the box body are provided with wire holes matched with the outer diameter of the cable body, and the inner wall of the bottom of the box body close to the wire holes is provided with wire pressing snap rings matched with the outer diameter of the cable body.

Preferably, a plug hole is formed in the top end of the box body and is close to the right upper part of the hexagonal head, and a waterproof plug is plugged in the plug hole.

Compared with the prior art, the utility model provides an optical cable reinforced core fixing device possesses following beneficial effect:

1. through setting up the nose bar at the clamp plate lower surface to can be S form winding on adjacent nose bar with strengthening the core, avoid traditional joint need with strengthening the core with the vice twist into the twist form, waste time and hard, this kind of mode has not only improved butt joint efficiency but also makes the strengthening core need not the fifty percent discount angle too big, has guaranteed the intensity of strengthening the core.

2. Through the lug that sets up at the clamp plate lower surface, the drive of cooperation auto-lock screw rod makes the clamp plate push down to can increase the lower surface of clamp plate and strengthen the frictional force between the core surface, make the upper surface at the layer board of fixing more stably of strengthening the core.

3. Through the equidirectional internal thread pipe that sets up at fixed cassette top and bottom, not only can drive the auto-lock screw rod and reciprocate, can prevent moreover that the bottom atress of auto-lock screw rod from upwards producing the roaming, guaranteed that the clamp plate can tightly press the upper surface at the layer board.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses simple structure presss from both sides tight effectual and the installation of being convenient for.

Drawings

Fig. 1 is a schematic cross-sectional structural view of an optical cable reinforced core fixing device provided by the present invention;

fig. 2 is a schematic perspective view of a cambered plate of the optical cable reinforced core fixing device provided by the present invention;

fig. 3 is an enlarged schematic structural view of a position a in fig. 1 of the optical cable reinforced core fixing device provided by the utility model.

In the figure: 1-box body, 2-round rod, 3-supporting plate, 4-jack, 5-pressing plate, 6-convex rod, 7-arc plate, 8-line hole, 9-line pressing snap ring, 10-reinforcing core, 11-snap ring, 12-self-locking screw, 13-internal thread pipe, 14-waterproof plug, 15-fixing clamp seat, 16-mounting hole and 17-ball.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1-3, an optical cable reinforced core fixing device, including the middle cable body that has reinforced core 10 in advance and interior box body 1 that establishes the cavity and be the cuboid structure, the bottom inner wall of box body 1 is provided with bow-shaped board 7 that the opening is decurrent, and the top of bow-shaped board 7 is close to both ends and all opens mounting hole 16, and all welds in two mounting holes 16 and establishes the fixed cassette 15 that the cavity is cylindrical structure, the top and the equal joint in bottom of fixed cassette 15 have internal thread pipe 13, and the spiro union has same root self-locking screw 12 between two internal thread pipes 13, and the both ends of self-locking screw 12 are provided with hexagon head and disc piece respectively, and the circumference outer wall of disc piece rotates and is connected with snap ring 11, and the bottom of snap ring 11 is fixed with.

The utility model discloses in, be provided with layer board 3 under the bottom inner wall of box body 1 is close to clamp plate 5, and the length of layer board 3 is greater than the distance between two clamp plates 5.

Wherein, the lower surface of clamp plate 5 is provided with the protruding pole 6 that the equidistance was crisscross to be distributed, and open the jack 4 that has 6 looks adaptations with protruding pole under the upper surface of clamp plate 5 is close to protruding pole 6, thereby can be the winding of S form on adjacent protruding pole 6 with strengthening core 10, avoided traditional volume joint need with strengthening core 10 and twist into the twist form with the vice, it is hard again to waste time, this kind of mode has not only improved butt joint efficiency but also makes strengthening core 10 need not the fifty percent discount angle too big, the intensity of strengthening core 10 has been guaranteed.

The lower surface of the pressure plate 5 is reserved with bumps distributed equidistantly, and the height of the bumps is less than one tenth of the height of the protruding rods 6, so that the friction force between the lower surface of the pressure plate 5 and the surface of the reinforcing core 10 can be increased.

Wherein, the upper surface of clamp plate 5 is close to the edge equipartition and has four to six round bars 2, and opens directly over the inner wall of mounting hole 16 is close to round bar 2 has the trepanning that forms sliding connection with round bar 2 to guaranteed to keep the horizontality all the time when clamp plate 5 reciprocates, the lower surface of clamp plate 5 still joint has ball 17, reduces frictional force.

Example 2

Referring to fig. 1-3, a core fixing device is strengthened to optical cable, this embodiment compares in embodiment 1, still includes that box body 1 relative both ends all open the line hole 8 with cable body external diameter looks adaptation, and the bottom inner wall of box body 1 is close to line hole 8 department and all is provided with the line pressing collar 9 with cable body external diameter looks adaptation.

Wherein, the top of box body 1 is opened with the consent near the right top of hexagon head, and adds in the consent and has filled waterproof plug 14.

The working principle is as follows: when in use, the self-locking screw 13 is loosened to draw the convex rod 6 out of the jack 4 on the upper surface of the supporting plate 3, then the reinforced core 10 to be fixed is coiled on the circumferential outer wall of the convex rod 6 in an S shape, then the hexagonal head at the top end of the self-locking bolt 12 is screwed reversely, and the pressing plate 5 is driven to slowly descend to tightly extrude the reinforced core 10 on the upper surface of the supporting plate 3; when the maintenance is needed, the compression degree can be checked only by pulling out the waterproof plug 14 in the plug hole at the top end of the box body 1 and forcibly screwing the hexagonal head at the top end of the self-locking bolt 12.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. The utility model provides an optical cable reinforcement core fixing device, includes that the centre is reserved has the cable body of strengthening core (10) and establishes box body (1) that the cavity is the cuboid structure in with, its characterized in that, the bottom inner wall of box body (1) is provided with downwards bow-shaped board (7) of opening, and the top of bow-shaped board (7) is close to both ends and all opens mounting hole (16), and all welds in two mounting holes (16) and establish fixed cassette (15) that the cavity is cylindrical structure in, the top and the equal joint in bottom of fixed cassette (15) have internal thread pipe (13), and the spiro union has same root auto-lock screw rod (12) between two internal thread pipe (13), and the both ends of auto-lock screw rod (12) are provided with hexagon head and disc piece respectively, and the circumference outer wall of disc piece rotates and is connected with snap ring (11), and the bottom of snap ring (11) is.

2. An optical cable reinforced core fixing device according to claim 1, wherein a supporting plate (3) is arranged on the inner wall of the bottom of the box body (1) close to the position right below the pressing plate (5), and the length of the supporting plate (3) is greater than the distance between the two pressing plates (5).

3. An optical cable reinforced core fixing device according to claim 2, wherein the lower surface of the pressure plate (5) is provided with protruding rods (6) distributed in an equidistant and staggered manner, and the upper surface of the pressure plate (5) is provided with insertion holes (4) matched with the protruding rods (6) under the portions, close to the protruding rods (6).

4. An optical cable core-reinforcing fixing device according to claim 3, wherein the lower surface of the pressure plate (5) is reserved with equidistantly distributed projections, and the height of the projections is less than one tenth of the height of the protruding rod (6).

5. The optical cable reinforced core fixing device according to claim 1, wherein four to six round rods (2) are uniformly distributed on the upper surface of the pressing plate (5) near the edge, and sleeve holes forming sliding connection with the round rods (2) are formed in the inner wall of the mounting hole (16) near the upper part of the round rods (2).

6. An optical cable reinforced core fixing device according to claim 1, wherein the box body (1) is provided with wire holes (8) at two opposite ends, and the inner wall of the bottom of the box body (1) near the wire holes (8) is provided with wire clamping rings (9) adapted to the outer diameter of the cable body.

7. An optical cable reinforced core fixing device according to claim 1, wherein a plug hole is formed at the top end of the box body (1) close to the right upper part of the hexagonal head, and a waterproof plug (14) is plugged in the plug hole.