CN218412964U - Annular optical fiber fusion splicing protection device - Google Patents

Abstract

The utility model relates to an optic fibre technical field just discloses an annular optical fiber fusion splicing protection device, including the base, be provided with the apron on the base, form between base and the apron and accomodate the chamber, the face of cylinder through type of base has seted up the line hole. According to the annular optical fiber fusion welding protection device, the plurality of arc-shaped bosses and the plurality of cracks are arranged in the base, so that the optimal placement position of the fusion welding pipe can be selected according to the lengths of armored optical cables at two ends of the fusion welding pipe after fusion welding; the armored optical cable is wound by the arc-shaped boss and then led out, so that signal attenuation caused by overlarge bending radius of the optical fiber can be effectively reduced; the armored optical cable in the line hole is firmly fixed through the screw, so that the fragile part of the spliced optical fiber is completely placed in the protection device, the inside and the outside are separated, the condition that the optical fiber in the spliced pipe is easily broken due to the fact that the armored optical cable is axially stretched under the action of external force to cause optical fiber signal attenuation is avoided, and the effects of simple and convenient multiple protection and storage are achieved.

Description

Annular optical fiber fusion splicing protection device

Technical Field

The utility model relates to an optical fiber technology field specifically is an annular optical fiber fusion splicing protection device.

Background

In recent years, the field of application of optical fiber cables for communication has become more common, optical fiber cables for communication are required for connection of cable televisions, computer networks, various optical sensors (e.g., fiber grating sensors), and the like, and the optical fiber cables should be connected in order to meet different environments and requirements.

The traditional optical fiber cable connection part is generally protected by adopting the fusion splicing pipe singly, the poor protection performance of the traditional optical fiber cable is easy to cause the conditions of obvious optical fiber signal attenuation or interruption and the like caused by stress bending or fracture of optical fibers in the fusion splicing pipe at the connection part, and the annular optical fiber fusion splicing protection device is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an annular optical fiber fusion splicing protection device possesses advantages such as simple and convenient multiple protection, has solved traditional optical fiber cable and has connected the position and generally singly adopt the fusion pipe to protect, and the relatively poor fusion pipe inside optic fibre atress that easily leads to connecting the position of its barrier propterty is crooked or the fracture causes the obvious or problem of interrupt of optical fiber signal attenuation.

(II) technical scheme

For the purpose of realizing above-mentioned simple and convenient multiple protection, the utility model provides a following technical scheme: the utility model provides an annular optical fiber fusion splicing protection device, the on-line screen storage device comprises a base, be provided with the apron on the base, form between base and the apron and accomodate the chamber, the face of cylinder run-through of base has seted up the line hole, the downthehole armor optical cable that has been set up in the line, the joint part of armor optical cable is provided with the welded tube, still include that quantity is no less than two bosss, the boss sets up on the base, form the crack between two adjacent bosss, the crack is used for pressing from both sides tightly and fixed welded tube both ends, be provided with the screw that extends to the downthehole screw along its radial surface on the base, the screw is used for compressing tightly and fixing the downthehole armor optical cable of line.

Preferably, the cracks are distributed in the base symmetrically according to the plane of the axis of the base.

Preferably, the boss is an arc-shaped plate, and the arc-shaped surface of the boss is concentric and coaxial with the circular cross section of the base.

(III) advantageous effects

Compared with the prior art, the utility model provides an annular optical fiber fusion splicing protection device possesses following beneficial effect:

according to the annular optical fiber fusion welding protection device, the plurality of arc-shaped bosses and the plurality of cracks are arranged in the base, so that the optimal placement position of the fusion welding pipe can be selected according to the lengths of armored optical cables at two ends of the fusion welding pipe after fusion welding; the armored optical cable is wound by the arc-shaped boss and then led out, so that signal attenuation caused by overlarge bending radius of the optical fiber can be effectively reduced; through the armor optical cable of screw in the wire hole firmly fixed to all place the fragile part behind the optical fiber fusion splices in protection device, realize inside and outside separation, avoid the armor optical cable to receive the exogenic action axial tension and lead to the inside optic fibre atress of fusion splices easy fracture to cause the condition of optical signal decay to take place, reach the effect of simple and convenient multiple protection and accomodating.

Drawings

Fig. 1 is an exploded view of a ring-shaped optical fiber fusion splice protector according to the present invention;

fig. 2 is a structural front view of an annular optical fiber fusion splice protector according to the present invention;

fig. 3 is a left side view of the structure of the annular optical fiber fusion splicing protection device provided by the present invention.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, an annular optical fiber fusion welding protection device comprises a base 1, a cover plate 2 is movably mounted on the base 1 through a screw, a circular groove is formed in the base 1, a containing cavity is formed between the circular groove and the cover plate 2, a wire hole 3 is formed in a cylindrical surface of the base 1 in a penetrating mode, an armored optical cable 4 penetrates through the base 1 through the wire hole 3, a fusion welding pipe 5 is fixedly mounted at a connecting part of the armored optical cable 4, the annular optical fiber fusion welding protection device further comprises at least two bosses 6, the bosses 6 are fixedly mounted in an annular groove of the base 1, a clamping seam 7 is formed between every two adjacent bosses 6, the clamping seam 7 is used for carrying out extrusion type clamping and fixing on two ends of the fusion welding pipe 5, a screw 8 extending into the wire hole 3 and abutting against the armored optical cable 4 is in the wire hole 3 in a threaded mode along a radial surface of the base 1, and the screw 8 is used for compressing and fixing the armored optical cable 4 in the wire hole 3; splice pipe 5 on 4 connection portions of armor optical cable carries out the joint and presss from both sides tightly through crack 7 between two adjacent bosss 6, avoid 5 inside optic fibre of splice pipe to take place to buckle the condition emergence that easy fracture caused the fiber signal decay, rethread screw 8 compresses tightly and fixes the armor optical cable 4 in the line hole 3, avoid armor optical cable 4 receive the exogenic action axial stretch or twist reverse and lead to 5 inside optic fibre atress of splice pipe easily to fracture the condition emergence that causes the fiber signal decay, accomodate 5 both ends surplus armor optical cable 4 through the chamber of accomodating between base 1 and the apron 2 at last, reach simple and convenient multiple protection and the effect of accomodating.

Preferably, be the symmetric distribution through crack 7 with 1 axial lead place plane of base in base 1, thereby make crack 7 to fusion bonding pipe 5 clamp tightly in-process, the central line of fusion bonding pipe 5 is the straight line all the time, avoid the inside optic fibre of fusion bonding pipe 5 to receive the condition emergence that bending stress easily cracked and cause the optical fiber signal decay, simultaneously because the quantity of boss 6 is no less than two, the quantity of crack 7 is no less than two promptly, carry out fixed position in the crack 7 that is the symmetry with 1 axial lead place plane of base in the difference through changing fusion bonding pipe 5, and then adjust 5 both ends of fusion bonding pipe remaining armor optical cable 4 for the interval of line hole 3, effectively reduce armor optical cable 4 at the inside bend radius of base 1, the barrier propterty of this optical fiber fusion bonding protection device has further been improved.

Preferably, be the arc through boss 6, and the arcwall face of boss 6 is concentric coaxial with base 1's circular cross-section, make 5 remaining armor optical cables 4 in both ends of welded pipe be convenient for carry out annular spiral winding between boss 6 periphery and base 1 or boss 6 inboards, the arc that utilizes boss 6 leads and spacing in the face of 4 crooked positions of armor optical cable, further reduced 5 remaining armor optical cables 4 in the inside bending radius of base in both ends of welded pipe, realize simple and convenient multiple protection and the effect of accomodating.

When the device is used, connecting screws between the base 1 and the cover plate 2 are unscrewed, armored optical cables 4 to be fixed and the fusion welding pipe 5 penetrate through the base 1 and extend out through the wire holes 3, then, the two ends of the fusion welding pipe 5 are clamped and fixed through the seams 7 which are symmetrical to the plane where the axis of the base 1 is located according to the length of the residual armored optical cables 4 at the two ends of the fusion welding pipe 5, the residual armored optical cables 4 at the two ends of the fusion welding pipe 5 are annularly and spirally wound between the periphery of the lug boss 6 and the base 1 or on the inner side of the lug boss 6, the armored optical cables 4 in the wire holes 3 are fixed through the screwing screws 8, the situation that optical fibers in the fusion welding pipe 5 are easily broken due to stress of the armored optical cables 4 under the action of external force to cause optical fiber signal attenuation is avoided, and finally, the effect of simple and convenient multiple protection and storage is achieved by screwing the connecting screws between the base 1 and the cover plate 2.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (3)

1. The utility model provides an annular optical fiber fusion splicing protection device, includes base (1), is provided with apron (2) on base (1), forms between base (1) and apron (2) and accomodates the chamber, and line hole (3) have been seted up to the face of cylinder run-through of base (1), has set up in line hole (3) armor optical cable (4), and the junction of armor optical cable (4) is provided with fusion pipe (5), its characterized in that: boss (6) of two are no less than still including quantity, boss (6) set up on base (1), form crack (7) between two adjacent boss (6), crack (7) are used for pressing from both sides tight and fixed to welded pipe (5) both ends, are provided with screw (8) that extend to in line hole (3) along its radial surface on base (1), and screw (8) are used for compressing tightly and fixing armor optical cable (4) in line hole (3).

2. An annular optical fiber fusion splice protector according to claim 1, further comprising: the crack (7) is distributed symmetrically in the base (1) according to the plane of the axial lead of the base (1).

3. The annular optical fiber fusion-splicing protection device according to claim 1, wherein: the boss (6) is an arc-shaped plate, and the arc-shaped surface of the boss (6) is concentric and coaxial with the circular cross section of the base (1).

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