CN217007749U

CN217007749U - Optical fiber fusion splice tray and fusion splice tray assembly

Info

Publication number: CN217007749U
Application number: CN202220258920.3U
Authority: CN
Inventors: 虞华春; 李平武; 赖群杰
Original assignee: Ningbo Gmf Telecom Technology Co ltd
Current assignee: Ningbo Gmf Telecom Technology Co ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-07-19
Anticipated expiration: 2032-01-25

Abstract

The utility model relates to the technical field of optical cables and discloses an optical fiber fusion splice tray and a fusion splice tray assembly, wherein the optical fiber fusion splice tray comprises: the fiber drawing machine comprises a tray body, wherein convex edges and partition plates are arranged on the tray body at intervals, and a first fiber penetrating channel is arranged between the convex edges and the partition plates; the peripheral wall is arranged on the tray body and is arranged around the circumference of the convex edge, and a second fiber penetrating channel is arranged between the peripheral wall and the partition board; and the peripheral wall is provided with a connecting shaft; the clamping plates are arranged at one end, far away from the connecting shaft, of the tray body and are arranged in the second fiber penetrating channel; a fiber clamping groove is formed between two adjacent clamping plates. The optical fiber fusion splice tray has the advantages that the clamping plate of the optical fiber fusion splice tray is arranged at the edge of the tray body and is far away from the connecting shaft, so that two optical fibers entering from the first optical fiber inlet and the second optical fiber inlet can be conveniently clamped into the clamping groove after fusion splicing, the bending radius of the optical fibers is improved, and the optical fibers are prevented from being broken; and the front and back of the tray body can be wound with optical fibers, so that the optical fibers can be wound conveniently, and the optical fibers are prevented from being damaged due to being exposed outside.

Description

Optical fiber fusion splice tray and fusion splice tray assembly

Technical Field

The utility model relates to the technical field of optical cables, in particular to an optical fiber fusion splice tray and a fusion splice tray assembly.

Background

In order to facilitate construction operation and ensure safe installation of cables, the optical fiber junction box is more and more frequently found in construction sites of various communication industries, and the fusion splice tray is an essential component in the optical fiber junction box. The fusion splice tray is a tool for coiling and placing redundant fiber cores when an optical cable is connected (commonly called as a joint), is generally fixed in the middle of an optical cable terminal box and is an important component of an optical cable unit box. With the development of communication industry, the capacity of optical fibers is larger and larger, the requirements on optical fiber unit boxes in the optical cable unit boxes are higher and higher, and the requirements on multi-core fusion splice trays are larger and larger. The fusion splice tray can be used for connecting each optical cable and each optical fiber at will, and the end parts of the two optical fibers after fusion splicing are clamped into the small grooves of the fusion splice tray.

In the existing fusion splice tray, a small groove for placing the end part of an optical fiber is usually arranged in the middle of the fusion splice tray, and redundant optical fibers are arranged around the small groove, namely when the end part of the optical fiber is clamped in the small groove, the bending radius of the optical fiber is smaller and the optical fiber is easy to break; and the distance between part of the small grooves and the articulated shaft on the fusion splice tray is smaller, so that the optical fiber is inconvenient to install.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned shortcomings of the prior art, the present invention provides an optical fiber fusion splice tray and a fusion splice tray assembly that are convenient for fusion splicing of optical fibers and preventing breakage of optical fibers.

The technical scheme adopted by the utility model for solving the technical problem is to provide an optical fiber fusion splice tray, which comprises:

the fiber drawing machine comprises a tray body, wherein convex edges and partition plates are arranged on the tray body at intervals, and a first fiber penetrating channel is arranged between the convex edges and the partition plates;

the peripheral wall is arranged on the tray body and is arranged around the circumference of the convex edge, and a second fiber passing channel is arranged between the peripheral wall and the partition plate; and the peripheral wall is provided with a connecting shaft;

the clamping plates are arranged at one end, far away from the connecting shaft, of the tray body and are arranged in the second fiber penetrating channel; and a clamping fiber groove is formed between every two adjacent clamping plates.

Further, the convex edge is arranged in the middle of the tray body, the connecting shaft and the clamping plate are arranged on two sides of the convex edge, and the clamping plate is arranged close to the peripheral wall.

Furthermore, a first pressing plate extends from the peripheral wall and the partition plate to the middle of the tray body, a plurality of second pressing plates extend from the convex edge to the edge of the tray body, and the first pressing plate and the second pressing plate and the tray body form an accommodating groove in a surrounding mode; and a gap communicated with the accommodating groove is formed between the first pressing plate and the second pressing plate.

Furthermore, a first fiber inlet and a second fiber inlet are formed in the peripheral wall, and the first fiber inlet and the second fiber inlet are respectively arranged on two sides of the connecting shaft.

Furthermore, the front side and the back side of the tray body are provided with the first fiber penetrating channel and the second fiber penetrating channel.

Further, the middle part of the clamping plate is provided with a groove.

The utility model solves the technical problem and adopts the technical scheme that the utility model also provides a fusion welding plate assembly, which comprises:

the support is provided with a plurality of hinged seats;

the optical fiber fusion splice trays are detachably connected with the support, and the connecting shafts are hinged to the hinge seats.

Furthermore, the hinge seat comprises a first clamping block and a second clamping block which are arranged at intervals, and guide inclined planes are arranged on the first clamping block and the second clamping block; the cross section of the connecting shaft is square, and the connecting shaft can be clamped between the first clamping block and the second clamping block along the guide inclined plane.

Furthermore, the support is provided with an accommodating cavity and a plurality of fiber guide grooves communicated with the accommodating cavity, and the number of the fiber guide grooves is equal to that of the hinged seats.

Furthermore, clamping parts are arranged at two ends of the support.

Compared with the prior art, the utility model has at least the following beneficial effects:

in the utility model, the clamping plate with the fiber clamping groove on the optical fiber fusion splice tray is arranged at the edge of the tray body, so that the bending radius of the optical fiber is improved, and the end parts of two fused optical fibers are prevented from being broken when being placed in the fiber clamping groove; the welding discs are connected with the support through the connecting shaft, and the clamping plates are arranged far away from the connecting shaft, so that the operation space for welding the end parts of the optical fibers is increased, and the installation is convenient; the front and back surfaces of the tray body can be wound with optical fibers, so that the storage capacity of the optical fibers is improved, and the optical fibers are prevented from being damaged due to exposure outside; the melting disc is detachably connected with the support, and the two ends of the support are provided with clamping parts, so that the welding disc and the welding disc assembly can be conveniently installed.

Drawings

FIG. 1 is a schematic view of the structure of an optical fiber fusion splice tray according to the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic diagram of a fusion splice tray assembly in accordance with the present invention;

fig. 4 is an exploded view of fig. 3.

In the figure:

100. a tray body; 110. a convex edge; 111. a second platen; 120. a partition plate; 130. a first fiber passing channel; 140. accommodating grooves; 141. a gap; 200. a peripheral wall; 210. a second fiber passing channel; 220. a connecting shaft; 230. a first presser plate; 240. a first fiber inlet; 250. a second fiber inlet; 300. clamping a plate; 310. a fiber clamping groove; 320. a groove; 400. a support; 410. a hinged seat; 411. a first clamping block; 412. a second fixture block; 413. a guide slope; 420. an accommodating chamber; 430. a fiber guide groove; 440. a clamping part.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 and 2, an optical fiber fusion splice tray includes: the fiber drawing plate comprises a plate body 100, wherein convex edges 110 and partition plates 120 are arranged on the plate body 100 at intervals, and a first fiber passing channel 130 is arranged between the convex edges 110 and the partition plates 120; the peripheral wall 200 is arranged on the tray body 100, the peripheral wall 200 is arranged around the circumference of the convex edge 110, and a second fiber passing channel 210 is arranged between the peripheral wall 200 and the partition 120; and a connection shaft 220 is provided on the circumferential wall 200; the clamping plates 300 are arranged at one end, far away from the connecting shaft 220, of the tray body 100, and the clamping plates 300 are arranged in the second fiber penetrating channel 210; a fiber clamping groove 310 is formed between two adjacent card boards 300. Specifically, the optical fiber fusion splice tray is integrally formed, and the tray body 100 and the peripheral wall 200 enclose a space capable of accommodating optical fibers; when the optical fibers are stored, the optical fibers are wound around the peripheral wall 200 and the partition 120, that is, the optical fibers partially penetrate through the first fiber penetrating channel 130; when the optical fiber is required to be welded with an external optical fiber, the end parts of the two welded optical fibers are clamped into the fiber clamping grooves 310, and the optical fibers partially penetrate through the second fiber penetrating channel 210, so that the optical fibers are ensured to have larger bending radius all the time when being placed in the welding disc, and the optical fibers are prevented from being broken due to excessive bending; and the partition 120 separates the storage fibers from their ends to facilitate the timely splicing of the fibers.

The convex edge 110 is disposed in the middle of the tray body 100, the connecting shaft 220 and the clamping plate 300 are disposed on two sides of the convex edge 110, and the clamping plate 300 is disposed near the peripheral wall 200. The connecting shaft 220 is used for being connected with other components, and the clamping plate 300 arranged far away from the connecting shaft 220 increases the operating space of the clamping plate 300 between the two optical fiber fusion splice trays, so that the fusion splice operation of optical fibers is conveniently completed.

In actual use, the peripheral wall 200 and the partition 120 both extend out of the first pressing plate 230 toward the middle of the tray body 100, the convex edge 110 extends out of the plurality of second pressing plates 111 toward the edge of the tray body 100, and the first pressing plate 230 and the second pressing plates 111 and the tray body 100 enclose the accommodating groove 140; and a gap 141 communicated with the receiving groove 140 is formed between the first pressing plate 230 and the second pressing plate 111. That is, the optical fiber enters the receiving groove 140 along the gap 141, and the first and second

pressing plates

230 and 111 serve to prevent the optical fiber from being released from the receiving groove 140.

The peripheral wall 200 is provided with a first fiber inlet 240 and a second fiber inlet 250, and the first fiber inlet 240 and the second fiber inlet 250 are respectively disposed on two sides of the connecting shaft 220. Specifically, one of the optical fiber cables enters from the first fiber inlet 240 and is wound on the optical fiber fusion splice tray, and the other optical fiber enters from the second fiber inlet 250 and is spliced therewith.

In order to increase the storage capacity of the optical fibers and save the space of the optical fiber distribution box, the front and back surfaces of the tray body 100 are provided with a first fiber passing channel 130 and a second fiber passing channel 210.

In actual use, the middle portion of the card 300 has a groove 320, and the groove 320 facilitates the placement of the splice of two optical fibers.

As shown in fig. 3 and 4, a fusion splice tray assembly includes: the support 400, the support 400 is provided with a plurality of hinged seats 410; the optical fiber fusion splice tray is detachably connected with the bracket 400, and the connecting shaft 220 is hinged on the hinge seat 410. Specifically, the splice tray assembly with the optical fiber splice tray can realize splicing of a plurality of optical fibers, the detachably connected optical fiber splice tray is convenient for installation of the whole assembly, and the installation number of the optical fiber splice tray can be selected according to actual use requirements.

Preferably, the hinge base 410 includes a first latch 411 and a second latch 412 that are arranged at an interval, and the first latch 411 and the second latch 412 are both provided with a guide inclined plane 413; the connecting shaft 220 has a square cross section, and the connecting shaft 220 can be clamped between the first latch 411 and the second latch 412 along the guide slope 413. The connecting shaft 220 arranged in a square shape is matched with the hinge seat 410, so that when the welding discs rotate, the welding discs can stop after rotating to a certain angle, and the operation of operators is facilitated; preferably, the connection shaft 220 is formed in a rectangular parallelepiped, so that the welding plate can be stopped at two positions of 45 ° up and down with respect to the bracket 400.

As shown in fig. 4, the holder 400 is provided with an accommodating cavity 420 and a plurality of fiber guiding grooves 430 communicated with the accommodating cavity 420, and the number of the fiber guiding grooves 430 is equal to the number of the hinge seats 410. That is, the fiber guide groove 430 facilitates the entry and exit of optical fibers and the arrangement of optical fibers; and equal number of fiber guide slots 430 as hinge blocks 410 to separate the fibers entering and exiting each fiber splice tray.

Preferably, clamping portions 440 are provided at both ends of the bracket 400 to facilitate the installation of the bracket 400.

In this scheme, this fuse optic fibre flange is whole small, can hold the butt fusion of multiple model optic fibre, can be applicable to optic fibre class products such as high density's branch fine case, splice box, distributing box.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

Furthermore, descriptions of the present invention as related to "first," "second," "a," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or to imply that the number of technical features indicated is indicative. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise explicitly stated or limited, the terms "connected", "fixed", and the like are to be understood broadly, for example, "fixed" may be fixedly connected, may be detachably connected, or may be integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Claims

1. An optical fiber fusion splice tray, comprising:

the peripheral wall is arranged on the tray body and is arranged around the circumference of the convex edge, and a second fiber passing channel is arranged between the peripheral wall and the partition plate; and a connecting shaft is arranged on the peripheral wall;

2. An optical fiber fusion splice tray according to claim 1, wherein the raised edge is provided at a central portion of the tray body, the connection shaft and the clamping plate are provided at both sides of the raised edge, and the clamping plate is provided adjacent to the peripheral wall.

3. An optical fiber fusion splice tray according to claim 1, wherein the peripheral wall and the partition each have a first pressure plate extending towards the middle of the tray body, the flange has a plurality of second pressure plates extending towards the edge of the tray body, and the first and second pressure plates and the tray body define a receiving groove; and a gap communicated with the accommodating groove is formed between the first pressing plate and the second pressing plate.

4. An optical fiber fusion splice tray according to claim 1, wherein the peripheral wall is provided with a first fiber inlet and a second fiber inlet, and the first fiber inlet and the second fiber inlet are respectively provided on both sides of the connecting shaft.

5. An optical fiber fusion splice tray according to claim 1 wherein the first and second fiber passing passages are provided on both front and rear faces of the tray body.

6. An optical fibre splice tray according to claim 1 wherein the central portion of the card has a recess.

7. A splice tray assembly, comprising:

the support is provided with a plurality of hinged seats;

a plurality of optical fiber fusion trays according to any one of claims 1 to 6, detachably connected to the support frame, and the connection shafts are hinged to the hinge seats.

8. The splice tray assembly of claim 7, wherein the hinge seat comprises a first block and a second block spaced apart from each other, and the first block and the second block each have a guiding bevel; the cross section of the connecting shaft is square, and the connecting shaft can be clamped between the first clamping block and the second clamping block along the guide inclined plane.

9. A splice tray assembly as claimed in claim 7, wherein said support frame is provided with a receiving cavity and a plurality of fiber guide slots communicating with said receiving cavity, said number of fiber guide slots being equal to the number of said hinge seats.

10. A fusion tray assembly according to claim 7, in which the brackets are provided with snap-in formations at each end.