CN211856990U

CN211856990U - Low-loss high-density optical fiber connector

Info

Publication number: CN211856990U
Application number: CN202020471678.9U
Authority: CN
Inventors: 余有权
Original assignee: Shenzhen Honggai Photoelectric Co ltd
Current assignee: Shenzhen Honggai Photoelectric Co ltd
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2020-11-03
Anticipated expiration: 2030-04-03

Abstract

The utility model discloses a low-loss high density fiber connector, including two the same ceramic cover of specification, two the inner wall axis department of ceramic cover has all opened the slot, and the slot inner wall is pegged graft and is had optic fibre, the slot inner wall middle part joint of ceramic cover has the joint cover, the relative one end homogeneous body of optic fibre is connected with self-focusing lens, and the outer wall of the self-focusing lens of both sides has cup jointed same tensioning sleeve, tensioning sleeve's outer wall is pegged graft on the inner wall of joint cover, two threaded groove is opened to the relative one end outer wall of ceramic cover. The utility model discloses a cylinder sleeve structure cooperation lens coupling structure, the link of self-focusing lens reducing can conveniently dock, also can reduce the energy loss that the small deviation of butt joint brought, and the orthostichous dock structure is fixed with outer tight swivel nut interlock through the interior tighrening ring in the middle part, and stopper gum cover and dust ring in the tip is equipped with, improves the connection compactness between whole optic fibre butt joint end and the connector, improves transmission efficiency.

Description

Low-loss high-density optical fiber connector

Technical Field

The utility model relates to an optical fiber equipment technical field especially relates to a low-loss high density fiber connector.

Background

The optical fiber connector is a device for making detachable (movable) connection between optical fibers, and precisely butt-joints two end faces of the optical fibers so as to maximally couple the light energy output by the transmitting optical fiber into the receiving optical fiber and minimize the influence on the system caused by the optical fiber connector intervening in the optical link, which is the basic requirement of the optical fiber connector. To some extent, fiber optic connectors affect the reliability and performance of optical transmission systems.

The existing optical fiber connector can be divided into a plane contact type, a spherical contact type and the like according to the mutual contact relationship (namely a coupling mode) of optical fibers, and when a plurality of optical fibers are in butt joint, a plurality of energy is lost at a connecting end due to unstable butt joint, so that the transmission efficiency is reduced, and the transmission effect of the optical fibers is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and providing a low-loss high-density optical fiber connector.

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

a low-loss high-density optical fiber connector comprises two ceramic sleeves with the same specification, wherein the central axis of the inner walls of the two ceramic sleeves is provided with a slot, optical fibers are inserted into the inner wall of the slot, a clamping sleeve is clamped in the middle of the inner wall of the slot of the ceramic sleeve, a self-focusing lens is integrally connected at one end of the optical fiber opposite to the optical fiber, the outer walls of the self-focusing lenses at the two sides are sleeved with the same tensioning sleeve, the outer wall of the tensioning sleeve is inserted on the inner wall of the clamping sleeve, the outer wall of the opposite end of the two ceramic sleeves is provided with a thread groove, and the outer wall of the middle part of the thread groove is clamped with an inner fastening ring, the two sides of the thread groove are connected with the same outer fastening thread sleeve through threads, and the inner wall of the outer tight thread insert is matched with the ceramic sleeves on two sides in a meshing clamping manner through threads, the inner walls of the opposite ends of the optical fibers and the ceramic sleeves on two sides are all clamped with inner plug rubber sleeves, and the joints of the inner walls of the end parts of the inner plug rubber sleeves and the optical fibers are clamped with dustproof rings.

As a further scheme of the utility model, interior stopper gum cover is including preventing moving back the cock body and joint front of a garment piece, and the inner wall body coupling of joint front of a garment piece is on preventing moving back the bottom outer wall of cock body.

As a further proposal of the utility model, the middle inner wall equidistance annular distribution of the anti-back-off body has an inner convex column, and the inner wall joint of the inner convex column is on the outer wall of the optical fiber.

As a further aspect of the present invention, the inner fastening ring is an open structure, and the two sides of the inner fastening ring are respectively set as a U-shaped double-insertion piece and a single-insertion piece.

As a further scheme of the utility model, the tip outer wall sliding connection of single inserted sheet is on the middle part inner wall of the two inserted sheets of U type, and the junction opposite side of the two inserted sheets of U type and single inserted sheet is the frosting.

As a further aspect of the present invention, the length specification of the ceramic sheath is adapted to the length specification of the inner plug rubber sleeve and the length specification of the clamping sleeve, and the length specification of the self-focusing lens is adapted to the length specification of the clamping sleeve.

The utility model has the advantages that:

1. the optical fiber connector adopts a commonly used cylindrical sleeve structure, a lens coupling structure is added on the original basis, the reducing connecting end of the self-focusing lens can be conveniently butted, and the energy loss caused by small butting deviation can also be reduced;

2. the connection between the two sides of the optical fiber and the ceramic sleeve is provided with the inner plug rubber sleeve and the dustproof ring, so that the connection tightness between the whole optical fiber butt joint end and the connector is improved, the tensioning structure of the butt joint end is eliminated through the opposite pulling structure between the rubber sleeve and the optical fiber, the self-focusing lens end can be more compact in the butt joint process, and the transmission efficiency is improved.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of a low-loss high-density optical fiber connector according to the present invention;

fig. 2 is a schematic structural view of an inner plug rubber sleeve of a low-loss high-density optical fiber connector according to the present invention;

fig. 3 is a schematic view of an inner fastening ring structure of a low-loss high-density optical fiber connector according to the present invention.

In the figure: 1 ceramic sleeve, 2 inner plug rubber sleeve, 3 dustproof ring, 4 clamping sleeve, 5 self-focusing lens, 6 optical fiber, 7 tensioning sleeve, 8 outer tightening screw sleeve, 9 inner tightening ring, 10 clamping flap, 11 anti-back-off body, 12 inner convex column, 13U-shaped double-insertion piece and 14 single-insertion piece.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

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.

Referring to fig. 1-3, a low loss high density optical fiber connector comprises two ceramic sleeves 1 with the same specification, wherein the central axes of the inner walls of the two ceramic sleeves 1 are respectively provided with a slot, an optical fiber 6 is inserted into the inner wall of the slot, a clamping sleeve 4 is clamped in the middle of the inner wall of the slot of the ceramic sleeve 1, the opposite ends of the optical fiber 6 are respectively and integrally connected with a self-focusing lens 5, the outer walls of the self-focusing lenses 5 at the two sides are sleeved with a same tensioning sleeve 7, the outer wall of the tensioning sleeve 7 is inserted into the inner wall of the clamping sleeve 4, the outer walls of the opposite ends of the two ceramic sleeves 1 are respectively provided with a threaded groove, the outer wall of the middle part of the threaded groove is clamped with an inner fastening ring 9, the two sides of the threaded groove are respectively connected with a same outer tightening screw sleeve 8 through threads, the inner wall of the outer tightening screw sleeve 8 is in meshing clamping fit with the ceramic sleeves 1 at the two sides through threads, the, and the inner wall of the end part of the inner plug rubber sleeve 2 is clamped with a dustproof ring 3 at the joint of the optical fiber 6, the inner plug rubber sleeve 2 comprises an anti-back-off body 11 and a clamping flap 10, and the inner wall of the clamping flap 10 is integrally connected on the outer wall of the bottom end of the anti-block body 11, inner convex columns 12 are annularly distributed on the inner wall of the middle part of the anti-block body 11 at equal intervals, the inner wall of the inner convex column 12 is clamped on the outer wall of the optical fiber 6, the inner fastening ring 9 is of an opening structure, two sides of the inner fastening ring 9 are respectively provided with a U-shaped double insertion piece 13 and a single insertion piece 14, the outer wall of the end part of the single insertion piece 14 is connected on the inner wall of the middle part of the U-shaped double insertion piece 13 in a sliding way, and the opposite sides of the joint of the U-shaped double insertion piece 13 and the single insertion piece 14 are frosted surfaces, the length specification of the ceramic sleeve 1 is matched with the length specifications of the inner plug rubber sleeve 2 and the clamping sleeve 4, and the length specification of the self-focusing lens 5 is matched with the length specification of the clamping sleeve 4.

The working principle is as follows: this fiber connector is when using, pass 2 insides of ceramic sheathing through optic fibre 6, the junction is fixed through 2 joints of interior stopper gum cover, optic fibre 6 tip adopts lens coupling structure, the link of 5 reducing of self-focusing lens can conveniently dock, also can reduce the energy loss that the small deviation of butt joint brought, the interlock is fixed between tighrening ring 9 and the outer tight swivel nut 9 in the middle part of in-line butt joint formula structure accessible, the tension structure of butt joint end is eliminated to the structure of drawing through between interior stopper gum cover 2 and the light 6, make the butt joint in-process, self-focusing lens end 5 can be inseparabler, transmission efficiency is improved.

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

1. A low-loss high-density optical fiber connector comprises two ceramic sleeves (1) with the same specification, and is characterized in that slots are formed in the central axes of the inner walls of the two ceramic sleeves (1), optical fibers (6) are inserted into the inner walls of the slots, a clamping sleeve (4) is clamped in the middle of the inner wall of each slot of the ceramic sleeves (1), self-focusing lenses (5) are integrally connected to opposite ends of the optical fibers (6), the outer walls of the self-focusing lenses (5) on two sides are sleeved with a same tensioning sleeve (7), the outer wall of the tensioning sleeve (7) is inserted into the inner wall of the clamping sleeve (4), threaded grooves are formed in the outer walls of the opposite ends of the two ceramic sleeves (1), inner fastening rings (9) are clamped to the outer walls of the middle portions of the threaded grooves, the two sides of the threaded grooves are connected with the same outer fastening screw sleeve (8) through threads, and the inner walls of the outer fastening screw sleeves (8) are in meshing clamping fit with the ceramic sleeves (1) on two sides through the, the inner plug rubber sleeve (2) is clamped on the inner walls of the opposite ends of the optical fiber (6) and the ceramic sleeves (1) on the two sides, and the dustproof ring (3) is clamped at the joint of the inner wall of the end part of the inner plug rubber sleeve (2) and the optical fiber (6).

2. The low-loss high-density optical fiber connector according to claim 1, wherein the inner plug rubber sleeve (2) comprises an anti-back-off body (11) and a clamping flap (10), and the inner wall of the clamping flap (10) is integrally connected to the outer wall of the bottom end of the anti-back-off body (11).

3. The low-loss high-density optical fiber connector according to claim 2, wherein inner convex columns (12) are annularly distributed on the inner wall of the middle part of the anti-back-off body (11) at equal intervals, and the inner wall of the inner convex column (12) is clamped on the outer wall of the optical fiber (6).

4. The low-loss high-density optical fiber connector according to claim 1, wherein the inner fastening ring (9) is of an open structure, and two sides of the inner fastening ring (9) are respectively provided with a U-shaped double insertion piece (13) and a single insertion piece (14).

5. The low-loss high-density optical fiber connector according to claim 4, wherein the outer wall of the end part of the single insertion piece (14) is slidably connected to the inner wall of the middle part of the U-shaped double insertion piece (13), and the opposite sides of the joint of the U-shaped double insertion piece (13) and the single insertion piece (14) are frosted surfaces.

6. The low loss high density optical fiber connector according to claim 1, wherein the length specification of the ceramic sleeve (1) is matched with the length specification of the inner plug rubber sleeve (2) and the clamping sleeve (4), and the length specification of the self-focusing lens (5) is matched with the length specification of the clamping sleeve (4).