CN210401747U

CN210401747U - Short net tail SC fiber connector

Info

Publication number: CN210401747U
Application number: CN201921286896.9U
Authority: CN
Inventors: 欧阳艳; 汪伟; 郑钟信
Original assignee: Time Interconnect Technology Huizhou Ltd
Current assignee: Time Interconnect Technology Huizhou Ltd; Huawei Technologies Co Ltd
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-04-24
Anticipated expiration: 2029-08-09

Abstract

A short-net-tail SC optical fiber connector comprises a connector body, wherein a net tail is arranged on the connector body, the length of the net tail extending out of the connector body is 2 mm-12mm, and the length of the net tail is 10 mm-20 mm; the connector body is connected with an optical fiber cable, the optical fiber cable extends out of the connector body, and the net tail is sleeved on the optical fiber cable and connected with the connector body. The length of the net tail of the utility model is short, so the length of the whole SC optical fiber connector is reduced, and a lot of space is reduced in the application of cabinet installation, engineering wiring and the like, so that the engineering wiring and the cabinet arrangement have more operability; the utility model provides a net tail overlength lead to SC fiber connector's cost increase, the great problem of space occupancy also avoids the net tail too short simultaneously, leads to not satisfying the test performance requirement in load transmission test, has still guaranteed the stability of SC fiber connector performance.

Description

Short net tail SC fiber connector

Technical Field

The utility model relates to a connector field, specific theory especially relates to a short net tail SC fiber connector.

Background

SC fiber optic connectors are devices for making a removable connection between optical fibers by butting the two end faces of the optical fibers together so that the two outputs of the transmitting fiber are maximally coupled into the receiving fiber and the impact on the system due to their intervening optical links is minimized.

However, with the rapid development of communication technology, the popularization of 4G technology and the large-area popularization of 5G, the number of cabinets installed in a communication base station is gradually increased, and the density of conventional optical cables and the density of connectors on an optical fiber distribution frame are continuously increased, so that the installation cost and difficulty are also increased, and the miniaturization becomes an important innovation trend of the existing optical fiber communication technology. In the prior art, the overall length of a conventional SC connector is about 57mm, the overall length of a conventional short pigtail is also 42mm, the connector structure is composed of an overall housing and a pigtail, wherein the pigtail extends out of the overall housing and usually occupies about 2/3 of the overall length of the connector, the pigtail is usually used for protecting the stability of the connection between an optical fiber and the connector and preventing the connection from being broken, but with the improvement of the optical fiber cable technology, the strength of the existing optical fiber cable is remarkably improved, the function of the pigtail is gradually weakened, and therefore the conventional long pigtail SC connector is gradually not suitable for the requirements of the existing market.

SUMMERY OF THE UTILITY MODEL

Longer, the net tail length overlength in order to overcome current SC fiber connector's whole length leads to the connector installation to use limited problem, the utility model provides a short net tail SC fiber connector has both reduced SC fiber connector's whole size, can ensure the quality of connector again.

A short-net-tail SC optical fiber connector comprises a connector body, wherein a net tail is arranged on the connector body, the length of the net tail extending out of the connector body is 2 mm-12mm, and the length of the net tail is 10 mm-20 mm; the connector body is connected with an optical fiber cable, the optical fiber cable extends out of the connector body, and the net tail is sleeved on the optical fiber cable and connected with the connector body.

Preferably, the whole length interval of the connector body is 29-31 mm, the length interval of the net tail arranged on the connector body is 10-13mm, and the length range of the net tail extending out of the connector body is 2-5 mm.

Preferably, the whole length interval of the connector body is 36-38mm, the length interval of the net tail arranged on the connector body is 17-20mm, and the length range of the net tail extending out of the connector body is 9-12 mm.

Preferably, the connector body include clamping ring, locking seat, spring, lock pin, insert frame and shell, the clamping ring cover establish on the locking seat, the spring setting between locking seat and lock pin, lock pin one end be connected with the locking seat, the lock pin other end is fixed on inserting the frame, clamping ring, locking seat, spring, lock pin and insert the frame setting in the shell.

Preferably, the stop seat is provided with a placing cavity, the spring is arranged in the placing cavity, the inserting frame is provided with a clamping groove, and one end of the inserting core is inserted into the clamping groove.

Preferably, the other end of the connector body opposite to the net tail is connected with a dust cap.

Preferably, the net tail is made of plastic materials and is integrally injection-molded.

The utility model provides a short network tail SC fiber connector, which reduces a lot of space when being applied to cabinet installation, engineering wiring and the like, so that the engineering wiring and cabinet arrangement have more operating space and better operability; the utility model discloses a net tail length is 10mm ~20mm, and the length that the net tail extends the connector body is 2mm ~12mm, has solved the net tail overlength and has leaded to the cost-push of SC fiber connector, the great problem of space occupancy, also avoids the net tail too short simultaneously, leads to can't satisfying GR 326's test performance requirement in the load transmission test; the utility model discloses not only the cost is reduced, has still guaranteed the stability of SC fiber connector performance, and product life is longer.

The SC fiber connector provided by the invention is provided with two interval lengths of 29-31 mm and 36-38mm respectively, so that the product has a larger application range, the integral length of the SC fiber connector is 29-31 mm, the length of the net tail extending out of the shell is 2-5mm, and the SC fiber connector is suitable for bending insensitive fibers, such as G.657.A2 type fibers; for some optical fibers with weak bending resistance, SC optical fiber connectors with the whole length in the range of 36-38mm are used, and the net tail length of the SC optical fiber connectors is properly increased, so that the optical fibers with weak bending resistance can be protected.

Drawings

Fig. 1 is a schematic perspective view of the overall structure of the present invention;

FIG. 2 is an exploded view of the overall structure of the present invention;

fig. 3 is a cross-sectional view of the overall structure of the present invention.

Detailed Description

The present invention will be further described with reference to the following examples and accompanying drawings.

Example 1:

referring to fig. 1-3, a short net tail SC fiber connector, including connector body 10, be connected with net tail 1 on the connector body, the length that net tail 1 extends connector body 10 is 2mm ~12mm, net tail length is 10mm ~20mm, the connector body is connected with optic fibre cable 9, optic fibre cable 9 extends connector body 10, net tail 1 cover is established on optic fibre cable 9 and is connected with connector body 10, connector body 10 is connected with dust cap 8 for the other end of net tail 1.

The connector body 10 comprises a press ring 2, a stop seat 3, a spring 4, an inserting core 5, an inserting frame 6 and a shell 7, wherein the press ring 2 is sleeved on the stop seat 3, the spring 4 is arranged between the stop seat 3 and the inserting core 5, one end of the inserting core 5 is connected with the stop seat 3, the other end of the inserting core 5 is fixed on the inserting frame 6, and the press ring 2, the stop seat 3, the spring 4, the inserting core 5 and the inserting frame 6 are arranged in the shell 7; the stop seat 3 is provided with a placing cavity 31, the spring 4 is sleeved at one end of the ferrule 5, the inserting frame 6 is provided with a clamping groove 61, the other end of the ferrule 5 is inserted into the clamping groove 61, one end of the ferrule 5 sleeved with the spring 4 is inserted into the placing cavity 31, and in the embodiment, the overall length of the SC fiber connector is within the range of 29mm-31mm, preferably 30 mm; the length of the net tail is in the range of 10-13mm, preferably 12mm, the length of the net tail extending out of the shell is 2mm-5mm, preferably 3.5mm, the optical fiber is suitable for bending insensitive optical fibers, such as G.657.A2 type optical fibers, the whole installation length of the optical fiber connector can be reduced by 50% at most (compared with a conventional 57mm SC connector) and reduced by about 26% at least (compared with a conventional 42mm SC connector).

The net tail 1 is made of plastic materials, and the net tail 1 is integrally injection-molded, so that the cost is low; the net tail 1 is hollow, and the cross section of net tail 1 is circular or square, makes things convenient for the net tail to fix, still is equipped with a plurality of flutings on the net tail 1, and the net tail 1 that the fluting design made has certain shock-absorbing capacity.

The utility model provides a short network tail SC fiber connector, which reduces a lot of space when being applied to cabinet installation, engineering wiring and the like, so that the engineering wiring and cabinet arrangement have more maneuverability; the utility model discloses a net tail length is 10mm ~20mm, and the length that the net tail extends the connector body is 2mm ~12mm, has solved the net tail overlength and has leaded to the cost-push of SC fiber connector, the great problem of space occupancy, also avoids the net tail too short simultaneously, leads to can't satisfying GR 326's test performance requirement in the load transmission test; the utility model discloses not only the cost is reduced, has still guaranteed the stability of SC fiber connector performance, and product life is longer.

Example 2:

this embodiment 2 is basically the same as embodiment 1, except that: in the embodiment, the overall length of the SC optical fiber connector is in the interval of 36mm to 38mm, preferably 37mm, and for some optical fibers with weak bending resistance, the SC optical fiber connector with the overall length in the interval of 36mm to 38mm can be used; the length of the net tail is 17-20mm, preferably 18mm, and the length of the net tail extending out of the shell is 9-12 mm, preferably 10.5 mm. Compared with the traditional SC connector, the overall installation length can be reduced by about 38% at most (compared with the traditional 57mmSC connector) and about 10% at least (compared with the traditional 42mmSC connector).

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims

1. The utility model provides a short net tail SC fiber connector which characterized in that: the connector comprises a connector body (10), wherein a net tail (1) is arranged on the connector body, the length of the net tail (1) extending out of the connector body (10) is 2-12 mm, and the length of the net tail is 10-20 mm; the connector body is connected with an optical fiber cable (9), the optical fiber cable (9) extends out of the connector body (10), and the net tail (1) is sleeved on the optical fiber cable (9) and is connected with the connector body (10).

2. A short pigtail SC fiber optic connector as in claim 1, wherein: the connector comprises a connector body (10), and is characterized in that the whole length interval of the connector body (10) is 29-31 mm, the length interval of a net tail (1) arranged on the connector body (10) is 10-13mm, and the length range of the net tail (1) extending out of the connector body (10) is 2-5 mm.

3. A short pigtail SC fiber optic connector as in claim 1, wherein: the connector comprises a connector body (10), and is characterized in that the whole length interval of the connector body (10) is 36-38mm, the length interval of a net tail (1) arranged on the connector body (10) is 17-20mm, and the length range of the net tail (1) extending out of the connector body (10) is 9-12 mm.

4. A short pigtail SC fiber optic connector as in claim 1, wherein: connector body (10) include clamping ring (2), locking seat (3), spring (4), lock pin (5), insert frame (6) and shell (7), clamping ring (2) cover establish on locking seat (3), spring (4) set up between locking seat (3) and lock pin (5), lock pin (5) one end be connected with locking seat (3), the lock pin other end is fixed and is inserted frame (6), clamping ring (2), locking seat (3), spring (4), lock pin (5) and insert frame (6) set up in shell (7).

5. The short-pigtail SC fiber connector of claim 4, wherein: be equipped with on the locking seat (3) and place chamber (31), spring (4) set up and placing chamber (31) in, insert and be equipped with draw-in groove (61) on frame (6), lock pin (5) one end insert in draw-in groove (61).

6. A short pigtail SC fiber optic connector according to claim 1 or 4, wherein: the other end of the connector body (10) opposite to the net tail (1) is connected with a dustproof cap (8).

7.A short pigtail SC fiber optic connector according to claim 1 or 4, wherein: the net tail (1) is made of plastic materials, and the net tail (1) is integrally formed by injection molding.