Field installable optical-fiber connector

1. A field installable optical-fiber connector, characterized in that: it at least comprises:

an optical-fiber splice sleeve, having a segment of quadrangular prism provided inside with an optical-fiber splice member containing-chamber, the quadrangular prism being provided at one of its sides with a locking slot running through the side where it is located and the inner surface of the optical-fiber splice member containing-chamber, the optical-fiber splice sleeve being provided at its end opposite to the quadrangular prism with a hole for optical-fiber ferrule, an optical-fiber channel being provided between the hole for optical-fiber ferrule and the optical-fiber splice member containing-chamber;

an optical-fiber splice member, placed in the optical-fiber splice member containing-chamber, including a first half or a second half opposite to each other, the first half being provided with a longitudinal optical-fiber splice groove, the first half or the second half being provided with a rib which is matched with and protrudes from the locking slot;

an optical-fiber ferrule, inserted in the hole for optical-fiber ferrule and pre-provided inside with a connecting optical-fiber, the connecting optical-fiber being located at one end inside the optical-fiber ferrule and at the other end into the optical-fiber splice groove through the optical-fiber channel, the field optical-fiber entering the optical-fiber splice groove from an opposite direction to be butt jointed with the connecting optical-fiber; and

an optical-fiber splice member clamp, sleeved on the quadrangular prism, provided with a longitudinally extending locking channel including an upper part and a lower part parallel to each other, the lower part being wider than the upper part, an inner wall of the locking channel pressing the rib so that the connecting optical-fiber and the field optical-fiber are kept by the first half and the second half in the optical-fiber splice groove when the quadrangular prism is moved from the lower part to the upper part of the channel.

2. The field installable optical-fiber connector according to claim 1 , characterized in that: the optical-fiber splice groove are provided at both ends with a guide slope, and the second half is provided with another guide slope at a position corresponding to the guide slope.

3. The field installable optical-fiber connector to claim 1 , characterized in that: the connector further includes a fixed tailstock detachably connected with the optical-fiber splice sleeve and used for fixing a field optical cable.

4. The field installable optical-fiber connector according to claim 3 , characterized in that: the fixed tailstock includes a seat body and a tail sleeve, the seat body being provided with an optical-cable channel for connecting and fixing the field optical cable and with a splice portion detachably connected with the optical-fiber splice sleeve and a tapered portion provided with a compressed opening for clamping the field optical cable, the tapered portion compressed and clamping the field optical cable when the tail sleeve is sleeved on the tapered portion.

5. The field installable optical-fiber connector according to claim 4 , characterized in that: the optical cable channel of the tapered portion is provided on its inner surface with a projection used for clamping the field optical cable.

6. The field installable optical-fiber connector according to claim 4 , characterized in that: the optical-fiber splice sleeve is provided with an upside-down buckle, and the splice portion of the seat body has a buckle matched with the upside-down buckle.

7. The field installable optical-fiber connector according to claim 1 , characterized in that: the optical-fiber connector further includes a frame sleeve detachably connected with the optical-fiber splice sleeve, and an elastic module is provided between the frame sleeve and the optical-fiber splice sleeve.

8. The field installable optical-fiber connector according to claim 7 , characterized in that: the elastic module includes a spring and a stop seat, the spring being sleeved on the optical-fiber splice sleeve provided with a spring seat matched with the spring, the stop seat being sleeved on the optical-fiber splice sleeve to limit the spring between the spring seat and the stop seat, the stop seat being clipped inside the frame sleeve to fix the optical-fiber splice sleeve inside the frame sleeve.

9. The field installable optical-fiber connector according to claim 8 , characterized in that: the stop seat is provided with an upside-down buckle, and the frame sleeve is provided with a buckle matched with the upside-down buckle.

10. The field installable optical-fiber connector according to claim 7 , characterized in that: the optical-fiber connector further includes a shell, which covers the frame sleeve and the optical-fiber splice member clamp.

11. The field installable optical-fiber connector according to claim 2 , characterized in that: the connector further includes a fixed tailstock detachably connected with the optical-fiber splice sleeve and used for fixing a field optical cable.

12. The field installable optical-fiber connector according to claim 2 , characterized in that: the optical-fiber connector further includes a frame sleeve detachably connected with the optical-fiber splice sleeve, and an elastic module is provided between the frame sleeve and the optical-fiber splice sleeve.