Optical fiber connection device having a rotating and fixing mechanism and a positioning member

1. An optical fiber connection device, comprising:

a base plate;

at least one adapter for receiving optical fiber connectors;

a rotating and fixing mechanism being provided on the base plate and being connected with the adapters, the rotating and fixing mechanism comprising:

a fixing portion for fixedly connecting with the adapter; and

a rotating portion being rotatably connected to the base plate, through which the mechanism can shift between an operation position and a receiving/releasing position; and

a positioning member for stably holding the rotating and fixing mechanism in the operation position or the receiving/releasing position, and limiting the rotation angle of the mechanism and that of the adapter within a predetermined angle range, wherein the positioning member comprises:

a protrusion being formed on one sidewall of the case;

an arc groove being formed on the other sidewall opposite to the one sidewall of the case; and

two supporters being located at both outermost sides of the base plate, one of the two supporters having a protrusion thereon, the other of the two supporters having an arc groove therein, the protrusion of the case or the supporter is fitted with the adjacent arc groove of the adjacent case or the adjacent supporter, when the protrusion reaches a lower end of the arc groove, the rotating and fixing mechanism is held in the operation position, and when the protrusion reaches an upper end of the arc groove, the rotating and fixing mechanism is held in the receiving/releasing position.

2. The optical fiber connection device according to claim 1 , the adapter having leaf springs, and the fixing portion comprising:

a case for fitting with the adapter; and

recesses being formed in the case,

wherein when the adapter is fitted in the case, the leaf springs of the adapter abut against walls of the recesses so as to fix the adapter in the case of the rotating and fixing mechanism.

3. The optical fiber connection device according to claim 2 , wherein a fixation frame being formed on the base plate and having a shaft hole; and

the rotating portion being configured to be a rotation shaft, the adapter being rotatably connected to the base plate by fitting the rotation shaft in the hole.

4. The optical fiber connection device according to claim 1 , wherein the positioning member further comprising:

a hook being formed on the base plate; and

an opening being formed in the case,

wherein when the rotating portion rotates to the operation position, the hook is connected with the opening in a snap fitting manner so as to hold the rotating and fixing mechanism in the operation position.

5. The optical fiber connection device according to claim 2 , wherein the recesses are formed in a top wall and a bottom wall of the case, respectively.

6. The optical fiber connection device according to claim 1 , wherein the device comprises a plurality of adapters being arranged on the base plate in a row.