JPS6299016U - - Google Patents

Description

[Brief explanation of drawings]

1A and 1B are respectively a sectional side view and a front view of an embodiment of the optical plug according to the present invention, FIG. 2 is a front view of a socket to which the optical plugs of FIGS. 1A and B are connected, and 3. Figures 4 and 5 are respectively in Figure 2.
Cross-sectional view along the line, - line, - line, No. 6
Figure A is a front view of the support base on which the light emitting diode and photodiode IC are fixed, and Figure 6B is Figure 6A.
7A to C are side views, top views, and front views of the optical transmitter/receiver unit, respectively. FIG. 8 is a circuit diagram of the optical transmitter/receiver unit, and FIG.
Figures A, B, and C are side views of the shield pipe, respectively.
A cross-sectional view taken along line B-B in Figure A, a front view, Figure 10 is a diagram showing the optical transmitter/receiver unit fixed in the pipe, Figures 11 and 12 are a part of the socket, respectively. Cross-sectional plan and side view, 13th
The figure is a partially cross-sectional plan view showing the socket with the plug connected, FIG. 14 is a perspective view of the fixing member, and FIG. 15 is a plan view of the optical transmitter/receiver unit that forms the main part of a modified example of the optical plug. . DESCRIPTION OF SYMBOLS 1... Plug, 2... Socket, 3... Light emitting diode, 4... Photodiode IC, 5... Circuit board assembly, 6, 6A... Contact pin for received data, 7
, 7A... Contact pin for grounding, 8, 8A... Contact pin for transmission data, 9, 9A, 10, 10
A...Power supply contact pin, 11...Metal shielding pipe, 12...Two-core fiber cable, 1
3...Contact member for received data, 13a to 17
a, 14b... Contact portion, 14... Contact member for grounding, 15... Contact member for transmission data, 16,
17... Power supply contact member, 18... Socket body, 19... Cover member, 20... Support stand, 21... Holding member, 22, 22A... Optical transmitting/receiving unit, 23
...Circuit board, 24...IC chip, 25, 26...Transistor, 27, 28...Chip capacitor, 2
9... Interface circuit, 30... Light emitting diode drive circuit, 31... Constant current circuit, 32a to 32c
...Groove with triangular cross section, 33a-33c...Groove with square cross-section, 34a-34c...Protrusion, 35a-35
c...Cut and raised piece, 36a, 36b...Opening, 37
...Ferrule, 38...Holder, 39a, 39b...
Fiber, 40... Cable cover, 41... Plug holder, 42... Fixing member, 50... Cylindrical part, 51...
Annular space, 52a to 52c...groove with triangular cross section,
53-57...hole, 58...slope, 59...metal film, 6
0, 61...Elastic fitting member, 60a, 61a...Convex portion, 60b, 61b...Elastic piece, 62, 63...Groove.

Claims (1)

[Scope of utility model registration request] In an optical plug having a structure in which a substantially cylindrical holding member holding a plurality of contact pins is provided inside a pipe, a groove portion is provided on the circumferential surface of the holding member extending in the axial direction from the tip side to an intermediate position. , the pipe is provided with a cut and raised piece that protrudes inward,
The optical plug is configured such that the cut-and-raised piece is engaged with the terminal end of the groove, and the holding member is fixed within the pipe.