JP3333935B2 - Connector device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connector device in which a coaxial connector composed of a plug, a jack, and an adapter is mounted on two housings and connected.

[0002]

2. Description of the Related Art The essential points of an example of a conventional optical connector will be described with reference to FIGS. 4 is a cross-sectional view of a conventional optical connector plug, FIG. 5 is a cross-sectional view of a conventional optical connector sleeve holder, and FIG. 6 is a diagram illustrating a conventional optical connector plug, jack and sleeve holder mounted on two housings. It is a perspective view which shows the state at the time of performing.

First, the structure of the plug 21 of the optical connector will be described with reference to FIG. The right end of the ferrule 22 located at the center of the plug 21 holds an optical fiber (not shown) and is inserted and fixed to the inner insulator 23. The inner insulator 23 is slidably inserted into an outer insulator (plug frame) 24. The outer insulator 24 has a stop ring 25
Is inserted into the hole 2 provided in the outer insulator 24.
Projection 2 provided on outer peripheral surface of stop ring 25 at 4a
5a is engaged, the outer insulator 24
And the stop ring 25 are restricted from moving in the left-right direction. Between the outer peripheral surface of the inner insulator 23 and the inner peripheral surface of the outer insulator 24, and furthermore, the left end large diameter portion 23a of the inner insulator 23 and the stop ring 25
A coil spring 26 is housed between the ferrule 22 and the left end of the ferrule 22 so as to protrude from the outer insulator 24. On the outer peripheral surface on the right side of the stop ring 25,
The inner peripheral surface on the left side of 7 is fitted and fixed, and an optical cable (not shown) is fixed on the inner peripheral surface on the right side of the caulking ring 27 by caulking. The periphery of the fixed portion between the caulking ring 27 and the optical cable is covered with a rubber boot 28. An inner peripheral surface of a knob 29 is fitted and fixed to an outer peripheral surface of the outer insulator 24 and a middle outer peripheral surface of the caulking ring 27.

Next, the plug 21 of the optical connector and the jack 41 of the optical connector (the fitting structure is the optical connector plug 2
Same as 1. ) Will be described with reference to FIGS.

A back board housing 52 is fixed to the back board 51 and a plurality of optical connector plugs 21 are provided.
Are sequentially mounted on the backboard housing 52.

A package housing 62 is fixed to the package 61 and a plurality of optical connector jacks 41.
Are sequentially mounted on the package housing 62.

[0007] A plurality of sleeve holders 31 are provided in the package housing 62 or the backboard housing 52.
Each is engaged. As shown in FIG. 5, each sleeve holder 31 is symmetrically constituted by a metal cylinder 32 and a zirconia split sleeve 33 accommodated in the cylinder 32. The cylinder 32 has openings 32 on both sides.
a, 32b are provided, and two positioning projections 32c, 32d are provided at the center of the outer peripheral surface. The positioning projections 32c and 32d are engaged with grooves or the like provided in the package housing 62 or the backboard housing 52.

The ferrule 22 of the plug 21 of the optical connector
Is inserted into the opening 32a of the cylinder 32, or the ferrule of the jack 41 of the optical connector is inserted into the opening 32a of the cylinder 32.
After the insertion into the package housing 62, the package housing 62 and the backboard housing 52 are engaged. Then, since the tip surfaces of the ferrules are pressed by the respective coil springs and pressed against each other, the plug 21 of each optical connector and the jack 41 of each optical connector are optically connected.

An optical connector of this type is described in Utility Model Registration No. 2514762 and the like.

[0010]

In the conventional optical connector, the structure of the plug fitting portion and the structure of the jack fitting portion are the same, and the sleeve holder has a pair of identical fitting portion structures. .

However, in the conventional coaxial electric connector, the structure of the fitting portion of the plug is different from the structure of the fitting portion of the jack. Therefore, the adapter for connecting the plug and the jack has two different fitting portion structures. I have to help. Therefore, the production of parts becomes complicated, the cost becomes high, and the workability of assembling and disassembling is complicated.

In view of the above, the present invention improves the disadvantages of the conventional coaxial electric connector and mounts the coaxial electric connector composed of a plug, a jack and an adapter with a simplified fitting structure on two housings. It is an object of the present invention to provide a connector device for connection by connection.

[0013]

The present invention employs the following means in order to solve the above-mentioned problems.

1. A center contact, an external contact, an insulator for holding the center contact and the external contact, a shell in which the center contact and the insulator are inserted, and which is electrically connected to the external contact, the center contact, the external contact, A plug and a jack of a coaxial connector respectively constituted from the insulator and an outer insulator holding the shell, wherein a structure of a fitting portion of the plug and a structure of a fitting portion of the jack are the same, A plug is mounted on the first housing, the jack is mounted on the second housing, and a pair of adapters having the same fitting structure is mounted on one of the two housings, and the two housings are connected. By doing so, with the plug via the adapter Connector device which is adapted to connect the serial jack. 2. 2. The connector device according to claim 1, wherein a positioning projection engaging with one of the housings is formed on the adapter.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A connector device according to an embodiment of the present invention will be described with reference to FIGS.
FIG. 1 is a sectional view showing the internal structure of a plug of a coaxial connector (the jack has the same fitting structure as the plug), FIG. 2 is a sectional view of the plug of the coaxial connector, and FIG.
It is sectional drawing of the adapter which connects the plug and jack of a coaxial connector. The state when the coaxial connector is mounted on the two housings is the same as that of the conventional optical connector shown in FIG.

First, the internal structure of the plug 1 of the present coaxial connector will be described with reference to FIG. A first insulator 3 and a second insulator 4 are accommodated in the inner peripheral surface of the large diameter portion of the shell 2, and the third insulator 5 and the sleeve 6 are accommodated in the inner peripheral surface of the small diameter portion of the shell 2. Is housed. First insulator 3 and second insulator 4
Are adjacent to each other, and the second insulator 4 and the third insulator 5 are adjacent to each other. A center contact 7 is disposed at the center of the plug 1, a left end of the center contact 7 protrudes from the first insulator 3, and a right end of the center contact 7 and an inner peripheral surface of a large-diameter portion of the shell 2. A thin portion on the right side of the second insulator 4 is disposed therebetween. A cylindrical outer contact 8 is fixed to the first insulator 3 and surrounds the center contact 7 and is connected to the shell 2 to perform the function of ground. A ferrule 9 is fixed to the right side of the shell 2 so as to surround the small diameter portion of the shell 2 and the sleeve 6, and a distal end of an electric cable (not shown) is inserted into the sleeve 6 and fixed by the ferrule 9.

FIG. 2 shows a state in which an outer insulator (plug frame) 10 and a knob 11 are fixed to the internal structure of the plug 1 shown in FIG. An inner structure such as the shell 2 is inserted into the outer insulator 10, and a projection 2 a provided on the outer peripheral surface of the shell 2 is engaged with a hole 10 a provided in the outer insulator 10, whereby the outer insulator 10 and the shell 2 are engaged. Means that the relative movement in the left-right direction is regulated. The inner peripheral surface of the knob 11 is fitted and fixed to the outer peripheral surface of the outer insulator 10.

The adapter 13 for connecting the plug 1 to the jack 18 (see FIG. 6) will be described with reference to FIG.
The adapter 13 includes a cylindrical shell 14, an insulator 15 housed and fixed in the shell 14, and a center contact 16 symmetrically. Shell 14 has
Openings 14a and 14b are provided on both sides, and two positioning projections 14c and 14d are provided at the center of the outer peripheral surface.

The condition when the plug and jack of the coaxial connector of the present invention are mounted on the two housings is the same as that of the conventional optical connector described above with reference to FIG.

The left end of the center contact 7 of the plug 1 and the external contact 8 are fitted into the opening 14a of the adapter 13,
Bringing the center contact 7 and the center contact 16 into contact,
Further, the external contact 8 is inserted between the shell 14 and the insulator 15. Further, one end of the center contact of the jack 18 and the external contact are similarly fitted into the opening 14 b of the adapter 13. Then, the center contact of the plug 1 and the center contact of the jack 18 are electrically connected via the center contact 16, and the external contact of the plug 1 and the external contact of the jack 18 are
Connected to the shell 14 to perform the function of the ground.

[0021]

As apparent from the above description, the present invention has the following effects.

1. Since the plug and the jack have the same fitting structure, and the adapter is configured to have a pair of the same fitting structure, the coaxial electrical connector can be easily manufactured, and the cost can be reduced. The workability of assembly and disassembly is simple.

2. The coaxial electrical connector and the optical connector can optionally be replaced for the two housings.

[Brief description of the drawings]

FIG. 1 is a sectional view showing an internal structure of a plug of a coaxial electrical connector in a connector device according to an embodiment of the present invention.

FIG. 2 is a sectional view of a plug of the coaxial electrical connector in the connector device according to one embodiment of the present invention.

FIG. 3 is a sectional view of an adapter of the coaxial electric connector in the connector device according to the embodiment of the present invention;

FIG. 4 is a cross-sectional view of a plug of an optical connector in a conventional connector device.

FIG. 5 is a sectional view of a sleeve holder of an optical connector in a conventional connector device.

FIG. 6 is a perspective view showing a state where the coaxial electrical connector of the present invention and the plug and jack of the conventional optical connector are mounted on two housings.

[Explanation of symbols]

 Reference Signs List 1 plug 2 shell 2a protrusion 3 first insulator 4 second insulator 5 third insulator 6 sleeve 7 center contact 8 external contact 9 ferrule 10 outer insulator 10a hole 11 knob 13 adapter 14 shell 14a, 14b opening 14c, 14d positioning Projecting portion 15 Insulator 16 Center contact 18 Jack 51 Backboard 52 Backboard housing 61 Package 62 Package housing

──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Hisato Sato 4-1-1, Kamidadanaka, Nakahara-ku, Kawasaki-shi, Kanagawa Prefecture Examiner in Fujitsu Limited Masato Matsunawa (56) References JP-A-11-67381 (JP) , A) Japanese Utility Model 6-41082 (JP, U) Japanese Utility Model 63-482 (JP, U) Japanese Utility Model 60-38479 (JP, U) (58) Fields surveyed (Int. Cl. ⁷ , DB (Name) H01R 24/02 H01R 13/46 H01R 31/06 G02B 6/38

Claims (2)

(57) [Claims] 1. A center contact, an external contact,
An insulator that holds the center contact and the external contact, a shell into which the center contact and the insulator are inserted and that is electrically connected to the external contact, and holds the center contact, the external contact, the insulator, and the shell; A plug and a jack of the coaxial connector respectively constituted from the outer insulator; a fitting structure of the plug and a fitting structure of the jack are configured to be the same; and the plug is mounted on the first housing. Then, the jack is mounted on the second housing, an adapter having a pair of identical fitting portions is mounted on one of the two housings, and the two housings are connected to each other, whereby the adapter is connected to the second housing. To connect the plug and the jack. Connector apparatus according to claim. 2. The connector device according to claim 1, wherein a positioning projection engaging with one of the two housings is formed on the adapter.