JPH0625814U - Optical connector adapter mounting bracket - Google Patents

Abstract

(57) [Abstract] [Purpose] A mounting bracket for fixing the optical connector adapter to the printed circuit board to simplify the attachment and detachment of the optical connector adapter to and from the printed circuit board. [Constitution] Two U-shaped metal fittings 2, 2 which are separate or integrated
Have. The U-shaped metal fittings 2 and 2 are provided with fitting portions 5 and 5 which are fixed by fitting them to the optical connector adapter 3.
Two leg pieces 6 and 6 are vertically provided from the fitting portions 5 and 5, respectively. A fixing portion 8 of a push-in type or a screw type is provided at the lower end of each leg piece 6, 6.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a mounting bracket for a substrate mounting type optical connector adapter.

[0002]

[Prior art]

 As a conventional board-mounted optical connector adapter, for example, as shown in FIG. 8, the optical connector adapter c is fixed to a rising portion b of an L-shaped metal fitting a with a screw d, and the L-shaped metal fitting a is attached to a printed circuit board e. It is known that it is fixed by screwing (not shown), welding or the like.

[0003]

[Problems to be solved by the device]

 However, according to the conventional means as described above, the fixing of the L-shaped metal fitting a and the optical connector adapter c by the screw d is not easy enough in terms of the attachment / detachment operability, and the L-shaped metal fitting a is printed. Welding to the substrate e has a problem that the fixing work is troublesome and the workability of exchanging the optical connector adapters such as single core and multiple cores is poor.

The present invention has been made in view of the above-mentioned problems of the above-described conventional technology, and facilitates the mounting of the optical connector adapter and the mounting bracket, and the mounting bracket and the printed circuit board, and It is an object of the present invention to provide a mounting bracket for an optical connector adapter that allows the connector adapter to be easily attached to and detached from a printed circuit board.

[0005]

[Means for Solving the Problems]

 In order to achieve the above object, the mounting bracket of the optical connector adapter of the present invention is provided with a fitting portion which is fixed by fitting with the optical connector adapter, and a leg having a fixing portion for the printed board at the lower end. It is characterized in that the piece is vertically arranged from the fitting portion.

[0006]

[Operation] When the mounting bracket is pushed into both sides or the upper surface of the optical connector adapter from the upper side to the lower side, the protrusions on the both sides of the optical connector adapter or the opening on the upper side of the both sides. The fitting part is fitted to the mating groove or the upper surface of the optical connector adapter to fix the optical connector adapter and the mounting bracket.

In this state, the fixing portion at the lower end of the leg piece of the mounting bracket is fixed to the printed circuit board, and the fixing portion is provided at both ends of the leg piece to which the cutout groove is vertically provided to give the spring property. There are two types of stoppers, one that is symmetrically projecting from the surface and the side is formed as an inclined surface, and the other is the screw fixing method that bends the lower end of the leg piece to the outside at a right angle to open a circular hole. In the case of the shape, the printed board is pushed into an engaging hole formed in the printed circuit board to be fixed to the lower edge of the engaging hole. On the other hand, in the screw fixing method, the optical connector adapter can be fixed to the printed circuit board by inserting the screw through the circular hole and screwing the screw into the printed circuit board.

In the fixed state of the above-mentioned optical connector adapter, when the fixing portion has a stopper shape, the lower end of the leg piece is elastically deformed inward by using a tool such as pliers, so that the lower edge of the engaging hole is After disengagement, the optical connector adapter can be removed from the printed circuit board by pulling it up.

When the fixing portion is a screw fixing type, the optical connector adapter can be removed from the printed board by screwing the screw.

By pulling out the mounting bracket from the optical connector adapter, the two can be separated.

[0011]

【Example】

 Hereinafter, an embodiment of a mounting bracket for an optical connector adapter according to the present invention will be described in detail with reference to the drawings. FIGS. 1 to 3 show the first embodiment, and FIGS. 4 and 5 show the second embodiment. For example, FIG. 6 shows the third embodiment and FIG. 7 shows the fourth embodiment. First, the first embodiment will be described.

As shown in FIGS. 1 to 3, the mounting bracket 1 is composed of a pair of left and right U-shaped brackets 2 and 2 having a downward U-shape. The two U-shaped metal fittings 2 and 2 are formed to have the same shape and the same size, and each of them is fitted to a rectangular protrusion 4 projecting substantially at the center of the left and right side surfaces 3a and 3a of the optical connector adapter 3. A fitting portion 5 for doing so is provided.

The fitting portion 5 is formed in a downward U-shaped spring groove, and stoppers 5 a and 5 a that engage with the lower end of the protrusion 4 are provided in the lower portion thereof so as to face each other. The lower surfaces of the stoppers 5a, 5a are formed as inclined surfaces 5b so that the spring grooves are expanded by contact with the protrusions 4 by the pushing operation.

From the front and rear sides of the fitting part 5, two leg pieces 6, 6 are vertically extended downward, and a fixing part 8 for supporting and fixing to a printed circuit board 7 is provided at the lower end thereof. .

The fixing portion 8 is formed in a stopper shape by symmetrically projecting from the front and rear sides of the leg pieces 6, 6, and the lower surface thereof is formed on an inclined surface 8a that inclines downward from the outside to the inside. In addition, the leg pieces 6 and 6 are vertically provided with a notch groove 6a having a downward opening, so that the fixing portions 8 and 8 are pushed into the mounting holes 9 and 9 formed in the printed circuit board 7. By the insertion, the inclined surfaces 8a, 8a abut against the opening edges of the mounting holes 9, 9, whereby the fixing portion 8 is deformed inward against the spring force and fitted into the mounting hole 9. I am trying to do it.

The mounting bracket 1 and the printed circuit board 7 are fixedly held by engaging the above-mentioned stopper-shaped fixing portion 8 with the lower edge of the mounting hole 9.

Therefore, in the case of using the mounting bracket 1, when the U-shaped brackets 2 and 2 are pushed downward along the left and right side surfaces 3a and 3a of the optical connector adapter 3, the stopper 5a, When the inclined surfaces 5b, 5b of 5a abut on the protrusions 4, 4, the fitting portions 5, 5 formed in the spring groove are expanded and fitted into the protrusions 4, 4, so that The mounting bracket 1 and the optical connector adapter 3 are fixed as shown in FIG.

The attachment of the optical connector adapter 3 to the printed circuit board 7 by the attachment fitting 1 is performed as described above and as shown in FIG.

Next, the second embodiment shown in FIGS. 4 and 5 will be described in detail. The basic structure is the same as that of the first embodiment, except for the following points. The fixing portion 8 is formed by bending the lower ends of the leg pieces 6 and 6 outward to form a fixing plate portion 8b. The fixing plate portion 8b is provided with a circular hole 8c and is screwed on the printed circuit board 7 with screws 10 and 10. It is formed by a so-called screw fixing method.

Also in the case of this mounting bracket 1, the fitting portion 5 is fitted to the protrusion 4 of the optical connector adapter 3 to fix the U-shaped brackets 2 and 2 to both sides of the optical connector adapter 3 and By fixing the fixing portions 8 and 8 of the metal fittings 2 and 2, that is, the fixing plate portions 8b and 8b with the screws 10 and 10, the optical connector adapter 3 is fixed to the printed circuit board 7 as shown in FIG.

Next, the third embodiment of FIG. 6 will be described in detail. The basic configuration thereof is the same as that of the first embodiment described above, except for the following points. The fitting portion 5 is formed in the shape of an engaging piece by bending the fitting portion 5 from the front and rear of the upper edges of the U-shaped metal fittings 2 and 2 toward the inner lower side in a substantially inverted U shape on the front surface.

In the case of this mounting bracket 1, the engaging pieces 5 and 5 in the form of engaging pieces are provided on the upper surface 3b of the optical connector adapter 3 in the engaging grooves 11 and 11 formed on both left and right sides thereof. By fitting, both U-shaped metal fittings 2 and 2 are superposed and fixed along both side surfaces 3a and 3a of the optical connector adapter 3.

Next, the fourth embodiment of FIG. 7 will be described in detail. The basic structure thereof is the same as that of the first embodiment, except for the following points. The U-shaped metal fittings 2 and 2 having downward openings are integrally connected by the connecting plates 12, 12 and 12 at regular intervals in the front-rear direction. The fitting portions 5 and 5 are formed in a downward U-shape and are opposed to each other on the front and rear sides.

Therefore, in the case of this mounting bracket 1, the fitting is fixed by pushing the fitting portions 5 and 5 from the upper side to the upper surface 3b and the left and right side surfaces 3a and 3a of the optical connector adapter 3. .

[0025]

[Effect of device]

 Since the present invention is configured as described above, the fitting of the optical connector adapter and the fitting portion can be performed by simply pushing the mounting bracket downward from the optical connector adapter. The optical connector adapter can be attached and detached from the printed circuit board easily and securely because the fixing part at the lower end of the leg can be fixed to the printed circuit board by pushing or screwing.

Further, since it can be easily mass-produced by pressing, etc., and any one can be selected according to the size (the number of cores), the shape, etc. of the optical connector adapter, the workability is good and it is economical. Have advantages.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing a first embodiment of a mounting bracket for an optical connector adapter according to the present invention.

FIG. 2 is a perspective view showing a fixed state of the optical connector adapter and the mounting bracket of the above embodiment.

FIG. 3 is a partial cross-sectional side view showing a usage state of the embodiment.

FIG. 4 is a perspective view showing a second embodiment of a mounting bracket of the optical connector adapter of the same.

FIG. 5 is a partial cross-sectional side view showing a usage state of the embodiment.

FIG. 6 is a perspective view showing a third embodiment of a mounting bracket of the optical connector adapter of the same.

FIG. 7 is a perspective view showing a fourth embodiment of a mounting bracket of the optical connector adapter of the same.

FIG. 8 is a side view showing a usage state of a mounting bracket of a conventional optical connector adapter.

[Explanation of symbols]

 1 Mounting bracket 3 Optical connector adapter 5 Fitting part 6 Leg piece 7 Printed circuit board 8 Fixed part

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Akira Kawahara 4-15-9 Nakano, Nakano-ku, Tokyo Sanwa Denki Kogyo Co., Ltd. (72) Toshiaki Furukawa 4-15-9 Nakano, Nakano-ku, Tokyo No. Sanwa Denki Kogyo Co., Ltd. (72) Inventor Yasuhiro Ando 1-1-6 Uchisaiwaicho, Chiyoda-ku, Tokyo Nihon Telegraph and Telephone Corporation (72) Shinichi Iwano 1-1-1, Uchisaiwaicho, Chiyoda-ku, Tokyo No. 6 Nihon Telegraph and Telephone Corporation (72) Creator Ryo Nagase 1-1-1, Uchisaiwaicho, Chiyoda-ku, Tokyo No. 6 Nihon Telegraph and Telephone Corporation (72) Creator Kazunori Kanayama 1-1-1, Uchisaiwaicho, Chiyoda-ku, Tokyo No. 6 Nihon Telegraph and Telephone Corporation (72) Creator Tatsuomi Matsumoto 5-5-23 Osaki, Shinagawa-ku, Tokyo Hirose Electric Co., Ltd. (72) Creator Takashi Nishiyama Tokyo Hirosaki Electric Co., Ltd. 5-5-23 Osaki, Shinagawa-ku (72) Creator Toshiaki Nakano 6-18-12 Meguro Honmachi, Meguro-ku, Tokyo Honda Communication Industry Co., Ltd. (72) Creator Hiromasa Okamura Meguro, Tokyo 6-18-12 Meguro Honmachi, Honda Communication Co., Ltd.

Claims (1)

[Scope of utility model registration request] 1. A leg piece having a fitting portion fixed by fitting with an optical connector adapter and having a fixing portion for a printed circuit board at a lower end thereof is vertically provided from the fitting portion. A featured optical connector adapter mounting bracket.