JPS58158998A - Device for mounting printed board - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a printed circuit board mounting device that uses a plurality of rails to attach a printed circuit board to a base such as a cabinet, and the present invention relates to a printed circuit board mounting device that uses a plurality of rails to attach a printed circuit board to a base such as a cabinet. This is what I did.

In electronic devices such as television receivers and display monitors, printed circuit boards are often fixed to cabinets using multiple rails. FIG. 1 shows an example of this, in which a printed circuit board is fixed using four rails. In this case, the three rails 1
, 2.3 are fixed to a base body 6 such as a cabinet with screws 4, and the retaining grooves 6 of the rails 1, 2.3 are
After inserting and fitting the printed circuit board 7, insert the remaining rail 8 so that the remaining side of the printed circuit board 7 fits into the holding groove 6, and then proceed in the same manner as the other rails 1. It was fixed to the base body 6 with screws 4. However, this method has poor workability because all rails 1, 2, 3, and 8 are fixed with screws 4, especially when all four rails are fixed to the base 5 as in the above example. This was extremely inconvenient in practical terms.

The present invention eliminates the above-mentioned drawbacks and makes it possible to attach the rail to the base body without using screws. 2 to 10 showing one embodiment of the present invention.
This will be explained using figures.

Figure 2 shows the basic concept of how to install rails. Three of the four rails are 11°12.13
are each provided with a locking portion, while the base body 14 is provided with a mounting hole, and after inserting the locking portion into the mounting hole (as shown by the dashed dotted line in Fig. 2), each of the locking portions is inserted outwardly (in the direction of the arrow). In the state in which the movable locking portion is locked to the base color (the state shown by the solid line in Fig. 2), each rail 11, 121, 13 is moved as shown in the figure.
Insert the printed circuit board 16 between the
are held by each rail 11, 12.13, and the printed circuit board 15 is held by the rails 11, 12.13 to prevent the rails 11, 12.13 from moving to their original positions (insertion positions). 12.13 is installed. After this, the remaining rail 16 may be fixed to the base body 14 with screws 17.

FIG. 3 shows the construction of the rails 11, 12, 13 and the two parts of the retainer 11. Since both the rails 11, 12, 13 have the same shape, only the rail 11 will be described here.

The rail 11 has a holding groove iia into which one side of the printed circuit board 15 fits, and has an L groove at both ends of the bottom surface when viewed from the side.
A letter-shaped locking piece 11b is integrally provided to protrude, and a protrusion 11C is integrally provided so as to be located between the locking pieces 11b. This rail 11. Locking piece 11b, protrusion 110
can be integrally formed from synthetic resin.

FIG. 4 shows the structure of the base body 14, which includes a pair of attachment holes 18 into which the pair of locking pieces 11b fit, and a hole 19 located between the attachment holes 180. 5 and 6 are for explaining the process of attaching the rail 11 to the base body 14, in which the locking piece 11b of the rail 11 is inserted into the attachment hole 18, and from this position the rail 11 is attached to the base body 14. 2 to position one end of the base body 14 in the gap between the main body portion of the rail 11 and the locking piece 11b, and partially sandwich the base body 14 with the rail 11,
The base 1 of the rail 11 is assembled by fitting the protrusion 110 into the hole 19.
4, and then attach the printed circuit board 16 to the rail 11.
The rail 11 is prevented from falling off from the base body 14 until the rails 11 are fitted together.

The other rails 12, 13 are attached to the base body 14 in the same manner. In this state, the width between the rails 11 and 130 becomes wide enough to fit the printed circuit board 16 for the first time, and each rail 11
, 12. The printed circuit board 15 is inserted and fitted into the holding grooves of 13. As a result, the printed circuit board 15 is connected to the rail 111.
121 held by 13 and still rail 11.1.2
．． 13 is attached to the base 14 without returning to its original position due to the presence of the printed circuit board 16. Thereafter, the remaining rails 16 are fitted onto sides parallel to the sides held by the rails 12 of the printed circuit board 15, and in this state are fixed to the base body 14 with screws 17. According to this configuration, the three rails 11, 12, and 13 only need to be moved after being inserted into the mounting holes, and screws are not necessary, and only the remaining rail 16 needs to be secured with screws. Therefore, workability is extremely improved.

7 and 9 show other embodiments of the locking portion of the rail, and FIGS. 8 and 10 show how the rail is attached to the base body. Figure 7 shows 3 from the shaft part 20.
This is an example in which a locking piece 21 is provided so as to spread in the direction, and correspondingly, a convex mounting hole 22 is provided in the base body 14 as shown in FIG. In this example, the locking piece 24 is provided so as to extend in two directions with respect to the shaft 23. Correspondingly, the base 14 has a shaft portion on the locking piece 24, as shown in FIG. 23 and a hole 25 is provided. In either case, the same effects as the embodiments shown in FIGS. 3 and 4 can be obtained.

In the above embodiment, the case was described in which four rails were provided separately from the base and then reattached to the base. Even when they are integrally molded, the same effects can be obtained by attaching one of the remaining two rails in the same way.

As explained above, according to the present invention, only one rail needs to be fixed with screws, and the other rails can be inserted into the mounting holes of the base and moved, and then the printed circuit board can be inserted into the holding holes. It can be attached to the base by
Workability is much improved.

[Brief explanation of the drawing]

FIG. 1 is an exploded perspective view of a conventional printed circuit board mounting device, FIG. 2 is a plan view for explaining the concept of the printed circuit board mounting device of the present invention, and FIGS. The front view and the side view of the rail used for the printed circuit board mounting device in an Example. A bottom view, FIG. 4 is a plan view showing the structure of the base, FIGS. 6 and 6 are sectional views for explaining the process of attaching the rail to the base, FIGS. a. b and c are front and side views showing other examples of rails. The bottom view, FIG. 8, and FIG. 1o are plan views showing the structure of the base body corresponding to the rails of FIGS. 7 and 9, respectively. 11, 12. 13. 16...
-Role, 111L...Retaining hole, 1
1b...Locking piece, 110...Protrusion, 1
4... Base body, 16... Printed circuit board,
18... Mounting hole, 19... Hole. Name of agent: Patent attorney Toshio Nakao and 1 other person
1 Figure 2 Figure 2 Figure 3 // // nc 4 Figure 5 Figure 617 Figure 7 (al (1,> Figure 9 1 (2) Figure 8 of tb

Claims (2)

[Claims] (1) At least one pair of rails each having a holding groove into which a printed circuit board fits is provided, the pair of rails is configured to sandwich and hold the printed circuit board, and the bottom surface of at least one of the rails is engaged with the pair of rails. Each of the stop parts is provided with a mounting hole in which the locking part fits into the base body to which the rail is attached, and one end edge of the printed circuit board is mounted to the rail by inserting and moving the locking part into the mounting hole. A printed circuit board mounting device that makes it possible to attach rails to the base. (2) Rail with a holding groove into which the printed circuit board fits
These four rails are divided into two sets, and the two rails in each set are arranged so as to face each other, and the two sets are arranged so as to be perpendicular to each other. The book rail is provided with a locking portion on the bottom surface, and the base body to which the rail is attached is provided with mounting holes into which the locking portion 1 is fitted, corresponding to each locking portion. Printed circuit board mounting equipment.