JPH0231808Y2 - - Google Patents

Description

[Detailed Description of the Invention] "Purpose of the Invention" The present invention relates to a fixing mechanism for attachment parts, which can easily form an accurate fixing state when attaching various electrical equipment, such as an escutcheon attached to the front of the equipment. Another object of the present invention is to provide a fixing mechanism that is not restricted by the formation position and that facilitates the fixing operation.

Industrial fields of application: Fixing mechanisms for attachment bodies to base bodies such as electrical equipment and escutcheons.

2. Description of the Related Art A mechanism generally employed in the past for attaching an escutcheon (decorative plate) to the front surface of electrical equipment is shown in FIGS. 5 to 7. That is, the base body 10
A flexible claw 11 with a wide portion 11a at the tip side is provided in the escutcheon 15, and a wide opening 16 into which the flexible claw 11 as described above is inserted is formed in the escutcheon 15. After inserting the flexible claw 11 as shown, as shown in FIG.
6, and the bendable claw tip 11b bent in this way is locked in the opening 16. Of course, if the escutcheon is made of a metal member, the bendable pawl may be formed on the escutcheon side and the opening may be provided in the base body.

In addition, in Utility Model Application No. 50-14554, locking claws (referred to as projections in this publication) with projections on the outside of the tips are provided oppositely, and these locking claws are inserted into the mounting holes, and both locking claws are It has been announced that a printed wiring board can be attached by bending it outward.

Problems to be Solved by the Invention However, in the conventional device as described above, the hole 16 is located at the L of the escutcheon 15 as shown in FIG.
When the bent portion 15a is provided along the inner surface of the bent portion 15a, the protruding length of the bent portion 11 is set to the bent portion 15a in order to bend the inserted bent portion 11.
or the width of the opening 16 is larger than the width of the bent part 15.
It is necessary to provide a gap for the bending operation between the bending portion 15a and the bendable claw 11, which is inserted above the inner surface line of a. In addition, in order to bend the wide end portion of the flexible claw 11 as shown in FIG. There are restrictions on the position where the holes 16 are formed.

Moreover, the width of the opening 16 must be sufficient to insert the wide tip of the bendable claw, so the tip of the bendable claw 11 is bent 1 as shown in FIG.
1b, a considerable play remains between the opening 16 and the insertion portion of the bendable claw 11, making it difficult to obtain a stable mounting condition.

In the above-mentioned Utility Model Publication No. 50-14554, 2
The operation of bending each of the two locking claws is complicated. In addition, the mounting holes for inserting both of the locking claws each having a protrusion on the outside are long, and even when they are locked, there is a gap between the mounting hole and the base end of each of the locking claws. This will cause the attached part (wiring board) to slide easily in the length direction of the mounting hole, resulting in looseness.
It has the disadvantage that effective fixation cannot be obtained.

``Structure of the invention'' Means for solving the problem When fixing the attachment body to the base body, a bendable locking pawl is provided protruding from one of the two body parts, and a bendable locking pawl is provided on the other body. A hole is formed into which a bent locking claw is inserted, and the bendable locking claw is inserted into the hole and fixed by being bent, and a non-contact hole is formed adjacent to the bendable locking claw. A bent pawl is provided, and the bendable locking pawl and the non-bendable pawl are formed to have the same width or have narrow tips, and a tool insertion gap is formed between the bendable locking pawl and the non-bendable pawl, and An attachment body fixing mechanism characterized in that the above-mentioned opening has a length corresponding to the width at the proximal end of the bendable locking claw and the non-bendable claw.

Function: The bendable locking pawl inserted into the hole is bent at its tip end in the width direction, and is locked and fixed to the outer surface of the hole. The bending can be easily achieved by inserting a screwdriver head or the like into the tool insertion gap, bringing the tip of the driver head into contact with the non-bendable claw, and then bending it down to accurately bend the bendable locking claw.

When both locking claws are inserted into the hole, there is a small gap between the outer edge of each locking claw and the longitudinal end of the hole, and the bending operation as described above creates a state where there is no gap. Because of this, it is said to be in a stable fixed state with no play.

Embodiment To explain the specific embodiment of the invention as described above, as shown in the attached drawings, the invention employs both different types of claws, a bendable locking claw and a non-bendable claw. As shown in FIG. 1, when attaching the escutcheon 1 to the base body 10, in this embodiment, an opening 6 is formed on the base body 10 side, and the tip of the escutcheon 1 can be made to have the same width or a slightly narrower width. A curved locking claw 2 and a non-bending claw 3 that is wider than the bendable locking claw 2 are provided adjacent to the curved locking claw 2, and the opening 6 has a length corresponding to the width between the proximal ends of these claws 2 and 3. I will take it as my own. Note that in the case shown in FIG. 1, the aperture 6 is provided using a mold escutcheon 10a attached to a base body 10 as the base body, but when such a mold escutcheon 10a is not used. Needless to say, the aperture 6 is formed directly in the base body 10, and in addition, such a mold escutcheon 1
0a, the present invention can be applied to the installation of the mold escutcheon 10a. In such a case, the base body 10 is provided with a bendable locking pawl, and the mold escutcheon 10a is provided with a separate opening. form a pore.

The details of the bendable locking pawl 2 and non-bendable pawl 3 portions described above are separately shown in FIG. 2, and a tool insertion gap 4 is formed between these pawls as shown in FIGS. 3 and 4. The tip of a tool 7, such as a screwdriver, is inserted into the gap 4, and the flexible locking claw 2 is fixed by bending the tip from the middle part. Its width is narrowed to enable machining, whereas non-bent claws 3
has a sufficient width so as not to be deformed even when the tool head is inserted or twisted as shown in FIG. 4, and acts as a fulcrum for the tip of the tool 7 when bent by the tool 7. This is as shown in the diagram.

"Effect of the invention" According to the invention as explained above, the locking and fixing can be easily achieved by simply bending only the tip of the bendable locking pawl that protrudes in the width direction of the plate. In this way, the pawl can be bent in the width direction of the plate, and since a tool head insertion gap is formed between the bendable locking pawl and the non-bendable pawl, the non-bendable pawl cannot be bent by inserting a tool. In addition to acting as a fulcrum and ensuring accurate bending and fixing, there are no particular restrictions on the placement positions of these claws and holes, and they do not require special space. Since both the retaining claw and the non-bending claw are inserted into the hole and the tip of the bendable claw is mainly bent, there is little gap between the hole and the inserted claws to create a stable structure. It has the effect of being able to form a mounting relationship, and is a highly effective device in practical terms.

[Brief explanation of drawings]

The drawings show the technical contents of the present invention, and FIG. 1 is a general perspective view showing one embodiment of the present invention, and FIG. 2 is a bendable locking pawl and a non-bendable pawl portion thereof. FIGS. 3 and 4 are plan views showing the bending operation of the bendable locking claw step by step, FIG. 5 is a perspective view showing the conventional fixing mechanism in an exploded state, and FIG. The figure is a front view of the bendable locking pawl in its inserted state, and FIG. 7 is a front view of the subsequent bending process. In these drawings, 1 is an escutcheon, 2 is a bendable locking pawl, 3 is a non-bendable pawl, 4 is a tool insertion gap, 6 is an opening, 7 is a tool head, 10 is a base body, and 10a is a mold escutcheon. It shows the cut.

Claims (1)

[Scope of utility model registration request] In fixing the attachment body to the base body, a flexible locking claw is provided protrudingly on one of the two members, an opening is formed in the other for inserting the flexible locking claw, and In the device in which the bendable locking claw is inserted into the opening and fixed by being bent, a non-bendable claw is provided adjacent to the bendable locking claw, and the bendable and non-bendable claws are connected to each other. The pawls are formed with equal widths or narrow tips, and a tool insertion gap is formed between the bendable locking pawls and the non-bendable pawls, and the above-mentioned opening is formed between the bendable locking pawls and the non-bendable pawls. An attachment part body fixing mechanism characterized in that the length corresponds to the width at the proximal end of the attachment part body.