JPH03564Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial field of application] The invention is based on the invention by bending a thin plate material into a flat U-shape to form an upper piece and a lower piece facing each other, and attaching a nut to the upper piece of the clip body. The present invention relates to an improvement of a so-called clip nut that is fastened with.

[Conventional technology]

By the way, clip nuts are often used when attaching to panel material and fixing the panel material in a predetermined position with bolts.
-There is one described in Publication No. 19454. When connecting a nut to the clip body, which is formed by bending a plate material into a flat U-shape and forming upper and lower pieces facing each other, the above-mentioned nut seat is inserted into the round hole formed in the upper piece of the clip body. The nut is fixed to the upper piece of the clip main body by fitting the annular protrusion on the sides and crushing the lower surface of the annular protrusion into a diameter-expanding shape. Further, a substantially C-shaped raised portion is formed on the upper part of the clip body, and is in contact with the outer periphery of the nut, thereby preventing the bolt and the nut from rotating together when the bolt is screwed together. It is.

In another device disclosed in Japanese Patent Publication No. 49-41235, the nut is held in a predetermined position by a plurality of locking pieces cut and raised from the upper part of the clip body.

[Problem that the invention attempts to solve]

However, for the former type of clip nut, it is necessary to specially prepare a nut with a special shape, that is, a nut with an annular protrusion protruding from the seat surface, and by crushing the annular protrusion of the nut, the clip body In order to fix the nut to the upper piece and prevent the nut from rotating, the upper piece of the clip body to which this is attached must be formed with a raised part that touches the outer periphery of the nut. Since the locking piece is formed and then the nut is interposed therein, it takes a lot of time and effort to manufacture the clip nut, and the manufacturing cost is high.

Therefore, the present invention allows a normal hexagonal nut to be used without preparing a special-shaped nut as in the past, and has a simple structure that allows the nut to be easily fixed to the clip body and prevented from rotating. The purpose is to provide clip nuts that are as easy to obtain as possible.

[Means to solve the problem]

In order to achieve the above object, the present invention is made as follows.

That is, the upper piece of the clip main body, which is formed by bending a thin plate material into a flat U-shape so that the upper piece and the lower piece face each other, has an engagement hole that matches the outer shape of the hexagonal nut to be fixed thereto. By fitting the nut into the engagement hole and crushing the opposing apex corners of the nut from above and below toward the inner and outer surfaces of the upper piece, the nut is attached to the upper piece of the clip body. It is characterized by being fixed to. When the seat surface of the nut is to be flush with the inner surface of the upper part of the clip body or to be located inward from the inner surface, the inner edge of the engagement hole may be formed to rise outward and upward. It is.

[Effect]

According to the above structure, when the clip nut is inserted from the open side edge of the panel material, the panel material is clamped by the upper and lower pieces of the clip body. Therefore, the nuts fixed to the upper part of the clip body are positioned concentrically opposite to each other in the bolt insertion holes previously formed in the panel material, and then the bolts are screwed into the clip nuts to form the panel material. It can be attached to a predetermined member. In addition, since the nut is hexagonal and the engagement hole in which it is engaged matches the outer shape of the nut, the bolt and the nut are prevented from rotating together when the bolt is screwed together. Furthermore, since the apex corner of the nut is crushed toward the inner and outer surfaces of the upper piece, the bolt is fixed to the clip body and the bolt can be screwed together well. It will become.

〔Example〕

Next, embodiments of the present invention will be described based on the drawings. The clip main body 1 is formed by bending an appropriately shaped metal thin plate into a flat U-shape to form an upper piece 2 and a lower piece 3 with the bent portion as a boundary. An engaging hole 5 is formed to fit a hexagonal nut 4 in accordance with the outer shape of the nut. However, with the nut 4 fitted into the engagement hole 5, the opposed apex portions 6, 6 of the nut 4 are crushed 6' from above and below toward the outer surface and inner surface of the upper piece 2, respectively. , the nut 4 is fixed to the upper piece 2 of the clip body.
Note that the tip portion 7 of the (upper piece 2 or) lower piece 3 of the clip body is bent outward at an angle to facilitate attachment of the clip body 1 to the panel material 10, and the end portion of the lower piece A round hole or approximately semicircular notch 8 is formed in the hole for the bolt to pass through.

In the clip nut formed as described above, the seat surface 4' of the nut 4 protrudes downward (inward) from the inner surface 2' of the upper piece 2 of the panel body 1, and these should be the same plane. If you wish to position the nut seat surface 4' inward from the inner surface 2' of the upper piece, the area around the engagement hole 4 in the upper piece 2 is raised as shown in Figs. give 9,
It is sufficient to crush the nut 6' toward the rising surface.

According to the above structure, when the clip body 1 is inserted from the side edge of the panel 10 as shown in FIG. 5, the panel material 10 is clamped between the upper and lower pieces 2 and 3 of the body. Here, the bolt 12 is screwed into the nut 4 with the nut 4 fixed to the upper part of the clip body facing the bolt insertion hole 11 formed in advance in the panel material. The material 10 can be attached to a predetermined member 13. The nut 4 has a hexagonal shape, and the engagement hole 5 in which it is engaged is made to match the outer shape of the nut 4, and the apex portions 6, 6' of the hexagonal nut are crushed 6' from above and below. By doing this, the upper piece 2 is clamped, so that when the bolt 12 is screwed together, the bolt and the nut are prevented from rotating together and coming off from the clip body, and the screwing of the bolt is prevented. This means that it can be done.

[Effect of idea]

The present invention has the following effects.

Unlike the nuts used in this type of clip, which have a special annular protrusion (hub) on the seat surface, the nuts used in this invention can be used as standard general-purpose hexagonal nuts. So it is economical.

Furthermore, when using the present invention, no other special processing is required to prevent the nut from rotating, and since the opposing apex corners of the nut are crushed from both the top and bottom surfaces, not only does it not damage the screw hole, but it also The fixation is more reliable and strong compared to the conventional method, and movement not only in the circumferential direction but also in the axial direction can be completely prevented.

The nut can be caulked over a wider area and at two or more locations than conventional annular protrusions, and in addition, crushing the annular protrusions uniformly would result in scratches that would divide the protrusions in the circumferential direction. This problem does not occur and the finish is good.

In the present invention, there is no problem even if the nut enters the engagement hole of the clip body in the opposite direction, so there is no need to separate the front and back sides of the nut as in the past.

[Brief explanation of drawings]

The drawings show embodiments of the present invention.
The figure is a plan view of the clip nut, Figures 3 and 4 are cross-sectional views taken along lines AA and B-B in Figures 1 and 2, and Figure 5 is a cross-sectional view showing how the clip nut is used. 1...Clip body, 2...Top piece, 3...Bottom piece, 4...Nut, 5...Engaging hole, 6...Top corner, 6'...Crushing, 9...Rising surface, 10 ……
Panel material.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) Fixed to the upper piece of the clip main body, which is formed by bending an appropriately shaped thin plate material into a flat U-shape so that the upper piece and the lower piece face each other. An engaging hole is formed that matches the outer shape of the hexagonal nut to be used, and the nut is fitted into the engaging hole, and the opposing apex corners of the nut are crushed from above and below toward the inner and outer surfaces of the upper piece, respectively. A clip nut characterized in that the nut is fixed to the upper piece of the clip body by doing so. (2) The clip nut according to claim (1) of the utility model registration, characterized in that the inner edge of the engagement hole provided in the upper piece of the clip main body is formed in an outwardly upwardly rising shape.