JP2009174624A - Panel anchor - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To inexpensively provide a panel anchor for a customer, by reducing labor in assembling work in manufacture, by reducing components, by stably fixing a facility apparatus, by surely and easily installing the anchor from one side of a panel. <P>SOLUTION: This anchor to be fixed in a through-hole arranged in the panel, is composed of a cross-sectional substantially U-shaped anchor body 10 composed of both side plates 13 and 14 having small holes 15 and 16 being opposed arrangement to a substrate 11 having a screw hole, an installation part having a pair of projection pieces inserted into the small holes of both side plates and an installation hole of a screw shaft of a fixing member in the center, and a synthetic resin thin plate-like support body 20 composed of a tongue piece projected outside from the edge of the installation part, and is constituted so that the screw shaft can threadedly engage with a screw hole of the anchor body reversed by resiliency of the tongue piece of the support body after passing, by rotating the anchor body so as to become substantially parallel to the screw shaft of a fixing member installed in the installation hole of the support body when passing through the through-hole of the panel. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an anchor for fixing materials for electric and facilities, lighting equipment, equipment and the like to a panel constituting a ceiling or a wall when constructing a building.

Conventionally, Japanese Patent Application Laid-Open No. 2002-238503 has been disclosed as an anchor for this type of panel, and the structure thereof is an attachment member for attaching a screw shaft, an anchor portion rotatably attached to the attachment member, and a parallel position with respect to the screw shaft. Are assembled from three parts of a biasing member that biases the anchor portion toward a position orthogonal to the screw shaft.
Further, the anchor portion is provided with a stopper mechanism for stopping the anchor portion at a position orthogonal to the screw shaft.
JP 2002-238503 A

The problem with the conventional method described above is that it is composed of three components, so that there is a problem that parts cost and assembly processing cost at the time of manufacture are considerably increased, and it becomes difficult to further reduce the manufacturing cost.

  The present invention has been made in view of the above-described conventional problems, and its purpose is to be able to securely and easily attach an anchor from one side of the panel to stably fix equipment and the like, and to reduce the number of components. It is to be able to provide the user with low cost by saving the assembly work at the time of manufacture.

As a means for that, claim 1 of the present invention is an anchor for adhering to a through hole provided in a panel, and is a substantially U-shaped cross section comprising side plates having small holes opposed to a substrate having screw holes. And a pair of projecting pieces to be inserted into the small holes of the both side plates oppositely arranged at both ends, a mounting portion having a mounting hole for a screw shaft of a fixing member at the center, and an edge of the mounting portion A fixing member made of a synthetic resin thin plate-like support made of a tongue piece projecting outward from the base, wherein the anchor body is attached to the attachment hole of the support when passing through the through-hole of the panel The screw shaft can be screwed into the screw hole of the anchor main body which is rotated by the repulsive force of the tongue of the support after passing through and is rotated so as to be substantially parallel to the screw shaft.

According to a second aspect of the present invention, there is provided a restriction piece projecting inwardly on the substrate of the anchor main body.

A third aspect of the present invention is characterized in that a locking piece directed from the hole edge of the mounting hole of the support to the center is provided.

According to a fourth aspect of the present invention, an anti-slip piece is provided on an end surface of the side plate of the anchor body.

According to the first aspect of the present invention, the anchor body having a substantially U-shaped cross section composed of both side plates having small holes opposed to the substrate having screw holes, and a pair inserted into the small holes of the anchor body. A synthetic resin thin plate comprising a mounting portion having a mounting hole for a screw shaft of a fixing member and a tongue piece projecting outward from an edge of the mounting portion. Therefore, it is possible to reduce the number of components and one process of assembling work.
In addition, since the support is made of a synthetic resin thin plate, the assembly work to the anchor body is a simple work that can be simply pushed with a finger using the flexibility of the resin. No large machine is used.
That is, it is possible to reduce the cost of the product by reducing the number of components, saving labor and simplifying the assembly work, and providing it to the consumer at a low price.
Also, in terms of function, when passing through the through hole of the panel, the anchor body is rotated so as to be substantially parallel to the screw shaft of the fixing member attached to the mounting hole of the support, and after passing, the support is supported. Since the screw shaft can be screwed into the screw hole of the anchor body inverted by the repulsive force of the tongue of the body, the anchor body is securely hooked on the back of the panel, so that equipment and equipment can be securely Can be fixed to.

According to claim 2 of the present invention, when the anchor body is reversed by the repulsive force of the tongue piece after passing through the through hole of the panel by providing the restriction piece protruding inward on the substrate of the anchor body. This restricting piece can be prevented from coming into contact with the outer periphery of the screw shaft to prevent the anchor main body and the screw shaft from being in a parallel state again, and the anchor main body inserted into the back of the panel can be prevented from coming off.
That is, when the anchoring piece of the anchor body abuts on the outer periphery of the screw shaft, the screw shaft and the anchor body are held in an intersecting state with a certain angle, and the end face direction when the anchor body and the screw shaft are parallel to each other The edge of the anchor body must be hooked on the back of the panel in the vicinity of the through hole so that the anchor body once inserted into the back of the panel can be reliably prevented from coming out. , Work certainty is improved.

According to the third aspect of the present invention, the locking piece is provided toward the center from the hole edge of the mounting hole of the support body, and the screw shaft is pushed into the mounting hole by utilizing the flexibility of the locking piece. Therefore, workability is improved.

According to claim 4 of the present invention, by providing a non-slip piece on the end face of the side plate of the anchor main body, the non-slip piece is inserted into the back surface of the panel by tightening the screw shaft and the positional deviation after installation is eliminated. The equipment can be fixed with high accuracy.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
FIG. 1 is a perspective view showing an embodiment of a panel anchor according to the present invention, FIG. 2 is a central longitudinal sectional view, and FIG.
Reference numeral 10 denotes an anchor body formed by bending a thin steel plate so as to have a substantially U-shaped cross section. A screw hole 12 is formed in the approximate center of the substrate 11.
Small holes 15 and 16 are formed in the side plates 13 and 14 so as to face each other at positions that are aligned with the axis of the screw hole 12.
The overall length of the anchor body 10 is longer than the diameter of the through hole provided in the panel, and the space between the side plates 13 and 14 is formed wider than the outer diameter of the screw shaft.
Reference numeral 17 denotes a restriction piece provided on the substrate 11, which is integrally formed in a state in which a part of the substrate 11 is cut and bent inward to protrude.
18 are anti-slip pieces provided opposite to each of the two side plates 13 and 14, each projecting outward from the end face and integrally formed. May be.
Reference numeral 20 denotes a support integrally formed by punching a synthetic resin thin plate by pressing or the like. The support 20 includes a ring-shaped attachment portion 21 and a tongue piece 26 projecting outward from its end edge. An attachment hole 22 is formed in the center of the screw shaft so that the diameter is slightly smaller than the outer diameter of the screw shaft so that the screw shaft can be screwed in, and a pair of projecting pieces 23 and 24 are opposed to both ends of the small hole 15 of the anchor body 10. , 16 slightly smaller than the diameter.
The thickness of the support 20 may be a thickness that allows the screw shaft to be screwed in, but is preferably about 0.5 mm to 1.2 mm.
As shown in FIG. 4, the mounting holes 22 are provided by equally allocating four locking pieces 25... From the hole edge toward the center, and using the flexibility of the locking pieces 25. It is also possible to make it possible to attach by pushing into the hole 22.
The locking piece 25 may be provided at one place or a plurality of places. In short, it is sufficient if the screw shaft can be pushed in and attached.
Reference numeral 26 denotes a tongue piece, which protrudes outwardly from the end of the mounting portion 21 at a position substantially orthogonal to the pair of protruding pieces 23 and 24.

The anchor body 10 is inserted into the small holes 15 and 16 formed in the side plates 13 and 14 of the anchor body 10 by inserting the projection pieces 23 and 24 of the support body 20, respectively. Can be rotated about the center axis.
At that time, the tongue piece of the support 20 is arranged so as to face the side opposite to the regulating piece provided on the substrate 11 of the anchor body 10.
Moreover, the screw hole 12 of the anchor main body 10 and the mounting hole 22 of the support body 20 will be arrange | positioned on a coaxial core.
Therefore, as shown in FIG. 5, with the screw shaft A screwed into the mounting hole 22, the anchor body 10 is rotated toward the screw shaft A side, and the substrate 11 of the anchor body 10 once contacts the tongue piece 25. When the tongue piece 25 is released from the state where the tongue piece 25 is rotated to the state of being pushed and bent, the substrate 11 is pushed back by the repulsive force of the tongue piece 25, and the anchor body 10 can be reversed.

Next, the usage method of this invention is demonstrated in detail by an Example.
FIG. 6 is explanatory drawing 1 which shows the use condition of the Example of this invention.
With the tip of the screw shaft A screwed into the mounting hole 22 of the support 20, the anchor body 10 is rotated toward the screw shaft A side, and both side plates 13, 14 of the anchor body 10 are externally fitted to the screw shaft A. Then, it passes through the through hole C provided in the panel B in a substantially parallel state, and after passing, the anchor body 10 is reversed by the substrate 11 being pushed back by the repulsive force of the tongue piece 26 of the support 20.
The screw shaft A is pulled forward and the screw shaft A is rotated in a state where the end surfaces of the side plates 13 and 14 of the anchor body 10 are in contact with the back surface of the panel B, and screwed into the screw holes 12 to be fixed.
By fitting the through hole provided in the equipment device D to the screw shaft A that protrudes from the panel B, and further tightening the nut E, the equipment device D can be securely fixed.

The perspective view which shows the Example of this invention Central longitudinal sectional view showing an embodiment of the present invention Configuration explanatory diagram showing an embodiment of the present invention The top view which shows another Example of the support body of this invention Functional explanatory diagram of an embodiment of the present invention FIG. 1 is a diagram illustrating a use state of an embodiment of the present invention. Explanatory drawing which shows the use condition of the Example of this invention

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Anchor main body 12 Screw hole 17 Restriction piece 18 Anti-slip piece 20 Support body 22 Mounting hole 25 Locking piece 26 Tongue piece A Screw shaft B Panel C Through-hole

Claims (4)

An anchor for fixing to a through-hole provided in a panel, an anchor body having a substantially U-shaped cross section composed of both side plates having small holes opposed to a substrate having screw holes, A pair of projecting pieces to be inserted into the holes are arranged opposite to both ends, and from the mounting part having a mounting hole for the screw shaft of the fixing member at the center and a tongue piece projecting outward from the edge of the mounting part And a synthetic resin thin plate-like support, and when passing through the through hole of the panel, the anchor body is rotated so as to be substantially parallel to the screw shaft of the fixing member attached to the attachment hole of the support. The panel anchor is characterized in that the screw shaft can be screwed into the screw hole of the anchor body reversed by the repulsive force of the tongue of the support after passing. The panel anchor according to claim 1, wherein a restriction piece protruding inward is provided on a substrate of the anchor main body. The panel anchor according to claim 1, wherein a locking piece is provided from a hole edge of the mounting hole of the support toward the center. The panel anchor according to claim 1, wherein an anti-slip piece is provided on an end surface of the side plate of the anchor main body.

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