JP2764040B2 - Fixture for flexible boards - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a fixture for attaching an article to a soft wall or ceiling of a gypsum board or a thin veneer (hereinafter referred to as a soft board).

(Prior Art) When mounting an air conditioner, a shelf, a hook, a lighting device, or the like on a wall or ceiling of a soft board, conventionally, the following two methods have been generally adopted. First, as shown in FIG. 8, a wooden base plate b is pre-installed on the back surface of the soft board a, and for example, when attaching a hook c, a wood screw d is passed through the soft board a to the base board b. It is a method of screwing and fixing, the second is as shown in FIG. 9,
This is a method of fixing with an anchor member e or f expanding on the back surface of the soft board a without using a base plate. In addition to this, the invention was devised by the inventor, and is disclosed in Japanese Utility Model Laid-Open Publication No.
There is a fixing method disclosed in JP-A-3-59579.

(Problems to be Solved by the Invention) Among the above-mentioned conventional techniques, in the case of FIG. 8, it cannot be attached to a place without a base, and if it is absolutely necessary to attach an appliance, it must be extensively modified. There are drawbacks. In the case of FIG. 9, a relatively large hole (actually 8 to 10 mm) must be made in the soft board, and cannot be removed once it is installed.
There is such a problem. In the case of Japanese Utility Model Laid-Open Nos. 62-78181 and 63-59579, three nails must be driven one by one in order to stop one fixture. In addition, there is a troublesome point that the nails cannot be removed unless one of the three nails is pulled out one by one to remove the fixing tool.

(Means for Solving the Problems) In the present invention, the pin body is divided into two or more legs around the top of the head, and the outside of the pin body is formed with a saw-tooth-shaped blade facing downward. Was sharpened to form an article fixture for a soft board.

(Operation) In the case of such a configuration, the tip of the fixture of the present invention is pierced into an object to be fixed in contact with the soft board, and the top of the head is pressed or hammered into the object. The fixed object is fixed to the board by the fixing tool.
When the fixture of the present invention bites into a weak board, the board is cut open by a saw blade provided on the leg,
As a result, the opening angle of the left and right legs (or more legs) increases, and the object to be fixed is firmly fixed. When the fixing object is separated from the board by the weight of the fixing object itself or by an external force in a direction separating the fixing object from the board, the force is reduced by a plurality of pins. The left and right legs (or more) are more likely to open than ever before, with a force in the same direction on the legs of the book. This opening force prevents the fixture of the present invention from detaching from the soft board, and thus acts to prevent the object from moving away from the board. At this time,
In particular, the saw-like blade provided on the leg presses against the board, thereby preventing the leg from coming off. On the other hand, when the fixing device of the present invention is removed for convenience, if the top of the head is pulled, unlike the above, a force for opening a plurality of legs is not generated, so that the fixing device can be easily pulled out. Further, since the saw-like blade provided on the leg is formed downward, it does not hinder the pulling out of the leg.

(Embodiment) Hereinafter, an embodiment of the present invention will be specifically described with reference to FIGS. 1 to 7. First, in FIG. 1, the pin body 1 is made of metal in the embodiment,
The two legs 3 are bilaterally symmetrical, and the outside thereof has saw-toothed blades 4 formed at a fine pitch downward, and the tip 5 of the pin is sharply pointed. In the case of the embodiment, the fixed object 8 is formed with holes 9, 9 through which the legs 3 of the pin body 1 are inserted.
The portion between the holes 9, 9 is referred to as the open leg base 6. Further, the leg base 6 is sandwiched between the left and right ends 5 so that the pin main body 1 is formed in an inverted V-shape. In addition, in this specification, the top part 2 is set to the top and the tip 5 of the pin is set to the bottom.

Next, in FIG. 1 and FIG. 2, in using the soft board article fixing device having the above-described configuration, first, the left and right tips 5 are pushed up against the soft board 7 and the crown 2 is pressed or Alternatively, when driven in with a hammer (see FIG. 1), the saw-shaped blade 4 cuts open the soft board 7, and the left and right legs 3 are further opened to increase the angle θ (see FIG. 2). Fix it. When the force F that pulls the fixed object 8 is applied to the open leg base 6, the angle θ attempts to further open, so that the force F up to the limit of the proof stress of the soft board 7 can be exerted. By the way, when pulling out the pin, if the pinion 2 of the pin main body 1 is pulled out by sandwiching it with, for example, pliers, the angle θ is gradually narrowed and the pin is smoothly pulled out. This is an open base 6
Is constant, and the dimension of the pin body 1 coming out is inversely proportional to tan1 / 2θ. In this case, it is desirable that the leg-opening base 6 and the fixed object 8 are formed integrally, but when they are separated, the fixed object 8 is pressed against the soft board 7 by the leg-opening base 6 as shown in FIG. What is necessary is just to make the structure attached. The fixed object 8 may be a bracket for shelves as shown in FIG. 7A, a lighting fixture as shown in FIG. 7B, an air conditioner as shown in FIG.
As shown in (d), the range of a hook or an object to be hooked is extremely wide.

In the example shown in FIG. 4, two holes 9 are formed in the fixed object 8 and the open base 6 is formed between the holes 9 so that the two legs 3 are formed in an inverted V shape. Things. In the example shown in FIG. 5, three holes 9 are formed in the fixed object 8 at the vertices of a substantially equilateral triangle, and the three legs 3 are each formed in an inverted V-shape with the inside of the holes 9 as the open base 6. It is formed in a shape.
The example shown in FIG. 6 is an embodiment in which the leg base 6 is separated from the fixed object 8, and a substantially square hole 9 is formed in the fixed object 8, and the substantially square leg base 6 is left except for four corners of the hole 9. Polymerized, 4
The legs 3 of the book are formed radially. In the above embodiment, the shape of the blade 4 is not particularly limited.

(Effects of the Invention) According to the present invention, the following effects can be obtained.

(1) Shelf, lighting equipment, air conditioner, hooks, etc. can be easily fixed on soft walls or ceilings such as gypsum board and thin veneer as if they were hit with ordinary nails.

(2) A special tool such as a drill is not required for installation, and a hammer is sufficient.

(3) The object to be fixed 8 can be easily removed by pulling out the top of the head 2 with pliers, and only traces of the thickness of the pin remain on the trace.

(4) Due to the presence of the downward saw-shaped blade formed on the leg,
Since the action of the saw blade is performed at the time of driving the pin body, even if the opening angle of the legs is small, the opening angle increases as the driving proceeds, whereby the fixed object can be securely fixed, Further, at the time of fixing, the force to separate the fixed object is prevented, and the resistance can be reduced when the pin body is pulled out.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing a configuration of the present invention, FIG. 2 is a cross-sectional view showing a use state of the present invention, FIG. 3 is an XX cross-sectional view showing another use state of the present invention, FIG. FIG. 6 is a perspective view of each embodiment, FIGS. 7 (a), (b), (c), and (d) are explanatory diagrams showing examples of use, and FIGS. 8 and 9 are explanatory diagrams of conventional examples. . 1 is a pin body, 2 is a crown, 3 is a leg, 4 is a blade, 5 is a tip, and 6 is an open leg base.

Claims (1)

(57) [Claims] 1. A pin body 1 is divided into a plurality of legs 3 around a crown 2 and a saw-shaped blade 4 is formed on the outside of the legs 3 so as to face downward. An article fixing device for a soft board, characterized by being sharpened.