JPH0592301U - Anchor color - Google Patents

Abstract

(57) [Summary] The invention is to provide an anchor collar capable of easily and surely tearing a blade portion and efficiently performing anchoring work. [Structure] In order to correspond to the deep tear groove 14 formed on the inner circumference of the blade portion 13, a required number of cut grooves 15 are formed along the longitudinal direction on the outer circumference of the blade portion 13. . Then, the tearing along the deep groove 14 can be easily performed, and the expanding operation of the blade portion 13 can be performed quickly and reliably.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an anchor collar used for fixing anchor pipes for general concrete.

[0002]

[Prior Art]

 Conventionally, as this type of anchor color, the one previously disclosed by the present inventor has been known, which will be described with reference to FIG. That is, in the figure, 11 is a cylindrical metal color main body having a required length, 12 is a female threaded portion formed annularly on the inner circumference of the upper end of the color main body 11, and 13 is formed on the lower portion. In the blade portion, a required deep groove 14 for tearing is formed on the inner circumference of the blade portion 13 along the longitudinal direction thereof.

In the color configured as described above, a required cotter is fitted to the blade portion 13 and a required anchor member is screwed to the screw portion 12, so that the concrete floor is preliminarily formed. Insert into the formed hole. Then, the cotter is pressed from above to press it into the blade portion 13, and the blade portion 13 is torn along the deep groove 14 of the blade portion and expanded outward, and is fixed by biting into the inner peripheral wall of the hole. Is.

[0004]

[Problems to be solved by the device]

 As described above, the conventional color merely forms the tearing deep groove 14 on the inner circumference of the blade portion 13, so that the tearing of the blade portion 13 is very troublesome and always causes a large impact. Not only was the force required, but in some cases the holes themselves were damaged.

According to the present invention, not only can the conventional problems be solved all at once, the blade portion 13 can be easily and reliably torn, and the anchor fixing work can be performed efficiently. It is an object of the present invention to provide an anchor color that is easy to use.

[0006]

[Means for Solving the Problems]

 That is, the present invention corresponds to the tearing deep groove 14 formed on the inner circumference of the blade portion 13, and the required cut groove 15 is formed along the longitudinal direction on the outer circumference of the blade portion 13. Consisting of a composition.

[0007]

[Action]

 Since the cut groove 15 is formed on the outer periphery of the blade portion 13 so as to correspond to the deep tear groove 14, tearing along the deep groove 14 can be easily performed to quickly and reliably perform the expanding operation of the blade portion 13. You can

[0008]

【Example】

 An embodiment of the present invention shown in the drawings will be described below. 1 and 2 show a first embodiment of the present invention, which corresponds to a deep tearing groove 14 formed on the inner circumference of the blade portion 13 along the longitudinal direction of the blade portion 13. It differs from the conventional example in that the cut grooves 15 are formed at a constant pitch on the outer periphery, the other parts are the same, and the same reference numerals indicate the same parts.

In the first embodiment configured as described above, like the conventional example, after the required cotter and anchor have been set, they are inserted into the holes of the concrete floor and struck from above. Fix it (see Figure 3). At this time, since the cut groove 15 is formed on the outer periphery of the blade portion 13 so as to correspond to the deep groove 14, the blade portion 13 can be easily torn by the press-fitting of the cotter, and the expanding operation can be performed quickly and quickly. Certainly possible. Further, the presence of the cut groove 15 increases the biting area of the blade portion 13 with respect to the inner peripheral wall of the hole, so that the fixing is made more reliable.

When manufacturing the color according to the above-mentioned embodiment, as shown in FIG. 4, after forming the cut groove 15 on the outer periphery of the blade portion 13 by the roll-letting, it is made into a regular square shape. The deep groove 14 may be formed by associating each corner portion 17 of the punch 16 with the cut groove 15. At this time, instead of the square-shaped punch 16, as shown in FIG. 5, a punch 26 having a required number of ridges 27 along the longitudinal direction may be used.

FIG. 6 shows a second embodiment, in which the outer periphery of the blade portion 13 along the longitudinal direction thereof corresponds to the deep groove 14 formed by the punch 36 having a sharp corner 37. It differs from the first embodiment in that a convex shape 18 is formed on the convex shape 18 and a cut groove 15 is formed on the convex shape 18, and other parts are the same and the same reference numerals indicate the same parts.

The color according to the above-mentioned embodiment is formed with the female screw portion 12 on the inner periphery of the upper end portion of the color main body 11, but the invention is not limited to this, and it is simply formed into a hole shape. Of course, you can do that.

[0013]

[Effect of the device]

 According to this invention, in accordance with the above, in order to correspond to the tearing deep groove 14 formed on the inner periphery of the blade portion 13, a required groove 15 is formed along the longitudinal direction on the outer periphery of the blade portion 13. Since it is formed, tearing of the blade portion 13 along the deep groove 14 can be performed very easily, and the expanding operation of the blade portion 13 can be performed quickly and reliably, and by extension, anchoring is fixed. Work can be done efficiently. In addition, the presence of the cut groove 15 increases the biting area of the blade portion 13 with respect to the inner peripheral wall of the hole, so that the fixing can be made more reliable. Further, the color according to the present invention has a simple structure and can be easily manufactured.

[Brief description of drawings]

FIG. 1 is a perspective view showing a first embodiment of the present invention.

FIG. 2 is a vertical sectional view of the same.

FIG. 3 is a vertical sectional view showing the same usage state.

FIG. 4 is a horizontal sectional view showing a manufacturing state by a punch 16.

FIG. 5 is a horizontal sectional view showing a manufacturing state by a punch 26.

FIG. 6 is a horizontal sectional view showing a manufacturing state of a second embodiment with a punch.

FIG. 7 is a vertical sectional view showing a conventional example.

[Explanation of symbols]

 13 Blades 14 Deep Grooves 15 Cutting Grooves

Claims (1)

[Scope of utility model registration request] 1. A cut groove 15 is formed along the longitudinal direction on the outer circumference of the blade portion 13 so as to correspond to the tearing deep groove 14 formed on the inner circumference of the blade portion 13. Anchor color that is characterized.