JPH0630342U - Sleeve fixing bracket - Google Patents

Abstract

(57) [Summary] [Structure] A locking rod 1 inserted into a locking hole Q1 penetrating the deck plate Q, and a sleeve pipe P connected to the upper end of the locking rod 1 and mounted on the deck plate Q. Is a sleeve fixing metal fitting configured to be fixed to the upper end portion of the opening of the locking rod 1, and the locking rod 1 has a flat plate-shaped portion that is inserted into the locking hole Q1 and is bent at an obtuse angle. The hook portion 1A is provided. The upper part of the locking hook portion 1A is bulged so that the locking hole Q
The retaining portion 1B that locks with the 1 is formed. Locking hook 1A
Has a bending angle of 110 degrees. [Effect] The work of fixing the void pipe and the spiral pipe arranged on the deck plate becomes extremely easy, and the fixing fitting after use can be easily removed.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a sleeve fixing metal fitting suitable for fixing a void pipe, a spiral pipe, or the like on a floor form made of a deck plate.

[0002]

[Prior art]

 As a conventional support of this type, the applicant has proposed a sleeve fixing metal fitting in Japanese Patent Application No. 4-19333. This fixing bracket makes it extremely easy to fix the void pipe and spiral pipe that are placed on the deck plate. That is, a sleeve fixing metal fitting is provided with a locking rod 10 for inserting a bent lower end portion in the locking hole Q1 of the deck plate Q, and particularly, for removing the locking rod 10 inserted into the locking hole Q1. A retaining metal 20 for preventing falling is attached above the bent portion of the locking rod 10 (see FIG. 6).

[0003]

[Problems to be solved by the device]

 However, even if the locking rod 10 is to be pulled out from the locking hole Q1 of the deck plate Q after the concrete is poured, the sleeve pipe P or the bent portion of the locking rod 10 may obstruct the removal of the locking rod 10. There was found. In particular, when the diameter of the sleeve pipe P is small, the inclination angle of the locking rod 10 is greatly restricted, so that it is impossible to remove the locking rod 10. Then, when the deck plate Q is melted along the diameter of the sleeve pipe P, there arises a problem that the locking rod 10 hinders the work. In addition, it is necessary to attach the retaining metal member 20 formed as a separate body to the locking rod 10.

Therefore, the present invention was devised to eliminate the above-mentioned inconvenience, and the work of fixing the void pipe and the spiral pipe arranged on the deck plate can be performed extremely easily. An object of the present invention is to provide a sleeve fixing metal fitting that allows the locking rod 10 to be easily removed.

[0005]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, the present invention provides a locking rod 1 which is inserted into a locking hole Q1 which penetrates a deck plate Q, and a sleeve which is connected to the upper end of the locking rod 1 and is mounted on the deck plate Q. A sleeve fixing metal member composed of a fixing tool 2 that locks on the upper end of the opening of the pipe P, wherein the locking rod 1 is bent at an obtuse angle when the portion to be inserted into the locking hole Q1 is formed in a flat plate shape. The locking hook portion 1A is provided, and the retaining portion 1B that locks in the locking hole Q1 is formed by bulging the upper portion of the locking hook portion 1A. The locking hook 1A has a bending angle of 110 degrees as a means for solving the problem.

[0006]

[Action]

 That is, according to this invention, when the locking rod 1 is inserted into the locking hole Q1, the retaining portion 1B of the locking rod 1 is locked in the locking hole Q1 and the locking rod 1 is erected. A sleeve pipe P is arranged around the locking rod 1, and the fixture 2 and the locking rod 1 which are locked at the upper end of the opening of the sleeve pipe P are connected inside the sleeve pipe P to form a sleeve pipe. P is fixed to the floor form Q 2. At this time, the obtuse-angled locking hook portion 1A has a flat plate-shaped portion that locks in the locking hole Q1.

Further, when removing the locking rod 1 after pouring concrete, the locking hook portion 1A bent at an obtuse angle may be pulled out from the locking hole Q1 by simply tilting the locking rod 1 slightly. It is possible.

Since the diameter of the locking hole Q1 opened in the deck plate Q for mounting this type of sleeve fixing bracket is 12.5 to 13 mm, the bending angle of the locking hook portion 1A is 110. In terms of degrees, even the smallest diameter sleeve pipe P (diameter 10 cm) can be removed.

[0009]

【Example】

 Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. Reference numeral 1 shown in the drawing is a locking rod which is inserted into a locking hole Q1 which penetrates the deck plate Q (see FIG. 1). The locking rod 1 has a lower end portion bent into an obtuse angle to form a locking hook portion 1A that locks in the locking hole Q1, and a retaining portion 1B that prevents the locking rod 1 from falling off. Then, the bent locking hook portion 1A is locked to the lower surface of the deck plate Q, and the upper end portion is connected to the fixture 2.

The locking hook portion 1A has a flat plate-shaped portion that is inserted into the locking hole Q1 and is bent at an obtuse angle (see FIG. 2). In the illustrated example, a round bar having a diameter of 8.1 mm is crushed into a plate having a thickness of 4.5 mm. The bending angle of the locking hook portion 1A is 110 degrees. On the other hand, the retaining portion 1B is formed in a plate shape having a width of 14.5 mm by further crushing the upper position of the locking hook portion 1A. The locking hook portion 1A and the retaining portion 1B are assumed to have a diameter of the locking hole Q1 formed in the deck plate Q of 12.5 to 13 mm, and to be removed from the sleeve tube P having a diameter of 10 cm. It is intended to be taken. Therefore, it goes without saying that the design of the locking hook portion 1A and the retaining portion 1B can be arbitrarily changed when the diameters of the locking hole Q1 and the sleeve pipe P are different.

The fixture 2 locks the upper end of the opening of the sleeve pipe P, and fixes the sleeve pipe P to the deck plate Q by connecting with the locking rod 1 (see FIG. 4). The fixing device 2 shown in the figure is in the form of a strip plate, and hooks 2A provided at both longitudinal ends are engaged with the upper end of the opening of the sleeve pipe P. The connecting portion 2B of the fixture 2 with the locking rod 1 is bent downward to fix the locking rod 1 and the fixture 2 inside the sleeve pipe P. The sleeve tube P is usually a void tube, but a metal spiral tube can also be used.

In the figure, reference numeral 4 is a cap that covers the upper opening of the sleeve tube P. Instead of the cap 4, a gum tape or the like can be used.

Next, the mounting work of this invention will be described. The retaining portion 1B of the locking rod 1 is locked in the locking hole Q1 opened in the deck plate Q, and the locking rod 1 is erected. Then, the sleeve tube P is arranged around the locking rod 1, and the fixture 2 is locked to the upper opening of the sleeve tube P. Further, the fixing tool 2 and the locking rod 1 are connected by a nut 3 to fix the sleeve tube P to the deck plate Q (see FIG. 4). To pull out the locking rod 1 from the locking hole Q1 after pouring concrete, tilt the locking rod 1 in the bending direction of the locking hook portion 1A, and pull out upward while maintaining this state (see FIG. 3). Further, when mounting, the lower end of the locking rod 1 can be inserted into the locking hole Q1 with the fixture 2 and the locking rod 1 set in the sleeve tube P (see FIG. 5).

[0014]

[Effect of device]

 The present invention achieves the original purpose by being configured as described above. That is, according to the first aspect, the operator can temporarily fix the locking rod 1 inserted in the locking hole Q1 with the retaining portion 1B, so that the sleeve pipe P can be disposed thereafter and the engagement can be prevented. The connecting work between the stop rod 1 and the fixture 2 can be performed extremely easily. As a result, unlike the conventional retaining metal fitting 20, it is possible to save the trouble of mounting the retaining metal fitting 20 formed separately on the locking rod 10.

By forming the portion to be inserted into the locking hole Q1 into a flat plate shape and providing the locking hook portion 1A which is bent at an obtuse angle, a reliable locking when the fixing fitting of the present invention is mounted is provided. At the same time as the force is obtained, it is possible to pull out the locking rod 1 even inside the sleeve pipe P when removing the concrete after placing it.

Moreover, the connection between the locking rod 1 and the fixture 2 is performed inside the sleeve pipe P, and since the locking rod 1 does not project above the sleeve pipe P, work after mounting the sleeve pipe P There is no danger of getting support.

As described above, according to the present invention, the work of fixing the void pipe and the spiral pipe arranged on the deck plate can be performed very easily, and the locking rod 10 after use can be easily removed. It has various practically useful effects such as.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing a usage state of the present invention.

FIG. 2 is an enlarged sectional view of an essential part showing a locked state.

FIG. 3 is a side view showing a state in which the sleeve tube is removed from the inside.

FIG. 4 is a side view showing a usage state.

FIG. 5 is a perspective view showing a mounted state.

FIG. 6 is a side view showing a conventional example.

[Explanation of symbols]

P Sleeve tube Q Deck plate Q1 Locking hole 1 Locking rod 1A Locking hook
1B retaining part 2 fixing tool 2A hook
2B Connection part 3 Nut 4 Cap 10 Locking rod 20 Metal stopper

Claims (2)

[Scope of utility model registration request] Claim: What is claimed is: 1. A locking rod that is inserted into a locking hole that penetrates a deck plate, and a fixture that is connected to the upper end of the locking rod and that locks to the upper end of the opening of a sleeve tube placed on the deck plate. A sleeve fixing member configured by and the locking rod is
A part that is inserted into the locking hole is formed into a flat plate, and an obtusely bent locking hook part is provided, and the upper part of the locking hook part is bulged to form a retaining part that locks into the locking hole. Sleeve fixing metal fittings. 2. The sleeve fixing fitting according to claim 1, wherein the engaging hook portion has a bending angle of 110 degrees.