JP2577821Y2 - Work tool for reinforcing bar binding wire - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a work tool for binding wires of reinforcing bars used when binding intersections of reinforcing bars with binding wires that are bent and bundled in a substantially U shape at first.

[0002]

2. Description of the Related Art As shown in FIG.
Are bound, for example, by a binding wire 3 made of wire.
As shown in FIG. 4, the binding wire 3 is initially bent substantially in a U-shape, and a large number of the binding wires 3 are bundled by the binding wire 4 to form a bundle 5. 3
Can be extracted one by one. In binding the above-mentioned rebar 1, for example, a metal working tool 11 as shown in FIG. 3 is used. This conventional work tool 11
Is composed of a main body 12, a handle 13, and a hanging tool 14.
The main body 12 has a straight handle assembling portion 15 on the upper side, and has an inclined portion 16 bent at an obtuse angle from the lower end of the handle assembling portion 15. The lower end of the main body 12 is bent from the lower end of the inclined portion 16 and the handle assembly portion is bent.
A tapered hook portion 17 is formed, which protrudes slightly upward in a direction away from the axis of the shaft 15 . In addition, this hook 17
For the inclined part 16 that connects this to the hand assembly part 15,
It is located off the axis of the handle assembly 15. The handle 13 has a coil shape and a cylindrical shape,
The handle 12 is coaxially and rotatably mounted on the outer periphery of the handle mounting portion 15, and is secured to the main body 12 by a retaining member 18 fixed to the upper end of the main body 12. Further, the hanging tool 14 is fixed to an upper end of the handle 13.

When the intersection 2 of the reinforcing bar 1 is to be bound, first, one binding wire 3 is manually extracted from the bundle 5 of the binding wire 3 and the binding wire 3 is wound around the intersection 2 of the reinforcing bar 1. , Gently twist and tie. Next, the handle 13 of the work tool 11 is grasped, and the hook 17 of the work tool 11 is hooked on the binding wire 3 as shown in FIG. 3, and then the handle 13 is centered on a straight line passing through the hook 17 and parallel to the handle 13. Is rotated in a circular motion and the hook 17 is turned to twist the binding wire 3 tightly, thereby firmly binding the intersection 2 of the reinforcing bar 1. When the handle 13 is moved circularly, the handle 13
Inside, the handle assembly 15 of the main body 12 rotates.

[0004]

As described above, in the conventional binding operation of the intersection 2 of the reinforcing bar 1, the binding wires 3 are manually extracted one by one from the bundle 5 of the binding wires 3. However, it is troublesome to manually pull out one binding wire 3 from the bundle 5 in which a large number of thin binding wires 3 are bundled, and in particular, it is troublesome if the worker wears gloves such as work gloves. there were.

An object of the present invention is to solve such a problem, and an object of the present invention is to make it possible to easily and reliably extract one binding wire from a bundle of binding wires.

[0006]

SUMMARY OF THE INVENTION In order to achieve the above-mentioned object, the present invention provides a rebar used for binding an intersection of rebars with a binding wire which is initially bent into a substantially U-shape and bound. In a binding wire working tool, a main body and a handle, the main body is a linear handle assembling part in which the cylindrical handle is coaxially and rotatably mounted on the outer peripheral side ,
Inclined angle from the lower end of this handle assembly
Part, bent from the lower end of this inclined part,
And a hook portion positioned off the upwardly projecting pivot axis of the handle away from the axis, the inclined portion of the main body
A recess is formed at the bottom and on the back side of the hook
A hook portion is formed below the recessed portion, and projects upward and bends downward from the center toward both sides.

[0007]

In the present invention, when bundling the intersection of the reinforcing bars, first grasp the handle of the working tool for the binding wire of the reinforcing bar with one hand, and the bent portion of the binding wire bent in a substantially U-shape is used. The bundle of binding wires is gripped by the other hand so as to face the work tool, and the upwardly projecting hook at the lower end of the main body of the work tool is bent at a bending portion of one binding wire in the bundle. And pulling the work tool against the bundle of binding wires as it is, thereby extracting the single binding wire from the bundle of binding wires. At this time, since the hook portion is bent so as to descend from the center toward both sides, the hook portion is reliably hooked along the bent portion of the binding wire. In addition, since the hook portion is located on the back side with respect to the hook portion, the hook portion does not become an obstacle when extracting the binding wire. Furthermore, the hook part is
Inclined part bent at an obtuse angle from the lower end of the handle assembly
At the bottom of the
The hooking part is tied to
Can be hooked more easily. Next, wrap the extracted binding wire around the intersection of the rebar and twist it lightly. Furthermore, after grasping the handle of the work tool, hooking the hook of the work tool on the binding wire, the handle is circularly moved around a straight line passing through the hook and parallel to the handle, and the hook is turned to tie the handle. Twist the wires tightly to tightly tie the intersections of the rebars. When the handle is circularly moved, the handle assembly of the main body rotates within the handle.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the work tool for binding wires of a rebar according to the present invention will be described below with reference to FIGS. Since the power tool 11 of this embodiment has substantially the same configuration as the conventional power tool 11, the same reference numerals are given to the corresponding parts, and the description of the configuration and operation is omitted. . Also, the same symbols are given to the reinforcing bars 1 and the binding wires 3. In the power tool 11 of this embodiment, the main body
A hook portion 19 is formed at the lower end portion 12 and on the back side of the hook portion 17. The hook portion 19 is formed by forming a concave portion 20 in the main body 12 at a position above the hook portion 19, and protrudes upward. At the same time, the hook 19 is bent so as to descend from the center toward both sides.

When binding the intersections 2 of the reinforcing bars 1, first, one binding wire 3 is extracted from the bundle 5 of the binding wires 3. For this purpose, for example, the handle 13 of the power tool 11 and the like are grasped with one hand, and the bundle 5 of the binding wires 3 is bent so that the bent portion 3a of the binding wire 3 bent substantially in a U-shape is on the upper side. Hold with hands. Then, as shown in FIG.
The hook 19 protruding upward at the lower end of the main body 12 of the power tool 11 positioned above is hooked from below onto the bent portion 3a of the single binding wire 3 in the bundle 5, and the binding The work tool 11 is pulled upward with respect to the bundle 5 of 3. Thereby, the one binding wire 3 is extracted from the bundle 5 of the binding wires 3. At this time, the hooking portion 19 is bent so as to descend from the center toward both sides, so that the hooking portion 19 is along the bent portion 3a of the binding wire 3,
It is securely and easily hooked on this. Also, hook 19
Is located on the back side with respect to the hook 17, so that the binding wire 3
The hook 17 does not become a hindrance in the extraction work. Further, the hook 19 is a handle assembly of the main body.
15 at the lower part of the inclined part 16 bent at an obtuse angle from the lower end
The back of this slope 16 with the hook 19 is slightly downward
The hook 19 is attached to the binding wire 3
Can be hooked more easily. After extracting the binding wire 3 in this manner, the operation of binding the intersection 2 of the reinforcing bar 1 with the work tool 11 using the binding wire 3 is the same as the conventional operation.

As described above, in the above embodiment, the main body 12 of the power tool 11 is formed with the hook 19 to be hooked on the bent portion 3a of the binding wire 3, so that the worker can work with gloves. One binding wire 3 can be easily and reliably extracted from a bundle 5 of many thin binding wires 3. Moreover, the work tool 11 is also used for twisting the binding wire 3 when binding the intersection 2 of the reinforcing bar 1 with the binding wire 3.
Compared to a case where a work tool for extracting one binding wire 3 from the bundle 5 of the binding wires 3 is prepared in addition to the work tool 11 for twisting the binding wire 3, the operation is more economical and the work is more efficient. It is not complicated. The hook 19 is provided in the body 12
By forming 20, it was formed below this recess 20
Therefore, it does not protrude from the entire surface of
When the hook 19 is not used, the hook 19 gets in the way.
Peg.

It should be noted that the present invention is not limited to the above embodiment, and various modifications can be made. For example,
In the above-described embodiment, the hook portion 19 is formed by forming the concave portion 20 in the main body 12 having the smooth surface of the power tool 11, but the hook portion is formed integrally with the smooth surface of the main body by projecting. Is also good.

[0012]

According to the present invention, according to the present invention, the power tool for bending wires is bent at an obtuse angle from the lower end of the handle mounting portion of the main body of the power tool.
At the lower part of the inclined part and upward from the lower end of the inclined part
A concave part is formed on the back side of the hook
A hook portion bent upward and downward from both sides toward the center from the center, so that a bent portion of one binding wire in a bundle of binding wires bent in a substantially U-shape is formed below the portion. By hooking the hook on the
One binding wire can be easily and reliably extracted from the binding wire bundle, and the work tool is also used for twisting the binding wire when binding the intersection of the rebars with the binding wire. Compared to a case where a work tool for extracting one binding wire from a bundle of binding wires is prepared in addition to a work tool for twisting, the operation is economical and the operation is not complicated. In addition, the hook is from the center to both sides
Being bent so that it descends toward
Ensures that the hook is securely and easily hooked
Can be opened. Also, hooks should be
Is located on the side of the
The hook does not get in the way and the hook
Is bent at an obtuse angle from the lower end of the handle
At the bottom of the ramp, which has a hook
Because the back is slightly downward, the hook
It can be hooked in more easily to the binding line. Sa
In addition, the hook portion forms a recess in the main body and
Because it is formed below, it protrudes from the entire surface of the body.
Do not pull out this hook when not in use.
Is hard to get in the way.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of a work tool for reinforcing bar binding wires of the present invention.

FIG. 2 is a rear view of a lower end portion of the same main body.

FIG. 3 is a perspective view showing an example of a conventional work tool for binding wires of rebar.

FIG. 4 is a perspective view of a bundle of binding wires.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Reinforcing bar 2 Intersection 3 Binding wire 11 Work tool 12 Main body 13 Handle 15 Handle mounting part 16 Inclined part 17 Hook part 19 Hook part 20 Concave part

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁶ , DB name) B25B 25/00 E04G 21/12 105 B65G 7/12 D03D 15/06 D05B 89/00 B25B 9/02 B65H 57 / 20 B65H 49/06 B65H 75/38

Claims (1)

(57) [Scope of request for utility model registration] 1. A rebar binding wire working tool used for binding an intersection of rebars with a binding wire bent and bundled in a substantially U-shape at first, comprising a main body and a handle, wherein the main body is provided with a handle. A straight handle assembling part in which the cylindrical handle is coaxially and rotatably mounted on the outer peripheral side ,
Inclined angle from the lower end of this handle assembly
Part, bent from the lower end of this inclined part,
And a hook portion positioned off the upwardly projecting pivot axis of the handle away from the axis, the inclined portion of the main body
A recess is formed at the bottom and on the back side of the hook
A binding portion that protrudes upward and is bent downward from the center toward both sides below the concave portion .