JPH07190268A - Tightening band - Google Patents

Abstract

(57) [Abstract] [Purpose] Tightening with which a predetermined fastening force can be easily exerted and the initial fastening force can be maintained by reducing the diameter of a ring-shaped body formed by winding a band-shaped body around an object to be fastened. Provide a band. [Structure] An engaging portion 12 formed on one of both ends of the belt-shaped body 10 when the belt-shaped body 10 is wound around an object to be fastened.
Then, the overlapping ends of the strip 10 are temporarily fixed to form a ring, and the tightening tool 30 is used to reduce the diameter of the ring, and then the other end of the strip 10 is stopped. It is characterized in that it is fixed by the tool 16 and the fitting portions 18a and 22b formed at both ends thereof are fitted together.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tightening band, and more specifically, to tighten a tightening object by reducing the diameter of a ring-shaped member formed by winding a belt-like member around a tightening object such as a hose. Regarding the attached band.

[0002]

2. Description of the Related Art A metal tightening band shown in FIG. 6 is used as a tightening band for tightening a connecting part of a hose such as a gas hose or an automobile boot to connect it to a predetermined device. This tightening band is shown in FIG. The tightening band shown in FIG. 6 includes a ring-shaped body formed by winding the strip-shaped body 7 around a connecting portion of a fastening object such as a pipe and overlapping both ends, and a gate-shaped body in the outer peripheral direction on the outer peripheral portion 7 a of the band-shaped body 7. A protruding ear 8 is provided. When the ears 8 are crushed, the ears 8 reduce the diameter of the ring-shaped body in the direction in which the object to be fastened is tightened.

[0003]

By using the tightening band shown in FIG. 6, the strip 7 is wound around the connection part of the object to be fastened even after the object to be fastened is connected to the pipe or the like. It is possible to tighten the object to be fastened. But,
The tightening band shown in FIG. 6 has a band-shaped body 7 so that a predetermined tightening force can be exerted on an object to be fastened by crushing the ears 8.
Fixing both ends of the strip-shaped body 7 while maintaining the tightly bound state after winding the item in a tightly bound state around the object to be fastened complicates the tightening work. On the other hand, when the band-shaped body 7 is loosely wound around the object to be fastened and the overlapping both ends are fixed, the object to be fastened cannot be tightened with the intended tightening force even if the ears 8 are crushed. Also, the crushed ear 8
6 is accompanied by a springback phenomenon in the direction of the arrow shown in FIG. 6 and has a drawback that the initial tightening force of the ring-shaped body cannot be maintained. Therefore, an object of the present invention is to provide a tightening band that can easily exert a predetermined tightening force and reduce the initial tightening force by reducing the diameter of a ring-shaped body formed by winding a band-shaped body around an object to be fastened. To provide.

[0004]

Means for Solving the Problems As a result of studies to achieve the object of the present invention, the present inventor found that when a strip is wound around an object to be fastened, the strip is formed on one of both ends of the strip. The overlapping end portions of the strip-shaped body are temporarily fixed by the engaging portion to form a ring-shaped body, and then the diameter of the ring-shaped body is reduced by using a tightening tool, and then the other end of the strip-shaped body is fixed. By fixing with fasteners and fitting the fitting parts formed on the overlapping both ends, it was found that the work to be fastened can be easily tightened and the initial fastening force can be maintained, The invention was reached.

That is, according to the present invention, a ring-shaped body formed by winding a band-shaped body around an object to be fastened, such as a hose, is reduced in diameter, and a tightening band for tightening the object to be fastened is provided near one end of the band-shaped body. When the ring-shaped body is formed by overlapping both end portions of the band-shaped body, the engaging portion engaged with the locking portion provided in the middle of the band-shaped body, and the both end portions of the band-shaped body, respectively. Of the ring-shaped body, which is provided in the middle of the band-shaped body, and a tool-locking portion that is provided in the vicinity of the A stopper for fixing the other end of the belt-shaped body so as to maintain the reduced diameter state, and each of the overlapping end portions of the belt-shaped body forming the ring-shaped body are formed to reduce the diameter of the ring-shaped body. And a fitting portion that fits when the other end of the strip is fixed by the stopper. In the tightening band.

In the present invention having such a structure, when the other end of the belt-shaped body is fixed by the stopper, the retaining portion is formed at the other end of the belt-shaped body so that the other end does not come out of the stopper. The initial tightening force of the strip can be further maintained. Further, the end of the strip-shaped body including the other end fixed by the stopper is formed separately from the strip-shaped body, and is connected to one of the ends of the strip-shaped body is formed separately. Since the rigidity can be improved by increasing the thickness of the end portion of the strip, the body of the strip can be made thin.

[0007]

According to the present invention, by engaging the engaging portion and the engaging portion formed on the belt-shaped body with each other, the belt-shaped body wound around the object to be fastened to form the ring-shaped body is temporarily fixed, and then the tool engaging member. After the diameter of the ring-shaped body is reduced by the tightening tool that is locked to the stopper, the other end of the band-shaped body is fixed with a stopper to maintain the reduced diameter state of the ring-shaped body. At this time, the fitting portions formed at the overlapping both ends of the band-shaped body are fitted to each other to prevent the ring-shaped body from returning to the reduced diameter state, and in combination with the fixing of the stopper, It is possible to maintain the initial reduced diameter state.

[0008]

The present invention will be described in more detail with reference to the drawings.
FIG. 1 is a partial front view showing an embodiment of the present invention [FIG.
(A)] and a partial longitudinal cross-sectional view [FIG.1 (b)]. Figure 1
The band-shaped body 10 shown in (a) is a metal band-shaped body body 10.
One end of a strip-shaped metal piece 10b made of metal, which is shorter than the strip body 10a, is connected to one of the ends of a by spot welding or the like. The band-shaped small piece body 10b forming the band-shaped body 10 has a recess 24 formed at the tip of a connecting portion with the band-shaped body 10a, and the band-shaped small piece body 1 is formed.
Gate-shaped holes 18b and 22b are provided in series in the middle of 0b. Further, a protrusion 20 having an opening hole facing the connecting portion is also provided at the other end of the strip-shaped body 10a.

The strip body 10a connected to the strip body 10b is provided with a slot-like locking hole 14 in the vicinity of the connecting portion with the strip body 10b, and the other end of the strip body 10a is provided. The projections 24, 18a, 22a each having an opening formed in the direction of the connecting portion are arranged in series in the tip direction of the other end. In addition, the protrusion 2 of the strip body 10a
A U-shaped stopper 16 is fixedly attached between the hooks 4 and 18a, and a hook portion in which a part of the belt-shaped body 10a is cut and raised near the other end of the belt-shaped body 10a. 12 are formed. Thus, in this embodiment,
As shown in FIG. 1B, the strip-shaped small piece body 10b connected to the strip-shaped body 10a is thicker than the strip-shaped body 10a, and the rigidity is improved. For this reason, even if the strip body 10a is made thin, the rigidity of the overlapping portion of the strip bodies 10 forming the ring body can be maintained, and deformation of the fitting portion described later can be prevented, so that the ring body can be reduced in diameter. The tightening force generated as a result can be maintained.

When tightening the object to be fastened using the band-shaped body 10 shown in FIG. 1, the band-shaped body 10 is wound around the object to be fastened and is formed at the end of the band-shaped small piece 10a as shown in FIG. The hook portion 12 is engaged with the elongated hole-shaped locking hole 14 to form the belt-shaped body 10 into a ring-shaped body. By such engagement, the strip 1
Even if the force applied when winding 0 is released, the band-shaped body 10 can maintain the shape of the ring-shaped body, and the work of reducing the diameter of the ring-shaped body can be easily performed. In the diameter reduction work for reducing the diameter of the ring-shaped body, as shown in FIG. 2, the gate-shaped hole 18b of the strip-shaped small piece body 10b which is the tool locking portion and the strip-shaped body main body 1 are provided.
The tip of the tightening tool 30 is locked to the protrusion 24 of 0a, and the band-shaped body 10a and the band-shaped small piece body 10b are moved by the tightening tool 30 in the arrow A direction shown in FIG.

In this diameter reduction work, the bottom portion of the recess 24 formed at the tip of the connecting portion of the strip-shaped small piece 10b has a bottom portion as shown in FIGS.
As shown in (b), the process is performed until the protrusion 22a of the strip body 10a is brought into contact. Therefore, the protrusion 22a also plays a role of a stopper when the diameter of the ring-shaped body is reduced. Here, when the bottom of the recess 24 and the projection 22a come into contact with each other, as shown in FIG. 3, the gate-shaped hole 22b of the strip 10b and the projection 18a of the strip body 10a are fitted together and stopped. The protruding portion 20 of the strip-shaped small piece 10b and the portion of the gate-shaped hole 18b are located between the upright pieces 16a and 16b of the tool 16. When the band-shaped body 10a and the band-shaped small piece 10b are moved by the tightening tool 30 in the direction of arrow A shown in FIG. 2, the hook portion 12 moves together with the band-shaped body 10a in the oblong locking hole 14. To do. Then, the standing pieces 16a, 16b of the stopper 16
When the strip-shaped small piece 10b is fixed by pushing down,
As shown in (a), the standing piece 16 in which the stopper 16 is pushed down
The a and 16b are brought into contact with the protrusions 20 of the strip-shaped small piece body 10b to prevent the ends of the strip-shaped small piece body 10b from coming off the stopper 16.

The ring-shaped body thus reduced in diameter is fitted with the projection 18a of the strip-shaped body 10a and the gate-shaped hole 22b of the strip-shaped small piece 10b, and the stopper 16 and the projection of the strip-shaped small piece 10b. The contact with 20 can maintain the reduced diameter state and maintain the initial tightening force. In addition, in the ring-shaped body formed by the tightening band of the present embodiment, FIG.
Compared with the conventional tightening band shown in Fig. 4, the protruding height of the ring-shaped body protruding in the outer peripheral direction can be made as low as possible, so that the other part of the component to which the tightening band is attached or the tightening band. It is also possible to avoid contact with other parts adjacent to the mounted part to cause damage.

In the embodiment described above, the end faces of the standing pieces 16a, 16b constituting the stopper 16 are made flat, but as shown in FIG. 5 (a), the standing pieces 16a, 16b.
It is also possible to make the end face of the slant end face so that when the upright piece is pushed down, a part of the upright piece can enter the inside from the opening of the projection 20 of the strip body 10a. Also, the strip-shaped piece 10b
As shown in FIG. 5 (b), the recess 24 formed at the tip of the connecting portion also has a projection 30 formed on the bottom of the recess 24 when the recess 24 abuts the projection 22 a of the strip body 10 a. You may make it enter inside from the opening part of the part 22a.

[0014]

According to the present invention, the tightening work of the object to be tightened by the tightening band can be easily performed, and the tightening work efficiency can be improved. Further, the initial tightening force of the tightened band on the object to be tightened can be maintained, and the reliability of the tightened band can be improved.

[Brief description of drawings]

FIG. 1 is a partial front view and a partial vertical sectional view showing an embodiment of the present invention.

FIG. 2 is a partial cross-sectional view showing a state in which the tightening band shown in FIG. 1 has a ring shape.

FIG. 3 is a partial cross-sectional view showing a state where the ring-shaped body shown in FIG. 2 has a reduced diameter.

FIG. 4 is a partial plan view showing an end face state of the stopper 16 and the band-shaped small piece body 10b shown in FIG.

FIG. 5 is a partial plan view showing another embodiment.

FIG. 6 is a cross-sectional view showing a mounted state of a conventional tightening band.

[Explanation of reference numerals] 10 tightening band 12 engaging part 14 locking part 16 stoppers 18b, 24 tool locking parts 18a, 22b fitting part 30 tightening tool

Claims (3)

[Claims] 1. A tightening band for reducing the diameter of a ring-shaped body formed by winding a band-shaped body around an object to be tightened such as a hose and tightening the object to be tightened, the band being formed near one end of the band-shaped body, When the ring-shaped body is formed by overlapping both end portions of the strip-shaped body, the engaging portion is engaged with the locking portion provided in the middle of the strip-shaped body, and the engagement portion is provided near each end of the strip-shaped body. And a tool locking portion that locks a tightening tool that reduces the diameter of the ring-shaped body in the direction of tightening an object to be fastened, such as a hose, and is provided in the middle of the band-shaped body to reduce the diameter of the ring-shaped body. A stopper for fixing the other end of the belt-shaped body so as to hold it, and each of the overlapping both ends of the belt-shaped body forming the ring-shaped body, and reducing the diameter of the ring-shaped body And a fitting portion that fits when the end is fixed by the stopper. De. 2. The tightening according to claim 1, wherein when the other end of the belt-shaped body is fixed by a stopper, the retaining portion is formed at the other end of the belt-shaped body so that the other end does not come out of the stopper. band. 3. The strip-shaped body including the other end fixed by a stopper has an end portion formed separately from the strip-shaped body body and connected to one of the end portions of the strip-shaped body body. Tightening band.