JP3061607U - Tightening band - Google Patents

Abstract

(57) [Problem] To provide a tightening band capable of improving the yield by reducing the incidence of defective products and improving the productivity. A metal band-shaped band member (2) formed in a ring shape with both ends separated from each other, and both ends (2a) of the band member (2).
A metal band which is attached to the band member 2 straddling the base member 2b and is formed in the middle part by bending outwardly into a gate shape, and the band member 2 can be reduced in diameter by crushing the tightening ear 5. In the tightening band 1 having the tightening members 3, locking pieces 4 are formed by bending outwardly near both ends of the band member 2, and the tightening members 3 have locking holes 6 at equal distances from both ends 3 a and 3 b. The locking pieces 4 of the band member 2 are inserted into and locked in the locking holes 6, and both ends 3 a and 3 b of the tightening member 3 are fixed to the band member 2.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a tightening band which is attached to a connection portion such as a gas hose and a boot covering a constant velocity joint for a vehicle and tightens a tightened object.

[0002]

[Prior art]

 A conventional tightening band 51 will be described with reference to FIG. A locking piece 52 is bent outwardly in the vicinity of both ends and attached to a metal band-like band member 53 formed in a ring shape so as to straddle both ends of the band member 53, and is bent outward in a halfway part in a gate shape. A metal strip-shaped fastening member 55 having the formed fastening ears 54 is integrated in a ring shape. The fastening ear 54 is a known diameter reducing means called a so-called Oetiker ear, and the band member 53 can be reduced in diameter by clamping and crushing the fastening ear 54 with a tool.

In order to assemble the tightening band 51, two ends of the band member 53 are inserted into locking holes 56 formed at positions A and B (A） B) from one end 55 a and the other end 55 b of the tightening member 55. The locking pieces 52 bent outwardly are inserted and locked at the required positions on the side, the fastening members 55 are attached to the band members 53, and both ends of the fastening members 55 are fixed by resistance welding. It had been. Although the fastening member 55 is fixed at both ends, for example, one end 55a is provided with a locking means so that a locking hole 56 is formed from both ends of the fastening ear 54 at both ends so that the locking member 55 can be designed to be locked. In actuality, the positions where the holes are pierced are formed at different dimensions at the one end 55a and the other end 55b.

[0004]

[Problems to be solved by the invention]

 However, when the fastening member 55 is attached to the band member 53, even if the one end 55a side and the other end 55b side are switched, if the locking piece 52 is inserted into the locking hole 56 and locked, the ring shape is formed. Since it can be formed and resistance welded, as a result of incorrectly mounting the fastening member 55, the position of the fastening ear 54 with respect to the band member 53 is shifted, and the diameter reduction of the band member 53 changes, resulting in a defective fastening band 51. However, there is a problem that the rate of occurrence of cracks increases and the yield decreases. For this reason, it is necessary to manufacture the tightening band 51 while checking the directionality of the tightening member 55 with respect to the band member 53 one by one, and there has been a problem that productivity is reduced.

[0005] Therefore, an object of the present invention is to provide a tightening band that reduces the incidence of defective products, improves the yield, and increases the productivity.

[0006]

[Means for Solving the Problems]

 The present invention has the following configuration to achieve the above object. That is, a metal band-shaped band member formed in a ring shape with both ends separated from each other, and a fastening ear which is attached to the band member across the both ends of the band member and is bent outward in a gate shape in the middle part. A metal band-shaped tightening member capable of reducing the diameter of the band member by crushing the tightening ear, wherein a locking piece is bent outward near both ends of the band member, and the tightening member is formed. The locking holes are respectively drilled at equal distances from both ends, and the locking pieces of the band member are inserted into and locked in the locking holes, and both ends of the fastening member are fixed to the band member. It is characterized by the following.

It is preferable that the locking piece of the band member and the locking hole of the fastening member are formed so as to position resistance welding of the fastening member to the band member. Further, the shape of both ends of the band member is preferably formed so as to complement each other when the diameter is reduced, for example, a tongue-shaped protruding piece is formed at one end of the band member, A V-shaped notch may be formed at the other end. In this case, when the tightening ear of the tightening member is tightened, it is preferable that the band member be reduced in diameter and the protruding piece be accommodated in the notch to be flush.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in more detail with reference to the drawings. FIG. 1 is a front view of a tightening band and an explanatory view of both ends of a tightening member, FIG. 2 is a perspective explanatory view of a tightening band, FIG. 3 is a perspective explanatory view of a band member, and FIG. 4 shows shapes of both ends of the band member. FIG.

First, a schematic configuration of the tightening band will be described with reference to FIGS. 1 and 2. Reference numeral 1 denotes a tightening band, which includes a metal band-like band member 2 formed in a ring shape and a metal band-like tightening member 3 which is attached across both ends of the band member 2 and can reduce the diameter of the band member 2. ing. For the band member 2 and the tightening member 3, a metal material such as SUS (stainless steel) 430 is preferably used.

The band member 2 has locking pieces 4 formed near both ends by bending outward. Further, the fastening member 3 is provided with a fastening ear 5 which is bent outward in a gate shape in the middle part, and the fastening ear 5 is clamped with a tool such as pliers and crushed to form a band member. 2 is reduced in diameter. Further, the fastening member 3 is provided with a locking hole 6 at an equidistant position C from one end 3a and the other end 3b. The fastening band 1 is formed by inserting locking pieces 4 formed near both ends of the band member 2 into locking holes 6 and locking the locking pieces 4 to the longitudinal edges 3c as shown in FIG. 3 are fixed (resistance welding) to the band member 2 at both ends and assembled.

The locking holes 6 formed near both ends of the fastening member 3 are formed at positions C equidistant from the one end 3a and the other end 3b, so that the locking pieces 4 are inserted into the locking holes 6 respectively. The locked position (weld position) 9 of the fastening member 3 can be stably positioned in the locked state. Even if the fastening member 3 is mounted on the band member 2 with the one end 3a and the other end 3b interchanged, the positional relationship of the fastening ear 5 with respect to the band member 2 does not change and the diameter reduction of the hand member 2 does not change. The product can be handled as it is as it is, the occurrence rate of defective products of the tightening band 1 is reduced, the yield is improved, and the tightening member 3 can be assembled regardless of the direction of the tightening member 3. Is improved.

Next, the shape of the band member 2 will be described with reference to FIGS. As shown in FIG. 3, a tongue-shaped protruding piece 7 is formed at one end 2a of the band member 2, and a V-shaped notch 8 is formed at the other end 2b. In this case, as shown in FIG. 4, when the tightening ear 5 of the tightening member 3 is tightened, the band member 2 is reduced in diameter, the protruding piece 7 is accommodated in the notch 8, and an opening is formed between both ends 2a and 2b. Prevent it from occurring. This prevents the flesh of the object to be tightened from escaping from the opening and being deformed, so that the tightened state can be maintained satisfactorily.

The present invention is not limited to the above embodiment. For example, the shape of the one end 2a and the other end 2b of the band member 2 may be variously changed as long as they can complement each other. Various modifications can be made without departing from the spirit of the invention, for example, it is possible to design so that no opening is formed in the part.

[0014]

[Effect of the invention]

 According to the present invention, since the locking holes formed near both ends of the fastening member are formed at the same distance from the both ends, the locking pieces of the band member are inserted into and locked in the locking holes. In this state, the fixing member can be stably positioned. Also, even if the fastening member is replaced with one end and the other end and attached to the band member, the positional relationship of the fastening ears does not change and the diameter reduction of the hand member does not change, so that it can be treated as a good product as it is. In addition, the occurrence rate of defective products of the tightening band is reduced, the yield is improved, and the assembly can be performed regardless of the direction of the tightening member, so that the productivity of the tightening band is improved. In addition, by forming the shape of both ends of the band member into a shape that can complement each other, an opening is prevented from being formed between both ends when the diameter is reduced, and the meat of the object to be tightened escapes from the opening. Deformation can be prevented, and the tightened state can be favorably maintained.

[Brief description of the drawings]

FIG. 1 is a front view of a tightening band and an explanatory view of both ends of a tightening member.

FIG. 2 is an explanatory perspective view of a tightening band.

FIG. 3 is an explanatory perspective view of a band member.

FIG. 4 is an explanatory view showing the shape of both ends of a band member.

FIG. 5 is a front view of a conventional tightening band and an explanatory view of both ends of a tightening member.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Tightening band 2 Band member 3 Tightening member 4 Locking piece 5 Tightening ear 6 Locking hole 7 Projection piece 8 Notch 9 Fixing position

Claims (4)

[Utility model registration claims] 1. A band member in the form of a metal band formed in a ring shape with both ends separated from each other, and attached to the band member across both ends of the band member. And a metal band-shaped tightening member capable of reducing the diameter of the band member by crushing the tightening ear, wherein a locking piece is bent outwardly near both ends of the band member. Locking holes are respectively drilled at equal distance positions from both side ends of the tightening member, and locking pieces of the band member are inserted into and locked in the locking holes, and both ends of the tightening member are A tightening band fixed to the band member. 2. The locking member of the band member and the locking hole of the fastening member are formed so as to position resistance welding of the fastening member to the band member. The fastening hand according to 1. 3. A tongue-shaped protruding piece is formed at one end of the band member, and a V-shaped notch is formed at the other end. The tightening band described. 4. The tightening band according to claim 3, wherein when the tightening ear of the tightening member is crushed, the band member is reduced in diameter and the protruding piece is accommodated in the notch and becomes flush. .