JPH07330016A - Across band - Google Patents

Abstract

PURPOSE:To secure a uniform binding force against a hose or the like, by forming a band from the head side and the free end side and connecting the respective bases to a saddle with a recessed line and giving a required angle to a straight. line passing through the front end edge of the saddle. CONSTITUTION:An across band is a binding band used when connecting pipe ends to a hose or the like with reinforcing spirals having protrusive spirals at the external face and constituted of a binding body 3 and a band. In this case, the band is composed of a head side band 41 and a free end side band 42. Respective bases 43, 44 of both side bands 41, 42 are connected to a saddles 40 provided with a recessed line 51. The straight line R including the front end edge 45 of the saddle 40 is formed so as to have a required angle A between the line R and the crossing line at right angles passing through the intersection point of the center line P of the recessed line 51 and the line R. In this way, even when both bands 41, 42 pull each other on fastening them, a compressing force is generated so as to increase it against the saddle 40.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an across band, and more specifically to a fastening band used when connecting a joint or a pipe end to a hose or duct with a reinforcing wire having a ridge wire on the outer surface of the hose. It is related.

[0002]

2. Description of the Related Art A cross band developed by the same applicant as this application is disclosed in Japanese Patent Application No. 5-292394 (Japanese Patent Application Laid-Open No. Hei. .

[0003]

The above disclosed technology will be summarized as follows with reference to FIG. As shown in FIG. 8, the across band 10 is composed of a band 4 and a tightening body 3 detachably attached to an end of the band 4. The band portion 5 between the head-side band 41 and the free-side band 42 of the band 4 is formed with a recess 51 having a semicircular cross section, and this band portion is formed as the body 40. A fastening body 3 is provided on the head.

FIG. 9 shows the use state of the above-mentioned cross band.
The explanation is as follows. FIG. 9A shows a case in which the cross band 10 is applied to the binding between the hose 1 with the projecting streak wire and the pipe 6, and the semicircular concave streak 51 formed on the cushion body 40 is attached to the streak 2. Band part 5
The head side and free side bands 41 and 42 maintain their pressed state by directly contacting their respective surfaces with the surface of the hose.

FIG. 9 (b) shows the fastening state of the across band 10, and as is apparent from the figure, the head side and free side bands 41, 4 shown in the same figure (a) are shown.
Reference numeral 2 denotes a hose with the free band 42 fastened to the fastening body 3 provided at the end of the head side band 41 at a portion where the line 2 does not exist by winding the hose with a projecting streak in the circumferential direction. It is bound to the tube 6.

The pressing force of the body 40 against the surface of the hose 1 in the above state is due to the head side band 41 and the free side band 4.
2 is pulled in the fastening direction, the bases 43 and 44 of the both bands 41 and 42 are connected to the paddle body 40.
There was a case where a reverse pressing force (a force to lift) was generated. The present invention is intended to provide an across band that does not generate the reverse pressing force.

[0007]

The basic structure of the present invention will be described below with reference to FIG. As is clear from the figure, the free side bands 4 are provided on both sides of the cushion body 40, respectively.
1 and the head side band 42 are connected so that the respective base portions 43 and 44 do not match the side edges of the cushion body 40. Moreover, the straight line R including the front end edge 45 of the cushion body has a desired angle between the center line P of the concave line 51 provided on the cushion body and the orthogonal line Q orthogonal to the intersection point of the front end edge 45 and the above-mentioned center line. It is formed so as to form A. In addition,
The angle A is preferably about 18 °. Band 41
Alternatively, the folding direction of 42 is always one of the bands in the plus direction of the angle A and the other in the opposite direction.

[0008]

As described above, according to the present invention, the front end edge of the cushion body is inclined so as to form a desired angle with respect to the orthogonal line orthogonal to the center line of the concave line provided in the cushion body. Even when the band on the part side shows a tug of war at the time of fastening, the pressing force tends to increase with respect to the cushion body.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the invention is shown in FIG. As is clear from the figure, the straight line R-R including the front end edge 45 of the cushion 40 has the desired angles A, A with respect to the line Q-Q orthogonal to the center line P-P of the recess 51 provided in the cushion. Is formed to hold.

Further, the head side band 41 and the free end side band 4
2 is bent so that the respective base portions 43 and 44 are aligned with the respective side edges of the cushion body 40. In addition, a fastening body 3 is provided at the end of the head-side band, and when the object to be fastened is fastened, the free end-side band tip is inserted into the fastening body. Reference numeral 4 indicates a band portion including both the above-mentioned bands. Although not shown in particular, the front edge opposite to the front edge is also formed with the desired angle.

The fastening body applied to the embodiment of the present invention will be described below with reference to FIGS. 3, 4, 5 and 6. FIG. 3 is a plan view of the fastening body 3, and this fastening body is formed by one plate body 4 and has a ball lock function.

The ball lock function is such that a top plate portion 31 bulged by a press or the like in the substantially central portion of the plate 3 and band guide grooves 32, 32 formed on both sides in the longitudinal direction shown in FIG. 5 and a base portion at the groove ends. Are in contact with each other and are bent inward to be formed by the bottom plates 33, 33 and the ball 5. Further, the above function is obtained by forming the top plate portion 31 in an inclined shape as is particularly clear in FIG. Note that the top plate portion 31 is formed with a stop piece 34 for preventing the ball 5 from falling off after the ball is enclosed.

The fastening body 3 is provided with a mechanism for disengaging the ball lock. The mechanism will be described as follows. As is apparent from FIG. 3, particularly FIG. 4, the tongue piece 36 is formed by notching the anti-opening end of the top plate portion 31 and forming a small piece formed by the notches 35 and 35. The void C is formed by erecting the tongue piece 36 described above, but when releasing the ball lock, this void C is formed.
The object can be achieved by rolling the ball 5 in the pressing release direction with a fine rod or the like. When it is not necessary to release the fastening function, the tongue piece 36 may be bent to close the gap C.

Further, as shown in FIG. 6, the bottom plate 3 of the fastening body 3
3, 33 have two skirts 38, 38 on the open end side of the top plate through the cut grooves 37, 37 and 2 on the opposite open end side.
Two bent pieces 50, 50 are formed by the cut grooves 39, 39 of the book, but both of these members have a function of preventing slippage when the band is attached to the fastening body.

In the across band according to the present invention, the fastening body and the band portion are separated and each functions as a single body. The band portion is attached to the fastening body and the fastening portion is fastened to the object to be fastened. The bound state will be described below with reference to FIG. 7.

As is apparent from the figure, when the head side band 41 of the band body 4 is attached to the fastening body 3, the end portion 41 'of the band 41 is bent and attached so as to sandwich the bottom plate 33. At this time, by bending the bent piece 50 outward, the effect of preventing the band end from coming off can be expected. Further, the band 41 that is in contact with the skirt 38 can be expected to have a sawtooth effect by bending the skirt inward.

Further, as is apparent from the figure, the free end side band 42 is never loosened in the dissociation direction (see the arrow) by the ball 5. The present invention is not limited to the above-mentioned embodiment, and as the fastening body, other known fasteners such as worm type fasteners can be arbitrarily adopted.
In addition, a cushion body having a shape corresponding to the winding method of the ridge-straight line (right, left) is adopted. Alternatively, the head side band and the free end side band may be attached to the cushion body by bending and then spot welding or the like, or both members may be formed as separate bodies and fixed to the cushion body by welding means or the like. Good.

[0018]

Industrial Applicability According to the present invention, a hull provided with a concave ridge attached to a helix of a hose with a ridge streak, and a head side and a free side band extending in the front-rear direction from the hull are crossed. A desired angle is formed between the center line of the concave line formed on the body and the straight line including the front edge of the body and the orthogonal line orthogonal to the center of the straight line and the intersection point of the straight line. Therefore, since the body surface is made to function so as to sink into the hose surface, a uniform fastening force is exerted on the hose peripheral surface.

Further, according to the present invention, the band portion and the fastening body are formed as a single body, and when used as an across band, the band portion is connected to the fastening body, and the band portion is adapted to the size of the object to be fastened. Any length can be used. In addition, the present invention has a function of releasing the fastening by providing a gap at the non-open end of the fastening body through the tongue piece.

[Brief description of drawings]

FIG. 1 is an explanatory view of a main part of a cushion body according to the present invention.

FIG. 2 is a perspective explanatory view showing an embodiment of the present invention.

FIG. 3 is a plan view of a fastening body.

FIG. 4 is a sectional view taken along the line I-I of FIG.

FIG. 5 is a side view of FIG.

FIG. 6 is a bottom view of FIG.

FIG. 7 is a cross-sectional view of a main part when a band portion and a fastening body are connected to each other and an across band of the present invention is fastened to a fastened body.

FIG. 8 is a perspective view of a main part of a conventional across band.

FIG. 9 is an explanatory diagram showing a usage pattern of a conventional ACROSS band.

[Explanation of symbols]

 1 Hose with ridge line 2 Wire line 3 Fastening body 4 Band part 5 Ball 6 Tube 31 Top plate 32 Guide groove 33 Bottom plate 34 Stop plate 35 Notch 36 Tongue piece 41 Head side band 42 Free end side band 43 Head Band base portion 44 Free end side band base portion 45 Front edge end of the body 51 Recessed line

Claims (2)

[Claims] 1. An ACROSS band formed by a fastening body and a band portion, wherein the band portion is formed by a head side band and a free end side band, and the base portions of the both bands are connected to a cushion body provided with a recessed line. A straight line including the front edge of the body,
An across band formed so as to have a desired angle between a center line of the groove and an orthogonal line passing through an intersection of the straight line. 2. The across band according to claim 1, wherein the fastening body and the band portion are each formed as a single body.