JP2543647Y2 - Strap connection structure - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for connecting straps used for carrying straps for accessories such as folding umbrellas, portable radios, portable cameras and portable telephones.

[0002]

2. Description of the Related Art The connecting structure of a strap of this type is formed by temporarily joining the ends of the strap to each other by means of sewing or the like or, if the strap is made of a synthetic resin material, by means of welding or the like. For example, in a state configured in a loop,
A temporary binding portion of the strap is set in a mold, plastic is injected into the mold so as to surround the strap, and a synthetic resin covering body is formed and provided. In addition to concealing the ties, it works to improve the appearance, secures the strength of the ties, and protects them.

[0003]

However, in the above-mentioned conventional strap connecting structure, it takes time and effort to produce the molding die, and the molding operation is troublesome. In addition, when the strap is made of a material having a smooth surface such as a synthetic fiber, there is a drawback that, during the use of the strap, the cover body is likely to slip from the temporary binding portion of the strap and cause a positional shift.

[0004]

[Purpose of the Invention] The present invention has been made based on the above circumstances, and the cover body can be securely fixed to the strap binding portion with a simple and easy-to-manufacture configuration, thereby improving the appearance of the strap binding portion. Another object of the present invention is to provide a strap connecting structure that ensures its protection.

[0005]

For this reason, in the strap connecting structure of the present invention, a strap in which the ends of the strap are bound and the covering body (1) made of synthetic resin is fitted so as to surround the bound portion. In the coupling structure of the above, the binding portion of the strap end is formed by a large-diameter step portion formed by overlapping and binding the strap end portion and a small-diameter strap portion continuous with the large-diameter step portion. 1) has a fitting portion (2) formed of a hole penetrating from the front end surface to the rear end surface thereof, and the fitting portion (2) is formed into a small-diameter hole into which the small-diameter strap portion is inserted. A thin portion (2C), a thick portion (2D) formed of a large-diameter hole into which the large-diameter step portion of the binding portion is inserted, and a large portion formed at the deep end of the thick portion (2D). Step where the step is locked (2A), and traverses the covering tool body (1) in a state where the binding portion of the end of the strap is inserted and locked in the fitting portion (2) of the covering tool body (1). So that the covering tool body (1)
A pin hole (4) is formed in the pin hole (4), and a pin (5) is inserted into the pin hole (4) so as to penetrate the binding portion of the strap or in the vicinity thereof, thereby fixing the covering body (1) to the strap. It is characterized by. As shown in the first embodiment of FIGS. 1 to 3, the binding portion at the end of the strap is bound by binding one end of the strap to an intermediate portion of the strap, and the strap is extended from the overlapped binding portion. Can be a small-diameter strap portion. Further, as shown in the second embodiment in FIG. 4, the binding portion at the end of the strap overlaps one end and the other end of the large-diameter strap to form the large-diameter step portion, and One end and the other end of the small-diameter strap constituting the small-diameter strap portion may be inserted between the portions and overlapped and bound.

[0006]

In the above construction, the cover body (1) is separately molded, and the ends of the strap (6) are temporarily bound. Next, the strap (6) is inserted into the fitting portion (2) of the covering device body (1) from the end of the small-diameter strap portion from the side of the thick portion (2D), and the large size of the strap (6) is inserted. The radial step is brought into contact with the step (2A) in the fitting section (2). As a result, the temporary connection portion of the strap (1) is inserted and engaged with a fixed position in the fitting portion (2) of the covering device body (1). In this state, the pin (5) is driven into the pin hole (4) so that the pin (5) penetrates the temporary binding portion.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be specifically described below with reference to the drawings. 1 to 3 show a first embodiment. In the figure, reference numeral 1 denotes a covering body made of synthetic resin,
The fitting portion 2 is formed in the inside thereof, which is formed by a flat hole penetrating the center and opening at both ends. Fitting part 2
Is formed with a stepped portion 2A. At this position, the thickness of the fitting portion 2 toward both ends of the covering tool main body is changed. The cover body 1 has a flattened shape with one end rounded, and a number of parallel grooves 3 are formed on the upper and lower surfaces for slip prevention.

In this embodiment, a pin hole 4 is formed in the thin portion 2C of the fitting portion 2 and penetrates the cover body 1, and a pin 5 is driven into the hole. . The thin portion 2C of the fitting portion 2 has a thickness corresponding to the thickness of the strap 6 (band-like string) to which the cover body 1 is attached, and the thick portion 2D of the fitting portion 2 Has a thickness corresponding to twice the thickness of the strap 6.

In such a configuration, first, one end 6-1 of the strap 6 is sewn to the intermediate portion of the strap 6 by means of sewing or so as to form a loop in advance.
When the belt is made of a synthetic resin film or a synthetic resin woven fabric, the belts are joined by welding. And
The other free end is inserted into the fitting portion 2 of the covering tool main body 1 from the opening on the thick portion 2D side, and pulled out from the opening on the thin portion 2C side. Due to this, the above-mentioned connecting portion is connected to the fitting portion 2.
Can be introduced into a predetermined position of the covering device main body 1 at a position where the strap 6 is connected. In this state, when the pin 5 is driven into the pin hole 4, the pin 5 penetrates through the strap 6, enters the pin hole on the opposite side, and fixes the strap 6 to the cover body 1. For this reason, there is no possibility that the cover main body 1 may be displaced in the longitudinal direction of the strap 6 during use.

[0010] In this manner, by using the trap connecting structure of the present invention, the binding portion of the belt can be surely covered, the appearance can be improved, and the protection can be achieved. In addition, in this embodiment, since the cover body 1 is an integral body of a synthetic resin and is separately molded separately,
Compared with the conventional combination structure, the structure is simple, the manufacturing cost is low, and the binding portion of the strap 6 can be easily covered with the above-mentioned covering body 1 simply by fitting the strap 6 into the fitting portion 2. it can. In addition, in this state, the position at which the pin 5 is driven into the pin hole 4 is determined by the action of the step portion 2A of the fitting portion 2, which is convenient for assembling.

In the above embodiment, the shape of the fitting portion of the cover body is set so as to target flat cords (belts). However, cords having a circular cross section may be used. In addition, the shape and structure of the fitting portion may be selected and set to suit the case. Also, the connection structure of the strap,
Instead of forming one end of the same object into a loop shape as in this embodiment, a structure in which the flat string 6A and the round string 6B are connected as in the second embodiment in FIG. It is. In the second embodiment, the pin 5 is driven through the overlapping portion of the joining end of the string 6A, and has the effect of preventing the cover body 1 from coming off and improving the joining strength of the string 6A and the string 6B.

[0012]

According to the present invention, as described above, the strap is attached to the strap by binding the ends of the strap, fitting the synthetic resin covering body so as to surround the bound portion, and attaching the strap to the strap. In the connecting structure of (1), a pin hole is formed in the covering tool main body so as to cross the fitting portion of the covering tool body, a pin is inserted into the pin hole, and a binding portion of the strap is penetrated, and the covering Since the body of the strap is fixed to the strap, the body of the strap can be securely fixed to the strap with a simple and inexpensive structure, and the appearance of the strap and the protection of the strap can be improved. Practical effect that it can be obtained.
Further, in the present invention, the binding portion of the strap end portion is formed by a large-diameter step portion formed by overlapping strapping of the strap end portion and a small-diameter strap portion continuous with the large-diameter step portion,
The fitting portion 2, which is a hole penetrating from the front end surface to the rear end surface of the cover body 1, is inserted into the thin portion 2 </ b> C formed of the small-diameter hole and the large-diameter step portion at the binding portion is inserted and engaged. The large diameter step of the strap is inserted and engaged with the step 2A in the covering device main body 1 before the pin 5 is driven, so that it is formed by the continuation of the thick portion 2D having the diameter hole and the step 2A. , And the strap binding portion is fixed at a predetermined accurate position in the covering device main body 1, so that there is no defective product and the above fixing work is easy.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a first embodiment of the present invention.

FIG. 2 is a vertical perspective view of the same part.

FIG. 3 is a vertical sectional side view of FIG. 1;

FIG. 4 is a perspective view showing a second embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cover main body 2 Fitting part 2A Step part 3 Groove 4 Pin hole 5 Pin 6 Strap

Claims (3)

(57) [Scope of request for utility model registration] [Claim 1] to bind the ends of the strap, the coupling structure of the strap thereof so as to surround the tie portion fitted synthetic resin coating device body (1), the strap
Shape the binding part at the end by overlapping the strap end.
The large-diameter step formed and the small-diameter strat connected to the large-diameter step
And the covering tool body (1) is
It is made up of a hole penetrating from the front end to the rear end.
And the fitting portion (2)
A thin, small-diameter hole into which the small-diameter strap is inserted
(2C) and the large-diameter step at the above-mentioned binding location are inserted
A thick portion (2D) composed of a large-diameter hole and the thick portion (2D)
D) is formed at the back end and engages with the large-diameter step portion at the binding location.
Formed by continuity with the step (2A) to be formed,
The strap end is connected to the fitting portion (2) of the main body (1).
In the state where the bundle portion is inserted and engaged , the pin hole (4) is formed in the covering tool body (1) so as to cross the covering tool body (1).
And a pin (5) is inserted into the pin hole (4) to penetrate the strap binding portion or in the vicinity thereof, and the covering body (1) is fixed to the strap. Coupling structure. 2. The strap binding part at the end of the strap
One end of the wrap overlaps the middle part of the strap and binds
And the other end of the strap extending from the polymerized binding portion
2. A small-diameter strap portion on the side.
3. The strap connecting structure according to 1. 3. The binding portion at the end of the strap has a large diameter.
One end and the other end of the strap are overlapped to form the large-diameter step
And the small-diameter strap between the overlapping portions.
Insert one end and the other end of the small diameter strap
2. The structure according to claim 1, wherein the structure is configured to be polymerized and bound.
The connection structure of the strap.