JPH0786968A - Automatically cut neck suspending string and automatic cutting tool for neck suspending string - Google Patents

Abstract

PURPOSE:To eliminate danger such as the strangulation of a neck with an annular string by automatically cutting the annular string when a fixed load is applied to a neck suspending string formed in annular shape by piercing a string through an article. CONSTITUTION:An automatic cutting tool 1 for neck suspending string is formed by combining a male tool 2 and a female tool 3, and the end of the string 10 is fixed by forming a string fixing part 4 at the base part of the male tool 2, and also, an intermediate swelling protrusive part 5 is formed at the tip part of the male tool 2. The female tool 3 is formed in such a way that the end part of the string 10 is fixed by forming a string fixing part 7 at the base part, and a fitting hole 6 is formed at the tip part of the female tool 3, and the side wall of the hole is formed in such a way that plural elastic clampers 9 are formed via plural slivered grooves 8, and clasping claws 9A are formed at the inside of the tip part of the elastic clampers 9. The intermediate swelling protrusive part 5 of the male tool 2 is force-fitted in the fitting hole 6 of the female tool 3, and the intermediate swelling protrusive part 5 can be clamped with the clampers 9A. The intermediate swelling protrusive part 5 is separated by escaping the fitting hole 6 when a fixed tensile force is applied to the annular string 10.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to an automatic cutting neck strap and an automatic cutting tool for the neck strap, and in particular, it automatically cuts when an excessive load is applied to a strap ring for hanging an article on the neck. The present invention relates to an automatic cutting neck strap and an automatic cutting tool for the neck strap used therefor.

[0002]

2. Description of the Related Art Conventionally, for example, a sick person or an elderly person who lives alone, hangs a radio transmitter with a string as a means to notify the public office or hospital of an emergency when an attack of his illness occurs. When the switch is turned on, a wireless transmitter operates and a system is provided so that the welfare section of the public office can receive the signal.

[0003]

The wireless transmitter is small, and a strong string ring is attached to the wireless transmitter and the user hangs the string ring around his neck. The length of the string ring is about 70 cm so that even a person can immediately press the switch, so the user may hook the string ring on a bed, furniture, etc., resulting in the risk of falling. It has been pointed out that there is a risk of tightening the neck. Therefore, the string may be broken if a constant load is applied, but if the string itself is broken, it cannot be reused. In view of these circumstances, the present invention aims to provide an automatic cutting neck strap and an automatic cutting tool for the neck strap that can be reused by being cut with a constant load while using a sturdy strap. Was developed as.

[0004]

The present invention has taken the following technical means in order to solve the above problems and achieve the objects.

A. An automatic cutting tool consisting of male and female tools is attached to the annular middle part of the neck hanging annular string to form a ring, and the male tool is formed by forming a string fixing part at the base end and an intermediate bulging protrusion at the tip part. The female tool has a string fixing portion formed at a base end portion thereof, a fitting hole formed at a tip end portion thereof, and a side wall thereof forms a plurality of elastic gripping bodies through a plurality of vertical split grooves, An automatic cutting neck strap in which a gripping claw is provided on the inner side of the distal end of the elastic gripping body, the intermediate bulging projection is press-fitted into the fitting hole, and the bulging portion is gripped and connected by the gripping claw.

B. The male tool comprises a combination of male and female tools, wherein the male tool has a string fixing portion at the base end portion and an intermediate bulging protrusion formed at the distal end portion, and the female tool has a string fixing portion at the base end portion, and the distal end portion is formed. Is formed with a fitting hole for the intermediate bulging projecting body, and its side wall is formed with a plurality of elastic gripping bodies through a plurality of vertical dividing grooves, and a gripping claw is projectingly provided inside the tip of the elastic gripping body. , The intermediate bulging projection is press-fitted into the fitting hole, the bulging portion of the intermediate bulging projection is gripped by the gripping claws to be integrally connected, and the intermediate bulging is performed when a constant tensile force is applied. The projecting body comprises an automatic cutting tool for a neck strap, which is configured to be pulled out against the elasticity of the grip claw.

[0007]

The present invention constructed as described above has the following actions. That is, for example, pass a string of about 70 cm through the string passing portion of the transmission switch device,
One end thereof is fixed to the string fixing portion of the male tool, and the other end is fixed to the string fixing portion of the female tool. After that, when the intermediate bulging projection of the male tool is pressed into the fitting hole of the female tool, the tip of the elastic gripping body is pushed outward by the intermediate bulging body to open, and the intermediate bulging projection is fitted. When the inside of the hole is completely filled, the tip portion of the elastic gripping body returns by elasticity, and the gripping claw grips the intermediate bulging projection body, so that the string is connected in an annular shape. Therefore, the radio transmitter can be hung from the neck by hanging the loop cord around the neck. In this state, the wireless transmitter normally does not drop out. However, if a certain amount of force is applied to the string when someone pulls the string strongly or the user moves with the string caught on something, the elastic gripping body that grips the intermediate bulging protrusion is Elastic gripping force reaches the limit,
Since the intermediate bulging body comes out of the fitting hole and the coupling between the male and female tools is released, that is, the ring-shaped neck strap is divided, tightening of the neck with the ring cord is eliminated.

[0008]

Embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a front view of a center vertical section of an automatic cutting tool for a necklace, FIG. 2 is a perspective view of a male tool, and FIG. 3 is a perspective view of a female tool.
The neck strap automatic cutting tool 1 is composed of a combination of a male tool 2 and a female tool 3. The male tool 2 has a length of about 15 mm, and a string fixing part 4 formed of a through hole is formed at the base end part. In addition, an intermediate bulging protrusion 5 made of a sphere is formed at the tip,
A base portion 5A of the intermediate bulging projection 5 has a small diameter, and a laterally bulging portion 5B is formed in the middle portion. The diameter of the bulging portion 5B is, for example, 6 mm. Also, the female tool 3 has a length of about 15
Mm, and a deep fitting hole 6 is formed at the distal end portion from the distal end surface to the proximal end portion, and at the proximal end portion, a hole-like string fixing penetrating outward from the bottom portion of the fitting hole 6 is fixed. The part 7 is formed. 3, the side wall of the fitting hole 6 is formed as a plurality of elastic grippers 9.9 ... Through a plurality of vertical dividing grooves 8.8. On the inner side of the tip of the elastic gripping body 9 ..., the gripping claws 9A. 9A ... are projected inward. The diameter of the circle that is in contact with the inner end surface of each of the gripping claws 9A is set to, for example, 5 mm. After fixing the tip end portion of the neck hanging string 10 to each string fixing portion 7.4 of the male and female tool 3.2 having the above configuration, if the intermediate bulging body 5 is pressed into the fitting hole 6, the neck hanging Since the string 10 has an annular shape, it can be hung on the neck and a wireless switch device or the like can be hung on the string. In this case, the diameter of the circle contacting the inner tanmen of each of the gripping claws 9A is 5 mm, and the bulging portion 5 of the intermediate bulging protrusion 5 is
If the diameter of B is 6 mm, the bulging portion 5B is unlikely to enter the fitting hole 6, but if the intermediate bulging projection 5 is applied to the fitting hole 6 and pressed with a force of, for example, 5 kg / mm ² or more, Elastic gripping body 9.9 ...
The tip of is elastic so that it can be pushed outward by opening it. In addition, pulling the string, the tensile force is 3 to 8 kg / m
When it reaches m ² , the intermediate bulging projection 5 pushes the tip of the elastic gripping body 9.9 ... outward and pulls it out from the fitting hole 6, so that the annular neck strap 10 is cut and the one piece of one piece is cut. It becomes a string. Therefore, as shown in FIG. 1, the neck strap 10 has an annular shape, and even if a strong force is applied to the neck strap 10 by hanging it around the neck,
Since the male and female tools 3.2 are separated, the risk of tightening the neck with an annular neck strap is eliminated. The neck strap can be used not only for hanging the wireless transmitter 11 but also for a strap of a toy necklace, for example.

The present invention is not limited to the above-mentioned embodiment, but the design can be changed appropriately.

[0010]

The present invention constructed as described above has the following excellent effects.

A. Since the automatic cutting neck strap is equipped with an automatic cutting tool for the neck strap, which consists of a combination of male and female tools, in the middle of the annular strap, the male and female tools will separate even if a strong force is applied to the annular strap. Will disconnect the user,
Especially, old people, sick people, infants, etc. have their necks tied with a loop cord,
Alternatively, there is an effect that the risk of falling is eliminated.

B. The automatic necklace cutting tool is made of a small plastic and has a curved surface, so it is safe without injury. Also, regarding the tensile strength, it varies depending on the material, the length of the vertical groove, the diameter of the intermediate bulging protrusion, etc.
Since it can be easily set within 8 kg / mm ² ,
It is possible to supply inexpensive and highly durable materials.

[Brief description of drawings]

FIG. 1 is a front view of an automatic cutting neck strap.

FIG. 2 is a perspective view of a male tool of the automatic necklace cutting device.

FIG. 3 is a perspective view of a female tool of an automatic tool for cutting a necklace.

[Explanation of symbols]

 A Automatic cutting neck strap 1 Automatic cutting tool for neck strap 2 Male tool 3 Female tool 4.7 String fixing part 5 Intermediate bulging protrusion 5A Base 5B Bulging portion 6 Fitting hole 8 Vertical groove 9 Elastic gripping body 9A Grip claw 10 Annular string 11 Wireless transmitter

Claims (2)

[Claims] 1. An automatic cutting tool composed of a male and female tool is attached to an annular middle part of a neck strap to form a ring, and the male tool has a string fixing part at a base end and an intermediate bulging projection at a tip end. Each of the female members has a string fixing portion formed at a base end portion and a fitting hole formed at a distal end portion, and a side wall thereof is provided with a plurality of elastic gripping bodies through a plurality of vertical split grooves. A protrusion is provided on the inside of the tip of the elastic grasping body, the intermediate bulging protrusion is press-fitted into the fitting hole, and the bulging portion of the intermediate bulging protrusion is grasped and connected by the grasping claw. A self-cutting necklace characterized by being composed of 2. A combination of male and female tools, wherein the male tool is formed with a string fixing portion at a base end portion and an intermediate bulging projection is formed at a tip end portion, and the female tool is a string fixing portion at a base end portion. And a fitting hole for the intermediate bulging projection is formed at the tip end portion, and the side wall thereof forms a plurality of elastic gripping bodies through a plurality of vertical split grooves,
Gripping claws projecting from the inside of the tip of the elastic gripping body, the intermediate bulging projection is press-fitted into the fitting hole, and the bulging portion of the intermediate bulging projection is gripped by the gripping claws to be integrally connected, An automatic cutting tool for neck straps, characterized in that the tip of the string is fixed to each string fixing part.