WO2013073895A1

WO2013073895A1 - Jump rope

Info

Publication number: WO2013073895A1
Application number: PCT/KR2012/009748
Authority: WO
Inventors: 유정현; 이용모
Original assignee: You Jung-Hyun
Priority date: 2011-11-18
Filing date: 2012-11-16
Publication date: 2013-05-23
Also published as: KR101327188B1; KR20130055143A

Abstract

The present invention relates to a jump rope comprising: a rope (10) provided with a plurality of regularly spaced light-emitting members (21) therein, which are connected by two differently colored wires (13 and 15); and hand grips (30), which are disposed at either ends of the rope (10), and which are connected by the light-emitting members (21) and the wires (13 and 15), and which are provided with power sources (45) to turn the power light-emitting members (21) on or off. The light emitting capability of the present invention renders the jumping rope exercise more fun, and as jumping rope exercise can be safely done during early evening or at night, the exercise effect of jumping rope can be enhanced.

Description

Jump Rope

The present invention relates to a jump rope, and more particularly to a jump rope having a light emitting function. The present invention claims the benefit of the filing date of Korea Patent Application No. 10-2011-0120727 filed November 18, 2011, the entire contents of which are incorporated herein.

Rope skipping is a structure in which the rope (or rope) is cut to the required length and the handles are installed at both ends, and the rope jumps over the rope while holding the handles at both ends with both hands and turning the rope from above the feet to the head.

Steady jumping rope reduces body fat, which is effective in dieting and improves heart function, which not only improves overall endurance but also helps to prevent arteriosclerosis by lowering blood pressure.

Prior art related to rope skipping is a Korean Utility Model Utility Model Publication No. 0394324 (2005.09.01), "a rope skipping rope which can adjust the length of a rope skipping rope and connect several rope skipping ropes".

However, in the case of Korean Registered Utility Model Publication No. 0394324, it has the advantage of making it easy for the whole family to adjust the length of the rope skipping rope. There is a problem.

An object of the present invention is to improve the effect of the rope skipping exercise by improving the visual effect to exercise interestingly, and to provide a jump rope having a light emitting function so that the rope skipping movement is safely made at night.

According to a feature of the present invention for achieving the object as described above, the present invention is provided with a string having a plurality of light emitting members connected to two wires of different colors at a predetermined interval therein, and is provided at both ends of the string And a handle having a power supply unit connected to the light emitting member and an electric wire to turn on / off the light emitting member.

The light emitting member is an LED.

The string is disposed between the first injection part which is injection-molded such that two wires having different colors are spaced apart in the longitudinal direction, and the first injection part is cut at regular intervals and connected to the first injection part by wires. And a second injection unit which is injection molded to connect between the first injection unit and the light emitting member to surround the connection part of the light emitting member and the wire, and the first injection unit to form an appearance of the string. And a third injection part injection molded to surround the outer surface of the second injection part.

A connecting pin fixes the connection part of the light emitting member and the wire and the connection part of the wire and the wire for connecting the first injection part to which the light emitting member is connected to the first injection part.

The wire is made of one wire by twisting 15 to 20 strands.

The power supply unit includes a battery for supplying power to the light emitting member through two wires of different colors, and a switch for connecting or disconnecting the two wires with the battery.

It is provided on the handle cover detachably provided at the end of the handle and has a pressing portion for operating the switch by being pressed.

The skipping rope according to the present invention manufactures a string such that a plurality of light emitting members are provided therein through the third injection molding, and a power supply unit is provided at a handle installed at both ends of the string to enable on / off operation of the light emitting member.

Therefore, it is possible to exercise interestingly, as well as to make the rope skipping exercise safely in the early evening or at night, thereby increasing the exercise effect.

In addition, since the light emitting member is provided inside through the third injection molding, the light emitting member and the wire are firmly connected, so the operation reliability of the light emitting member is excellent, and the risk of short circuit is higher than that of the case in which the electric wire is embedded through the general coating. There is no effect of ensuring stability.

1 is a perspective view showing a preferred embodiment of the skipping rope according to the present invention.

Figure 2 is an enlarged perspective view showing the inside of the rope skipping rope according to the present invention.

3 is a cross-sectional view taken along line AA ′ of FIG. 2;

Figure 4 is an exploded perspective view showing the handle of the skipping rope according to the present invention.

5 is a process diagram showing a manufacturing process of the rope skipping rope according to the present invention.

Explanation of symbols on the main parts of the drawings

10: Line 11: Wire

13: first wire 15: second cable

17: first injection unit 21: light emitting member

23, 25: part to be positive (+), negative (-) 27: second injection part

29: third injection part 30: handle

31: Handle body 33, 35: Through hole

37: Supporting part 39: Hanging part

41: A handle cover 43: A push part

45: power supply portion 47: coupling portion

49: battery 51: switch

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 and 2, the rope jumper 10 includes a plurality of light emitting members 21 connected to two

wires

13 and 15 having different colors at a predetermined interval therein, as shown in FIGS. 1 and 2. And a handle 30 installed at both ends of the cord 10 and having a power supply 45 connected to the light emitting members 21 and

wires

13 and 15 to turn on / off the light emitting members 21. do.

The string 10 is manufactured by tertiary injection molding.

Specifically, as shown in FIG. 2, the string 10 includes a plurality of

first injection units

17 and 17a and first injection units disposed at a predetermined interval and provided with

wires

13 and 15 therein. 17 and the first injection unit 17a, the second injection unit 27, the first having a light emitting member 21 connected to the

wires

13, 15 of the first injection unit 17 therein A third injection part 29 is formed to surround the injection part 17 and the second injection part 27 to form an overall appearance of the string 10.

The first injection part 17 is injection molded so that two

wires

13 and 15 having different colors are provided to be spaced apart in the longitudinal direction. Two

different wires

13 and 15 are colored one positive (+) and the other negative (-). When two

wires

13 and 15 having different poles contact each other, a short circuit occurs, so that injection molding is performed to prevent a short circuit. The first injection unit 17 replaces the insulator coated on the

wires

13 and 15 and prevents the

wires

13 and 15 from being disconnected by the rotating force of the wire 10.

For convenience of description, two

wires

13 and 15 having different colors will be referred to as a first wire 13 and a second wire 15. The first electric wire 13 and the second electric wire 15 are made by twisting 15 to 20 strands, and such electric wire strands are for improving the mobility of the electric wires.

As shown in FIGS. 2 and 3, the

first injection parts

17 and 17a are cut at regular intervals and then coated at both ends so that the first wires 13 and the second wires 15 are exposed to the outside. Between the first injection unit 17 and the first injection unit 17a spaced at a predetermined interval by using the first wire 13 and the second wire 15 exposed to the outside of the first injection unit 17. The light emitting member 21 is electrically connected.

The light emitting member 21 is disposed between the

first injection parts

17 and 17a by cutting at a predetermined interval and is connected to the first wire 13 and the second wire 15. The light emitting member 21 is an LED (LED) is used. The LED has 1 second discoloration and 3 second discoloration functions. In addition, LEDs having various colors and functions are available.

The light emitting member 21 is to give a light emitting function to the rope during the rope skipping movement to make the rope skipping movement fun and interesting. In addition, the light emitting member 21 is to make the rope skipping movement safely at night.

As shown in FIG. 2, the first wire 13 and the second wire 15 protruding to the outside of the first injection unit 17 have a portion of the strand of the first wire 13 of the light emitting member 21. For example, the first wire 13a of the same color is connected to the portion 23 to be the anode (+), and the remaining strands of the first wire 13 protrude out of the counterpart first injection portion 17a. Connected.

In addition, the second wire 15 protruding to the outside of the first injection unit 17 is connected to a portion 25 of which the strand is to be the cathode (-) of the light emitting member 21, and the second wire 15 is connected to the second wire 15. The remaining strands of are connected to second wires 15a of the same color protruding to the outside of the first injection portion 17a.

The connecting pin 28 is fixed to the light emitting member 21 and the

wires

13 and 15 and the

wires

13 and 15 and the

counter wires

13a and 15a in a crimped form. The connection parts of the light emitting member 21 and the

wires

13 and 15 and the connection parts of the

wires

13 and 15 and the

wires

13a and 15a are brazed to facilitate electrical contact after being connected in a twisted manner. However, in case of brazing, since it is easy to be disconnected when a certain force is applied, it is fixed by pressing with a connection pin 28 made of an electrically conductive metal material.

If the shape of the connecting pin 28 is a shape capable of pressing and fixing the connecting portion of the light emitting member 21 and the wires (13, 15) and the connecting portion of the wires (13, 15) and the mating wires (13a, 15a) Various shapes are available.

The second injection part 27 is for wrapping and fixing the connection portion between the light emitting member 21 and the

wires

13 and 15. The second injection unit 27 is partially injection-molded to connect the first injection unit 17 and the first injection unit 17a on which the light emitting member 21 is disposed.

Since the space of the part in which the light emitting member 21 is disposed is so large that the appearance of the final product is difficult to be beautiful, partial injection is performed between the first injection unit 17 and the counterpart first injection unit 17a. Partial injection molding can be performed by making a separate mold.

The third injection portion 29 is injection molded to surround the outer surfaces of the first injection portion 17 and the second injection portion 27, and forms the entire appearance of the cord. Since the boundary between the first injection unit 17 and the second injection unit 27 is not smooth, the third injection unit 29 is further added to enhance the overall appearance of the string 10.

The first injection unit 17 to the third injection unit 29 may employ a transparent material to expose the

internal wires

13, 15, 13a, and 15a and the light emitting member 21 to the outside. In this case, it is easy to determine whether the

wires

13 and 15 and the light emitting member 21 are defective in the manufacturing process of the string 10.

On the other hand, the rope 10 is manufactured to the required length by the third injection molding handle 30 is installed at both ends thereof.

As shown in FIG. 4, the handle 30 includes a handle body 31 to which a string is freely rotatably connected, and a handle cover 41 detachably provided at an end of the handle body 31.

The handle body 31 has a through

hole

33 and 35 through which a line passes through the upper and lower parts, and a support part on which the power supply 45 to be described below is mounted and supported at a portion where the upper through hole 35 is formed. 37) is formed.

Handle body 31 has a locking portion 39 of the "L" shape on the upper outer surface. Handle cover 41 has a structure that is rotatably hooked to the "L" shaped engaging portion 39 to be detached. And, the upper surface of the handle cover 41 is provided with a pressing portion 43 that can be pressed. The pressing part 43 is for the operation of the light emitting member 21. The pressing part 43 may be made of rubber.

The handle 30 is provided with a power supply 45 connected to the

wires

13 and 15 of the string 10 to supply power to the light emitting member 21. A coupling part 47 into which the wire 10 is inserted is formed at the lower end of the power supply unit 45 so that the

wires

13 and 15 of the wire 10 are connected. Coupling portion 47 is fitted into the upper through hole 35 of the handle body 31 and the bottom surface of the power supply portion 45 is seated on the support portion 37 of the handle body 31 is supported.

The power supply unit 45 is connected to two

wires

13 and 15 having different colors of the first injection unit 17, that is, the first wire 13 and the second wire 15 to supply power to the light emitting member 21. The battery 49 and a switch 51 for connecting or disconnecting the first wire 13 and the second wire 15 to or from the battery 49 are provided.

When the switch 51 is pressed once, the first wire 13 and the second wire 15 are electrically connected to the battery 49. When the switch 51 is pressed again, the switch 51 is connected to the first wire 13 and the second wire 15. The battery 49 has a structure of releasing electrical connection.

The switch 51 is provided to protrude to the upper surface of the power supply portion 45 and is pressed to press the pressing portion 43 provided in the handle cover 41.

Hereinafter, the operation of the present invention will be described.

The process of manufacturing the rope skipping by manufacturing the rope through the third injection molding and installing handles at both ends of the rope will be described.

The first wire 13 and the second wire 15 are made by using different wire strands to distinguish the positive electrode from the negative electrode. The first wire 13 and the second wire 15 are made by twisting 15 to 20 strands, respectively.

Next, as shown in (a) of FIG. 5, the first electric wire 13 and the second electric wire 15 are arranged side by side to be spaced apart and injection molded into a rod shape. This rod shape is called the first injection part 17. Then, the first wires 13 and the second wires 15 are provided in the longitudinal direction in the rod-shaped first injection unit 17 without contacting each other.

As shown in (b) of FIG. 5, the first injection unit 17 is cut at a predetermined interval and covers both ends to prepare the first wire 13 and the second wire 15 to be exposed to the outside.

Next, the light emitting member 21 is disposed between the first injection unit 17 and the counterpart first injection unit 17a, which are arranged to be spaced apart from each other by the first injection unit 17 cut at a predetermined interval. Place it. At this time, the number of the first injection unit 17 and the number of the light emitting members 21 disposed between the first injection unit 17 are selected in consideration of the length of the rope skipping rope 10 is produced.

The light emitting member 21 disposed between the first injection unit 17 and the relative first injection unit 17a is connected to the

wires

13 and 15 exposed to the outside of the first injection unit 17.

A method of connecting the

wires

13, 15, 13a, and 15a of the

first injection units

17 and 17a and the light emitting member 21 may include firstly a first wire protruding out of the first injection unit 17. 13, a part of the strand of the light emitting member 21 is connected to the portion 23 to be the anode (+), and the other strand of the first wire 13, which is not connected to the light emitting member 21, is connected to a relative first injection portion ( 17a) is connected to the first wire 13a of the same color exposed to the outside, and secondly, a part of the strand of the second wire 15 is connected to the portion 25 to be the cathode (-) of the light emitting member 21 The remaining strands not connected to the light emitting member 21 of the second wires 15 are connected to the second wires 15a of the same color exposed to the outside of the counterpart first injection unit 17a.

Then, the light emitting member 21 is disposed between the first injection unit 17 and the relative first injection unit 17a and the light emitting member 21 is connected to the

wires

13, 15, 13a, and 15a. In this manner, the remaining light emitting members disposed between the remaining first injection unit and the first injection unit are also connected with wires so as to be in a state as shown in FIG.

At this time, the connection parts of the light emitting member 21 and the

wires

13 and 15 and the connection parts of the

wires

13 and 15 and the

counter wires

13a and 15a are soldered and pressed and fixed using the connecting pins 28. .

Next, as shown in (d) of FIG. 5, the light emitting member 21 and the

wires

13 and 15 disposed between the first injection unit 17 and the relative first injection unit 17a are connected. Partial injection is carried out to cover and fix the portion to form a second injection part 27 which is connected between the spaced apart portions of the first injection part 17.

When the injection of the second injection unit 27 is completed, as shown in (e) of FIG. 5, the third injection unit surrounds the outer surfaces of the first injection unit 17 and the second injection unit 27. Perform molding.

The third injection part 29 is formed through the third injection molding, and the appearance of the third injection part 29 forms the overall appearance of the rope skipping rope. Specifically, the third injection unit 29 serves to balance the overall balance of the string.

When the string 10 in which the light emitting member 21 is disposed at regular intervals by the above-described process is completed, the handles 30 are installed at both ends of the string 10. One side of the handle 30 has a power supply 45 electrically connected to the

wires

13 and 15 of the string 10 so that the light emitting member 21 is turned on / off according to the user's pressing operation.

At this time, the string 10 is connected to the power supply 45 provided in the handle 30 through the through

holes

33 and 35 of the handle body 31, the power supply 45 also has a cylindrical shape. Since the rotation is free within the handle body 31, the twisting of the rope 10 does not occur during the skipping rope movement and the rotation is free.

In addition, the line 10 is connected to the coupling portion 47 of the power supply 45, so that the string 10 is firmly fixed to the coupling portion 47 through silicone sealing or the like, so that the electrical connection is smoothly made, and thus the light emitting member ( 21) High operational reliability.

In this way, the skipping rope can be operated while the light emitting member 21 is operated and the light emitting function is maintained by pressing the pressing part 43 once, and the rope skipping exercise can be performed in an interesting manner, and the visual effect is enhanced to improve the effect of the skipping rope movement. Can be improved.

In addition, it is possible for another person to identify a jump rope exercise at early evening or at night so that the rope skipping movement can be safely performed.

And, when the rope skipping pressing the pressing portion 43 again, the electrical connection is cut off and the light emitting function is released. Therefore, the light emitting function may or may not be used according to the user's selection.

Since the jump rope is manufactured through the third injection molding, the electric wire is not short-circuited during the jump rope movement, and the appearance is beautiful and the convenience is high.

Within the scope of the basic technical idea of the present invention, many other modifications are possible to those skilled in the art, and the scope of the present invention should be interpreted based on the appended claims. will be.

Claims

A cord having a plurality of light emitting members connected to two different wires at different intervals therein;

And a handle installed at both ends of the cord, the handle having a power unit connected to the light emitting member and an electric wire to turn on / off the light emitting member.
The method according to claim 1,

The light emitting member is a jump rope, characterized in that the LED (LED).
The method according to claim 1,

The above line

A first injection part which is injection-molded such that two wires having different colors are spaced apart in the longitudinal direction;

A light emitting member disposed between the first injection parts and cut at predetermined intervals, the light emitting member being connected to the first injection part by wires;

A second injection part which is injection-molded to connect between the first injection part and the first injection part to surround a connection part of the light emitting member and the wire;

And a third injection part which is injection-molded to surround the outer surfaces of the first injection part and the second injection part to form an appearance of the string.
The method according to claim 3,

A connection portion of the light emitting member and the wire,

The jump rope characterized in that the connecting pin is fixed to the wire and the connecting portion of the wire for connecting the first injection unit connected to the light emitting member relative to the first injection unit.
The method according to claim 1,

The wire rope skipping, characterized in that made by twisting 15 to 20 strands into a single wire.
The method according to claim 1,

The power supply unit

A battery for supplying power to the light emitting member through two wires having different colors;

Jump rope characterized in that it comprises a switch for connecting or disconnecting the two wires with the battery
The method according to claim 6,

Rope skipping, characterized in that provided in the handle cover detachably provided at the end of the handle and has a pressing portion for operating the switch by being pressed.