JP7333040B1 - Electricity confirmation device - Google Patents

Abstract

An object of the present invention is to remove the coating of an electric wire and to check the energization of the electric wire with a single tool. SOLUTION: This is an energization confirmation instrument for confirming energization, comprising a first cutting portion 11 capable of cutting a coating of a first electric wire by engaging two blades, and the first cutting portion 11 by engaging two blades. A second cutting part 12 capable of cutting the coating of a second electric wire different from the electric wire, the first cutting part is closed and the two blades are engaged, and the second cutting part is closed and the two blades are engaged. By gripping the grip portion 13 with which the blade is engaged, the first cutting portion is closed to cut the coating of the first electric wire and contact the core wire, and the second cutting portion is closed. and an energization confirmation unit 14 that cuts the coating of the second electric wire and contacts the core wire, and can confirm the energization between the core wire of the first electric wire and the core wire of the second electric wire. The energization confirmation instrument 10 is set as follows. [Selection drawing] Fig. 1

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an energization confirming instrument capable of removing coatings from electric wires and easily confirming energization between electric wires.

Electrical wiring is often carried out in buildings and the like. At that time, when connecting the electric wiring to the switch or the lighting, it may be necessary to confirm whether or not electricity is supplied between the electric wires. It is common to check the voltage with a tester, but it is not only time consuming but also inefficient work to go get the tester, remove the wire coating, and bring the tester probe into contact with the wire.

In Patent Document 1, two needle-shaped short-circuit test pieces that reach the core wire are held and gripped by hand to simultaneously penetrate the core wire, check the energization between the two core wires, and light the lamp if energized. An energization check device is described.

Patent document 1: JP-A-11-346411

However, in the device disclosed in Patent Document 1, it takes time and effort to remove the coating of the electric wire by holding it with a nipper or the like after confirming the energization with the energization check tool.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above-described problems, and to perform confirmation of energization and removal of coating from electric wires with a single tool.

In order to solve the above problems, the present invention is an energization confirmation instrument for confirming energization,
a first cutting portion capable of cutting the covering of the first electric wire by engaging two blades;
a second cutting part capable of cutting the covering of a second electric wire different from the first electric wire by engaging two blades;
a grip portion in which the first cutting portion is closed to engage the two blades and the second cutting portion is closed to engage the two blades;
By gripping the grip portion, the first cutting portion closes to cut the covering of the first electric wire and comes into contact with the core wire, and the second cutting portion closes to cut the covering of the second electric wire to cut the core wire. and an energization confirmation unit capable of confirming energization between the core wire of the first electric wire and the core wire of the second electric wire;
To provide an energization confirmation instrument characterized by comprising

With this configuration, it is possible to efficiently remove the coating of the electric wire and check the energization of the electric wire without having to switch hands with a single tool.

An energization confirmation device, wherein the first cutting portion cuts the coating of the first electric wire and contacts the core wire, and the second cutting portion cuts the coating of the second electric wire and contacts the core wire. The position may be a configuration separated by a predetermined distance in the extending direction of the first electric wire and the second electric wire.

With this configuration, it is possible to easily determine the length of the first wire or the second wire to be stripped of the coating by setting the determined length of the stripped coating to a predetermined distance.

An energization confirmation instrument, wherein at least one of the two blades of at least the first cutting portion or the second cutting portion cuts the coating and fits into the recess without cutting the core wire. It is good also as a structure provided with.

With this configuration, it is possible to easily cut only the coating and bring the first cut portion or the second cut portion into contact with the core wire.

In the energization confirming device, the energization confirmation unit may be a light-emitting element.

With this configuration, energization can be easily confirmed by confirming light emission.

The energization confirmation device is configured to include a holding portion capable of holding a state in which the first cut portion is in contact with the core wire of the first electric wire and the second cut portion is in contact with the core wire of the second electric wire. good too.

With this configuration, even if the hand is released from the grip of the energization confirmation tool, the energization confirmation can be maintained, so that other work can be performed while confirming the energization.

With the electrification confirmation instrument of the present invention, it is possible to remove the coating of the electric wire and to confirm electrification with a single instrument.

It is a figure explaining the electricity supply confirmation instrument in Example 1 of this invention. It is a figure explaining the use condition of the energization confirmation instrument in Example 1 of this invention. It is a figure explaining the relationship of the 1st cutting part and 2nd cutting part of the energization confirmation instrument in Example 2 of this invention. It is a figure explaining the electricity supply confirmation instrument in Example 3 of this invention.

Embodiment 1 An energization confirmation instrument according to Embodiment 1 of the present invention will be described with reference to FIGS. 1 and 2. FIG. 1A and 1B are diagrams for explaining an energization confirmation instrument according to a first embodiment of the present invention. FIG. 2A and 2B are diagrams for explaining the state of use of the energization confirmation instrument in the first embodiment of the present invention. FIG.

The electrification confirmation instrument 10 in Example 1 has a structure in which two nippers are combined. That is, the first cutting portion 11 of the first nipper and the second cutting portion 12 of the second nipper are provided. The second cutting portion 12 closes with 17 as a fulcrum. As a result, the first cutting portion first blade 111 and the first cutting portion second blade 112 of the first cutting portion 11 are engaged with each other, and the second cutting portion first blade 121 and the second cutting portion second blade 121 of the second cutting portion 12 are engaged with each other. The two blades 122 are configured to mesh with each other. Then, if there is an electric wire between the first cutting portion first blade 111 and the first cutting portion second blade 112 and between the second cutting portion first blade 121 and the second cutting portion second blade 122, at least the coating can be disconnected.

The grip part 13 is formed as one grip part by wrapping and fixing each of the two grips with a rubber-like band so that the grips of the two nippers can be closed at the same time. Thus, by gripping the one grip portion 13, the first cut portion 11 can be closed with the fulcrum 16 as the fulcrum, and the second cut portion can be closed with the fulcrum 17 as the fulcrum (see FIG. 2).

In addition, in the grip portion 13 in the first embodiment, the grips of the two nippers are wrapped with a rubber band, but the configuration is not necessarily limited to this and can be changed as appropriate. For example, the grips of the two nippers may be fixed by wrapping them with insulating tape. By gripping at least the grip portion 13, the two blades of the first cutting portion 11 (first cutting portion first blade 111 and first cutting portion second blade 112) are connected to the first wire C1. It is sufficient if the two blades of the second cutting part 12 (the first blade 121 of the second cutting part and the second blade 122 of the second cutting part) can be matched with the second wire C2. .

Instead of wrapping the grips of the two nippers with a rubber band or wrapping them with an insulating tape, the nippers may have a single grip portion and a first cutting portion and a second cutting portion.

The first cutting portion first blade 111, the first cutting portion second blade 112, the second cutting portion first blade 121, and the second cutting portion second blade 122 may be round blades or flat blades. It is desirable to have When the first cutting portion first blade 111 and the first cutting portion second blade 112 of the first cutting portion 11 are closed, they mesh with each other, and the core wire of the electric wire can be cut and the coating can be cut and removed. Similarly, when the first blade 121 of the second cutting portion 12 and the second blade 122 of the second cutting portion 12 are closed, they mesh with each other to cut the wire or cut and remove the coating. can.

A cable 151 and a cable 152 are separately connected from the first cutting section 11 and the second cutting section 12, respectively, and are connected to the energization confirmation section 14 consisting of an LED lamp. As a result, if the first wire C1 and the second wire C2 are energized, the two blades of the first cutting portion 11 (first cutting portion first blade 111 and first cutting portion second blade 112) At least one of the two blades of the second cutting portion 12 (the first blade 121 of the second cutting portion and the second blade 122 of the second cutting portion) contacts the core wire of the first electric wire C1, and at least one of the blades By contacting the core wire of the second electric wire C2, the LED lamp of the energization confirmation part 14 emits light, and energization can be easily confirmed.

In the first embodiment, the energization confirmation unit 14 is an LED lamp, but it is not necessarily limited to this and can be changed as appropriate. For example, the energization confirmation unit may be a tester or a buzzer. In particular, if the energization confirmation unit is a buzzer, it can be confirmed by sound. At least the first cut portion contacts the core wire of the first electric wire, the second cut portion contacts the core wire of the second electric wire, and the energization between the core wire of the first electric wire and the core wire of the second electric wire is confirmed. It would be nice if possible.

Further, the grip portion 13 may include an energization confirmation circuit and a transmission circuit to transmit energization information such as voltage to a smartphone or a personal computer.

To use this energization confirmation instrument 10, first, grip the grip portion 13, close the first cutting portion 11 and the second cutting portion 12 together, and separate the two blades from each. 22169; Cut and remove the coating of the first electric wire C1 and the second electric wire C2 by combining them (see FIG. 2). Then, the first cut portion 11 is brought into contact with the core wire of the first electric wire C1, and the second cut portion 12 is brought into contact with the core wire of the second electric wire C2. Then, when electricity is supplied to the first electric wire C1 and the second electric wire C2, the LED lamp of the electricity confirmation unit 14 emits light. Thereby, energization can be easily confirmed.

In addition, although not shown, a holding portion capable of holding a state in which the first cutting portion 11 is in contact with the core wire of the first electric wire C1 and the second cutting portion 12 is in contact with the core wire of the second electric wire C2 may be provided. . The holding portion may be formed of a rubber ring having an appropriate length and fixed to the grip portion 13, or the grip portion 13 may be provided with a lock portion such as a hook and a hole.

Thus, in Example 1, the energization confirmation instrument for confirming energization,
a first cutting portion capable of cutting the covering of the first electric wire by engaging two blades;
a second cutting part capable of cutting the covering of a second electric wire different from the first electric wire by engaging two blades;
a grip portion in which the first cutting portion is closed to engage the two blades and the second cutting portion is closed to engage the two blades;
By gripping the grip portion, the first cutting portion closes to cut the covering of the first electric wire and comes into contact with the core wire, and the second cutting portion closes to cut the covering of the second electric wire to cut the core wire. and an energization confirmation unit capable of confirming energization between the core wire of the first electric wire and the core wire of the second electric wire;
With the energization confirmation instrument characterized by having

Example 2 of the present invention is different from Example 1 in that the position of the first cut portion and the position of the second cut portion are separated from each other by a predetermined distance A in the extending direction of the electric wire to be checked for energization. An energization confirmation instrument of Example 2 will be described with reference to FIG. 3A and 3B are diagrams for explaining the relationship between the first cutting portion and the second cutting portion of the energization confirmation instrument according to the second embodiment of the present invention. FIG.

As shown in FIG. 3, the energization confirmation instrument 20 of Example 2 has a position where the first cutting portion 21 cuts the coating of the first electric wire C1 and contacts the core wire, and a second cutting portion 22 is positioned at the second electric wire C2. is separated by a predetermined distance A in the extending direction of the first electric wire C1 and the second electric wire C2.

When inserting a core wire of an electric wire into a connector, for example, the length of the core wire to be inserted is sometimes determined as an insertion length regulation. In such a case, if the predetermined distance A is set to the specified insertion length, the length of the wire C2 whose coating is removed can be set to the specified insertion length, as shown in FIG. After that, the electric wire C1 may be stripped of its covering along with the electric wire C2.

Thus, in Example 2, the position where the first cutting portion cuts the covering of the first electric wire and contacts the core wire, and the second cutting portion cuts the covering of the second electric wire and contacts the core wire The position in contact with the first wire or the second wire is a predetermined distance in the extending direction of the first wire and the second wire, and the determined length of coating removal is a predetermined distance. The stripped length of the wire can be easily determined.

Example 3 of the present invention is different from Examples 1 and 2 in that at least one of the blades has a recess that cuts the coating and fits without cutting the core wire. Example 3 will be described with reference to FIG.

The energization confirmation device 30 of Example 3 has a structure in which two nippers are combined as in Examples 1 and 2. As shown in FIG. In other words, it has the first cutting portion 31 of the first nipper and the second cutting portion 32 of the second nipper, and by gripping the grip portion 33 with the hand, the first cutting portion first blade 311 of the first cutting portion 31 and the The first cutting portion second blade 312 is meshed, and the second cutting portion first blade 321 and the second cutting portion second blade 322 of the second cutting portion 32 are configured to be meshed.

In Example 2, one of the blades is provided with a recess 313 into which the coating is cut and the core wire is fitted without being cut. The concave portion 313 may be provided in at least one of the two blades of at least the first cutting portion 31 or the second cutting portion 32, but all blades (first cutting portion first blade 311, First cutting portion second blade 312, second cutting portion first blade 321, and second cutting portion second blade 322).

As a result, it is possible to easily remove the covering of the electric wire of the first cut portion 31 and the second cut portion 32 and to make contact with the core wire.

Thus, in Example 3, at least one of the two blades of the first cutting portion or the second cutting portion cuts the coating and the core wire is stuck without being cut. By providing the concave portion for inserting, it is possible to easily cut only the covering and bring the first cut portion or the second cut portion into contact with the core wire.

The energization confirmation instrument of the present invention can be widely used in the field of electrical wiring.

10: Electricity confirmation device
11: First cutting part
12: Second cutting part
13: Grip
14: Energization confirmation unit
15: Cable
16: Fulcrum
17: Fulcrum
111: First cutting section first blade
112: First cutting part second blade
121: Second cutting section first blade
122: Second cutting section second blade
20: Energization confirmation device
21: First cutting part
22: Second cutting part
30: Energization confirmation device
31: First cutting part
32: Second cutting part
33: Grip
311: First cutting section first blade
312: first cutting section second blade
313: recess
321: Second cutting section first blade
322: Second cutting section second blade

Claims (6)

An energization confirmation instrument for confirming energization,
a first cutting portion capable of cutting the covering of the first electric wire by engaging two blades;
a second cutting part capable of cutting the covering of a second electric wire different from the first electric wire by engaging two blades;
a grip portion in which the first cutting portion is closed to engage the two blades and the second cutting portion is closed to engage the two blades;
By gripping the grip portion, the first cutting portion closes to cut the covering of the first electric wire and comes into contact with the core wire, and the second cutting portion closes to cut the covering of the second electric wire to cut the core wire. and an energization confirmation unit capable of confirming energization between the core wire of the first electric wire and the core wire of the second electric wire;
An energization confirmation instrument, comprising: The position where the first cutting portion cuts the coating of the first electric wire and contacts the core wire, and the position where the second cutting portion cuts the coating of the second electric wire and contacts the core wire are the first 2. The energization confirmation device according to claim 1, wherein the electric wire and the second electric wire are separated from each other by a predetermined distance in the extending direction. At least one of the two blades of at least the first cutting portion or the second cutting portion is provided with a concave portion that cuts the coating and fits the core wire without being cut. The energization confirmation jig according to claim 1. At least one of the two blades of at least the first cutting portion or the second cutting portion is provided with a concave portion that cuts the coating and fits the core wire without being cut. The energization confirmation jig according to claim 2. 5. The energization confirming device according to claim 1, wherein said energization confirmation unit is a light emitting element. Claim 1, further comprising a holding portion capable of holding a state in which the first cut portion is in contact with the core wire of the first electric wire and the second cut portion is in contact with the core wire of the second electric wire. 5. The energization confirmation instrument according to any one of 4.

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