KR20060104716A - An electric wire reel - Google Patents

Abstract

The present invention relates to an electric wire winding reel having an explosion-proof structure, and more particularly, even if a drum is wound around a wire and a spark is generated between the rotating terminal and the fixed terminal, the contact portion is sealed to the outside to prevent an explosion of gas. It relates to an invention so as to prevent it.

The present invention described above, the inside of the case 10, the front and rear doors 10a is formed, the drum 20 wound around the wire 2 is mounted and rotated, the rotary terminal 30 mounted on the drum 20 Is rotated in close contact with the fixed terminal 40 mounted on the case 10, the fixed terminal 40 is connected to the outlet 61 mounted on one side of the case 10, even if the drum 20 is rotated 61 is a fixed reel (1), the inside of the drum 20 is formed with a sealed space 24 is connected to the wire 2, negative and positive (-) rotation of the The terminals 30 are mounted in the space part 24, and the rotary shaft 23 mounted on the other guide plate 22 of the drum 20 passes through the other support plate 12 of the case 10 so that the lever 26a is provided. And a cylindrical bushing 50 coupled to the rotating plate 26 having a side surface, and fixed to one side of the support plate 11 of the case 10 in the shaft hole 21a which is drilled in the guide plate 21 of the drum 20. ) Is tightly inserted Highly concentric guide grooves 21b are formed at the periphery of the shaft hole 21a so that the concentric guides 50a formed at the periphery of the bushing 50 are tightly coupled to seal the space 24. Inside the 50, the fixed terminals 40 of the negative and positive (-) (+) electrodes, which are insulated in multiple stages, are inserted into and are in contact with the rotating terminals 30 of the negative and positive electrodes, respectively. The cover 60 covered by one side of the support plate 11 of the case 10 may be achieved by an electric wire winding reel of the explosion-proof structure, characterized in that the outlets 61 are mounted and connected to the fixed terminal 40 by an electric wire. It is.

Description

Explosion proof wire reel for winding {an electric wire reel}

1 is a perspective view illustrating an embodiment of the present invention,

2 is an exploded perspective view illustrating an embodiment of the present invention;

3 is a cross-sectional view illustrating an embodiment of the present invention;

4 is an exploded sectional view enlarging a part of FIG. 3;

Figure 5 and Figure 6 is a use state diagram illustrating the transport state of the reel according to the present invention, respectively.

Explanation of symbols on the main parts of the drawings

1: reel 2: wire

10: case 10a: doorway

11, 12: support plate 12a: bearing

20: drum 20a: bulkhead

21, 22: guide plate 21a: shaft ball

21b: guide groove 23: rotating shaft

23a: storage space 24: space

24a: access hole 25: opening and closing door

25a, 32a: Packing 25b: Screw

26: rotating plate 26a: lever

30: rotary terminal 31: casing

32: bolt pipe 33: cap

40: fixed terminal 41: insulator

50: bushing 50a: guide

60: cover 60a: auxiliary space

61: outlet 62: plug

70: bracket 71: handle tube

71a: Handle bar 72: Tightening bolt

73: wheels

The present invention relates to an electric wire winding reel having an explosion-proof structure, and more particularly, even if a drum is wound around a wire and a spark is generated between the rotating terminal and the fixed terminal, the contact portion is sealed to the outside to prevent an explosion of gas. It relates to an invention so as to prevent it.

In general, the reel for winding a wire is to allow the wire wound on the drum to be released for a long time to supply power away from the power source, and after use, it can be easily stored by winding the wire on the drum.

Among them, even if the wire wound drum is rotated, the outlet mounted on the drum case has been proposed to keep the reel for wire winding configured to be able to conveniently move the reel even when the plug is connected to the outlet.

However, when the outlet is fixed as described above, the rotary terminal mounted on the drum rotates while being in intimate contact with the fixed terminal mounted on the case when the drum is wound. There was a closed end such as spark between the and fixed terminal.

In particular, the reel of the conventional structure in which the outlet is rotated together with the drum was not available in the surroundings, because the company that manufactures the gas or the company that manufactures the gas could not use the reel for winding the wire while the outlet was fixed. As a result of this, not only did not increase the ease of use, but also caused a significant decrease in the efficiency of power connection work.

The present invention has been made in view of the above-described problems, and its object is to prevent the explosion of gas by contacting the externally sealed part even if a spark is generated between the rotating terminal and the fixed terminal by rotating the wire wound drum. It is to provide an explosion-proof reel for electric wire winding.

A feature of the present invention for achieving the above object is, the inside of the case 10 is formed in the front and rear doors (10a), the drum 20 wound around the wire 2 is mounted and rotated, the drum 20 The rotating terminal 30 is rotated in close contact with the fixed terminal 40 mounted on the case 10, the fixed terminal 40 is connected to the outlet 61 mounted on one side of the case 10 drum Even if the 20 is rotated, the outlet 61 is fixed to the reel 1, and the inside of the drum 20 is formed with a sealed space 24 is connected to the wire 2, negative, positive ( (+) Rotary terminals 30 are mounted in the space part 24, and the rotary shaft 23 mounted on the other guide plate 22 of the drum 20 has the other support plate 12 of the case 10. It is coupled to the rotating plate 26 having a lever (26a) penetrating through), and fixed to one support plate (11) of the case (10) in the shaft hole (21a) which is drilled in one guide plate (21) of the drum (20) Cylindrical section (50) (bushing) is tightly inserted, and the concentric guides (21a) formed in the peripheral portion of the bushing (50a) is formed in the peripheral portion of the shaft hole (21a) is tightly coupled The space part 24 is sealed, and the fixed terminal 40 of negative and positive (-) (+), which is composed of multiple stages, is inserted into the bushing 50 to penetrate the negative and positive (-) The explosion-proof structure, which is in contact with the rotary terminals 30, the cover 60 is covered on one side of the support plate 11 of the case 10 is equipped with outlets 61 is connected to the fixed terminal 40 by an electric wire It can be achieved by the reel for winding the wire.

Hereinafter, with reference to the accompanying drawings, preferred embodiments for achieving the above object in detail as follows.

As shown in Figure 1 to Figure 6, the front and rear of the cylindrical case 10 is formed in the entrance (10a) to draw the wire 2, the inside of the case 10, the wire (2) The wound drum 20 is mounted to be rotatable.

The drum 20 is equipped with a rotary terminal 30 to display a negative electrode (-) and a positive electrode (+), and a fixed terminal 40 to display a negative electrode (-) and a positive electrode (+) on the case 10, respectively. Is mounted so that the rotary terminal 30 is in close contact with the fixed terminal 40 can be rotated.

The fixed terminal 40 is connected to the outlet 61 mounted on one side of the case 10 so that the outlet 61 is fixed even if the drum 20 is rotated.

Of course, the reel 1 for winding the electric wire having the above-described configuration is a known art idea. However, in the present invention, the most important feature is that the fixed terminal 40 and the rotating terminal 30 are located inside the sealed space 24 so that even if sparks are generated due to the contact of the terminals, the contact with the leaked gas may occur. It is to be blocked so that explosion accidents can be prevented in advance.

That is, the sealed space portion 24 is formed inside the drum 20, and the partition wall 20a is formed inside the drum 20 in order to more effectively seal the space portion 24. It is.

Inside the space portion 24 is equipped with a rotary terminal 30 is a negative, positive (-) (+), the rotary terminal 30 is connected to the wire (2) wound on the drum 20 have.

A bolt pipe 32 fixed to the casing 31 of the rotary terminal 30 is screwed into the hole drilled in the drum 20 to be sealed with a packing 32a, and a cap for tightening the bolt pipe 32. (33) is screwed and comprised so that the electric wire 2 inserted in the bolt pipe 32 can be sealed.

The rotating shaft 23 is fixed to the guide plate 22 fixed to the other side of the drum 20, the rotating shaft 23 protrudes through the other supporting plate 12 of the case 10, and the rotating shaft 23. At the other end, the rotating plate 26 having the lever 26a is coupled to rotate the drum 20.

The rotary shaft 23 is coupled to the shaft hole drilled in the other support plate 12 of the case 10 is supported by the sliding bearing (12a) of the bushing type to be stably rotated.

The rotating shaft 23 is composed of a hollow tube of the other side is opened, the storage space 23a formed in the inside of the hollow tube is configured to easily store the plug 62 coupled to the end of the wire (2) have.

A shaft hole 21a is drilled in the guide plate 21 fixed to one side of the drum 20, and a cylindrical bushing 50 fixed to the support plate 11 of one side of the case 10 is pushed in the shaft hole 21a. ) Is tightly inserted.

Concentric guide grooves 21b are continuously formed at the periphery of the shaft hole 21a, and concentric guides 50a are formed at the periphery of the bushing 50.

The guide grooves 21b formed at the periphery of the shaft hole 21a are closely coupled to the concentric guides 50a protruding from the periphery of the bushing 50 to effectively seal the space 24. .

Inside the bushing 50, fixed terminals 40 having a negative and positive pole (-) (+) are inserted therethrough, and the fixed terminals 40 are coupled in multiple stages to form cylindrical shapes having different diameters. An insulator 41 is sandwiched between the cylindrical fixed terminals 40.

The fixed terminal 40 is configured to be in close contact with the rotary terminals 30 so that the fixed terminal 40 and the power supply can be connected even when the rotary terminal 30 is rotated.

A cover 60 is covered on an outer side of the support plate 11 of the case 10, and outlets 61 are mounted on an outer surface of the cover 60 and connected to each other by a fixed terminal 40 and an electric wire.

Since the cover 60 is formed at one side of the case 10, that is, the inside of the cover 60, a sealed auxiliary space 60a is formed to double seal the space 24 on which the terminals are mounted. It is configured to enhance the effect even more.

The present invention made of the above-described configuration, the interior of the space portion 24 is a sealing material by the bushing 50 and the partition wall 20a, the cap 33 is coupled to the bolt pipe 32 to achieve a perfect sealed state Therefore, even if sparks are generated while the rotary terminals 30 are in contact with the fixed terminals 40 in the sealed space 24, the sparks of sparks may be generated inside the space 24 which is blocked from the outside air. It will be extinguished to prevent the gas explosion accident.

In addition, the explosion-proof reel (1) of the present invention that the outlet 61 is stopped even if the drum 20 is rotated is very convenient to use, as well as to maximize the efficiency of the power connection work as well as gas around There is a risk of leakage or can be performed in a very safe operation, such as a company that manufactures gas, there is an advantage such as to increase the external competitiveness of the reel (1) for electric wire winding as possible.

On the other hand, the brackets 70 fixed to the upper sides of the case 10, respectively, the handle tube 71 is mounted in parallel to the worker is configured to be easily lifted from both sides to move.

In addition, a handle bar 71a is inserted into the other side of the handle tube 71 to be fixed by a tightening bolt 72 fastened through the handle tube 71, and the handle bar 71a is fixed to the inside of the handle tube 71. Is fixed in the inserted or withdrawn state is configured to adjust the overall length, the lower one side of the case 10 is equipped with a wheel (73).

Therefore, the handle tube 71 is fixed with a fastening bolt 72 in a state where the handle bar 71a is pulled out of the handle tube 71 to form the length of the overall handle tube 71 long, and then hold the handle bar 71a to hold the wheel 73. By using the worker can be transported by dragging the reel alone is a very convenient transport of the heavy chain reel (1).

In some cases, an access hole 24a is formed in the drum 20, and the opening and closing door 25 is coupled to the access hole 24a to be fixed by a screw 25b, and the opening and closing door 25 is formed by a packing 25a. It may be configured to be sealed to seal the inside of the space 24. At this time, by opening the opening and closing door 25 by unscrewing the screw (25b) it is possible to facilitate the repair and replacement of the terminals mounted in the space (24).

Although the preferred embodiments of the present invention have been illustrated and described above, the present invention is not limited to the above-described embodiments, and the present invention is not limited to the above-described embodiments without departing from the spirit of the present invention as claimed in the claims. Various modifications can be made by those skilled in the art, and such modifications are intended to fall within the scope of the appended claims.

According to the present invention as described above, the cap 33 coupled to the bushing 50, the partition wall 20a, and the bolt pipe 32, the interior of the space 24 formed in the drum 20, is a sealing material. Since the air is completely sealed by the air conditioner, even if a spark occurs due to the contact of the terminals in the closed space part 24, the spark is extinguished in the inside of the space part 24 which is blocked from the outside air and the explosion of gas occurs. Not only can the accident be prevented in advance, but even when the drum 20 is rotated, the outlet 61 is in a stationary state, and thus its use is very convenient, so that the efficiency of power connection work can be maximized, and gas leaks around. As there is a concern or can perform a very safe operation in a company that manufactures gas, there is an advantage such as to maximize the external competitiveness of the reel (1) for electric wire winding.

Claims (4)

Inside the case 10 having the entrance and exit 10a formed therein, the drum 20 wound with the wires 2 is mounted and rotated, and the rotary terminal 30 mounted on the drum 20 is mounted on the case 10. The fixed terminal 40 is rotated in close contact with the fixed terminal 40, and the fixed terminal 40 is connected to the outlet 61 mounted on one side of the case 10, so that the outlet 61 is fixed even when the drum 20 is rotated. In the reel (1) A sealed space 24 is formed inside the drum 20 so that the rotary terminals 30 of negative and positive (-) (+) connected to the wires 2 are mounted inside the space 24. , The rotating shaft 23 mounted on the other guide plate 22 of the drum 20 passes through the other supporting plate 12 of the case 10 and is coupled with the rotating plate 26 having the lever 26a. A cylindrical bushing 50 fixed to one support plate 11 of the case 10 is closely inserted into the shaft hole 21a drilled in the guide plate 21 of the drum 20, Concentric guide grooves 21b are formed at the periphery of the shaft hole 21a so that the concentric guides 50a formed at the periphery of the bushing 50 are tightly coupled to seal the space 24. Inside the bushing 50, fixed terminals 40 of the negative and positive (-) (+) terminals, which are insulated in multiple stages, are inserted thereinto contact with the rotating terminals 30 of the negative and positive terminals, respectively. Become, Cover 60 is covered on one side of the support plate 11 of the case 10, the outlet 61 is mounted to the wire winding reel of explosion-proof structure, characterized in that connected to the fixed terminal 40 and the electric wire. The method of claim 1, A bolt pipe 32 fixed to the casing 31 of the rotary terminal 30 is screwed into the hole drilled in the drum 20 and sealed with a packing 32a, and a cap for tightening the bolt pipe 32 ( 33) A wire-winding reel of explosion-proof structure, characterized in that it is configured to be screwed to seal the wire (2) inserted into the bolt pipe (32). The method of claim 1, The rotating shaft 23 is composed of a hollow tube of the other side is opened, the storage space 23a formed in the inside of the hollow tube is configured to easily store the plug 62 coupled to the end of the wire (2) , The drum 20 has an access hole 24a formed therein, and the opening and closing door 25 is coupled to the access hole 24a to be fixed by a screw 25b, and the opening and closing door 25 is sealed by a packing 25a. Reel for electric wire winding of explosion-proof structure characterized by the above-mentioned. The method of claim 1, Handle brackets 71 are mounted to the brackets 70 fixed to both upper sides of the case 10 in parallel, and the handle rod 71a is inserted into the handle tube 71 at the other side of the handle tube 71. It is fixed with a fastening bolt 72 fastened through), the lower side of the case 10, the wheel winding reel for explosion-proof structure, characterized in that the wheel 73 is mounted.

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