JPH07303324A - Electric cord winding device - Google Patents

Abstract

PURPOSE:To provide an electric cord winding device which can surely wind an electric cord in order around a reel drum, does not fall down at the time of drawing out the electric cord from the reel drum, and does not become a hindrance to work or walking of workers, because the device does not catch the feet of workers. CONSTITUTION:The pivot 8 of a reel drum 12 is horizontally fitted to the back plate section of a housing box having a cord passing port 4 formed through its side plate section 3 in the forward-backward direction in a cantilever-like state and a reel drum 12 is pivoted by the pivot that the drum 12 can be loosely rotated and an electric cord wound around the drum 12 can be drawn out through the port 4.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric cord winding device used at a construction site or the like.

[0002]

2. Description of the Related Art Generally, at a construction site or the like, a power source is used when the location of use of an electric machine tool such as an electric tool or lighting is far from the power source and the electric cord attached to the electric machine instrument does not reach the power source. An electric cord winding device called a cord reel provided with an electric cord for relaying an electric cord and an electric machine is used.

In such a conventional electric cord winding device, a winding body of an electric cord having a plurality of outlets arranged on its front end face is allowed to freely rotate on a support shaft horizontally mounted on a simple pipe frame. The electric cord wound around the winding drum is pulled out to a required length and its tip is connected to a power source, while the electrical machine is connected to the outlet of the winding drum connected to the base end of the electric cord. By connecting the electrical cord of the instrument,
It is provided so that the power supply to the electric machine device can be relayed.

[0004]

By the way, in the electric cord winding device having such a conventional structure, the standing posture is maintained by the two supporting legs made of pipes arranged in the lower portion of the frame. However, since the supporting leg is easily bent due to the impact of a drop or the like, and a handle for rotating operation is provided at one end of the winding drum, the supporting shaft of the winding drum is horizontally supported in a cantilever manner with respect to the frame. As a result, the center of gravity is biased and the balance of the entire device is poor, which causes a drawback that the device is unstable and easily falls when the electric cord is pulled out. In addition, the winding drum has circular side plates at both ends, but when winding the pulled out electric cord, the electric cord easily gets over the side plate and comes off easily. An electric cord is wrapped around the spindle,
Its workability is poor. Furthermore, since the electric cord wound around the winding drum is easy to loosen, there is a problem that it is not well organized and there is a problem such as hooking a foot.Because it is used on the ground, it itself takes a place,
There are problems such as hindering work and walking. The present invention is
An object of the present invention is to provide an electric cord winding device that can solve the above-mentioned conventional problems.

[0005]

SUMMARY OF THE INVENTION According to the present invention, a storage box is formed in the shape of a rectangular housing, and a side plate portion thereof has a cord insertion opening, and one end is fixed to a back plate portion of the storage box. A support shaft extending in a cantilever shape along the front-rear direction in a substantially central portion of the box, a cylindrical winding portion that winds an electric cord extending outside from the cord insertion opening, and the winding portion. A pair of bearing plates arranged at both front and rear ends of the section,
On the bearing plate on the front side facing the opening formed in the front plate portion of the storage box, a plurality of outlets connected to the electric cord and a handle for rotation operation are arranged, and the pair of bearing plates are provided. It is characterized in that it comprises a reel drum rotatably supported by the support shaft and a handle arranged on the top plate of the storage box.

In this structure, the handle has a board portion slidably and rotatably attached to the top plate portion of the storage box, and a handle portion provided on the upper portion of the board portion at a predetermined interval. , A hook portion formed at one end of the handle portion, and the hook portion is provided so as to be able to project to the rear side of the storage box by sliding and rotating the substrate portion, or to the bearing plate on the rear side. A radio receiver connected to an electric cord may be mounted and housed in a reel drum, and the operation part of the radio receiver may be exposed to an operation port formed on the opposite surface of the back plate of the storage box. Good.

[0007]

[Operation] When the tip of the electric cord is pulled, the reel drum rotates, and the electric cord can be pulled out to the required length from the cord insertion opening of the storage box. However, the storage box is formed in a rectangular housing shape, and the lower surface Is flat, so stability is good and the winding device does not fall when the electric cord is pulled out. Then, when the tip of the electric cord is connected to a power source, the outlet of the reel drum is energized, and the outlet can be used as a power source of the electromechanical device. In such a usage state, even if the remaining electric cord wound around the winding portion of the reel drum is loosened, it stays in the storage box and does not go outside, so that it is well organized and there is no risk of getting caught on the foot. Also, since the electric cord is wound around the reel drum stored in the storage box,
At the time of winding the pulled-out electric cord, the electric cord does not drop off from the reel drum and can be reliably wound.

Further, when the handle provided with the hook portion is slidably and rotatably provided so that the hook portion can be projected to the rear side of the storage box, the storage box is grounded by the hook portion. Since it can be hung at a high place, it does not take up space and does not interfere with work or walking.

Further, the radio receiver connected to the electric cord is housed in the reel drum, and the operation part of the radio receiver is made to face the operation port formed on the opposite surface of the back plate of the storage box. In that case, you can listen to the radio broadcast as needed.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be described with reference to the accompanying drawings.

A storage box 2 forming an outer shell of the electric cord winding device 1 according to the present invention is formed in a rectangular casing shape, and a cord insertion port 4 is formed in one side plate portion 3 of the side plate portions 3 on both the left and right sides thereof. Is opened. A guide roller 6 of an electric cord 5, which will be described later, is rotatably supported inside the lower edge of the cord insertion port 4.

In the storage box 2, one end of a support shaft 8 is fixed to a back plate portion 7 of the storage box 2 through a reinforcing plate 9. The support shaft 8 is provided in a substantially central portion of the storage box 2 in the front-back direction. Along the side of the cantilever.

A reel drum 12 is rotatably supported on the support shaft 8 in a freely rotatable manner. That is, the reel drum 12 is fixed to the cylindrical winding portion 10 for winding the electric cord 5 extending from the cord insertion opening 4 and a plurality of bolts 41 at the front and rear ends of the winding portion 10. A pair of bearing plates 11a, 11b are provided, and the support shaft 8 is inserted into bearing holes 12a, 12b formed at the centers of the bearing plates 11a, 11b, respectively, and a retaining cap 13 is screwed to the projecting end thereof. By doing so, the support shaft 8 is mounted so as to be freely rotatable.

A plurality of outlets 16 connected in parallel to the base end of the electric cord 5 are provided on the bearing plate 11a on the front side facing the opening 15 formed in the front plate portion 14 of the storage box 2. A handle 17 for rotatably operating the reel drum 12 is provided in addition to being disposed forward. Further, the handle 17 has a base portion 17a pivotally connected to the bearing plate 11a so as to be foldable. When not in use, the handle portion 17 is folded and the knob portion 17b is fitted into the retaining cap 13. Aperture 13 '
It is provided so that it can be inserted into.

The electric cord 5 is formed in a predetermined long dimension of about 30 meters, and a plug 18 for connecting to a power source is attached to the tip thereof. Further, the base end of the electric cord 5 is inserted into the reel drum 12 through the through hole 19 opened in the winding portion 10 of the reel drum 12, and the vicinity of the base end is fixed to the winding portion 10 by the fixture 20. It is fixed, and the electric cord 5 can be wound around the winding unit 10 by rotating the reel drum 12.

A radio receiver 22 connected to the base end of the electric cord 12 via a transformer adapter 21 is housed in the reel drum 12. The radio receiver 22
Is mounted on a bearing plate 11b on the rear side, and the radio receiver 2
An operation unit 23 including two power switches S, a tuning dial T, a volume dial B, and the like is disposed so as to face an operation port 24 formed on the opposite surface of the back plate 7 of the storage box 2. In addition, the bearing plate 11b has a large number of small holes 25.
A sound passage portion 26 is formed by facing the operation port 24.

A handle 28 is provided on the top plate portion 27 of the storage box 2 at a position corresponding to the center of gravity of the electric cord winding device 1. The handle 28 includes a base plate portion 29 attached to the top plate portion 27, a grip portion 30 provided on the top of the base plate portion 29 at a predetermined interval, and a hook connected to one end of the grip portion 30. And the substrate portion 2
The board portion 29 slides with respect to the top plate portion 27 by inserting the screw rod 33 projecting upward from the top plate portion 27 into the elongated hole 32 formed in 9 and fixing the nut 34 to the protruding end thereof. And rotatably mounted. Then, the handle 28 is moved by sliding and rotating the substrate portion 29.
It is displaceably provided in two positions, a normal mounting position corresponding to the center of gravity of the electric cord winding device 1 and a position where the hook portion 31 projects to the back side of the storage box 2. Also,
Positioning members 35a and 35b that engage with the base plate portion 29 of the handle 28 and hold the two positions are provided on the top plate portion 27, respectively. Further, a simple pencil sharpener 42 is attached to the inside of the handle 28 at a position where it does not get in the way. The pencil sharpener 42 is convenient because it can be used as needed.

At the lower edges of the left and right side plates 3 and 3 of the storage box 2, a vertical edge 36a and a horizontal edge 36b are formed to have an L-shaped cross section, and each vertical edge 36a has a plurality of locking members each having a substantially inverted T shape. Cord fixing member 3 having grooves 37 formed at regular intervals
8, 38 are provided respectively. The cord stopper members 38, 3
8 is made of synthetic resin so as to prevent the surface coating of the electric cord 5 from being damaged at the time of engagement / disengagement, and is fixed by fixing bolts 40 of the supporting legs 39 respectively arranged at the four corners of the bottom surface of the storage box 2. The horizontal edges 36b, 36b are attached to the storage box 2. This cord stopping member 38, 38
Each of the engagement grooves 37 of the
By engaging the electric cord of the electric machine tool to be used by inserting the plug into the plug, it is possible to prevent the plug from being accidentally pulled out. The supporting leg 39
Is made of rubber, so that it has a non-slip effect. In addition, the drainage holes 4 are provided at the four corners of the bottom of the storage box 2.
3 is provided so that if rainwater or the like enters the storage box 2, it can be drained to the outside through the drain hole 43.

In such a structure, when the tip of the electric cord 5 stored in the storage box 2 is pulled, the reel drum 12 rotates, and the electric cord 5 can be pulled out to the required length from the cord insertion port 4. At this time, since the storage box 2 is formed in a rectangular housing shape and the lower surface is flat, stability is good, and the winding device 1 can be prevented from falling when the electric cord 5 is pulled out. By connecting the plug 18 at the tip of the electric cord 5 to a power source, a plurality of outlets 1 arranged on the reel drum 12 are connected.
6 is energized, and power can be supplied to the electric machine device by connecting the plug of the electric machine device to the outlet 16.

When the electric cord 5 drawn out as described above is rewound, the bearing plate 1 of the reel drum 12 is rewound.
The electric cord 5 can be sequentially wound around the winding unit 10 by raising the handle 17 disposed on the la 1a and holding the knob 17b of the handle 17 to rotate the reel drum 12 in the rewinding direction. At this time, due to the guiding action of the back plate portion 7 and the front plate portion 14 of the storage box 2, the electric cord 5 can be reliably wound around the winding portion 10 without derailing. After this rewinding operation is completed, the handle 17 is folded and its knob portion 17b is
When the electric cord winding device 1 is transported, the knob portion 17b is fitted into the fitting hole 13 'of the retaining cap 13 when it is carried.
It is possible to prevent a problem that the hook is caught on another object or the handle 17 is damaged.

On the other hand, the handle 28 is used for carrying the electric cord winding device 1 at a normal mounting position corresponding to the center of gravity of the electric cord winding device 1 as shown in FIG. As shown in FIG. 6B, the handle 28 is slid along the elongated hole 32 of the base plate portion 29 to the other hole end, and then, as shown in FIG. 6C, the screw rod 33 is used as a fulcrum. By rotating to the back side of the storage box 2, the hook portion 31 is in a state of protruding to the back side of the storage box 2. In addition, the rotation of the handle 28 causes the substrate portion 29 to move.
Is automatically engaged with the positioning member 35b, and its position is maintained.

In this way, in the state where the hook portion 31 is projected to the back side of the storage box 2, as shown in FIG.
As shown in (d), by engaging the hook portion 31 with an appropriate horizontal rod x or the like located at a high position from the ground, the electric cord winding device 1 can be suspended in a place where it does not interfere. .

In order to return the handle 28 to the normal mounting position, the handle 28 may be rotated and slid in the opposite direction in the reverse order of the above.

[0024]

As described above, according to the present invention, the spindle of the reel drum is cantilevered horizontally along the front-rear direction on the back plate portion of the storage box having the cord insertion opening on the side plate portion. Since the electric cord wound around the reel drum rotatably supported by the support shaft is extended to the outside from the cord insertion port, the remaining portion wound around the winding portion of the reel drum is Even if the electric cord is loosened, it stays inside the storage box and does not go outside, so it is well organized and there is no danger of getting caught.

Further, since the storage box is formed in the shape of a rectangular housing and the lower surface is flat, the stability is good and the winding device does not fall when the electric cord is pulled out. In addition, since the storage box is in the shape of a rectangular housing as described above, it has robustness that does not easily deform due to the impact of a fall, etc., and in combination with the stability described above, effectively prevents the winding device from falling over. You can Further, since the reel drum is stored in the storage box, the electric cord can be reliably wound without dropping when the electric cord is wound, and the workability thereof is extremely good.

On the other hand, a handle provided with a hook portion is provided so as to be slidable and rotatable, and the hook portion is provided so as to project to the back side of the storage box, so that the storage box is hung from the ground to a high place by the hook portion. Because it can be held, it does not take up space and does not interfere with work or walking.

Further, the radio receiver connected to the electric cord is housed in the reel drum, and the operation part of the radio receiver is provided so as to face the operation port formed on the opposite surface of the back plate of the storage box. Therefore, there is an excellent effect that it is not necessary to carry a radio receiver separately, and the radio broadcast can be easily heard.

[Brief description of drawings]

FIG. 1 is an external perspective view of an embodiment of an electric cord winding device according to the present invention.

FIG. 2 is a side sectional view of the above.

FIG. 3 is a vertical sectional front view of the same.

FIG. 4 is a rear view of the above.

FIG. 5 is a rear view of the reel drum.

6A to 6C are schematic plan views showing the operating state of the handle. (D) is a schematic side view showing an operating state of the handle.

[Explanation of symbols]

 1 Electric Cord Winding Device 2 Storage Box 3 Side Plate 4 Cord Insertion 5 Electric Cord 6 Guide Roller 7 Back Plate 8 Spindle 10 Winding 11a, 11b Bearing Plate 12 Reel Drum 14 Front Plate 15 Opening 16 Outlet 17 Handle 22 Radio Receiver 23 Operation Part 24 Operation Port 27 Top Plate Part 28 Handle 29 Board Part 30 Handle Part 31 Hook Part

Claims (3)

[Claims] 1. A storage box, which is formed in a rectangular housing shape and has a side plate portion with a cord insertion opening, and one end of which is fixed to a back plate portion of the storage box, and which is approximately in the center of the storage box. A support shaft that is horizontally cantilevered along the direction, a cylindrical winding portion that winds an electric cord that extends outside from the cord insertion opening, and a front and rear ends of the winding portion. A pair of bearing plates, and a plurality of outlets connected to the electric cord and a handle for rotating operation are arranged on the bearing plate on the front side facing the opening formed in the front plate of the storage box. An electric cord provided with a reel drum that is provided and is rotatably supported by the pair of bearing plates on the support shaft, and a handle arranged on a top plate portion of the storage box. Take-up device. 2. A substrate portion on which the handle is slidably and rotatably attached to a top plate portion of a storage box, a handle portion provided at an upper portion of the substrate portion at a predetermined interval, and the handle portion. 2. A hook portion formed on one end of the storage box, wherein the hook portion is provided so as to project to the back side of the storage box by sliding and rotating the substrate portion. Electric cord winding device. 3. A radio receiver connected to an electric cord is mounted on a bearing plate on the rear side and housed in a reel drum, and an operation part of the radio receiver is provided on a surface opposite to a back plate part of a storage box. The electric cord winding device according to claim 1, wherein the electric cord winding device faces the formed operation port.