JPH1095572A - Method for assembling cord winding device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To dispense with a process to wind an electric cord around a reel in assembling a cord winding device. SOLUTION: When a cord winding device is assembled, an electric cord shaping body 45 in a condition where an electric cord 15 is pre-wound and shaped annular form is prepared. After one end part 15a of the electric cord 15 is connected to a receptacle, the electric cord shaping body 45 is fitted to an outer circumferential part of an intermediate cylinder 22 of a reel, and a fixed member 38 mounted on one end part 15a of the electric cord 15 is fitted to a notched part 39 in the intermediate cylinder 22. Then, the receptacle is fitted to a receptacle fitting part on a face disk 24 side in the intermediate cylinder 22, and a back disk is fitted on the intermediate cylinder 22 to assemble the reel, and the reel is fitted to a support shaft of a supporting body.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of assembling a cord winding device in which an electric cord is wound around a reel rotatably mounted on a support.

[0002]

FIG. 10 shows an example of a conventional structure of a cord winding device used when an electric tool or the like is used at a place away from a power outlet installed in a building, for example. A reel 3 is rotatably mounted on a support shaft 2 of a support 1, and an electric cord 5 is wound around an outer peripheral portion of a cylindrical portion 4 of the reel 3, and one end 5a of the electric cord 5 is connected to the cylindrical portion. 4, the front disk 3 of the reel 3
a connected to the outlet 6 attached to
It is configured to be fixed in a retaining state by a fixing member 7 screwed to the cylindrical portion 4. An insertion plug (not shown) is provided at a distal end on the other end side of the electric cord 5. The reel 3 has a cylindrical portion 4 and a front disk 3a.
And the back disk 3 b are connected via a plurality of stud bolts 8.

[0003] By the way, when assembling a cord winding device having such a configuration, conventionally, it has been performed in the following order. First, a two-part fixing member 7 is temporarily fixed to the cylindrical portion 4 of the reel 3 with a screw 7 a, and one end 5 a of the electric cord 5 is moved so that the front end side protrudes inside the cylindrical portion 4. The one end portion 5a of the electric cord 5 is fixed to the tubular portion 4 in a state where it is prevented from being pulled out by inserting the fixing member 7 from the outside of the tubular portion 4 into the fixing member 7 and fully fastening the screw 7a of the fixing member 7 in this state.

[0004] Next, an outlet 6 is screwed into the front disk 3a.
a, and the outlet 6 is electrically connected to one end 5a of the electric cord 5 protruding inward of the cylindrical portion 4. Thereafter, the cylindrical portion 4, the front disk 3a, and the back disk 3b are connected via a plurality of stud bolts 8, and the reel 3
Assemble. Then, the reel 3 is set on a machine for winding a cord, and the electric cord 5 is wound around the reel 3 by rotating the reel 3.

Next, the reel 3 is mounted on the support shaft 2 of the support 1 and a ring nut 9 is fastened to the tip of the support shaft 2 to prevent the reel 3 from being removed. This allows
The assembly of the cord winding device is completed.

[0006] However, in the case of the conventional assembling method, a step of winding the electric cord 5 around the reel 3 is required, and accordingly, there is a problem that the number of assembling steps is increased and the cost is increased.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has as its object to eliminate the need to perform a step of winding an electric cord around a reel, thereby reducing the cost. To provide an assembling method.

[0008]

According to a first aspect of the present invention, to achieve the above object, a reel is rotatably mounted on a support, and an electric cord is wound around an outer peripheral portion of a cylindrical portion of the reel. And, when assembling a cord winding device having a configuration in which one end of the electric cord is connected to an electrical component in the tubular portion and is fixed in the tubular portion in a retaining state, the electric cord is wound in advance. An electric code shaping body in a state of being turned into an annular shape is provided, and the electric cord is wound around the reel by fitting the electric code shaping body to an outer peripheral portion of a cylindrical portion of the reel. It is assumed that.

According to the above-described means, the electric cord can be wound around the reel by fitting the electric cord shaping body to the cylindrical portion of the reel, so that there is no need to perform the step of winding the electric cord around the reel.

In this case, a fixing member for holding the one end portion in a retaining state is attached to one end of the electric cord in the electric cord shaping body, and the fixing member is attached to the cylindrical portion to be fixed by fitting. Is preferred.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS. First, in FIGS. 7 to 9 showing the overall configuration, the cord winding device 11
It is mainly composed of a support 13 having a support shaft 12, a reel 14 rotatably mounted on the outer periphery of the support shaft 12, and an electric cord 15 wound around the reel 14.

The support 13 is formed by welding a first pipe member 16 and a second pipe member 17 each having a circular cross section and made of metal. The first pipe member 16 includes two parallel legs 18,
18 and an inverted V-shaped rising portion 19 provided at a rear portion between the two legs 18, 18. The second pipe member 17 includes a support shaft 12 for supporting the reel 14 and a handle 20 parallel to the support shaft 12.
And a connecting portion 2 connecting the support shaft 12 and the handle portion 20.
1 as a whole and have a U-shape as a whole.

In this case, the spindle 1 of the second pipe member 17
2 is passed through the lower portion of the upper portion 19a of the rising portion 19 of the first pipe member 16 from behind, and the support shaft 1 is
2 is welded to the upper end 19a of the rising portion 19, and the cylindrical support shaft 12 is supported by the support 13 in a cantilevered state with the rear end supported and in a horizontal state. Is provided.

The reel 14 has a middle cylinder 22 made of a synthetic resin constituting a cylinder portion, and a front disk 24 made of a metal plate and constituting an end plate portion attached to the front and rear of the middle cylinder 22 by screws 23. And a back disk 25. An outlet mounting portion 26 is provided integrally with a front portion of the middle cylinder 22, and four outlets 27 constituting electrical components are mounted on the outlet mounting portion 26.

Here, the mounting structure of the outlet 27 will be described with reference to FIGS. 2, 4 and 5. FIG. The four outlets 27 are unitized two by two into two outlet units 28. Each outlet unit 2
8, engaging claws 29 are formed at six locations on the outer peripheral portion. In the outlet mounting portion 26, engaging claws 30 are formed at positions corresponding to the engaging claws 29. An opening 31 is formed at a position corresponding to 27. As shown in FIGS. 4 and 5, each outlet unit 28 engages each engaging claw 29 with the corresponding engaging claw 30 from the back side of the outlet mounting portion 26, thereby forming the outlet mounting portion 26. Installed. At this time, each outlet 27 faces the front side of outlet mounting portion 26 from opening 31. In the outlet mounting portion 26, a portion corresponding to the engagement claw 30 is provided with a punching hole 3.
2 are formed.

A short cylindrical portion 33 projecting rearward is integrally provided at the center of the outlet mounting portion 26, and a short cylindrical portion 34 projecting forward is integrally formed at the center of the back disk 25. The reel 14 is rotatably supported on the support shaft 12 by relatively inserting the support shaft 12 into the short cylindrical portions 33 and 34 from behind. In this case, a circular protruding portion 35 is formed on the back disk 25 so as to protrude slightly rearward around the short cylindrical portion 34, and the rear surface of the protruding portion 35 corresponds to the rising portion 19 of the support 13. , The rearward position of the reel 14 is regulated.

At the distal end of the spindle 12, first and second retaining members 36 and 37 for retaining the reel 14 from the distal end side (forward) of the spindle 12 are attached. In this case, the cylindrical portion 36a of the first retaining member 36 is inserted into the support shaft 12, and thereafter, the insertion shaft portion 3 of the second retaining member 37 is inserted.
7a is press-fitted into the cylindrical portion 36a, so that the spindle 12
It is attached to the retaining state.

On the other hand, as shown in FIGS. 2 and 7, one end 15a on the inner peripheral side of the electric cord 15 wound around the reel 14 is connected to the middle cylinder 22 via a fixing member 38 having an arc shape. It is guided inward, and is electrically connected to the outlet unit 28, and eventually to each outlet 27, in the middle cylinder 22. A notch 39 is formed at the end of the middle cylinder 22 on the back disk 25 side as shown in FIG. 1, and a groove 40 is formed in a peripheral portion of the notch 39 as shown in FIGS. 2 and 3. Are formed. Then, the fixing member 38
Is fixedly attached to the middle cylinder 22 by inserting its peripheral edge into its groove 40 and fitting it into the notch 39, and attaching the back disc 25 to the middle cylinder 22.

The fixing member 38 is made of synthetic resin and has three cord insertion holes 41, 42 and 43 formed therein, and one end 15a of the electric cord 15 is connected to the code insertion holes 41 and 42. , 43 so as to be bent in an S-shape, so that the fixing member 38 is held in a retaining state. Of the three cord insertion holes 41, 42, and 43, the central code insertion hole 42 is constituted by a circular hole whose periphery is closed, and the two code insertion holes 41 and 43 on both sides are Is open and has a C-shape. An insertion plug 44 (see FIGS. 8 and 9) is provided at the other end of the electric cord 15.

Here, the electric cord 15 is supplied from a manufacturer of the electric cord in a state of an electric cord shaping body 45 shown in FIG. The electric cord shaping body 45 is wound around the electric cord 15 and shaped into an annular shape of a predetermined size. The above-described fixing member 38 is attached to one end 15a of the electric cord 15.
The one end 15a of the electric cord 15 is held in a bent state.

A knob 47 for rotating the reel 14 is attached to the outer periphery of the front surface of the front disk 24.
Caps 48 are attached to both legs 18, 18 of the support 13 and the tip of the handle 20, and a cord stopper 49 is attached to the electric cord 15 near the insertion plug 44 in FIGS. 8 and 9. ing.

Next, the cord winding device 11 having the above-described configuration will be described.
Will be described. (1) A cap 48 is attached to both legs 18, 18 of the support 13 and the tip of the handle 20. In addition, table disk 24
Attach the knob 47 to. (2) A front disk 24 is attached to the middle cylinder 22 with screws 23, and as shown in FIG.
Are arranged such that the notch 39 is on the upper side.

(3) One end 15a of the electric cord 15 in the electric cord shaping body 45 and each outlet unit 2
8. Then, the respective outlets 27 are electrically connected (see the connection state in FIG. 2). In this state, each outlet unit 28 is not mounted on the outlet mounting portion 26.

(4) Then, as shown in FIG. 1, the electric cord shaping body 45 is fitted to the outer peripheral portion of the middle cylinder 22, and the fixing member 38 attached to the one end 15a of the electric cord 15 is Groove 40 of notch 39 in middle cylinder 22
And is fitted to the middle cylinder 22 by fitting.
Further, each outlet unit 28 is inserted into the middle cylinder 22, and each engaging claw 29 on the outlet unit 28 side is engaged with each engaging claw 30 on the outlet mounting portion 26 side, so that each outlet 27 is attached to the outlet. Attach it to the part 26 (see FIG. 2).

(5) After confirming the wiring, the back disk 2
5 is mounted and attached with screws 23. Thereby, the assembly of the reel 14 is completed, and the electric cord 15 is wound around the reel 14. (6) The support shaft 12 of the support 13 is relatively inserted into the short cylindrical portions 334 and 33 behind and in front of the reel 14 assembled in the above (5). The first and second retaining members 36 and 37 are attached. As a result, the reel 14 is rotatably supported by the support shaft 12 and is prevented from being pulled out.

(7) Thereafter, a cord stopper 49 is fitted to the electric cord 15 near the insertion plug 44, and
Although not shown, a model label and a caution label are attached. Thereby, the assembly of the cord winding device 11 is completed. In addition, the string 46 of the electric cord shaping body 45 is not cut,
The electric cord 15 is kept in a bundled state, and is packed in a box and shipped in this state. Note that the string 46 of the electric cord shaping body 45 is cut on the user side.

According to the above-described embodiment, when assembling the cord winding device 11, the electric cord shaping body 45 in which the electric cord 15 is previously formed into an annular shape is attached to the outer peripheral portion of the middle cylinder 22 of the reel 14. Since the electric cord 15 is wound around the reel 14 by being fitted, it is not necessary to perform a step of winding the electric cord 15 around the reel 14. Therefore, the number of steps can be reduced as compared with the related art that requires the step of winding the electric cord 15 around the reel 14, and the cost can be reduced accordingly.

Also, a fixing member 38 is attached to the one end 15a of the electric cord 15 in advance on the electric cord shaping body 45, and the fixing member 38 is fitted and attached to the notch 39 of the middle cylinder 22 to be attached. Since the one end 15a of the electric cord 15 is fixed to the middle cylinder 22 in a retaining state, the one end 15a of the electric cord 15 is inserted into the code insertion holes 41, 42, 43 of the fixing member 38 during assembly. There is no need to connect one end 15a of the electric cord 15 to the middle cylinder 2
2 can be easily fixed. Furthermore, in this case, since there is no need for screwing, unlike the conventional case, the screw can be made unnecessary, and the screw tightening work can be made unnecessary, and the work can be performed more easily.

The present invention is not limited to the above embodiment, but can be modified or expanded as follows. The connection between the one end 15a of the electric cord 15 and the outlet 27 may be performed, for example, after the electric cord shaping body 45 is fitted to the middle cylinder 22. The fixing of the fixing member 38 to the middle cylinder 22 is performed by attaching the electric cord shaping body 45 to the middle cylinder 22.
It may be performed before fitting to.

The present invention is also applied to assembling a so-called reverse-distribution-type cord winding device in which there is no outlet on the reel side and an outlet is provided at the end of the electric cord wound on the reel. be able to. In this case, the base end, which is one end of the electric cord wound around the reel, is electrically connected to the current collector, which is an electrical component, in the middle cylinder of the reel.

[0031]

According to the assembling method of the first aspect, it is not necessary to perform the step of winding the electric cord around the reel, so that the number of steps can be reduced as compared with the conventional method, and the cost can be reduced accordingly. Will be possible.

According to the assembling method of the second aspect, the fixing member attached to one end of the electric cord is attached in a fixed state by fitting to the cylinder of the reel. The operation for fixing the lock in the retaining state can be easily performed. Also, since there is no need to screw,
Screws can be dispensed with, and screw tightening work can be dispensed with.

[Brief description of the drawings]

FIG. 1 shows an embodiment of the present invention, and is a longitudinal side view in a state where an electric cord shaping body is fitted to a middle cylinder of a reel.

FIG. 2 is a sectional view taken along the line II-II in FIG.

FIG. 3 is a plan view of a cutout portion.

FIG. 4 is a longitudinal sectional side view showing a state before an outlet is attached to an outlet mounting portion.

FIG. 5 is a longitudinal sectional side view showing a state where an outlet is attached to an outlet mounting portion.

FIG. 6 is a perspective view of an electric cord shaping body.

FIG. 7 is an overall vertical side view.

FIG. 8 is a perspective view from the front.

FIG. 9 is a perspective view from the rear.

FIG. 10 is a cutaway side view showing a conventional configuration.

[Explanation of symbols]

11 is a cord winding device, 13 is a support, 14 is a reel,
15 is an electric cord, 15a is one end, 22 is a middle cylinder (cylindrical part), 27 is an outlet (electrical component), 38 is a fixing member,
45 is an electric cord shaping body, and 46 is a string.

Claims (2)

[Claims] 1. A reel is rotatably mounted on a support, an electric cord is wound around an outer peripheral portion of a tubular portion of the reel, and one end of the electric cord is connected to an electric component in the tubular portion. In addition, when assembling a cord winding device having a configuration in which the electric cord is wound in a tubular portion, the electric cord shaping device is provided with an electric cord shaping member in a state where the electric cord is wound in advance and shaped into an annular shape. The electric cord is wound around the reel by fitting the electric cord to the outer peripheral portion of the cylindrical portion of the reel. 2. A fixing member for holding an end of the electric cord in an electric cord shaping body in a retaining state, and the fixing member is fitted to a cylindrical portion to be fixed in a fixed state. The method for assembling a cord winding device according to claim 1, wherein: