JP2001019282A - Wire winding device - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To provide an electric wire winding device that prevents rattling and abnormal noise. SOLUTION: A lower electric wire winding section 16 and an upper electric wire winding section 1 are provided.
And a take-up roller 13 provided with a partition plate 15 therebetween.
Is rotatably housed in a casing 11, 14 having two electric wire lead-out portions 11 B, 11 C via a mainspring 12, and the partition plate 15 is wound around the lower electric wire take-up portion 16 of the take-up roller 13. An electric wire winding device in which the upper electric wire winding unit 17 winds the electric wire in the reverse direction to the winding direction of the lower electric wire winding unit 16 and derives it from the electric wire deriving unit 11C, and the electric wire is fixed by the electric wire extracting unit 11C. 10
, A flexible electric wire winding sheet 18 extending outward is provided on the peripheral surface of the upper electric wire winding section 17. The electric wire winding sheet 18 allows the upper electric wire winding section 1
When the wire is slackened in step 7, the wire can be held and rattling can be prevented at any time.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric wire winding device, and more particularly, to an electric wire winding device capable of drawing and drawing a flexible electric wire.

[0002]

2. Description of the Related Art Conventionally, as this kind of electric wire winding device,
There are those as shown in FIGS. The electric wire winding device 1 includes a casing 2 having a roller rotating shaft 2A protruding at the center, a spring 3 having an inner end 3A fixed to the roller rotating shaft 2A, a roller rotating shaft 2A and a spring 3 Is formed substantially on the lower surface and is composed of a take-up roller 5 housed in the casing 2 and a lid 6 closing the upper opening of the casing 2.

The outer end 3B of the mainspring 3 is
It is fixed to the inner peripheral surface of the recess 4. The winding roller 5 is separated from the lower electric wire winding section 5 by a partition plate 8 formed at an intermediate position.
A and an upper electric wire winding unit 5B are provided. The lower wire winding portion 5A has the concave portion 4 formed on the lower surface thereof, and one end of the guide band 7 is fixed to the outer peripheral surface. The upper electric wire winding portion 5B is set to have a smaller axial radius than the lower electric wire winding portion 5A. A notch 8 </ b> A for inserting an electric wire is formed on the periphery of the partition plate 8.

In order to wind and mount the electric wire W on such an electric wire winding device 1, a lower electric wire winding section 5 of the winding roller 5 is used.
A, the electric wire W is integrated with the guide band 7 having one end fixed to
, And the electric wire W is wound around the lower electric wire winding portion 5A together with the guide band 7. Next, the electric wire W is passed through the electric wire insertion notch 8A of the partition plate 8, and the upper electric wire winding portion 5B is wound a small number of times, for example, once. At this time, the electric wire W circling the upper electric wire winding portion 5B is wound along the vicinity of the inner peripheral surface of the casing 2. In this state, the winding roller 5 is stored in the casing 2. At this time, one end of the electric wire W is led out from one opening 2B of the casing 2 shown in FIG. 8, and the other end of the electric wire W is led out from the other opening 2C of the casing 2 and fixed to this opening 2C. I do. And finally,
After the take-up roller 5 is screwed so as to be rotatable, the cover 6
Is attached to the casing 2 so that the wire winding device 1
The installation of the electric wire to is completed.

In the conventional electric wire winding device 1 having such a configuration, the electric wire W cannot be pulled out from the opening 2C side of the casing 2, and the electric wire W is exclusively drawn out from the opening 2B side. That is, the electric wire W wound around the lower electric wire winding portion 5A is taken together with the guide band 7 into the opening 2B of the casing 2.
When pulled from one end, one end of the guide band 7 is
A, the wire W is set so that the wire W can be pulled out by a predetermined length wound around the lower wire winding portion 5A. In response to the operation of pulling out the electric wire W, the mainspring 3 is wound and contracted, and the rotation of the winding roller 5 is restricted when the electric wire W of a predetermined length is pulled out. Conversely, the upper wire winding section 5B performs the wire winding operation in synchronization with the operation of the lower wire winding section 5A.

[0006] Here, referring to FIG.
The winding state of the electric wire W at B will be described. FIG.
(A) has shown the state of the upper electric wire winding part 5B when the electric wire W is pulled out from the lower electric wire winding part 5A. At this time, the electric wire W is directly wound around the winding shaft of the upper electric wire winding section 5B. FIG. 10B shows a state of the upper electric wire winding portion 5B when the electric wire W is being wound back by the lower electric wire winding portion 5A by the biasing force of the mainspring 3. At this time, the electric wire W is arranged so as to circulate away from the winding shaft of the upper electric wire winding section 5B.

[0007]

However, in the conventional electric wire winding device 1, when the electric wire W is wound around the lower electric wire winding portion 5A, as shown in FIG. The electric wire W located at the upper electric wire winding portion 5B is in a loose state, and the electric wire W swings in the direction indicated by the arrow in FIG. There was a point. In addition, since the electric wire W hits the lid 6 and the partition plate 8 with this, there is a problem that the electric wire W is easily damaged.

Accordingly, the present invention has been made to solve the above-mentioned problems, and has as its object to provide an electric wire winding device capable of preventing the occurrence of rattling and abnormal noise. is there.

[0009]

According to the first aspect of the present invention,
A winding roller provided with a first wire winding portion and a second wire winding portion via a partition plate is rotatably housed in a casing having two wire leading portions via a rotation urging spring,
In a state in which the wire is wound around the first wire winding portion of the winding roller, one end of the wire is led out from one wire lead-out portion, and the other end of the wire is partitioned. The second wire winding portion is wound around the wire in the direction opposite to the wire winding direction of the first wire winding portion via a plate, and is wound out of the other wire outlet portion. In the electric wire winding device in which the electric wire is fixed at the electric wire lead-out portion, the outer peripheral surface of the first electric wire winding portion or the second electric wire winding portion is directed toward the outside of the electric wire winding portion. The present invention is characterized in that an extending wire winding sheet having flexibility is provided.

Therefore, according to the first aspect of the present invention, the electric wire winding sheet appropriately corrects the slack of the electric wire, applies a slight tension to the electric wire, and generates rattling around the electric wire winding portion. Can be prevented. For this reason, in the electric wire winding device, it is possible to prevent the electric wire from generating vibration and abnormal noise, and to improve the durability of the electric wire.

According to a second aspect of the present invention, there is provided the electric wire winding device according to the first aspect, wherein the electric wire is held at an intermediate portion of a free edge of the electric wire winding sheet toward the electric wire winding portion. A concave portion is formed.

Therefore, according to the second aspect of the present invention, in addition to the operation of the first aspect, the electric wire is held on the free edge of the electric wire winding sheet by the electric wire holding concave portion, and the electric wire is held according to the slack state of the electric wire. Thus, an appropriate winding radius can be obtained. For this reason, it can prevent that an electric wire deviates from an electric wire winding sheet.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The details of an electric wire winding device according to the present invention will be described below based on an embodiment shown in the drawings.

FIG. 1 is an exploded perspective view showing an embodiment of an electric wire winding device 10, FIG. 2 is a perspective view of a main part, and FIG. 3 is a perspective view showing a state where electric wires are assembled. The electric wire winding device 10 includes a casing 11 having a roller rotation shaft 11A protruding at the center.
And a spring (rotation biasing spring) 12 having an inner end 12A fixed to the roller rotation shaft 11A, and a circular recess (not shown) for accommodating the roller rotation shaft 11A and the spring 12 are formed on the lower surface. And casing 11
It is roughly constituted by a take-up roller 13 housed in the inside and a casing 14 as a lid for closing an upper opening of the casing 11. The outer end 12B of the above-mentioned mainspring 12 is fixed to the inner peripheral surface of a recess formed on the lower surface of the winding roller 13.

The winding roller 13 is separated from a lower wire winding section (first wire winding section) 16 and an upper wire winding section (second wire winding section) 17 with a partition plate 15 formed at an intermediate position therebetween. Are provided. As shown in FIG. 3, one end of the guide band 20 is fixed to the outer peripheral surface of the lower electric wire winding section 16. In addition, the upper electric wire winding portion 17 is set to have a smaller axial radius than the lower electric wire winding portion 16. A notch 1 for inserting an electric wire is provided at a peripheral portion of the partition plate 15.
5A is formed in one place.

Next, the upper wire winding section 1 of the winding roller 13
The configuration of the seventh side will be described. FIG. 2 shows the winding roller 13.
FIG. 2 is a perspective view showing a structure between a partition plate 15 and a casing 14. As shown in FIGS. 1 to 3, a plurality of (four) substantially rectangular wire winding sheets 18 having flexibility and resilience outward are provided on the upper wire winding portion 17. The winding units 17 are arranged at predetermined intervals along the circumferential direction. The electric wire winding sheet 18 is formed so as to be curved in a predetermined rotation direction as shown in the drawing.
In addition, a concave portion 18 </ b> A that is curved inward and is dented is formed at an intermediate portion of the free end edge of the electric wire winding sheet 18.

Here, a method for winding and mounting the electric wire W on the electric wire winding device 10 will be described. First, the electric wire W is integrally supported on the guide band 20 having one end fixed to the lower electric wire winding section 16 of the winding roller 13, and the electric wire W is transferred together with the guide band 20 to the lower electric wire winding section 16. Is wound a predetermined number of times. Next, the wire insertion notch 15 of the partition plate 15
A, passes the electric wire W to the upper electric wire take-up part 17 side, and puts the electric wire W on the electric wire take-up sheet 1 formed on the upper electric wire take-up part 17.
The number of turns is, for example, one and a half in this embodiment so as to fit in the concave portion 18A of the eight. In this state, the winding roller 13
Is stored in the casing 11. At this time, one end of the electric wire W is connected to one opening 11B of the casing 11 shown in FIG.
And the other end of the electric wire W is led out from the other opening 11C of the casing 11 and fixed to the opening 11C by the fixing plate 19. Then, finally, the take-up roller 13 is rotatably screwed, and then the casing 14 as a lid is attached to the casing 11, whereby the attachment of the electric wire to the electric wire winding device 10 is completed. At this time, the electric wire W circling the upper electric wire winding section 17 is
Is wound along the vicinity of the inner peripheral surface.

In such an electric wire winding device 10, as shown in FIG. 3, the electric wire W cannot be pulled out from the opening 11C side of the casing 11, and the electric wire W is exclusively drawn out from the opening 11B side. That is, when the electric wire W wound around the lower electric wire winding section 16 is pulled together with the guide band 20 from the opening 11B of the casing 11, the guide band 20
Is fixed to the lower electric wire take-up unit 16 so that the electric wire W can be pulled out by a predetermined length wound around the lower electric wire take-up unit 16. In response to the operation of pulling out the electric wire W, the mainspring 12 is wound and contracted, and the rotation of the winding roller 13 is restricted when the electric wire W of a predetermined length is pulled out. FIG. 6A shows a state before the electric wire W of the lower electric wire winding section 16 is pulled out.
6B shows a state in which the electric wire W has been pulled out from the lower electric wire winding section 16, and FIG. 6C shows a state in which the electric wire W has been pulled out from the lower electric wire winding section 16. In reverse, the upper wire winding unit 17 performs the wire winding operation in synchronization with the operation of the lower wire winding unit 16. FIG. 4 shows a state in which the electric wire W is wound around the electric wire winding sheet 18 of the upper electric wire winding section 17, and the electric wire winding sheet 18 is largely bent and the winding radius is short. At this time, the electric wire W is pulled out in the lower electric wire winding section 16. Also,
FIG. 7A shows a state of the upper electric wire winding unit 17 corresponding to a state where the electric wire W is not drawn out by the lower electric wire winding unit 16 (FIG. 6A). It is in a state that does not bend much. FIG. 7B shows a state in which the electric wire W is pulled out from the lower electric wire winding unit 16 (FIG. 6).
(B) shows a state of the upper electric wire winding unit 17 corresponding to (b)). Further, FIG. 7C shows a state of the upper electric wire winding unit 17 corresponding to a state where the electric wire W has been pulled out by the lower electric wire winding unit 16 (FIG. 6C). 18 is in a state of being completely in close contact with the upper electric wire winding portion 17.

When the electric wire W pulled out from the lower electric wire take-up portion 16 is to be taken up again, the electric wire W is set in a free state, and the winding is automatically performed by the biasing force of the mainspring 12. Along with this, the upper wire winding unit 1
In FIG. 7, the wire W wound up as shown in FIG. 4 is unwound, and moves outward and becomes slack as shown in FIG. 5 and FIG. 7 (a). In the present embodiment, since the electric wire winding sheet 18 is formed, as shown in FIG. 5, the electric wire winding sheet 18 also starts to rise as the electric wire W expands outward, and the electric wire winding sheet 18 and the electric wire W Are in contact with each other, and it is difficult to play.

In the present embodiment having such a configuration, the electric wire winding sheet 18 is provided to prevent rattling of the electric wire W without the electric wire winding device 10 in a state before the electric wire W is pulled out. Can be prevented. Thus, the state before the wire W is pulled out is the normal state of the wire winding device 10, and in the normal state, it is possible to effectively prevent rattling and prevent generation of abnormal noise and damage to the wire W. Can be suppressed.

In the method of assembling the electric wire W of the present embodiment, the upper electric wire winding portion 17 is opposite to the above-described method.
Side, the lower wire winding section 16
Of course, the electric wire W may be wound.

The embodiment has been described above.
In the present invention, various design changes accompanying the gist of the configuration are possible. For example, in the above-described embodiment, the mainspring spring is used as the rotation urging spring, but it is a matter of course that another spring such as a torsion coil spring or a spiral spring may be used.

[0023]

As is apparent from the above description, according to the first aspect of the present invention, the electric wire winding sheet appropriately corrects the slack of the electric wire, applies a slight tension to the electric wire, and applies the electric wire winding portion. It is possible to prevent rattling around the wire, prevent the wire winding device from generating vibrations and abnormal noise, and improve the durability of the wire.

According to the second aspect of the present invention, in addition to the effect of the first aspect, the electric wire is held on the free edge of the electric wire winding sheet by the electric wire holding concave portion, and the electric wire is slackened. The winding radius can be set appropriately according to the condition, and the wire is prevented from deviating from the wire winding sheet.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing an embodiment of a wire winding device according to the present invention.

FIG. 2 is a perspective view of a main part of the electric wire winding device according to the embodiment of the present invention.

FIG. 3 is a perspective view of the electric wire winding device according to the embodiment of the present invention.

FIG. 4 is a cross-sectional view showing a winding state of an upper wire winding section in the embodiment of the present invention.

FIG. 5 is a cross-sectional view showing a slack state of the electric wire in the upper electric wire winding section in the embodiment of the present invention.

FIGS. 6A to 6C are cross-sectional views illustrating respective states of a lower electric wire winding unit according to the embodiment of the present invention.

FIGS. 7A to 7C are cross-sectional views illustrating respective states of an upper electric wire winding unit according to the embodiment of the present invention.

FIG. 8 is an exploded perspective view of a conventional electric wire winding device.

FIG. 9 is a sectional view of a conventional electric wire winding device.

FIGS. 10 (a) and (b) are cross-sectional views showing a state of an upper electric wire winding section of a conventional electric wire winding device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Electric wire winding device 11, 14 Casing 11B, 11C Electric wire lead-out part 12 Mainspring spring (rotation biasing spring) 13 Winding roller 15 Partition plate 16 Lower electric wire winding part (1st electric wire winding part) 17 Upper electric wire winding part (2nd electric wire take-up part) 18 Electric wire take-up sheet 18A Electric wire holding recess W Electric wire

Claims (2)

[Claims] A winding roller provided with a first wire winding portion and a second wire winding portion via a partition plate is rotated by a rotation biasing spring in a casing having two wire leading portions. The one end of the electric wire is led out from one of the electric wire lead-out portions in a state where the electric wire is wound around the first electric wire winding portion of the winding roller, and the other end of the electric wire is stored. Part is wound in the direction opposite to the wire winding direction of the first wire winding part by the second wire winding part via the partition plate, and is led out from the other wire lead-out part and the two wires In an electric wire winding device in which the electric wire is fixed by any one of the electric wire deriving portions, the electric wire winding portion is provided on a peripheral surface of the first electric wire winding portion or the second electric wire winding portion. Provided with a flexible wire winding sheet extending outwardly Electric wire winding apparatus according to claim. 2. The electric wire winding device according to claim 1, wherein an electric wire holding concave portion is formed in a middle portion of a free edge of the electric wire winding sheet toward the electric wire winding portion. Characteristic wire winding device.