JPH079879Y2 - Cord winding device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Industrial Field of the Invention The present invention allows one mainspring spring to urge two reels, and the two reels can wind separate cords having no connection relation. And a non-contact type cord winding device.

2. Description of the Related Art Conventionally, in this type of cord winding device, in general, one reel installed in a case is biased in one direction by one mainspring spring, and one cord is wound on the reel. Is wound in the direction opposite to the biasing direction of the mainspring.

Therefore, such a cord winding device has two uses,
For example, in order to use it simultaneously for the telephone stand and the rice cooker, two in total,
It is necessary, and moreover, a spring spring for winding each cord around each of the two cords is required, which increases costs and is uneconomical.

Therefore, the present invention solves the above-mentioned problems of the prior art, and can be used for two purposes at the same time with one, and only one mainspring is required, and an extremely economical and practical cord winding device is provided. The purpose is to

Means for Solving the Problems In order to achieve the above-mentioned object, the present invention is directed to a case 1 in which a first reel 3 and a second reel 4 are provided in a case 1 as shown in FIGS. It is rotatably installed while being supported in parallel in the axial direction. In the first reel 3 and the second reel 4, the first reel 3 is locked to the outer end of one spring spring 6 interposed around the shaft 5, and the second reel 4 is engaged to the inner end. They are stopped and urged in one direction opposite to each other. One cord 8 is provided on the first reel 3, and its withdrawal cord portion 8a is provided on one surface of the first reel 3 in the direction opposite to the urging direction of the first reel, and the non-withdrawal cord portion 8b is provided on the first reel 3. The first reel 3 is wound around the other surface of the first reel 3 in the same direction as the urging direction of the first reel, with the boundary portions of the both portions being locked. Also, the second reel 4
Similarly, another cord 10 has its withdrawal cord portion 10a on one surface of the second reel 4 in the direction opposite to the urging direction of the second reel and the non-withdrawal cord portion 10b on the second reel 4. The second reel 4 is wound around the other surface of the second reel 4 in the same direction as the urging direction of the second reel while the boundary portions are locked to the both reels.

Action With the above configuration, the cords 8 and 10 respectively wound around the first reel 3 and the second reel 4 installed in the case 1
However, each of the springs 6 can be independently pulled out and wound by one mainspring 6, and these cords 8 and 10 can be used for two purposes at the same time.

EXAMPLE One example will be described below with reference to FIGS. 1 to 3 focusing on parts other than the above-mentioned configuration.

The withdrawal cord portion 8a wound around the first reel 3 has its outer end portion taken out to the outside from a cord withdrawing port 12 provided on the outer periphery of the case 1. The boundary between the inner end side of the withdrawal cord portion 8a and the inner end side of the non-withdrawal cord portion 8b is the central portion of the first reel 3, that is, a through hole (not shown) provided in the annular plate 3a near the central axis 5. ) Is locked. The non-drawing cord portion 8b whose inner end side is locked in this way is locked by the non-drawing cord portion taking-out port 13 provided on the outer circumference of the case 1 and taken out to the outside.

On the other hand, the withdrawal cord portion 10a wound around the second reel 4
Also, the cord outlet 14 whose outer end is provided on the outer circumference of the case 1
Have been taken out from. Both boundary portions, which are the inner end side of the withdrawal cord portion 10a and the inner end side of the non-withdrawal cord portion 10b, are at the center of the second reel 4, that is, through holes (not shown) provided in the annular plate 4a near the central axis 5. ) Is locked.
The non-drawing cord portion 10b whose inner end side is thus locked is locked by the non-drawing cord portion take-out port 15 provided on the outer circumference of the case 1 and taken out to the outside.

Reference numeral 17 denotes a stepped annular wall arranged along the outer circumferences of the first reel 3 and the second reel 4, and the gap between the case 1 and the case cover 2 and the spread of the cords 8 and 10 to the outside of the reels 3 and 4. The lower end portion is fitted into and supported by the annular groove 18 formed in the bottom wall of the case 1, and the upper end portion is in contact with the top wall of the case cover 2.

Holes 20 and 21 through which the withdrawal cord portions 8a and 10a pass are formed in portions of the annular wall 17 facing the cord withdrawing openings 12 and 14.

The mainspring 6 is interposed inside the peripheral wall 3b around which the pull-out cord portion 8a of the first reel 3 is wound, and its outer end is locked by a locking piece 23 provided on the inner surface of the peripheral wall 3b, and The inner end is fitted into the central shaft 5 and is locked to a locking piece 25 provided on the outer surface of the boss portion 24 of the second reel 4 extending into the peripheral wall 3b. As a result, the first reel 3 is urged by the spring 6 in the direction of the solid line arrow in FIG. 3, and the second reel 4 is urged in the direction of the dotted line arrow to draw out the cords 8 and 10 respectively wound. The cord portions 8a and 10a can be pulled out and wound.

In the above, the lengths of the power cords 8 and 10 are different from each other (for example, the cord 10 is 1.5 m for the cord 8 is 3.5 m), and the lengths of the non-drawing cord portions 8b and 10b are the same as the pulling cord portion 8a. It is shorter than the length of 10a and is usually 2/3 of that. Further, the non-drawing cord portions 8b, 10b are in the maximum expanded state when the withdrawing cord portions 8a, 10a are completely wound around the first reel 3 and the second reel 4.

The cord 8 wound around the first reel 3 and the second reel 4,
It can be said that the pulling-out and winding action of 10 also serves as one spring 6, which is the same. Therefore, only the cord 8 wound on one of the first reels 3 will be described below.

The withdrawal cord portion 8a of the power cord 8 is the first in the case 1.
Withdrawal cord 8a from the state that the reel 3 is completely wound up
In order to pull the cord out of the case 1, pull out the pull-out cord 8a from the cord pull-out port 12 to the outside of the case 1. By this drawing, the first reel 3 is rotated clockwise in FIG. 3 against the bias of the spring 6, and the wound cord portion 8a is gradually drawn out.
Drawn from twelve.

Then, when the pulling out of the cord portion 8a is stopped at a predetermined length, the first reel 3 is rotated in the opposite arrow direction by the bias of the spring 6 to wind up the cord portion 8a, but it is not shown in the drawing. By the operation of the stopper mechanism, the rotation of the first reel 3 is stopped, the cord portion 8a is not wound any further, and is stopped at that position.

At this time, the non-drawing cord portion wound around the first reel 3
8b is gradually reduced from the maximum expanded state,
When the cord portion 8a is completely pulled out of the case 1, the minimum diameter state is achieved.

Next, in order to wind the pull-out cord portion 8a of the power cord 8 pulled out as described above on the first reel 3, the cord portion 8a is pulled out again. As a result, the operation of the stopper mechanism is released, the first reel 3 is rotated by the urging force of the spring 6, and the pull-out cord portion 8a is wound around the first reel 3 in a state before being pulled out.

At this time, the non-drawing cord portion 8b that was in the smallest diameter reduced state
Is gradually expanded, and when the cord portion 8a is completely wound, the cord is restored to the original maximum expanded state.

Since the structure and operation of the stopper mechanism described above are conventionally known, the description thereof will be omitted including the drawings. still,
The stopper mechanism as a mechanism for stopping the withdrawal cord portion 8a at a predetermined position is merely an example, and not with such a stopper mechanism, the withdrawing cord portion 8a is directly held by a locking member or the like and locked, A mechanism for stopping may be used.

Effect of the Invention This device has the above-mentioned configuration, and each cord can be used for two purposes at the same time, and only one mainspring is required, which is extremely economical. Also,
Conventionally, two devices are required, but the height of the case is increased by one cord, but one unit is sufficient and practical value is large, and only one mainspring is structurally required. However, there is an excellent effect that it becomes simpler and the manufacturing cost can be reduced.

[Brief description of drawings]

FIG. 1 is a vertical sectional front view showing an embodiment of the present invention, FIG. 2 is a partially broken plan view of the same as above, and FIG. 3 is III-II of FIG.
FIG. 7 is a cross-sectional view of the reel portion taken along the line I. 1 ... Case, 2 ... Case cover, 3 ... 1st reel, 4 ... 2nd reel, 5 ... Center axis, 6 ... Spring, 8,
10 …… Power cord, 8a, 10a …… Drawer cord, 8b, 1
0b …… Non-drawing cord part, 12,14 …… Cord outlet, 13,15 …… Non-drawing cord part outlet, 17 …… annular wall, 20,21 …… hole, 23,25 …… Locking piece

Claims (1)

[Scope of utility model registration request] 1. A first reel and a second reel are rotatably installed in a case so as to be supported in parallel in an axial direction by shafts provided in the case, and the first reel and the second reel are arranged around the shaft. The first end is attached to the outer end of one spring spring
The reel is locked, and the second reel is locked at the inner end and is biased in one direction opposite to each other, and one cord is attached to the first reel so that the withdrawal cord portion is the first cord. The non-drawing cord portion is provided on one surface of the reel in the direction opposite to the urging direction of the first reel, and the non-drawing cord portion is provided on the other surface of the first reel in the same direction as the urging direction of the first reel. Is wound around the first reel, and another cord is wound around the second reel, and the pull-out cord portion is provided on one surface of the second reel in the opposite direction to the urging direction of the second reel. And the non-drawing cord portion is wound around the other surface of the second reel in the same direction as the urging direction of the second reel, with the boundary portion of both portions being locked to the second reel. A cord winding device.