JP3109435U - Multistage positioning type code reel device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a multi-stage positioning type code reel device capable of positioning a cable to a necessary length and winding it quickly, having good operability, miniaturization, and low cost. SOLUTION: A forward circular wall 31 and a counter-direction circular wall are formed on both surfaces of a winder 3, a middle portion of a cable 4 is fixed to the winder 3, and both sides are fixed to a positive circular wall 31 and a counter-direction. Winding around a circular wall, urging the winding machine 3 to rotate in the cable winding direction, engaging the positioning ball 5 with the guide groove of the winding machine 3 and the engaging groove 63 of the lower lid 6, and guiding groove When the cable 4 is pulled out, the positioning ball 5 is moved and the winding machine 3 is rotated. When the drawn cable 4 is released, the positioning ball 5 is caught and the rotation of the winding machine 3 is restricted. Then, when the positioning ball 5 is detached and the positioning ball 5 is detached and the cable 4 is released, the positioning ball 5 moves and the winding machine 3 rotates in the cable winding direction.
[Selection] Figure 2

Description

  The present invention relates to a multi-stage positioning type code reel device capable of winding a cable or the like connecting a computer and a mouse as an input device, and pulling out and positioning it to a certain length as required.

In a small electric device, a computer peripheral device, and the like, a cable is an indispensable medium for transmitting power and data.
Conventional cables (for example, cables connecting a computer and a mouse) have a constant length, are often too long or too short, and are extremely inconvenient in use.
Further, when the cable is too long, it is often processed so as not to get in the way by bending and binding, but this method not only makes the appearance messy, but also makes the cable tangled. In particular, if the cable is left in a bent state for a long period of time, the ability to transmit power and data is reduced, and safety is adversely affected.

  The problem to be solved by the present invention is that the cable can be positioned to a required length, can be wound up quickly, has good operability, can be downsized, and can be used in the interior of a small electric device. It is another object of the present invention to provide a multi-stage positioning type code reel device that can be installed in a low cost.

  The multistage positioning type cord reel device of the present invention includes an upper lid and a lower lid that are assembled together to form an outer shell, a winding machine, a mainspring and a positioning ball that are housed in the outer shell, and a cable. The winder is rotatable about the central axis of the outer shell, and forms a forward circular wall on one surface of the winder and an opposite circular wall on the other surface. The cable passes through the winder and extends to both sides thereof, and the middle portion of the cable is fixed to the winder, and both sides thereof are wound around the outer circumferential surfaces of the forward circular wall and the counterclockwise circular wall, respectively. Thus, both sides of the cable can be drawn out and wound up by extending to the outside of the outer shell and rotating the winder forward and backward. Both ends of the mainspring are fixed to the winding machine and the outer shell, respectively, and when the cable is pulled out, the winding machine is urged to rotate in the cable winding direction. A guide groove is formed on the bottom surface of the winder so that the positioning ball is movably engaged with its rotation, and an engagement groove is formed on the inner surface of the lower lid so that the positioning ball is movably engaged. Form along the direction. The guide groove allows the positioning ball to move when the cable is pulled out to allow the winding machine to rotate. After releasing the drawn cable, the positioning ball is caught and the cable winding of the winding machine is performed. When the cable is pulled out slightly while the positioning ball is locked while restricting rotation in the take-off direction, the positioning ball is released, and when the positioning ball is released and the cable is released, the positioning ball Moves to allow the winding machine to rotate in the cable winding direction.

According to the present invention, the cable can be pulled out and positioned to the required length, and can be wound up when the cable is not needed, so the cable does not get in the way, looks good, and the cable is damaged even after long-term use. It is hard to receive.
In addition, both sides of the cable operate in the same way during drawing and winding, and because the cable is wound at once by the force of the mainspring, it can be pulled out and wound quickly with a simple operation of simply pulling and releasing the cable. Can be taken.
Furthermore, since both sides of the cable are wound on both sides of the winder and the positioning mechanism is not bulky, the entire apparatus can be miniaturized so that even a small electronic device can be mounted, and costs can be reduced.

As shown in FIGS. 1 and 2, the multistage positioning type cord reel device of the present invention includes an upper lid 1, a mainspring 2, a winder 3, a cable 4, a positioning ball 5 and a lower lid 6.
The upper lid 1 and the lower lid 6 constitute an outer shell of a multistage positioning type cord reel device, and a central shaft 11 projects downward from the center of the inner surface of the upper lid 1. A through hole 61 is formed at the center of the lower lid 6, and the upper lid 1 and the lower lid 6 are assembled by inserting the tip of the central shaft 11 into the through hole 61 and fixing with the screw 62. It has become.
Further, an engagement groove 63 is formed along the radial direction on the inner surface of the lower lid 6, and the positioning ball 5 is movably engaged with the engagement groove 63.

The winding machine 3 includes a disk having a slightly smaller diameter than the upper cover 1 and the lower cover 6, a forward circular wall 31 provided on one surface of the disk, and a counter-direction circular wall 32 provided on the other surface of the disk. .
A central portion of the disk is recessed in a circular shape on the other surface side, and a peripheral wall of the recessed portion is a counter-direction circular wall 32. Further, a through hole 33 for inserting the central axis 11 of the upper lid 1 is formed at the center of the bottom 34 of the depressed portion.
The winder 3 is housed between the upper lid 1 and the lower lid 6 with the forward-direction circular wall 31 facing the upper lid 1, and the central shaft 11 is inserted into the through hole 33 so that the central shaft 11 is moved. It can be rotated as the center of rotation.

A plurality of slits 311 are formed in the forward circular wall 31, and a partition wall 312 concentric with the forward circular wall 31 is provided so as to face the inside of one slit 311. Further, an insertion hole 313 is formed in the disk between the forward-direction circular wall 31 and the partition wall 312 and outside the counter-direction circular wall 32, and both surfaces of the disk communicate with each other through the insertion hole 313. .
As shown in FIG. 3, a clamping piece 321 concentric with the counter-direction circular wall 32 is provided in the vicinity of the insertion hole 313 slightly outside the counter-direction circular wall 32 on the other surface of the disk.
A guide groove 341 is formed on the back surface of the bottom 34 of the depressed portion so that the positioning ball 5 is movably engaged.

As shown in FIGS. 2 and 4, the mainspring 2 is housed inside the forward-direction circular wall 31 of the winder 3, and its center-side end 21 is locked to the center shaft 11 of the upper lid 1, and The flange 22 formed on the side end is locked to the other slit 311 of the upper circular wall 31.
Therefore, when the winder 3 rotates in both forward and reverse directions, the mainspring 2 is loosely rewound or tightly tightened.

As shown in FIG. 3, the cable 4 is inserted into the insertion hole 313 of the winder 3 and has a positive cable 4 extending to one surface side of the winder 3 and a reverse cable 4 extending to the other surface side. Are almost the same length.
As shown in FIGS. 2 and 4, the forward cable 4 is exposed to the outside of the forward circular wall 31 through one slit 311, wound around the outer peripheral surface of the forward circular wall 31, and further the outer shell. It extends outside. An intermediate portion of the cable 4 is sandwiched and fixed between the counter-direction circular wall 32 and the sandwiching piece 321. The cable 4 in the opposite direction is wound around the outer peripheral surface of the opposite-direction circular wall 32 and further extends to the outside of the outer shell.
Then, as shown in FIG. 5, one end of the cable 4 is connected to, for example, a computer main body, and the other end is connected to a mouse.

When the both sides of the cable 4 are pulled out, the winder 3 rotates in the forward direction (counterclockwise in FIGS. 6 to 10), and when the cable 4 is released, the winder 3 rotates in the reverse direction with the force of the mainspring 2 (see FIG. 6). (Clockwise in FIG. 10) and the cable 4 is taken up.
Further, since the middle portion of the cable 4 is fixed, the cable 4 on the other side does not enter the area on the other side when the cable 4 in the forward direction is pulled out or the cable 4 in the opposite direction is pulled out. Moreover, the cable 4 in the forward direction and the cable 4 in the opposite direction perform the same operation (drawing / winding) by the same length.

Next, the relationship between the guide groove 341 of the winder 3, the engagement groove 63 of the lower lid 6, and the positioning ball 5 will be described.
Since the positioning ball 5 is engaged with the engagement groove 63 of the lower lid 6, it can move in the radial direction but cannot move in the circumferential direction. For this reason, when the winder 3 rotates without being restricted, the positioning ball 5 rotates in the opposite direction relative to the rotational direction of the winder 3.
As shown in FIGS. 6 to 10, the guide groove 341 is connected to the large-diameter guide groove 343 via a substantially circular large-diameter guide groove 343 and a connection portion 345, and has a smaller diameter and a substantially circular shape than the large-diameter guide groove 343. The small-diameter guide groove 344 and the large-diameter guide groove 343 and the fixed portion 342 connected to the small-diameter guide groove 344 are provided.
A connecting portion 345 between the small-diameter guide groove 344 and the large-diameter guide groove 343 is inclined in the reverse rotation (clockwise) direction from the radial direction toward the large-diameter guide groove 343 from the small-diameter guide groove 344.

The connecting portion between the large-diameter guide groove 343 and the fixed portion 342 is such that when the winding machine 3 is rotating forward, the positioning ball 5 continues the relative reverse rotational movement in the large-diameter guide groove 343, When the winder 3 rotates in the reverse direction, the positioning ball 5 that rotates relatively forward is inclined so as to guide it to the fixed portion 342.
The fixing portion 342 is deeper than the large-diameter guide groove 343 and is formed such that the connection portion from the large-diameter guide groove 343 and the connection portion from the small-diameter guide groove 344 intersect each other in a substantially V shape. For this reason, when the positioning ball 5 is engaged with the fixing portion 342, the relative forward rotation (counterclockwise) of the positioning ball 5 is restricted. On the other hand, the positioning ball 5 can be rotated in the reverse direction (clockwise) relatively from the state of being engaged with the fixing portion 342, and is thereby guided from the fixing portion 342 to the small diameter guide groove 344.

As shown in FIG. 6, when the cable 4 is pulled out with the positioning ball 5 engaged with the large-diameter guide groove 343, the positioning ball 5 smoothly moves in the large-diameter guide groove 343, and the winding machine 3 is positioned. The forward rotation is continued without being restricted by the ball 5.
When the cable 4 is pulled out to an appropriate length and then released, as shown in FIG. 7, the winder 3 is reversely rotated by the restoring force of the mainspring 2, and the positioning ball 5 is guided to the fixing portion 342. Then, the positioning ball 5 is caught by the fixing portion 342, and the reverse rotation of the winder 3 is stopped, and the cable 4 is positioned by the length.
Each time the winding machine 3 makes one rotation, the positioning ball 5 passes through the connection portion with the fixing portion 342. Therefore, the positioning length of the cable 4 is an integral multiple of the drawing length per rotation of the winding machine 3. It becomes the length.

When the cable 4 is slightly pulled out from the state of FIG. 7, the winder 3 rotates forward as shown in FIG. 8, and the positioning ball 5 is guided to the small diameter guide groove 344.
When the cable 4 is continuously pulled out and the winder 3 continues to rotate forward, the positioning ball 5 relatively rotates in the small-diameter guide groove 344 and then passes through the connecting portion 345 as shown in FIG. Therefore, the cable 4 can be further pulled out by returning to the state shown in FIG.
On the other hand, when the cable 4 is released in the state shown in FIG. 8, as shown in FIG. 10, the winder 3 is rotated in reverse by the restoring force of the mainspring 2 and the positioning ball 5 is not caught in the small-diameter guide groove 344. It rotates forward and the cable 4 is quickly wound up.

1 is a perspective view of a multistage positioning type code reel device showing an embodiment of the present invention. FIG. 1 is an exploded perspective view of a multistage positioning type code reel device showing an embodiment of the present invention. The bottom perspective view of a winding machine. BRIEF DESCRIPTION OF THE DRAWINGS Sectional drawing of the multistage positioning type code reel apparatus which shows the Example of this invention. The top view which shows the usage example of a multistage positioning type code reel apparatus. The figure which shows the relationship between the guide groove and the positioning ball at the time of cable drawing. The figure which shows the relationship between the guide groove at the time of cable positioning, and a positioning ball. The figure which shows the relationship between the guide groove at the time of cable positioning cancellation | release, and a positioning ball. The figure which shows the relationship between the guide groove at the time of cable redrawing, and a positioning ball. The figure which shows the relationship between the guide groove at the time of cable winding, and a positioning ball.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Top cover 11 Center axis | shaft 2 Mainspring 21 Center side edge part 22 Claw part 3 Winding machine 31 Forward direction circular wall 311 Slit 312 Partition wall 313 Insertion hole 32 Counter direction circular wall 321 Nipping piece 33 Through-hole 34 Bottom part 341 Guide groove 342 Fixation Portion 343 Large diameter guide groove 344 Small diameter guide groove 345 Connection portion 4 Cable 5 Positioning ball 6 Lower lid 61 Through hole 62 Screw 63 Engagement groove

Claims (1)

An upper lid and a lower lid that are assembled together to form an outer shell, a winding machine, a mainspring and a positioning ball housed in the outer shell, and a cable, the winding machine having a central axis of the outer shell It is rotatable as a center, and a forward circular wall is formed on one surface of the winding machine, and a counter-direction circular wall is formed on the other surface, and the cable extends through both sides of the winding machine. The intermediate portion of the cable is fixed to the winder, and both side portions thereof are wound around the outer circumferential surfaces of the forward-direction circular wall and the counter-direction circular wall, respectively, and extend to the outside of the outer shell. When the take-up machine rotates forward and backward, both sides of the cable can be drawn out and taken up. When the mainspring is fixed to the take-up machine and the outer shell, respectively, and the cable is drawn out , Said volume The guide plate is urged to rotate in the cable winding direction, and a guide groove is formed on the bottom surface of the winding plate so that the positioning ball is movably engaged with the rotation. An engaging groove is formed along the radial direction to which the positioning ball is movably engaged, and the guide groove allows the positioning ball to move when the cable is pulled out to allow the winding machine to rotate. After releasing the pulled-out cable, the positioning ball is caught and the rotation of the winding machine in the cable winding direction is restricted, and when the cable is pulled slightly with the positioning ball caught, the positioning ball When the catch of the ball comes off and the positioning ball comes off and the cable is released, the positioning ball moves and the cable winding method of the winding machine Multistage positioning type cord reel apparatus, characterized in that to permit rotation in the.

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