JPH0142385Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Technical Field of the Invention] The present invention relates to a cord holding structure suitable for application to connection cords in various communication devices such as telephones.

[Prior art]

When inserting a connection cord into the housing of various devices and fixing it, the cord should be securely held in the insertion part using the simplest structure possible, so that even if a pulling force is applied to the cord, the core wire inside the cord will not be damaged. It is required to have a structure that does not apply excessive force, and to be able to install it easily and appropriately. Various configurations have been proposed for this type of cord holding structure, but all of them have complex structures, many parts, and are said to be troublesome to install. In addition, this part tends to become a dead space within the device casing, and the device casing cannot be miniaturized.

That is, in conventional cord holding structures of this type, a special cord holding fitting having a holding portion for holding the plug end of the cord is generally used in order to install the plug end of the cord into the device housing. . Conventionally, when fixing this cord holding metal fitting inside the housing, the end of the extension extending from the holding part was fixed with a screw, a pin protruding inside the housing, or a locking part. At the same time, the outer end of the holding part is locked at the peripheral edge of the insertion hole of the housing, thereby regulating the pulling force applied to the cord and holding the cord. However, such a structure not only causes problems such as an increase in the number of parts and a complicated structure, but also requires extremely troublesome installation work. Incorporating the casing into the casing poses a major problem in reducing the size of the casing.

Furthermore, there is also known a structure in which one end of the above-mentioned cord holding metal fitting extended to the rear is used as a hook and is hooked into a hole drilled in a part of the casing. The complexity of the installation work is unavoidable, and like the above-mentioned problem, it is also a problem in achieving miniaturization of the casing, so it is desired that some kind of countermeasure be taken.

[Summary of the idea]

The present invention was developed in view of these circumstances, and includes a support step that locks the jaw part of the wide head of the cord holding fitting to prevent it from slipping out, and a horizontal lock that locks the raised tip of the head. With a simple structure in which a cover body is assembled to the housing and a holding part of the cord holding fitting is pressed and held at the cord insertion opening of the housing, the cord end can be easily fixed. It is possible to easily and securely attach and hold the cable, reliably prevent it from coming off or rattling, and also to reduce the size of the casing because the amount of insertion of this cord end can be made smaller than before. This provides a code holding structure that allows for

〔Example〕

Hereinafter, the present invention will be explained in detail using embodiments shown in the drawings.

Figures 1 to 3 show an embodiment of the cord holding structure according to the present invention, and in these figures, reference numeral 1 indicates a resin lower casing constituting the equipment casing, and 2 indicates this. A cover body made of resin as an upper casing to be combined, and a side wall portion 1a of the casing 1.
A cord insertion opening 4 for a connection cord 3 for connection with an external device or the like is formed in a notch so as to have a substantially U-shape. The pressing piece 5 on the cover body 2 side is inserted from above the cord insertion opening 4 to form a hole for the insertion of the cord.

Now, according to the present invention, in order to insert and hold the cord 3 into the cord insertion opening 4 portion of the casing 1 described above, a holder 6a that holds the end of the cord 3 and a holder 6a that extends from one end toward the tip end of the cord are provided. The provided strip 6b
The cord holding fitting 6 is made up of a substantially circular wide head 6c connected to the tip of the cord holding fitting 6, and the cord holding fitting 6 can be assembled and held in the housing 1 by an extremely simple operation. It is characterized by the fact that it is

That is, a support stepped portion 7 is formed inside the side wall portion 1a of the casing 1, extending from the bottom of the cord insertion opening 4 toward the inside horizontal direction, and on this support stepped portion 7 is formed the cord insertion opening. A guide groove 8 into which the strip portion 6b of the cord holding fitting 6 is fitted is formed continuously from the bottom of the cord holding fitting 6. Then, as shown in FIG. 2, the two jaws of the head 6c of the cord holding fitting 6 are prevented from falling out at the tips 7a and 7b that correspond to the inner ends of the support step 7 on both sides of the guide groove 8. It is configured so that it can be locked.

On the other hand, a substantially gate-shaped locking protrusion 9 is protruded from the bottom of the casing 1 so as to face the tips 7a and 7b of the support step 7 at a predetermined distance, and its internal space 9a is It is opened on the support step 7 side. Then, the cord holding fitting 6 is inserted into this locking protrusion 9.
Insert the head 6c from diagonally above as shown by the imaginary line in FIG. The horizontal locking piece 10 is configured to be able to lock its floating position by coming into contact with the inner surface of the locking piece 10.

Therefore, the support step portion 7 with such a configuration
When the cord holding fitting 6 is attached to the locking protrusion 9 and the locking protrusion 9, as shown in FIGS. 2 and 3,
The head 6c is assembled and held in a state where it is prevented from coming off or floating up by the tips 7a, 7b of the support step 7 and the horizontal locking piece 10 of the locking protrusion 9, Further, since the band-shaped portion 6b is held within the guide groove 8, it is in a temporarily fixed state with no wobbling.

In this state, the inner end portion of the holding portion 6a of the metal fitting slightly exposed into the cord insertion opening 4 is pressed and held by the pressing piece 5 of the cover body 2 assembled from above, so that the cord can be held. The cord holding fitting 6 that holds the end can be easily and reliably attached to and held on the housing side. In addition, in such a structure, the holding portion 6a of the metal fitting 6 is attached to the housing 1.
Since it protrudes outside the cord, the amount of insertion of the cord end is smaller than in the past, which is effective in reducing the size of the device housing.

In this embodiment, as is clear from the illustration, the cord holding fitting 6 has a screw hole 6d in its head 6c and is commonly used in communication equipment such as telephones. When the applicable equipment is, for example, this type of communication equipment, the conventional parts can be used as they are, so it is superior in terms of versatility and is advantageous in terms of cost. However, the present invention is not necessarily limited to this, and can be applied to various devices and devices, and the shape of the metal fittings can be modified as appropriate.

Further, the present invention is not limited to the structure of the embodiment described above, and the shape and structure of each part may be modified and changed as appropriate. For example, the structure of the equipment casing and the horizontal It is clear that the gate-shaped locking protrusion with the stopper piece is not limited to the shape of the embodiment.

[Effect of idea]

As explained above, according to the cord holding structure according to the present invention, the wide head of the cord holding fitting that holds the end of the cord is prevented from coming off and floated by using the horizontal locking piece at the tip of the support step. In addition to preventing the cable from climbing up and locking it, the cover body that is assembled to the housing presses and holds the holding part at the cord insertion opening, so the configuration is simple and no extra mounting parts are required. Not only is it easy to install, it is extremely easy to install and can be installed properly, and the cord end can be held securely without falling out or wobbling, and the amount of insertion of the cord end is smaller than before. Therefore, it is possible to exhibit this effect in reducing the size of the device housing. According to the present invention, it is possible to reuse the cord holding fittings that have been conventionally used in communication equipment, etc., so it is possible to reduce costs in this type of equipment and devices. It has the advantage of being able to

[Brief explanation of the drawing]

The figures show an embodiment of the cord holding structure according to the present invention, in which FIG. 1 is an exploded perspective view of a main part thereof, FIG. 2 is a plan view, and FIG. 3 is a sectional view taken along the line -- in FIG. 2. DESCRIPTION OF SYMBOLS 1... Housing, 1a... Side wall part, 2... Cover body, 3... Connection cord, 4... Cord insertion port, 5
. . . Pressing piece, 6 . Groove, 9...locking protrusion, 10...horizontal locking piece.

Claims (1)

[Scope of utility model registration request] A cord holding structure using a cord holding fitting having a wide head at the tip of a holding part that holds the end of the cord and a band-like part extending toward the tip end of the cord, and the cord insertion opening in the side wall of the housing. a support step part having a guide groove extending inward horizontally from the inside and into which the band-like part of the cord holding fitting is fitted, and locking both jaws of the head of the cord holding fitting at the tips on both sides of the guide groove to prevent them from slipping out; and a horizontal locking piece that protrudes from the bottom side of the casing so as to face the tip of the support step part at a predetermined interval, and locks the floating part when the tip of the head of the cord holding fitting is inserted. a locking protrusion; the holding part of the cord holding fitting is pressed and held by a cover body assembled from above within the cord insertion opening of the casing.