JPH0347252Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Field of Industrial Application) This invention relates to a telephone jack suitable for relaying a plug-and-jack type telephone cord.

(Prior Art) Generally, a telephone cord is used in which a plug is press-fitted into the tip of the cord, and the length of the cord with the plug is limited to the rated length.

On the other hand, the jack into which the plug is inserted is provided in a rosette, and the rosette is fixed to or embedded in an indoor wall or the like.

(Problem to be solved by the invention) However, in the above conventional example, the length of the cord for a telephone with a plug is fixed, and the rosette is fixed, so there is no connection between the telephone and the rosette. It was inconvenient because it was not possible to freely decide the length of the telephone cord.

(Means for solving the problem) In order to solve the above problem, the present invention forms a box-shaped case by fitting and fixing the bottom cover and the top cover,
A jack into which a telephone plug is inserted is provided in the front part of the case, and a mounting stand is formed on the inner surface of the bottom cover on which a withdrawal cord connected to a pin of the jack is placed, and the telephone is placed on the mounting stand. A connector unit into which a power cord is inserted is placed, and a pressing portion is formed on the inner surface of the top cover to press the connector unit against the pull-out cord when the bottom cover and the top cover are fitted and fixed, and the connector unit includes: Multiple thin metal plates with sharp protrusions formed on the top and bottom,
The connector unit is fitted into a plurality of slits formed on the lower surface of the connector unit, and when the top cover and the bottom cover are fitted and fixed, the connector unit is pressed onto the drawer cord, so that the thin plate is attached to the drawer cord. and a telephone cord inserted into the connector unit to electrically connect the two cords.

(Function) With the above configuration, the present invention is capable of inserting the cut end of the telephone cord into the connector unit, fitting the top cover and bottom cover with the connector unit placed on the above-mentioned stand, and screwing them together. A jack can be attached to a telephone cord using a chisel, and a relay cord can be easily made to connect a cord with a plug attached to a telephone and a rosette.

As a result, if the present invention is used, the length of the telephone cord can be set to a desired length other than the rated length, which is convenient.

(Embodiment) FIG. 1 is an exploded perspective view showing the structure of a telephone jack 50 according to an embodiment of the present invention.

The bottom cover 1 is formed into a box shape with an open front and top surface, and a jack 6 is provided at the front.

Further, a mounting table 10 is formed in the center of the bottom cover 1 on which a pull-out cord 9 connected to a pin 8 of the jack 6 is placed.

Furthermore, a key-shaped cord presser 21 is erected on the rear bottom surface of the bottom cover 1.

On the other hand, the top lid 2 is formed into a box shape that covers the top and front surface of the bottom lid 1, and a plug (not shown) attached to the end of the telephone cord is attached to the front surface of the top lid 2.
A jack opening 7 is formed into which a jack is inserted.

There are through holes 1 on both sides of the mounting table 10 of the bottom cover 1.
7 and 18 are formed, and these through holes 1
Screws 4 and 5 are inserted into holes 7 and 18.

The connector unit 11 is placed on the pull-out cord 9 on the mounting base 10 with the telephone cord 12 inserted from the rear.

Insertion pieces 23 and 24 are protruded from both sides of the lower surface of the connector unit 11, and correspondingly, fitting holes 19 and 2 are provided on the upper surface of the mounting base 10.
0 is formed. Therefore, the insertion piece 23,
24 into the insertion holes 19 and 20, the connector unit 11 can be positioned at a predetermined position on the mounting table 10.

As shown in FIG. 2, the inner surface of the upper lid 2 is provided with a holding portion 13 for holding down the connector unit 11 from above while the connector unit 11 is placed on the mounting table 10.

Screw holes 25 and 26 are formed on both sides of the holding portion 13, into which screws 4 and 5 inserted into the through holes 17 and 18 of the bottom cover 1 are screwed.

Further, a frame 27 is erected around the holding portion 13 in accordance with the peripheral shape of the connector unit 11, and this frame 27 is formed so as to fit on the upper surface of the connector unit 11.

On the rear surfaces of the bottom cover 1 and the top cover 2, there is a cord hole 2 through which the telephone cord 12 passes when the two are fitted together.
2, 28 are formed.

As shown in FIG. 3, a plurality of slits 15 are formed on the lower surface of the connector unit 11, and each of these slits 15 is made of metal with two sharp protrusions 16 formed on the upper and lower sides. The thin plates 14 are inserted one by one.

Further, on the rear surface of the connector unit 11, there is a socket 2 into which the cut end of the telephone cord 112 is inserted.
9 is formed.

Next, the method of use and operation of this embodiment will be explained.

For example, if it is desired to extend the distance between a cord with a plug connected to a telephone and a rosette fixed to a wall by an appropriate length, this embodiment may be used.

First, cut one end of the rated cord with a plug to create the length of cord you wish to extend.

Then, a small amount of the periphery of the outer covering of the cut end is peeled off to expose the lead wire 30 inside.

The telephone cord 12 includes a plurality of lead wires 30.
A flat cord is used in which the cords are lined up horizontally and the entire cord is covered with an outer jacket.

Telephone cord 12 with the core wire 30 exposed
The cut end of the connector is inserted into the connector unit 11 through the insertion port 29 so that the core wire 30 is on the lower surface of the thin plate 14 of the connector unit 11, as shown in FIG.

Thereafter, the connector unit 11 is placed on the pull-out cord 9 on the mounting table 10 of the bottom cover 1, and the top cover 2 is fitted onto the bottom cover 1.

Then, the screws 4 and 5 are inserted into the screw holes 17 and 18, and the bottom cover 1 and the top cover 2 are screwed together.

When tightening the screws, press the holding part 13 inside the top cover 2.
However, by pressing the connector unit 11, as shown in FIG. 4, the protrusions 16 formed on the top and bottom of the thin plate 14 bite into the core wires 30 of the pull-out cord 9 and the telephone cord 12, connecting them both with electricity. Connect to

The telephone cord 12 is prevented from coming out by submerging the cord retainer 21.

In this way, the relay cord 1 of the desired length is
2 is formed, and the telephone jack 50 of this embodiment is attached to one end of this relay cord, and a plug is attached to the other end.

Therefore, by inserting the plug at the end of the telephone cord into the telephone jack 50 and inserting the plug at the end of the telephone cord 12 into the jack of the rosette, the length between the telephone and the rosette can be extended. can.

It is also possible to form an extension cord in which the telephone jack 50 is attached to both ends of a telephone cord.

In this way, the telephone jack 50 of this embodiment
This method allows a jack to be attached to a telephone cord with a simple operation, and can be widely applied not only to making an extension cord as described above but also to making the end of a telephone cord into a jack.

The structure for fitting and fixing the bottom cover 1 and the top cover 2 is as follows.
In addition to the screw fastening structure of the above embodiment, a spring hook may be used, or a wedge-shaped locking projection may be formed on one lid and a locking groove may be formed on the other lid, and the locking projection may be press-fitted into the locking groove. , other structures such as a structure in which both lids fit together may be used.

(Effects of the invention) As explained in detail above, the present invention involves inserting the cut end of the telephone cord into the connector unit, placing the connector unit on the above-mentioned mounting base, and fitting the top cover and the bottom cover together. The jack can be attached to the telephone cord by simply screwing the two together, and a relay cord connecting the cord with a plug attached to the telephone and the rosette can be easily produced.

As a result, if the present invention is used, the length of the telephone cord can be set to a desired length other than the rated length, which is convenient.

[Brief explanation of the drawing]

Fig. 1 is an exploded perspective view showing the configuration of an embodiment of the present invention, Fig. 2 is a perspective view showing the inner surface of the top cover in the same embodiment, and Fig. 3 is a diagram showing the connector unit and telephone cord in the same embodiment. a perspective view showing the cut end;
FIG. 4 is a longitudinal sectional view of the same embodiment. 1...Bottom lid, 2...Top lid, 6...Jack, 8
... Pin, 9 ... Pull-out cord, 10 ... Placement stand, 11 ... Connector unit, 12 ... Telephone cord, 13 ... Holding part, 14 ... Thin plate, 15
...Slit, 16...Protrusion, 50...Telephone jack.

Claims (1)

[Scope of Claim for Utility Model Registration] A box-shaped case is formed by fitting and fixing a bottom cover and a top cover, and a jack into which a telephone plug is inserted is provided in the front part of the case, and a jack is provided on the inner surface of the bottom cover. A mounting table is formed on which a pull-out cord connected to the pin of the jack is placed, a connector unit into which a telephone cord is inserted is placed on the mounting table, and a bottom cover and a top cover are fitted to the inner surface of the top cover. A holding part is formed to press the connector unit against the pull-out cord when fixed, and the connector unit includes a plurality of metal thin plates each having sharp projections formed on the top and bottom of the connector unit. At the same time, when the top cover and the bottom cover are fitted and fixed, the connector unit is pressed onto the drawer cord, so that the thin plate is inserted into the drawer cord and the connector unit. A telephone jack characterized in that it is configured to cut into a telephone cord and electrically connect both cords.