JP3018066U - Telephone line plug - Google Patents

Abstract

(57) [Summary] [Purpose] A telephone line plug that can be easily and accurately installed on a telephone line. [Structure] Locking parts 322 are provided on both sides of a rear part 326 of the fitting insert 32 for convenient gripping and applying force, and a locking projection 3201 is provided on a front part 320 of the fitting insert 32. The plug insert 31 is inserted into the positioning fitting hole 3151 in the predetermined space 314 of the plug body 31 in a corresponding manner.
Of the front part 3 of the insertion piece 32,
After the plug 20 is inserted into the plug body 31, the fitting insert 3
The concave edge 3221 and the sloped surface 3222 of the protruding lock portion 322 on both sides of the second rear part 326 are in contact with the convex edges 316 on both sides of the plug body 31 and are in contact with each other, and the rear end part 326 of the fitting insert piece 32. The front side edge 3261 also comes into contact with the upper rear wall 318 of the plug body 31, and thus the fitting insert 3
2 and the plug body 31 are firmly combined.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a kind of telephone line plug.

[0002]

[Prior art]

 There are four types of plugs for telephone wires that are often seen today, such as 4-core, 6-core, 8-core and 10-core. However, none of the above has the drawback that mounting is not easy and defective products are easily formed. For example, shown in FIGS. 1 to 3 is a conventional eight-wire telephone line plug. The plug body is integrally molded, and one predetermined space is formed in the middle, and the front side of the predetermined space is a narrowed portion and communicates with eight recessed grooves on the front side of the plug body. At the time of combination, first, the eight core wires at the front ends of the eight telephone wires are inserted into the predetermined space in the middle of the plug main body, and then the eight slots (formed by the plurality of partitions of the narrowed portion on the front side of the predetermined space ( (Not shown in the figure), and then insert the conductive metal pieces into the eight concave grooves on the front side of the plug body by an automatic machine (not shown in the figure), and then press the prescribed automatic press machine. (Not shown in the figure) pressurizes from top to bottom, and by doing so, the plug body and the 8-core telephone wire are fixed and integrated, and 8 of the conductive metal pieces are 8 pieces separately. It is inserted into eight core wires at corresponding positions in the slot. For this reason, when inserting the above eight core wires into the eight slots of the narrowed part on the front side of the predetermined space of the plug body, it is necessary to insert them carefully and slowly by hand, and not all are inserted into the slots. It was difficult to align the core wire and the slot in this way, and it was extremely inconvenient to install. Moreover, it was easy to cause a situation where the quality was inaccurate.

[0003]

[Problems to be solved by the device]

 The present invention is to provide a plug for a telephone line that can be easily attached to a telephone line, can reduce the time required for the attachment, can improve the attachment efficiency, and can suppress the occurrence of defective products in the attachment. It is an issue.

[0004]

[Means for Solving the Problems]

 The telephone wire plug of the present invention has at least one plug body 31 and one fitting insert 32, in which the plug body 31 is integrally molded for fitting and positioning with a telephone socket. To form a stopper portion 311. On the front side of the plug body 31, eight slots 312 for inserting eight conductive metal pieces 313 by an automatic machine are formed at equal intervals. A predetermined space 314 that communicates with the eight slots 312 is formed in the plug 31, and the bottom of the plug body 31 is fitted and positioned with a corresponding hook 61 provided in an iron casing 6 described later. A lock groove 310 is provided, and the fitting insert 32 is provided with the core wire inserting conduits 321 of the telephone wire 5 in the number corresponding to the number of slots on the front side of the plug body 31. A projecting lock portion 322 is provided at the appropriate position, and one hole 3213 is provided upward in the front portion of the core wire insertion conduit 321. Each hole 3213 is provided in each slot 312 on the front side of the plug main body 31. The fitting / inserting piece 32 is a plate-like block body having locking portions 322 which are convenient for gripping and applying force and which protrude to both sides of the rear-stage part 326. One locking projection 3201 is provided, which is fitted into the positioning fitting hole 3151 in the predetermined space 314 of the plug body 31 described above, so that the fitting insert piece 32 is reliably deviated outward. Of the locking parts 322 protruding from both sides of the rear part 326 of the fitting insert 32 after the front part 320 of the fitting insert 32 is inserted into the plug body 31. 3221 and the inclined surface 3222 are in contact with the convex edges 316 on both sides of the plug main body 31 on the inclined surfaces and mesh with each other, and the front side edge 3261 of the rear stage portion 326 of the fitting insert 32 also contacts the upper rear wall 318 of the plug main body 31. The above configuration is assumed.

[0005]

[Action]

 The telephone wire plug of the present invention has at least one plug main body 31 and one fitting insert 32, which is characterized in that the fitting insert 32 protrudes to both sides of the rear part 326. It is a plate-shaped block body having a convenient locking portion 322, and one locking projection 3201 is provided on the front part 320 of the fitting insert 32, which is located in the predetermined space 314 of the plug body 31. The fitting fitting hole 3151 is fitted into the fitting fitting hole 3151 so as to surely prevent the fitting insert piece 32 from moving outward and moving, and the front part 320 of the fitting insert piece 32 is inserted into the plug body 31. After being inserted, the concave edge 3221 and the sloped surface 3222 of the protruding lock portions 322 on both sides of the rear stage portion 326 of the fitting insertion piece 32 are in contact with the convex edges 316 on both sides of the plug body 31 so as to abut, mesh with each other, and Of the insert 32 The front side edge 3261 of the step portion 326 also abuts on the rear side wall upper side 318 of the plug body 31, and the combined fitting structure of the fitting piece 32 and the plug body 31 is further strengthened by the above configuration. . When the present invention is attached to each core wire of the telephone wire, at the same time, the core wire of the telephone wire is quickly opposed to the core wire insertion pipe passage 321 of the fitting insert to grasp and apply force to easily insert the insert wire. It suffices to attach 32 to the plug body 31, so that the attaching operation to the telephone line can be performed accurately and easily.

[0006]

【Example】

 The embodiment of the present invention shown in FIGS. 2 to 7 shows a kind of 8-core type telephone wire plug 3. It has at least one plug body 31, one fitting insert 32, and an iron casing 6.

An upper part 311 is integrally formed on the plug body 31 for fitting and positioning with a telephone socket, and an automatic machine (not shown in the figure) is provided on the front side of the plug body 31. Since it is a well-known machine, detailed description thereof will be omitted here. Eight slots 312 for inserting eight conductive metal pieces 313 are formed at equal intervals. The plug body 31 is further formed with a predetermined space 314 that communicates with the eight slots 312, and a bottom portion of the plug body 31 is fitted with a corresponding hook 61 provided in an iron casing 6 described later. A lock groove 310 that is inserted and positioned is provided.

The fitting insert 32 is provided with the core wire inserting conduits 321 of the telephone wire 5 in a number corresponding to the number of slots on the front side of the plug body 31, and at appropriate positions of the fitting insert 32. A protruding lock portion 322 is provided. Further, one hole 3213 is provided upward in the front part of the core wire insertion conduit 321, and each hole 3213 communicates with each slot 312 on the front side of the plug body 31.

The iron casing 6 has two locking hooks 61. The iron casing 6 is put on the plug body 31 and the fitting piece 32 after the assembly is completed, and the eight locking hooks 61 are fitted into the locking grooves 310 below the corresponding plug body 31. The tail piece 62 of the iron casing 6 is used to bind the telephone line 5.

At the time of mounting, the eight core wires 51 of the telephone wire 5 are simultaneously inserted into the plurality of core wire insertion conduits 321 of the fitting insert 32, and then the fitting insert 32 is further inserted into the plug body 31. The upper part of the front end of the core wire 51 of the book is made to correspond to the eight conductive metal pieces 313 in the plurality of slots 312 on the front side of the plug main body 31, and is further pressed by an automatic press machine (not shown in the figure) (for this, Since this is a well-known technique, detailed description thereof will be omitted here.) One conductive metal piece 313 is inserted into each core wire 51 to a predetermined depth.

Further, the above-mentioned fitting piece 32 is a plate-shaped block body having a lock portion 322 having a rear stage portion 326 projecting to both sides, and is convenient for an attaching person to grip and apply force. In addition, one locking projection 3201 is provided on the front part 320 of the fitting insert 32, and this is fitted into the positioning fitting hole 3151 in the predetermined space 314 of the plug body 31 described above. As a result, the fitting insert 32 is surely prevented from deviating outward and moving, and after the front part 320 of the fitting insert 32 is inserted into the plug body 31, the fitting insert 32 is inserted. The concave edge 3221 and the slope 3222 of the locking parts 322 projecting on both sides of the rear part 32 of the back 32 are in contact with the convex edges 316 on the both sides of the plug body 31 and are in contact with each other, and the rear part of the fitting insert 32. Front edge of 326 3261 also abuts on the upper rear wall 318 of the plug body 31, and the combined fitting structure of the fitting piece 32 and the plug body 31 is further strengthened.

[0012]

[Effect of device]

 As described above, when the present invention is installed, the core wires 51 of the telephone wire 5 can be quickly and simultaneously made to correspond to the core wire insertion pipe passages 321 of the fitting insert pieces 32, and can be inserted. It suffices that the plug is inserted into the plug main body 31 in correspondence with the plug main body 31, and thus such a simple combination operation can be performed. In addition, the present invention has a strong combination structure of the insertion piece 32 and the plug main body 31, so that accurate product quality can be obtained. Further, the structure of the present invention can reduce the interference because the peeling portion of the wire of each core wire 51 is relatively reduced.

[Brief description of drawings]

FIG. 1 is a perspective view of a conventional telephone line plug.

FIG. 2 is a cross-sectional view of a conventional telephone line plug not attached to a telephone line.

FIG. 3 is a cross-sectional view of a conventional telephone line plug attached to a telephone line.

FIG. 4 is an exploded perspective view of the present invention.

FIG. 5 is a perspective view of the present invention.

FIG. 6 is a plan view of the plug body in the present invention.

7 is a cross-sectional view taken along the line AA of FIG.

FIG. 8 is a plan view of a fitting piece according to the present invention.

9 is a sectional view taken along the line BB of FIG.

FIG. 10 is a partially enlarged view of the present invention.

[Explanation of symbols]

3 ... Telephone line plug 31 ... Plug body 32
... Fitting piece 6 ... Iron casing 311 ... Stop portion 313
・ ・ ・ Conductive metal piece 312 ・ ・ ・ Slot 314 ・ ・ ・ Predetermined space 61 ・
..Hook 310 ... Lock groove 5 ... Telephone line 321 ...
Core wire insertion conduit 322 ... Lock portion 3213 ... Hole 61 ...
Locking hook 310 ... Lock groove 62 ... Tail piece 51 ...
Core wire 326 ... Rear part 320 ... Front part 320
1 ... Locking protrusion 3221 ... Recessed edge 3222 ... Slope 3261
..Front edge 318 ... Above the rear wall

Claims (1)

[Scope of utility model registration request] 1. At least one plug body 31 and one fitting insert piece 32, wherein the plug body 31 is integrally formed with a stopper 311 for fitting and positioning with a socket of a telephone. Is formed, and eight slots 312 are formed at equal intervals on the front side of the plug body 31 for insertion of eight conductive metal pieces 313 by an automatic machine.
A predetermined space 314 communicating with the eight slots 312 is formed in the plug body 31, and the bottom of the plug body 31 is fitted with a corresponding hook 61 provided in an iron casing 6 described later. A lock groove 310 for positioning is provided, and the fitting insertion piece 32 is provided with the core wire insertion conduits 321 of the telephone wire 5 in the number corresponding to the number of slots on the front side of the plug body 31. Of the core wire insertion conduit 321 is provided with a protruding lock portion 322 at an appropriate position.
One hole 3213 is provided in the front portion of each of the plugs 321, and each hole 3213 communicates with each slot 312 on the front side of the plug body 31, and the fitting piece 32 projects toward both sides of the rear portion 326. It is a plate-shaped block body having a lock portion 322 which is convenient for holding and applying force, and one locking projection 3201 is provided on the front part 320 of the fitting insert 32, which is a predetermined space of the plug body 31. It is fitted correspondingly in the positioning fitting hole 3151 in 314, thereby reliably preventing the fitting insert piece 32 from deviating outward and moving, and
After the front part 320 of the plug is inserted into the plug body 31, the concave edges 3221 and the slopes 3222 of the locking parts 322 protruding on both sides of the rear part 326 of the fitting insert 32 are the convex edges 316 and the slopes on both sides of the plug body 31. Abutting, meshing, and the front side edge 32 of the rear stage portion 326 of the fitting insert 32.
61 also contacts the upper rear wall 318 of the plug body 31,
A telephone line plug having the above configuration.