JPS5926759Y2 - Solderless straight connection - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to an improvement of a solderless linear connection.

Conventionally, when connecting cable shielding layers to each other at a straight cable connection section, a lead wire was wound around the shielding layer and soldered.

However, this method has disadvantages, such as poor soldering, which may damage the cable insulator, and poor electrical connection due to incomplete soldering.

As an improved method of this soldering method, there is a solderless connection method as shown in FIG.

This solderless connection method involves stripping the plastic cable to be connected, inserting the rubber bushing 6 and the insulating tube 7 into one side of the group in advance, and then pressing the button.

Next, the spring 5 is fitted onto the barrier layer 10, the spacer 4 is inserted onto the internal semiconductive layer 11 button and the insulator 10, the conductor 1 is connected with the compression sleeve 2, and the sleeve cover 3 is placed over the sleeve 2. .

Then, the insulating tube 7, which had been inserted into the goople in advance, is moved to the center of the connection part, the rubber bushings 6 are inserted into both ends of the insulating tube 7, and the insulating tape 8 is wrapped to complete the connection.

13 is a ring-shaped metal fitting embedded in the insulating cylinder 7;
Reference numeral 4 denotes a vertical metal tape for electrically connecting the left and right ring-shaped fittings 13.

With this structure, the left and right cable and button shielding layers 10 are electrically connected through the spring 5, the ring-shaped metal fitting 13 button, and the vertical metal tape 14.

The non-solder linear connection described above has poor workability because it is hidden and cannot be seen to see if the spring 5 is properly installed at a predetermined position.

In addition, since the outer diameter of the spring 5 is usually larger than or the same as the inner diameter of the insulating tube 7, the inner surface of the insulating tube 7 is scratched when the insulating tube 7, which has been inserted in advance on the group side, is moved to the center of the connection part. Attaching it will deteriorate the electrical characteristics.

Furthermore, since the spring 5 on the side into which the insulating tube 7 has been inserted in advance has to pass through almost the entire length of the insulating tube 7 when moving the insulating tube 7 to the center of the connection part, the cable shielding layer is damaged by the friction caused at that time. There is a risk that it will fall out of the top 10.

Moreover, since the insulating cylinder 7, which has a large side in both thickness and length, is moved, there are drawbacks such as the inability to feel it in the hand even if the spring comes off.

The present invention is a solderless straight line connection part that overcomes these drawbacks.

The present invention will be explained below using the embodiment shown in FIG.

The same numbers as in FIG. 1 indicate the same parts, 1 is the goofle conductor, 2 is the sleeve for connecting the conductor, 3 is the sleeve cover, 41
/''i spacer 5, spring 7 is an insulating tube, and the inner diameter of this insulating tube 7 is larger than the outer diameter of the spring 5 in its free state.

Further, metal tubes 15 are fixed to both ends of the insulating tube 7, and the two metal tubes 5 are connected by, for example, a vertical metal tape 14.

The inner diameter of this metal tube 5 is equal to the inner diameter of the insulating tube 7, and the outer periphery of the end portion is threaded.

Reference numeral 16 denotes an end fitting, which has a cylindrical shape on the inside, and its inner diameter is smaller than the outer diameter when the spring is in its free state.The outer circumference of the rear part is tapered, and the inner circumference of the tip has a screw for screwing into the metal tube 5 mentioned above. It's cut.

17 is a rubber bushing placed on the outside of the end fitting, 18.19
2 is an insulating tape winding portion, and 20 is a conductive tape.

Next, the assembly method of the present invention will be explained.

Strip the cables that are connected to each other in stages, and attach the end fittings 1.
Insert the rubber bushing 17 with 6 into each cable.

Next, insert the insulating tube 7 into one of the grooves and press the button.

Then, insert the spring onto the goofle shielding layer,
Spacer 4 is made of goofle insulator 12:11. , - and fit onto the internal semiconductive layer 11 3 Then, after compression-connecting the conductor 1 with the sleeve 2 and covering it with the sleeve cover 3, insert the insulating tube T, which has been inserted into one side of the group and pressed in advance, into the center of the connection part. The end fitting 16 of the rubber bushing 17 with an end fitting is screwed into the metal cylinder 15, and the insulating tape 18. After winding Ii, the connection is completed.

The buttons and conductive tape may be omitted.

As described above, in the solderless linear connection of the present invention, the springs are pressed by the end fittings by simply screwing the end fittings into the metal tubes fixed at both ends of the insulating tube, and the left and right cable shielding layers are connected to the spring 5. , the end fittings 16, the metal cylinder 15, and the longitudinal tape 14, and are electrically connected completely.

Furthermore, since the inner diameter of the insulating tube is larger than the outer diameter of the spring in its free state, the insulating tube does not come into contact with the spring when moving to the center.

Therefore, there is no possibility that the inner surface of the insulating cylinder will be damaged, and there is no risk that the spring will come off the button cover layer.

Furthermore, fit the rubber bushing with the end fitting onto the spring,
Since it is screwed into a metal tube, there is far less risk of the spring coming off the top of the goople jacket layer than in conventional models.

Even if the spring were to move when attaching the end fitting, the movement distance is short, so it is within the allowable range, and there are many excellent effects such as no problems with electrical connection.

[Brief explanation of the drawing]

FIG. 1 is a sectional view of a conventional example, with the lower half omitted. FIG. 2 is a sectional view of the present invention. 5... Spring,
7... Insulating cylinder, 10... Cable shielding layer, 15
...Metal tube, 16...End fitting, 17...Rubber bushing 18.19...Insulating tee 7”s turn part.

Claims (4)

[Scope of utility model registration request] (1) An end fitting is fitted into a spring inserted on the cable shielding layer, and the ends of the end fitting are removably connected to metal tubes fixed to both ends of the insulating tube. Solderless straight connection. (2) The solderless linear connection portion according to claim 1, wherein the outer periphery of the end fitting is covered with a rubber bushing. (3) The solderless linear connection section according to claim 1, wherein the outer diameter of the spring in its free state is larger than the inner diameter of the end fitting and smaller than the inner diameters of the metal cylinder and the insulating cylinder. . (4) The solderless linear connection portion according to claim 1, wherein the end fitting and the metal tube are connected to each other by screwing and being detachable.