KR200214725Y1 - Small Size Multipolar Flug - Google Patents

Abstract

The present invention relates to a multi-pole plug widely used in various audio equipment, video equipment, telephone exchange equipment, etc., in particular, multi-pole deployment type, which is more than 5 poles, is compact, and there is no fear of deterioration of connection between terminals and external lines and deformation of internal lines. The present invention relates to a small multipole floc having excellent properties.

The small multi-pole plug according to the present invention has a leaf hole having a shaft hole (16a) in the center that is fitted to the rear end of the front end terminal 10 so as to be located between the front end terminal 10 and the end terminal 15 of the end of the shaft terminal (11). A first insulating ring 16 shaped; A first peripheral terminal 12 integrated with an internal line 12b fitted to one point of a thick ring having a shaft hole 12a at a central portion fitted to the rear of the first insulating ring 16; It has a shaft hole 17a in the center of the first peripheral terminal 12 to be fitted to the rear, and on the flange 17b, an internal hole 17e is formed to penetrate the internal line 12b horizontally, and the rear insertion part 17c 2) a flanged tubular second insulating ring 17 having an extension groove 17d at its rear end; A second peripheral terminal (13) having an internal line (13a) at a rear end fitted to the insertion portion (17c) of the second insulating ring (17); Extension holes 18d and 18e for horizontally penetrating the inner stations 12b and 13a are formed at different positions on the flange 18b that contact the rear surface of the second insulating ring 17, and an insertion portion is formed at the rear thereof. A flanged tubular third insulating ring 18 formed with 18c; A third peripheral terminal (14) having an internal line (14a) at a rear end fitted to the insertion portion (18c) of the third insulating ring (18); An extension hole 19d having a shaft hole 19a at a central portion of the third insulating ring 18 that is in contact with the rear surface of the third insulation ring 18 and simultaneously allowing the extensions 12b, 13a and 14a to penetrate horizontally on the flange 19b. A flanged tubular fourth insulating ring 19 having a hole 19e) 19f formed therein and an insertion portion 19c formed therein; The rear end of each of the inner wires 12b, 13a, and 14a, which is composed of end terminals 15 fitted to the insertion portion 19c of the fourth insulating ring 19, to be fitted in close contact with each other and to connect the outer wires, is the end terminal. It is characterized in that the molding 20 is processed by injection molding so as to expose the same length to the rear of the (15).

Description

Small Size Multipolar Flug

The present invention relates to a multi-pole plug widely used in various audio equipment, video equipment, telephone exchange equipment, etc., in particular, multi-pole deployment type, which is more than 5 poles, is compact, and there is no fear of deterioration of connection between terminals and external lines and deformation of internal lines. The present invention relates to a small multipole floc having excellent properties.

In Fig. 5, the conventional small four-pole plug has a plurality of ring-shaped peripheral terminals 3 (4) and end terminals (5) inserted so that an insulating gap remains in the shaft terminal (2) inserted in the center of the rear surface of the tip terminal (1). It is loaded in the injection mold and insulated between the shaft terminal 2 and the peripheral terminals 3 and 4 and between the peripheral terminal 4 and the terminal 5 and between the leading terminal 1 and the peripheral terminal 3. Insulate each terminal by injecting insulating resin 6 into the gap, and soldering the outer wires 7 and 8 to the rear end of the shaft terminal 2, each of the peripheral terminals 3, 4, and the terminal 5. It was completed by molding the secondary molding (9) by connecting to the secondary injection step by connecting the method.

However, the small multipole floc of this structure has been an obstacle to miniaturization because the ring pore size has to be relatively large on the set side.

In addition, the existing Ø2.5 4-pole flocks were so high that the defective rate of the manufacturer reached 20-30% due to the limitations of the internal structure.

In addition, the current trend of technology development, change of use, and diversification of set function have the disadvantage that the structure of 4-pole plug cannot meet such demand.

The purpose of the present invention is to develop a 5-pole plug with a diameter of Ø2.5 4-pole, and to develop a 6-pole plug for Ø3.5. In addition, the present invention provides a small multi-pole floc that can contribute to reducing defects and improving assembly performance.

In order to achieve the above object, the small multi-pole plug according to the present invention has a first peripheral terminal having an internal extension between the distal end terminal of the shaft terminal end and the rear end terminal, and the internal penetration hole and the second peripheral terminal on the flange. A second insulating ring having an insertion portion, a second peripheral terminal inserted into the insertion portion of the second insulating ring as an internal extension type, and an extension hole for internal penetration at different positions on an imaginary arc of the flange; A third insulating ring having a peripheral terminal insert formed therein; a third peripheral terminal having an internal extension at the rear end; and an internal hole for radially dispersing the internal lines through the flange of the front end; Insert the fourth insulation ring so that the rear end of each inner wire is exposed to the same length as the rear end of the terminal and connect the outer wire to each terminal, It is configured such that processes.

1 is an exploded view of a multi-pole floc according to the present invention

Figure 2 is a longitudinal cross-sectional view of the provisional assembly state

3 is a longitudinal cross-sectional view after assembly

4 is an enlarged cross-sectional view taken along the line A-A of FIG.

5 is a longitudinal cross-sectional view of a conventional multipole floc;

<Explanation of symbols for main parts of the drawings>

10: tip terminal 11: shaft terminal

12: 1st peripheral terminal 12b, 13a, 14a: extension

13: 2nd peripheral terminal 14: 3rd peripheral terminal

15: terminal 16: first insulating ring

17: 2nd insulating ring 17b, 18b, 19b: flange

17c, 18c, 19c: Insertion part 17d: Extension groove

17e, 18d, 18e, 19d, 19e, 19f

18: third insulating ring 19: fourth insulating ring

In FIG. 1, a small multi-pole plug of five or more poles according to the present invention has a front end terminal 10, a shaft terminal 11, peripheral terminals 12, 13, 14, and a terminal terminal 15 and an insulating ring 16. It is a combination with (17) (18) (19).

Here, the front end terminal 10, the shaft terminal 11 and the end terminal 15 is not different from the existing 4-pole plug.

The first peripheral terminal 12 is integrated by inserting the internal extension 12b at one point of the thick ring having the shaft hole 12a for fitting into the shaft terminal 11 at the center.

In addition, the second and third peripheral terminals 13 and 14 have a plate shape having an arcuate cross section at one end of the thin-walled ring having an inner diameter which, when assembled, can pass through the inner line 12b without touching the inner surface thereof. The internal lines 13a and 14a are integrally formed, and they are selected after considering that the rear ends of the internal lines 13a and 14a exposed to the rear of the terminal 15 are located at the same distance from the front terminal 10. The basic structure is the same as the front extension 13a has a longer difference by the position difference therebetween.

The first insulating ring 16 located between the tip terminal 10 and the first peripheral terminal 12 has a thin heat resistance in the shape of a leaf formed by opening a shaft hole 16a of a size sufficient to be fitted to the shaft terminal 11 at a central portion thereof. Flange tube made of synthetic resin.

The second insulating ring 17 that insulates between the first peripheral terminal 12 and the second peripheral terminal 13 also has a central hole 17a for fitting into the shaft terminal 11 at the center thereof and the first insulating ring ( A second peripheral terminal insertion portion 17c is formed behind the flange 17b of the same thickness as the second peripheral terminal 13 which is tightly fitted to the second peripheral terminal 13, and the second peripheral terminal ( An extension groove 17d is formed to enter the extension line 13a of the extension line 13a, and at one point of the flange 17b, an internal hole 17e for horizontally penetrating the extension line 12b of the first peripheral terminal 12 is drilled. One flange is tubular.

Here, the extension grooves 17d and the hole 17e are different in position on the circumference so that the extensions 12b and 13a cannot be in physical contact, and their preferred circumferential angle is about 120 °.

The third insulating ring 18 to insulate the second peripheral terminal 13 and the third peripheral terminal 14 penetrates the shaft hole 18a for fitting to the shaft terminal 11 at the center thereof, and the first insulating ring 16. A third peripheral terminal insertion portion 18c is formed on the rear side of the flange 18b of the same thickness as the third peripheral terminal 14. The internal extension of the first peripheral terminal 12 is formed on the flange 18b. 12b) and a flanged tubular shape which drilled through the inner holes 18d and 18e to horizontally penetrate the inner line 13a of the second peripheral terminal 13.

The internal holes 18d and 18e are equal to the angles of the internal holes 17e and the internal grooves 17d of the second insulating ring 17.

The third peripheral terminal 14 and the terminal terminal 15 and the fourth insulating ring 19 to insulate the shaft terminal 11 and the terminal terminal 15 at the same time are provided with shaft holes 19a for fitting the shaft terminal 11 to the center thereof. ) And end terminal insertion portion 19c which is fitted closely to the end terminal 15 behind the flange 19b of the same thickness as the first insulating ring 16 and formed on the flange 19b. Extension holes 19d and 19e for simultaneously passing horizontally through the inner line 12b of the terminal 12, the inner line 13a of the second peripheral terminal 13 and the inner line 14a of the third peripheral terminal 14, respectively. It is a flanged tubular tube (19f).

The angles of these extension holes 19d, 19e, and 19f are around 120 °, and in particular, the angles of the extension holes 19d and 19e coincide with the angles of the extension holes 18d and 18e. Allow (13a) to be parallel and straight through.

Next, the assembly procedure of the said component is demonstrated with reference to FIG.

First, the inner hole 17e of the second insulating ring 17 is inserted into the shaft terminal 11 in which the tip terminal 10 is fitted at the tip, and is inserted from the first insulating ring 16 and the first peripheral terminal 12, and lies about halfway. ) Is fitted to the rear end of the extension (12b) and then the shaft hole (17a) is fitted to the shaft terminal (11).

Subsequently, while inserting the second peripheral terminal 13 into the insertion portion 17c of the second insulating ring 17, the end of the extension 13a is fitted into the extension groove 17d so as to be fully inserted therein, followed by the third The inner holes 18d and 18e of the insulating ring 18 are aligned with the rear ends of the inner lines 12b and 13a and inserted into the shaft terminals 11 so that the front surface of the insulating ring 18 contacts the rear surface of the second insulating ring 17. do.

This time, the third peripheral terminal 14 is inserted into the shaft terminal 11 and inserted into the insertion portion 18c of the third insulating ring 18, and the extension hole 14a is positioned in the extension hole of the fourth insulating ring 19. Position according to 19f).

The fourth insulator 19 has the shaft terminal 19d at its extension 12b, another extension 19e at its extension 13a, and another extension hole 19f at its extension 14a. (11) so that the front surface contacts the rear surface of the third insulating ring (14).

In this way, the first insulating ring 16 to the fourth insulating ring 19 is preliminarily inserted, and then the fourth insulating ring 19 is pushed forward to bring it into close contact with the insertion portion of the fourth insulating ring 19 ( Insert the terminal terminal 15 into 19c) and load it into the injection molding machine so that only the rear end of each of the inner stations 12b, 13a and 14a is ejected from the rear of the terminal terminal 15 so as to easily connect the outer line later, and molding 20 Process.

In addition, the external terminal is connected to the rear end of the shaft terminal 11, each of the inner lines 12b, 13a, 14a and the terminal terminal 15, and the secondary molding is performed after the flange of the terminal terminal 15 through the secondary injection process. (9) A five-pole floc with a smaller number of poles than the conventional four-pole as shown in Fig. 3 is obtained.

Each extension 12b, 13a, 14a of the completed 5-pole floc is distributed in three directions on the same virtual circumference, as shown in Fig. 4, so that the extension is not increased without increasing the outer diameter of the peripheral terminal and the insulation ring after the second peripheral terminal. It can accommodate all of them.

The small multi-pole plug according to the present invention can obtain a 5-pole plug at the outer diameter of the same condition as well as a Ø2.5 4-pole plug by applying the structure of the surrounding terminal and the insulation ring as described above. It also has the advantage of being able to provide a six-pole plug.

In addition, when assembling a plurality of insulating rings and peripheral terminals in order, the internal wires of the priority peripheral terminals are supported by the internal holes of the subordinated insulating rings so that the internal wires are not bent or damaged during the assembly and the first and second molding processes. It is a very useful design with the effect that the assembly of can be obtained and the manufacturing time per unit is much shorter.

Claims (1)

A leaf-shaped first insulating ring 16 having a shaft hole 16a at a central portion fitted behind the tip terminal 10 so as to be located between the tip terminal 10 and the end terminal 15 at the tip of the shaft terminal 11. )and; A first peripheral terminal 12 integrated with an internal line 12b fitted to one point of a thick ring having a shaft hole 12a at a central portion fitted to the rear of the first insulating ring 16; It has a shaft hole 17a in the center of the first peripheral terminal 12 to be fitted to the rear, and on the flange 17b, an internal hole 17e is formed to penetrate the internal line 12b horizontally, and the rear insertion part 17c 2) a flanged tubular second insulating ring 17 having an extension groove 17d at its rear end; A second peripheral terminal (13) having an internal line (13a) at a rear end fitted to the insertion portion (17c) of the second insulating ring (17); Extension holes 18d and 18e for horizontally penetrating the inner stations 12b and 13a are formed at different positions on the flange 18b that contact the rear surface of the second insulating ring 17, and an insertion portion is formed at the rear thereof. A flanged tubular third insulating ring 18 formed with 18c; A third peripheral terminal (14) having an internal line (14a) at a rear end fitted to the insertion portion (18c) of the third insulating ring (18); An extension hole 19d having a shaft hole 19a at a central portion of the third insulating ring 18 that is in contact with the rear surface of the third insulation ring 18 and simultaneously allowing the extensions 12b, 13a, 14a to pass through the flange 19b at the same time; 19e) (19f) perforated and flanged fourth insulation with backside insert 19c A ring 19; The rear end of each of the inner wires 12b, 13a and 14a, which is composed of end terminals 15 fitted to the inserting portion 19c of the fourth insulating ring 19, is fitted in close contact with each other and connects the outer wires. Small multi-pole floc, characterized in that the molding 20 is processed by injection to expose the same length to the rear of (15).