KR200183187Y1 - Cable connector - Google Patents

Abstract

The cable connector according to the present invention comprises an insulated housing having terminal cavities laterally arranged in two or more parallel rows, each receiving a terminal connected to a core conductor of a selected insulated wire in the cable. The terminal has a crimping barrel formed on the base side of the terminal for pinching the end of the selected insulated wire and a hollow socket formed on the front end of the terminal for receiving the selected pin terminal of the mating connector. The socket has a lance protruding from opposite sidewalls of the terminal and spread toward the rear of the terminal. Each terminal cavity has a coupling recess formed on opposing sidewalls facing the lanced terminal opposing sidewalls when the terminal is inserted into the selected terminal cavity. Each terminal whose core conductor is crimped by the crimping barrel is inserted into the terminal cavity until the lance is engaged with the recess to prevent the wire cable from being removed from the cable connector.

Description

Cable connector {CABLE CONNECTOR}

The present invention relates to a cable connector having terminals each connected to a selected core conductor in a wire cable and received in a terminal cavity.

This type of cable connector includes an insulated housing, each containing a selected terminal and having terminal cavities laterally arranged in two or more parallel rows. Each terminal is formed with a knife-edged beam on the base side, and the selected core conductor in the wire cable carries the selected insulated core conductor of the wire cable until the edge of the beam is inserted into the insulator of the insulated core conductor. It may be connected to the terminal by pressing between the blade forming terminal beams. The plurality of core conductors may be simultaneously connected to the corresponding plurality of terminals. In order to insert and securely retain the terminal in the terminal cavity of the insulating housing, the terminal is formed with a lance near the blade forming beam, and the terminal cavity is recessed or U formed such that the lance of the terminal is coupled with the recess in the terminal cavity. A magnetic space is formed inside.

Such cable connectors need to be designed such that the blade forming beam can have a space wide enough to allow the core conductor to pinch between the sharp opposing edges of the beam. Therefore, terminals of different sizes need to be provided to be connected to core conductors of different sizes. However, the space between the crimping beams is too wide to reliably retain the selected core conductor, and thus there is a tendency for reliable electrical connection not to be made.

In view of the above, it is an object of the present invention to provide a cable connector capable of ensuring a reliable connection of a wire cable to a core conductor regardless of the core size of the conductor.

In order to achieve this object, the cable connector according to the present invention uses a terminal in which a crimping barrel is formed in the rear portion, whereby the terminal is connected to the core conductor of the wire cable regardless of the size of the core conductor.

Specifically, a cable connector with an insulated housing having terminal cavities laterally arranged in two or more parallel rows each receiving a selected terminal connected to the core conductor of the selected insulated wire in the wire cable is characterized by the following features: It is improved according to the design. That is, the terminal has a crimping barrel formed in the rear portion of the terminal for pinching the end of the insulated wire selected from the wire cable, and a hollow socket formed on the front end of the terminal for receiving the selected pin terminal in the mating cable connector, The hollow socket has a lance protruding from opposite sidewalls of the terminal and spreading toward the rear of the terminal. Each terminal cavity has a capture recess formed on opposing sidewalls facing the lanced terminal opposing sidewalls when the terminal is inserted into the selected terminal cavity, each of which the core conductor of the selected insulated wire is connected by a crimping barrel. The terminal of is inserted into the terminal cavity until the lance is engaged with the recess to prevent the wire cable from being pulled out of the cable connector.

Crimping of the ends of each core conductor to the selected terminals can be performed regardless of the size of the core conductor, so that a single type of terminal can be used commonly for different sizes of core conductors, ensuring reliable terminal-to-cable connection Can be.

The terminal has a larger cross section in the rear portion than on the front portion. Since each terminal cavity is formed to match the tapered terminal contour, the distance of the rear end to the rear end in the lateral arrangement of the terminals in the insulating housing is shorter than the distance of the front end to the front end. With this geometric spacing difference, each recess is sufficient to ensure that the selected lance is securely captured to prevent the terminal from falling out of the insulating housing because the adjacent recess is formed in a relatively thick region between adjacent terminal cavities. It may be formed deeply.

One of the lances may be integrally connected to one of the opposing sidewalls of the terminal at the high position and the other lance may be integrally connected to the other sidewall of the terminal at the lower position, and one of the recesses may be connected to the terminal cavity at the corresponding high position. May be formed on one of the opposing sidewalls of and another recess may be formed on the other sidewall of the terminal cavity at the corresponding low position. The staggered arrangement of lances and mating recesses effectively reduces the terminal-to-terminal spacing and makes it possible to effectively withstand rotational moments that may occur when in-output is applied to the terminals.

Other objects and advantages of the present invention will be understood from the following description of a cable connector according to a preferred embodiment of the present invention shown in the accompanying drawings.

1 shows a terminal and a terminal cavity showing a terminal cavity cut longitudinally into two halves located on opposite sides of the terminal according to the present invention;

FIG. 2 is a terminal and terminal cavity viewed from 90 ° of the terminal and terminal cavity of FIG. 1 similarly showing a terminal cavity cut and separated longitudinally into two halves located on opposite sides of the terminal according to the present invention; Drawings showing.

Figure 3 is a front view of the insulated housing of the cable connector according to the present invention.

Figure 4 is a side view of the insulating housing according to the present invention.

5 is a plan view of an insulated housing according to the present invention.

Figure 6 is a bottom view of the insulating housing according to the present invention.

Figure 7 is a longitudinal sectional view of the insulating housing according to the present invention.

Figure 8 is another longitudinal sectional view of the insulating housing according to the present invention.

9 is a plan view of a terminal according to the present invention.

10 is a side view of a terminal according to the present invention.

Figure 11 is another side view of the terminal according to the present invention.

12 is an enlarged longitudinal sectional view of a terminal according to the present invention.

Figure 13 is a front view of the cover of the cable connector according to the present invention.

Figure 14 is a side view of the cover according to the present invention.

Figure 15 is a plan view of the cover according to the present invention.

Figure 16 is a longitudinal cross-sectional view of the cover according to the present invention.

<Explanation of symbols for main parts of the drawings>

1: housing

2: joint

3: terminal

4: socket

4a, 4b: sidewalls

5: crimping barrel

6: strain relief strip

7: wire cable

8: insulated wire

9: insulation

11a, 11b: Lance

12: socket receptacle section

12a, 12b: opposite sidewalls

13: barrel receptacle section

14a, 14b: recess

1 and 2, the terminal 3 has a rectangular hollow socket 4 formed on the front side to accommodate the selected pin terminal of the mating connector (not shown), and the selected insulation of the wire cable 7. A crimping barrel 5 formed on the rear side for pinching the core conductor 10 of the wire 8 and a strain relief pad 6 formed adjacent to the crimping barrel 5. One end of the insulated wire 8 is peeled off by removing the insulator 9, thereby exposing the core conductor 10. The exposed core conductor 10 is crimped by the crimping barrel 5 and the insulation wire 8 is crimped by the strain relief strip 6. In this way, the insulated wire 8 of the wire cable 7 is connected to the terminal 3.

The rectangular hollow socket 4 has lances 11a and 11b which protrude from the opposite sidewalls 4a and 4b of the socket and open toward the rear of the terminal. The first lance 11a is formed at a position higher than the centerline of the right side wall 4a as seen from the rectangular hollow socket 4 side where the insulating housing 1 receives the pin terminal of the mating connector, and the second lance 11b. Is formed at a position lower than the centerline of the left wall 4b as viewed from the pin terminal accommodating side of the insulating housing 1 (see Fig. 2).

The insulating housing 1 has a plurality of terminal cavities 2. Each terminal cavity 2 has a socket receptacle section 12 for receiving a rectangular hollow socket 4 of a terminal 3 and a barrel receptacle section 13 for receiving a crimping barrel 5 of a terminal 3. It consists of. The terminal cavity 2 has a U-shape formed on the opposing sidewalls 12a and 12b facing the lanced terminal 3 opposing sidewalls 4a and 4b when the terminal is inserted into the terminal cavity 2. Space or recesses 14a and 14b. According to the staggered arrangement of the opposing lances 11a and 11b, the capture recesses 14a and 14b have a position where the first recess 14a is higher than the centerline of the right wall 12a and the second capture recess ( 14b) is formed on the opposing sidewalls 12a and 12b so as to be at a position lower than the centerline of the left wall 12b as viewed from the pin terminal accommodating side of the insulating housing 1 (see Fig. 2).

In connecting the wire cable 7 to the cable connector to provide a harness assembly, as described above, first of all, the end of each insulated wire 8 is peeled off by removing the insulator 9, The core conductor 10 is exposed, and then the stripped insulated wire 8 is connected to the terminal 3 selected by the crimping barrel 5 and the strain relief strip 6. Next, the terminal 3 is positioned when the rectangular hollow socket 4 is located in the socket receptacle section 12 of the terminal cavity 2 with the lances 11a and 11b engaged with the recesses 14a and 14b. Is inserted into the selected terminal cavity 2 from the rear side of the insulating housing 1. The engagement by the lances 11a and 11b effectively prevents the cable 7 from falling out of the housing 1.

Since the wire-to-terminal connection is carried out by the crimping barrel 5, a reliable connection can be guaranteed regardless of the wire size present.

As can be seen from FIG. 1, the barrel receptacle section 13 of the terminal cavity 2 is larger in cross section than the socket receptacle section 12. Thus, the distance T between adjacent socket receptacle sections is greater than the distance T between adjacent barrel receptacle sections 13. The opposing lances 11a and 11b and the capture recesses 14a and 14b are arranged in a relatively large portion of the insulating housing 1 to separate the socket receptacle section 13 so that each lance is defined by the housing 1. Each recess 14a or 14b is formed deep enough to ensure mating.

It is advantageous to use two or more lances in order to distribute the output power which may be applied to the terminal 3 to reduce the force applied to each lance. Also advantageously, the moment of rotation to the terminal, which may be generated when in-output is applied to the terminal, may be reduced.

The staggered arrangement of the lances and engagement recesses results in a minimum cavity-to-cavity spacing (T). Specifically, the distance between adjacent terminal cavities in the insulating housing 1 may be reduced such that the upper and lower recesses 14a and 14b are formed deep enough to ensure good gripping of the lances 11a and 11b. Thus, the terminal 3 can be mounted in the insulating housing 1 with high density, and the overall size of the cable connector can be reduced.

3 to 8, the insulating housing 1 is molded from an insulating plastic material into a mold die. In this figure, the insulating housing 1 has five layers of parallel terminal cavities with five cavities in each layer. The recesses 14a and 14b extend to the open ends of the terminal cavities 2 on the pin terminal accommodating side of the insulating housing 1. As shown, an opening 15 is formed in the cavity to cavity space.

As will be explained next, the insulating housing 1 has a joining protrusion 16 formed on the top and bottom surfaces 1a and 1b on the rear side for capturing and retaining the lid.

The housing also has guide protrusions 17 formed on the top and bottom surfaces 1a and 1b extending from the center to the pin terminal receiving end to guide the mating cable connector.

As can be seen from Figs. 9 to 12, the terminal 3 may be stamped from sheet metal. As can be seen from Fig. 12, the rectangular hollow socket 4 has a ceiling wall 4c of the socket 4 for pinching the selected pin terminal between the cantilevered contact piece 18 and the raised portion of the bottom wall 4d. It has a spring contact piece 18 extending from). 13 to 16, the cover 19 used on the rear side of the insulating housing 1 has upper and lower surfaces 19a and 19b for engaging with the latching protrusion 16 of the insulating housing 1. It is a box-shaped molded piece made of an insulating plastic material having an engaging slot 20 formed thereon. In addition, the cover is formed along a circular hole 21 formed on the rear wall 19c to allow the wire cable 7 to penetrate therethrough, and a quarter of the area of the circular circumference 21 to protrude backward. It has a support 22. In connecting the insulated wire 8 to the terminal 3, as described above, a wire cable 7 is inserted into the circular hole 21 to connect each wire 8 to the selected terminal. After all the wires 8 are connected to the terminals, the cover 19 is used for the insulating housing 1, and then the cable 7 is coupled to the cantilevered cable support 22 with a strap (not shown).

The cover 19 is large enough to accommodate a single insulated housing. The cover may be designed large enough to accommodate two or more insulated housings arranged in layers, and the number of circular holes 21 and cable supports 22 depends on the number in which the insulated housing 1 is accommodated.

3 and other figures show terminals arranged to form a lattice arrangement. However, the terminals may be arranged laterally to form a single layer.

According to the present invention, a cable connector is provided which can ensure a reliable connection of a wire cable to a core conductor regardless of the core size of the conductor.

Claims (2)

A cable connector comprising an insulated housing having terminal cavities laterally arranged in two or more parallel rows each receiving a terminal connected to a core conductor of a selected insulated wire in a wire cable, the cable connector comprising: The terminal comprises a crimping barrel formed on the base side of the terminal for pinching the end of the selected insulated wire, and a hollow socket formed on the tip for receiving the selected pin terminal in the mating cable connector, The hollow rectangular socket has a lance protruding from the opposite sidewalls of the terminal and extending toward the base of the terminal, each terminal cavity having an opposite sidewall of the terminal cavity to engage with a lance on the sidewall of the terminal when the terminal is inserted into the selected terminal cavity. Has a coupling recess formed on the field, Wherein each terminal whose core conductor is crimped by the crimping barrel is inserted into the terminal cavity until the lance is respectively engaged with the recess, thereby preventing the wire cable from being pulled out of the cable connector. The method of claim 1, wherein one of the lances is integrally connected to one of the opposing sidewalls of the terminal at the high position and the other lance is integrally connected to the other sidewall of the terminal at the lower position, one of the coupling recesses correspondingly. Wherein the other recess is formed on one of the opposing sidewalls of the terminal cavity at a high position and the other capture recess is formed on the other sidewall of the terminal cavity at a corresponding low position.