JP2001196133A - Fitting method of connector and connector by this fitting method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a connector having a structure in which it is easy to be inserted even if an insertion port is miniaturized and in which a false insertion can be prevented in the connector consisting of a connector plug and a connector jack. SOLUTION: An insertion guide port of plug contact of the connector plug side wherein the connector plug is inserted into the connector jack so as to get an electric connection in the geometry be able to decide within a size error, and the contact measures which has been installed in the vicinity of the intermediate position in a depth direction of the plug contact is made to fit in contact with the fitting part of the connector jack.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of mating a connector and a connector, and more particularly, to a mating method of a plug and a jack for reducing damage to a pin without changing a conventional pin configuration which is a plurality of contact portions. Method and connector

[0002]

2. Description of the Related Art As shown in FIG. 12, a conventional connector has a connector plug 1 having a plurality of contact pins.
0, and a connector jack 50 that can make electrical connection by contacting the plurality of contact pins. The connector plug 10 includes a housing 11 molded with a resin formed in a substantially square shape, and a rectangular elastic engagement portion having a crack at a part of a front position of the housing 11 and having a crack and having a widened lower side. A plug contact 12 having a plurality of contact plates arranged in a state arranged inside thereof and a cable 13 on the opposite side to the plug contact 12 is formed. The connector plug 10 will be described later in detail. The connector jack 50 has a contact fitting portion 52 covered with a jack locking member 51 formed of a metal member, and a plurality of contact pins arranged inside the contact fitting portion 52 in an aligned state. And a jack contact 53. The connector jack 50 will be described later in detail.

[0003] As shown in FIG. 13, the connector plug 10 is formed of resin in two stages, has a grip portion 14 at the end on the cable 13 side, and has a plug contact 12 into which a jack contact 53 of a connector jack 50 is fitted. Is provided.

The plug contacts 12 are shown in FIGS.
As shown in FIGS. 16 to 18, a metal guide portion 15 provided on the outermost side and a contact plate engaging portion 16 formed by molding a rectangular cylindrical resin inside the guide portion 15 are provided. And a plug insertion port is formed at the end of the guide portion 15. A locking hole 17 which is located above the guide portion 15 and is inserted in the insertion depth direction so that the plug contact 12 of the connector plug 10 can be inserted and removed when the plug contact 12 is inserted.
And an insertion end 18 having a chamfered end shown in FIG. 16 to facilitate the insertion guide, and a slit 1 at the center of the bottom.
9 is bent inward to form a guide for preventing reverse insertion, and a side surface portion 20 is opened outward with respect to the slit 19 to form a downward-opening elastic contact guide portion. Consists of When the slit 19 is provided and the structure is opened downward as described above, the dimension crossing of the width of the bottom cannot be determined, and thus the value is simply determined as the value of the crossing.

As shown in FIGS. 19 to 21, the contact plate engaging portion 16 is provided with a contact plate guide convex portion 21 which is an inner bottom surface of a hollow internal space and is aligned in the depth direction. In this structure, four contact plates 22 are arranged between the contact plate guide projections 21 to form a plurality of contact portions.

Next, the connector jack 50 will be described. The connector jack 50 is, as shown in FIGS. 22 and 23, a jack locking member 5 which is a metal locking member.
1 has a contact fitting portion 52 which is formed in a cavity, and a contact pin 54 is disposed at the center position of the cavity inside the contact fitting portion 52 so as to face downward. A contact pin engaging portion 55, a lid portion 56 provided at an upper position of the contact fitting portion 52 and formed of a metal member, and informs the user of the insertion of the plug in the lid portion 56 with a click feeling; And a resilient locking member 57 formed by bending a plate member for fitting into a K shape. The distal end of the contact fitting portion 52 is a plug insertion opening 58 for guiding the insertion of the plug contact 12 of the connector plug 10, and the size thereof is created based on a fixed fixed dimension intersection.

The plug insertion opening 58 has a structure in which a metal member is formed in a substantially square shape, and a reverse insertion preventing convex portion 59 bent inward is provided at the center of the bottom portion. It has a fixed shape determined to a fixed size.

In such a configuration, the contact pin 54 provided at the contact pin engaging portion 55 disposed at an intermediate position in the depth direction in the contact fitting portion 52 is arranged in an elastic state with the front end side of the contact pin 54 facing downward. The elastic locking member 57 provided on the ceiling surface in the contact fitting portion 52 is disposed in an elastic state with the distal end side facing downward (in the cavity of the contact fitting portion 52).

Next, the operation of inserting the connector plug 10 into the connector jack 50 having the above-described configuration and structure will be described with reference to FIG.

First, the insertion end portion 18 of the guide portion 15 of the connector plug 10 is aligned and inserted into the plug insertion opening 58 of the connector jack 50. At this time, as shown in FIG. 14, the insertion end 18 on the contact plug side has a structure in which the lower side is provided with a slit 19 on the lower side and has a wide lower opening, so that the lower opening state is as shown in FIG. Then, the lower side of the side wall surface 20 of the guide portion 15 is pushed inward to be inserted from the trapezoidal shape to the rectangular shape. That is, at the time of insertion, the contact plate 22 and the contact pin 54 are electrically connected by pressing the inner wall surface of the plug insertion opening 58 in the depth direction while pressing the inner wall surface of the plug insertion opening 58 at the side surface portion 20 of the guide portion 15, and at the same time, The elastic locking member 57 is fitted into the mating hole 17, and the fitting state is obtained with a click feeling. When pulling out, the elastic locking member 57
Is removed from the locking hole 17, the connector plug 10 can be pulled out from the connector jack 50 by pulling it out while obtaining a feeling of only the contact force of the side surface portion 20 of the guide portion 15.

[0011]

However, in the connector plug described in the prior art, even if the size of the component is reduced, it is easy to insert it functionally, that is, a so-called downward opening structure using a slit in the guide portion. Therefore, the dimensional intersection on the bottom side of the guide portion cannot be determined, and the intersection is gradual. Therefore, even if the slit portion functions as a guide in the insertion direction, there is a problem that if the slit portion is pressed strongly, it may be inserted in the opposite direction.

Therefore, in the connector fitting structure which is downsized, it is necessary to ensure that the insertion direction is not wrongly inserted in the initial fitting and that the fitting state is assured. Have issues that must be met.

[0013]

Means for Solving the Problems To solve the above-mentioned problems, a connector fitting method and a connector according to the present invention are configured as follows.

(1) A connector plug is inserted into a connector jack to obtain an electrical connection. An insertion guide opening of a plug contact on the connector plug side is formed in a shape that can be determined by dimension crossing, and is located near an intermediate position in the depth direction of the plug contact. A method of fitting a connector, wherein the provided contact means is brought into contact with the contact fitting portion of the connector jack to be fitted. (2) The method of fitting a connector according to (1), wherein the connector plug and the connector jack have a plurality of contact portions for obtaining an electrical connection. (3) The connector according to (1), wherein the insertion guide port has a fixed shape whose size is not elastically deformed, whereas the contact means has a variable shape that is elastically deformed. Mating method. (4) The method of fitting a connector according to (1), wherein the plug insertion opening of the connector jack to be fitted with the insertion guide opening of the connector plug has a shape whose dimension crossing can be determined. (5) A connector plug having a plug contact for electrical connection and a connector jack having a contact fitting portion for fitting the connector plug, wherein the plug contact of the connector plug is the connector An insertion guide opening having a shape capable of determining a dimension crossing to be inserted into the jack; and a contacting means capable of contacting a contact fitting portion of the connector jack near an intermediate position in a depth direction. Connector to be. (6) The connector according to (5), wherein the connector plug and the connector jack have a plurality of contact portions for obtaining an electrical connection. (7) The connector according to (5), wherein the insertion guide port has a fixed shape whose size does not elastically deform, whereas the contact means has a variable shape that elastically deforms. (8) The connector according to (5), wherein the plug insertion port of the connector jack that fits into the insertion guide port of the connector plug has a shape whose dimensional intersection can be determined.

As described above, the insertion guide opening of the connector to be initially fitted has a shape capable of determining the dimensional intersection, so that the insertion can be performed even if the insertion direction is wrong at the time of the fitting or if the plugging action is erroneously performed. It is not possible to secure the fitting state of the connector. The insertion state can be maintained.

[0016]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a connector according to a first embodiment of the present invention; The same components as those in the prior art will be described with the same reference numerals.

As shown in FIG. 1, the connector according to the first embodiment has a connector jack 50 having a female jack contact 53 which is locked in a predetermined position by a metal jack locking member, and a resin. And a connector plug 10 having a male plug contact 12 attached to the formed housing 11.

The connector jack 50 has the same structure as that shown in FIGS. 22 and 23 described in the related art, and briefly describes a jack locking member 5 formed of a metal member.
1 and a contact fitting portion 5 formed of resin therein.
2, a plug insertion opening 58 connected to the jack locking member 51 and formed in a tapered shape, and a contact pin 54 therein.
And a contact pin engaging portion 55 (see FIGS. 22 and 23) arranged in an aligned state. The plug insertion opening 58 has a structure in which a reverse insertion preventing convex portion 59 for preventing reverse insertion by bending a lower central portion inward is provided, and its dimensional intersection is a fixed shape determined to a predetermined value. ing.

As shown in FIGS. 1 and 2, the connector plug 10 is molded into a male plug contact 12 which is inserted into the plug insertion opening 58 of the connector jack 50 to obtain an electrical connection. And a signal cable 13 arranged behind the housing 11.

The plug contact 12 has a guide portion 15A made of a metal member, and a contact plate member having a contact plate 22 made of resin inside the guide portion 15A and arranged in a lower position inside the guide portion 15A. It has a structure in which a mating portion 16 and a locking hole 17 for fitting and locking a connector jack are provided at an upper portion, and an insertion end portion of the guide portion 15A serves as an insertion guide port. Regarding the contact plate engaging portion 16,
It is the same as that shown in FIGS. 19 to 21 described in the related art, and, in brief, the contact plate 22 is arranged between the convex portions, and the size of the cavity is the jack contact 53 of the connector jack 50. The structure is such that it can be engaged with the contact pin engaging portion 55 provided inside.

As shown in FIGS. 3 and 4, the guide portion 15A has a first guide portion 24A which is determined by a size intersection of the same shape from the insertion end portion 18 to a predetermined position in the depth direction.
And a second guide portion 24B which is provided from near the center in the depth direction and is an elastically variable shape abutting means formed in a downwardly open elastic shape.

As shown in FIGS. 3 and 5, the first guide portion 24A has a structure (not shown) in which the insertion end portion 18 is chamfered to facilitate the insertion guide, and a depth from the insertion end portion 18. Up to a substantially intermediate position in the direction, the position where the slit is provided on the bottom side is depressed inward so that the reverse insertion preventing recess 2 is formed.
3 and a first side surface portion 20A formed in a square shape. The first guide portion 24A having such a structure is formed in a fixed shape in advance, and has a configuration in which the dimension intersection is determined. When the first guide portion 24A is initially inserted into the jack contact 53 of the connector jack 50, both are elastically deformed. Therefore, insertion in the reverse direction or the like can be prevented.

As shown in FIGS. 4 and 6, the second guide portion 24B is formed in a trapezoidal shape whose lower side is open from the vicinity of a substantially middle position in the depth direction from the insertion end portion 18, and has a central position at the bottom. And a second side surface portion 20B formed in an oblique shape with the lower side opened. As shown in FIGS. 4 and 6, the second guide portion 24 </ b> B having such a structure is provided with the second side surface portion 2.
0B has a structure protruding outward, and this protruding portion is the jack contact 5 of the connector jack 50.
The fitting state is stabilized by being elastically deformed in a state of being in contact with the inner wall surface of No. 3.

In order to insert the connector plug 10 having the guide portion 15A having such a structure into the connector jack 50 to obtain an electrical connection, first, the plug contacts 12 of the connector plug 10 are connected to the connector jack 50. Insert it into the jack contact 53. At this time,
Since the dimensional intersection of both the jack contact 53 and the first guide portion 24A is determined and fixed, the insertion feeling of the jack contact 53 is such that it does not come into contact with it, and even if it is inserted in the opposite direction, it cannot be inserted. . When the plug is further inserted, the second guide portion 24B of the plug contact 12 comes into contact with the inner wall surface of the jack contact 53, and the fitted state becomes stable. If it is further pushed in this state, it is further inserted in a stable fitting state, and the elastic locking member 57 is inserted into the locking hole 17.
(See FIG. 24) is locked to generate a click feeling, and the fitting between the connector plug 10 and the connector jack 50 is completed.

Next, a connector according to a second embodiment will be described with reference to the drawings.

As shown in FIG. 7, the connector according to the second embodiment has a female jack contact 53 incorporated in a jack locking member 51 formed of a metal member and locked at a predetermined position. It is composed of a connector jack 50 and a connector plug 10A having a male plug contact 12A incorporated in a housing made of resin.

The connector jack 50 has the same structure as that shown in FIGS. 22 and 23 described in the related art. To be brief, the connector jack 50 has a jack locking member 51 made of a metal member and a resin inside. A formed contact fitting portion 52, a plug insertion opening 58 formed in a tapered shape and connected to the jack locking member 51, and a contact fitting portion 52.
And a contact pin engaging portion 55 (see FIGS. 22 and 23) in which the contact pins 54 are arranged in an aligned state. The plug insertion opening 58 has a structure in which a reverse insertion preventing convex portion 59 for preventing reverse insertion by bending a lower central portion inward is provided, and its dimensional intersection is a fixed shape determined to a predetermined value. ing.

As shown in FIG. 7, the connector plug 10A is formed by molding a male-type plug contact 12A which is inserted into the plug insertion opening 58 of the connector jack 50 to obtain electrical connection, and is molded with resin. The housing 11 and the signal cable 13 are arranged behind the housing 11.

The plug contact 12A is shown in FIGS.
As shown in the figure, a guide portion 15B formed of a metal member
And a contact plate engaging portion 16 having a contact plate 22 formed of resin inside the guide portion 15B and arranged in a lower position inside the guide portion 15B in an aligned state. The contact plate engaging portion 16 is the same as that shown in FIGS. 19 to 21 described in the related art. Briefly, the contact plate 22 is provided between the convex portions, The size is such that it can be engaged with the contact pin engaging portion 55 provided inside the jack contact 53 of the connector jack 50.

As shown in FIGS. 9 to 11, the guide portion 15B has a structure in which the insertion end portion 18 is chamfered to facilitate the insertion guide, and a slit is provided in the bottom of the insertion end portion 18 in the depth direction. A concave portion 23 for preventing reverse insertion by indenting the portion of the slit inward, a side surface portion 25 formed in a square shape, and a contact portion protruding outward at an intermediate rear position of the side surface portion 25. And a contact portion 26. The guide portion 15B having such a structure is formed in a fixed shape in advance, and has a configuration in which the dimensional intersection is also determined to a predetermined size.

The connector plug 10A having the guide portion 15B having such a structure is connected to the connector jack 50A.
In order to obtain an electrical connection by inserting a plug contact, first, the plug contact 12A of the connector plug 10A is inserted into the jack contact 53 of the connector jack 50. At the initial stage of the fitting, the jack contact 53 and the plug 15
Since the dimension intersection of the two B is fixed, the insertion feeling is a fitting without contact, and even if the insertion is performed in the opposite direction, the insertion cannot be performed. If you insert it further,
Plug contact 1 on the inner wall surface of jack contact 53
The 2A contact portion 26 is brought into the contact state, and the fitted state becomes a stable state. If it is further pushed in this state, it is further inserted in the fitted state in which it abuts, and the elastic locking member 57 is inserted into the locking hole 17.
Are locked to generate a click feeling, and the fitting of the connector is completed.

[0032]

As described above, in the connector according to the present invention, at the start of insertion, the plug contact whose dimension is determined to be crossed is inserted into the jack contact to prevent reverse insertion and to prevent smooth contact without contact. There is an effect that a stable fitting state can be maintained by securing the insertion operation and bringing the contact state when the insertion is performed to a predetermined depth.

[Brief description of the drawings]

FIG. 1 is an external perspective view of a connector according to a first embodiment of the present invention.

FIG. 2 is an external perspective view of the connector plug.

FIG. 3 is a side view of a contact portion of the connector plug.

FIG. 4 is a plan view of a contact portion of the connector plug.

FIG. 5 is a front view showing an extract of a guide of the contact.

FIG. 6 is a front view showing a contacting portion of the contact.

FIG. 7 is an external perspective view of a connector according to a second embodiment of the present invention.

FIG. 8 is an external perspective view of the connector plug.

FIG. 9 is a plan view of a contact portion of the connector plug.

FIG. 10 is a front view showing a guide of the contact extracted.

FIG. 11 is a front view showing a contact portion of the contact.

FIG. 12 is an external perspective view of a conventional connector.

FIG. 13 is an external perspective view of a conventional connector plug.

FIG. 14 is a front view of a guide portion of a connector plug according to the related art.

FIG. 15 is a front view showing a state in which a guide portion of a connector plug in the related art is in contact with the connector plug.

FIG. 16 is a plan view of a plug contact according to the related art.

FIG. 17 is a plan view of a conventional plug contact.

18 is a sectional view taken along line BB in FIG.

19 is a sectional view taken along line CC in FIG.

FIG. 20 is a sectional view taken along line DD in FIG. 19;

21 is a sectional view taken along line EE in FIG. 19;

FIG. 22 is a front view of the connector jack.

FIG. 23 is a sectional view taken along line AA in FIG. 22;

FIG. 24 is a cross-sectional view showing a state in which a connector plug according to the related art is inserted and fitted into a connector jack.

[Explanation of symbols]

10; connector plug, 10A; connector plug, 1
1; housing, 12; plug contact, 12A; plug contact, 13; cable, 14;
5; guide section, 15A; guide section, 15B; guide section,
16; contact plate engaging portion; 17; locking hole; 18; insertion end;
19; a slit, 19A; a first slit, 19B; a second slit, 20; a side surface, 20A;
20B; second side surface portion, 21; contact plate guide convex portion, 2
2; contact plate, 23; reverse insertion prevention concave portion, 24A; first guide portion, 24B; second guide portion, 25;
6; contact portion, 50; connector jack, 51; jack locking member, 52; contact fitting portion, 53; jack contact, 54; contact pin, 55; contact pin engaging portion, 5;
6; lid, 57; elastic locking member, 58; plug insertion port,
59; reverse insertion prevention recess

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 5E021 FA05 FA09 FA14 FA16 FC06 FC31 FC38 JA11 KA05 5E087 EE02 EE04 EE14 FF05 FF08 FF18 GG06 HH01 MM14 RR26 RR36

Claims (8)

[Claims] An insertion guide opening of a plug contact on a connector plug side for obtaining electrical connection by inserting a connector plug into a connector jack is formed in a shape that can be determined by dimension crossing, and is provided near an intermediate position in the depth direction of the plug contact. A contacting means for contacting the contact fitting portion of the connector jack. 2. The connector fitting method according to claim 1, wherein the connector plug and the connector jack have a plurality of contact portions for obtaining an electrical connection. 3. The apparatus according to claim 1, wherein the insertion guide port has a fixed shape whose size does not elastically deform, whereas the contact means has a variable shape that elastically deforms. Connector fitting method. 4. The connector fitting method according to claim 1, wherein the plug insertion opening of the connector jack that fits into the insertion guide opening of the connector plug has a shape whose dimensional intersection can be determined. 5. A connector plug having a plug contact for electrical connection, and a connector jack having a contact fitting portion for fitting the connector plug, wherein the plug contact of the connector plug is An insertion guide opening having a shape capable of determining a dimension crossing to be inserted into the connector jack; and an abutting means capable of abutting a contact fitting portion of the connector jack near a middle position in a depth direction. Features connector. 6. The connector according to claim 5, wherein the connector plug and the connector jack have a plurality of contact portions for obtaining an electrical connection. 7. The apparatus according to claim 5, wherein the insertion guide port has a fixed shape whose size does not elastically deform, whereas the contact means has a variable shape that elastically deforms. connector. 8. The connector according to claim 5, wherein the plug insertion opening of the connector jack that fits into the insertion guide opening of the connector plug has a shape whose dimensional intersection can be determined.