JP3287797B2 - Jack, plug and connection structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connector, and more particularly, to a connector for inputting and outputting data in an electronic device for inputting and outputting data, such as a home video game machine and a home personal computer (information processing device). The present invention relates to a connector used for connecting a bus or the like.

[0002]

2. Description of the Related Art Conventionally, a connector used for inputting / outputting data includes a pin jack provided with a plurality of pins in a concave portion of a housing.
There was a convex plug with a hole that fitted it.
However, the pins are easily bent due to the insertion of foreign matter or the like, and the bent pins are likely to cause poor contact or poor connection.

[0003] Therefore, there is provided a connector shown in Utility Model Registration No. 2518309. The housing of the connection jack included in this connection tool has an insertion space having an elongated opening in the width direction substantially at the center of the end face. In this insertion space, a plate-shaped member whose tip is located a predetermined distance deeper than the end face of the housing is arranged,
On the surface of the plate-like member, a belt-like conductive member extending from the inner side to the above-mentioned tip is arranged in a pattern.

[0004] On the other hand, the housing of the connection plug has a rectangular cylindrical housing that can be inserted into the insertion space of the jack, and has an insertion space into which the plate-like member is inserted. In this insertion space, a plurality of terminal portions which are elastically pressed against the conductive member of the jack when the plug and the jack are connected are arranged. In the above connector, the conductive member extends to the tip of the plate-shaped member in the jack, but since the tip of the plate-shaped member is located slightly behind the opening end of the jack, external foreign substances and the like are conductive. There is an advantage that the member is hard to touch.

[0005] However, when the tip of the plate-shaped member is located at a position recessed from the end face of the housing of the jack as described above, at the initial stage of introducing the plug into the jack,
Both are guided by the engagement of only the housings with each other, and cannot be smoothly guided. An object of the present invention is to provide a jack that can be smoothly connected to a plug side while preventing contact of foreign matter from the outside, a plug that is compatible with this jack, and a connection structure using these jacks and plugs. is there.

[0006]

According to a first aspect of the present invention, there is provided a jack for use in connection with a plug for inputting data to an electronic device. An annular opening frame for defining the opening concave portion, an insertion convex portion made of an insulating member for defining the opening concave portion in an annular shape by facing the front end portion so as to be flush with the opening end surface of the opening frame, and A plurality of elastic members disposed on at least one surface of the convex portion, extending from a position apart from the distal end portion of the insertion convex portion by a predetermined distance toward the inner side, and elastically pressed against the corresponding conductive member on the plug side. And the insertion protrusion is adjacent in the longitudinal direction thereof.
By forming a pair of corners to be tapered,
It has a substantially hexagonal shape when viewed from the
By having a substantially hexagonal shape similar to
The opening concave section defined between the opening frames is also substantially hexagonal annular,
The insertion protrusion has a plug reverse insertion prevention protrusion projecting from the opening recess at the center of the side facing the pair of corners ,
The plug reverse-insertion-preventing protrusion extends from the distal end of the insertion protrusion to the inner side.

In the jack of this aspect, the tip of the insertion projection is flush with the opening end face of the opening frame. Therefore, when the opening frame of the plug is inserted into the opening frame of the jack, the insertion of the jack is prevented. results protrusion guides this is inserted from the tip side in the opening frame of the plug can be coupled smoothly and jack and plug. In addition, the terminal portion made of an elastic member disposed on the surface of the insertion protrusion extends inward from a position away from the tip of the insertion protrusion by a predetermined distance, thereby preventing external foreign substances from touching the terminal portion. can do.

[0008] The plug according to the second aspect of the present invention is the above-mentioned plug.
And an annular shape that can be inserted into the
An annular opening frame for defining an opening recess for inserting the insertion protrusion of the hook, and a plurality of strip-shaped conductive members arranged in a pattern on the inner wall surface of the opening frame. And a guide groove that fits into the plug reverse-insertion-preventing projection of the jack, and the guide groove extends inward from the front end of the opening frame. In the plug of this aspect, the conductive member is electrically connected to the terminal by being combined with the jack.

According to a third aspect of the present invention, there is provided a connection structure for connection using a connection jack and a plug used for data input to an electronic device, wherein the plug has a first opening. An annular first opening frame defining a recess,
A plurality of strip-shaped conductive members arranged in a pattern on an inner wall surface of the first opening frame, and a guide groove extending from a tip end of the first opening frame toward an inner side, the jack includes: An annular second opening frame defining a second opening recess;
An insulating member for dividing the second opening concave portion into an annular shape by facing the front end portion so as to be flush with the opening end surface of the second opening frame, and the first opening frame is formed in the second opening concave portion. An insertion projection inserted into the first opening recess when inserted, and arranged on the surface of the insertion projection, extending from a position separated by a predetermined distance from the tip end of the insertion projection to the inner depth side, and e Bei a plurality of terminal portions made of an elastic member that is elastically pressed against the conductive member, the insertion convex portion is adjacent in the longitudinal direction
By forming a pair of corners to be tapered,
It has a substantially hexagonal shape when viewed from the
By having a substantially hexagonal shape similar to the insertion projection, the insertion projection
The second opening recessed section defined between the portion and the second opening frame is also substantially
It is a hexagonal ring, and the insertion convex portion is formed in the second opening concave portion.
The protruding projections for preventing reverse insertion of the plug are
The plug is provided in the center of the opposite side, and the plug reverse-insertion-preventing convex portion extends inward from the distal end portion of the insertion convex portion and fits into the guide groove.

[0010] In the connection structure of this aspect, since the tip of the insertion projection of the jack is flush with the opening end surface of the opening frame of the jack, when the opening frame of the plug is inserted into the opening frame of the jack. In addition, the jack insertion protrusion is inserted into the opening frame of the plug from the tip end side to guide it, so that the jack and the plug can be connected smoothly. In addition, since the terminal portion made of an elastic member disposed on the surface of the insertion protrusion extends inward from a position separated from the tip of the insertion protrusion by a predetermined distance, external foreign matter is prevented from touching the terminal portion. can do.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described with reference to the accompanying drawings. FIG. 1 is an exploded perspective view of a connection structure using a jack 1 and a plug 30 according to an embodiment of the present invention, FIG. 2 is a front view of the jack 1, and FIG.
Is a front view of the plug 30. FIG. FIG. 4 is an exploded sectional view of the jack and the plug, and FIG. 5 is a sectional view of the jack and the plug in a connected state.

Referring to FIG. 1, FIG. 2, FIG. 4 and FIG.
The jack 1 has a tubular opening frame 3 that defines an opening recess 2. The opening frame 3 is a shell made of, for example, a copper alloy, and has a pair of claws 3a, 3a protruding downward on both sides. An insertion projection 5 is formed inside the opening recess 2 so as to protrude from the rear wall 4.
The opening recess 2 is annularly partitioned in the opening frame 3. A pair of rib-shaped protruding walls 6, 6 protruding rearward and extending vertically are formed at the left and right rear portions of the rear wall 4. The rear wall 4, the insertion convex portion 5, and the protruding walls 6, 6 are integrally formed of an insulating material such as a synthetic resin, and the whole constitutes a housing 7.

[0013] The insertion convex portion 5, both upper corner portion has a substantially hexagonal shape when viewed from the front by being tapered, a central portion of its lower surface, reverse insertion of the plug 30 The protrusion 8 is formed so as to prevent the protrusion and to fit into the corresponding guide groove 39 on the plug 30 side so as to extend inward. Further, and an annular forming opening frame 3 also insertion convex portion 5 substantially hexagonal shape of similar figures.

The tip 5b (front end) of the insertion projection 5 is flush with the opening end face 3b of the opening frame 3. A plurality of contact holding holes 9 are formed on the back wall 4 side by side, and a contact member 11 having a contact 10 as a terminal portion in each contact holding hole 9 is advanced forward. Have been. Each contact holding hole 9 extends to the tip of the insertion projection 5 and has an opening 5a. In addition, the contact holding hole 9 has an opening 5c in the upper surface 5d of the insertion convex portion 5 while leaving the locking portion 14 on the tip side of the insertion convex portion 5,
A hook-shaped tip 12 continuous with the contact 10 is engaged with the locking portion 14.

The contact 10 is formed so as to be bent in a mountain shape so as to protrude upward from the upper surface 5d of the insertion projection 5 through the opening 5c.
Is located in the opening 5a at a position recessed by a predetermined distance d from the distal end portion 5b of the insertion convex portion 5. Contact 10
Is protruded upward from the upper surface 5 d of the insertion convex portion 5, and is arranged at a position further deeper than the above-mentioned distal end portion 12. The contact member 11 is made of an elastic member, and the contact 10 having a chevron shape is pushed into the contact holding hole 9 in a state where the jack 1 and the plug 30 are connected as shown in FIG. Is elastically pressed against the conductive member 37.

The contact 10 penetrates backward through the contact holding hole 9 and continues to a lead 13 bent substantially at right angles to the contact 10. Contact 10
The contact member 11 is constituted by the lead 13 and the lead 13. The leading end of the lead 13 projects below the opening frame 3. The lead 13 is disposed between the pair of projecting walls 6 and 6 and is protected.

On the other hand, referring to FIGS. 1, 3, 4 and 5, the plug 30 combined with the jack 1 has an opening frame as an insertion portion having a shape insertable into the opening recess 2 of the jack 1. 31. The opening frame 31 is a housing made of an insulating material such as a synthetic resin.
The insertion projection 5 has an open recess 32 to be inserted as shown in FIGS. The periphery of the opening frame 31 is covered with a cylindrical shell 33 made of a conductive material such as a copper alloy. The shell 33 has a pair of claw portions 34, 34 extending downward on both left and right sides.

On the inner wall surface 36 of the upper wall 35 of the opening frame 31,
A plurality of strip-shaped conductive members 37 arranged in a pattern are fixed at regular intervals in the width direction so as to extend inward. At the center of the lower wall 38 of the opening frame 31, a guide groove 39 that fits with the groove-shaped projection 8 of the jack 1 is formed from the tip end of the opening frame 31 toward the inside. 4
Reference numeral 0 denotes a lead connected to each conductive member 37, and a pair of left and right projecting walls 4 projecting rearward of the opening frame 31.
It is arranged at a predetermined interval between 1 and 41. The lower portion of each protruding wall 41 is formed as a hook 42 for fixing the plug 30 to an object to be mounted.

According to the present embodiment, since the tip 5b of the insertion projection 5 is flush with the opening end face 3b of the opening frame 3, the shell of the plug 30 is provided in the opening frame 3 of the jack 1. when inserting the opening frame 31 dated 33, the insertion convex portion 5 of the jack 1 is inserted from the front end portion into the opening recess 32 of the plug 30, the plug 30 to the open concaved portion 2 of jack 1 <br As a result of guiding the introduction, the jack 1 and the plug 30 can be smoothly connected.

Moreover, the contact 10 made of an elastic member is disposed so as to protrude from the upper surface 5d of the insertion projection 5.
Extends from a position separated by a predetermined distance d from the distal end portion 5b of the insertion convex portion 5, so that an external foreign substance can be prevented from touching the contact 10 as a terminal portion. The present invention is not limited to the above-described embodiment. For example, in the above-described embodiment, a fixed-type plug is shown. However, as shown in FIGS. The second half of the plug 30 similar to the form of
And embedded in the plug body 51 connected to the end of the plug. In this case, the claw portion 34, the projecting wall 41
Etc. will be abolished.

In addition, various changes can be made within the scope of the present invention.

[0022]

According to the first aspect of the present invention, the tip of the insertion protrusion is flush with the opening end surface of the opening frame.
When inserting the opening frame of the plug into the jack opening frame, as a result of the insertion convex portion of the jack guide it is inserted from the tip side in the opening frame of the plug, smoothly connecting the jack and plug can do. In addition, the terminal portion made of an elastic member disposed on the surface of the insertion protrusion extends inward from a position away from the tip of the insertion protrusion by a predetermined distance, thereby preventing external foreign substances from touching the terminal portion. can do.

In the plug according to the second aspect, by being combined with the jack, the conductive member is electrically connected to the terminal. In the connection structure according to the third aspect, the tip of the insertion projection of the jack is flush with the opening end surface of the opening frame of the jack, so that when the opening frame of the plug is inserted into the opening frame of the jack. As a result, the insertion protrusion of the jack is inserted into the opening frame of the plug from the tip end side to guide it, so that the jack and the plug can be connected smoothly. In addition, since the terminal portion made of an elastic member disposed on the surface of the insertion protrusion extends inward from a position separated by a predetermined distance from the tip of the insertion protrusion, it prevents external foreign substances from touching the terminal portion. can do.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a connection structure including a jack and a plug according to an embodiment of the present invention.

FIG. 2 is a front view of a jack.

FIG. 3 is a front view of the plug.

FIG. 4 is an exploded sectional view of a jack and a plug.

FIG. 5 is a schematic sectional view of a jack and a plug connected to each other.

FIGS. 6A and 6B are a plan view and a front view of a plug according to another embodiment of the present invention, respectively.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Jack 2 Opening recess (2nd opening recess) 3 Opening frame (2nd opening frame, shell) 3b End surface 5 Insertion convex part 5a Opening 5b Tip 5c Opening 5d Upper surface (surface) 10 Contact (terminal part) 30 Plug 31 opening frame (first opening frame) 32 opening recess (first opening recess) 33 shell 35 upper wall 36 inner wall surface 37 conductive member 50 cable 51 plug body

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) H01R 13/629 H01R 13/52 H01R 23/02

Claims (3)

(57) [Claims] 1. A jack used to be connected to a plug for data input to an electronic device, wherein an annular opening frame defining an opening recess is formed, and a front end thereof is flush with an opening end surface of the opening frame. And an insertion projection formed of an insulating member that partitions the opening recess into an annular shape by facing the insertion projection. The insertion projection is disposed on at least one surface of the insertion projection, and is located at a predetermined distance from the distal end of the insertion projection to the inner side. Extend to the side,
A plurality of terminal portions made of an elastic member which is elastically pressed against the corresponding conductive member on the plug side, and wherein the insertion projection has a pair of corners adjacent to each other in the longitudinal direction.
Approximately hexagonal shape when viewed from the front
And the opening frame is a substantially hexagonal shape similar to the insertion projection
By being made into a shape, it is partitioned between the insertion convex portion and the opening frame.
The opening recess is also substantially hexagonal annular, and the insertion projection has a plug reverse insertion prevention projection projecting from the opening recess at the center of the side facing the pair of corners ,
The jack characterized in that the plug reverse-insertion-preventing protrusion extends inward from the distal end of the insertion protrusion. 2. A plug connected to the jack according to claim 1, wherein said plug has an annular shape capable of being inserted into an opening recess of said jack.
And an annular opening frame for defining an opening recess for inserting the jack insertion projection, and a plurality of strip-shaped conductive members arranged in a pattern on the inner wall surface of the opening frame. A plug having a guide groove fitted with a plug reverse-insertion-preventing projection of a jack to be inserted, wherein the guide groove extends from a front end portion of the opening frame toward an inner side. 3. A connection structure for connecting using a plug and a connection jack used for data input to an electronic device, wherein the plug has an annular second shape defining a first opening recess. A first opening frame, a plurality of strip-shaped conductive members pattern-arranged on the inner wall surface of the first opening frame, and a guide groove extending from the front end of the first opening frame toward the inner side. The jack comprises: an annular second opening frame defining a second opening recess; and a front end portion facing the opening end surface of the second opening frame so as to be flush with the second opening. An insertion member that is formed by an insulating member that divides the recess into an annular shape and is inserted into the first opening recess when the first opening frame is inserted into the second opening recess; and disposed on the surface of the insertion projection. Is, extends from the position separated by a predetermined distance from the distal end of the insertion convex portion to the inner depth side, E Bei a plurality of terminal portions made of an elastic member that is elastically pressed against the conductive member to respond, te a pair of corners where the insertion convex portion is adjacent in the longitudinal direction
Approximately hexagonal shape when viewed from the front
And the second opening frame is substantially similar in shape to the insertion projection.
By having a hexagonal shape, the insertion convex portion and the second opening frame
The second opening recessed section defined between them is also substantially hexagonal annular, and the insertion projection is provided with a plug reverse insertion prevention projection projecting from the second opening recessed part on the side opposed to the pair of corners. A connection structure having a central portion, wherein the plug reverse-insertion-preventing convex portion extends inward from the distal end portion of the insertion convex portion and fits into the guide groove.