JP3446080B2 - One-piece connector used for hermaphroditic connector - Google Patents

Description

Detailed Description of the Invention

[0001]

FIELD OF THE INVENTION The present invention relates to connectors, and in particular to
The present invention relates to a two-piece connector for board-to-board connection.

[0002]

2. Description of the Related Art At present, a two-piece connector formed by fitting a female connector piece (receptacle) and a male connector piece (plug) is used for board-to-board connection. As a conventional example of this type, as an actual example
1 and Sekikai 63-91180.

[0003]

However, in the conventional example, the housings of the female connector piece and the male connector piece must be manufactured separately. for that reason,
The cost of mold and press of the housing, the cost of assembling the male and female two-piece connector, and the cost of managing the male and female two-piece connector are incurred.

Further, the conventional example is provided with an insulator wall around the contact, which is provided with a guide portion for protecting the contact and for fitting the connector.

However, such a guide portion of the insulator wall not only increases the cost of the material, but also hampers the radiation of heat generated by the contact during energization. That is, the air heated around the contacts in the connector cannot escape to the outside, and as a result of being filled, heat radiation is hindered and the temperature rises.

Therefore, a first object of the present invention is to provide a connector which can reduce the cost.

A second object of the present invention is to provide a connector capable of preventing the temperature rise around the contacts.

[0008]

The present invention adopts the following means in order to solve the above problems.

(1) A one-piece connector used in a hermaphroditic connector which is prepared by fitting two identical one-piece connectors and fitting them to each other, and having a substantially plate-shaped insulator extending in the longitudinal direction, and the substantially plate. -Shaped insulator has a fitting block portion arranged so as to extend between both block ends and both block ends while being recessed in a fitting direction orthogonal to the longitudinal direction, and the fitting block portion of the insulator Is a contact is planted along the fitting direction, the contact is projected from the fitting block portion in the fitting direction, the entire peripheral surface is exposed,
A cantilever type having a free end having a portion that comes into contact with a contact of a mating connector, and when the two one-piece connectors are fitted together, the block ends of the insulator are joined together, while the fitting block portion is Each other
As a result of being arranged so as to be spaced apart from each other in the fitting direction and facing each other, a ventilation hole is formed between the fitting block portions along the connector thickness direction, whereby the free end of the contact is A one-piece connector used for a hermaphroditic connector, which is arranged in the ventilation hole.

(2) In the one-piece connector used in the hermaphroditic connector according to (1), the fitting block portion is provided with a large number of contact holes adjacent to each other, and these contact holes are formed by the above-mentioned contact holes. Arranged on parallel column lines from the first column having the same arrangement pitch along the fitting direction to a predetermined even number column, and alternately having two different arrangement pitches along the longitudinal direction. Are arranged on the zigzag first and second row lines, and on the intersections where the column lines and the row lines intersect with each other,
A pair of male and female contacts are arranged along the connector thickness direction, respectively, while different male and female contacts are alternately arranged in the longitudinal direction. A one-piece connector used for the characteristic hermaphroditic connector.

[0011] (3) In the one-piece connector used hermaphroditic connector according to (1), in both blocks ends of said insulator, abutting portions of the block ends with each other to bonding are formed respectively, 2 When the one-piece connectors are fitted to each other, the connector separation distance is maintained so that the vent holes are formed between the fitting block portions, and the guide pin is provided at the abutting portion at one block end. Is provided so as to project in the connector fitting direction, while the abutting portion at the other block end is
A one-piece connector used in a hermaphroditic connector, wherein guide pin holes are provided.

[0012] (4) in one piece connector used hermaphroditic two-piece connector according to (2),
A guide part for guiding the connection with the male contact is provided at the tip of the female contact, and the one without the guide part is used as a female contact, which is used for a hermaphroditic connector. connector.

[0013]

In the hermaphroditic connector of the present invention, two one-piece connectors are used and are fitted to each other.
Since the one-piece connector is a hermaphroditic and is completely the same, there is no distinction between the plug and the receptacle, and the number of types of housing molds is reduced by half. As a result, the cost of manufacturing the hermaphroditic connector is reduced.

In a hermaphroditic connector in which two one-piece connectors are fitted together, the block ends of the insulator are joined to each other and the abutting portions collide with each other, while the fitted block portions are spaced from each other in the fitting direction and face each other. Will be distributed. At this time, a ventilation hole for the insulator is formed around the contact.

Therefore, the free end of the contact is arranged so as to be exposed in the ventilation hole, and the heat generated from the contact when electricity is applied is discharged to the outside through the ventilation hole. As a result of radiating heat in this way, the temperature rise of the hermaphroditic connector acts to be suppressed.

With regard to the contact of the present invention, a female contact from which the guide portion at the tip is removed is used as the female contact. As a result, only one mold is required for contact. Alternatively, even if a pair of male and female contacts is taken, it works with only one die.

In the thickness direction of the connector of the insulator,
A pair of either male or female contacts are arranged.
When mating with the mating one-piece connector, the pair of guide parts in the pair of female contacts arranged in the thickness direction is
Bend it so that it receives the tip of the pair of male contacts of the mating one-piece connector. As a result, the male and female contacts are connected to each other.

[0018]

BEST MODE FOR CARRYING OUT THE INVENTION A hermaphroditic connector according to an embodiment of the present invention, that is, one embodiment, will be described with reference to the drawings (FIGS. 1 to 13).

A hermaphroditic connector according to an embodiment of the present invention shown in FIG. 9 is similar to the one-piece connector 11 of FIG.
They are individually used and fitted together. The one-piece connectors 11 forming the hermaphroditic connector are hermaphroditic and are exactly the same.

The one-piece connector 11 extends in the longitudinal direction and has a fitting block portion 12-3 which is recessed in the fitting direction between both block ends 12-1 and 12-2 and both block ends 12-1 and 12-2. It has an insulator 12 which is a substantially plate-shaped block having.

As shown in FIG. 10, the insulator 12
Is used by being mounted on a board (PCB) 17. The board (PCB) 17 includes a board through hole 18.

As shown in FIG. 1, both block ends 12-1 and 12-2 of the insulator 12 have an abutment portion for maintaining a connector separation distance when two one-piece connectors are fitted to each other. 21-1 and 21-2 are respectively formed and are shown as abutting surfaces 20-1 and 20-2 in FIG. At the time of fitting the connector, ventilation holes around the contact are formed between the fitting block portions 12-3 along the connector thickness direction.

Abutment portion 21-at one block end 12-1
1, a guide pin hole 23 is formed. A guide pin 25 is provided on the abutting portion 21-2 of the other block end 12-2 so as to project in the connector fitting direction.

Referring to FIGS. 5 and 7, among the cantilever type contacts, the female contact 13 includes a contact body 13-1, a bent portion 13-2, and a warped portion 13-.
3, a turnback bent portion 13-4, and a turnback end portion 13-5. At the free end of the female contact 13, that is, at the contact tip, a warp portion 13-3, a turnback bent portion 13-4, and a turnback end portion 13-are provided as guiding portions for guiding the connection with the male contact 15. 5 are provided. When mating with the mating one-piece connector, the guiding portion of the female contact 13 is the male contact 1
Invite you to receive the tip of 5.

The male contact 15 of FIGS. 6 and 8 can be easily manufactured by cutting the turnback end 13-5 at the tip of the female contact 13 along the dotted line in FIG. 7 and removing it. The male contact 15 in FIG. 6 is the contact body 15-
1, the bent portion 15-2, and the warped portion 15-3, the contact body 13-1, the bent portion 13-
2 and the warped portion 13-3.
In the present invention, only one type is required in the assembly process of an automatic machine or the like without distinguishing male and female contacts.

As shown in FIG. 2, different male and female contact holes are alternately arranged in the longitudinal direction. In the connector thickness direction, that is, in the vertical direction in the figure,
A pair of either male or female contacts are alternately arranged at a predetermined pitch, that is, either the facing pitch Pf of the female contacts 13 or the facing pitch Pm of the male contacts 15.

With reference to FIGS. 2, 4, 12, and 13, a plurality of contact holes adjacent to each other are formed in the fitting block portion 12-3 of the insulator 12 as described below. .

These contact holes are formed in the female contact 13.
The pair of female contact press-fitting holes 14 and the pair of male contact press-fitting holes 16 are alternately bored in the longitudinal direction so that the pair of female contact press-fitting holes 14 and the male contact 15 have the facing pitch Pm. When the one-piece connector 11 is mounted on the board 17, these contact holes are
Each of them communicates with the substrate through hole 18 (FIGS. 12 and 13).

More specifically, these contact holes are
They are arranged on parallel row lines from the first row having the same arrangement pitch along the fitting direction to a predetermined even row (tenth row).

On the other hand, they are arranged on the zigzag first and second row lines so as to alternately have two different arrangement pitches along the longitudinal direction. Contact holes are respectively formed on 10 × 2 intersections where the column lines and the row lines intersect with each other.

Referring to FIG. 12, when the two one-piece connectors 11 are combined and fitted together, the guide pins 25 of the lower one-piece connector 11 of FIG. 1 are guided by the guide pin holes of the upper one-piece connector. Inserted in the
The positions of the one-piece connectors 11 (two-piece connectors) are determined and fitted to each other.

On the other hand, the tip of the male contact 15 comes into contact with the guiding portion of the female contact 13 to start insertion. When pushed further, the tips of the male and female contacts 13 and 15 are connected to each other.

More specifically, as shown in FIG. 13, at this time, the ends of the blocks are joined and the abutting portions collide with each other to complete the fitting.

At the same time, ventilation holes are formed between the recessed fitting block portions 12-3. Male and female contacts 1
The tips of the holes 3 and 15 contact each other at the ventilation hole. During energization, the heat generated from the contacts does not rise because the heat is emitted to the outside through the ventilation holes around the contacts.

[0035]

According to the one-piece connector used for the hermaphroditic connector of the present invention, since the one-piece connector is the hermaphroditic, that is, the same, the two one-piece connectors can be used for fitting with each other and the cost can be reduced. Produce an effect.

Further, the hermaphroditic connector of the present invention has an effect that the temperature rise around the contact can be prevented because the vent hole is formed around the contact when the two one-piece connectors are fitted to each other.

[Brief description of drawings]

FIG. 1 is a perspective view of a one-piece connector 11 used in a hermaphroditic connector (FIG. 9) according to an embodiment of the present invention.

FIG. 2 is a top view of the one-piece connector 11 of FIG.

FIG. 3 is a front view of the one-piece connector 11 of FIG.

FIG. 4 is a bottom view of the one-piece connector 11 of FIG.

5 is a perspective view of the female contact 13 of FIG. 1. FIG.

6 is a perspective view of the male contact 15 of FIG. 1. FIG.

7 is a front view of the female contact 13 of FIG.

FIG. 8 is a front view of the male contact 15 of FIG.

FIG. 9 is a perspective view of a hermaphroditic connector according to an embodiment of the present invention.

10 is a perspective view of a board-mounted one-piece connector in which the one-piece connector 11 of FIG. 1 is mounted on a board 17. FIG.

FIG. 11 is a front view of a fitting part when a pair of the one-piece board-mounted connectors of FIG. 10 are prepared and fitted together.

12 is a cross-sectional view of a pair of board-mounted one-piece connectors of FIG. 10 prepared and before mating.

13 is a cross-sectional view taken along the line XIII-XIII in FIG. It is after the fitting of the board-mounted one-piece connector of FIG.

[Explanation of symbols]

Pf Female contact 13 facing pitch Pm male contact 15 facing pitch 11 One Piece Connector 12-1, 12-2 Both block ends 12-3 Mating block 12 insulator 13 female contacts 13-1 Contact body 13-2 Folding part 13-3 Warp part 13-4 Turnback bending part 13-5 Turnback end 14 Female contact press-fitting hole 15 Male contacts 15-1 Contact body 15-2 Folding part 15-3 Warp part 16 Male contact press-fitting hole 17 board 18 PCB through hole 20-1, 20-2 striking surface 21-1, 21-2 Impact part 23 Guide pin hole 25 guide pins

─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-63-245878 (JP, A) JP-A-4-308674 (JP, A) Actual opening 5-15372 (JP, U) Actual opening Sho-63- 91180 (JP, U) Actual development 2-14681 (JP, U) Actual development 2-87383 (JP, U) (58) Fields investigated (Int.Cl. ⁷ , DB name) H01R 12/16 H01R 13 / 28

Claims (4)

(57) [Claims] 1. A one-piece connector for use in a hermaphroditic connector formed by preparing two identical one-piece connectors and fitting them to each other, comprising a substantially plate-shaped insulator extending in the longitudinal direction, The insulator has a fitting block portion arranged so as to extend across both block ends and both block ends while being recessed in a fitting direction orthogonal to the longitudinal direction, and the fitting block portion of the insulator is , The contact is planted along the fitting direction, and the contact is fitted from the fitting block portion to the fitting method.
The connector of the mating connector is exposed in the
A cantilever type having a free end having a portion that comes into contact with a tact, and when two one-piece connectors are fitted, the block ends of the insulator are joined to each other, while the fitting block portions are joined to each other in the fitting direction. As a result of being arranged so as to be spaced apart from each other and to face each other, a ventilation hole is formed between the fitting block portions along the connector thickness direction, whereby the free end of the contact is formed in the ventilation hole. One-piece connector used for a hermaphroditic connector characterized by being arranged. 2. The one-piece connector used for the hermaphroditic connector according to claim 1, wherein the fitting block portion is provided with a large number of contact holes that are adjacent to each other, and the contact holes are the fitting holes. Arranged on parallel row lines from the first row having the same arrangement pitch along the matching direction to a predetermined even row,
Further, they are arranged on the row lines of the zigzag first row and the second row so as to alternately have two different arrangement pitches along the longitudinal direction, and on the intersections where the column lines and the row lines intersect with each other. , Respectively, and a pair of male and female contacts are arranged along the connector thickness direction, while in the longitudinal direction,
A one-piece connector used for a hermaphroditic connector, in which different male and female contacts are alternately arranged. 3. A one-piece connector used hermaphroditic connector of claim 1, in both blocks ends of said insulator, abutting portions of the block ends with each other to bonding are formed respectively,
When the two one-piece connectors are fitted to each other, the connector separation distance is maintained so that the vent holes are formed between the fitting block portions, and the guide portion is provided at the abutting portion at one block end. One-pin connector used for a hermaphroditic connector characterized in that a pin is provided so as to project in the connector fitting direction, and a guide pin hole is bored in an abutting portion of the other block end. . 4. A one-piece connector used hermaphroditic connector of claim 2, the front end of the female contact, the invitation unit for guiding the connection of the male contact, is provided, the dielectric stomach A one-piece connector used for a hermaphroditic connector characterized by using the removed one as a female contact.