JP5615157B2 - Connector and contact used for it - Google Patents

Description

  The present invention relates to a connector and a contact used therefor, and more particularly to a floating connector and a contact used therefor.

  Conventionally, as shown in FIG. 10, a fixed housing 510 attached to a circuit board, a movable housing 520 having a mating connector fitting portion, and a plurality of conductive contact members for connecting the fixed housing 510 and the movable housing 520 to each other. The connector apparatus 500 provided with 530 is known (for example, refer patent document 1).

  As shown in FIG. 10, slits 533b are formed in the conductive contact member 530 for the purpose of improving the flexibility of the conductive contact member 530 and adjusting the characteristic impedance.

JP 2008-84756 A

  However, in the conventional connector device 500, the slit interval of the slit 533b changes due to the elastic deformation of the conductive contact member 530, and as a result, the impedance of the conductive contact member 530 changes, and the connection with the mating connector is reduced. There was a problem that impedance matching could not be maintained well.

  Therefore, the present invention solves the conventional problems, that is, the object of the present invention is to provide a connector that suppresses a change in the impedance of the contact and maintains a good impedance matching with the counterpart connector, and It is to provide the contact used for it.

The connector of the present invention includes a first housing, a second housing that is movably provided with respect to the first housing, and contacts that are held by the first housing and the second housing. The first held portion held by the first housing, the second held portion held by the second housing, and formed between the first held portion and the second held portion. A spring portion, and the spring portion extends between the two spring pieces, two connecting pieces that connect the two or more spring pieces to each other at both ends thereof, and the spring pieces. Each of the spring pieces has a pair of straight portions extending from the two connecting portions, and a bent portion connecting the straight portions of the pair, and the two or more spring pieces . A chain that connects the spring pieces together The section provided so as to cross the slits at positions corresponding respectively to the straight portions of said pair, by the slit extends continuously through the bent portion between the connecting portion, and solve the aforementioned problems Is.

The contact according to the present invention includes a contact portion connected to the first connection counterpart side, a terminal portion connected to the second connection counterpart side, and a spring portion formed between the contact portion and the terminal portion. has the door, the spring portion has two or more spring pieces, wherein the two connecting portions connecting to each other two or more spring pieces at both ends thereof, extending buildings slit along between said spring piece Each of the spring pieces has a pair of straight portions extending from the two connecting portions, and a bent portion connecting the pair of straight portions, and the two or more spring pieces. Are provided so as to cross the slits at positions corresponding to the straight portions of the pair, respectively, and the slit continuously extends between the connecting portions via the bent portion , It solves the aforementioned problems.

  In the present invention, it is possible to suppress the change in the slit interval between the spring pieces by providing the connecting portion that connects the spring pieces of the contact to each other. Impedance matching with the mating connector can be maintained well.

It is a perspective view which shows the connector relevant to this invention. It is a disassembled perspective view which decomposes | disassembles and shows the connector shown in FIG. It is explanatory drawing which shows the connector shown in FIG. It is sectional drawing which shows the connector and the other party connector which are shown in FIG. It is a perspective view which shows the contact which comprises the connector shown in FIG. It is explanatory drawing which shows the contact which has not provided the connection part as a comparative example. It is explanatory drawing which shows operation | movement of each spring piece of the contact shown in FIG. The contactor bets according to an embodiment of the present invention is a perspective view showing. It is a perspective view which shows the other comparative example of a contact. It is a perspective view which shows the conventional connector apparatus.

  Hereinafter, a connector 100 related to the present invention will be described with reference to the drawings.

The connector 100 is mounted on a first board (not shown), and is fitted and connected to a mating connector 400 mounted on a second board (not shown), thereby connecting the first board (not shown). Electrical connection is made with a second substrate (not shown) . Connector 100 and the mating connector 400 is used as a high-frequency connector for transmitting a high frequency signal.

  The connector 100 is configured as a floating connector, and as shown in FIG. 1, a first housing 110 fixed to a first substrate (not shown) and a second housing provided so as to be movable with respect to the first housing 110. 120 and a plurality of contacts 130 connecting between the first housing 110 and the second housing 120.

  The first housing 110 is formed from an insulating resin, and as shown in FIG. 2, a housing-like main body 111 opened on both sides in the fitting / removing direction between the connector 100 and the mating connector 400, and a main body A housing portion 112 that is formed inside the portion 111 and houses the second housing 120 and the plurality of contacts 130; and a first held portion 131 of the contact 130 that is formed on both side walls in the first direction X1 of the main body portion 111. And a plurality of holding portions 113 that are held in a fixed state.

The second housing 120 is molded from an insulating resin, and is held by the first housing 110 in a floating state via a contact 130 as shown in FIGS. 1 and 3. Specifically, the second housing 120 can be moved by a predetermined distance with respect to the first housing 110 in both the first direction X1 and the second direction X2 perpendicular to the fitting / removing direction. It is held by the first housing 110 via 130. The predetermined distance above SL, in the second direction X2, is set to a predetermined pitch one minute of contact 130 which will be described later. As shown in FIG. 4, the second housing 120 includes a housing-like main body 121 that opens on one side in the fitting / removing direction, and a receiving portion 122 that is formed inside the main body 121 and receives the mating connector 400. And a plurality of holding portions 123 that are formed on both side walls in the first direction X1 of the main body 121 and hold the second held portion 132 of the contact 130 in a fixed state.

  The contacts 130 are formed from a conductive copper alloy, and are parallel to the second direction X2 at a predetermined pitch on both sides in the first direction X1 in the housing portion 112 of the first housing 110, as shown in FIGS. A plurality of each is arranged in the state. The plurality of contacts 130 arranged in parallel on one side in the first direction X1 in the accommodating portion 112 and the plurality of contacts 130 arranged in parallel on the other side in the first direction X1 in the accommodating portion 112 are fitted and detached. They are arranged symmetrically with respect to a plane defined by the direction and the second direction X2.

  As shown in FIGS. 4 and 5, the contact 130 has a first held portion 131 held by the holding portion 113 of the first housing 110 and a second held portion held by the holding portion 123 of the second housing 120. Part 132, a spring part 133 formed between the first held part 131 and the second held part 132, and formed on the tip side of the first held part 131 and exposed to the outside of the first housing 110. A terminal portion 134 soldered to one substrate (not shown, a second connection partner) and a counterpart contact 430 (first connection partner) of the counterpart connector 400 formed on the tip side from the second held portion 132. And a contact portion 135 connected to the. The contact 130 is formed by punching a plate-shaped metal base material into a predetermined shape and bending the predetermined portion.

As shown in FIG. 5, the spring portion 133 includes a pair of spring pieces 133a, a slit 133b formed between the pair of spring pieces 133a, and a pair of spring pieces 133a on both ends of the spring piece 133a. It is comprised from a pair of connection part 133c connected to. The pair of spring pieces 133a and the slit 133b extend along the direction from the first held portion 131 toward the second held portion 132 (that is, the first direction X1), and the pair of spring pieces 133a are parallel to each other. Is provided. A connecting portion 140 that connects the pair of spring pieces 133a to each other is formed at the center of the spring piece 133a (that is, the apex portion of a bent portion 133a-2 described later) . Consolidated unit 140 is provided as part of the contact 130. The slit 133 b is formed for the purpose of improving the flexibility of the spring portion 133 and adjusting the characteristic impedance of the contact 130.

The spring piece 133a is formed between a pair of linear portions 133a-1 extending from the connecting portion 133c to the vicinity of the connecting portion 140, and the pair of linear portions 133a-1, and is defined by the fitting / removing direction and the first direction X1. And a bent portion 133a-2 bent in a plane. The spring piece 133a has a U shape as a whole. Moreover , as shown in FIG. 7, the cross-sectional shape of the spring piece 133a has a rectangular shape.

  As shown in FIG. 4, the mating connector 400 includes a mating housing 420 molded from an insulating resin and a plurality of mating contacts 430 held by the mating housing 420.

  The mating contacts 430 are formed from a conductive copper alloy, and are arranged in the mating housing 420 in the same pitch as the contacts 130 and in parallel in the second direction X2. The mating contact 430 is configured to be elastically deformed inward in the first direction X1 and connected to the contact portion 135 of the contact 130 when the connector 100 and the mating connector 400 are fitted. .

Next, the operation of the contact 130 ′ when the connecting portion 140 is not provided will be described below based on FIGS. 6 and 7 shown as comparative examples. Contacts 130 as a comparative example ', as shown in FIGS. 6 and 7, with respect to except the connecting portion 140 is not provided is provided with exactly the same structure as the co Ntakuto 130 of FIG.

First, in accordance with the relative movement in the first direction X1 and / or the second direction X2 between the first housing 110 and the second housing 120 in common with the contact 130 of FIG. 5 and the contact 130 ′ of the comparative example . As shown in FIG. 6, the contacts 130 and 130 ′ are elastically deformed. Here, FIG. 6A shows the contact 130 ′ in a state where no force is applied and it is not elastically deformed, and FIG. 6B shows that the first housing 110 and the second housing 120 are connected to each other. FIG. 6 (c) shows the operation of the contact 130 ′ when it is moved relatively in the two directions X2, and FIG. 6C shows the contact when the first housing 110 and the second housing 120 are moved relatively in the first direction X1. The operation of 130 'is shown.

  Then, due to the elastic deformation of the contact 130 ′ according to the relative movement between the first housing 110 and the second housing 120, as shown in FIG. 7, the spring piece 133a of the contact 130 ′. Changes in position and tilt. Here, FIG. 7 is an explanatory view schematically showing each spring piece 133a when the contact 130 ′ is viewed in cross section at the apex portion of the bent portion of the spring piece 133a indicated by reference symbol A, and FIG. FIG. 7B shows a state where the slit interval between the pair of spring pieces 133a is widened, and FIG. 7C shows a pair of spring pieces 133a when the contact 130 ′ is not elastically deformed. FIG. 7D shows a state in which each spring piece 133a is tilted in a plane indicated by reference numeral A. FIG.

As described above, in the contact 130 ′ of the comparative example in which the connecting portion 140 is not provided, the slit interval between the pair of spring pieces 133a changes, so that the impedance of the contact 130 ′ changes, and FIG. ), When the slit interval between the pair of spring pieces 133a is widened, the adjacent interval between the adjacent contacts 130 ′ is narrowed, and a short circuit may occur between the adjacent contacts 130 ′. Then, in order to prevent a short circuit between contacts 130 'contact 130 changes or adjacent impedance' like this, the contact 130 shown in FIG. 5, is provided with a connecting portion 140 between the pair of spring pieces 133a .

Thus the connector 100 thus obtained, by connecting portions 140 are provided for connecting the spring piece 133a of the contacts 130 to each other, it can be suppressed a change in the slit interval between the spring pieces 133a Therefore, the impedance change of the contact 130 can be suppressed, the impedance matching with the mating connector 400 can be maintained satisfactorily, and the contact between the adjacent contacts 130 due to the change in the slit interval between the spring pieces 133a can be maintained. Short circuit can be prevented.

  Further, since the connecting portion 140 is provided at the apex portion of the bent portion 133a-2, a change in the slit interval between the spring pieces 133a can be reliably suppressed without impairing the spring property of the spring portion 133 of the contact 130. .

Next, the contact 230 according to the embodiment of the present invention will be described with reference to FIG. The contact 230 can be used in place of the contact 130 in the connector 100 described with reference to FIGS. Here, since the configuration of the contact 230 other than the connecting portion 240 is exactly the same as that of the contact 130 described above, the description of the configuration other than the connecting portion 240 is omitted.

In this contact 230, as shown in FIG. 8, the connection part 240 formed integrally with the contact 230 is provided in two places other than the bending part 133a-2. Specifically, the connection part 240 includes each linear part. A pair of spring pieces 133a are connected to each other at the center of 133a-1. Since the contact 230 also has such a connecting portion 240, it is possible to suppress a change in the slit interval between the pair of spring pieces 133a. A short circuit between adjacent contacts 230 can be prevented.

Next, a contact 330 as another comparative example will be described with reference to FIG. Here, since the configuration other than the connecting portion 340 is exactly the same as that of the contact 130 described above, the description of the configuration other than the connecting portion 340 is omitted.

As shown in FIG. 9, the contact 330 has a pair of spring pieces 133 a connected at the apex portion of the bent portion 133 a-2 by a connecting portion 340 provided as a separate member from the contact 330 . Consolidated portion 340 has been formed of an insulating resin, concrete material is not limited thereto, for example, it may be molded from a conductive metal. The contact 330 also has such a connecting portion 340, so that it is possible to suppress a change in the slit interval between the pair of spring pieces 133a. A short circuit between the contacts 330 can be prevented.

Above mentioned, has been described as being formed one slit in each contact, the slit may be a plurality of forms. In this case, there are three or more spring pieces.

Further, in the above mentioned, the each spring piece is a pair of linear portions of the contact, has been described as being composed of a single bent portion provided between the linear portions, the specific shape of the spring piece is this It is not limited to, For example, you may be comprised from the some bending part and the some linear part.

Further, the number of connecting portions for connecting the spring pieces of the contacts and the formation locations are not limited to the above-described examples, and can be arbitrarily determined according to the embodiment of the connector.

DESCRIPTION OF SYMBOLS 100 ... Connector 110 ... 1st housing 111 ... Main-body part 112 ... Accommodating part 113 ... Holding | maintenance part 120 ... 2nd housing 121 ... Main-body part 122 ... Receiving part 123 ... Holding part 130, 230, 330 ... Contact 131 ... First held part 132 ... Second held part 133 ... Spring part 133a ... Spring piece 133a-1 ... Straight part 133a-2 ... Bending part 133b ... Slit 133c ... Connection part 134 ... Terminal part 135 ... Contact part 140, 240, 340 ... Connecting part 400 ... Mating connector 420: mating housing 430: mating contact X1: first direction X2: second direction

Claims (2)

A first housing; a second housing provided movably with respect to the first housing; and a contact held by the first housing and the second housing;
The contact is between a first held portion held by the first housing, a second held portion held by the second housing, and the first held portion and the second held portion. A spring portion formed,
The spring portion includes two or more spring pieces, is composed of at least the two or more spring pieces from the two connecting portions connecting to each other at both ends thereof, and extending buildings slit along between said spring piece ,
Each of the spring pieces has a pair of straight portions extending from the two joint portions, and a bent portion connecting between the pair of straight portions,
A connecting portion for connecting the two or more spring pieces to each other is provided so as to cross the slit at a position corresponding to each of the pair of linear portions;
The connector, wherein the slit continuously extends between the connecting portions via the bent portion . In contact
The contact has a contact portion connected to the first connection counterpart, a terminal portion connected to the second connection counterpart, and a spring portion formed between the contact portion and the terminal portion,
The spring portion includes two or more spring pieces, is composed of at least the two or more spring pieces from the two connecting portions connecting to each other at both ends thereof, and extending buildings slit along between said spring piece ,
Each of the spring pieces has a pair of straight portions extending from the two joint portions, and a bent portion connecting between the pair of straight portions,
A connecting portion for connecting the two or more spring pieces to each other is provided so as to cross the slit at a position corresponding to each of the pair of linear portions;
The contact, wherein the slit continuously extends between the connecting portions through the bent portion .

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