JP5845080B2 - connector - Google Patents

Description

  The present invention relates to a connector.

  As this kind of technology, as shown in FIG. 17 of this application, Patent Document 1 discloses a base material 101 in which a plurality of openings 100 are formed in a predetermined pitch direction, and an insulating layer 102 disposed on the base material 101. A contact portion 103 formed on the insulating layer 102 and between the openings 100, and a conductor portion 104 disposed in the contact portion 103. The contact portion 103 is formed in a substantially U shape. The connector 105 is disclosed in which the conductor portion 104 is a contact portion that contacts the mating connector.

JP 2006-228612 A

  However, in the configuration of Patent Document 1, since the conductor portion 104 serving as a contact portion with respect to the mating connector is exposed to the outside, there is a possibility that the connector portion may be damaged when the connector is fitted.

  An object of the present invention is to provide a connector that is not easily damaged when the connector is fitted.

According to an aspect of the present invention, there is provided a connector that is used by being mounted on a substrate, wherein an insulating layer is formed on a metal plate, and a plurality of conductive patterns are formed on the insulating layer. There is provided a connector , comprising: a contact body that functions as a contact of the contact member; and an outer frame body that is formed of a metal plate and surrounds the contact body, wherein the contact body and the outer frame body are formed as separate bodies. The
Preferably, the contact body and the outer frame body have a fitting portion for positioning both.
Preferably, the fitting portion is a locking portion.
Preferably, the contact body has a plurality of cantilevers, and the plurality of conductive patterns are respectively formed on the plurality of cantilevers.
Preferably, the outer frame body has an opening into which the contact body of the mating connector can be inserted into the frame, and covers at least a part of the elastic deformation portion of the contact body in the insertion direction, The deforming portion is the plurality of cantilevers.
Preferably, a plurality of the contact bodies are provided.
Preferably, the plurality of cantilevers of each contact body are staggered .

  According to this invention, since the said contact body is surrounded by the said outer frame body, the said contact body is hard to be damaged at the time of connector fitting. In addition, since the outer frame body and the contact body are formed as separate bodies, the degree of freedom in design is higher than when the outer frame body and the contact body are integrally formed.

FIG. 1 is a perspective view of the connector unit in a fitted state. (First embodiment) FIG. 2 is a perspective view of the connector unit before fitting. (First embodiment) FIG. 3 is a perspective view of the plug connector mounted on the plug-side substrate. (First embodiment) FIG. 4 is an exploded perspective view of the receptacle connector. (First embodiment) FIG. 5 is a perspective view of an outer frame body of the receptacle connector. (First embodiment) FIG. 6 is a perspective view of the outer frame of the receptacle connector viewed from another angle. (First embodiment) FIG. 7 is a perspective view of the contact body. (First embodiment) FIG. 8 is a perspective view of the contact body viewed from another angle. (First embodiment) FIG. 9 is a front view of the contact body. (First embodiment) FIG. 10 is a perspective view of the receptacle connector. (Second Embodiment) FIG. 11 is a front view of the receptacle connector. (Second Embodiment) FIG. 12 is a perspective view of the receptacle connector. (Third embodiment) FIG. 13 is a perspective view of a contact body. (Third embodiment) FIG. 14 is a perspective view of the contact body viewed from another angle. (Third embodiment) FIG. 15 is a plan view of two contact bodies arranged side by side. (Third embodiment) FIG. 16 is an enlarged view of a portion A in FIG. (Third embodiment) FIG. 17 is a diagram corresponding to FIG.

(First embodiment)
A first embodiment of the present invention will be described with reference to FIGS.

(Connector unit 1)
As shown in FIGS. 1 and 2, the connector unit 1 (board-to-board connector) is a receptacle connector 3 (connector, first connector, first board) that is used by being mounted on a receptacle-side board 2 (board, first board). A housingless connector) and a plug connector 5 (mating connector, second connector, second housingless connector) used by being mounted on the plug side substrate 4 (second substrate, see also FIG. 3). The receptacle-side substrate 2 and the plug-side substrate 4 are electrically connected by fitting the plug connector 5 to the receptacle connector 3.

(Receptacle connector 3)
As shown in FIG. 4, the receptacle connector 3 includes a contact body 6 and an outer frame body 7. The contact body 6 and the outer frame body 7 are formed as separate bodies. That is, the contact body 6 and the outer frame body 7 are formed in a state of being separated from each other, and are integrated in a subsequent process. As shown in FIG. 4, the contact body 6 has a plurality of cantilever beams M8 (elastic deformation portions). As shown in FIGS. 2 and 4, the plurality of cantilevers M <b> 8 are arranged in two rows along the surface direction of the connector mounting surface 2 a of the receptacle side substrate 2.

  Here, with reference to FIG. 2, “pitch direction”, “pitch orthogonal direction”, and “height direction” are defined. The “pitch direction” means a direction included in the surface direction of the connector mounting surface 2a of the receptacle-side substrate 2 and a direction in which a large number of cantilevers M8 are arranged. “Pitch direction” includes “pitch center direction” and “pitch anti-center direction”. The “pitch center direction” is a direction approaching the center of the connector unit 1 (receptacle connector 3). The “pitch anti-center direction” is a direction away from the center of the connector unit 1 (receptacle connector 3). The “pitch orthogonal direction” is a direction included in the surface direction of the connector mounting surface 2a of the receptacle-side substrate 2 and is a direction orthogonal to the pitch direction. The “pitch orthogonal direction” includes “pitch orthogonal center direction” and “pitch orthogonal anti-center direction”. The “pitch orthogonal central direction” is a direction approaching the center of the connector unit 1 (receptacle connector 3). The “pitch orthogonal anti-center direction” is a direction away from the center of the connector unit 1 (receptacle connector 3). The “height direction” is a direction orthogonal to the connector mounting surface 2 a of the receptacle-side substrate 2. “Height direction” includes “substrate proximity direction” and “substrate separation direction”. The “board proximity direction” is a direction approaching the connector mounting surface 2 a of the receptacle-side board 2. The “board separation direction” is a direction away from the connector mounting surface 2 a of the receptacle-side board 2. The “pitch direction”, “pitch orthogonal direction”, “height direction”, and the like are also applied to the plug connector 5 as they are.

(Outer frame 7)
As shown in FIGS. 5 and 6, the outer frame body 7 is formed by bending a metal plate into a sheet metal, and includes a top plate 9, a pair of pitch direction side plates 10, and a pair of pitch orthogonal direction sides. And a side plate 11.

  The top plate 9 is arranged on the side opposite to the receptacle-side substrate 2 with the contact body 6 interposed therebetween so as to be substantially parallel to the receptacle-side substrate 2. The top plate 9 is formed with an insertion opening 12 (opening) into which the plug connector 5 is inserted. In other words, the top plate 9 is formed so as to surround the insertion opening 12. The insertion openings 12 are elongated in the pitch direction. The top plate 9 has a continuous peripheral edge 13 surrounding the insertion opening 12.

  The pair of pitch direction side plates 10 are connected to the pitch direction end portions of the top plate 9 and extend in the substrate proximity direction. Each pitch direction side plate 10 is substantially orthogonal to the top plate 9 (receptacle side substrate 2). A hold down 14 is formed at the end of each pitch direction side plate 10 in the substrate proximity direction. Each hold-down 14 is formed by bending an end portion of each pitch direction side plate 10 in the substrate proximity direction in the pitch center direction. Each hold down 14 is substantially parallel to the receptacle-side substrate 2. As shown in FIG. 6, each hold down 14 is formed with an attachment recess 15 (fitting portion) for attaching the contact body 6.

  The pair of pitch orthogonal direction side plates 11 are connected to the end of the top plate 9 in the pitch orthogonal direction and are formed to extend in the substrate proximity direction. Each pitch orthogonal direction side plate 11 is substantially orthogonal to the top plate 9 (receptacle side substrate 2).

(Contact body 6)
As shown in FIG. 7, the contact body 6 forms the insulating layer I on the metal plate M, and forms a plurality of conductive patterns c on the insulating layer I, so that the metal plate M functions as a plurality of contacts. ing. As shown in FIGS. 7 and 8, the metal plate M of the contact body 6 includes a main body M16, the plurality of cantilevers M8 described above, and a pair of attachment parts M17 (fitting parts). It is configured.

  The main body M16 supports a plurality of cantilevers M8. The main body M16 is substantially parallel to the receptacle-side substrate 2 and is formed elongated in the pitch direction.

  The plurality of cantilevers M8 are arranged in two rows so as to sandwich the main body M16 in the direction perpendicular to the pitch. As shown in FIG. 9, each cantilever beam M8 includes a horizontal part M30, a first curved part M31, an inclined part M32, a second curved part M33, and a folded part M34 in order from the fixed end to the free end. ing. The horizontal portion M30 is a portion that is connected to an end portion of the main body portion M16 in the direction perpendicular to the pitch, is substantially parallel to the direction perpendicular to the pitch, and extends slightly inclined in the substrate separation direction. The first bending portion M31 is a portion that is connected to the horizontal portion M30 and is bent in the order of the substrate separation direction and the central direction perpendicular to the pitch. The inclined portion M32 is a portion that is connected to the first curved portion M31, is substantially parallel to the central direction perpendicular to the pitch, and extends slightly inclined in the substrate separation direction. The second bending portion M33 is a portion that is connected to the inclined portion M32 and is bent in the substrate proximity direction. The folded portion M34 is connected to the second bending portion M33, extends in the direction perpendicular to the pitch and in the substrate proximity direction, and corresponds to the free end of the cantilever M8.

  The pair of attachment portions M17 shown in FIG. 8 are portions for attaching the contact body 6 to the outer frame body 7.

  The insulating layer I of the contact body 6 is formed on the entire surface including the substrate facing surface Ma, which is the surface of the metal plate M on the receptacle side substrate 2 side. The insulating layer I is made of, for example, polyimide or aramid. Alternatively, the insulating layer I may be formed as an oxide film of the metal plate M itself.

  As described above, a plurality of conductive patterns c are formed on the insulating layer I of the metal plate M configured as described above. As shown in FIGS. 7 and 8, each conductive pattern c is formed so as to straddle each cantilever M8 and the main body M16. That is, the number of conductive patterns c and the number of cantilever beams M8 are the same. As shown in FIG. 8, a plurality of bulging portions 18 that bulge toward the receptacle-side substrate 2 are formed on the surface M16a (a part of the substrate facing surface Ma) of the main body M16 on the receptacle-side substrate 2 side. . The plurality of bulging portions 18 are staggered. Each conductive pattern c is formed so as to overlap each bulging portion 18, so that each conductive pattern c itself bulges slightly toward the receptacle-side substrate 2.

  As described above, in this embodiment, the receptacle connector 3 is configured as a so-called housingless connector that does not have a resin housing.

(Plug connector 5)
Next, the plug connector 5 will be described with reference to FIGS. In the plug connector 5 shown in FIG. 2, an insulating layer I is formed on a metal plate M, and a plurality of conductive patterns e are formed on the insulating layer I, thereby causing the metal plate M to function as a plurality of contacts.

  As shown in FIG. 3, the metal plate M of the plug connector 5 includes a main body M40, a pair of hold-down parts M41, and a contact part M42 (contact body).

  The main body portion M40 supports the contact portion M42. The main body M40 is substantially parallel to the plug-side substrate 4 and is elongated in the pitch direction.

  Each hold-down part M41 is a part for soldering the main body part M40 to the plug-side substrate 4. Each hold-down portion M41 is formed at both ends in the pitch direction of the main body M40.

  The contact portion M42 is formed in a substantially spiral shape when viewed in the pitch direction, and includes a first contact portion M50, an insertion tip portion M51, a second contact portion M52, and a folded portion M53. The first contact portion M50 is connected to the end portion of the main body portion M40 in the direction perpendicular to the pitch and extends in the substrate proximity direction. The insertion tip portion M51 is connected to the first contact portion M50 and is formed to extend in the direction perpendicular to the pitch. The second contact portion M52 is connected to the insertion tip portion M51 and is formed to extend in the board separation direction. The folded portion M53 is connected to the second contact portion M52 and is formed to extend in the direction perpendicular to the pitch.

  As shown in FIG. 2, the insulating layer I of the plug connector 5 is formed on the entire surface including the substrate facing surface Ma, which is the surface of the metal plate M on the plug-side substrate 4 side. The insulating layer I is made of, for example, polyimide or aramid. Alternatively, the insulating layer I may be formed as an oxide film of the metal plate M itself.

  On the insulating layer I of the metal plate M configured as described above, a plurality of conductive patterns e are formed. As shown in FIG. 3, the plurality of conductive patterns e include a plurality of first conductive patterns e1 and a plurality of second conductive patterns e2. The first conductive pattern e1 and the second conductive pattern e2 are alternately formed in the pitch direction. The first conductive pattern e1 is formed so as to straddle the main body portion M40, the first contact portion M50, and the insertion tip portion M51. The first conductive pattern e1 is formed wide at the first contact portion M50. The second conductive pattern e2 is formed so as to straddle the main body portion M40, the first contact portion M50, the insertion tip portion M51, and the second contact portion M52. The second conductive pattern e2 is formed wide at the second contact portion M52. As shown in FIG. 2, a plurality of bulging portions 60 that bulge toward the plug-side substrate 4 are formed on the surface M40a (a part of the substrate facing surface Ma) of the main body M40 on the plug-side substrate 4 side. ing. The plurality of bulging portions 60 are staggered. Each conductive pattern e is formed so as to overlap with each bulging portion 60, so that each conductive pattern e bulges toward the plug-side substrate 4 side.

  As described above, in the present embodiment, the plug connector 5 is configured as a so-called housingless connector that does not have a resin housing, like the receptacle connector 3.

(Operation)
Next, the operation of the connector unit 1 will be described.

  First, after the contact body 6 and the outer frame body 7 are formed as separate bodies, the mounting portions M17 of the contact body 6 shown in FIG. 8 are attached to the mounting recess portions 15 of the outer frame body 7 shown in FIG. Then, the contact body 6 and the outer frame body 7 are integrated to form the receptacle connector 3. The contact body 6 and the outer frame body 7 are positioned by the presence of each attachment recess 15 and each attachment M17. 2 and 4, the outer frame body 7 has an insertion opening 12 (opening) through which the contact portion M42 (contact body) of the plug connector 5 (mating connector) can be inserted into the frame. Part) and covers at least a part of the cantilever M8 (elastically deformable part) of the contact body 6 in the insertion direction.

  Next, the hold-down 14 of the outer frame 7 of the receptacle connector 3 shown in FIG. 6 is soldered to a hold-down pad (not shown) of the receptacle-side substrate 2. At this time, a portion of each conductive pattern c of the contact body 6 of the receptacle connector 3 shown in FIG. Solder to the electrode pad.

  Similarly, the hold-down part M41 of the plug connector 5 shown in FIG. 3 is soldered to a hold-down pad (not shown) of the plug-side substrate 4. At this time, a portion of each conductive pattern e of the plug connector 5 shown in FIG. 2 bulged toward the plug side substrate 4 by the bulging portion 60 is a connector mounting surface 4a of the plug side substrate 4 (see also FIG. 3). ) Is soldered to an electrode pad (not shown).

  Thereafter, the contact portion M42 of the plug connector 5 shown in FIG. 3 may be inserted into the insertion opening 12 of the top plate 9 of the outer frame body 7 shown in FIG. By this insertion, the contact portion M42 of the plug connector 5 shown in FIG. 3 spreads each cantilever M8 of the contact body 6 shown in FIG. 7, and the receptacle connector 3 by the self-elastic restoring force of each cantilever M8. The conductive patterns c are in electrical contact with the conductive patterns e of the plug connector 5.

  Although the preferred first embodiment of the present invention has been described above, the first embodiment has the following features.

  That is, the receptacle connector 3 (connector) is a contact body that allows the metal plate M to function as a plurality of contacts by forming the insulating layer I on the metal plate M and forming a plurality of conductive patterns c on the insulating layer I. 6 and an outer frame body 7 surrounding the contact body 6, and is used by being mounted on the receptacle-side substrate 2 (substrate). The contact body 6 and the outer frame body 7 are formed as separate bodies. According to the above configuration, since the contact body 6 is surrounded by the outer frame body 7, the contact body 6 is hardly damaged when the connector is fitted. In addition, since the outer frame body 7 and the contact body 6 are formed as separate bodies, the degree of freedom in design is higher than when the outer frame body 7 and the contact body 6 are formed integrally.

  The contact body 6 has a plurality of cantilevers M8. The plurality of conductive patterns c are formed on the plurality of cantilever beams M8, respectively. That is, since the cantilever M8 is easily damaged, according to the above configuration, the technical significance of the configuration in which the contact body 6 is surrounded by the outer frame body 7 is further clarified.

  Although the first embodiment of the present invention has been described above, the first embodiment can be modified as follows.

  The outer frame 7 may be made of resin instead of metal.

  The attachment part M17 of the contact body 6 may function as a fitting part for positioning, and may function as a locking part that locks the resin outer frame body 7.

(Second Embodiment)
Next, a second embodiment of the present invention will be described with reference to FIGS. Here, the present embodiment will be described with a focus on differences from the first embodiment, and overlapping descriptions will be omitted as appropriate. In addition, in principle, the same reference numerals are assigned to components corresponding to the respective components of the first embodiment.

  As shown in FIG. 4, the receptacle connector 3 includes a single contact body 6 in the first embodiment. On the other hand, in this embodiment, the receptacle connector 3 includes two contact bodies 6 as shown in FIGS. As shown in FIG. 11, the two contact bodies 6 are arranged side by side in the pitch orthogonal direction. Two insertion openings 12 are formed in the top plate 9 of the outer frame 7 of the receptacle connector 3. Each insertion opening 12 corresponds to each contact body 6. As shown in FIG. 11, an insulating wall or the like that partitions the two contact bodies 6 is not formed between the two contact bodies 6, and the two contact bodies 6 face each other directly.

  As described above, the receptacle connector 3 includes a plurality of contact bodies 6, so that the number of pins can be easily realized.

(Third embodiment)
Next, a third embodiment of the present invention will be described with reference to FIGS. Here, the present embodiment will be described with a focus on differences from the second embodiment, and a duplicate description will be omitted as appropriate. In addition, in principle, the same reference numerals are assigned to components corresponding to the components of the second embodiment.

  As shown in FIG. 12, in this embodiment, the receptacle connector 3 includes two contact bodies 6 as in the second embodiment.

  As shown in FIGS. 13 and 14, the plurality of cantilever beams M8 of each contact body 6 are staggered in a plan view. A substrate connecting portion M70 is formed on the opposite side of each cantilever M8 across the main body M16. The board connecting part M70 is connected to the main body part M16 and extends in a direction away from the corresponding cantilever M8. Each conductive pattern c is formed so as to straddle the cantilever M8, the main body M16, and the board connection M70.

  Thus, by arranging the cantilever beams M8 in a staggered manner in each contact body 6, as shown in FIGS. 15 and 16, the width W in the pitch direction of each cantilever beam M8 is set to the above-described first embodiment or Compared with the second embodiment, it is possible to ensure a large amount. Therefore, a large cross-sectional second moment of each cantilever beam M8 can be secured, and thus a strong self-elastic restoring force of the cantilever beam M8 can be obtained, which contributes to improvement in connection reliability.

  Further, by arranging the cantilever beams M8 in a staggered manner in each contact body 6, as shown in FIGS. 15 and 16, a large distance D between a pair of cantilever beams M8 adjacent in the pitch direction is secured. Accordingly, the one contact body 6 and the other contact body 6 are brought close to each other so that the cantilever M8 of one contact body 6 and the cantilever M8 of the other contact body 6 slightly overlap in the pitch direction. It is possible to arrange them closely, thereby contributing to the miniaturization of the receptacle connector 3.

1 Connector unit 2 Receptacle side board (board)
2a Connector mounting surface 3 Receptacle connector (connector)
4 Plug side board 4a Connector mounting surface 5 Plug connector (mating side connector)
6 Contact body 7 Outer frame body 9 Top plate 10 Pitch direction side plate 11 Pitch orthogonal direction side plate 12 Insertion opening (opening)
13 Perimeter 14 Hold down 15 Mounting recess (fitting part)
18 bulging part 60 bulging part
I Insulation layer
M metal plate
Ma substrate facing surface
M8 cantilever (elastically deformed part)
M16 body
M16a side
M17 Mounting part (fitting part)
M30 horizontal section
M31 1st bending part
M32 ramp
M33 2nd bending part
M34 Folding part
M40 body
M40a side
M41 Holddown section
M42 Contact part (contact body)
M50 1st contact part
M51 Insertion tip
M52 Second contact part
M53 folded part
M70 board connection part c conductive pattern e conductive pattern e1 first conductive pattern e2 second conductive pattern
D distance
W width

Claims (4)

A connector used by being mounted on a board,
Forming an insulating layer on the metal plate, and forming a plurality of conductive patterns on the insulating layer, thereby causing the metal plate to function as a plurality of contacts; and a plurality of contact bodies;
An outer frame formed of a metal plate and surrounding the plurality of contact bodies;
With
The plurality of contact bodies and the outer frame body are formed as separate bodies,
Each contact body has a plurality of cantilevers, and the plurality of conductive patterns are respectively formed on the plurality of cantilevers,
The plurality of cantilevers of each contact body are arranged in a staggered manner,
The plurality of contact bodies are arranged side by side in a direction perpendicular to the pitch orthogonal to the pitch direction in which the plurality of cantilevers are arranged,
The plurality of cantilevers of the two contact bodies adjacent in the pitch orthogonal direction overlap in the pitch direction.
connector. The connector according to claim 1,
The plurality of contact bodies and the outer frame body have a fitting portion for positioning both.
connector. The connector according to claim 2,
The fitting portion is a locking portion.
connector. The connector according to any one of claims 1 to 3 ,
The outer frame member, a contact member of a mating connector having insertable opening therein frame and covers at least a portion of said plurality of cantilevers each co Ntakuto body in its insertion direction,
connector.

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