JP2010092837A - Connector - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a connector which improves mounting strength on a base board through the use of a reinforcement plate. <P>SOLUTION: The reinforcement plate 30 secured on a connector body 10 is arranged on a bottom face of the connector body 10 so that it makes a plane contact with a base board 40 surface. Also, a plurality of openings 31 are arranged on a face of the reinforcement plate 30 in contact with the base board 40, securing an enough soldering area between the reinforcement plate 30 and the base board 40 when the reinforcement plate 30 is soldered to the base board 40, as solder sneaks not only into fringe areas of the reinforcement plate 30 but also into an edge area of each opening 31. With this, soldering strength improvement of the reinforcement plate 30 is made, leading to improvement of the mounting strength on the base board 40 when a mating connector is inserted and pulled out. Additionally, forming of each opening 31 contributes to weight reduction and improvement of heat transmission of the reinforcement plate 30 at soldering. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a connector used by being attached to a printed circuit board.

  Conventionally, this type of connector includes an insulating connector body having one end opened, a plurality of conductive terminals held by the connector body, and a reinforcing plate fixed to the connector body. A device in which a plate is soldered to a substrate is known (for example, see Patent Document 1).

  In this connector, by inserting the mating connector into one end opening of the connector body, the terminals of the mating connector come into contact with the terminals in the connector body, and are connected to the mating connector.

Japanese Utility Model Publication No. 5-66881

  However, in the connector, since a large load is applied due to insertion and removal of the mating connector, cracks are likely to occur in the soldered portion of the reinforcing plate, and the mounting strength of the reinforcing plate to the board could not be ensured sufficiently. .

  The present invention has been made in view of the above problems, and an object of the present invention is to provide a connector capable of improving the strength of attachment to a substrate by a reinforcing plate.

  In order to achieve the above object, the present invention includes an insulating connector main body having one end opened, a plurality of terminals held by the connector main body, and a reinforcing plate fixed to the connector main body. In the connector that is soldered to the substrate, the reinforcing plate is disposed on the bottom surface of the connector body so as to be in surface contact with the surface of the substrate, and a plurality of holes are provided in the surface of the reinforcing plate that contacts the substrate.

  As a result, when soldering the reinforcing plate to the substrate, the solder goes around not only the periphery of the reinforcing plate but also the edge of each hole, so that a sufficient soldering portion between the reinforcing plate and the substrate can be secured. .

  According to the present invention, a sufficient soldering portion between the reinforcing plate and the board can be secured, so that the soldering strength of the reinforcing board can be improved, and the board can be inserted into and removed from the mating connector. Mounting strength can be increased. In this case, by providing each hole, it is possible to reduce the weight of the reinforcing plate and improve heat transfer during soldering.

The upper surface side perspective view of the connector which shows the 1st Embodiment of this invention Bottom perspective view of connector Perspective view of reinforcing plate Side cross-sectional view of the connector showing the mounting state on the board The upper surface side perspective view of the connector which shows the 2nd Embodiment of this invention. Top side perspective view of the connector showing the mounting state to the mounting object The upper surface side perspective view of the connector which shows the 3rd Embodiment of this invention Perspective view of reinforcing plate Top side perspective view of the connector showing the mounting state to the mounting object Side view of the connector showing the state of attachment to the object

  1 to 4 show a first embodiment of the present invention. The connector shown in FIG. 1 includes an insulating connector body 10 having one end opened, a plurality of terminals 20 held in the connector body 10 at intervals in the width direction, and a reinforcing plate 30 fixed to the connector body 10. And is used by being attached to the substrate 40.

  The connector body 10 is made of a synthetic resin molded product, and is formed in a hollow shape having an open end. The connector main body 10 includes an upper wall 11, a rear wall 12, a lower wall 13, and left and right side walls 14, and a mating connector (not shown) such as a plug connector is inserted into one end opening. . A plurality of projections 15 projecting downward are provided on the lower surface of the connector body 20, and each projection 15 is engaged with a plurality of mounting holes 41 provided in the substrate 40.

  Each terminal 20 is made of a metal pin having conductivity, and is formed in a substantially L shape. Each terminal 20 is arranged in two upper and lower rows in the connector main body 10, and one end side of each terminal 20 is disposed on one end opening side of the connector main body 10. The other end side of each terminal 20 extends through the back wall 12 of the connector body 10 to the outside, and is bent downward in a substantially L shape from the back side of the connector body 10.

  The reinforcing plate 30 is made of a substantially rectangular metal plate disposed on the lower surface of the connector main body 10 so as to be in surface contact with the surface of the substrate 40, and is integrally formed with the connector main body 10 by insert molding. The reinforcing plate 30 is provided with holes 31 formed of a plurality of slits extending in the front-rear direction, and the holes 31 are arranged in the width direction of the reinforcing plate 30 at intervals. Protruding pieces 32 extending outward in the width direction are provided at both ends in the width direction of the reinforcing plate 30, and bending pieces 33 that are bent upward are provided before and after each protruding piece 32. Each bent piece 33 is embedded in each side wall 14 of the connector main body 10 at the time of insert molding, and the reinforcing plate 30 is fixed to the connector main body 10 by each bent piece 33. In this case, each bent piece 33 is provided with a circular through hole 33a, and the integrity with the connector body 10 by insert molding is enhanced by each through hole 33a. Further, an engagement piece 34 protruding forward is provided at the front end of the reinforcing plate 30, and the engagement piece 34 is inserted into an engagement hole (not shown) of the mating connector.

  In the connector configured as described above, each protrusion 15 of the connector main body 10 is engaged with each mounting hole 41 of the substrate 40, and the other end of each terminal 20 and the reinforcing plate 30 are soldered to the substrate 40. 40. At that time, since the solder goes around not only the peripheral edge of the reinforcing plate 30 but also the edge of each hole 31, a soldering portion between the reinforcing plate 30 and the substrate 40 is sufficiently secured.

  Thus, according to the connector of the present embodiment, the reinforcing plate 30 fixed to the connector main body 10 is disposed on the bottom surface of the connector main body 10 so as to be in surface contact with the surface of the substrate 40, and Since the plurality of holes 31 are provided on the surface in contact with each other, when the reinforcing plate 30 is soldered to the substrate 40, the solder wraps around not only the peripheral edge of the reinforcing plate 30 but also the edge of each hole 31. A sufficient soldering portion with the substrate 40 can be secured. Thereby, the soldering strength of the reinforcing plate 30 can be improved, and the mounting strength of the mating connector with respect to the board 40 when the mating connector is inserted and removed can be increased. Further, by providing each hole 31, it is possible to reduce the weight of the reinforcing plate 30 and improve heat transfer during soldering.

  In this case, since each hole 31 of the reinforcing plate 30 is formed by a plurality of slits arranged in the width direction, the length of the edge of each hole 31 can be sufficiently secured, and the soldering strength is improved. Very advantageous.

  In addition, since the connector body 10 is provided with the plurality of protrusions 15 that engage with the holes 41 of the board 40, the engagement of the protrusions 15 with the holes 41 allows the connector body 10 to be inserted into and removed from the mating connector. The movement can be restricted, and the attachment strength to the substrate 40 can be further increased.

  Furthermore, since the engagement piece 34 that engages the mating connector is provided on the reinforcing plate 30, the movement of the mating connector can be restricted by the reinforcing plate 30, and the force applied from the mating connector during insertion and removal is reduced. can do.

  Further, since the reinforcing plate 30 is integrally formed with the connector main body 10 by insert molding, the reinforcing plate 30 can be firmly fixed to the connector main body 10 and a process of attaching the reinforcing plate 30 to the connector main body 10 is unnecessary. Thus, productivity can be improved.

  5 and 6 show a second embodiment of the present invention, in which components equivalent to those of the above-described embodiment are denoted by the same reference numerals.

  The connector of the present embodiment is fixed to a plate-like attachment object 50 such as a housing of a device in which the substrate 40 is accommodated, and the attachment object 50 has an opening through which one end side of the connector main body 10 is inserted. A part 51 is provided.

  The connector body 10 of the present embodiment is provided with a plurality of protrusions 14a as engaging portions that engage with the attachment object 50, and the protrusions 14a are spaced from each other on the outer surface of each side wall 14 in the front-rear direction and the up-down direction. Is provided. Each side wall 14 of the connector body 10 is provided with an extending portion 14b extending rearward, and the other end side of each terminal 20 is covered from both sides by each extending portion 14b.

  In the present embodiment, the connector main body 10 is engaged with the attachment object 50 as shown in FIG. 6 by sandwiching the edge of the opening 51 of the attachment object 50 between the protrusions 14a arranged at the front and rear. It has become. Thereby, the one end opening part of the connector main body 10 is arrange | positioned in the outer surface side of the attachment target object 50, and the other party connector is connected from the outer side of the attachment target object 50. FIG.

  According to the present embodiment, since the connector main body 10 is engaged with the attachment target object 50 by the protrusions 14a, the movement of the connector main body 10 in the insertion and removal directions of the mating connector is regulated by the attachment target object 50. The attachment strength to the board 40 can be further increased.

  FIGS. 7 to 10 show a third embodiment of the present invention, and the same components as those in the first and second embodiments are denoted by the same reference numerals.

  The reinforcing plate 30 of the present embodiment is provided with a fixing piece 35 that is fixed to the attachment object 50, and the fixing piece 35 is formed so as to extend downward from the front end side of the reinforcing plate 30. The fixing piece 35 is provided with a screwing hole 35a, and the attachment object 50 is provided with a screwing hole 52 corresponding to the hole 35a of the fixing piece 35.

  In the connector of the present embodiment, the connector main body 10 is engaged with the attachment target object 50 by the protrusions 14 a, and the fixing piece 35 of the reinforcing plate 30 is fixed to the inner surface of the attachment target object 50. At that time, the fixing piece 35 is fixed to the attachment object 50 by screws (not shown) that pass through the holes 35 a and 52 of the fixing piece 35 and the attachment object 50.

  According to the present embodiment, since the reinforcing plate 30 is fixed to the attachment object 50 by the fixing piece 35, the movement of the reinforcement plate 30 in the insertion and removal directions of the mating connector is regulated by the attachment object 50. The attachment strength to the board 40 can be further increased.

  In the third embodiment, the projection 14a that engages the attachment target object 50 and the fixed piece 35 that is fixed to the attachment target object 50 are shown. Of these, only the fixed piece 35 may be provided.

  Also in the second and third embodiments, as in the first embodiment, the reinforcing plate 30 may be provided with an engagement piece 34 that engages with the mating connector.

  DESCRIPTION OF SYMBOLS 10 ... Connector main body, 14a ... Protrusion, 20 ... Terminal, 30 ... Reinforcement plate, 31 ... Hole, 34 ... Engagement piece, 35 ... Fixed piece, 40 ... Board | substrate, 41 ... Mounting hole, 50 ... Attachment object, 51 ... Aperture.

Claims (8)

In a connector provided with an insulating connector body having one end opened, a plurality of terminals held by the connector body, and a reinforcing plate fixed to the connector body, each terminal and the reinforcing plate being soldered to a substrate ,
The reinforcing plate is disposed on the bottom surface of the connector body so as to be in surface contact with the surface of the substrate,
An electrical connector comprising a plurality of holes in a surface of the reinforcing plate that contacts the substrate. The connector according to claim 1, wherein each hole of the reinforcing plate is formed by a plurality of slits arranged in the width direction. The connector according to claim 1, wherein a protrusion that engages with a hole provided in the board is provided on the connector body. The connector according to claim 1, wherein the reinforcing plate is provided with an engaging portion that engages with the mating connector. The connector according to claim 1, 2, 3, or 4, wherein the connector main body is provided with an engaging portion that engages with an attachment object having an opening through which one end of the connector main body is inserted. The connector according to claim 5, wherein a fixing portion that is fixed to an attachment object is provided on the reinforcing plate. The connector according to claim 1, 2, 3, 4, or 5, wherein the reinforcing plate is provided with a fixing portion that is fixed to an attachment object having an opening through which one end side of the connector main body is inserted. The connector according to claim 1, 2, 3, 4, 5, 6 or 7, wherein the reinforcing plate is formed integrally with the connector body by insert molding.

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