JP2016207420A - Substrate-to-substrate connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a substrate-to-substrate connector having functions required in respective blocks in a split reinforcement member.SOLUTION: Disclosed is a substrate-to-substrate connector which includes a rectangle bottom surface, and a pair of side walls and a pair of end walls standing from four side edges of the bottom surface, inside which a recess is formed, and which receives a connector corresponding to the recess from the upward. A reinforcement member includes a body part covering a pair of end wall upper surfaces 16, a guide part covering an end wall inner surface 18, and, furthermore, a circuit board connection part which covers a side wall upper surface 19 and a side wall inner surface 21 at both ends of the pair of side walls so as to be in contact therewith and which extends from the body part. The reinforcement member is divided into two or more and composed of a dissimilar material.SELECTED DRAWING: Figure 4

Description

  The present invention relates to a board-to-board connector provided with a reinforcing member.

  The integral reinforcement member that covers a part of the side wall connected to the end wall of the socket housing can reinforce the necessary part with a single part, so it can be assembled efficiently and productivity can be expected. is there.

  However, the reinforcing member for the side wall portion and the end wall portion may be required not only for the purpose of reinforcement but also for a guide function and an electrical connection function. In that case, it is desired that a material can be selected according to each purpose, but there is a problem that it cannot be selected because it is an integral type. Further, if the housing is warped or twisted, the positional accuracy (coplanarity) of the contact tip and the reinforcing member tip may be lowered. However, since the reinforcing member is an integral type, the adjustment cannot be easily performed. There is.

JP 2014-239001 A JP 2012-79684 A

  The present invention has been made in view of the above problems, and when the portion of the plug connector that is reinforced with an integral reinforcing member includes two or more functionally required areas, each area is in addition to reinforcement. A required function, such as an electrical function or a mechanical function, may not be able to be handled by a single material. In such a case, an object of the present invention is to provide a board-to-board connector to which a reinforcing member having a function required for each area is assembled.

  In addition, when the housing is warped or twisted, the coplanarity of the contact tip and the reinforcing member tip that correspond to the board connecting portion varies, and in such a case, a board-to-board connector that can easily adjust the coplanarity of the reinforcing member is provided. With the goal.

  The board-to-board connector according to the present invention includes: (1) a rectangular bottom surface, a pair of side walls and a pair of end walls that stand up from the four side edges of the bottom surface; A board-to-board connector for receiving a corresponding connector, the main body part covering the upper surface of the pair of end walls and the guide part covering the inner peripheral surface, and further the upper surface and inner peripheral surface of both ends of the pair of side walls. A reinforcing member having a board connecting portion extending from the main body portion, wherein the reinforcing member is divided into two or more, and is characterized in that it is made of a different metal or different material. Is.

  According to the present invention, when the pair of reinforcing members on the side wall and the reinforcing member at the end need mechanical strength and electrical conductivity, it is possible to select a material suitable for each purpose. Different specifications can be used for surface treatment.

Preferably, in the board-to-board connector according to the present invention, (2) two or more divisions of the reinforcing member are the end wall portions and both end portions of the pair of side walls, each of which serves as a guide function of the corresponding connector. It is a thing of (1) description which has the characteristic in having.

  According to the present invention, since the reinforcing member is divided into two or more, in manufacturing the connector, the reinforcing member at the end is simultaneously formed and fed into a hoop, and the contact and the pair of reinforcing members on the side wall are simultaneously attached. Therefore, since the production capacity is higher than that of the integrated type, it can be manufactured at low cost.

  For example, the materials of the reinforcing member covering the pair of end wall portions and the reinforcing member covering the side wall portions may be a combination of different materials such as a Corson alloy, phosphor bronze, etc. In the surface treatment, different specifications, for example, a combination of gold plating and tin plating can be adopted.

FIG. 1 is an external perspective view of the entire board-to-board connector according to this embodiment before fitting. FIG. 2 is an external perspective view of the same board-to-board connector after fitting. FIG. 3 is an enlarged perspective view of a main part of the board-to-board connector. FIG. 4 is an exploded view of the socket connector. 5 is a cross-sectional view taken along line VV in FIG. FIG. 6 is an exploded view of the plug connector according to the present embodiment. FIG. 7 is a perspective view of the plug connector. FIG. 8 is an enlarged perspective view of the reinforcing member, (a) and (b) are enlarged views of the second reinforcing member (c) are enlarged views of the first reinforcing member. FIG. 9 is an external perspective view of the board-to-board connector of the second embodiment. FIG. 10 is an external perspective view of the board-to-board connector of the third embodiment.

  Embodiments of the present invention will be described with reference to the drawings. FIG. 1 is an external perspective view of the entire board-to-board connector according to the present embodiment. FIG. 2 is an external perspective view of the entire board-to-board connector. FIG. 3 is an enlarged perspective view of a main part of the board-to-board connector. FIG. 4 is an exploded view of the socket connector. 5 is a cross-sectional view taken along line VV in FIG. FIG. 6 is an exploded view of the plug connector according to the present embodiment. FIG. 7 is a perspective view of the plug connector. FIG. 8 is an enlarged perspective view of the reinforcing member. FIG. 9 is an external perspective view of the board-to-board connector of the second embodiment. FIG. 10 is an external perspective view of the board-to-board connector of the third embodiment.

  As shown in FIG. 1, the connector structure according to this embodiment includes a socket connector 5 attached to a circuit board 6 and a plug connector 1 assembled to the socket connector 5. The plug connector 1 is fitted and connected to the socket connector 5 from above, and the plug connector 1 is entirely fitted to the socket connector 5 as shown in FIG.

  The socket connector 5 is an insert molded product made of non-conductive synthetic resin. As shown in FIG. 1, the socket connector 5 has a box shape with four sides surrounded, and a groove is formed at the center. The socket connector 5 includes a bottom wall, left and right side walls, and front and rear end walls, and an island-shaped base is formed in the middle of the central groove.

  When the plug connector 1 is fitted and connected to the socket connector 5, the axis in the fitting connection direction may be shifted or fitted from an oblique direction. At this time, the end portion of the plug connector 1 hits the end wall 13 of the socket connector 5 and the peripheral side wall 14 thereof, and the impact may be concentrated on the contact portion.

  In the case of the connector structure according to the present embodiment, the plug reinforcing member provided in the plug connector 1 and the first reinforcing member 9 and the second reinforcing member 10 provided in the socket connector 5 first come into contact with each other. 1 is a structure in which the socket connector 5 is inserted into the socket connector 5.

  As a result, the end wall 13 of the socket connector 5 and the peripheral side wall 14 thereof are originally susceptible to damage such as scraping and breaking. However, in the case of the connector structure according to the present embodiment, the end wall 13 and the peripheral side wall thereof. 14 is covered with a reinforcing member, and since the reinforcing member is made of a metal material, the end wall 13 and its peripheral portion are not easily damaged.

  Further, the reinforcing member covers the end wall 13 and the peripheral side wall 14, and the plug reinforcing member 4, the first reinforcing member 9, and the second reinforcing member 10 are the first even when fitting connection is performed from an oblique direction. In this case, the end wall 13 of the socket connector 5 and the peripheral side wall 14 are not easily damaged.

  As shown in FIG. 3, the first reinforcing member 9 and the second reinforcing member 10 are made of different metals. The first reinforcing member 9 is phosphor bronze, and the second reinforcing member 10 is a Corson type. An alloy is used. Where conductivity is required, a consol-based alloy having excellent conductivity is used, and phosphor bronze is used where conductivity is not required so much in consideration of economy.

Also, the material of the contact 8 can be properly used according to the purpose. For example, since the contact 8 is required to be electrically conductive, for example, a Corson alloy is used, and a phosphor bronze can be used for the reinforcing member portion that is not required to be highly conductive.

  As a combination of different materials, there are, for example, a metal material and a synthetic resin, a metal material and a synthetic rubber other than metals. Moreover, the combination of the synthetic resins from which a property differs may be sufficient, and the combination of a synthetic resin and a synthetic rubber may be sufficient.

  As a specific example of a combination of different materials, for example, a synthetic resin of fiber reinforced plastic (FRP) may be used to increase hardness and make it less susceptible to damage, or an elastomer that can reduce damage by absorbing impact. An elastic synthetic resin such as may be used. Further, if necessary, conductive synthetic rubber or synthetic resin that can conduct electricity may be used.

  In addition, when a metal material is selected, surface treatment is generally performed, but the metal species to be surface treated can be easily changed. For example, the first reinforcing member 9 can be selected from a combination of tin plating, the second reinforcing member 10 can be selected from gold plating, and the contact 8 can be selected from a combination of gold plating surface treatments. As described above, the surface treatment can be combined according to the intended use.

  As shown in FIGS. 4 and 8, the socket connector 5 includes a housing 7, contacts 8, and a reinforcing member. The socket connector 5 is provided with a transporting bar at the end of the assembly transporting part 15 of the first reinforcing member 9, so-called insert molding is performed in this state, and the second reinforcing member 10 and the contact 8 are then housed in the housing. Attach to No. 7, and finally sever and divide the transport bars.

  The second reinforcing member 10 and the contact 8 are assembled to the housing 7 so as to be assembled at a predetermined position from above the housing 7. The second reinforcing member 10 is prevented from coming off from the housing 7 by the press-fit holding portion 34 press-fitted into a predetermined position of the housing 7.

  As shown in FIG. 5, the first reinforcing member 9 is already assembled to the housing 7 when the housing 7 is formed by a so-called insert molding method.

  As shown in FIG. 6, the plug reinforcing member 4 is attached to the plug housing 2 so as to be attached at a predetermined position from above the plug housing 2. The plug reinforcement member 4 is prevented from being detached from the plug housing 2 by a press-fit holding portion 23 that is press-fitted into a predetermined position of the plug housing 2. The plug contact 3 is embedded in the plug housing 2 by insert molding.

  As shown in FIG. 7, the plug reinforcing member 4 covers the upper surface 26, the outer surface 24, and the inner surface 27 of the plug housing end wall 25, and includes a first guide portion 29 that guides insertion of the corresponding socket connector 5. A second guide part 30 and a third guide part 31 are provided.

  As shown in FIGS. 8A and 8B, the reinforcing member includes a first guide portion 32 and a second guide portion 33 that guide the insertion of the mating plug connector 1. Is provided with a press-fit holding portion 34. A circuit board connecting portion 35 is provided at the tip of the main body 36.

  As shown in FIG. 8C, the first reinforcing member 9 includes a first guide part 37, a second guide part 38, and a third guide part 39 that guide the insertion of the mating plug connector 1.

  An exploded view of the reinforcing member of the second embodiment is shown in FIG. As a result, the material of the reinforcing member 42 is, for example, a Corson alloy and the contact 40 is a Corson alloy. The reinforcing member 42 and the contact 40 are assembled to the housing 41 so as to be assembled at a predetermined position from above the housing 41. Therefore, the reinforcing member 42 and the contact 40 can be processed simultaneously, and can be assembled to the housing 41 at the same time. As a result, the production capacity is high so that it can be manufactured at low cost.

  An exploded view of the reinforcing member of the third embodiment is shown in FIG. The first reinforcing member 45 is embedded in the housing 44 by insert molding. The second reinforcing member 46 is attached to the housing 44 so as to be attached at a predetermined position from above the housing 44. The second reinforcing member side surface 47 has spring elasticity like the contact. For example, the material of the first reinforcing member 45 is phosphor bronze, and the material of the second reinforcing member 46 is the same Corson alloy as that of the contact 43. In the surface treatment, the first reinforcing member 45 is tin-plated, and the second reinforcing member 46 and the contact 43 are gold-plated. Thus, by dividing the reinforcing member, it is possible to select a material and a surface treatment according to the purpose.

In the present embodiment, by dividing the reinforcing member, a metal having excellent conductivity can be used where conductivity is required, and a metal in consideration of economics can be selected where conductivity is not so required. Therefore, different metals can be used properly according to the purpose.
The reinforcing member can be a combination of, for example, a metal material and a synthetic resin, a metal material and a synthetic rubber, or a combination of synthetic resins having different properties. Can be combined.
In the case of a metal material, the first reinforcing member, the second reinforcing member, and the surface treatment of the contact can be combined according to the intended use.

In the second embodiment, by dividing the reinforcing member into two parts, the reinforcing member and the contact can be processed at the same time, and can be assembled to the housing at the same time. Therefore, the production capacity is higher than the integrated type. It can be manufactured at low cost.

In the third embodiment, by dividing the reinforcing member, the side of the second reinforcing member has spring elasticity like the contact, and the first reinforcing member has a guide function and a function corresponding to the use application. Will be able to.

The present invention is not construed as being limited to the above-described embodiments, and the combination of different metals and the selection of different materials can be appropriately selected as necessary.

DESCRIPTION OF SYMBOLS 1 Plug connector 2 Plug housing 3 Plug contact 4 Plug reinforcement member 5 Socket connector 6 Circuit board 7 Housing 8 Contact 9 1st reinforcement member 10 2nd reinforcement member 11 Groove part 12 Base part 13 End wall 14 Side wall 15 Assembly conveyance connection part 16 End wall upper surface 17 End wall outer surface 18 End wall inner surface 19 Side wall upper surface 20 Side wall outer surface 21 Side wall inner surface 22 Bottom 23 Press-fit holding portion 24 Outer surface 25 End wall 26 Upper surface 27 Inner surface 28 Bottom 29 First guide portion 30 Second guide portion 31 Third Guide part 32 First guide part 33 Second guide part 34 Press-fit holding part 35 Circuit board connection part 36 Main body 37 First guide part 38 Second guide part 39 Third guide part 40 Contact 41 Housing 42 Reinforcing member 43 Contact 44 Housing 45 First reinforcing member 46 Second reinforcing member 47 Second reinforcing member side surface

Claims (3)

A board-to-board connector having a rectangular bottom surface, a pair of side walls and a pair of end walls standing up from the four side edges of the bottom surface, each having a recess formed therein, and receiving the corresponding connector from above.
A main body part covering the upper surfaces of the pair of end walls and a guide part covering the inner peripheral surface, and further a substrate connecting part that covers the upper surface and inner peripheral surfaces of both ends of the pair of side walls and extends from the main body part A reinforcing member having
The said reinforcement member is divided | segmented into two or more, The board-to-board connector characterized by being comprised with the dissimilar metal or dissimilar material.   2. The board-to-board according to claim 1, wherein two or more divisions of the reinforcing member are the end wall part and both end parts of the pair of side walls, each having a guide function of the corresponding connector. connector.   The board-to-board connector according to claim 1, wherein the reinforcing member has spring elasticity on an inner surface and has a contact function.

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