JP5694242B2 - Electrical connector - Google Patents

Description

  The present invention relates to an electrical connector mounted on a board such as a rigid board.

  An example of the electrical connector is a USB (Universal Serial Bus) connector (see, for example, Patent Documents 1 and 2). The USB connector has a plug connector and a receptacle connector.

  The receptacle connector described in Patent Document 1 includes a shell, a housing made of an insulating member, metal wiring, and a contact. The shell is formed in a cylindrical shape made of a metal material. The top plate of the shell is formed with a protruding portion that protrudes toward the space in the shell. A housing is disposed inside the shell. The housing holds metal wiring and contacts. The metal wiring is configured to contact the metal wiring of the plug connector. The metal wiring of the receptacle connector is connected to a contact. The contact is electrically connected to the printed circuit board. The metal wiring and the contact are formed by a single L-shaped component. With the above configuration, when the plug connector is fitted into the receptacle connector, the tip of the plug connector is received by the protrusion of the shell. Thereby, the force from the plug connector is received by the protrusion, and the action of an excessive force on the housing is suppressed.

  The shell in the connector described in Patent Document 2 has support legs that are soldered to the printed wiring board. The shell has an auxiliary support piece disposed adjacent to the front side of the support leg. The auxiliary support piece is soldered to the surface of the printed wiring board. Thereby, the shell is firmly fixed to the printed wiring board.

JP 2009-64676 A ([0035] to [0043]) JP 2006-134734 A ([0018], [0021])

  Normally, the housing is not completely fixed to the shell, and is assembled to the shell with a predetermined play (gap) from the shell. That is, the housing is movable with respect to the shell within the shell. With such a configuration, when the plug connector is pushed into the receptacle connector, the housing of the receptacle connector receives a force from the plug connector and freely moves in the shell. When the plug connector is pulled out from the receptacle connector, the housing of the receptacle connector receives a force from the plug connector and moves loosely in the shell as described above. Accordingly, in the receptacle connector, the contact supported by the housing also swings with the portion fixed to the substrate as a fulcrum.

  Therefore, when the operation of inserting and removing the plug connector with respect to the receptacle connector is repeated, the force in the direction in which the plug connector is inserted into the contact and the force in the direction in which the plug connector is pulled out are alternately connected to the contact in the receptacle connector. Act on. For this reason, fatigue resulting from the above-described repetitive force occurs in the peripheral portion of the contact fixed to the substrate. As a result, the solder member that fixes the contact to the substrate may be cracked or broken. In particular, a connector used for a portable PC (Personal Computer) or the like is required to be thinner than before. Therefore, for the contact, it may be difficult to adopt a shape with excellent flexibility for sufficiently releasing the above repeated force, and suppressing cracks and breakage in the solder member fixing the contact, difficult. In particular, in the case of a USB connector or the like, the user performs a connector insertion / removal operation many times. In addition, the user may perform the connector insertion / removal operation roughly. In this case, the user inserts and removes the plug connector by applying an oblique force to the receptacle connector. When such an insertion / removal operation is performed, the stress generated in the contact and the solder member becomes larger. Therefore, breakage and cracks of the solder member fixing the contact are likely to occur. Further, the contact itself may be broken and cracked due to the stress generated in the contact.

  Patent Document 1 describes a protrusion in a receptacle connector that receives a force from a plug connector with a shell. However, it cannot be said that sufficient consideration has been given to the configuration for reducing the load on the contacts held in the housing.

  Patent Document 2 describes an auxiliary support piece for increasing the bonding strength between a shell of a receptacle connector and a substrate. However, it cannot be said that sufficient consideration has been given to the configuration for reducing the load on the contacts held in the housing. Similar problems exist in connectors other than the receptacle connector.

  In view of the above circumstances, an object of the present invention is to provide an electrical connector that can more reliably suppress damage to a fixing material for fixing a contact to a substrate and damage to the contact.

An electrical connector according to a first invention for achieving the above object is an electrical connector configured to be mounted on a board and having a mating connector detachable in a direction parallel to the surface of the board. An opening into which the mating connector displaced in a predetermined first direction can be inserted, and is configured to be fixed to the substrate, using a shell and an insulating material, A housing supported by the shell; and a contact formed using a conductive material and supported by the housing. The contact is disposed to be fixed to the substrate so as to be electrically connectable to the substrate, and to be spaced apart from the fixed portion in a second direction opposite to the first direction, and A contact portion capable of contacting the contact of the mating connector. The fixed portion includes a first end portion as an end portion on the first direction side and a second end portion as an end portion on the second direction side. The housing includes at least one of a first receiving portion and a second receiving portion. The housing includes a first receiving portion. The first receiving portion is disposed in at least one of the same position as the position of the first end portion in the second direction and a position on the second direction side with respect to the position of the first end portion. And is configured to be received by the surface of the substrate. The second receiving portion is received by the shell so as to be restricted from being displaced in the first direction with respect to the shell. The housing further includes a vertical wall portion disposed in the shell and extending in a direction perpendicular to the surface of the substrate and surrounded by the shell. In the orthogonal direction, the first receiving portion is disposed in the middle of the vertical wall portion. The shell has a top wall portion arranged on the surface side of the substrate and configured to receive the vertical wall portion.

  According to this invention, it can suppress reliably that a housing displaces with respect to a board | substrate. Thereby, the displacement of the contact supported by the housing with respect to the substrate is also suppressed. As a result, it is possible to suppress the occurrence of high stress around the fixed portion of the contact due to the displacement of the contact. Therefore, according to the present invention, it is possible to provide an electrical connector that can more reliably suppress damage to the fixing material for fixing the contact to the substrate and damage to the contact.

  More specifically, the mating connector is originally connected to the electrical connector by being displaced straight along the first direction. However, when the connection work is performed manually, the worker displaces the mating connector with respect to the electrical connector, for example, in a direction that is oblique to the first direction (the surface of the board). There is a case. In this case, the housing of the electrical connector receives a force around the axis line orthogonal to the first direction and parallel to the surface of the substrate from the mating connector. However, since at least one of the first receiving portion and the second receiving portion is provided, the force around the axis is received by at least one of the first receiving portion and the second receiving portion. Therefore, it can suppress that a housing displaces with respect to a shell and a board | substrate. Thereby, since it can suppress that a load acts on the contact currently hold | maintained at the housing, it can suppress that a high stress generate | occur | produces around the fixing | fixed part of a contact. Therefore, even when the connector connection operation is repeated many times, damage around the fixed portion of the contact can be more reliably suppressed.

  Further, the counterpart connector is originally removed from the electrical connector by being displaced straight along the second direction. However, when the removal work is performed by hand, the worker displaces the mating connector in a direction facing obliquely with respect to the second direction (the surface of the board), thereby connecting the mating connector to the electrical connector. May be removed from. Also in this case, as in the case described above, the housing of the electrical connector receives a force around the axis line orthogonal to the first direction and parallel to the surface of the substrate from the mating connector. However, the force around the axis is received by at least one of the first receiving portion and the second receiving portion. Therefore, similarly to the case where the mating connector is connected to the electrical connector, it is possible to suppress the occurrence of high stress around the fixed portion of the contact. Thereby, even when the connector removal operation is repeated many times, damage around the fixed portion of the contact can be more reliably suppressed.

  The electrical connector according to a second aspect of the invention is defined in the electrical connector of the first aspect, wherein a third direction is defined as a direction orthogonal to the second direction and parallel to the surface of the substrate. In the third direction, the position of the fixed portion and the position of the first receiving portion are set to be different.

  According to this invention, it can suppress that the fixing material for fixing a fixing | fixed part to a board | substrate contacts a 1st receiving part. Examples of the fixing material include a solder member and a conductive adhesive. As a result of suppressing the fixing material from contacting the first receiving portion, the first receiving portion can be reliably brought into contact with the substrate. Therefore, the contact damage prevention effect by providing the first receiving portion can be more reliably exhibited.

  The electrical connector according to a third aspect of the present invention is the electrical connector of the first aspect or the second aspect, wherein a third direction is defined as a direction orthogonal to the second direction and parallel to the surface of the substrate. . A plurality of the second receiving portions are provided apart from each other in the third direction.

  According to this invention, it can suppress more reliably that a housing displaces with respect to a board | substrate. Specifically, as described above, the counterpart connector is originally connected to the electrical connector by being displaced straight along the first direction. However, for example, when the connection work is performed manually, the operator can set the mating connector in a direction that is parallel to the surface of the board but inclined with respect to the first direction with respect to the electrical connector. May be displaced. In this case, the housing receives a force around an axis perpendicular to the substrate from the mating connector. However, a plurality of second receiving portions that are spaced apart in the third direction are received by the shell. For this reason, even when the above-mentioned force around the axis acts on the housing, the displacement of the housing relative to the shell can be regulated. Therefore, since it can suppress that a load acts on the contact currently supported by the housing, it can control that high stress arises around the fixed part of a contact. Therefore, even when the connector connection operation is repeated many times, damage around the fixed portion of the contact can be more reliably suppressed.

  In addition, as described above, the mating connector is originally removed from the electrical connector by being displaced straight along the second direction. However, when the removal work is performed manually, the worker may try to pull out the counterpart connector while shaking it in the third direction with respect to the electrical connector. In this case, the housing receives a force around an axis perpendicular to the substrate from the mating connector. However, a plurality of second receiving portions that are spaced apart in the third direction are received by the shell. For this reason, even when the force around the axis acts on the housing, the displacement of the housing relative to the shell can be regulated. Therefore, since it can suppress that a load acts on the contact currently supported by the housing, it can control that high stress arises around the fixed part of a contact. Thereby, even when the connector removal operation is repeated many times, damage around the fixed portion of the contact can be more reliably suppressed.

  An electrical connector according to a fourth aspect of the present invention is the electrical connector according to any one of the first to third aspects of the invention, wherein the shell is a flat plate-shaped wall main body, and the wall main body is directed toward the second receiving portion. And a protruding portion that receives the second receiving portion.

  According to this invention, the location which receives a 2nd receiving part among shells can be prescribed | regulated reliably. Therefore, the effect of restricting the displacement of the housing relative to the shell can be exhibited as designed by the second receiving portion. In addition, a gap is formed between the wall body of the shell and the protruding portion. Thereby, even when the dimensional accuracy in the periphery of the wall body and the second receiving portion is lowered, unnecessary contact between the housing and the shell can be suppressed by the presence of the gap. Therefore, the manufacturing operation of the electrical connector can be performed more easily.

  An electrical connector according to a fifth aspect of the present invention is the electrical connector according to any one of the first to fourth aspects of the invention, wherein the second receiving portion is disposed on the first direction side with respect to the fixed portion.

  According to this invention, a 2nd receiving part can be arrange | positioned in the vicinity of the edge part area | region of the 1st direction side among the space in a shell. Therefore, the second receiving portion can be formed in a sufficiently large size without hindering the space for arranging the mating connector.

  ADVANTAGE OF THE INVENTION According to this invention, the electrical connector which can suppress damage of a contact more reliably can be provided.

It is a side view which shows the electrical connection apparatus which concerns on embodiment of this invention, and has shown one part in the cross section. (A) is a perspective view of a part of an electrical connection device showing a state in which a substrate is viewed from the surface side. (B) is a perspective view of a part of the electrical connection device, showing a state in which the substrate is viewed from the back side. It is a top view of the 1st connector. It is a perspective view of the 2nd connector. (A) is a top view which shows a part of electrical connection apparatus. (B) is a front view which shows a part of electrical connection apparatus. (C) is a side view which shows a part of electrical connection apparatus. It is the perspective view which looked at the 2nd connector from the bottom wall side of the shell. (A) is a side view of a housing. (B) is a bottom view of a housing. It is sectional drawing which follows the arrow VIII-VIII cross section of FIG. It is sectional drawing which follows the arrow IX-IX cross section of FIG. It is sectional drawing which follows the XX line of FIG. It is a top view which shows a part of 2nd connector, and has shown the peripheral part of the 2nd receiving part. (A) is a side view which shows the state which the 2nd connector and the 1st connector have isolate | separated. (B) is a side view which shows the state in which the 2nd connector and the 1st connector are connected, and has shown one part in the cross section. It is a top view for demonstrating the attachment or detachment operation | work with a 1st connector and a 2nd connector. It is a top view of the principal part for demonstrating the modification of this invention. It is sectional drawing of the principal part for demonstrating another modification of this invention.

  Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings. In addition, this invention is widely applicable to various uses as an electrical connector which is mounted in a board | substrate and the other party connector can be attached or detached.

  FIG. 1 is a side view showing an electrical connection device 1 according to an embodiment of the present invention, and a part thereof is shown in cross section. As shown in FIG. 1, the electrical connection device 1 includes a connector unit 2, a cable 3, and a substrate 4.

  In this embodiment, the connector unit 2 is used as a USB (Universal Serial Bus) 3.0 connector. The connector unit 2 is used, for example, for board-to-wire connection that electrically connects the substrate 4 and the cable 3 to each other.

  In the present embodiment, the connector unit 2 is described as an example of a form used for connecting the substrate 4 and the cable 3, but this need not be the case. For example, the connector unit 2 may be used for board-to-board connection for connecting boards.

  The cable 3 is provided to electrically connect the connector unit 2 and an electric device (not shown). The cable 3 has a configuration in which a plurality of electric wires are covered with an insulating coating. One end of the cable 3 is connected to the connector unit 2. The other end of the cable 3 is connected to the electrical device. The cable 3 is electrically connected to the substrate 4 via the connector unit 2. The substrate 4 is, for example, a PC (Personal Computer) motherboard. The board | substrate 4 is formed in flat form using the printed wiring board. The thickness of the substrate 4 is about 1 mm.

  FIG. 2A is a perspective view of a part of the electrical connection device 1 showing a state in which the substrate 4 is viewed from the front surface 4a side. FIG. 2B is a perspective view of a part of the electrical connection device 1 showing a state in which the substrate 4 is viewed from the back surface 4b side. As shown in FIGS. 1 and 2B, the substrate 4 includes a front surface 4a, a back surface 4b, an edge 4c, a recess 4d, shell fixing holes 6, 7, 8, 9 and a plurality of first One through hole 11 and a plurality of second through holes 12 are provided.

  The front surface 4a and the back surface 4b are each formed as a substantially flat surface. The edge 4c extends linearly. A concave portion 4d is formed in the edge portion 4c. The recess 4 d is formed so as to penetrate the substrate 4 in the thickness direction of the substrate 4. The recessed portion 4d is provided as a portion into which a later-described second connector 14 of the connector unit 2 is fitted. The recess 4d is formed in a rectangular shape in plan view. The concave portion 4d has a pair of first side portions 4e, 4e and a second side portion 4f. The pair of first side portions 4e, 4e extend perpendicular to the edge portion 4c and are parallel to each other. The second side portion 4f extends so as to connect the pair of first side portions 4e, 4e. Through holes 11 and 12 and shell fixing holes 6 to 9 are formed around the recess 4d having the above-described configuration.

  The shell fixing holes 6 and 7 are adjacent to the pair of first side portions 4e and 4e, and are adjacent to the edge portion 4c. The shell fixing holes 8 and 9 are adjacent to the second side 4f of the recess 4d. A first through hole 11 is formed at a position between the shell fixing holes 8 and 9.

  The first through hole 11 is provided to fix a first contact 21 described later of the second connector 14. The number of first through holes 11 is the same as the number of first contacts 21 (four in this embodiment). The plurality of first through holes 11 are arranged at equal intervals in a direction parallel to the direction in which the second side portion 4f extends. Each first through hole 11 has a circular shape in plan view. A second through hole 12 is formed so as to be adjacent to each first through hole 11.

  The second through hole 12 is provided to fix a second contact 22 described later of the second connector 14. The number of second through holes 12 is the same as the number of second contacts 22 (five in this embodiment). The plurality of second through holes 12 are arranged at equal intervals in a direction parallel to the direction in which the second side portion 4f extends. Each second through hole 12 has a circular shape in plan view. The first through hole 11 is disposed between the plurality of second through holes 12 and the second side portion 4f. The connector unit 2 is attached to the board 4 having the above configuration.

  The connector unit 2 includes a first connector (plug connector, mating connector) 13 and a second connector (receptacle connector, electrical connector) 14.

  The first connector 13 is detachable from the second connector 14. When connecting the first connector 13 to the second connector 14, the operator displaces the first connector 13 in a predetermined first direction D <b> 1 with respect to the second connector 14. The first direction D1 is a direction parallel to the surface 4a of the substrate 4, and the pair of first side portions 4e, 4e is away from the edge portion 4c. The first connector 13 is inserted into the second connector 14 by the above displacement operation. FIG. 1 shows a state in which the first connector 13 is inserted into the second connector 14.

  When releasing the connection between the first connector 13 and the second connector 14, the operator moves the first connector 13 in the second direction D 2 opposite to the first direction D 1 with respect to the second connector 14. Displace along. Thereby, the first connector 13 is pulled out from the second connector 14. In addition, below, the direction orthogonal to the 1st direction D1 (2nd direction D2) and parallel to the surface 4a and the edge part 4c may be called the 3rd direction D3 below.

  FIG. 3 is a plan view of the first connector 13. As shown in FIGS. 1 and 3, the first connector 13 includes a shell 15, a housing 16, a cover 17, a first contact 18, and a second contact 19.

  The shell 15 is made of a metal material. The shell 15 is formed in a cylindrical shape, and is formed in a hollow quadrangular prism shape in the present embodiment. The shell 15 holds the housing 16. The housing 16 is formed using an insulating material such as synthetic resin. The shell 15 holds the first contact 18 and the second contact 19.

  A plurality of first contacts 18 and second contacts 19 are provided. The total number of first contacts 18 and the number of second contacts 19 is the same as the number of poles of the connector unit 2. In the present embodiment, four first contacts 18 are provided, and five second contacts 19 are provided. In the present embodiment, the connector unit 2 is a 9-pole connector unit. The first contact 18 and the second contact 19 are each formed using a conductive material such as a metal material.

  The first contacts 18 and the second contacts 19 are alternately arranged along the third direction D3 and are accommodated in the shell 15. Each first contact 18 and each second contact 19 are electrically connected to the cable 3.

  The cover 17 is formed using an insulating material such as a synthetic resin, and covers a part of the shell 15 and a part of the cable 3. The first connector 13 having the above configuration is configured to be detachable from the second connector 14. In the present embodiment, the electrical connection device 1 will be described below with reference to the state where the second connector 14 is mounted on the substrate 4 unless otherwise described.

  The second connector 14 includes a shell 20, a first contact 21, a second contact 22, and a housing 23.

  FIG. 4 is a perspective view of the second connector 14. FIG. 5A is a plan view showing a part of the electrical connection device 1. FIG. 5B is a front view showing a part of the electrical connection device 1. FIG. 5C is a side view showing a part of the electrical connection device 1.

  As shown in FIGS. 1, 2 (a), 2 (b), 4, 5 (a), 5 (b), and 5 (c), the shell 20 uses a metal plate. Is formed. In the present embodiment, the shell 20 is formed by subjecting a single metal plate to pressing, bending, and the like. The shell 20 is formed in a cylindrical shape. In the present embodiment, the shell 20 has a rectangular shape in front view. The shell 20 has an insertion space 24 as a space into which the first connector 13 is inserted. An end portion on the second direction D2 side of the shell 20 forms an opening 25. The opening 25 is provided as an inlet that receives the first connector 13 that is displaced in the first direction D <b> 1 into the insertion space 24.

  The shell 20 is fitted in the recess 4 d of the substrate 4 and is fixed to the substrate 4. The shell 20 protrudes toward the front surface 4 a side of the substrate 4 and protrudes toward the back surface 4 b side of the substrate 4 in a state where the shell 20 is fitted into the recess 4 d. As described above, since the shell 20 is fitted in the recess 4d, the length occupied by the board 4 and the second connector 14 as a whole in the fourth direction D4 as the thickness direction of the board 4 can be shortened. That is, the board 4 and the second connector 14 as a whole are reduced in height. The fourth direction D4 is orthogonal to the first direction D1 and orthogonal to the third direction D3.

  The shell 20 has a top wall 26, a bottom wall 27, a pair of side walls 28 and 29, and a rear wall 30.

  The top wall 26 is disposed on the surface 4 a side of the substrate 4. The top wall 26 is formed in a rectangular shape and is orthogonal to the fourth direction D4. The top wall 26 supports elastic pieces 26a, 26b, 26c and retaining protrusions 26d, 26e. Each of the elastic pieces 26 a, 26 b, and 26 c is formed in a small piece extending toward the bottom wall 27, and has a tip that protrudes toward the bottom wall 27. In a state where the first connector 13 is connected to the second connector 14, the distal ends of the elastic pieces 26 a and 26 b are fitted into the holes 15 a and 15 b (see FIG. 3) of the shell 15 of the first connector 13. Further, the elastic piece portion 26 c is configured to contact the shell 15 and pressurize the shell 15. Thereby, the coupling state of the first connector 13 and the second connector 14 is maintained.

  The retaining protrusions 26d and 26e are provided with respect to the shell 20 to prevent the housing 23 from being displaced in the first direction D1. Each of the retaining protrusions 26d and 26e is formed in a small piece extending from the end 26f on the first direction D1 side of the top wall, and has a shape that proceeds toward the bottom wall 27 as it proceeds in the second direction D2. have. The retaining protrusions 26 d and 26 e are disposed in the vicinity of the pair of side walls 28 and 29 on the top wall 26.

  The pair of side walls 28 and 29 have symmetrical shapes. Therefore, the configuration of one side wall 28 of the pair of side walls 28 and 29 will be mainly described, and the detailed description of the other side wall 29 will be omitted. One side wall 28 includes a side wall main body 31, a fixing piece portion 32, an elastic piece portion 33, a first cutout portion 34, a fixing piece portion 35, a lock piece portion 36, and a second cutout portion 37. ,have.

  The side wall body 31 is formed in a flat plate shape and extends so as to be orthogonal to the top wall 26. A fixing piece 32 extends from the side wall body 31.

  The fixing piece 32 is disposed in the vicinity of the opening 25. The fixing piece 32 extends from the side wall main body 31 toward the shell fixing hole 6 of the substrate 4. A part of the fixing piece 32 is inserted into the shell fixing hole 6 and fixed to the peripheral surface of the shell fixing hole 6 by a solder member (not shown). A part of the fixing piece 32 on the other side wall 29 is inserted into the shell fixing hole 7 of the substrate 4 and is fixed to the peripheral surface of the shell fixing hole 7 by a solder member (not shown). Yes. On one side wall 28, the elastic piece portion 33 is disposed at a position on the first direction D1 side with respect to the fixing piece portion 32.

  The elastic piece portion 33 is formed in a small piece shape extending from the middle portion of the side wall main body 31 and has a tip portion that protrudes toward the inside of the insertion space 24. In a state where the first connector 13 is connected to the second connector 14, the distal end portion of the elastic piece portion 33 is configured to contact the shell 15 of the first connector 13 and pressurize the shell 15. A first notch 34 is formed on the elastic piece 33 on the first direction D1 side. The first cutout 34 is formed in a shape opened toward the substrate 4 in a side view. The fixing piece 35 is disposed on the first direction D1 side with respect to the first notch 34.

  The fixing piece 35 extends toward the shell fixing hole 8 of the substrate 4. The distal end portion of the fixing piece 35 is inserted into the shell fixing hole 8 and is fixed to the peripheral surface of the shell fixing hole 8 by a solder member (not shown). The fixing piece 35 on the other side wall 29 is inserted into the shell fixing hole 9 of the substrate 4 and is fixed to the peripheral surface of the shell fixing hole 9 by a solder member (not shown). A lock piece 36 is disposed at a position adjacent to the fixing piece 35.

  The lock piece 36 is a projecting portion formed on the outer surface of the side wall body 31. The lock piece 36 is provided for coupling with a lock hole 42 described later. A second notch 37 is formed at a position adjacent to the lock piece 36.

  The second notch 37 is formed so as to cut out a part of the side wall body 31 adjacent to the top wall 26. The 2nd notch part 37 is formed in the edge part by the side of the 1st direction D1 in the side wall main body 31, and is open | released by the 1st direction D1 side. A bottom wall 27 is disposed between the pair of side walls 28 and 29 having the above-described configuration.

  The bottom wall 27 is disposed on the back surface 4 b side of the substrate 4. The bottom wall 27 is formed in a rectangular flat plate shape. In the first direction D <b> 1, the length of the bottom wall 27 is shorter than the length of the top wall 26. Thereby, the edge part area | region by the side of the 1st direction D1 among the insertion spaces 24 is open | released toward the board | substrate 4 side. The bottom wall 27 supports the elastic pieces 27a and 27b.

  Each of the elastic pieces 27 a and 27 b is formed in a small piece extending from the middle part of the bottom wall 27, and has a tip that protrudes toward the inside of the insertion space 24. In a state where the first connector 13 is connected to the second connector 14, the tip portions of the elastic pieces 27 a and 27 b are fitted into holes (not shown) formed in the shell 15 of the first connector 13. It is configured. Since the elastic pieces 26a, 26b, 26c, 33, 27a, and 27b are in contact with the shell 15 of the first connector 13, the shell 15 is coupled to the shell 20 of the second connector 14 with sufficient coupling force. ing.

  The rear wall 30 is configured to close a region of the insertion space 24 on the surface 4 a side of the substrate 4. The rear wall 30 is disposed so as to be adjacent to the surface 4 a of the substrate 4. The rear wall 31 is formed in a rectangular shape extending elongated along the third direction D3. The rear wall 30 is continuous with the top wall 26 via a pair of connection pieces 38 and 39. The pair of connection pieces 38 and 39 are arranged separately in the third direction D3. The rear wall 30 is provided with a pair of extending pieces 40 and 41.

  The pair of extending pieces 40, 41 are continuous with the pair of end portions of the rear wall 30 in the third direction D3, and extend toward the corresponding side walls 28, 29. One extending piece 40 extends along the outer surface of one side wall 28. One extending piece 40 is formed with a lock hole 42. A lock piece 36 is fitted in the lock hole 42. The other extending piece 41 has a lock hole portion 42 similar to the lock hole portion 42 of the one extending piece 40, although not shown. The lock hole portion 42 of the other extending piece 41 is coupled to the lock piece portion 36 of the other side wall 29. With the above configuration, the rear wall 30 is restricted from swinging with the connection pieces 38 and 39 as fulcrums.

  On the other hand, when the coupling between the lock hole portion 42 and the lock piece portion 36 is released, the rear wall 30 can be displaced to a position where the insertion space 24 is opened with the pair of connection pieces 38 and 39 as fulcrums. is there. In a state where the rear wall 30 does not block the insertion space 24, the housing 23 can be inserted into the shell 20 along the second direction D2. The shell 20 having the above configuration surrounds the first contact 21 and the second contact 22.

  FIG. 6 is a perspective view of the second connector 14 as viewed from the bottom wall 27 side of the shell 20. In FIG. 6, the substrate 4 is indicated by a two-dot chain line as an imaginary line. As shown in FIGS. 1 and 6, the first contact 21 is provided to be electrically connected to the first contact 18 by contacting the first contact 18 of the first connector 13. A plurality (four in this embodiment) of the first contacts 21 are provided, and the number of the first contacts 21 is the same as the number of the first contacts 18. The plurality of first contacts 21 are arranged at equal intervals in the third direction D3. Since the configuration of each first contact 21 is the same, the configuration of one first contact 21 will be mainly described below.

  The first contact 21 is a plate-like conductive member in which a plating layer is formed on the surface of a metal material. In the present embodiment, the first contact 21 is formed in an L shape. The first contact 21 has a first piece 45, a second piece 46, and a bent portion 48.

  The first piece 45 extends along the fourth direction D4. A part of the first piece 45 protrudes from the insertion space 24 toward the substrate 4 and has a fixing portion 47. The fixing portion 47 is inserted into the corresponding first through hole 11 of the substrate 4, and is fixed to the peripheral surface of the first through hole 11 by a solder member 49. Thereby, the first contact 21 is electrically connected to the first through hole 11 of the substrate 4. The fixing portion 47 has a first end portion 47a as an end portion on the first direction D1 side, and a second end portion 47b as an end portion on the second direction D2 side. Both the first end portion 47a and the second end portion 47b are formed in a flat plate shape.

  The first piece 45 is continuous with the second piece 46 via the bent portion 48. The bent portion 48 has a shape bent approximately 90 degrees. The second piece portion 46 extends from the bent portion 48 so as to face the second direction D2 and is adjacent to the top wall 26. A portion of the second piece 46 that is separated from the bent portion 48 has an elastic piece 46a.

  The elastic piece 46a has flexibility and can be elastically deformed. A contact portion 21a is formed on the elastic piece portion 46a. The contact portion 21 a is formed in a mountain shape that protrudes toward the bottom wall 27, and is configured to contact the first contact 18 of the first connector 13. As described above, the contact portion 21a is arranged to be separated from the fixing portion 47 of the first contact 13 on the second direction D2 side.

  The height of the bent portion 48 of the first piece 45 from the surface 4a of the substrate 4 is set to a low value of about several mm. Thereby, the amount by which the first contact 21 protrudes from the surface 4a of the substrate 4 can be reduced. However, the amount by which the first piece 45 of the first contact 21 can be bent is also reduced. For this reason, when a load is applied to the first piece 45 in the first direction D1 or the second direction D2, the stress distribution effect due to the bending of the first piece 45 in the first piece 45 is sufficient. It is difficult to demonstrate. Therefore, when a load is applied to the first contact 21, the stress of the first contact 21 and the stress of the solder member 49, particularly the stress of the first piece 45, the stress of the bent portion 48, and the stress of the solder member 49 are generated. , Easy to get high. In the present embodiment, the first receiving portion 63 and the second receiving portion 67 are provided in the housing 23 in order to suppress an increase in stress of the first piece 45, the bent portion 48, the solder member 49, and the like. ing. Details of the configuration of the first receiving portion 63 and the second receiving portion 67 will be described later. The second contact 22 is arranged so as to be aligned with the first contact 21 in the third direction D3.

  The second contact 22 is provided so as to be electrically connected to the second contact 19 by directly contacting the second contact 19 of the first connector 13. A plurality of second contacts 22 (five in this embodiment) are provided, and the number of second contacts 22 is the same as the number of second contacts 19. The second contacts 22 are arranged at equal intervals in the third direction D3. In the third direction D3, the first contacts 21 and the second contacts 22 are alternately arranged. Since the configuration of each second contact 22 is the same, the configuration of one second contact 22 will be mainly described below.

  The second contact 22 is a plate-like conductive member in which a plating layer is formed on the surface of a metal material. In the present embodiment, the second contact 22 is formed in an L shape. The second contact 22 has a first piece 51, a second piece 52, and a bent portion 54.

  The first piece 51 extends along the fourth direction D4. A part of the first piece 51 protrudes from the insertion space 24 toward the substrate 4 and has a fixing portion 53. The fixing portion 53 is inserted into the corresponding second through hole 12 of the substrate 4 and is fixed to the peripheral surface of the second through hole 12 by a solder member (not shown in FIGS. 1 and 6). ing. Thereby, the second contact 22 is electrically connected to the second through hole 12 of the substrate 4. The first piece 51 is continuous with the second piece 52 via the bent portion 54. The bent portion 54 is formed in a shape bent by approximately 90. The second piece portion 52 extends from the bent portion 54 so as to face the second direction D <b> 2 and is adjacent to the top wall 26. A contact portion 22 a is formed at the distal end portion of the second piece portion 52. As described above, the contact portion 22a is arranged to be separated from the fixed portion 53 on the second direction D2 side. The contact portion 22 a is configured to contact the second contact 19 of the first connector 13. The contact portion 22a is disposed on the second direction D2 side with respect to the contact portion 21a of the first contact 21.

  The height of the bent portion 54 from the surface 4a of the substrate 4 is larger than the height of the bent portion 48 of the first contact 21 from the surface 4a. Thereby, the quantity which the 1st piece part 51 can bend is also large. For this reason, when a load acts on the second contact 22, the stress dispersion effect due to the bending of the first piece 51 in the first piece 51 is sufficiently exhibited. Therefore, it is possible to suppress the stress of the second contact 22, in particular, the stress around the fixed portion 53 in the first piece portion 51 from increasing. That is, the configuration for suppressing cracks and breakage due to stress in the second contact 22 is ensured by the second contact 22 itself.

  The first contact 21 and the second contact 22 having the above-described configuration are supported by a housing 23.

  FIG. 7A is a side view of the housing 23. FIG. 7B is a bottom view of the housing 23. As shown in FIGS. 1, 5A, 5B, 6, 7A, and 7B, the housing 23 is formed using a material such as synthetic resin. It is an insulator. In the present embodiment, the housing 23 is formed by injection molding. The housing 23 is disposed in the insertion space 24 and is supported by the shell 20.

  The housing 23 includes a housing main body 61, a vertical wall portion 62, a first receiving portion 63, a beam portion 64, a pair of rear side walls 65 and 66, and a pair of second receiving portions 67 and 67. ing.

  The housing body 61 is formed in a rectangular plate shape that extends in a direction parallel to the first direction D1. The housing body 61 is disposed in the insertion space 24 and is disposed adjacent to the top wall 26 of the shell 20.

  The housing body 61 is configured to hold the first contact 21. Specifically, the housing main body 61 has an accommodation groove 68. The accommodation groove portions 68 are provided in the same number as the number of the first contacts 21 (four in the present embodiment), and are arranged at equal intervals in the third direction D3. Each accommodation groove 68 extends in the first direction D1. Each accommodation groove 68 faces the bottom wall 27 of the shell 20. Of each accommodation groove 68, the end on the first direction D1 side is open toward the first direction D1. Each accommodating groove 68 accommodates the corresponding second piece 46 of the first contact 21. In FIG. 7B, a part of the second piece 46 of each first contact 21 is indicated by a two-dot chain line. A part of the second piece 46 of each first contact 21 is fixed to the accommodation groove 68. The first piece 45 of each first contact 21 is disposed outside the accommodation groove 68.

  The housing body 61 is configured to accommodate the second contact 22. Specifically, most of the second piece 52 of the second contact 22 is embedded in the housing body 61. For example, when the housing 23 is resin-molded, the second contact 22 is inserted into a mold for resin molding. From the housing main body 61, the contact portion 22a of the second contact 22 is exposed. In FIG. 7B, the contact portion 22a of each second contact 22 is indicated by a two-dot chain line. The first piece 51 of each second contact 22 is disposed outside the housing body 61. In the housing body 61 having the above-described configuration, the vertical wall portion 62 is disposed in the vicinity of the end portion on the first direction D1 side. The vertical wall portion 62 is provided as a portion received by the shell 20. The vertical wall 62 extends so as to be orthogonal to the first direction D <b> 1, and the vertical wall 62 is disposed so as to surround the housing main body 61.

  The vertical wall portion 62 protrudes on both sides in the third direction D3 with respect to the housing main body 61 and is sandwiched between the pair of side walls 28 and 29 of the shell 20. However, in the third direction D3, the length of the vertical wall portion 62 is set to be about 0.1 mm smaller than the distance between the pair of side walls 28 and 29. This facilitates the operation of inserting the vertical wall portion 62 between the pair of side walls 28 and 29. The vertical wall portion 62 is separated from the pair of side walls 28 and 29 by a slight gap.

  The vertical wall portion 62 protrudes on both sides in the fourth direction D4 with respect to the housing body 61 and is sandwiched between the top wall 26 and the bottom wall 27 of the shell 20. However, in the fourth direction D4, the length of the vertical wall portion 62 is set to be about 0.1 mm smaller than the distance between the top wall 26 and the bottom wall 27. Thereby, the operation of inserting the vertical wall portion 62 between the top wall 26 and the bottom wall 27 is facilitated. The vertical wall portion 62 is always in contact with the top wall 26 and is separated from the bottom wall 27 with a slight gap.

  FIG. 8 is a cross-sectional view taken along a cross section indicated by arrows VIII-VIII in FIG. FIG. 9 is a cross-sectional view taken along a cross section indicated by an arrow IX-IX in FIG. As shown in FIGS. 1 and 8, a protrusion 62 a is formed on an edge of the vertical wall 62 that is adjacent to the bottom wall 27. A plurality of protrusions 62a (two in this embodiment) are provided to be spaced apart in the third direction D3. Each protrusion 62 a is fitted with a notch 27 c formed at the edge of the bottom wall 27. Each protrusion 62a and the corresponding cutout portion 27c are separated from each other by a slight gap of about 0.1 mm in each of the first direction 1 and the third direction D3.

  In addition, as shown in FIGS. 1, 5A, 5B, 7A, 7B, and 9, the vertical wall portion 62 has a notch 62b. ing. The cutout portions 62b are formed in the same number as the number of the accommodation groove portions 68. Each of the plurality of notches 62b is formed to be continuous with the accommodation groove 68, and penetrates the vertical wall 62 in the first direction D1. The beam part 64 is arrange | positioned at the 1st direction D1 side with respect to the vertical wall part 62 which has said structure.

  The beam portion 64 is provided as an elongated portion in the third direction D3. A top surface 64 a as a surface facing the top wall 26 side of the beam portion 64 is in contact with the inner side surface of the top wall 26. That is, the top surface 64 a and the vertical wall portion 62 of the beam portion 64 are always in contact with the inner side surface of the top wall 26.

  A recess 64b is formed on the top surface 64a. A pair of the recesses 64b are arranged apart from each other in the third direction D3. Retaining prevention projections 26d and 26e of the shell 20 are inserted into the pair of recesses 64b, respectively. Accordingly, the housing 23 is restricted from being displaced in the first direction D1 with respect to the shell 20. The first receiving portion 63 is arranged so as to be aligned with the beam portion 64 in the fourth direction D4.

  10 is a cross-sectional view taken along line XX in FIG. As shown in FIG. 1, FIG. 6, FIG. 7A, FIG. 7B, FIG. 9, and FIG. 10, the first receiving portion 63 is on the first direction D1 side with respect to the vertical wall portion 62. Has been placed. The first receiving part 63 is configured to be always received by the surface 4 a of the substrate 4. A plurality of first receiving portions 63 are provided, and five first receiving portions 63 are provided in the present embodiment. The plurality of first receiving portions 63 are arranged at equal intervals in the third direction D3. Each first receiving portion 63 is disposed on the second direction D2 side with respect to the first end portion 47a of the fixing portion 47 of the first contact 21. Each first receiving portion 63 is disposed between the fixing portion 47 and the contact portion 21a in a direction parallel to the first direction D1. Each first receiving portion 63 is formed in a small piece shape. The first receiving portions 63 are alternately arranged with the accommodation groove portions 68 along the third direction D3.

  Each first receiving portion 63 is received by the peripheral portion of the second side portion 4 f of the recess 4 d in the surface 4 a of the substrate 4. The first receiving portions 63 and the fixing portions 47 of the first contacts 21 are alternately arranged in the third direction D3. That is, in the third direction D3, the position of the fixing portion 47 of the first contact 21 and the position of the first receiving portion 63 are set to be different. Accordingly, the fixing portion 47 of the first contact 21 and the first receiving portion 63 do not face each other in a direction parallel to the first direction D1. By providing the first receiving portion 63, the housing 23 is displaced with respect to the shell 20 and the substrate 4 in the direction from the front surface 4a of the substrate 4 to the back surface 4b (one of the fourth directions D4). Is regulated. A pair of rear side walls 65 and 66 are disposed adjacent to the first receiving portion 63.

  The pair of rear side walls 65 and 66 are provided as side walls extending from the vertical wall portion 62 in the first direction D1. The pair of rear side walls 65 and 66 are small piece portions disposed at the pair of end portions of the housing 23 in the third direction D3. The pair of rear side walls 65 and 66 are adjacent to the inner side surfaces of the corresponding side walls 28 and 29 with a slight gap of about 0.1 mm, respectively. The 2nd receiving part 67 is arrange | positioned at the edge part which opposes the rear wall 30 of the shell 20 among a pair of rear side walls 65 and 66. As shown in FIG.

  FIG. 11 is a plan view showing a part of the second connector 14, and shows a peripheral portion of the second receiving portion 67. As shown in FIG. 1, FIG. 7A, FIG. 7B, and FIG. 11, a plurality of (two in this embodiment) second receiving portions 67 are provided apart from each other in the third direction D3. ing. Each of the second receiving portions 67 extends so as to be orthogonal to the first direction D1 and is provided as a portion that always contacts the inner side surface of the rear wall 30 of the shell 20. Each second receiving portion 67 is received by a pair of end portions of the rear wall 30 in the third direction D3. Each second receiving portion 67 is arranged on the first direction D1 side with respect to the fixing portion 47 of the first contact 21. Thereby, the relative displacement of the housing 23 in the first direction D1 with respect to the shell 20 is restricted. Protrusions 71 and 71 are provided on the pair of rear side walls 65 and 66, respectively.

  The pair of projecting portions 71 and 71 respectively extend from the corresponding rear side walls 65 and 66 toward the corresponding second cutout portions 37 and 37 of the shell 20. Each of the pair of projecting portions 71 and 71 is formed in a small piece shape that is elongated along the first direction D1. Each protrusion 71, 71 is fitted in the corresponding second cutout 37, 37. Of the protrusions 71, 71, the end in the second direction 2 is always in contact with the corresponding second notch 73. Thereby, the relative displacement of the housing 23 in the second direction D2 with respect to the shell 20 is restricted.

  As shown in FIGS. 1, 7A, 7B, and 10, the portions of the pair of rear side walls 65, 66 that face the surface 4a of the substrate 4 are respectively third receiving portions. 73. The third receiving portion 73 is provided as a portion that receives the surface 4 a of the substrate 4 in cooperation with the first receiving portion 63. The pair of third receiving portions 73 and 73 are formed in small pieces protruding from the corresponding rear side walls 65 and 66 toward the substrate 4, respectively, and are always in contact with the surface 4 a of the substrate 4. A pair of 3rd receiving parts 73 and 73 are spaced apart and arranged in the 3rd direction D3.

  In the direction parallel to the first direction D1, the third receiving portion 73 and the first receiving portion 63 are spaced apart. When viewed along the third direction D3, the fixing portion 47 of the first contact 21 is disposed between the third receiving portion 73 and the first receiving portion 63.

  With the above configuration, the relative movement of the housing 23 in the fourth direction D4 with respect to the substrate 4 is restricted by the constant contact with the surface 4a of the substrate 4 and the constant contact with the top wall 26. Further, relative displacement of the housing 23 in the first direction D <b> 1 and the second direction D <b> 2 with respect to the substrate 4 is restricted by contact with the second notch 37 and regular contact with the rear wall 30. On the other hand, the housing 23 forms a slight gap between the pair of side walls 28, 29, so that the housing 23 can be easily inserted into the shell 20. Further, the housing 23 is disposed with a gap from the bottom wall 27. Thereby, the operation | work at the time of inserting the housing 23 between the top wall 26 and the bottom wall 27 is made easy. The above is the schematic configuration of the electrical connection apparatus 1.

[Removal operation of the first connector with respect to the second connector]
[Regular attachment / detachment]
Next, the main points in the attaching / detaching operation of the first connector 13 with respect to the second connector 14 will be described. FIG. 12A is a side view showing a state where the second connector 14 and the first connector 13 are separated. FIG. 12B is a side view showing a state in which the second connector 14 and the first connector 13 are connected, and a part thereof is shown in cross section.

  Referring to FIGS. 12A and 12B, when connecting the first connector 13 to the second connector 14, the first connector 13 and the second connector 14 are parallel to the first direction D1. Face each other. From this state, the operator displaces the first connector 13 with respect to the second connector 14 in the first direction D1. That is, the first connector 13 is displaced in a direction parallel to the surface 4 a of the substrate 4 with respect to the second connector 14. Thereby, a part of the shell 15 of the first connector 13 is inserted into the insertion space 24. Accordingly, the first contact 18 and the second contact 19 of the first connector 13 are in contact with the first contact 21 and the second contact 22 of the second connector 14, respectively. That is, the connection between the first connector 13 and the second connector 14 is achieved.

  By this insertion, a force F <b> 1 directed in the first direction D <b> 1 is applied from the first connector 13 to the housing 23 of the second connector 14. The force F1 is transmitted from the second receiving portion 67 of the housing 23 to the rear wall 30 of the shell 20 and is received by the shell 20 and the substrate 4. Accordingly, the housing 23 and the contacts 21 and 22 are restricted from displacement in the first direction D1 with respect to the shell 20 and the substrate 4.

  Next, when pulling out the first connector 13 from the second connector 14, the worker displaces the first connector 13 in the second direction D <b> 2 with respect to the second connector 14. That is, the worker displaces the first connector 13 in the direction parallel to the surface 4 a of the substrate 4 with respect to the second connector 14. Thereby, the first connector 13 is pulled out from the second connector 14. At this time, a force F <b> 2 directed in the second direction D <b> 2 acts on the housing 23 from the first connector 13.

  However, the pair of protrusions 71 and 71 of the housing 23 of the first connector 13 are received by the second cutouts 37 of the side walls 28 and 29 of the shell 20. Accordingly, the housing 23 is restricted from being displaced in the second direction D2 with respect to the shell 20 and the substrate 4. Accordingly, the housing 23 and the contacts 21 and 22 are restricted from being displaced in the second direction D2 with respect to the shell 20 and the substrate.

[Attachment / detachment operations other than regular attachment / detachment operations (first mode)]
As described above, the first connector 13 is originally connected to the second connector 14 by being displaced straight along the first direction D1. However, when the connection work is performed manually, the worker turns the first connector 13 obliquely with respect to the second connector 14, for example, with respect to the first direction D <b> 1 (surface 4 a of the substrate 4). There is a case of displacement in the direction (direction H1 or direction H2). In this case, the housing 23 of the second connector 14 receives from the first connector 13 a force F3 about the axis L1 that is orthogonal to the first direction D1 and parallel to the surface 4a of the substrate 4. However, since the first receiving portion 63 and the second receiving portion 67 are provided, the force F3 is received by the first receiving portion 63 and the second receiving portion 67. Therefore, the displacement of the housing 23 with respect to the shell 20 and the substrate 4 is suppressed.

  The first connector 13 is originally removed from the first connector 13 by being displaced straight along the second direction D2. However, when the removal work is performed manually, the operator displaces the first connector 13 in a direction (direction H3 or direction H4) that is inclined with respect to the second direction D2 (surface 4a of the substrate 4). By doing so, the first connector 13 may be detached from the second connector 14. Also in this case, the housing 23 of the first connector 13 receives from the first connector 13 the force F4 about the axis L1 that is orthogonal to the first direction D1 and parallel to the surface 4a of the substrate 4 as in the case described above. It becomes. However, the force F4 is received by the first receiving portion 63 and the second receiving portion 67. Therefore, the displacement of the housing 23 with respect to the shell 20 and the substrate 4 is suppressed.

[Attachment / detachment operation other than regular attachment / detachment operation (second mode)]
As described above, the first connector 13 is originally connected to the second connector 14 by being displaced straight in the first direction D1. However, when the connection work is performed manually, the operator can sway the first connector 13 in the third direction D3 with respect to the second connector 14 as shown in the plan view of FIG. There is a case where it is displaced in the direction D1. This is because the resistance force when the elastic pieces 26a, 26b, 26c of the second connector 14 and the shell 15 of the first connector 13 are coupled is large. In this case, the second connector 14 receives a force F4 around the axis L2 orthogonal to the substrate 4 from the first connector 13. However, the plurality of second receiving portions 67 that are spaced apart in the third direction D <b> 3 are received by the rear wall 30 of the shell 20. For this reason, even when the force F4 around the axis L2 is applied to the housing 23, the displacement of the housing 23 relative to the shell 20 is restricted.

  Further, as described above, the first connector 13 is originally removed from the second connector 14 by being displaced straight along the second direction D2. However, the elastic pieces 26a, 26b, 26c and the like of the second connector 14 are coupled to the shell 15 of the first connector 13, and a large force is required for removal. For this reason, when the removal work is performed manually, the operator may try to pull out the first connector 13 while shaking the first connector 13 in the third direction D3 with respect to the second connector 14. In this case, the housing 23 receives from the first connector 13 a force F5 (oscillation force) about the axis L2 orthogonal to the substrate 4. However, two second receiving portions 67 and 67 that are spaced apart in the third direction D <b> 3 are received by the rear wall 30 of the shell 20. For this reason, even when this swinging force F5 acts on the housing 23, the displacement of the housing 23 relative to the shell 20 is restricted.

  As described above, according to the electrical connection device 1, the housing 23 of the second connector 14 can be reliably prevented from being displaced with respect to the substrate 4. Thereby, the displacement of the first contact 21 supported by the housing 23 with respect to the substrate 4 is also suppressed. As a result, it is possible to suppress the occurrence of high stress around the fixing portion 47 of the first contact 21 due to the displacement of the first contact 21. Thereby, damage to the first contact 21 and damage to the solder member 49 can be suppressed. Therefore, even when the attaching / detaching operation between the connectors 13 and 14 is repeated many times, it is possible to provide the second connector 14 that can more reliably suppress the damage of the first contact 21 and the solder member 49.

  More specifically, when attaching / detaching the first connector 13 and the second connector 14, the housing 23 of the second connector 14 rotates about an axis L <b> 1 orthogonal to the first direction D <b> 1 and parallel to the surface 4 a of the substrate 4. The forces F3 and F4 may be received from the first connector 13. However, since the first receiving portion 63 and the second receiving portion 67 are provided, the forces F3 and F4 are received by the first receiving portion 63 and the second receiving portion 67. Therefore, the housing 23 can be suppressed from being displaced with respect to the shell 20 and the substrate 4. Thereby, since it can suppress that a load acts on the 1st contact 21 currently hold | maintained at the housing 23, it can suppress that a high stress generate | occur | produces around the fixing | fixed part 47 of the 1st contact 21. FIG. Therefore, even when the connection work between the connectors 13 and 14 and the removal work are repeated many times, damage to the first contact 21 and damage to the solder member 49 can be more reliably suppressed.

  Further, according to the electrical connection device 1, in the third direction D3, the position of the fixing portion 47 of the first contact 21 and the position of the first receiving portion 63 are set to be different. With such a configuration, it is possible to prevent the solder member 49 for fixing the fixing portion 47 to the substrate 4 from coming into contact with the first receiving portion 63. As a result of suppressing the solder member 49 from contacting the first receiving part 63, the first receiving part 63 can be reliably brought into contact with the substrate 4. Therefore, the damage preventing effect of the first contact 21 and the solder member 49 due to the provision of the first receiving portion 63 can be more reliably exhibited.

  Moreover, according to the electrical connection apparatus 1, the 2nd receiving part 67 of the 2nd connector 14 is provided with two or more spaced apart in the 3rd direction D3. Thereby, it can suppress more reliably that the housing 23 is displaced with respect to the board | substrate 4. FIG. Specifically, when the first connector 13 and the second connector 14 are attached and detached, the forces F4 and F5 around the axis L2 orthogonal to the substrate 4 from the second connector 14 are applied to the housing 23 of the second connector 14. May work. However, a plurality of second receiving portions 67 that are spaced apart in the third direction D3 are received by the shell 20. For this reason, even when the above forces F4 and F5 are applied to the housing 23, the displacement of the housing 23 relative to the shell 20 can be regulated. Therefore, since it can suppress that a load acts on the 1st contact 21 currently supported by the housing 23, it can suppress that a high stress arises around the fixing | fixed part 47 of the 1st contact 21. FIG. Therefore, even when the connection work between the connectors 13 and 14 and the removal work are repeated many times, damage around the fixing portion 47 of the first contact 21 can be more reliably suppressed.

  Further, according to the electrical connection device 1, the second receiving portion 67 of the housing 23 in the second connector 14 is disposed on the first direction D1 side with respect to the fixing portion 47 of the first contact 21. If it is such a structure, the 2nd receiving part 67 can be arrange | positioned in the vicinity of the edge part area | region by the side of the 1st direction D1 among the insertion spaces 24 in the shell 20. FIG. Therefore, the 2nd receiving part 67 can be formed in sufficient magnitude | size, without preventing the securing of the space for arrange | positioning the 1st connector 13. FIG.

[Modification]
As mentioned above, although embodiment of this invention was described, this invention is not limited to the above-mentioned embodiment, As long as it described in the claim, various changes are possible. For example, the following modifications may be made.

  (1) In the above-described embodiment, the inner surface of the rear wall 30 of the shell 20 of the second connector 14 has been described as being flat, but this need not be the case. For example, as shown in the plan view of FIG. 14, small protrusions 81, 81 may be provided on the rear wall 30 of the shell 20. The rear wall 30 has a wall body 80 formed in a flat plate shape, and projecting portions 81 and 81 project from the wall body 80 toward the second receiving portions 67 and 67. The projecting portions 81 and 81 receive the second receiving portions 67 and 67.

  With such a configuration, it is possible to reliably define the portion of the rear wall 30 of the shell 20 that receives the second receiving portion 67. Therefore, the effect of regulating the displacement of the housing 23 relative to the shell 20 can be exhibited as designed by the second receiving portions 67 and 67. Further, a gap 82 is formed between the wall body 80 of the shell 20 and the projecting portions 81, 81. Therefore, even when the dimensional accuracy around the wall main body 80 and the second receiving portion 67 is lowered, unnecessary contact between the housing 23 and the shell 20 can be suppressed by the presence of the gap 82. Therefore, the manufacturing operation of the second connector 14 can be performed more easily.

  (2) In the above-described embodiment, the first receiving portion 63 of the housing 23 has been described as an example in which the first receiving portion 63 is disposed on the second direction D2 side with respect to the fixing portion 47 of the first contact 21. However, this need not be the case. For example, as shown in the cross-sectional view of FIG. 15, the first receiving portion 63 of the housing 23 has the same position as the first end portion 47a of the fixing portion 47 in the first contact 21 in the second direction D2, and the first You may arrange | position in the position of the 2nd direction D2 side with respect to the edge part 47a.

  (3) In the above-described embodiment, in the third direction D3, the position of the fixing portion 47 of the first contact 21 and the position of the first receiving portion 63 of the housing 23 are set differently. Was described as an example. However, this need not be the case. For example, the fixing portion 47 and the first receiving portion 63 may be linearly arranged along the first direction D1.

  (4) In the above-described embodiment, the housing 23 of the second connector 14 has been described with an example in which a plurality of the first receiving portions 63 and the second receiving portions 67 are provided. It may not be the street. For example, the 1st receiving part 63 may be provided only in one place. Moreover, the 2nd receiving part 67 may be provided only in one place.

  (5) In the above-described embodiment, the second connector 14 has been described with an example in which both the first receiving portion 63 and the second receiving portion 67 are provided. However, this need not be the case. . For example, either the first receiving part 63 or the second receiving part 67 may be omitted.

  (6) Moreover, in the above-mentioned embodiment, the 2nd connector 14 has the form which is a DIP (Dual Inline Package, insertion mounting) type which has the contacts 21 and 22 inserted in the through holes 11 and 12 of the board | substrate 4. FIG. Although described in the example, this need not be the case. For example, the second connector 14 may be of a surface mount (SMT, Surface Mount Technology) type that is mounted on the surface 4 a of the substrate 4.

  (7) In the above-described embodiment, the shell 20 of the second connector 14 has been described as an example of being fitted into the concave portion 4d of the substrate 4, but this need not be the case. For example, the shell 20 of the second connector 14 may be disposed on the surface 4 a of the substrate 4.

  (8) In the above-described embodiment, the present invention has been described by taking an example in which the present invention is applied to a USB connector. However, this need not be the case. For example, the present invention can be applied to other types of connectors such as an HDMI (High Definition Multimedia Interface) connector as the first connector and the second connector.

  The present invention can be widely applied as an electrical connector mounted on a substrate such as a rigid substrate.

4 Substrate 4a Substrate surface 13 First connector (mating connector)
14 Second connector (electrical connector)
18 First contact (contact of mating connector)
20 Shell 21a Contact portion 21 First contact (contact)
23 housing 25 opening 47 fixing part 47a first end 47b second end 63 first receiving part 67 second receiving part D1 first direction D2 second direction

Claims (5)

An electrical connector configured to be mounted on a substrate and having a mating connector detachable,
A shell configured to have an opening into which the mating connector displaced in a predetermined first direction as a direction parallel to the surface of the substrate can be inserted, and to be fixed to the substrate;
A housing formed of an insulating material and supported by the shell;
A contact formed of a conductive material and supported by the housing;
With
The contact is disposed to be fixed to the substrate so as to be electrically connectable to the substrate, and to be spaced apart from the fixed portion in a second direction opposite to the first direction, and A contact portion that can contact the contact of the mating connector,
The fixed portion has a first end portion as an end portion on the first direction side and a second end portion as an end portion on the second direction side,
The housing includes at least one of a first receiving portion and a second receiving portion,
The housing includes a first receiver;
The first receiving portion is disposed in at least one of the same position as the position of the first end portion in the second direction and a position on the second direction side with respect to the position of the first end portion. And is configured to be received by the surface of the substrate,
The second receiving portion is received by the shell so as to be restricted from being displaced toward the first direction with respect to the shell ;
The housing further includes a vertical wall portion disposed in the shell and extending in a direction perpendicular to the surface of the substrate and surrounded by the shell,
In the orthogonal direction, the first receiving portion is disposed in the middle of the vertical wall portion,
The electrical connector according to claim 1, wherein the shell has a top wall portion arranged on the surface side of the substrate and configured to receive the vertical wall portion . The electrical connector according to claim 1,
A third direction is defined as a direction orthogonal to the second direction and parallel to the surface of the substrate;
In the third direction, the position of the fixed portion and the position of the first receiving portion are set to be different from each other. The electrical connector according to claim 1 or 2,
A third direction is defined as a direction orthogonal to the second direction and parallel to the surface of the substrate;
The electrical connector according to claim 1, wherein a plurality of the second receiving portions are provided apart from each other in the third direction. The electrical connector according to any one of claims 1 to 3,
The shell has a wall body formed in a flat plate shape, and a projecting part that projects from the wall body toward the second receiving part and receives the second receiving part, Electrical connector. The electrical connector according to any one of claims 1 to 4,
The electrical connector according to claim 1, wherein the second receiving portion is disposed on the first direction side with respect to the fixed portion.

Images