JP2017208165A - Plug connector and connector assembly having the same and receptacle connector - Google Patents

Abstract

An object of the present invention is to provide a plug connector capable of shielding a connector assembly and a connector assembly having the plug connector and a receptacle connector. A plug shield member (30) for shielding a plug terminal (23) is held by a plug housing (21), and the plug shield member (30) is a pair of side plates extending in the longitudinal direction of the plug housing at a position spaced from the plug housing (21). A receiving space 39 for receiving the side wall of the receptacle housing is formed between each side plate portion and the plug housing, and each side plate portion 31 has at least one of the corresponding plug terminals 23 when viewed in the short direction. The side plate portion 31 covers a part, has a bent cross section having two leg portions 33 and 34, and the two leg portions are separated or in contact with each other in the short direction to form a double structure. ing. [Selection] Figure 1

Description

  The present invention relates to a plug connector and a connector assembly having the same and a receptacle connector.

  The plug connector and the receptacle connector are respectively attached to the corresponding circuit boards, and the plug connector and the receptacle connector are fitted and connected to each other so that both circuit boards are electrically connected to each other. An assembly of a receptacle connector is disclosed in Patent Document 1, for example.

  The connector assembly of Patent Document 1 is provided with a shield member (shell) covering the entire connector assembly on the receptacle connector side. In Patent Document 1, the plug connector has a terminal (contact) in which a U-shaped portion is held by each of two parallel side walls (fitting protrusions) provided in a housing (insulator). The leg portions of the character-shaped part form contact portions, while the receptacle connector has a recess (deformation) between the central projection of the housing of the receptacle connector and each of both side walls (front wall and rear wall). The inner end side of the terminal formed by the inverted U-shaped portion on each of both side walls forms a U-shaped contact portion. The two side walls of the receptacle connector and the terminals held by them are symmetrical in the opposing direction of the side walls, and the terminals are arranged in double rows. Under the fitting connection of both connectors, the U-shaped portion of the terminal of the plug connector held by the side wall is fitted into the U-shaped contact portion of the terminal of the receptacle connector. In such a fitting connection state, the inverted U-shaped portion of the receptacle connector is located outside the plug connector in the connector width direction. Therefore, in Patent Document 1, a shield member is provided in the receptacle connector so that the plug connector and the receptacle connector are shielded as a whole including the plug connector that does not have the shield member.

  In both the plug connector and the receptacle connector, since a part of the terminal is located on the outer surface of each side wall of the housing, the shield member cannot be attached in contact with the outer surface of the side wall. Therefore, in Patent Document 1, the shield member is arranged so as to be parallel to the side wall of the receptacle connector at a position spaced outward from the side wall of the receptacle connector positioned outward from the side wall of the plug connector in the connector width direction. Arranged in the receptacle connector. The shield member is held by the housing of the receptacle connector at both ends in the direction in which the side wall extends.

JP2014-192102A

  However, in the case of a connector assembly composed of a plug connector and a receptacle connector, an embodiment in which the receptacle connector is compatible and the receptacle connector is not provided with a shield member, or an implementation that must be adopted. In the embodiment, since the plug connector does not have a shield member, both connectors, that is, the connector assembly is not shielded at all.

  An object of the present invention is to provide a plug connector that can shield the connector assembly even in such a situation, and a connector assembly that includes the plug connector and the receptacle connector.

  According to the present invention, the above-mentioned problems are solved by constituting the first invention and the second invention with respect to the following plug connector and the third invention with respect to the connector assembly.

<First invention> (Plug connector)
A plug terminal that rises from the bottom wall of the receptacle housing of the receptacle connector and is connected to the receptacle terminal held on each of the pair of side walls extending in the longitudinal direction of the receptacle housing is held by the plug housing extending in the longitudinal direction. In the plug connector to which the receptacle connector is fitted and connected,
A plug shield member that shields the plug terminal is held by the plug housing,
The plug shield member has a pair of side plate portions extending in the longitudinal direction of the plug housing at a position separated from the plug housing, and a receiving space for receiving the side wall of the receptacle housing is formed between each side plate portion and the plug housing. And each side plate part covers at least a part of the corresponding plug terminal when viewed in the short direction,
The side connector has a bent cross section having two legs, and the two legs are separated or in contact with each other in the short direction to form a double connector.

  In the plug connector of the first invention having such a configuration, when the corresponding side wall of the receptacle connector is received in each receiving space formed between each side plate portion of the plug shield member and the plug housing, The side plate portion is positioned outside the wall portion of the receptacle connector in the short direction and shields at least a part of the plug terminal. Conventionally, the plug connector fitted and connected to the receptacle connector has not been shielded. However, the plug connector configuration allows the plug shield member to be provided, and the plugs arranged and held on the two side walls. It is possible to shield the terminals, that is, the double-row plug terminals.

  Further, in the present invention, the side plate portion has a bent cross section having two leg portions, and the two leg portions are separated or in contact with each other in the lateral direction to form a double structure. Therefore, electrical shielding is performed twice, and its function is improved, and mechanically, the strength of the side plate portion is remarkably improved by the bent cross section. In particular, since the side plate portion is longer than the end plate portion, its strength is desired to be improved, but it can sufficiently cope with this.

<Second invention> (Plug connector)
A plug terminal that rises from the bottom wall of the receptacle housing of the receptacle connector and is connected to the receptacle terminal held on each of the pair of side walls extending in the longitudinal direction of the receptacle housing is held by the plug housing extending in the longitudinal direction. In the plug connector to which the receptacle connector is fitted and connected,
A plug shield member that shields the plug terminal is held by the plug housing,
The plug shield member has a pair of side plate portions extending in the longitudinal direction of the plug housing at a position separated from the plug housing, and a receiving space for receiving the side wall of the receptacle housing is formed between each side plate portion and the plug housing. And each side plate part covers at least a part of the corresponding plug terminal when viewed in the short direction,
The plug terminal has a connection part soldered to the circuit board,
In the connector fitting direction, the side plate portion extends over a range overlapping with the connection portion, and at a position corresponding to at least a part of the connection portion when viewed in a short direction perpendicular to the longitudinal direction. A plug connector having a notch formed therein.

  In the plug connector of the second invention having such a configuration, the side plate portion of the plug shield member extends in a range where it overlaps with the connection portion of the plug terminal in the connector fitting direction. Since the cutout portion is formed at a position corresponding to a part of the connection portion, the solder state at the connection portion can be visually confirmed by looking in the short direction. Even with the formation of the notch, the shield member is present in many remaining portions, so that it does not significantly affect the reduction of the shielding effect.

  In the first and second aspects of the invention, the plug shield member has an end plate portion that connects the end portions of the pair of side plate portions, and is formed in a frame shape separated from the plug housing by the side plate portion and the end plate portion. It is preferable that the frame-shaped portion is connected to the plug housing at a part thereof. By adopting the form of a frame-like portion having such an end plate portion, a shield function can be obtained electrically even at the end plate portion, and mechanically, the strength of the plug shield member can be improved.

  In the first and second inventions, it is preferable that the side plate portion also covers at least a part of the receptacle terminal when viewed in the short direction in the connector fitting connection state. By doing so, the plug shield member also shields the receptacle terminal. Even when the receptacle connector itself is not provided with a shield member, it is advantageous to obtain a shield function.

  In the first and second inventions, when the side plate portion is viewed in the short direction, the plug terminal connecting portion to the side wall of the plug housing and the plug connector for connecting the plug connector to the circuit board are connected. It is preferable to cover the part. Since the side plate portion also covers the connection portion of the plug terminal, the shield function in the plug connector is further improved.

  Further, in the first and second inventions, the side plate part has an elastic contact piece that receives the receptacle shield member of the receptacle connector and contacts the receptacle shield member, and the elastic contact piece is formed in the short direction from the side plate part. It is preferable that it is cut and raised in the direction and extends in the longitudinal direction.

  By providing the contact piece in this manner, the plug shield member and the receptacle shield member can be electrically connected to each other. Further, since the contact piece extends in the longitudinal direction, a sufficient amount of elastic displacement of the contact piece can be ensured even with a plug connector having a restriction in height. Furthermore, since the contact piece protrudes inward, inadvertent collision with other external members or the like can be avoided during handling of the connector, and there is no risk of damage.

<Third invention> (Connector assembly)
In the present invention, the connector assembly includes the plug connector according to the first invention described above and a receptacle connector fitted and connected to the plug connector.

  In such a connector assembly, not only the plug connector but also the receptacle connector is shielded by the plug shield member. Accordingly, even if the receptacle connector itself is not provided with a shield member, the receptacle connector is shielded, and when the receptacle connector is provided with a shield member, it is possible to increase the double shield or the shield range. The shield function can be obtained for any receptacle connector regardless of the presence or absence of the shield member.

  In the third invention, it is preferable that the side plate portion of the plug terminal extends over a range overlapping with the receptacle terminal in the connector fitting direction.

  By configuring in this way, the side plate portion of the plug shield member extends in a range where it overlaps with the connection portion of the receptacle terminal in the connector fitting direction, so that the shielding effect at the contact portion of the receptacle terminal can also be obtained.

  As described above, the present invention provides a shield member having a pair of side plate portions spaced apart from each other in the short direction with respect to the plug housing, and receptacle terminals in respective receiving spaces formed between the side plate portions and the plug housing. Since the corresponding side wall of the receptacle housing that holds the connector is received, each side plate portion of the plug connector is positioned outside the receptacle terminal as well as the plug terminal in the connector fitting connection state. The plug connector only has a shield member, and it is possible to shield not only the plug connector itself but also the assembly of the plug connector and the receptacle connector regardless of whether or not the shield connector is provided with the shield member. .

FIG. 1 (A) is a perspective view showing the plug connector of the first embodiment of the present invention and the mating receptacle connector in a state before mating with each other, and FIG. 1 (B) shows the relationship between these plug connector and receptacle connector. It is a perspective view which shows the connector assembly after a fitting. It is a perspective view shown in the posture which turned upside down the plug connector shown in Drawing 1 (A) in the downward posture which serves as a fitting direction. FIG. 2 is an enlarged cross-sectional perspective view of the plug connector and the receptacle connector in FIG. It is an expanded sectional view of the connector assembly about both the connectors of FIG. 5A is a bottom view of the plug connector of FIG. 3A, and FIG. 5B is a plan view of the receptacle connector of FIG. 3B. 6 (A) and 6 (B) correspond to FIGS. 1 (A) and 1 (B), and show the plug shield member, the receptacle shield member and their assemblies for FIGS. 1 (A) and 1 (B). FIGS. 7A and 7B are perspective views showing an enlarged portion of the elastic contact piece of the plug shield member. FIG. 7A is a top view corresponding to FIG. 6A, and FIG. It is the figure seen from. FIG. 4 is a side view of FIG. 3. 1 is a cross-sectional view at the terminal position before the connector is fitted. 1 is a cross-sectional view at the terminal position after the connector is fitted. FIG. 11A is a perspective view showing the plug connector and the mating receptacle connector of the second embodiment of the present invention in a state before mating with each other, and FIG. 11B is a view of these plug connector and receptacle connector. It is a perspective view which shows the connector assembly after a fitting.

  Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

<First embodiment>
FIG. 1 (A) is a perspective view showing the plug connector of the present embodiment and a receptacle connector as a mating member in a state before mating, and FIG. 1 (B) is a diagram after the plug connector and the receptacle connector are mated. FIG. 2 is a perspective view showing the connector assembly, FIG. 2 is a perspective view showing the plug connector shown in FIG. 4 is an enlarged cross-sectional perspective view of the plug connector and the receptacle connector in A), FIG. 4 is an enlarged cross-sectional view of the connector assembly for both connectors of FIG. 3, and FIG. 5 (A) is the plug connector of FIG. 5 (B) is a plan view of the receptacle connector of FIG. 3 (B), and FIGS. 6 (A) and 6 (B) correspond to FIGS. 1 (A) and 1 (B). Plug shield member and receptacle for A) and (B) FIGS. 7A and 7B are perspective views showing an enlarged portion of the elastic contact piece of the plug shield member, and FIG. 7A corresponds to FIG. 6A. FIG. 8B is a view seen from below, FIG. 8 is a side view of FIG. 3, and FIG. 9 is a cross-sectional view of the terminal position before fitting of FIG. 10 is a cross-sectional view at the terminal position after fitting.

  1A to 4 and FIG. 5A, the plug connector 10 surrounds the plug connector main body 20 with respect to the plug connector main body 20 that holds the plug terminals 11 by the plug housing 21. The plug shield member 30 is supported by.

  The plug connector body 20 has a plurality of signal terminals 23 arranged in the longitudinal direction on each of two side walls 22 (see FIG. 2) extending in the longitudinal direction of the plug housing 21, and both ends adjacent to the arrangement range of the signal terminals 23. A power supply terminal 24 is disposed at the position. The signal terminal 23 and the power supply terminal 24 (hereinafter also referred to as plug terminals 23 and 24) are contact portions (contact portion 23A of the signal terminal 23 and contact portion 24A of the power supply terminal 24 (see FIG. 9)) that contact the receptacle terminal and a circuit. It has a connection part (a connection part 23B of the signal terminal 23 and a connection part 24B of the power supply terminal 24 (see FIG. 9)) to be soldered to the substrate, and is held by the plug housing 21 by integral molding. Since these plug terminals 23 and 24 are not a feature of the present invention, further explanation is omitted.

  The plug housing 21 of the plug connector main body 20 extends straight in the longitudinal direction, which is the arrangement direction of the plug terminals 23, 24, but is provided with a connecting arm 25 extending in a T shape at both ends in the longitudinal direction. It has been.

  The plug shield member 30 is made by processing a metal plate. As shown in FIGS. 1 to 4 and FIG. 5A, the plug shield member 30 is spaced around the plug connector body 20, and the connection Except for the arm 25, the connection arm 25 is positioned away from the plug connector main body 20, and the connection arm 25 is held by the end plate portion 32 of the plug shield member 30, and the connection arm 25 and the plug connector main body 20 are separated from each other. Are connected by the above-described integral molding.

  As shown in FIG. 6A, the plug shield member 30 includes a pair of side plate portions 31 extending in the longitudinal direction and a pair of the side plate portions 31 in a short direction (connector width direction) perpendicular to the longitudinal direction. It has the end-plate part 32 which connects the side-plate parts 31 with those edge parts, and has comprised the square frame shape as a whole.

  When the side plate portion 31 is cut in a plane perpendicular to the longitudinal direction, the side plate portion 31 has a substantially U-shaped cross section as shown in FIGS. A leg 33 and an outer leg 34 are provided.

  Both the inner leg portion 33 and the outer leg portion 34 extend in the connector fitting direction to the range of the connecting portions of the plug terminals 23 and 24 of the plug connector 10, and when viewed in the connector width direction, 24 is covered.

  As shown in FIGS. 3 to 6 and 7, the inner leg portion 33 located near the plug connector main body 20 has elastic contact pieces 35 extending in the longitudinal direction at a plurality of positions in the longitudinal direction. Have. The elastic contact piece 35 is made by partially cutting and raising the inner leg portion 33, tapering toward the tip of the elastic contact piece 35, and inclining inward in the connector width direction. Thus, it comes into contact with the receptacle shield member, which is the counterpart, with elasticity. As can be seen from FIG. 6, in this embodiment, the directions of the tips of the elastic contact pieces 35 are opposite to each other between the two rows of elastic contact pieces 35. The outer leg portion 34 has a flat surface, but at a position corresponding to a part of the number of the signal terminals 23 at a pitch that is an integral multiple of the arrangement pitch of the signal terminals 23. A concave edge 36 is formed. Furthermore, a concave edge portion 35 </ b> A is formed on the base side of the elastic contact piece 35 at a position corresponding to the concave edge portion 36. Further, since the elastic contact piece 35 is tapered, a gap is generated between the elastic contact piece 35 and the substrate. The concave edges 36 and 35A are connected to the circuit board so that when the plug connector 10 is solder-connected to the circuit board, the solder connection status at the connection parts 23B and 24B of the plug terminals 23 and 24 can be visually confirmed from the side. A gap is formed between them (see FIGS. 8 and 9). In the present embodiment, some of the connection portions cannot be visually confirmed, but all of the connection portions may be visually confirmed.

  The end plate portion 32 has a substantially U-shaped cross section like the side plate portion 31 as shown in FIG. And an outer leg portion 38. The outer leg portion 38 is formed with a piece-like portion 38A at the center position in the connector width direction, and the end portion of the piece-like portion 38A is soldered to the circuit board. Further, attachment pieces 38B are formed on both sides of the piece-like portion 38A, and are held in the plug housing 21 by being press-fitted into the corresponding grooves of the connecting portion 25 of the plug housing 21. The inner leg portion 37 is formed with a notch portion 37 </ b> B at the center and is located so as to straddle the plug housing 21. Convex portions 37A are formed at both ends of the cutout portion 37B, and the end portions of the convex portions 37A are used for soldering, and together with the outer leg portions 38, supplement each other with a shielding function against the outside.

  The plug shield member 30 having the side plate portion 31 and the end plate portion 32 and having a rectangular frame shape is spaced from the plug connector body 20 by forming a space around the plug connector body 20. Come to be located. The circumferential spacing formed at this spaced apart position forms a receiving space 39 for receiving the side wall of the receptacle housing.

  The plug connector main body 20 of the plug connector 10 is formed with a central recess 22A extending in the longitudinal direction along the side wall 22 between the pair of side walls 22 as seen in FIG. The central recess 22A receives a central protruding wall portion of a receptacle connector 60 described later.

  Next, the receptacle connector 60 is configured by attaching a receptacle shield member 70 to a receptacle housing 61 that holds a signal terminal 65 and a power supply terminal 66.

  As shown in FIGS. 1 and 3 to 6, the receptacle connector 60 includes a pair of side walls 62 that extend in the longitudinal direction so as to face each other, and an end wall 63 that connects both side walls 62 at their ends. A receptacle housing 61 having a frame-like peripheral wall and further having a central protrusion 64 parallel to the side wall 62 is formed inward of the peripheral wall. The central protrusion 64 and the side wall 62 are provided with U-shaped contact portions 65A and 66A extending from the central protrusion 64 to the side wall 62 through the housing bottom wall and connection portions 65B and 66B connected to the circuit board by soldering. A signal terminal 65 and a power supply terminal 66 (hereinafter referred to as “receptacle terminals 65 and 66”) respectively held by the receptacle housing 61 are integrally molded (see FIGS. 4 and 9). Since the receptacle terminals 65 and 66 themselves are not a feature of the present invention, further explanation is omitted.

  Similarly to the plug connector 10, the receptacle shield 60 is also attached to the receptacle housing 61 in the receptacle connector 60. The receptacle shield member 70 has a pair of side plate portions 71 extending in the longitudinal direction and an end plate portion 72 that connects the side plate portions 71 at their ends, and has a rectangular frame shape as a whole.

  As shown in FIG. 3, the side plate 71 has a curved cross section along both the side and upper surfaces of the side wall 62 of the receptacle housing 61 and extends in the longitudinal direction. A concave portion 71B is formed in the lower edge of the side surface of the side plate portion 71 in a range including positions corresponding to the receptacle terminals 65 and 66, and when the receptacle connector 60 is solder-connected to the circuit board, the receptacle terminal The solder connection state at the connection portions 65B and 66B of 65 and 66 can be visually confirmed from the side through the concave portion 71B (see FIGS. 8 and 9). A plurality of protrusions 73 projecting in the short direction are provided on the upper surface of the side plate 71, and a notch 73A is formed between the protrusions, so that the receptacle connector 60 is solder-connected to the circuit board. The solder connection state can be visually confirmed from above through the notch 73A. In addition, since the plurality of protrusions 73 are provided, the strength is improved against a load applied from the outside. In the present embodiment, all the connection portions can be visually confirmed, but some of the connection portions may not be visually confirmed.

  The end plate portion 72 is formed so as to cover a part of the upper surface of the end wall 63 and a part of the inner and outer surfaces of the receptacle housing 61, and two attachment pieces 72A (see FIG. 6 (A)), and two protrusions 72B-1 are provided on the lower edge of the outer leg portion 72B forming the outer wall on the outer surface. The attachment piece 72 </ b> A is held in the receptacle housing 61 by being press-fitted into the corresponding groove of the receptacle housing 61. When the cross section is taken at the position of the mounting piece 72A in the short direction, the outer leg portion 72B is provided at a position corresponding to the mounting piece 72A so as to form a substantially U-shaped cross section. The outer leg 72B is formed with the protrusion 72B-1 at the end position in the connector width direction, and the end of the one part is soldered to the circuit board.

  Next, how to use the plug connector 10 and the receptacle connector 60 in such a state will be described.

  First, the plug connector 10 and the receptacle connector 60 are solder-connected to corresponding circuit boards (not shown) at the connection portions 23B, 24B; 65B, 66B of those terminals. The solder connection state can be visually confirmed from the side through the concave edge portion 36 of the plug shield member 30 in the plug connector 10 and from the side through the concave portion 71B of the receptacle shield member 70 in the receptacle connector 60. It can be visually confirmed from above through the notch 73A of the receptacle shield member 70 (see FIGS. 8 and 9). 8 is a cross section taken along a plane parallel to the longitudinal direction of the plug connector 10 and the receptacle connector 60. Since the end 21A of the plug connector housing 21 has a convex shape and the end 61A of the receptacle connector housing 61 has a concave shape, they can be fitted together.

  Next, after the plug connector 10 connected to the circuit board is brought to a position above the receptacle connector 60 connected to another circuit board as shown in FIG. 9, the plug connector 10 is lowered, and FIG. It is made to fit in the receptacle connector 60 as follows. In the plug connector 10, the side wall 22 of the plug housing 21 holding the plug terminals 23 and 24 enters a space between the central protrusion 64 and the side wall 62 of the receptacle connector 60, and the plug terminals 23 and 24 come into contact with each other. The portions 23A and 24A come into contact with the contact portions 65A and 66A of the receptacle terminals 65 and 66 to be electrically conductive. On the other hand, the side wall 62 of the receptacle connector 60 holding the receptacle terminals 65 and 66 and the side plate portion 71 of the shield member 70 enter the receiving space 39 between the plug connector body 20 and the plug shield member 30 of the plug connector 10. To do. Furthermore, the end wall 63 and the end plate portion 72 of the receptacle connector 60 also enter the receiving space 39 of the plug connector 10. As shown in FIG. 10, the plug shield member 30 comes into contact with the receptacle shield member 70 by the plurality of elastic contact pieces 35 by this approach, and becomes electrically conductive. In the present embodiment, the inner leg portion 37 of the end plate portion 32 of the plug shield member 30 and the outer leg portion 72B of the receptacle shield member 70 are not in contact (see FIG. 3), but an elastic contact piece is provided on either one of them. They may be in contact with each other by being formed.

  In such a fitting state of the plug connector 10 and the receptacle connector 60, the plug shield member 30 having the inner leg portion 33 and the outer leg portion 34 and having a double structure is seen in the connector width direction or the longitudinal direction. In this case, not only the plug terminals 23 and 24 of the plug connector 10 but also the receptacle terminals 65 and 66 are covered, and the connector terminals of both the plug connector 10 and the receptacle connector 60 are connected only by the plug shield member 30. It will be shielded. Although the shield plate of the plug according to the present embodiment is double, it may be single as long as it is formed over a range overlapping with the connection portion of the plug terminal and sufficiently shielded.

<Second embodiment>
In the second embodiment, the connecting arm 25 extending in a T shape at both ends in the longitudinal direction of the plug housing 21 of the plug connector body 20 is held by the end plate portion 32 of the plug shield member 30. Not limited to this, it can be held by the side plate portion 31 as shown in FIG. In FIG. 11, the same reference numerals are given to the common portion positions as in the previous embodiment, and the description thereof is omitted. In another embodiment shown in FIG. 11, the connecting portion 25 is not held by the end plate portion 32 but is held by the end portions of the pair of side plate portions 31 extending in the longitudinal direction. At this time, groove portions 71 </ b> C corresponding to the connecting arms 25 are formed at both ends of the pair of side walls 62 provided in the receptacle connector 60 and extending in the longitudinal direction and the pair of shield members 70. Therefore, both can be fitted.

10 Plug connector 33 Leg (inner leg)
21 Plug housing 34 Leg (outer leg)
23 Plug terminal (signal terminal) 35 Elastic contact piece 23B Connection portion 60 Receptacle connector 30 Plug shield member 61 Receptacle housing 31 Side plate portion 62 Side wall 32 End plate portion 65 Receptacle terminal (signal terminal)

Claims (8)

A plug terminal that rises from the bottom wall of the receptacle housing of the receptacle connector and is connected to the receptacle terminal held on each of the pair of side walls extending in the longitudinal direction of the receptacle housing is held by the plug housing extending in the longitudinal direction. In the plug connector to which the receptacle connector is fitted and connected,
A plug shield member that shields the plug terminal is held by the plug housing,
The plug shield member has a pair of side plate portions extending in the longitudinal direction of the plug housing at a position separated from the plug housing, and a receiving space for receiving the side wall of the receptacle housing is formed between each side plate portion and the plug housing. And each side plate part covers at least a part of the corresponding plug terminal when viewed in the short direction,
The side connector has a bent cross section having two legs, and the two legs are separated or in contact with each other in the short direction to form a double connector. A plug terminal that rises from the bottom wall of the receptacle housing of the receptacle connector and is connected to the receptacle terminal held on each of the pair of side walls extending in the longitudinal direction of the receptacle housing is held by the plug housing extending in the longitudinal direction. In the plug connector to which the receptacle connector is fitted and connected,
A plug shield member that shields the plug terminal is held by the plug housing,
The plug shield member has a pair of side plate portions extending in the longitudinal direction of the plug housing at a position separated from the plug housing, and a receiving space for receiving the side wall of the receptacle housing is formed between each side plate portion and the plug housing. And each side plate part covers at least a part of the corresponding plug terminal when viewed in the short direction,
The plug terminal has a connection part soldered to the circuit board,
In the connector fitting direction, the side plate portion extends over a range overlapping with the connection portion, and at a position corresponding to at least a part of the connection portion when viewed in a short direction perpendicular to the longitudinal direction. A plug connector having a notch formed therein.   The plug shield member has an end plate portion that connects the ends of the pair of side plate portions, and has a frame-like portion formed by separating the side plate portion and the end plate portion from the plug housing. The plug connector according to claim 1 or 2, wherein the portion is partly connected to the plug housing.   4. The plug connector according to claim 1, wherein the side plate portion covers at least a part of the receptacle terminal when viewed in the short direction in the connector fitting connection state. 5.   The side plate portion, when viewed in the short direction, covers a plug terminal mounting portion on the side wall of the plug housing and a plug terminal connection portion for connecting the plug connector to the circuit board. The plug connector according to any one of claims 1 to 4.   The side plate portion has an elastic contact piece that receives the receptacle shield member of the receptacle connector and comes into contact with the receptacle shield member, and the elastic contact piece is cut and raised inward from the side plate portion in the short direction and protrudes in the longitudinal direction. The plug connector according to claim 1, wherein the plug connector extends in the direction.   A connector assembly comprising: the plug connector according to claim 1; and a receptacle connector fitted and connected to the plug connector.   The connector assembly according to claim 7, wherein the side plate portion of the plug terminal extends to a range overlapping with the receptacle terminal in the connector fitting direction.

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